mbed library sources, include can_api for nucleo-f091rc
Dependents: CanNucleoF0_example
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_i2c.c@645:13c87cbecd54, 2016-01-07 (annotated)
- Committer:
- ptpaterson
- Date:
- Thu Jan 07 05:49:05 2016 +0000
- Revision:
- 645:13c87cbecd54
- Parent:
- 610:813dcc80987e
corrected freeze on CAN_RECEIVE_IT
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 573:ad23fe03a082 | 1 | /** |
mbed_official | 573:ad23fe03a082 | 2 | ****************************************************************************** |
mbed_official | 573:ad23fe03a082 | 3 | * @file stm32f7xx_hal_i2c.c |
mbed_official | 573:ad23fe03a082 | 4 | * @author MCD Application Team |
mbed_official | 610:813dcc80987e | 5 | * @version V1.0.1 |
mbed_official | 610:813dcc80987e | 6 | * @date 25-June-2015 |
mbed_official | 573:ad23fe03a082 | 7 | * @brief I2C HAL module driver. |
mbed_official | 573:ad23fe03a082 | 8 | * This file provides firmware functions to manage the following |
mbed_official | 573:ad23fe03a082 | 9 | * functionalities of the Inter Integrated Circuit (I2C) peripheral: |
mbed_official | 573:ad23fe03a082 | 10 | * + Initialization and de-initialization functions |
mbed_official | 573:ad23fe03a082 | 11 | * + IO operation functions |
mbed_official | 573:ad23fe03a082 | 12 | * + Peripheral State and Errors functions |
mbed_official | 573:ad23fe03a082 | 13 | * |
mbed_official | 573:ad23fe03a082 | 14 | @verbatim |
mbed_official | 573:ad23fe03a082 | 15 | ============================================================================== |
mbed_official | 573:ad23fe03a082 | 16 | ##### How to use this driver ##### |
mbed_official | 573:ad23fe03a082 | 17 | ============================================================================== |
mbed_official | 573:ad23fe03a082 | 18 | [..] |
mbed_official | 573:ad23fe03a082 | 19 | The I2C HAL driver can be used as follows: |
mbed_official | 573:ad23fe03a082 | 20 | |
mbed_official | 573:ad23fe03a082 | 21 | (#) Declare a I2C_HandleTypeDef handle structure, for example: |
mbed_official | 573:ad23fe03a082 | 22 | I2C_HandleTypeDef hi2c; |
mbed_official | 573:ad23fe03a082 | 23 | |
mbed_official | 573:ad23fe03a082 | 24 | (#)Initialize the I2C low level resources by implement the HAL_I2C_MspInit ()API: |
mbed_official | 573:ad23fe03a082 | 25 | (##) Enable the I2Cx interface clock |
mbed_official | 573:ad23fe03a082 | 26 | (##) I2C pins configuration |
mbed_official | 573:ad23fe03a082 | 27 | (+++) Enable the clock for the I2C GPIOs |
mbed_official | 573:ad23fe03a082 | 28 | (+++) Configure I2C pins as alternate function open-drain |
mbed_official | 573:ad23fe03a082 | 29 | (##) NVIC configuration if you need to use interrupt process |
mbed_official | 573:ad23fe03a082 | 30 | (+++) Configure the I2Cx interrupt priority |
mbed_official | 573:ad23fe03a082 | 31 | (+++) Enable the NVIC I2C IRQ Channel |
mbed_official | 573:ad23fe03a082 | 32 | (##) DMA Configuration if you need to use DMA process |
mbed_official | 573:ad23fe03a082 | 33 | (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive stream |
mbed_official | 573:ad23fe03a082 | 34 | (+++) Enable the DMAx interface clock using |
mbed_official | 573:ad23fe03a082 | 35 | (+++) Configure the DMA handle parameters |
mbed_official | 573:ad23fe03a082 | 36 | (+++) Configure the DMA Tx or Rx Stream |
mbed_official | 573:ad23fe03a082 | 37 | (+++) Associate the initialized DMA handle to the hi2c DMA Tx or Rx handle |
mbed_official | 573:ad23fe03a082 | 38 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx or Rx Stream |
mbed_official | 573:ad23fe03a082 | 39 | |
mbed_official | 573:ad23fe03a082 | 40 | (#) Configure the Communication Clock Timing, Own Address1, Master Addressing Mode, Dual Addressing mode, |
mbed_official | 573:ad23fe03a082 | 41 | Own Address2, Own Address2 Mask, General call and Nostretch mode in the hi2c Init structure. |
mbed_official | 573:ad23fe03a082 | 42 | |
mbed_official | 573:ad23fe03a082 | 43 | (#) Initialize the I2C registers by calling the HAL_I2C_Init(), configures also the low level Hardware |
mbed_official | 573:ad23fe03a082 | 44 | (GPIO, CLOCK, NVIC...etc) by calling the customed HAL_I2C_MspInit(&hi2c) API. |
mbed_official | 573:ad23fe03a082 | 45 | |
mbed_official | 573:ad23fe03a082 | 46 | (#) To check if target device is ready for communication, use the function HAL_I2C_IsDeviceReady() |
mbed_official | 573:ad23fe03a082 | 47 | |
mbed_official | 573:ad23fe03a082 | 48 | (#) For I2C IO and IO MEM operations, three operation modes are available within this driver : |
mbed_official | 573:ad23fe03a082 | 49 | |
mbed_official | 573:ad23fe03a082 | 50 | *** Polling mode IO operation *** |
mbed_official | 573:ad23fe03a082 | 51 | ================================= |
mbed_official | 573:ad23fe03a082 | 52 | [..] |
mbed_official | 573:ad23fe03a082 | 53 | (+) Transmit in master mode an amount of data in blocking mode using HAL_I2C_Master_Transmit() |
mbed_official | 573:ad23fe03a082 | 54 | (+) Receive in master mode an amount of data in blocking mode using HAL_I2C_Master_Receive() |
mbed_official | 573:ad23fe03a082 | 55 | (+) Transmit in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Transmit() |
mbed_official | 573:ad23fe03a082 | 56 | (+) Receive in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Receive() |
mbed_official | 573:ad23fe03a082 | 57 | |
mbed_official | 573:ad23fe03a082 | 58 | *** Polling mode IO MEM operation *** |
mbed_official | 573:ad23fe03a082 | 59 | ===================================== |
mbed_official | 573:ad23fe03a082 | 60 | [..] |
mbed_official | 573:ad23fe03a082 | 61 | (+) Write an amount of data in blocking mode to a specific memory address using HAL_I2C_Mem_Write() |
mbed_official | 573:ad23fe03a082 | 62 | (+) Read an amount of data in blocking mode from a specific memory address using HAL_I2C_Mem_Read() |
mbed_official | 573:ad23fe03a082 | 63 | |
mbed_official | 573:ad23fe03a082 | 64 | |
mbed_official | 573:ad23fe03a082 | 65 | *** Interrupt mode IO operation *** |
mbed_official | 573:ad23fe03a082 | 66 | =================================== |
mbed_official | 573:ad23fe03a082 | 67 | [..] |
mbed_official | 573:ad23fe03a082 | 68 | (+) Transmit in master mode an amount of data in non blocking mode using HAL_I2C_Master_Transmit_IT() |
mbed_official | 573:ad23fe03a082 | 69 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 70 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
mbed_official | 573:ad23fe03a082 | 71 | (+) Receive in master mode an amount of data in non blocking mode using HAL_I2C_Master_Receive_IT() |
mbed_official | 573:ad23fe03a082 | 72 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 73 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
mbed_official | 573:ad23fe03a082 | 74 | (+) Transmit in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Transmit_IT() |
mbed_official | 573:ad23fe03a082 | 75 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 76 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
mbed_official | 573:ad23fe03a082 | 77 | (+) Receive in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Receive_IT() |
mbed_official | 573:ad23fe03a082 | 78 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 79 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
mbed_official | 573:ad23fe03a082 | 80 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 573:ad23fe03a082 | 81 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 573:ad23fe03a082 | 82 | |
mbed_official | 573:ad23fe03a082 | 83 | *** Interrupt mode IO MEM operation *** |
mbed_official | 573:ad23fe03a082 | 84 | ======================================= |
mbed_official | 573:ad23fe03a082 | 85 | [..] |
mbed_official | 573:ad23fe03a082 | 86 | (+) Write an amount of data in no-blocking mode with Interrupt to a specific memory address using |
mbed_official | 573:ad23fe03a082 | 87 | HAL_I2C_Mem_Write_IT() |
mbed_official | 573:ad23fe03a082 | 88 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 89 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
mbed_official | 573:ad23fe03a082 | 90 | (+) Read an amount of data in no-blocking mode with Interrupt from a specific memory address using |
mbed_official | 573:ad23fe03a082 | 91 | HAL_I2C_Mem_Read_IT() |
mbed_official | 573:ad23fe03a082 | 92 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 93 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
mbed_official | 573:ad23fe03a082 | 94 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 573:ad23fe03a082 | 95 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 573:ad23fe03a082 | 96 | |
mbed_official | 573:ad23fe03a082 | 97 | *** DMA mode IO operation *** |
mbed_official | 573:ad23fe03a082 | 98 | ============================== |
mbed_official | 573:ad23fe03a082 | 99 | [..] |
mbed_official | 573:ad23fe03a082 | 100 | (+) Transmit in master mode an amount of data in non blocking mode (DMA) using |
mbed_official | 573:ad23fe03a082 | 101 | HAL_I2C_Master_Transmit_DMA() |
mbed_official | 573:ad23fe03a082 | 102 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 103 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
mbed_official | 573:ad23fe03a082 | 104 | (+) Receive in master mode an amount of data in non blocking mode (DMA) using |
mbed_official | 573:ad23fe03a082 | 105 | HAL_I2C_Master_Receive_DMA() |
mbed_official | 573:ad23fe03a082 | 106 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 107 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
mbed_official | 573:ad23fe03a082 | 108 | (+) Transmit in slave mode an amount of data in non blocking mode (DMA) using |
mbed_official | 573:ad23fe03a082 | 109 | HAL_I2C_Slave_Transmit_DMA() |
mbed_official | 573:ad23fe03a082 | 110 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 111 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
mbed_official | 573:ad23fe03a082 | 112 | (+) Receive in slave mode an amount of data in non blocking mode (DMA) using |
mbed_official | 573:ad23fe03a082 | 113 | HAL_I2C_Slave_Receive_DMA() |
mbed_official | 573:ad23fe03a082 | 114 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 115 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
mbed_official | 573:ad23fe03a082 | 116 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 573:ad23fe03a082 | 117 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 573:ad23fe03a082 | 118 | |
mbed_official | 573:ad23fe03a082 | 119 | *** DMA mode IO MEM operation *** |
mbed_official | 573:ad23fe03a082 | 120 | ================================= |
mbed_official | 573:ad23fe03a082 | 121 | [..] |
mbed_official | 573:ad23fe03a082 | 122 | (+) Write an amount of data in no-blocking mode with DMA to a specific memory address using |
mbed_official | 573:ad23fe03a082 | 123 | HAL_I2C_Mem_Write_DMA() |
mbed_official | 573:ad23fe03a082 | 124 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 125 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
mbed_official | 573:ad23fe03a082 | 126 | (+) Read an amount of data in no-blocking mode with DMA from a specific memory address using |
mbed_official | 573:ad23fe03a082 | 127 | HAL_I2C_Mem_Read_DMA() |
mbed_official | 573:ad23fe03a082 | 128 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
mbed_official | 573:ad23fe03a082 | 129 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
mbed_official | 573:ad23fe03a082 | 130 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 573:ad23fe03a082 | 131 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 573:ad23fe03a082 | 132 | |
mbed_official | 573:ad23fe03a082 | 133 | |
mbed_official | 573:ad23fe03a082 | 134 | *** I2C HAL driver macros list *** |
mbed_official | 573:ad23fe03a082 | 135 | ================================== |
mbed_official | 573:ad23fe03a082 | 136 | [..] |
mbed_official | 573:ad23fe03a082 | 137 | Below the list of most used macros in I2C HAL driver. |
mbed_official | 573:ad23fe03a082 | 138 | |
mbed_official | 573:ad23fe03a082 | 139 | (+) __HAL_I2C_ENABLE: Enable the I2C peripheral |
mbed_official | 573:ad23fe03a082 | 140 | (+) __HAL_I2C_DISABLE: Disable the I2C peripheral |
mbed_official | 573:ad23fe03a082 | 141 | (+) __HAL_I2C_GET_FLAG : Checks whether the specified I2C flag is set or not |
mbed_official | 573:ad23fe03a082 | 142 | (+) __HAL_I2C_CLEAR_FLAG : Clear the specified I2C pending flag |
mbed_official | 573:ad23fe03a082 | 143 | (+) __HAL_I2C_ENABLE_IT: Enable the specified I2C interrupt |
mbed_official | 573:ad23fe03a082 | 144 | (+) __HAL_I2C_DISABLE_IT: Disable the specified I2C interrupt |
mbed_official | 573:ad23fe03a082 | 145 | |
mbed_official | 573:ad23fe03a082 | 146 | [..] |
mbed_official | 573:ad23fe03a082 | 147 | (@) You can refer to the I2C HAL driver header file for more useful macros |
mbed_official | 573:ad23fe03a082 | 148 | |
mbed_official | 573:ad23fe03a082 | 149 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 150 | ****************************************************************************** |
mbed_official | 573:ad23fe03a082 | 151 | * @attention |
mbed_official | 573:ad23fe03a082 | 152 | * |
mbed_official | 573:ad23fe03a082 | 153 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 573:ad23fe03a082 | 154 | * |
mbed_official | 573:ad23fe03a082 | 155 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 573:ad23fe03a082 | 156 | * are permitted provided that the following conditions are met: |
mbed_official | 573:ad23fe03a082 | 157 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 573:ad23fe03a082 | 158 | * this list of conditions and the following disclaimer. |
mbed_official | 573:ad23fe03a082 | 159 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 573:ad23fe03a082 | 160 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 573:ad23fe03a082 | 161 | * and/or other materials provided with the distribution. |
mbed_official | 573:ad23fe03a082 | 162 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 573:ad23fe03a082 | 163 | * may be used to endorse or promote products derived from this software |
mbed_official | 573:ad23fe03a082 | 164 | * without specific prior written permission. |
mbed_official | 573:ad23fe03a082 | 165 | * |
mbed_official | 573:ad23fe03a082 | 166 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 573:ad23fe03a082 | 167 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 573:ad23fe03a082 | 168 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 573:ad23fe03a082 | 169 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 573:ad23fe03a082 | 170 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 573:ad23fe03a082 | 171 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 573:ad23fe03a082 | 172 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 573:ad23fe03a082 | 173 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 573:ad23fe03a082 | 174 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 573:ad23fe03a082 | 175 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 573:ad23fe03a082 | 176 | * |
mbed_official | 573:ad23fe03a082 | 177 | ****************************************************************************** |
mbed_official | 573:ad23fe03a082 | 178 | */ |
mbed_official | 573:ad23fe03a082 | 179 | |
mbed_official | 573:ad23fe03a082 | 180 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 181 | #include "stm32f7xx_hal.h" |
mbed_official | 573:ad23fe03a082 | 182 | |
mbed_official | 573:ad23fe03a082 | 183 | /** @addtogroup STM32F7xx_HAL_Driver |
mbed_official | 573:ad23fe03a082 | 184 | * @{ |
mbed_official | 573:ad23fe03a082 | 185 | */ |
mbed_official | 573:ad23fe03a082 | 186 | |
mbed_official | 573:ad23fe03a082 | 187 | /** @defgroup I2C I2C |
mbed_official | 573:ad23fe03a082 | 188 | * @brief I2C HAL module driver |
mbed_official | 573:ad23fe03a082 | 189 | * @{ |
mbed_official | 573:ad23fe03a082 | 190 | */ |
mbed_official | 573:ad23fe03a082 | 191 | |
mbed_official | 573:ad23fe03a082 | 192 | #ifdef HAL_I2C_MODULE_ENABLED |
mbed_official | 573:ad23fe03a082 | 193 | |
mbed_official | 573:ad23fe03a082 | 194 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 195 | /* Private constants ---------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 196 | /** @addtogroup I2C_Private_Constants I2C Private Constants |
mbed_official | 573:ad23fe03a082 | 197 | * @{ |
mbed_official | 573:ad23fe03a082 | 198 | */ |
mbed_official | 573:ad23fe03a082 | 199 | #define TIMING_CLEAR_MASK ((uint32_t)0xF0FFFFFF) /*<! I2C TIMING clear register Mask */ |
mbed_official | 573:ad23fe03a082 | 200 | #define I2C_TIMEOUT_ADDR ((uint32_t)10000) /* 10 s */ |
mbed_official | 573:ad23fe03a082 | 201 | #define I2C_TIMEOUT_BUSY ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 202 | #define I2C_TIMEOUT_DIR ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 203 | #define I2C_TIMEOUT_RXNE ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 204 | #define I2C_TIMEOUT_STOPF ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 205 | #define I2C_TIMEOUT_TC ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 206 | #define I2C_TIMEOUT_TCR ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 207 | #define I2C_TIMEOUT_TXIS ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 208 | #define I2C_TIMEOUT_FLAG ((uint32_t)25) /* 25 ms */ |
mbed_official | 573:ad23fe03a082 | 209 | /** |
mbed_official | 573:ad23fe03a082 | 210 | * @} |
mbed_official | 573:ad23fe03a082 | 211 | */ |
mbed_official | 573:ad23fe03a082 | 212 | |
mbed_official | 573:ad23fe03a082 | 213 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 214 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 215 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 216 | /** @addtogroup I2C_Private_Functions I2C Private Functions |
mbed_official | 573:ad23fe03a082 | 217 | * @{ |
mbed_official | 573:ad23fe03a082 | 218 | */ |
mbed_official | 573:ad23fe03a082 | 219 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 220 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 221 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 222 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 223 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 224 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 225 | static void I2C_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 226 | |
mbed_official | 573:ad23fe03a082 | 227 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 228 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 229 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 230 | static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 231 | static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 232 | static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 233 | static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 234 | |
mbed_official | 573:ad23fe03a082 | 235 | static HAL_StatusTypeDef I2C_MasterTransmit_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 573:ad23fe03a082 | 236 | static HAL_StatusTypeDef I2C_MasterReceive_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 573:ad23fe03a082 | 237 | |
mbed_official | 573:ad23fe03a082 | 238 | static HAL_StatusTypeDef I2C_SlaveTransmit_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 573:ad23fe03a082 | 239 | static HAL_StatusTypeDef I2C_SlaveReceive_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 573:ad23fe03a082 | 240 | |
mbed_official | 573:ad23fe03a082 | 241 | static void I2C_TransferConfig(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request); |
mbed_official | 573:ad23fe03a082 | 242 | /** |
mbed_official | 573:ad23fe03a082 | 243 | * @} |
mbed_official | 573:ad23fe03a082 | 244 | */ |
mbed_official | 573:ad23fe03a082 | 245 | |
mbed_official | 573:ad23fe03a082 | 246 | /* Exported functions --------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 247 | |
mbed_official | 573:ad23fe03a082 | 248 | /** @defgroup I2C_Exported_Functions I2C Exported Functions |
mbed_official | 573:ad23fe03a082 | 249 | * @{ |
mbed_official | 573:ad23fe03a082 | 250 | */ |
mbed_official | 573:ad23fe03a082 | 251 | |
mbed_official | 573:ad23fe03a082 | 252 | /** @defgroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 573:ad23fe03a082 | 253 | * @brief Initialization and Configuration functions |
mbed_official | 573:ad23fe03a082 | 254 | * |
mbed_official | 573:ad23fe03a082 | 255 | @verbatim |
mbed_official | 573:ad23fe03a082 | 256 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 257 | ##### Initialization and de-initialization functions ##### |
mbed_official | 573:ad23fe03a082 | 258 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 259 | [..] This subsection provides a set of functions allowing to initialize and |
mbed_official | 573:ad23fe03a082 | 260 | de-initialize the I2Cx peripheral: |
mbed_official | 573:ad23fe03a082 | 261 | |
mbed_official | 573:ad23fe03a082 | 262 | (+) User must Implement HAL_I2C_MspInit() function in which he configures |
mbed_official | 573:ad23fe03a082 | 263 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). |
mbed_official | 573:ad23fe03a082 | 264 | |
mbed_official | 573:ad23fe03a082 | 265 | (+) Call the function HAL_I2C_Init() to configure the selected device with |
mbed_official | 573:ad23fe03a082 | 266 | the selected configuration: |
mbed_official | 573:ad23fe03a082 | 267 | (++) Clock Timing |
mbed_official | 573:ad23fe03a082 | 268 | (++) Own Address 1 |
mbed_official | 573:ad23fe03a082 | 269 | (++) Addressing mode (Master, Slave) |
mbed_official | 573:ad23fe03a082 | 270 | (++) Dual Addressing mode |
mbed_official | 573:ad23fe03a082 | 271 | (++) Own Address 2 |
mbed_official | 573:ad23fe03a082 | 272 | (++) Own Address 2 Mask |
mbed_official | 573:ad23fe03a082 | 273 | (++) General call mode |
mbed_official | 573:ad23fe03a082 | 274 | (++) Nostretch mode |
mbed_official | 573:ad23fe03a082 | 275 | |
mbed_official | 573:ad23fe03a082 | 276 | (+) Call the function HAL_I2C_DeInit() to restore the default configuration |
mbed_official | 573:ad23fe03a082 | 277 | of the selected I2Cx peripheral. |
mbed_official | 573:ad23fe03a082 | 278 | |
mbed_official | 573:ad23fe03a082 | 279 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 280 | * @{ |
mbed_official | 573:ad23fe03a082 | 281 | */ |
mbed_official | 573:ad23fe03a082 | 282 | |
mbed_official | 573:ad23fe03a082 | 283 | /** |
mbed_official | 573:ad23fe03a082 | 284 | * @brief Initializes the I2C according to the specified parameters |
mbed_official | 573:ad23fe03a082 | 285 | * in the I2C_InitTypeDef and create the associated handle. |
mbed_official | 573:ad23fe03a082 | 286 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 287 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 288 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 289 | */ |
mbed_official | 573:ad23fe03a082 | 290 | HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 291 | { |
mbed_official | 573:ad23fe03a082 | 292 | /* Check the I2C handle allocation */ |
mbed_official | 573:ad23fe03a082 | 293 | if(hi2c == NULL) |
mbed_official | 573:ad23fe03a082 | 294 | { |
mbed_official | 573:ad23fe03a082 | 295 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 296 | } |
mbed_official | 573:ad23fe03a082 | 297 | |
mbed_official | 573:ad23fe03a082 | 298 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 299 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 573:ad23fe03a082 | 300 | assert_param(IS_I2C_OWN_ADDRESS1(hi2c->Init.OwnAddress1)); |
mbed_official | 573:ad23fe03a082 | 301 | assert_param(IS_I2C_ADDRESSING_MODE(hi2c->Init.AddressingMode)); |
mbed_official | 573:ad23fe03a082 | 302 | assert_param(IS_I2C_DUAL_ADDRESS(hi2c->Init.DualAddressMode)); |
mbed_official | 573:ad23fe03a082 | 303 | assert_param(IS_I2C_OWN_ADDRESS2(hi2c->Init.OwnAddress2)); |
mbed_official | 573:ad23fe03a082 | 304 | assert_param(IS_I2C_OWN_ADDRESS2_MASK(hi2c->Init.OwnAddress2Masks)); |
mbed_official | 573:ad23fe03a082 | 305 | assert_param(IS_I2C_GENERAL_CALL(hi2c->Init.GeneralCallMode)); |
mbed_official | 573:ad23fe03a082 | 306 | assert_param(IS_I2C_NO_STRETCH(hi2c->Init.NoStretchMode)); |
mbed_official | 573:ad23fe03a082 | 307 | |
mbed_official | 573:ad23fe03a082 | 308 | if(hi2c->State == HAL_I2C_STATE_RESET) |
mbed_official | 573:ad23fe03a082 | 309 | { |
mbed_official | 573:ad23fe03a082 | 310 | /* Allocate lock resource and initialize it */ |
mbed_official | 573:ad23fe03a082 | 311 | hi2c->Lock = HAL_UNLOCKED; |
mbed_official | 573:ad23fe03a082 | 312 | /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */ |
mbed_official | 573:ad23fe03a082 | 313 | HAL_I2C_MspInit(hi2c); |
mbed_official | 573:ad23fe03a082 | 314 | } |
mbed_official | 573:ad23fe03a082 | 315 | |
mbed_official | 573:ad23fe03a082 | 316 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 573:ad23fe03a082 | 317 | |
mbed_official | 573:ad23fe03a082 | 318 | /* Disable the selected I2C peripheral */ |
mbed_official | 573:ad23fe03a082 | 319 | __HAL_I2C_DISABLE(hi2c); |
mbed_official | 573:ad23fe03a082 | 320 | |
mbed_official | 573:ad23fe03a082 | 321 | /*---------------------------- I2Cx TIMINGR Configuration ------------------*/ |
mbed_official | 573:ad23fe03a082 | 322 | /* Configure I2Cx: Frequency range */ |
mbed_official | 573:ad23fe03a082 | 323 | hi2c->Instance->TIMINGR = hi2c->Init.Timing & TIMING_CLEAR_MASK; |
mbed_official | 573:ad23fe03a082 | 324 | |
mbed_official | 573:ad23fe03a082 | 325 | /*---------------------------- I2Cx OAR1 Configuration ---------------------*/ |
mbed_official | 573:ad23fe03a082 | 326 | /* Configure I2Cx: Own Address1 and ack own address1 mode */ |
mbed_official | 573:ad23fe03a082 | 327 | hi2c->Instance->OAR1 &= ~I2C_OAR1_OA1EN; |
mbed_official | 573:ad23fe03a082 | 328 | if(hi2c->Init.OwnAddress1 != 0) |
mbed_official | 573:ad23fe03a082 | 329 | { |
mbed_official | 573:ad23fe03a082 | 330 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) |
mbed_official | 573:ad23fe03a082 | 331 | { |
mbed_official | 573:ad23fe03a082 | 332 | hi2c->Instance->OAR1 = (I2C_OAR1_OA1EN | hi2c->Init.OwnAddress1); |
mbed_official | 573:ad23fe03a082 | 333 | } |
mbed_official | 573:ad23fe03a082 | 334 | else /* I2C_ADDRESSINGMODE_10BIT */ |
mbed_official | 573:ad23fe03a082 | 335 | { |
mbed_official | 573:ad23fe03a082 | 336 | hi2c->Instance->OAR1 = (I2C_OAR1_OA1EN | I2C_OAR1_OA1MODE | hi2c->Init.OwnAddress1); |
mbed_official | 573:ad23fe03a082 | 337 | } |
mbed_official | 573:ad23fe03a082 | 338 | } |
mbed_official | 573:ad23fe03a082 | 339 | |
mbed_official | 573:ad23fe03a082 | 340 | /*---------------------------- I2Cx CR2 Configuration ----------------------*/ |
mbed_official | 573:ad23fe03a082 | 341 | /* Configure I2Cx: Addressing Master mode */ |
mbed_official | 573:ad23fe03a082 | 342 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 573:ad23fe03a082 | 343 | { |
mbed_official | 573:ad23fe03a082 | 344 | hi2c->Instance->CR2 = (I2C_CR2_ADD10); |
mbed_official | 573:ad23fe03a082 | 345 | } |
mbed_official | 573:ad23fe03a082 | 346 | /* Enable the AUTOEND by default, and enable NACK (should be disable only during Slave process */ |
mbed_official | 573:ad23fe03a082 | 347 | hi2c->Instance->CR2 |= (I2C_CR2_AUTOEND | I2C_CR2_NACK); |
mbed_official | 573:ad23fe03a082 | 348 | |
mbed_official | 573:ad23fe03a082 | 349 | /*---------------------------- I2Cx OAR2 Configuration ---------------------*/ |
mbed_official | 573:ad23fe03a082 | 350 | /* Configure I2Cx: Dual mode and Own Address2 */ |
mbed_official | 573:ad23fe03a082 | 351 | hi2c->Instance->OAR2 = (hi2c->Init.DualAddressMode | hi2c->Init.OwnAddress2 | (hi2c->Init.OwnAddress2Masks << 8)); |
mbed_official | 573:ad23fe03a082 | 352 | |
mbed_official | 573:ad23fe03a082 | 353 | /*---------------------------- I2Cx CR1 Configuration ----------------------*/ |
mbed_official | 573:ad23fe03a082 | 354 | /* Configure I2Cx: Generalcall and NoStretch mode */ |
mbed_official | 573:ad23fe03a082 | 355 | hi2c->Instance->CR1 = (hi2c->Init.GeneralCallMode | hi2c->Init.NoStretchMode); |
mbed_official | 573:ad23fe03a082 | 356 | |
mbed_official | 573:ad23fe03a082 | 357 | /* Enable the selected I2C peripheral */ |
mbed_official | 573:ad23fe03a082 | 358 | __HAL_I2C_ENABLE(hi2c); |
mbed_official | 573:ad23fe03a082 | 359 | |
mbed_official | 573:ad23fe03a082 | 360 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 361 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 362 | |
mbed_official | 573:ad23fe03a082 | 363 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 364 | } |
mbed_official | 573:ad23fe03a082 | 365 | |
mbed_official | 573:ad23fe03a082 | 366 | /** |
mbed_official | 573:ad23fe03a082 | 367 | * @brief DeInitializes the I2C peripheral. |
mbed_official | 573:ad23fe03a082 | 368 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 369 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 370 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 371 | */ |
mbed_official | 573:ad23fe03a082 | 372 | HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 373 | { |
mbed_official | 573:ad23fe03a082 | 374 | /* Check the I2C handle allocation */ |
mbed_official | 573:ad23fe03a082 | 375 | if(hi2c == NULL) |
mbed_official | 573:ad23fe03a082 | 376 | { |
mbed_official | 573:ad23fe03a082 | 377 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 378 | } |
mbed_official | 573:ad23fe03a082 | 379 | |
mbed_official | 573:ad23fe03a082 | 380 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 381 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 573:ad23fe03a082 | 382 | |
mbed_official | 573:ad23fe03a082 | 383 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 573:ad23fe03a082 | 384 | |
mbed_official | 573:ad23fe03a082 | 385 | /* Disable the I2C Peripheral Clock */ |
mbed_official | 573:ad23fe03a082 | 386 | __HAL_I2C_DISABLE(hi2c); |
mbed_official | 573:ad23fe03a082 | 387 | |
mbed_official | 573:ad23fe03a082 | 388 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ |
mbed_official | 573:ad23fe03a082 | 389 | HAL_I2C_MspDeInit(hi2c); |
mbed_official | 573:ad23fe03a082 | 390 | |
mbed_official | 573:ad23fe03a082 | 391 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 392 | |
mbed_official | 573:ad23fe03a082 | 393 | hi2c->State = HAL_I2C_STATE_RESET; |
mbed_official | 573:ad23fe03a082 | 394 | |
mbed_official | 573:ad23fe03a082 | 395 | /* Release Lock */ |
mbed_official | 573:ad23fe03a082 | 396 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 397 | |
mbed_official | 573:ad23fe03a082 | 398 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 399 | } |
mbed_official | 573:ad23fe03a082 | 400 | |
mbed_official | 573:ad23fe03a082 | 401 | /** |
mbed_official | 573:ad23fe03a082 | 402 | * @brief I2C MSP Init. |
mbed_official | 573:ad23fe03a082 | 403 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 404 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 405 | * @retval None |
mbed_official | 573:ad23fe03a082 | 406 | */ |
mbed_official | 573:ad23fe03a082 | 407 | __weak void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 408 | { |
mbed_official | 573:ad23fe03a082 | 409 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 410 | the HAL_I2C_MspInit could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 411 | */ |
mbed_official | 573:ad23fe03a082 | 412 | } |
mbed_official | 573:ad23fe03a082 | 413 | |
mbed_official | 573:ad23fe03a082 | 414 | /** |
mbed_official | 573:ad23fe03a082 | 415 | * @brief I2C MSP DeInit |
mbed_official | 573:ad23fe03a082 | 416 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 417 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 418 | * @retval None |
mbed_official | 573:ad23fe03a082 | 419 | */ |
mbed_official | 573:ad23fe03a082 | 420 | __weak void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 421 | { |
mbed_official | 573:ad23fe03a082 | 422 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 423 | the HAL_I2C_MspDeInit could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 424 | */ |
mbed_official | 573:ad23fe03a082 | 425 | } |
mbed_official | 573:ad23fe03a082 | 426 | |
mbed_official | 573:ad23fe03a082 | 427 | /** |
mbed_official | 573:ad23fe03a082 | 428 | * @} |
mbed_official | 573:ad23fe03a082 | 429 | */ |
mbed_official | 573:ad23fe03a082 | 430 | |
mbed_official | 573:ad23fe03a082 | 431 | /** @defgroup I2C_Exported_Functions_Group2 Input and Output operation functions |
mbed_official | 573:ad23fe03a082 | 432 | * @brief Data transfers functions |
mbed_official | 573:ad23fe03a082 | 433 | * |
mbed_official | 573:ad23fe03a082 | 434 | @verbatim |
mbed_official | 573:ad23fe03a082 | 435 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 436 | ##### IO operation functions ##### |
mbed_official | 573:ad23fe03a082 | 437 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 438 | [..] |
mbed_official | 573:ad23fe03a082 | 439 | This subsection provides a set of functions allowing to manage the I2C data |
mbed_official | 573:ad23fe03a082 | 440 | transfers. |
mbed_official | 573:ad23fe03a082 | 441 | |
mbed_official | 573:ad23fe03a082 | 442 | (#) There are two modes of transfer: |
mbed_official | 573:ad23fe03a082 | 443 | (++) Blocking mode : The communication is performed in the polling mode. |
mbed_official | 573:ad23fe03a082 | 444 | The status of all data processing is returned by the same function |
mbed_official | 573:ad23fe03a082 | 445 | after finishing transfer. |
mbed_official | 573:ad23fe03a082 | 446 | (++) No-Blocking mode : The communication is performed using Interrupts |
mbed_official | 573:ad23fe03a082 | 447 | or DMA. These functions return the status of the transfer startup. |
mbed_official | 573:ad23fe03a082 | 448 | The end of the data processing will be indicated through the |
mbed_official | 573:ad23fe03a082 | 449 | dedicated I2C IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 573:ad23fe03a082 | 450 | using DMA mode. |
mbed_official | 573:ad23fe03a082 | 451 | |
mbed_official | 573:ad23fe03a082 | 452 | (#) Blocking mode functions are : |
mbed_official | 573:ad23fe03a082 | 453 | (++) HAL_I2C_Master_Transmit() |
mbed_official | 573:ad23fe03a082 | 454 | (++) HAL_I2C_Master_Receive() |
mbed_official | 573:ad23fe03a082 | 455 | (++) HAL_I2C_Slave_Transmit() |
mbed_official | 573:ad23fe03a082 | 456 | (++) HAL_I2C_Slave_Receive() |
mbed_official | 573:ad23fe03a082 | 457 | (++) HAL_I2C_Mem_Write() |
mbed_official | 573:ad23fe03a082 | 458 | (++) HAL_I2C_Mem_Read() |
mbed_official | 573:ad23fe03a082 | 459 | (++) HAL_I2C_IsDeviceReady() |
mbed_official | 573:ad23fe03a082 | 460 | |
mbed_official | 573:ad23fe03a082 | 461 | (#) No-Blocking mode functions with Interrupt are : |
mbed_official | 573:ad23fe03a082 | 462 | (++) HAL_I2C_Master_Transmit_IT() |
mbed_official | 573:ad23fe03a082 | 463 | (++) HAL_I2C_Master_Receive_IT() |
mbed_official | 573:ad23fe03a082 | 464 | (++) HAL_I2C_Slave_Transmit_IT() |
mbed_official | 573:ad23fe03a082 | 465 | (++) HAL_I2C_Slave_Receive_IT() |
mbed_official | 573:ad23fe03a082 | 466 | (++) HAL_I2C_Mem_Write_IT() |
mbed_official | 573:ad23fe03a082 | 467 | (++) HAL_I2C_Mem_Read_IT() |
mbed_official | 573:ad23fe03a082 | 468 | |
mbed_official | 573:ad23fe03a082 | 469 | (#) No-Blocking mode functions with DMA are : |
mbed_official | 573:ad23fe03a082 | 470 | (++) HAL_I2C_Master_Transmit_DMA() |
mbed_official | 573:ad23fe03a082 | 471 | (++) HAL_I2C_Master_Receive_DMA() |
mbed_official | 573:ad23fe03a082 | 472 | (++) HAL_I2C_Slave_Transmit_DMA() |
mbed_official | 573:ad23fe03a082 | 473 | (++) HAL_I2C_Slave_Receive_DMA() |
mbed_official | 573:ad23fe03a082 | 474 | (++) HAL_I2C_Mem_Write_DMA() |
mbed_official | 573:ad23fe03a082 | 475 | (++) HAL_I2C_Mem_Read_DMA() |
mbed_official | 573:ad23fe03a082 | 476 | |
mbed_official | 573:ad23fe03a082 | 477 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
mbed_official | 573:ad23fe03a082 | 478 | (++) HAL_I2C_MemTxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 479 | (++) HAL_I2C_MemRxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 480 | (++) HAL_I2C_MasterTxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 481 | (++) HAL_I2C_MasterRxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 482 | (++) HAL_I2C_SlaveTxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 483 | (++) HAL_I2C_SlaveRxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 484 | (++) HAL_I2C_ErrorCallback() |
mbed_official | 573:ad23fe03a082 | 485 | |
mbed_official | 573:ad23fe03a082 | 486 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 487 | * @{ |
mbed_official | 573:ad23fe03a082 | 488 | */ |
mbed_official | 573:ad23fe03a082 | 489 | |
mbed_official | 573:ad23fe03a082 | 490 | /** |
mbed_official | 573:ad23fe03a082 | 491 | * @brief Transmits in master mode an amount of data in blocking mode. |
mbed_official | 573:ad23fe03a082 | 492 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 493 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 494 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 495 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 496 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 497 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 498 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 499 | */ |
mbed_official | 573:ad23fe03a082 | 500 | HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 501 | { |
mbed_official | 573:ad23fe03a082 | 502 | uint32_t sizetmp = 0; |
mbed_official | 573:ad23fe03a082 | 503 | |
mbed_official | 573:ad23fe03a082 | 504 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 505 | { |
mbed_official | 573:ad23fe03a082 | 506 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 507 | { |
mbed_official | 573:ad23fe03a082 | 508 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 509 | } |
mbed_official | 573:ad23fe03a082 | 510 | |
mbed_official | 573:ad23fe03a082 | 511 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 512 | { |
mbed_official | 573:ad23fe03a082 | 513 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 514 | } |
mbed_official | 573:ad23fe03a082 | 515 | |
mbed_official | 573:ad23fe03a082 | 516 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 517 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 518 | |
mbed_official | 573:ad23fe03a082 | 519 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 520 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 521 | |
mbed_official | 573:ad23fe03a082 | 522 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 523 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 524 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 573:ad23fe03a082 | 525 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 526 | { |
mbed_official | 573:ad23fe03a082 | 527 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 528 | sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 529 | } |
mbed_official | 573:ad23fe03a082 | 530 | else |
mbed_official | 573:ad23fe03a082 | 531 | { |
mbed_official | 573:ad23fe03a082 | 532 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 533 | sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 534 | } |
mbed_official | 573:ad23fe03a082 | 535 | |
mbed_official | 573:ad23fe03a082 | 536 | do |
mbed_official | 573:ad23fe03a082 | 537 | { |
mbed_official | 573:ad23fe03a082 | 538 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 539 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 540 | { |
mbed_official | 573:ad23fe03a082 | 541 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 542 | { |
mbed_official | 573:ad23fe03a082 | 543 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 544 | } |
mbed_official | 573:ad23fe03a082 | 545 | else |
mbed_official | 573:ad23fe03a082 | 546 | { |
mbed_official | 573:ad23fe03a082 | 547 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 548 | } |
mbed_official | 573:ad23fe03a082 | 549 | } |
mbed_official | 573:ad23fe03a082 | 550 | /* Write data to TXDR */ |
mbed_official | 573:ad23fe03a082 | 551 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 573:ad23fe03a082 | 552 | sizetmp--; |
mbed_official | 573:ad23fe03a082 | 553 | Size--; |
mbed_official | 573:ad23fe03a082 | 554 | |
mbed_official | 573:ad23fe03a082 | 555 | if((sizetmp == 0)&&(Size!=0)) |
mbed_official | 573:ad23fe03a082 | 556 | { |
mbed_official | 573:ad23fe03a082 | 557 | /* Wait until TXE flag is set */ |
mbed_official | 573:ad23fe03a082 | 558 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 559 | { |
mbed_official | 573:ad23fe03a082 | 560 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 561 | } |
mbed_official | 573:ad23fe03a082 | 562 | |
mbed_official | 573:ad23fe03a082 | 563 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 564 | { |
mbed_official | 573:ad23fe03a082 | 565 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 566 | sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 567 | } |
mbed_official | 573:ad23fe03a082 | 568 | else |
mbed_official | 573:ad23fe03a082 | 569 | { |
mbed_official | 573:ad23fe03a082 | 570 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 571 | sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 572 | } |
mbed_official | 573:ad23fe03a082 | 573 | } |
mbed_official | 573:ad23fe03a082 | 574 | |
mbed_official | 573:ad23fe03a082 | 575 | }while(Size > 0); |
mbed_official | 573:ad23fe03a082 | 576 | |
mbed_official | 573:ad23fe03a082 | 577 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 578 | /* Wait until STOPF flag is set */ |
mbed_official | 573:ad23fe03a082 | 579 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 580 | { |
mbed_official | 573:ad23fe03a082 | 581 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 582 | { |
mbed_official | 573:ad23fe03a082 | 583 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 584 | } |
mbed_official | 573:ad23fe03a082 | 585 | else |
mbed_official | 573:ad23fe03a082 | 586 | { |
mbed_official | 573:ad23fe03a082 | 587 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 588 | } |
mbed_official | 573:ad23fe03a082 | 589 | } |
mbed_official | 573:ad23fe03a082 | 590 | |
mbed_official | 573:ad23fe03a082 | 591 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 592 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 593 | |
mbed_official | 573:ad23fe03a082 | 594 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 595 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 596 | |
mbed_official | 573:ad23fe03a082 | 597 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 598 | |
mbed_official | 573:ad23fe03a082 | 599 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 600 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 601 | |
mbed_official | 573:ad23fe03a082 | 602 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 603 | } |
mbed_official | 573:ad23fe03a082 | 604 | else |
mbed_official | 573:ad23fe03a082 | 605 | { |
mbed_official | 573:ad23fe03a082 | 606 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 607 | } |
mbed_official | 573:ad23fe03a082 | 608 | } |
mbed_official | 573:ad23fe03a082 | 609 | |
mbed_official | 573:ad23fe03a082 | 610 | /** |
mbed_official | 573:ad23fe03a082 | 611 | * @brief Receives in master mode an amount of data in blocking mode. |
mbed_official | 573:ad23fe03a082 | 612 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 613 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 614 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 615 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 616 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 617 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 618 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 619 | */ |
mbed_official | 573:ad23fe03a082 | 620 | HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 621 | { |
mbed_official | 573:ad23fe03a082 | 622 | uint32_t sizetmp = 0; |
mbed_official | 573:ad23fe03a082 | 623 | |
mbed_official | 573:ad23fe03a082 | 624 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 625 | { |
mbed_official | 573:ad23fe03a082 | 626 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 627 | { |
mbed_official | 573:ad23fe03a082 | 628 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 629 | } |
mbed_official | 573:ad23fe03a082 | 630 | |
mbed_official | 573:ad23fe03a082 | 631 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 632 | { |
mbed_official | 573:ad23fe03a082 | 633 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 634 | } |
mbed_official | 573:ad23fe03a082 | 635 | |
mbed_official | 573:ad23fe03a082 | 636 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 637 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 638 | |
mbed_official | 573:ad23fe03a082 | 639 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 640 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 641 | |
mbed_official | 573:ad23fe03a082 | 642 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 643 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 644 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 573:ad23fe03a082 | 645 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 646 | { |
mbed_official | 573:ad23fe03a082 | 647 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 648 | sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 649 | } |
mbed_official | 573:ad23fe03a082 | 650 | else |
mbed_official | 573:ad23fe03a082 | 651 | { |
mbed_official | 573:ad23fe03a082 | 652 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 653 | sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 654 | } |
mbed_official | 573:ad23fe03a082 | 655 | |
mbed_official | 573:ad23fe03a082 | 656 | do |
mbed_official | 573:ad23fe03a082 | 657 | { |
mbed_official | 573:ad23fe03a082 | 658 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 659 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 660 | { |
mbed_official | 573:ad23fe03a082 | 661 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 662 | } |
mbed_official | 573:ad23fe03a082 | 663 | |
mbed_official | 573:ad23fe03a082 | 664 | /* Write data to RXDR */ |
mbed_official | 573:ad23fe03a082 | 665 | (*pData++) =hi2c->Instance->RXDR; |
mbed_official | 573:ad23fe03a082 | 666 | sizetmp--; |
mbed_official | 573:ad23fe03a082 | 667 | Size--; |
mbed_official | 573:ad23fe03a082 | 668 | |
mbed_official | 573:ad23fe03a082 | 669 | if((sizetmp == 0)&&(Size!=0)) |
mbed_official | 573:ad23fe03a082 | 670 | { |
mbed_official | 573:ad23fe03a082 | 671 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 672 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 673 | { |
mbed_official | 573:ad23fe03a082 | 674 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 675 | } |
mbed_official | 573:ad23fe03a082 | 676 | |
mbed_official | 573:ad23fe03a082 | 677 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 678 | { |
mbed_official | 573:ad23fe03a082 | 679 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 680 | sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 681 | } |
mbed_official | 573:ad23fe03a082 | 682 | else |
mbed_official | 573:ad23fe03a082 | 683 | { |
mbed_official | 573:ad23fe03a082 | 684 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 685 | sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 686 | } |
mbed_official | 573:ad23fe03a082 | 687 | } |
mbed_official | 573:ad23fe03a082 | 688 | |
mbed_official | 573:ad23fe03a082 | 689 | }while(Size > 0); |
mbed_official | 573:ad23fe03a082 | 690 | |
mbed_official | 573:ad23fe03a082 | 691 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 692 | /* Wait until STOPF flag is set */ |
mbed_official | 573:ad23fe03a082 | 693 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 694 | { |
mbed_official | 573:ad23fe03a082 | 695 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 696 | { |
mbed_official | 573:ad23fe03a082 | 697 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 698 | } |
mbed_official | 573:ad23fe03a082 | 699 | else |
mbed_official | 573:ad23fe03a082 | 700 | { |
mbed_official | 573:ad23fe03a082 | 701 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 702 | } |
mbed_official | 573:ad23fe03a082 | 703 | } |
mbed_official | 573:ad23fe03a082 | 704 | |
mbed_official | 573:ad23fe03a082 | 705 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 706 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 707 | |
mbed_official | 573:ad23fe03a082 | 708 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 709 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 710 | |
mbed_official | 573:ad23fe03a082 | 711 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 712 | |
mbed_official | 573:ad23fe03a082 | 713 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 714 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 715 | |
mbed_official | 573:ad23fe03a082 | 716 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 717 | } |
mbed_official | 573:ad23fe03a082 | 718 | else |
mbed_official | 573:ad23fe03a082 | 719 | { |
mbed_official | 573:ad23fe03a082 | 720 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 721 | } |
mbed_official | 573:ad23fe03a082 | 722 | } |
mbed_official | 573:ad23fe03a082 | 723 | |
mbed_official | 573:ad23fe03a082 | 724 | /** |
mbed_official | 573:ad23fe03a082 | 725 | * @brief Transmits in slave mode an amount of data in blocking mode. |
mbed_official | 573:ad23fe03a082 | 726 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 727 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 728 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 729 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 730 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 731 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 732 | */ |
mbed_official | 573:ad23fe03a082 | 733 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 734 | { |
mbed_official | 573:ad23fe03a082 | 735 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 736 | { |
mbed_official | 573:ad23fe03a082 | 737 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 738 | { |
mbed_official | 573:ad23fe03a082 | 739 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 740 | } |
mbed_official | 573:ad23fe03a082 | 741 | |
mbed_official | 573:ad23fe03a082 | 742 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 743 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 744 | |
mbed_official | 573:ad23fe03a082 | 745 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 746 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 747 | |
mbed_official | 573:ad23fe03a082 | 748 | /* Enable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 749 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 750 | |
mbed_official | 573:ad23fe03a082 | 751 | /* Wait until ADDR flag is set */ |
mbed_official | 573:ad23fe03a082 | 752 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 753 | { |
mbed_official | 573:ad23fe03a082 | 754 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 755 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 756 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 757 | } |
mbed_official | 573:ad23fe03a082 | 758 | |
mbed_official | 573:ad23fe03a082 | 759 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 760 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 761 | |
mbed_official | 573:ad23fe03a082 | 762 | /* If 10bit addressing mode is selected */ |
mbed_official | 573:ad23fe03a082 | 763 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 573:ad23fe03a082 | 764 | { |
mbed_official | 573:ad23fe03a082 | 765 | /* Wait until ADDR flag is set */ |
mbed_official | 573:ad23fe03a082 | 766 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 767 | { |
mbed_official | 573:ad23fe03a082 | 768 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 769 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 770 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 771 | } |
mbed_official | 573:ad23fe03a082 | 772 | |
mbed_official | 573:ad23fe03a082 | 773 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 774 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 775 | } |
mbed_official | 573:ad23fe03a082 | 776 | |
mbed_official | 573:ad23fe03a082 | 777 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 573:ad23fe03a082 | 778 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 779 | { |
mbed_official | 573:ad23fe03a082 | 780 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 781 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 782 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 783 | } |
mbed_official | 573:ad23fe03a082 | 784 | |
mbed_official | 573:ad23fe03a082 | 785 | do |
mbed_official | 573:ad23fe03a082 | 786 | { |
mbed_official | 573:ad23fe03a082 | 787 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 788 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 789 | { |
mbed_official | 573:ad23fe03a082 | 790 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 791 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 792 | |
mbed_official | 573:ad23fe03a082 | 793 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 794 | { |
mbed_official | 573:ad23fe03a082 | 795 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 796 | } |
mbed_official | 573:ad23fe03a082 | 797 | else |
mbed_official | 573:ad23fe03a082 | 798 | { |
mbed_official | 573:ad23fe03a082 | 799 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 800 | } |
mbed_official | 573:ad23fe03a082 | 801 | } |
mbed_official | 573:ad23fe03a082 | 802 | |
mbed_official | 573:ad23fe03a082 | 803 | /* Read data from TXDR */ |
mbed_official | 573:ad23fe03a082 | 804 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 573:ad23fe03a082 | 805 | Size--; |
mbed_official | 573:ad23fe03a082 | 806 | }while(Size > 0); |
mbed_official | 573:ad23fe03a082 | 807 | |
mbed_official | 573:ad23fe03a082 | 808 | /* Wait until STOP flag is set */ |
mbed_official | 573:ad23fe03a082 | 809 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 810 | { |
mbed_official | 573:ad23fe03a082 | 811 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 812 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 813 | |
mbed_official | 573:ad23fe03a082 | 814 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 815 | { |
mbed_official | 573:ad23fe03a082 | 816 | /* Normal use case for Transmitter mode */ |
mbed_official | 573:ad23fe03a082 | 817 | /* A NACK is generated to confirm the end of transfer */ |
mbed_official | 573:ad23fe03a082 | 818 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 819 | } |
mbed_official | 573:ad23fe03a082 | 820 | else |
mbed_official | 573:ad23fe03a082 | 821 | { |
mbed_official | 573:ad23fe03a082 | 822 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 823 | } |
mbed_official | 573:ad23fe03a082 | 824 | } |
mbed_official | 573:ad23fe03a082 | 825 | |
mbed_official | 573:ad23fe03a082 | 826 | /* Clear STOP flag */ |
mbed_official | 573:ad23fe03a082 | 827 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 828 | |
mbed_official | 573:ad23fe03a082 | 829 | /* Wait until BUSY flag is reset */ |
mbed_official | 573:ad23fe03a082 | 830 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 831 | { |
mbed_official | 573:ad23fe03a082 | 832 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 833 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 834 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 835 | } |
mbed_official | 573:ad23fe03a082 | 836 | |
mbed_official | 573:ad23fe03a082 | 837 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 838 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 839 | |
mbed_official | 573:ad23fe03a082 | 840 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 841 | |
mbed_official | 573:ad23fe03a082 | 842 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 843 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 844 | |
mbed_official | 573:ad23fe03a082 | 845 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 846 | } |
mbed_official | 573:ad23fe03a082 | 847 | else |
mbed_official | 573:ad23fe03a082 | 848 | { |
mbed_official | 573:ad23fe03a082 | 849 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 850 | } |
mbed_official | 573:ad23fe03a082 | 851 | } |
mbed_official | 573:ad23fe03a082 | 852 | |
mbed_official | 573:ad23fe03a082 | 853 | /** |
mbed_official | 573:ad23fe03a082 | 854 | * @brief Receive in slave mode an amount of data in blocking mode |
mbed_official | 573:ad23fe03a082 | 855 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 856 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 857 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 858 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 859 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 860 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 861 | */ |
mbed_official | 573:ad23fe03a082 | 862 | HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 863 | { |
mbed_official | 573:ad23fe03a082 | 864 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 865 | { |
mbed_official | 573:ad23fe03a082 | 866 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 867 | { |
mbed_official | 573:ad23fe03a082 | 868 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 869 | } |
mbed_official | 573:ad23fe03a082 | 870 | |
mbed_official | 573:ad23fe03a082 | 871 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 872 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 873 | |
mbed_official | 573:ad23fe03a082 | 874 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 875 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 876 | |
mbed_official | 573:ad23fe03a082 | 877 | /* Enable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 878 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 879 | |
mbed_official | 573:ad23fe03a082 | 880 | /* Wait until ADDR flag is set */ |
mbed_official | 573:ad23fe03a082 | 881 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 882 | { |
mbed_official | 573:ad23fe03a082 | 883 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 884 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 885 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 886 | } |
mbed_official | 573:ad23fe03a082 | 887 | |
mbed_official | 573:ad23fe03a082 | 888 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 889 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 890 | |
mbed_official | 573:ad23fe03a082 | 891 | /* Wait until DIR flag is reset Receiver mode */ |
mbed_official | 573:ad23fe03a082 | 892 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 893 | { |
mbed_official | 573:ad23fe03a082 | 894 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 895 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 896 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 897 | } |
mbed_official | 573:ad23fe03a082 | 898 | |
mbed_official | 573:ad23fe03a082 | 899 | while(Size > 0) |
mbed_official | 573:ad23fe03a082 | 900 | { |
mbed_official | 573:ad23fe03a082 | 901 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 902 | if(I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 903 | { |
mbed_official | 573:ad23fe03a082 | 904 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 905 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 906 | if(hi2c->ErrorCode == HAL_I2C_ERROR_TIMEOUT) |
mbed_official | 573:ad23fe03a082 | 907 | { |
mbed_official | 573:ad23fe03a082 | 908 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 909 | } |
mbed_official | 573:ad23fe03a082 | 910 | else |
mbed_official | 573:ad23fe03a082 | 911 | { |
mbed_official | 573:ad23fe03a082 | 912 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 913 | } |
mbed_official | 573:ad23fe03a082 | 914 | } |
mbed_official | 573:ad23fe03a082 | 915 | |
mbed_official | 573:ad23fe03a082 | 916 | /* Read data from RXDR */ |
mbed_official | 573:ad23fe03a082 | 917 | (*pData++) = hi2c->Instance->RXDR; |
mbed_official | 573:ad23fe03a082 | 918 | Size--; |
mbed_official | 573:ad23fe03a082 | 919 | } |
mbed_official | 573:ad23fe03a082 | 920 | |
mbed_official | 573:ad23fe03a082 | 921 | /* Wait until STOP flag is set */ |
mbed_official | 573:ad23fe03a082 | 922 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 923 | { |
mbed_official | 573:ad23fe03a082 | 924 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 925 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 926 | |
mbed_official | 573:ad23fe03a082 | 927 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 928 | { |
mbed_official | 573:ad23fe03a082 | 929 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 930 | } |
mbed_official | 573:ad23fe03a082 | 931 | else |
mbed_official | 573:ad23fe03a082 | 932 | { |
mbed_official | 573:ad23fe03a082 | 933 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 934 | } |
mbed_official | 573:ad23fe03a082 | 935 | } |
mbed_official | 573:ad23fe03a082 | 936 | |
mbed_official | 573:ad23fe03a082 | 937 | /* Clear STOP flag */ |
mbed_official | 573:ad23fe03a082 | 938 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 939 | |
mbed_official | 573:ad23fe03a082 | 940 | /* Wait until BUSY flag is reset */ |
mbed_official | 573:ad23fe03a082 | 941 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 942 | { |
mbed_official | 573:ad23fe03a082 | 943 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 944 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 945 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 946 | } |
mbed_official | 573:ad23fe03a082 | 947 | |
mbed_official | 573:ad23fe03a082 | 948 | |
mbed_official | 573:ad23fe03a082 | 949 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 950 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 951 | |
mbed_official | 573:ad23fe03a082 | 952 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 953 | |
mbed_official | 573:ad23fe03a082 | 954 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 955 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 956 | |
mbed_official | 573:ad23fe03a082 | 957 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 958 | } |
mbed_official | 573:ad23fe03a082 | 959 | else |
mbed_official | 573:ad23fe03a082 | 960 | { |
mbed_official | 573:ad23fe03a082 | 961 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 962 | } |
mbed_official | 573:ad23fe03a082 | 963 | } |
mbed_official | 573:ad23fe03a082 | 964 | |
mbed_official | 573:ad23fe03a082 | 965 | /** |
mbed_official | 573:ad23fe03a082 | 966 | * @brief Transmit in master mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 573:ad23fe03a082 | 967 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 968 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 969 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 970 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 971 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 972 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 973 | */ |
mbed_official | 573:ad23fe03a082 | 974 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 975 | { |
mbed_official | 573:ad23fe03a082 | 976 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 977 | { |
mbed_official | 573:ad23fe03a082 | 978 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 979 | { |
mbed_official | 573:ad23fe03a082 | 980 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 981 | } |
mbed_official | 573:ad23fe03a082 | 982 | |
mbed_official | 573:ad23fe03a082 | 983 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 984 | { |
mbed_official | 573:ad23fe03a082 | 985 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 986 | } |
mbed_official | 573:ad23fe03a082 | 987 | |
mbed_official | 573:ad23fe03a082 | 988 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 989 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 990 | |
mbed_official | 573:ad23fe03a082 | 991 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 992 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 993 | |
mbed_official | 573:ad23fe03a082 | 994 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 995 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 996 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 997 | { |
mbed_official | 573:ad23fe03a082 | 998 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 999 | } |
mbed_official | 573:ad23fe03a082 | 1000 | else |
mbed_official | 573:ad23fe03a082 | 1001 | { |
mbed_official | 573:ad23fe03a082 | 1002 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1003 | } |
mbed_official | 573:ad23fe03a082 | 1004 | |
mbed_official | 573:ad23fe03a082 | 1005 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 1006 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 1007 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 1008 | { |
mbed_official | 573:ad23fe03a082 | 1009 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 1010 | } |
mbed_official | 573:ad23fe03a082 | 1011 | else |
mbed_official | 573:ad23fe03a082 | 1012 | { |
mbed_official | 573:ad23fe03a082 | 1013 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 1014 | } |
mbed_official | 573:ad23fe03a082 | 1015 | |
mbed_official | 573:ad23fe03a082 | 1016 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1017 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1018 | |
mbed_official | 573:ad23fe03a082 | 1019 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 573:ad23fe03a082 | 1020 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 573:ad23fe03a082 | 1021 | process unlock */ |
mbed_official | 573:ad23fe03a082 | 1022 | |
mbed_official | 573:ad23fe03a082 | 1023 | |
mbed_official | 573:ad23fe03a082 | 1024 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 1025 | /* possible to enable all of these */ |
mbed_official | 573:ad23fe03a082 | 1026 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 573:ad23fe03a082 | 1027 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 573:ad23fe03a082 | 1028 | |
mbed_official | 573:ad23fe03a082 | 1029 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1030 | } |
mbed_official | 573:ad23fe03a082 | 1031 | else |
mbed_official | 573:ad23fe03a082 | 1032 | { |
mbed_official | 573:ad23fe03a082 | 1033 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1034 | } |
mbed_official | 573:ad23fe03a082 | 1035 | } |
mbed_official | 573:ad23fe03a082 | 1036 | |
mbed_official | 573:ad23fe03a082 | 1037 | /** |
mbed_official | 573:ad23fe03a082 | 1038 | * @brief Receive in master mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 573:ad23fe03a082 | 1039 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1040 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1041 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1042 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1043 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1044 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1045 | */ |
mbed_official | 573:ad23fe03a082 | 1046 | HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1047 | { |
mbed_official | 573:ad23fe03a082 | 1048 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1049 | { |
mbed_official | 573:ad23fe03a082 | 1050 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1051 | { |
mbed_official | 573:ad23fe03a082 | 1052 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1053 | } |
mbed_official | 573:ad23fe03a082 | 1054 | |
mbed_official | 573:ad23fe03a082 | 1055 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1056 | { |
mbed_official | 573:ad23fe03a082 | 1057 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1058 | } |
mbed_official | 573:ad23fe03a082 | 1059 | |
mbed_official | 573:ad23fe03a082 | 1060 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1061 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1062 | |
mbed_official | 573:ad23fe03a082 | 1063 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 1064 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1065 | |
mbed_official | 573:ad23fe03a082 | 1066 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1067 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1068 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1069 | { |
mbed_official | 573:ad23fe03a082 | 1070 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 1071 | } |
mbed_official | 573:ad23fe03a082 | 1072 | else |
mbed_official | 573:ad23fe03a082 | 1073 | { |
mbed_official | 573:ad23fe03a082 | 1074 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1075 | } |
mbed_official | 573:ad23fe03a082 | 1076 | |
mbed_official | 573:ad23fe03a082 | 1077 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 1078 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 1079 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 1080 | { |
mbed_official | 573:ad23fe03a082 | 1081 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1082 | } |
mbed_official | 573:ad23fe03a082 | 1083 | else |
mbed_official | 573:ad23fe03a082 | 1084 | { |
mbed_official | 573:ad23fe03a082 | 1085 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1086 | } |
mbed_official | 573:ad23fe03a082 | 1087 | |
mbed_official | 573:ad23fe03a082 | 1088 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1089 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1090 | |
mbed_official | 573:ad23fe03a082 | 1091 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 573:ad23fe03a082 | 1092 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 573:ad23fe03a082 | 1093 | process unlock */ |
mbed_official | 573:ad23fe03a082 | 1094 | |
mbed_official | 573:ad23fe03a082 | 1095 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 1096 | /* possible to enable all of these */ |
mbed_official | 573:ad23fe03a082 | 1097 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 573:ad23fe03a082 | 1098 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 573:ad23fe03a082 | 1099 | |
mbed_official | 573:ad23fe03a082 | 1100 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1101 | } |
mbed_official | 573:ad23fe03a082 | 1102 | else |
mbed_official | 573:ad23fe03a082 | 1103 | { |
mbed_official | 573:ad23fe03a082 | 1104 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1105 | } |
mbed_official | 573:ad23fe03a082 | 1106 | } |
mbed_official | 573:ad23fe03a082 | 1107 | |
mbed_official | 573:ad23fe03a082 | 1108 | /** |
mbed_official | 573:ad23fe03a082 | 1109 | * @brief Transmit in slave mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 573:ad23fe03a082 | 1110 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1111 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1112 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1113 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1114 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1115 | */ |
mbed_official | 573:ad23fe03a082 | 1116 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1117 | { |
mbed_official | 573:ad23fe03a082 | 1118 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1119 | { |
mbed_official | 573:ad23fe03a082 | 1120 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1121 | { |
mbed_official | 573:ad23fe03a082 | 1122 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1123 | } |
mbed_official | 573:ad23fe03a082 | 1124 | |
mbed_official | 573:ad23fe03a082 | 1125 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1126 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1127 | |
mbed_official | 573:ad23fe03a082 | 1128 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 1129 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1130 | |
mbed_official | 573:ad23fe03a082 | 1131 | /* Enable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1132 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1133 | |
mbed_official | 573:ad23fe03a082 | 1134 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1135 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1136 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1137 | |
mbed_official | 573:ad23fe03a082 | 1138 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1139 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1140 | |
mbed_official | 573:ad23fe03a082 | 1141 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 573:ad23fe03a082 | 1142 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 573:ad23fe03a082 | 1143 | process unlock */ |
mbed_official | 573:ad23fe03a082 | 1144 | |
mbed_official | 573:ad23fe03a082 | 1145 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 1146 | /* possible to enable all of these */ |
mbed_official | 573:ad23fe03a082 | 1147 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 573:ad23fe03a082 | 1148 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_TXI ); |
mbed_official | 573:ad23fe03a082 | 1149 | |
mbed_official | 573:ad23fe03a082 | 1150 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1151 | } |
mbed_official | 573:ad23fe03a082 | 1152 | else |
mbed_official | 573:ad23fe03a082 | 1153 | { |
mbed_official | 573:ad23fe03a082 | 1154 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1155 | } |
mbed_official | 573:ad23fe03a082 | 1156 | } |
mbed_official | 573:ad23fe03a082 | 1157 | |
mbed_official | 573:ad23fe03a082 | 1158 | /** |
mbed_official | 573:ad23fe03a082 | 1159 | * @brief Receive in slave mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 573:ad23fe03a082 | 1160 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1161 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1162 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1163 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1164 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1165 | */ |
mbed_official | 573:ad23fe03a082 | 1166 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1167 | { |
mbed_official | 573:ad23fe03a082 | 1168 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1169 | { |
mbed_official | 573:ad23fe03a082 | 1170 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1171 | { |
mbed_official | 573:ad23fe03a082 | 1172 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1173 | } |
mbed_official | 573:ad23fe03a082 | 1174 | |
mbed_official | 573:ad23fe03a082 | 1175 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1176 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1177 | |
mbed_official | 573:ad23fe03a082 | 1178 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 1179 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1180 | |
mbed_official | 573:ad23fe03a082 | 1181 | /* Enable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1182 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1183 | |
mbed_official | 573:ad23fe03a082 | 1184 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1185 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1186 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1187 | |
mbed_official | 573:ad23fe03a082 | 1188 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1189 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1190 | |
mbed_official | 573:ad23fe03a082 | 1191 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 573:ad23fe03a082 | 1192 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 573:ad23fe03a082 | 1193 | process unlock */ |
mbed_official | 573:ad23fe03a082 | 1194 | |
mbed_official | 573:ad23fe03a082 | 1195 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 1196 | /* possible to enable all of these */ |
mbed_official | 573:ad23fe03a082 | 1197 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 573:ad23fe03a082 | 1198 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI); |
mbed_official | 573:ad23fe03a082 | 1199 | |
mbed_official | 573:ad23fe03a082 | 1200 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1201 | } |
mbed_official | 573:ad23fe03a082 | 1202 | else |
mbed_official | 573:ad23fe03a082 | 1203 | { |
mbed_official | 573:ad23fe03a082 | 1204 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1205 | } |
mbed_official | 573:ad23fe03a082 | 1206 | } |
mbed_official | 573:ad23fe03a082 | 1207 | |
mbed_official | 573:ad23fe03a082 | 1208 | /** |
mbed_official | 573:ad23fe03a082 | 1209 | * @brief Transmit in master mode an amount of data in no-blocking mode with DMA |
mbed_official | 573:ad23fe03a082 | 1210 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1211 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1212 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1213 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1214 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1215 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1216 | */ |
mbed_official | 573:ad23fe03a082 | 1217 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1218 | { |
mbed_official | 573:ad23fe03a082 | 1219 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1220 | { |
mbed_official | 573:ad23fe03a082 | 1221 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1222 | { |
mbed_official | 573:ad23fe03a082 | 1223 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1224 | } |
mbed_official | 573:ad23fe03a082 | 1225 | |
mbed_official | 573:ad23fe03a082 | 1226 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1227 | { |
mbed_official | 573:ad23fe03a082 | 1228 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1229 | } |
mbed_official | 573:ad23fe03a082 | 1230 | |
mbed_official | 573:ad23fe03a082 | 1231 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1232 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1233 | |
mbed_official | 573:ad23fe03a082 | 1234 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 1235 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1236 | |
mbed_official | 573:ad23fe03a082 | 1237 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1238 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1239 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1240 | { |
mbed_official | 573:ad23fe03a082 | 1241 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 1242 | } |
mbed_official | 573:ad23fe03a082 | 1243 | else |
mbed_official | 573:ad23fe03a082 | 1244 | { |
mbed_official | 573:ad23fe03a082 | 1245 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1246 | } |
mbed_official | 573:ad23fe03a082 | 1247 | |
mbed_official | 573:ad23fe03a082 | 1248 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 1249 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMasterTransmitCplt; |
mbed_official | 573:ad23fe03a082 | 1250 | |
mbed_official | 573:ad23fe03a082 | 1251 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 1252 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 573:ad23fe03a082 | 1253 | |
mbed_official | 573:ad23fe03a082 | 1254 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 1255 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 1256 | |
mbed_official | 573:ad23fe03a082 | 1257 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 1258 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 1259 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 1260 | { |
mbed_official | 573:ad23fe03a082 | 1261 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 1262 | } |
mbed_official | 573:ad23fe03a082 | 1263 | else |
mbed_official | 573:ad23fe03a082 | 1264 | { |
mbed_official | 573:ad23fe03a082 | 1265 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 1266 | } |
mbed_official | 573:ad23fe03a082 | 1267 | |
mbed_official | 573:ad23fe03a082 | 1268 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 1269 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1270 | { |
mbed_official | 573:ad23fe03a082 | 1271 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1272 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1273 | |
mbed_official | 573:ad23fe03a082 | 1274 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1275 | { |
mbed_official | 573:ad23fe03a082 | 1276 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1277 | } |
mbed_official | 573:ad23fe03a082 | 1278 | else |
mbed_official | 573:ad23fe03a082 | 1279 | { |
mbed_official | 573:ad23fe03a082 | 1280 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1281 | } |
mbed_official | 573:ad23fe03a082 | 1282 | } |
mbed_official | 573:ad23fe03a082 | 1283 | |
mbed_official | 573:ad23fe03a082 | 1284 | |
mbed_official | 573:ad23fe03a082 | 1285 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 1286 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 1287 | |
mbed_official | 573:ad23fe03a082 | 1288 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1289 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1290 | |
mbed_official | 573:ad23fe03a082 | 1291 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1292 | } |
mbed_official | 573:ad23fe03a082 | 1293 | else |
mbed_official | 573:ad23fe03a082 | 1294 | { |
mbed_official | 573:ad23fe03a082 | 1295 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1296 | } |
mbed_official | 573:ad23fe03a082 | 1297 | } |
mbed_official | 573:ad23fe03a082 | 1298 | |
mbed_official | 573:ad23fe03a082 | 1299 | /** |
mbed_official | 573:ad23fe03a082 | 1300 | * @brief Receive in master mode an amount of data in no-blocking mode with DMA |
mbed_official | 573:ad23fe03a082 | 1301 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1302 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1303 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1304 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1305 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1306 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1307 | */ |
mbed_official | 573:ad23fe03a082 | 1308 | HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1309 | { |
mbed_official | 573:ad23fe03a082 | 1310 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1311 | { |
mbed_official | 573:ad23fe03a082 | 1312 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1313 | { |
mbed_official | 573:ad23fe03a082 | 1314 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1315 | } |
mbed_official | 573:ad23fe03a082 | 1316 | |
mbed_official | 573:ad23fe03a082 | 1317 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1318 | { |
mbed_official | 573:ad23fe03a082 | 1319 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1320 | } |
mbed_official | 573:ad23fe03a082 | 1321 | |
mbed_official | 573:ad23fe03a082 | 1322 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1323 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1324 | |
mbed_official | 573:ad23fe03a082 | 1325 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 1326 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1327 | |
mbed_official | 573:ad23fe03a082 | 1328 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1329 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1330 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1331 | { |
mbed_official | 573:ad23fe03a082 | 1332 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 1333 | } |
mbed_official | 573:ad23fe03a082 | 1334 | else |
mbed_official | 573:ad23fe03a082 | 1335 | { |
mbed_official | 573:ad23fe03a082 | 1336 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1337 | } |
mbed_official | 573:ad23fe03a082 | 1338 | |
mbed_official | 573:ad23fe03a082 | 1339 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 1340 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMasterReceiveCplt; |
mbed_official | 573:ad23fe03a082 | 1341 | |
mbed_official | 573:ad23fe03a082 | 1342 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 1343 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 573:ad23fe03a082 | 1344 | |
mbed_official | 573:ad23fe03a082 | 1345 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 1346 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 1347 | |
mbed_official | 573:ad23fe03a082 | 1348 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 1349 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 1350 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 1351 | { |
mbed_official | 573:ad23fe03a082 | 1352 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1353 | } |
mbed_official | 573:ad23fe03a082 | 1354 | else |
mbed_official | 573:ad23fe03a082 | 1355 | { |
mbed_official | 573:ad23fe03a082 | 1356 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1357 | } |
mbed_official | 573:ad23fe03a082 | 1358 | |
mbed_official | 573:ad23fe03a082 | 1359 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 1360 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1361 | { |
mbed_official | 573:ad23fe03a082 | 1362 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1363 | } |
mbed_official | 573:ad23fe03a082 | 1364 | |
mbed_official | 573:ad23fe03a082 | 1365 | |
mbed_official | 573:ad23fe03a082 | 1366 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 1367 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 1368 | |
mbed_official | 573:ad23fe03a082 | 1369 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1370 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1371 | |
mbed_official | 573:ad23fe03a082 | 1372 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1373 | } |
mbed_official | 573:ad23fe03a082 | 1374 | else |
mbed_official | 573:ad23fe03a082 | 1375 | { |
mbed_official | 573:ad23fe03a082 | 1376 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1377 | } |
mbed_official | 573:ad23fe03a082 | 1378 | } |
mbed_official | 573:ad23fe03a082 | 1379 | |
mbed_official | 573:ad23fe03a082 | 1380 | /** |
mbed_official | 573:ad23fe03a082 | 1381 | * @brief Transmit in slave mode an amount of data in no-blocking mode with DMA |
mbed_official | 573:ad23fe03a082 | 1382 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1383 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1384 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1385 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1386 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1387 | */ |
mbed_official | 573:ad23fe03a082 | 1388 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1389 | { |
mbed_official | 573:ad23fe03a082 | 1390 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1391 | { |
mbed_official | 573:ad23fe03a082 | 1392 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1393 | { |
mbed_official | 573:ad23fe03a082 | 1394 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1395 | } |
mbed_official | 573:ad23fe03a082 | 1396 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1397 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1398 | |
mbed_official | 573:ad23fe03a082 | 1399 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 1400 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1401 | |
mbed_official | 573:ad23fe03a082 | 1402 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1403 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1404 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1405 | |
mbed_official | 573:ad23fe03a082 | 1406 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 1407 | hi2c->hdmatx->XferCpltCallback = I2C_DMASlaveTransmitCplt; |
mbed_official | 573:ad23fe03a082 | 1408 | |
mbed_official | 573:ad23fe03a082 | 1409 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 1410 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 573:ad23fe03a082 | 1411 | |
mbed_official | 573:ad23fe03a082 | 1412 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 1413 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 1414 | |
mbed_official | 573:ad23fe03a082 | 1415 | /* Enable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1416 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1417 | |
mbed_official | 573:ad23fe03a082 | 1418 | /* Wait until ADDR flag is set */ |
mbed_official | 573:ad23fe03a082 | 1419 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1420 | { |
mbed_official | 573:ad23fe03a082 | 1421 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1422 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1423 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1424 | } |
mbed_official | 573:ad23fe03a082 | 1425 | |
mbed_official | 573:ad23fe03a082 | 1426 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 1427 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 1428 | |
mbed_official | 573:ad23fe03a082 | 1429 | /* If 10bits addressing mode is selected */ |
mbed_official | 573:ad23fe03a082 | 1430 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 573:ad23fe03a082 | 1431 | { |
mbed_official | 573:ad23fe03a082 | 1432 | /* Wait until ADDR flag is set */ |
mbed_official | 573:ad23fe03a082 | 1433 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1434 | { |
mbed_official | 573:ad23fe03a082 | 1435 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1436 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1437 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1438 | } |
mbed_official | 573:ad23fe03a082 | 1439 | |
mbed_official | 573:ad23fe03a082 | 1440 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 1441 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 1442 | } |
mbed_official | 573:ad23fe03a082 | 1443 | |
mbed_official | 573:ad23fe03a082 | 1444 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 573:ad23fe03a082 | 1445 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1446 | { |
mbed_official | 573:ad23fe03a082 | 1447 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1448 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1449 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1450 | } |
mbed_official | 573:ad23fe03a082 | 1451 | |
mbed_official | 573:ad23fe03a082 | 1452 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 1453 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 1454 | |
mbed_official | 573:ad23fe03a082 | 1455 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1456 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1457 | |
mbed_official | 573:ad23fe03a082 | 1458 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1459 | } |
mbed_official | 573:ad23fe03a082 | 1460 | else |
mbed_official | 573:ad23fe03a082 | 1461 | { |
mbed_official | 573:ad23fe03a082 | 1462 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1463 | } |
mbed_official | 573:ad23fe03a082 | 1464 | } |
mbed_official | 573:ad23fe03a082 | 1465 | |
mbed_official | 573:ad23fe03a082 | 1466 | /** |
mbed_official | 573:ad23fe03a082 | 1467 | * @brief Receive in slave mode an amount of data in no-blocking mode with DMA |
mbed_official | 573:ad23fe03a082 | 1468 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1469 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1470 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1471 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1472 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1473 | */ |
mbed_official | 573:ad23fe03a082 | 1474 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1475 | { |
mbed_official | 573:ad23fe03a082 | 1476 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1477 | { |
mbed_official | 573:ad23fe03a082 | 1478 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1479 | { |
mbed_official | 573:ad23fe03a082 | 1480 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1481 | } |
mbed_official | 573:ad23fe03a082 | 1482 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1483 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1484 | |
mbed_official | 573:ad23fe03a082 | 1485 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 1486 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1487 | |
mbed_official | 573:ad23fe03a082 | 1488 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1489 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1490 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1491 | |
mbed_official | 573:ad23fe03a082 | 1492 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 1493 | hi2c->hdmarx->XferCpltCallback = I2C_DMASlaveReceiveCplt; |
mbed_official | 573:ad23fe03a082 | 1494 | |
mbed_official | 573:ad23fe03a082 | 1495 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 1496 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 573:ad23fe03a082 | 1497 | |
mbed_official | 573:ad23fe03a082 | 1498 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 1499 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, Size); |
mbed_official | 573:ad23fe03a082 | 1500 | |
mbed_official | 573:ad23fe03a082 | 1501 | /* Enable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1502 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1503 | |
mbed_official | 573:ad23fe03a082 | 1504 | /* Wait until ADDR flag is set */ |
mbed_official | 573:ad23fe03a082 | 1505 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1506 | { |
mbed_official | 573:ad23fe03a082 | 1507 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1508 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1509 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1510 | } |
mbed_official | 573:ad23fe03a082 | 1511 | |
mbed_official | 573:ad23fe03a082 | 1512 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 1513 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 1514 | |
mbed_official | 573:ad23fe03a082 | 1515 | /* Wait until DIR flag is set Receiver mode */ |
mbed_official | 573:ad23fe03a082 | 1516 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, I2C_TIMEOUT_DIR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1517 | { |
mbed_official | 573:ad23fe03a082 | 1518 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 1519 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 1520 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1521 | } |
mbed_official | 573:ad23fe03a082 | 1522 | |
mbed_official | 573:ad23fe03a082 | 1523 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 1524 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 1525 | |
mbed_official | 573:ad23fe03a082 | 1526 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1527 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1528 | |
mbed_official | 573:ad23fe03a082 | 1529 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1530 | } |
mbed_official | 573:ad23fe03a082 | 1531 | else |
mbed_official | 573:ad23fe03a082 | 1532 | { |
mbed_official | 573:ad23fe03a082 | 1533 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1534 | } |
mbed_official | 573:ad23fe03a082 | 1535 | } |
mbed_official | 573:ad23fe03a082 | 1536 | /** |
mbed_official | 573:ad23fe03a082 | 1537 | * @brief Write an amount of data in blocking mode to a specific memory address |
mbed_official | 573:ad23fe03a082 | 1538 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1539 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1540 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1541 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 1542 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 1543 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1544 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1545 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 1546 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1547 | */ |
mbed_official | 573:ad23fe03a082 | 1548 | HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 1549 | { |
mbed_official | 573:ad23fe03a082 | 1550 | uint32_t Sizetmp = 0; |
mbed_official | 573:ad23fe03a082 | 1551 | |
mbed_official | 573:ad23fe03a082 | 1552 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 1553 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 573:ad23fe03a082 | 1554 | |
mbed_official | 573:ad23fe03a082 | 1555 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1556 | { |
mbed_official | 573:ad23fe03a082 | 1557 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1558 | { |
mbed_official | 573:ad23fe03a082 | 1559 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1560 | } |
mbed_official | 573:ad23fe03a082 | 1561 | |
mbed_official | 573:ad23fe03a082 | 1562 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1563 | { |
mbed_official | 573:ad23fe03a082 | 1564 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1565 | } |
mbed_official | 573:ad23fe03a082 | 1566 | |
mbed_official | 573:ad23fe03a082 | 1567 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1568 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1569 | |
mbed_official | 573:ad23fe03a082 | 1570 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 1571 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1572 | |
mbed_official | 573:ad23fe03a082 | 1573 | /* Send Slave Address and Memory Address */ |
mbed_official | 573:ad23fe03a082 | 1574 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1575 | { |
mbed_official | 573:ad23fe03a082 | 1576 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1577 | { |
mbed_official | 573:ad23fe03a082 | 1578 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1579 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1580 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1581 | } |
mbed_official | 573:ad23fe03a082 | 1582 | else |
mbed_official | 573:ad23fe03a082 | 1583 | { |
mbed_official | 573:ad23fe03a082 | 1584 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1585 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1586 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1587 | } |
mbed_official | 573:ad23fe03a082 | 1588 | } |
mbed_official | 573:ad23fe03a082 | 1589 | |
mbed_official | 573:ad23fe03a082 | 1590 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 1591 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 573:ad23fe03a082 | 1592 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1593 | { |
mbed_official | 573:ad23fe03a082 | 1594 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1595 | Sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 1596 | } |
mbed_official | 573:ad23fe03a082 | 1597 | else |
mbed_official | 573:ad23fe03a082 | 1598 | { |
mbed_official | 573:ad23fe03a082 | 1599 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1600 | Sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 1601 | } |
mbed_official | 573:ad23fe03a082 | 1602 | |
mbed_official | 573:ad23fe03a082 | 1603 | do |
mbed_official | 573:ad23fe03a082 | 1604 | { |
mbed_official | 573:ad23fe03a082 | 1605 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 1606 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1607 | { |
mbed_official | 573:ad23fe03a082 | 1608 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1609 | { |
mbed_official | 573:ad23fe03a082 | 1610 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1611 | } |
mbed_official | 573:ad23fe03a082 | 1612 | else |
mbed_official | 573:ad23fe03a082 | 1613 | { |
mbed_official | 573:ad23fe03a082 | 1614 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1615 | } |
mbed_official | 573:ad23fe03a082 | 1616 | } |
mbed_official | 573:ad23fe03a082 | 1617 | |
mbed_official | 573:ad23fe03a082 | 1618 | /* Write data to DR */ |
mbed_official | 573:ad23fe03a082 | 1619 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 573:ad23fe03a082 | 1620 | Sizetmp--; |
mbed_official | 573:ad23fe03a082 | 1621 | Size--; |
mbed_official | 573:ad23fe03a082 | 1622 | |
mbed_official | 573:ad23fe03a082 | 1623 | if((Sizetmp == 0)&&(Size!=0)) |
mbed_official | 573:ad23fe03a082 | 1624 | { |
mbed_official | 573:ad23fe03a082 | 1625 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 1626 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1627 | { |
mbed_official | 573:ad23fe03a082 | 1628 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1629 | } |
mbed_official | 573:ad23fe03a082 | 1630 | |
mbed_official | 573:ad23fe03a082 | 1631 | |
mbed_official | 573:ad23fe03a082 | 1632 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1633 | { |
mbed_official | 573:ad23fe03a082 | 1634 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1635 | Sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 1636 | } |
mbed_official | 573:ad23fe03a082 | 1637 | else |
mbed_official | 573:ad23fe03a082 | 1638 | { |
mbed_official | 573:ad23fe03a082 | 1639 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1640 | Sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 1641 | } |
mbed_official | 573:ad23fe03a082 | 1642 | } |
mbed_official | 573:ad23fe03a082 | 1643 | |
mbed_official | 573:ad23fe03a082 | 1644 | }while(Size > 0); |
mbed_official | 573:ad23fe03a082 | 1645 | |
mbed_official | 573:ad23fe03a082 | 1646 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 1647 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 1648 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1649 | { |
mbed_official | 573:ad23fe03a082 | 1650 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1651 | { |
mbed_official | 573:ad23fe03a082 | 1652 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1653 | } |
mbed_official | 573:ad23fe03a082 | 1654 | else |
mbed_official | 573:ad23fe03a082 | 1655 | { |
mbed_official | 573:ad23fe03a082 | 1656 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1657 | } |
mbed_official | 573:ad23fe03a082 | 1658 | } |
mbed_official | 573:ad23fe03a082 | 1659 | |
mbed_official | 573:ad23fe03a082 | 1660 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 1661 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 1662 | |
mbed_official | 573:ad23fe03a082 | 1663 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 1664 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 1665 | |
mbed_official | 573:ad23fe03a082 | 1666 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1667 | |
mbed_official | 573:ad23fe03a082 | 1668 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1669 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1670 | |
mbed_official | 573:ad23fe03a082 | 1671 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1672 | } |
mbed_official | 573:ad23fe03a082 | 1673 | else |
mbed_official | 573:ad23fe03a082 | 1674 | { |
mbed_official | 573:ad23fe03a082 | 1675 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1676 | } |
mbed_official | 573:ad23fe03a082 | 1677 | } |
mbed_official | 573:ad23fe03a082 | 1678 | |
mbed_official | 573:ad23fe03a082 | 1679 | /** |
mbed_official | 573:ad23fe03a082 | 1680 | * @brief Read an amount of data in blocking mode from a specific memory address |
mbed_official | 573:ad23fe03a082 | 1681 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1682 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1683 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1684 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 1685 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 1686 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1687 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1688 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 1689 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1690 | */ |
mbed_official | 573:ad23fe03a082 | 1691 | HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 1692 | { |
mbed_official | 573:ad23fe03a082 | 1693 | uint32_t Sizetmp = 0; |
mbed_official | 573:ad23fe03a082 | 1694 | |
mbed_official | 573:ad23fe03a082 | 1695 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 1696 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 573:ad23fe03a082 | 1697 | |
mbed_official | 573:ad23fe03a082 | 1698 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1699 | { |
mbed_official | 573:ad23fe03a082 | 1700 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1701 | { |
mbed_official | 573:ad23fe03a082 | 1702 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1703 | } |
mbed_official | 573:ad23fe03a082 | 1704 | |
mbed_official | 573:ad23fe03a082 | 1705 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1706 | { |
mbed_official | 573:ad23fe03a082 | 1707 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1708 | } |
mbed_official | 573:ad23fe03a082 | 1709 | |
mbed_official | 573:ad23fe03a082 | 1710 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1711 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1712 | |
mbed_official | 573:ad23fe03a082 | 1713 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 1714 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1715 | |
mbed_official | 573:ad23fe03a082 | 1716 | /* Send Slave Address and Memory Address */ |
mbed_official | 573:ad23fe03a082 | 1717 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1718 | { |
mbed_official | 573:ad23fe03a082 | 1719 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1720 | { |
mbed_official | 573:ad23fe03a082 | 1721 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1722 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1723 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1724 | } |
mbed_official | 573:ad23fe03a082 | 1725 | else |
mbed_official | 573:ad23fe03a082 | 1726 | { |
mbed_official | 573:ad23fe03a082 | 1727 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1728 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1729 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1730 | } |
mbed_official | 573:ad23fe03a082 | 1731 | } |
mbed_official | 573:ad23fe03a082 | 1732 | |
mbed_official | 573:ad23fe03a082 | 1733 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 1734 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 1735 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 573:ad23fe03a082 | 1736 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1737 | { |
mbed_official | 573:ad23fe03a082 | 1738 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1739 | Sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 1740 | } |
mbed_official | 573:ad23fe03a082 | 1741 | else |
mbed_official | 573:ad23fe03a082 | 1742 | { |
mbed_official | 573:ad23fe03a082 | 1743 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1744 | Sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 1745 | } |
mbed_official | 573:ad23fe03a082 | 1746 | |
mbed_official | 573:ad23fe03a082 | 1747 | do |
mbed_official | 573:ad23fe03a082 | 1748 | { |
mbed_official | 573:ad23fe03a082 | 1749 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 1750 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1751 | { |
mbed_official | 573:ad23fe03a082 | 1752 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1753 | } |
mbed_official | 573:ad23fe03a082 | 1754 | |
mbed_official | 573:ad23fe03a082 | 1755 | /* Read data from RXDR */ |
mbed_official | 573:ad23fe03a082 | 1756 | (*pData++) = hi2c->Instance->RXDR; |
mbed_official | 573:ad23fe03a082 | 1757 | |
mbed_official | 573:ad23fe03a082 | 1758 | /* Decrement the Size counter */ |
mbed_official | 573:ad23fe03a082 | 1759 | Sizetmp--; |
mbed_official | 573:ad23fe03a082 | 1760 | Size--; |
mbed_official | 573:ad23fe03a082 | 1761 | |
mbed_official | 573:ad23fe03a082 | 1762 | if((Sizetmp == 0)&&(Size!=0)) |
mbed_official | 573:ad23fe03a082 | 1763 | { |
mbed_official | 573:ad23fe03a082 | 1764 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 1765 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1766 | { |
mbed_official | 573:ad23fe03a082 | 1767 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1768 | } |
mbed_official | 573:ad23fe03a082 | 1769 | |
mbed_official | 573:ad23fe03a082 | 1770 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1771 | { |
mbed_official | 573:ad23fe03a082 | 1772 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1773 | Sizetmp = 255; |
mbed_official | 573:ad23fe03a082 | 1774 | } |
mbed_official | 573:ad23fe03a082 | 1775 | else |
mbed_official | 573:ad23fe03a082 | 1776 | { |
mbed_official | 573:ad23fe03a082 | 1777 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1778 | Sizetmp = Size; |
mbed_official | 573:ad23fe03a082 | 1779 | } |
mbed_official | 573:ad23fe03a082 | 1780 | } |
mbed_official | 573:ad23fe03a082 | 1781 | |
mbed_official | 573:ad23fe03a082 | 1782 | }while(Size > 0); |
mbed_official | 573:ad23fe03a082 | 1783 | |
mbed_official | 573:ad23fe03a082 | 1784 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 1785 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 1786 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1787 | { |
mbed_official | 573:ad23fe03a082 | 1788 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1789 | { |
mbed_official | 573:ad23fe03a082 | 1790 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1791 | } |
mbed_official | 573:ad23fe03a082 | 1792 | else |
mbed_official | 573:ad23fe03a082 | 1793 | { |
mbed_official | 573:ad23fe03a082 | 1794 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1795 | } |
mbed_official | 573:ad23fe03a082 | 1796 | } |
mbed_official | 573:ad23fe03a082 | 1797 | |
mbed_official | 573:ad23fe03a082 | 1798 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 1799 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 1800 | |
mbed_official | 573:ad23fe03a082 | 1801 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 1802 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 1803 | |
mbed_official | 573:ad23fe03a082 | 1804 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1805 | |
mbed_official | 573:ad23fe03a082 | 1806 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1807 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1808 | |
mbed_official | 573:ad23fe03a082 | 1809 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1810 | } |
mbed_official | 573:ad23fe03a082 | 1811 | else |
mbed_official | 573:ad23fe03a082 | 1812 | { |
mbed_official | 573:ad23fe03a082 | 1813 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1814 | } |
mbed_official | 573:ad23fe03a082 | 1815 | } |
mbed_official | 573:ad23fe03a082 | 1816 | /** |
mbed_official | 573:ad23fe03a082 | 1817 | * @brief Write an amount of data in no-blocking mode with Interrupt to a specific memory address |
mbed_official | 573:ad23fe03a082 | 1818 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1819 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1820 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1821 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 1822 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 1823 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1824 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1825 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1826 | */ |
mbed_official | 573:ad23fe03a082 | 1827 | HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1828 | { |
mbed_official | 573:ad23fe03a082 | 1829 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 1830 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 573:ad23fe03a082 | 1831 | |
mbed_official | 573:ad23fe03a082 | 1832 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1833 | { |
mbed_official | 573:ad23fe03a082 | 1834 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1835 | { |
mbed_official | 573:ad23fe03a082 | 1836 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1837 | } |
mbed_official | 573:ad23fe03a082 | 1838 | |
mbed_official | 573:ad23fe03a082 | 1839 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1840 | { |
mbed_official | 573:ad23fe03a082 | 1841 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1842 | } |
mbed_official | 573:ad23fe03a082 | 1843 | |
mbed_official | 573:ad23fe03a082 | 1844 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1845 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1846 | |
mbed_official | 573:ad23fe03a082 | 1847 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 1848 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1849 | |
mbed_official | 573:ad23fe03a082 | 1850 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1851 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1852 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1853 | { |
mbed_official | 573:ad23fe03a082 | 1854 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 1855 | } |
mbed_official | 573:ad23fe03a082 | 1856 | else |
mbed_official | 573:ad23fe03a082 | 1857 | { |
mbed_official | 573:ad23fe03a082 | 1858 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1859 | } |
mbed_official | 573:ad23fe03a082 | 1860 | |
mbed_official | 573:ad23fe03a082 | 1861 | /* Send Slave Address and Memory Address */ |
mbed_official | 573:ad23fe03a082 | 1862 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1863 | { |
mbed_official | 573:ad23fe03a082 | 1864 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1865 | { |
mbed_official | 573:ad23fe03a082 | 1866 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1867 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1868 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1869 | } |
mbed_official | 573:ad23fe03a082 | 1870 | else |
mbed_official | 573:ad23fe03a082 | 1871 | { |
mbed_official | 573:ad23fe03a082 | 1872 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1873 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1874 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1875 | } |
mbed_official | 573:ad23fe03a082 | 1876 | } |
mbed_official | 573:ad23fe03a082 | 1877 | |
mbed_official | 573:ad23fe03a082 | 1878 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 1879 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 573:ad23fe03a082 | 1880 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 1881 | { |
mbed_official | 573:ad23fe03a082 | 1882 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1883 | } |
mbed_official | 573:ad23fe03a082 | 1884 | else |
mbed_official | 573:ad23fe03a082 | 1885 | { |
mbed_official | 573:ad23fe03a082 | 1886 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 1887 | } |
mbed_official | 573:ad23fe03a082 | 1888 | |
mbed_official | 573:ad23fe03a082 | 1889 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1890 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1891 | |
mbed_official | 573:ad23fe03a082 | 1892 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 573:ad23fe03a082 | 1893 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 573:ad23fe03a082 | 1894 | process unlock */ |
mbed_official | 573:ad23fe03a082 | 1895 | |
mbed_official | 573:ad23fe03a082 | 1896 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 1897 | /* possible to enable all of these */ |
mbed_official | 573:ad23fe03a082 | 1898 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 573:ad23fe03a082 | 1899 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 573:ad23fe03a082 | 1900 | |
mbed_official | 573:ad23fe03a082 | 1901 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1902 | } |
mbed_official | 573:ad23fe03a082 | 1903 | else |
mbed_official | 573:ad23fe03a082 | 1904 | { |
mbed_official | 573:ad23fe03a082 | 1905 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1906 | } |
mbed_official | 573:ad23fe03a082 | 1907 | } |
mbed_official | 573:ad23fe03a082 | 1908 | |
mbed_official | 573:ad23fe03a082 | 1909 | /** |
mbed_official | 573:ad23fe03a082 | 1910 | * @brief Read an amount of data in no-blocking mode with Interrupt from a specific memory address |
mbed_official | 573:ad23fe03a082 | 1911 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1912 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 1913 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 1914 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 1915 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 1916 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 1917 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 1918 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1919 | */ |
mbed_official | 573:ad23fe03a082 | 1920 | HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 1921 | { |
mbed_official | 573:ad23fe03a082 | 1922 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 1923 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 573:ad23fe03a082 | 1924 | |
mbed_official | 573:ad23fe03a082 | 1925 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 1926 | { |
mbed_official | 573:ad23fe03a082 | 1927 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 1928 | { |
mbed_official | 573:ad23fe03a082 | 1929 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1930 | } |
mbed_official | 573:ad23fe03a082 | 1931 | |
mbed_official | 573:ad23fe03a082 | 1932 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 1933 | { |
mbed_official | 573:ad23fe03a082 | 1934 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1935 | } |
mbed_official | 573:ad23fe03a082 | 1936 | |
mbed_official | 573:ad23fe03a082 | 1937 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 1938 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1939 | |
mbed_official | 573:ad23fe03a082 | 1940 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 1941 | |
mbed_official | 573:ad23fe03a082 | 1942 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 1943 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 1944 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 1945 | { |
mbed_official | 573:ad23fe03a082 | 1946 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 1947 | } |
mbed_official | 573:ad23fe03a082 | 1948 | else |
mbed_official | 573:ad23fe03a082 | 1949 | { |
mbed_official | 573:ad23fe03a082 | 1950 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 1951 | } |
mbed_official | 573:ad23fe03a082 | 1952 | |
mbed_official | 573:ad23fe03a082 | 1953 | /* Send Slave Address and Memory Address */ |
mbed_official | 573:ad23fe03a082 | 1954 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1955 | { |
mbed_official | 573:ad23fe03a082 | 1956 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 1957 | { |
mbed_official | 573:ad23fe03a082 | 1958 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1959 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1960 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1961 | } |
mbed_official | 573:ad23fe03a082 | 1962 | else |
mbed_official | 573:ad23fe03a082 | 1963 | { |
mbed_official | 573:ad23fe03a082 | 1964 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1965 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1966 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1967 | } |
mbed_official | 573:ad23fe03a082 | 1968 | } |
mbed_official | 573:ad23fe03a082 | 1969 | |
mbed_official | 573:ad23fe03a082 | 1970 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 1971 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 573:ad23fe03a082 | 1972 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 1973 | { |
mbed_official | 573:ad23fe03a082 | 1974 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1975 | } |
mbed_official | 573:ad23fe03a082 | 1976 | else |
mbed_official | 573:ad23fe03a082 | 1977 | { |
mbed_official | 573:ad23fe03a082 | 1978 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 1979 | } |
mbed_official | 573:ad23fe03a082 | 1980 | |
mbed_official | 573:ad23fe03a082 | 1981 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1982 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 1983 | |
mbed_official | 573:ad23fe03a082 | 1984 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 573:ad23fe03a082 | 1985 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 573:ad23fe03a082 | 1986 | process unlock */ |
mbed_official | 573:ad23fe03a082 | 1987 | |
mbed_official | 573:ad23fe03a082 | 1988 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 1989 | /* possible to enable all of these */ |
mbed_official | 573:ad23fe03a082 | 1990 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 573:ad23fe03a082 | 1991 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 573:ad23fe03a082 | 1992 | |
mbed_official | 573:ad23fe03a082 | 1993 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1994 | } |
mbed_official | 573:ad23fe03a082 | 1995 | else |
mbed_official | 573:ad23fe03a082 | 1996 | { |
mbed_official | 573:ad23fe03a082 | 1997 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1998 | } |
mbed_official | 573:ad23fe03a082 | 1999 | } |
mbed_official | 573:ad23fe03a082 | 2000 | /** |
mbed_official | 573:ad23fe03a082 | 2001 | * @brief Write an amount of data in no-blocking mode with DMA to a specific memory address |
mbed_official | 573:ad23fe03a082 | 2002 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2003 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2004 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 2005 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 2006 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 2007 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 2008 | * @param Size: Amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 2009 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2010 | */ |
mbed_official | 573:ad23fe03a082 | 2011 | HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 2012 | { |
mbed_official | 573:ad23fe03a082 | 2013 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 2014 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 573:ad23fe03a082 | 2015 | |
mbed_official | 573:ad23fe03a082 | 2016 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 2017 | { |
mbed_official | 573:ad23fe03a082 | 2018 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 2019 | { |
mbed_official | 573:ad23fe03a082 | 2020 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2021 | } |
mbed_official | 573:ad23fe03a082 | 2022 | |
mbed_official | 573:ad23fe03a082 | 2023 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 2024 | { |
mbed_official | 573:ad23fe03a082 | 2025 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 2026 | } |
mbed_official | 573:ad23fe03a082 | 2027 | |
mbed_official | 573:ad23fe03a082 | 2028 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 2029 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2030 | |
mbed_official | 573:ad23fe03a082 | 2031 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 2032 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 2033 | |
mbed_official | 573:ad23fe03a082 | 2034 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 2035 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 2036 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 2037 | { |
mbed_official | 573:ad23fe03a082 | 2038 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 2039 | } |
mbed_official | 573:ad23fe03a082 | 2040 | else |
mbed_official | 573:ad23fe03a082 | 2041 | { |
mbed_official | 573:ad23fe03a082 | 2042 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 2043 | } |
mbed_official | 573:ad23fe03a082 | 2044 | |
mbed_official | 573:ad23fe03a082 | 2045 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 2046 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMemTransmitCplt; |
mbed_official | 573:ad23fe03a082 | 2047 | |
mbed_official | 573:ad23fe03a082 | 2048 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 2049 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 573:ad23fe03a082 | 2050 | |
mbed_official | 573:ad23fe03a082 | 2051 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 2052 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 2053 | |
mbed_official | 573:ad23fe03a082 | 2054 | /* Send Slave Address and Memory Address */ |
mbed_official | 573:ad23fe03a082 | 2055 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2056 | { |
mbed_official | 573:ad23fe03a082 | 2057 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 2058 | { |
mbed_official | 573:ad23fe03a082 | 2059 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2060 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2061 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2062 | } |
mbed_official | 573:ad23fe03a082 | 2063 | else |
mbed_official | 573:ad23fe03a082 | 2064 | { |
mbed_official | 573:ad23fe03a082 | 2065 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2066 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2067 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2068 | } |
mbed_official | 573:ad23fe03a082 | 2069 | } |
mbed_official | 573:ad23fe03a082 | 2070 | |
mbed_official | 573:ad23fe03a082 | 2071 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 2072 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 2073 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 2074 | { |
mbed_official | 573:ad23fe03a082 | 2075 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 2076 | } |
mbed_official | 573:ad23fe03a082 | 2077 | else |
mbed_official | 573:ad23fe03a082 | 2078 | { |
mbed_official | 573:ad23fe03a082 | 2079 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 2080 | } |
mbed_official | 573:ad23fe03a082 | 2081 | |
mbed_official | 573:ad23fe03a082 | 2082 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 2083 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2084 | { |
mbed_official | 573:ad23fe03a082 | 2085 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 2086 | { |
mbed_official | 573:ad23fe03a082 | 2087 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2088 | } |
mbed_official | 573:ad23fe03a082 | 2089 | else |
mbed_official | 573:ad23fe03a082 | 2090 | { |
mbed_official | 573:ad23fe03a082 | 2091 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2092 | } |
mbed_official | 573:ad23fe03a082 | 2093 | } |
mbed_official | 573:ad23fe03a082 | 2094 | |
mbed_official | 573:ad23fe03a082 | 2095 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 2096 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 2097 | |
mbed_official | 573:ad23fe03a082 | 2098 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2099 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2100 | |
mbed_official | 573:ad23fe03a082 | 2101 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2102 | } |
mbed_official | 573:ad23fe03a082 | 2103 | else |
mbed_official | 573:ad23fe03a082 | 2104 | { |
mbed_official | 573:ad23fe03a082 | 2105 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 2106 | } |
mbed_official | 573:ad23fe03a082 | 2107 | } |
mbed_official | 573:ad23fe03a082 | 2108 | |
mbed_official | 573:ad23fe03a082 | 2109 | /** |
mbed_official | 573:ad23fe03a082 | 2110 | * @brief Reads an amount of data in no-blocking mode with DMA from a specific memory address. |
mbed_official | 573:ad23fe03a082 | 2111 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2112 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2113 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 2114 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 2115 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 2116 | * @param pData: Pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 2117 | * @param Size: Amount of data to be read |
mbed_official | 573:ad23fe03a082 | 2118 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2119 | */ |
mbed_official | 573:ad23fe03a082 | 2120 | HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 2121 | { |
mbed_official | 573:ad23fe03a082 | 2122 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 2123 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 573:ad23fe03a082 | 2124 | |
mbed_official | 573:ad23fe03a082 | 2125 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 2126 | { |
mbed_official | 573:ad23fe03a082 | 2127 | if((pData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 2128 | { |
mbed_official | 573:ad23fe03a082 | 2129 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2130 | } |
mbed_official | 573:ad23fe03a082 | 2131 | |
mbed_official | 573:ad23fe03a082 | 2132 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 2133 | { |
mbed_official | 573:ad23fe03a082 | 2134 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 2135 | } |
mbed_official | 573:ad23fe03a082 | 2136 | |
mbed_official | 573:ad23fe03a082 | 2137 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 2138 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2139 | |
mbed_official | 573:ad23fe03a082 | 2140 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 2141 | |
mbed_official | 573:ad23fe03a082 | 2142 | hi2c->pBuffPtr = pData; |
mbed_official | 573:ad23fe03a082 | 2143 | hi2c->XferCount = Size; |
mbed_official | 573:ad23fe03a082 | 2144 | if(Size > 255) |
mbed_official | 573:ad23fe03a082 | 2145 | { |
mbed_official | 573:ad23fe03a082 | 2146 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 2147 | } |
mbed_official | 573:ad23fe03a082 | 2148 | else |
mbed_official | 573:ad23fe03a082 | 2149 | { |
mbed_official | 573:ad23fe03a082 | 2150 | hi2c->XferSize = Size; |
mbed_official | 573:ad23fe03a082 | 2151 | } |
mbed_official | 573:ad23fe03a082 | 2152 | |
mbed_official | 573:ad23fe03a082 | 2153 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 2154 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMemReceiveCplt; |
mbed_official | 573:ad23fe03a082 | 2155 | |
mbed_official | 573:ad23fe03a082 | 2156 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 2157 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 573:ad23fe03a082 | 2158 | |
mbed_official | 573:ad23fe03a082 | 2159 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 2160 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 2161 | |
mbed_official | 573:ad23fe03a082 | 2162 | /* Send Slave Address and Memory Address */ |
mbed_official | 573:ad23fe03a082 | 2163 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2164 | { |
mbed_official | 573:ad23fe03a082 | 2165 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 2166 | { |
mbed_official | 573:ad23fe03a082 | 2167 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2168 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2169 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2170 | } |
mbed_official | 573:ad23fe03a082 | 2171 | else |
mbed_official | 573:ad23fe03a082 | 2172 | { |
mbed_official | 573:ad23fe03a082 | 2173 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2174 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2175 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2176 | } |
mbed_official | 573:ad23fe03a082 | 2177 | } |
mbed_official | 573:ad23fe03a082 | 2178 | |
mbed_official | 573:ad23fe03a082 | 2179 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 573:ad23fe03a082 | 2180 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 2181 | { |
mbed_official | 573:ad23fe03a082 | 2182 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 2183 | } |
mbed_official | 573:ad23fe03a082 | 2184 | else |
mbed_official | 573:ad23fe03a082 | 2185 | { |
mbed_official | 573:ad23fe03a082 | 2186 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 573:ad23fe03a082 | 2187 | } |
mbed_official | 573:ad23fe03a082 | 2188 | |
mbed_official | 573:ad23fe03a082 | 2189 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 2190 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2191 | { |
mbed_official | 573:ad23fe03a082 | 2192 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2193 | } |
mbed_official | 573:ad23fe03a082 | 2194 | |
mbed_official | 573:ad23fe03a082 | 2195 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 2196 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 2197 | |
mbed_official | 573:ad23fe03a082 | 2198 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2199 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2200 | |
mbed_official | 573:ad23fe03a082 | 2201 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2202 | } |
mbed_official | 573:ad23fe03a082 | 2203 | else |
mbed_official | 573:ad23fe03a082 | 2204 | { |
mbed_official | 573:ad23fe03a082 | 2205 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 2206 | } |
mbed_official | 573:ad23fe03a082 | 2207 | } |
mbed_official | 573:ad23fe03a082 | 2208 | |
mbed_official | 573:ad23fe03a082 | 2209 | /** |
mbed_official | 573:ad23fe03a082 | 2210 | * @brief Checks if target device is ready for communication. |
mbed_official | 573:ad23fe03a082 | 2211 | * @note This function is used with Memory devices |
mbed_official | 573:ad23fe03a082 | 2212 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2213 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2214 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 2215 | * @param Trials: Number of trials |
mbed_official | 573:ad23fe03a082 | 2216 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 2217 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2218 | */ |
mbed_official | 573:ad23fe03a082 | 2219 | HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 2220 | { |
mbed_official | 573:ad23fe03a082 | 2221 | uint32_t tickstart = 0; |
mbed_official | 573:ad23fe03a082 | 2222 | |
mbed_official | 573:ad23fe03a082 | 2223 | __IO uint32_t I2C_Trials = 0; |
mbed_official | 573:ad23fe03a082 | 2224 | |
mbed_official | 573:ad23fe03a082 | 2225 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 2226 | { |
mbed_official | 573:ad23fe03a082 | 2227 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 573:ad23fe03a082 | 2228 | { |
mbed_official | 573:ad23fe03a082 | 2229 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 2230 | } |
mbed_official | 573:ad23fe03a082 | 2231 | |
mbed_official | 573:ad23fe03a082 | 2232 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 2233 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2234 | |
mbed_official | 573:ad23fe03a082 | 2235 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 573:ad23fe03a082 | 2236 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 2237 | |
mbed_official | 573:ad23fe03a082 | 2238 | do |
mbed_official | 573:ad23fe03a082 | 2239 | { |
mbed_official | 573:ad23fe03a082 | 2240 | /* Generate Start */ |
mbed_official | 573:ad23fe03a082 | 2241 | hi2c->Instance->CR2 = I2C_GENERATE_START(hi2c->Init.AddressingMode,DevAddress); |
mbed_official | 573:ad23fe03a082 | 2242 | |
mbed_official | 573:ad23fe03a082 | 2243 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 2244 | /* Wait until STOPF flag is set or a NACK flag is set*/ |
mbed_official | 573:ad23fe03a082 | 2245 | tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 2246 | while((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET) && (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == RESET) && (hi2c->State != HAL_I2C_STATE_TIMEOUT)) |
mbed_official | 573:ad23fe03a082 | 2247 | { |
mbed_official | 573:ad23fe03a082 | 2248 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 2249 | { |
mbed_official | 573:ad23fe03a082 | 2250 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 2251 | { |
mbed_official | 573:ad23fe03a082 | 2252 | /* Device is ready */ |
mbed_official | 573:ad23fe03a082 | 2253 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2254 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2255 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2256 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2257 | } |
mbed_official | 573:ad23fe03a082 | 2258 | } |
mbed_official | 573:ad23fe03a082 | 2259 | } |
mbed_official | 573:ad23fe03a082 | 2260 | |
mbed_official | 573:ad23fe03a082 | 2261 | /* Check if the NACKF flag has not been set */ |
mbed_official | 573:ad23fe03a082 | 2262 | if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == RESET) |
mbed_official | 573:ad23fe03a082 | 2263 | { |
mbed_official | 573:ad23fe03a082 | 2264 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 2265 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2266 | { |
mbed_official | 573:ad23fe03a082 | 2267 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2268 | } |
mbed_official | 573:ad23fe03a082 | 2269 | |
mbed_official | 573:ad23fe03a082 | 2270 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 2271 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2272 | |
mbed_official | 573:ad23fe03a082 | 2273 | /* Device is ready */ |
mbed_official | 573:ad23fe03a082 | 2274 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2275 | |
mbed_official | 573:ad23fe03a082 | 2276 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2277 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2278 | |
mbed_official | 573:ad23fe03a082 | 2279 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2280 | } |
mbed_official | 573:ad23fe03a082 | 2281 | else |
mbed_official | 573:ad23fe03a082 | 2282 | { |
mbed_official | 573:ad23fe03a082 | 2283 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 2284 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2285 | { |
mbed_official | 573:ad23fe03a082 | 2286 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2287 | } |
mbed_official | 573:ad23fe03a082 | 2288 | |
mbed_official | 573:ad23fe03a082 | 2289 | /* Clear NACK Flag */ |
mbed_official | 573:ad23fe03a082 | 2290 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 2291 | |
mbed_official | 573:ad23fe03a082 | 2292 | /* Clear STOP Flag, auto generated with autoend*/ |
mbed_official | 573:ad23fe03a082 | 2293 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2294 | } |
mbed_official | 573:ad23fe03a082 | 2295 | |
mbed_official | 573:ad23fe03a082 | 2296 | /* Check if the maximum allowed number of trials has been reached */ |
mbed_official | 573:ad23fe03a082 | 2297 | if (I2C_Trials++ == Trials) |
mbed_official | 573:ad23fe03a082 | 2298 | { |
mbed_official | 573:ad23fe03a082 | 2299 | /* Generate Stop */ |
mbed_official | 573:ad23fe03a082 | 2300 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 573:ad23fe03a082 | 2301 | |
mbed_official | 573:ad23fe03a082 | 2302 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 2303 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2304 | { |
mbed_official | 573:ad23fe03a082 | 2305 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2306 | } |
mbed_official | 573:ad23fe03a082 | 2307 | |
mbed_official | 573:ad23fe03a082 | 2308 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 2309 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2310 | } |
mbed_official | 573:ad23fe03a082 | 2311 | }while(I2C_Trials < Trials); |
mbed_official | 573:ad23fe03a082 | 2312 | |
mbed_official | 573:ad23fe03a082 | 2313 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2314 | |
mbed_official | 573:ad23fe03a082 | 2315 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2316 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2317 | |
mbed_official | 573:ad23fe03a082 | 2318 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2319 | } |
mbed_official | 573:ad23fe03a082 | 2320 | else |
mbed_official | 573:ad23fe03a082 | 2321 | { |
mbed_official | 573:ad23fe03a082 | 2322 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 2323 | } |
mbed_official | 573:ad23fe03a082 | 2324 | } |
mbed_official | 573:ad23fe03a082 | 2325 | /** |
mbed_official | 573:ad23fe03a082 | 2326 | * @} |
mbed_official | 573:ad23fe03a082 | 2327 | */ |
mbed_official | 573:ad23fe03a082 | 2328 | |
mbed_official | 573:ad23fe03a082 | 2329 | /** @defgroup IRQ_Handler_and_Callbacks IRQ Handler and Callbacks |
mbed_official | 573:ad23fe03a082 | 2330 | * @{ |
mbed_official | 573:ad23fe03a082 | 2331 | */ |
mbed_official | 573:ad23fe03a082 | 2332 | |
mbed_official | 573:ad23fe03a082 | 2333 | /** |
mbed_official | 573:ad23fe03a082 | 2334 | * @brief This function handles I2C event interrupt request. |
mbed_official | 573:ad23fe03a082 | 2335 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2336 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2337 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2338 | */ |
mbed_official | 573:ad23fe03a082 | 2339 | void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2340 | { |
mbed_official | 573:ad23fe03a082 | 2341 | /* I2C in mode Transmitter ---------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 2342 | if (((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET)) && (__HAL_I2C_GET_IT_SOURCE(hi2c, (I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_TXI | I2C_IT_ADDRI)) == SET)) |
mbed_official | 573:ad23fe03a082 | 2343 | { |
mbed_official | 573:ad23fe03a082 | 2344 | /* Slave mode selected */ |
mbed_official | 573:ad23fe03a082 | 2345 | if (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 2346 | { |
mbed_official | 573:ad23fe03a082 | 2347 | I2C_SlaveTransmit_ISR(hi2c); |
mbed_official | 573:ad23fe03a082 | 2348 | } |
mbed_official | 573:ad23fe03a082 | 2349 | } |
mbed_official | 573:ad23fe03a082 | 2350 | |
mbed_official | 573:ad23fe03a082 | 2351 | if (((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET)) && (__HAL_I2C_GET_IT_SOURCE(hi2c, (I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_TXI)) == SET)) |
mbed_official | 573:ad23fe03a082 | 2352 | { |
mbed_official | 573:ad23fe03a082 | 2353 | /* Master mode selected */ |
mbed_official | 573:ad23fe03a082 | 2354 | if ((hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX)) |
mbed_official | 573:ad23fe03a082 | 2355 | { |
mbed_official | 573:ad23fe03a082 | 2356 | I2C_MasterTransmit_ISR(hi2c); |
mbed_official | 573:ad23fe03a082 | 2357 | } |
mbed_official | 573:ad23fe03a082 | 2358 | } |
mbed_official | 573:ad23fe03a082 | 2359 | |
mbed_official | 573:ad23fe03a082 | 2360 | /* I2C in mode Receiver ----------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 2361 | if (((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET)) && (__HAL_I2C_GET_IT_SOURCE(hi2c, (I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI | I2C_IT_ADDRI)) == SET)) |
mbed_official | 573:ad23fe03a082 | 2362 | { |
mbed_official | 573:ad23fe03a082 | 2363 | /* Slave mode selected */ |
mbed_official | 573:ad23fe03a082 | 2364 | if (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 2365 | { |
mbed_official | 573:ad23fe03a082 | 2366 | I2C_SlaveReceive_ISR(hi2c); |
mbed_official | 573:ad23fe03a082 | 2367 | } |
mbed_official | 573:ad23fe03a082 | 2368 | } |
mbed_official | 573:ad23fe03a082 | 2369 | if (((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) || (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET)) && (__HAL_I2C_GET_IT_SOURCE(hi2c, (I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI)) == SET)) |
mbed_official | 573:ad23fe03a082 | 2370 | { |
mbed_official | 573:ad23fe03a082 | 2371 | /* Master mode selected */ |
mbed_official | 573:ad23fe03a082 | 2372 | if ((hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX) || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX)) |
mbed_official | 573:ad23fe03a082 | 2373 | { |
mbed_official | 573:ad23fe03a082 | 2374 | I2C_MasterReceive_ISR(hi2c); |
mbed_official | 573:ad23fe03a082 | 2375 | } |
mbed_official | 573:ad23fe03a082 | 2376 | } |
mbed_official | 573:ad23fe03a082 | 2377 | } |
mbed_official | 573:ad23fe03a082 | 2378 | |
mbed_official | 573:ad23fe03a082 | 2379 | /** |
mbed_official | 573:ad23fe03a082 | 2380 | * @brief This function handles I2C error interrupt request. |
mbed_official | 573:ad23fe03a082 | 2381 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2382 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2383 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2384 | */ |
mbed_official | 573:ad23fe03a082 | 2385 | void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2386 | { |
mbed_official | 573:ad23fe03a082 | 2387 | /* I2C Bus error interrupt occurred ------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 2388 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BERR) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 573:ad23fe03a082 | 2389 | { |
mbed_official | 573:ad23fe03a082 | 2390 | hi2c->ErrorCode |= HAL_I2C_ERROR_BERR; |
mbed_official | 573:ad23fe03a082 | 2391 | |
mbed_official | 573:ad23fe03a082 | 2392 | /* Clear BERR flag */ |
mbed_official | 573:ad23fe03a082 | 2393 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_BERR); |
mbed_official | 573:ad23fe03a082 | 2394 | } |
mbed_official | 573:ad23fe03a082 | 2395 | |
mbed_official | 573:ad23fe03a082 | 2396 | /* I2C Over-Run/Under-Run interrupt occurred ----------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 2397 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_OVR) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 573:ad23fe03a082 | 2398 | { |
mbed_official | 573:ad23fe03a082 | 2399 | hi2c->ErrorCode |= HAL_I2C_ERROR_OVR; |
mbed_official | 573:ad23fe03a082 | 2400 | |
mbed_official | 573:ad23fe03a082 | 2401 | /* Clear OVR flag */ |
mbed_official | 573:ad23fe03a082 | 2402 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR); |
mbed_official | 573:ad23fe03a082 | 2403 | } |
mbed_official | 573:ad23fe03a082 | 2404 | |
mbed_official | 573:ad23fe03a082 | 2405 | /* I2C Arbitration Loss error interrupt occurred -------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 2406 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ARLO) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 573:ad23fe03a082 | 2407 | { |
mbed_official | 573:ad23fe03a082 | 2408 | hi2c->ErrorCode |= HAL_I2C_ERROR_ARLO; |
mbed_official | 573:ad23fe03a082 | 2409 | |
mbed_official | 573:ad23fe03a082 | 2410 | /* Clear ARLO flag */ |
mbed_official | 573:ad23fe03a082 | 2411 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ARLO); |
mbed_official | 573:ad23fe03a082 | 2412 | } |
mbed_official | 573:ad23fe03a082 | 2413 | |
mbed_official | 573:ad23fe03a082 | 2414 | /* Call the Error Callback in case of Error detected */ |
mbed_official | 573:ad23fe03a082 | 2415 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 2416 | { |
mbed_official | 573:ad23fe03a082 | 2417 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2418 | |
mbed_official | 573:ad23fe03a082 | 2419 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2420 | } |
mbed_official | 573:ad23fe03a082 | 2421 | } |
mbed_official | 573:ad23fe03a082 | 2422 | |
mbed_official | 573:ad23fe03a082 | 2423 | /** |
mbed_official | 573:ad23fe03a082 | 2424 | * @brief Master Tx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 2425 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2426 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2427 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2428 | */ |
mbed_official | 573:ad23fe03a082 | 2429 | __weak void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2430 | { |
mbed_official | 573:ad23fe03a082 | 2431 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2432 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2433 | */ |
mbed_official | 573:ad23fe03a082 | 2434 | } |
mbed_official | 573:ad23fe03a082 | 2435 | |
mbed_official | 573:ad23fe03a082 | 2436 | /** |
mbed_official | 573:ad23fe03a082 | 2437 | * @brief Master Rx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 2438 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2439 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2440 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2441 | */ |
mbed_official | 573:ad23fe03a082 | 2442 | __weak void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2443 | { |
mbed_official | 573:ad23fe03a082 | 2444 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2445 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2446 | */ |
mbed_official | 573:ad23fe03a082 | 2447 | } |
mbed_official | 573:ad23fe03a082 | 2448 | |
mbed_official | 573:ad23fe03a082 | 2449 | /** @brief Slave Tx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 2450 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2451 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2452 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2453 | */ |
mbed_official | 573:ad23fe03a082 | 2454 | __weak void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2455 | { |
mbed_official | 573:ad23fe03a082 | 2456 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2457 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2458 | */ |
mbed_official | 573:ad23fe03a082 | 2459 | } |
mbed_official | 573:ad23fe03a082 | 2460 | |
mbed_official | 573:ad23fe03a082 | 2461 | /** |
mbed_official | 573:ad23fe03a082 | 2462 | * @brief Slave Rx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 2463 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2464 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2465 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2466 | */ |
mbed_official | 573:ad23fe03a082 | 2467 | __weak void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2468 | { |
mbed_official | 573:ad23fe03a082 | 2469 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2470 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2471 | */ |
mbed_official | 573:ad23fe03a082 | 2472 | } |
mbed_official | 573:ad23fe03a082 | 2473 | |
mbed_official | 573:ad23fe03a082 | 2474 | /** |
mbed_official | 573:ad23fe03a082 | 2475 | * @brief Memory Tx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 2476 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2477 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2478 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2479 | */ |
mbed_official | 573:ad23fe03a082 | 2480 | __weak void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2481 | { |
mbed_official | 573:ad23fe03a082 | 2482 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2483 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2484 | */ |
mbed_official | 573:ad23fe03a082 | 2485 | } |
mbed_official | 573:ad23fe03a082 | 2486 | |
mbed_official | 573:ad23fe03a082 | 2487 | /** |
mbed_official | 573:ad23fe03a082 | 2488 | * @brief Memory Rx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 2489 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2490 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2491 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2492 | */ |
mbed_official | 573:ad23fe03a082 | 2493 | __weak void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2494 | { |
mbed_official | 573:ad23fe03a082 | 2495 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2496 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2497 | */ |
mbed_official | 573:ad23fe03a082 | 2498 | } |
mbed_official | 573:ad23fe03a082 | 2499 | |
mbed_official | 573:ad23fe03a082 | 2500 | /** |
mbed_official | 573:ad23fe03a082 | 2501 | * @brief I2C error callbacks. |
mbed_official | 573:ad23fe03a082 | 2502 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2503 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2504 | * @retval None |
mbed_official | 573:ad23fe03a082 | 2505 | */ |
mbed_official | 573:ad23fe03a082 | 2506 | __weak void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2507 | { |
mbed_official | 573:ad23fe03a082 | 2508 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 2509 | the HAL_I2C_ErrorCallback could be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 2510 | */ |
mbed_official | 573:ad23fe03a082 | 2511 | } |
mbed_official | 573:ad23fe03a082 | 2512 | |
mbed_official | 573:ad23fe03a082 | 2513 | /** |
mbed_official | 573:ad23fe03a082 | 2514 | * @} |
mbed_official | 573:ad23fe03a082 | 2515 | */ |
mbed_official | 573:ad23fe03a082 | 2516 | |
mbed_official | 573:ad23fe03a082 | 2517 | /** @defgroup I2C_Exported_Functions_Group3 Peripheral State and Errors functions |
mbed_official | 573:ad23fe03a082 | 2518 | * @brief Peripheral State and Errors functions |
mbed_official | 573:ad23fe03a082 | 2519 | * |
mbed_official | 573:ad23fe03a082 | 2520 | @verbatim |
mbed_official | 573:ad23fe03a082 | 2521 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 2522 | ##### Peripheral State and Errors functions ##### |
mbed_official | 573:ad23fe03a082 | 2523 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 2524 | [..] |
mbed_official | 573:ad23fe03a082 | 2525 | This subsection permit to get in run-time the status of the peripheral |
mbed_official | 573:ad23fe03a082 | 2526 | and the data flow. |
mbed_official | 573:ad23fe03a082 | 2527 | |
mbed_official | 573:ad23fe03a082 | 2528 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 2529 | * @{ |
mbed_official | 573:ad23fe03a082 | 2530 | */ |
mbed_official | 573:ad23fe03a082 | 2531 | |
mbed_official | 573:ad23fe03a082 | 2532 | /** |
mbed_official | 573:ad23fe03a082 | 2533 | * @brief Returns the I2C state. |
mbed_official | 573:ad23fe03a082 | 2534 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2535 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2536 | * @retval HAL state |
mbed_official | 573:ad23fe03a082 | 2537 | */ |
mbed_official | 573:ad23fe03a082 | 2538 | HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2539 | { |
mbed_official | 573:ad23fe03a082 | 2540 | return hi2c->State; |
mbed_official | 573:ad23fe03a082 | 2541 | } |
mbed_official | 573:ad23fe03a082 | 2542 | |
mbed_official | 573:ad23fe03a082 | 2543 | /** |
mbed_official | 573:ad23fe03a082 | 2544 | * @brief Return the I2C error code |
mbed_official | 573:ad23fe03a082 | 2545 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2546 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2547 | * @retval I2C Error Code |
mbed_official | 573:ad23fe03a082 | 2548 | */ |
mbed_official | 573:ad23fe03a082 | 2549 | uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2550 | { |
mbed_official | 573:ad23fe03a082 | 2551 | return hi2c->ErrorCode; |
mbed_official | 573:ad23fe03a082 | 2552 | } |
mbed_official | 573:ad23fe03a082 | 2553 | |
mbed_official | 573:ad23fe03a082 | 2554 | /** |
mbed_official | 573:ad23fe03a082 | 2555 | * @} |
mbed_official | 573:ad23fe03a082 | 2556 | */ |
mbed_official | 573:ad23fe03a082 | 2557 | |
mbed_official | 573:ad23fe03a082 | 2558 | /** |
mbed_official | 573:ad23fe03a082 | 2559 | * @} |
mbed_official | 573:ad23fe03a082 | 2560 | */ |
mbed_official | 573:ad23fe03a082 | 2561 | |
mbed_official | 573:ad23fe03a082 | 2562 | /** @addtogroup I2C_Private_Functions |
mbed_official | 573:ad23fe03a082 | 2563 | * @{ |
mbed_official | 573:ad23fe03a082 | 2564 | */ |
mbed_official | 573:ad23fe03a082 | 2565 | |
mbed_official | 573:ad23fe03a082 | 2566 | /** |
mbed_official | 573:ad23fe03a082 | 2567 | * @brief Handle Interrupt Flags Master Transmit Mode |
mbed_official | 573:ad23fe03a082 | 2568 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2569 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2570 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2571 | */ |
mbed_official | 573:ad23fe03a082 | 2572 | static HAL_StatusTypeDef I2C_MasterTransmit_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2573 | { |
mbed_official | 573:ad23fe03a082 | 2574 | uint16_t DevAddress; |
mbed_official | 573:ad23fe03a082 | 2575 | |
mbed_official | 573:ad23fe03a082 | 2576 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 2577 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2578 | |
mbed_official | 573:ad23fe03a082 | 2579 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) |
mbed_official | 573:ad23fe03a082 | 2580 | { |
mbed_official | 573:ad23fe03a082 | 2581 | /* Write data to TXDR */ |
mbed_official | 573:ad23fe03a082 | 2582 | hi2c->Instance->TXDR = (*hi2c->pBuffPtr++); |
mbed_official | 573:ad23fe03a082 | 2583 | hi2c->XferSize--; |
mbed_official | 573:ad23fe03a082 | 2584 | hi2c->XferCount--; |
mbed_official | 573:ad23fe03a082 | 2585 | } |
mbed_official | 573:ad23fe03a082 | 2586 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) |
mbed_official | 573:ad23fe03a082 | 2587 | { |
mbed_official | 573:ad23fe03a082 | 2588 | if((hi2c->XferSize == 0)&&(hi2c->XferCount!=0)) |
mbed_official | 573:ad23fe03a082 | 2589 | { |
mbed_official | 573:ad23fe03a082 | 2590 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 573:ad23fe03a082 | 2591 | |
mbed_official | 573:ad23fe03a082 | 2592 | if(hi2c->XferCount > 255) |
mbed_official | 573:ad23fe03a082 | 2593 | { |
mbed_official | 573:ad23fe03a082 | 2594 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 2595 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 2596 | } |
mbed_official | 573:ad23fe03a082 | 2597 | else |
mbed_official | 573:ad23fe03a082 | 2598 | { |
mbed_official | 573:ad23fe03a082 | 2599 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferCount, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 2600 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 573:ad23fe03a082 | 2601 | } |
mbed_official | 573:ad23fe03a082 | 2602 | } |
mbed_official | 573:ad23fe03a082 | 2603 | else |
mbed_official | 573:ad23fe03a082 | 2604 | { |
mbed_official | 573:ad23fe03a082 | 2605 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2606 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2607 | |
mbed_official | 573:ad23fe03a082 | 2608 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 573:ad23fe03a082 | 2609 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 573:ad23fe03a082 | 2610 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2611 | } |
mbed_official | 573:ad23fe03a082 | 2612 | } |
mbed_official | 573:ad23fe03a082 | 2613 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) |
mbed_official | 573:ad23fe03a082 | 2614 | { |
mbed_official | 573:ad23fe03a082 | 2615 | if(hi2c->XferCount == 0) |
mbed_official | 573:ad23fe03a082 | 2616 | { |
mbed_official | 573:ad23fe03a082 | 2617 | /* Generate Stop */ |
mbed_official | 573:ad23fe03a082 | 2618 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 573:ad23fe03a082 | 2619 | } |
mbed_official | 573:ad23fe03a082 | 2620 | else |
mbed_official | 573:ad23fe03a082 | 2621 | { |
mbed_official | 573:ad23fe03a082 | 2622 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2623 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2624 | |
mbed_official | 573:ad23fe03a082 | 2625 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 573:ad23fe03a082 | 2626 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 573:ad23fe03a082 | 2627 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2628 | } |
mbed_official | 573:ad23fe03a082 | 2629 | } |
mbed_official | 573:ad23fe03a082 | 2630 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 573:ad23fe03a082 | 2631 | { |
mbed_official | 573:ad23fe03a082 | 2632 | /* Disable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 2633 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 573:ad23fe03a082 | 2634 | |
mbed_official | 573:ad23fe03a082 | 2635 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 2636 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2637 | |
mbed_official | 573:ad23fe03a082 | 2638 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 2639 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 2640 | |
mbed_official | 573:ad23fe03a082 | 2641 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2642 | |
mbed_official | 573:ad23fe03a082 | 2643 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2644 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2645 | |
mbed_official | 573:ad23fe03a082 | 2646 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 2647 | { |
mbed_official | 573:ad23fe03a082 | 2648 | HAL_I2C_MemTxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2649 | } |
mbed_official | 573:ad23fe03a082 | 2650 | else |
mbed_official | 573:ad23fe03a082 | 2651 | { |
mbed_official | 573:ad23fe03a082 | 2652 | HAL_I2C_MasterTxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2653 | } |
mbed_official | 573:ad23fe03a082 | 2654 | } |
mbed_official | 573:ad23fe03a082 | 2655 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 573:ad23fe03a082 | 2656 | { |
mbed_official | 573:ad23fe03a082 | 2657 | /* Clear NACK Flag */ |
mbed_official | 573:ad23fe03a082 | 2658 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 2659 | |
mbed_official | 573:ad23fe03a082 | 2660 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2661 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2662 | |
mbed_official | 573:ad23fe03a082 | 2663 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 2664 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2665 | } |
mbed_official | 573:ad23fe03a082 | 2666 | |
mbed_official | 573:ad23fe03a082 | 2667 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2668 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2669 | |
mbed_official | 573:ad23fe03a082 | 2670 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2671 | } |
mbed_official | 573:ad23fe03a082 | 2672 | |
mbed_official | 573:ad23fe03a082 | 2673 | /** |
mbed_official | 573:ad23fe03a082 | 2674 | * @brief Handle Interrupt Flags Master Receive Mode |
mbed_official | 573:ad23fe03a082 | 2675 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2676 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2677 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2678 | */ |
mbed_official | 573:ad23fe03a082 | 2679 | static HAL_StatusTypeDef I2C_MasterReceive_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2680 | { |
mbed_official | 573:ad23fe03a082 | 2681 | uint16_t DevAddress; |
mbed_official | 573:ad23fe03a082 | 2682 | |
mbed_official | 573:ad23fe03a082 | 2683 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 2684 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2685 | |
mbed_official | 573:ad23fe03a082 | 2686 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) |
mbed_official | 573:ad23fe03a082 | 2687 | { |
mbed_official | 573:ad23fe03a082 | 2688 | /* Read data from RXDR */ |
mbed_official | 573:ad23fe03a082 | 2689 | (*hi2c->pBuffPtr++) = hi2c->Instance->RXDR; |
mbed_official | 573:ad23fe03a082 | 2690 | hi2c->XferSize--; |
mbed_official | 573:ad23fe03a082 | 2691 | hi2c->XferCount--; |
mbed_official | 573:ad23fe03a082 | 2692 | } |
mbed_official | 573:ad23fe03a082 | 2693 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) |
mbed_official | 573:ad23fe03a082 | 2694 | { |
mbed_official | 573:ad23fe03a082 | 2695 | if((hi2c->XferSize == 0)&&(hi2c->XferCount!=0)) |
mbed_official | 573:ad23fe03a082 | 2696 | { |
mbed_official | 573:ad23fe03a082 | 2697 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 573:ad23fe03a082 | 2698 | |
mbed_official | 573:ad23fe03a082 | 2699 | if(hi2c->XferCount > 255) |
mbed_official | 573:ad23fe03a082 | 2700 | { |
mbed_official | 573:ad23fe03a082 | 2701 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 2702 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 2703 | } |
mbed_official | 573:ad23fe03a082 | 2704 | else |
mbed_official | 573:ad23fe03a082 | 2705 | { |
mbed_official | 573:ad23fe03a082 | 2706 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferCount, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 2707 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 573:ad23fe03a082 | 2708 | } |
mbed_official | 573:ad23fe03a082 | 2709 | } |
mbed_official | 573:ad23fe03a082 | 2710 | else |
mbed_official | 573:ad23fe03a082 | 2711 | { |
mbed_official | 573:ad23fe03a082 | 2712 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2713 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2714 | |
mbed_official | 573:ad23fe03a082 | 2715 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 573:ad23fe03a082 | 2716 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 573:ad23fe03a082 | 2717 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2718 | } |
mbed_official | 573:ad23fe03a082 | 2719 | } |
mbed_official | 573:ad23fe03a082 | 2720 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) |
mbed_official | 573:ad23fe03a082 | 2721 | { |
mbed_official | 573:ad23fe03a082 | 2722 | if(hi2c->XferCount == 0) |
mbed_official | 573:ad23fe03a082 | 2723 | { |
mbed_official | 573:ad23fe03a082 | 2724 | /* Generate Stop */ |
mbed_official | 573:ad23fe03a082 | 2725 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 573:ad23fe03a082 | 2726 | } |
mbed_official | 573:ad23fe03a082 | 2727 | else |
mbed_official | 573:ad23fe03a082 | 2728 | { |
mbed_official | 573:ad23fe03a082 | 2729 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2730 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2731 | |
mbed_official | 573:ad23fe03a082 | 2732 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 573:ad23fe03a082 | 2733 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 573:ad23fe03a082 | 2734 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2735 | } |
mbed_official | 573:ad23fe03a082 | 2736 | } |
mbed_official | 573:ad23fe03a082 | 2737 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 573:ad23fe03a082 | 2738 | { |
mbed_official | 573:ad23fe03a082 | 2739 | /* Disable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 2740 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 573:ad23fe03a082 | 2741 | |
mbed_official | 573:ad23fe03a082 | 2742 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 2743 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2744 | |
mbed_official | 573:ad23fe03a082 | 2745 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 2746 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 2747 | |
mbed_official | 573:ad23fe03a082 | 2748 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2749 | |
mbed_official | 573:ad23fe03a082 | 2750 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2751 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2752 | |
mbed_official | 573:ad23fe03a082 | 2753 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 2754 | { |
mbed_official | 573:ad23fe03a082 | 2755 | HAL_I2C_MemRxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2756 | } |
mbed_official | 573:ad23fe03a082 | 2757 | else |
mbed_official | 573:ad23fe03a082 | 2758 | { |
mbed_official | 573:ad23fe03a082 | 2759 | HAL_I2C_MasterRxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2760 | } |
mbed_official | 573:ad23fe03a082 | 2761 | } |
mbed_official | 573:ad23fe03a082 | 2762 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 573:ad23fe03a082 | 2763 | { |
mbed_official | 573:ad23fe03a082 | 2764 | /* Clear NACK Flag */ |
mbed_official | 573:ad23fe03a082 | 2765 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 2766 | |
mbed_official | 573:ad23fe03a082 | 2767 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2768 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2769 | |
mbed_official | 573:ad23fe03a082 | 2770 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 2771 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2772 | } |
mbed_official | 573:ad23fe03a082 | 2773 | |
mbed_official | 573:ad23fe03a082 | 2774 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2775 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2776 | |
mbed_official | 573:ad23fe03a082 | 2777 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2778 | |
mbed_official | 573:ad23fe03a082 | 2779 | } |
mbed_official | 573:ad23fe03a082 | 2780 | |
mbed_official | 573:ad23fe03a082 | 2781 | /** |
mbed_official | 573:ad23fe03a082 | 2782 | * @brief Handle Interrupt Flags Slave Transmit Mode |
mbed_official | 573:ad23fe03a082 | 2783 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2784 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2785 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2786 | */ |
mbed_official | 573:ad23fe03a082 | 2787 | static HAL_StatusTypeDef I2C_SlaveTransmit_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2788 | { |
mbed_official | 573:ad23fe03a082 | 2789 | /* Process locked */ |
mbed_official | 573:ad23fe03a082 | 2790 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2791 | |
mbed_official | 573:ad23fe03a082 | 2792 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) != RESET) |
mbed_official | 573:ad23fe03a082 | 2793 | { |
mbed_official | 573:ad23fe03a082 | 2794 | /* Check that I2C transfer finished */ |
mbed_official | 573:ad23fe03a082 | 2795 | /* if yes, normal usecase, a NACK is sent by the MASTER when Transfer is finished */ |
mbed_official | 573:ad23fe03a082 | 2796 | /* Mean XferCount == 0*/ |
mbed_official | 573:ad23fe03a082 | 2797 | /* So clear Flag NACKF only */ |
mbed_official | 573:ad23fe03a082 | 2798 | if(hi2c->XferCount == 0) |
mbed_official | 573:ad23fe03a082 | 2799 | { |
mbed_official | 573:ad23fe03a082 | 2800 | /* Clear NACK Flag */ |
mbed_official | 573:ad23fe03a082 | 2801 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 2802 | |
mbed_official | 573:ad23fe03a082 | 2803 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2804 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2805 | } |
mbed_official | 573:ad23fe03a082 | 2806 | else |
mbed_official | 573:ad23fe03a082 | 2807 | { |
mbed_official | 573:ad23fe03a082 | 2808 | /* if no, error usecase, a Non-Acknowledge of last Data is generated by the MASTER*/ |
mbed_official | 573:ad23fe03a082 | 2809 | /* Clear NACK Flag */ |
mbed_official | 573:ad23fe03a082 | 2810 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 2811 | |
mbed_official | 573:ad23fe03a082 | 2812 | /* Set ErrorCode corresponding to a Non-Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 2813 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 2814 | |
mbed_official | 573:ad23fe03a082 | 2815 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2816 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2817 | |
mbed_official | 573:ad23fe03a082 | 2818 | /* Call the Error callback to prevent upper layer */ |
mbed_official | 573:ad23fe03a082 | 2819 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2820 | } |
mbed_official | 573:ad23fe03a082 | 2821 | } |
mbed_official | 573:ad23fe03a082 | 2822 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) |
mbed_official | 573:ad23fe03a082 | 2823 | { |
mbed_official | 573:ad23fe03a082 | 2824 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 2825 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 2826 | } |
mbed_official | 573:ad23fe03a082 | 2827 | /* Check first if STOPF is set */ |
mbed_official | 573:ad23fe03a082 | 2828 | /* to prevent a Write Data in TX buffer */ |
mbed_official | 573:ad23fe03a082 | 2829 | /* which is stuck in TXDR until next */ |
mbed_official | 573:ad23fe03a082 | 2830 | /* communication with Master */ |
mbed_official | 573:ad23fe03a082 | 2831 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 573:ad23fe03a082 | 2832 | { |
mbed_official | 573:ad23fe03a082 | 2833 | /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 2834 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI ); |
mbed_official | 573:ad23fe03a082 | 2835 | |
mbed_official | 573:ad23fe03a082 | 2836 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 2837 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 2838 | |
mbed_official | 573:ad23fe03a082 | 2839 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 2840 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2841 | |
mbed_official | 573:ad23fe03a082 | 2842 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2843 | |
mbed_official | 573:ad23fe03a082 | 2844 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2845 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2846 | |
mbed_official | 573:ad23fe03a082 | 2847 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2848 | } |
mbed_official | 573:ad23fe03a082 | 2849 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) |
mbed_official | 573:ad23fe03a082 | 2850 | { |
mbed_official | 573:ad23fe03a082 | 2851 | /* Write data to TXDR only if XferCount not reach "0" */ |
mbed_official | 573:ad23fe03a082 | 2852 | /* A TXIS flag can be set, during STOP treatment */ |
mbed_official | 573:ad23fe03a082 | 2853 | if(hi2c->XferCount > 0) |
mbed_official | 573:ad23fe03a082 | 2854 | { |
mbed_official | 573:ad23fe03a082 | 2855 | /* Write data to TXDR */ |
mbed_official | 573:ad23fe03a082 | 2856 | hi2c->Instance->TXDR = (*hi2c->pBuffPtr++); |
mbed_official | 573:ad23fe03a082 | 2857 | hi2c->XferCount--; |
mbed_official | 573:ad23fe03a082 | 2858 | } |
mbed_official | 573:ad23fe03a082 | 2859 | } |
mbed_official | 573:ad23fe03a082 | 2860 | |
mbed_official | 573:ad23fe03a082 | 2861 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2862 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2863 | |
mbed_official | 573:ad23fe03a082 | 2864 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2865 | } |
mbed_official | 573:ad23fe03a082 | 2866 | |
mbed_official | 573:ad23fe03a082 | 2867 | /** |
mbed_official | 573:ad23fe03a082 | 2868 | * @brief Handle Interrupt Flags Slave Receive Mode |
mbed_official | 573:ad23fe03a082 | 2869 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2870 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2871 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2872 | */ |
mbed_official | 573:ad23fe03a082 | 2873 | static HAL_StatusTypeDef I2C_SlaveReceive_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 573:ad23fe03a082 | 2874 | { |
mbed_official | 573:ad23fe03a082 | 2875 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 2876 | __HAL_LOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2877 | |
mbed_official | 573:ad23fe03a082 | 2878 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) != RESET) |
mbed_official | 573:ad23fe03a082 | 2879 | { |
mbed_official | 573:ad23fe03a082 | 2880 | /* Clear NACK Flag */ |
mbed_official | 573:ad23fe03a082 | 2881 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 2882 | |
mbed_official | 573:ad23fe03a082 | 2883 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2884 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2885 | |
mbed_official | 573:ad23fe03a082 | 2886 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 2887 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2888 | } |
mbed_official | 573:ad23fe03a082 | 2889 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) |
mbed_official | 573:ad23fe03a082 | 2890 | { |
mbed_official | 573:ad23fe03a082 | 2891 | /* Clear ADDR flag */ |
mbed_official | 573:ad23fe03a082 | 2892 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ADDR); |
mbed_official | 573:ad23fe03a082 | 2893 | } |
mbed_official | 573:ad23fe03a082 | 2894 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) |
mbed_official | 573:ad23fe03a082 | 2895 | { |
mbed_official | 573:ad23fe03a082 | 2896 | /* Read data from RXDR */ |
mbed_official | 573:ad23fe03a082 | 2897 | (*hi2c->pBuffPtr++) = hi2c->Instance->RXDR; |
mbed_official | 573:ad23fe03a082 | 2898 | hi2c->XferSize--; |
mbed_official | 573:ad23fe03a082 | 2899 | hi2c->XferCount--; |
mbed_official | 573:ad23fe03a082 | 2900 | } |
mbed_official | 573:ad23fe03a082 | 2901 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 573:ad23fe03a082 | 2902 | { |
mbed_official | 573:ad23fe03a082 | 2903 | /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ |
mbed_official | 573:ad23fe03a082 | 2904 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_RXI ); |
mbed_official | 573:ad23fe03a082 | 2905 | |
mbed_official | 573:ad23fe03a082 | 2906 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 2907 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 2908 | |
mbed_official | 573:ad23fe03a082 | 2909 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 2910 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 2911 | |
mbed_official | 573:ad23fe03a082 | 2912 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 2913 | |
mbed_official | 573:ad23fe03a082 | 2914 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2915 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2916 | |
mbed_official | 573:ad23fe03a082 | 2917 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 2918 | } |
mbed_official | 573:ad23fe03a082 | 2919 | |
mbed_official | 573:ad23fe03a082 | 2920 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 2921 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 2922 | |
mbed_official | 573:ad23fe03a082 | 2923 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2924 | } |
mbed_official | 573:ad23fe03a082 | 2925 | |
mbed_official | 573:ad23fe03a082 | 2926 | /** |
mbed_official | 573:ad23fe03a082 | 2927 | * @brief Master sends target device address followed by internal memory address for write request. |
mbed_official | 573:ad23fe03a082 | 2928 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2929 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2930 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 2931 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 2932 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 2933 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 2934 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 2935 | */ |
mbed_official | 573:ad23fe03a082 | 2936 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 2937 | { |
mbed_official | 573:ad23fe03a082 | 2938 | I2C_TransferConfig(hi2c,DevAddress,MemAddSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 2939 | |
mbed_official | 573:ad23fe03a082 | 2940 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 2941 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2942 | { |
mbed_official | 573:ad23fe03a082 | 2943 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 2944 | { |
mbed_official | 573:ad23fe03a082 | 2945 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2946 | } |
mbed_official | 573:ad23fe03a082 | 2947 | else |
mbed_official | 573:ad23fe03a082 | 2948 | { |
mbed_official | 573:ad23fe03a082 | 2949 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2950 | } |
mbed_official | 573:ad23fe03a082 | 2951 | } |
mbed_official | 573:ad23fe03a082 | 2952 | |
mbed_official | 573:ad23fe03a082 | 2953 | /* If Memory address size is 8Bit */ |
mbed_official | 573:ad23fe03a082 | 2954 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
mbed_official | 573:ad23fe03a082 | 2955 | { |
mbed_official | 573:ad23fe03a082 | 2956 | /* Send Memory Address */ |
mbed_official | 573:ad23fe03a082 | 2957 | hi2c->Instance->TXDR = I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 573:ad23fe03a082 | 2958 | } |
mbed_official | 573:ad23fe03a082 | 2959 | /* If Memory address size is 16Bit */ |
mbed_official | 573:ad23fe03a082 | 2960 | else |
mbed_official | 573:ad23fe03a082 | 2961 | { |
mbed_official | 573:ad23fe03a082 | 2962 | /* Send MSB of Memory Address */ |
mbed_official | 573:ad23fe03a082 | 2963 | hi2c->Instance->TXDR = I2C_MEM_ADD_MSB(MemAddress); |
mbed_official | 573:ad23fe03a082 | 2964 | |
mbed_official | 573:ad23fe03a082 | 2965 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 2966 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2967 | { |
mbed_official | 573:ad23fe03a082 | 2968 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 2969 | { |
mbed_official | 573:ad23fe03a082 | 2970 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 2971 | } |
mbed_official | 573:ad23fe03a082 | 2972 | else |
mbed_official | 573:ad23fe03a082 | 2973 | { |
mbed_official | 573:ad23fe03a082 | 2974 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2975 | } |
mbed_official | 573:ad23fe03a082 | 2976 | } |
mbed_official | 573:ad23fe03a082 | 2977 | |
mbed_official | 573:ad23fe03a082 | 2978 | /* Send LSB of Memory Address */ |
mbed_official | 573:ad23fe03a082 | 2979 | hi2c->Instance->TXDR = I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 573:ad23fe03a082 | 2980 | } |
mbed_official | 573:ad23fe03a082 | 2981 | |
mbed_official | 573:ad23fe03a082 | 2982 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 2983 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 2984 | { |
mbed_official | 573:ad23fe03a082 | 2985 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 2986 | } |
mbed_official | 573:ad23fe03a082 | 2987 | |
mbed_official | 573:ad23fe03a082 | 2988 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 2989 | } |
mbed_official | 573:ad23fe03a082 | 2990 | |
mbed_official | 573:ad23fe03a082 | 2991 | /** |
mbed_official | 573:ad23fe03a082 | 2992 | * @brief Master sends target device address followed by internal memory address for read request. |
mbed_official | 573:ad23fe03a082 | 2993 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 2994 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 2995 | * @param DevAddress: Target device address |
mbed_official | 573:ad23fe03a082 | 2996 | * @param MemAddress: Internal memory address |
mbed_official | 573:ad23fe03a082 | 2997 | * @param MemAddSize: Size of internal memory address |
mbed_official | 573:ad23fe03a082 | 2998 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 2999 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 3000 | */ |
mbed_official | 573:ad23fe03a082 | 3001 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 3002 | { |
mbed_official | 573:ad23fe03a082 | 3003 | I2C_TransferConfig(hi2c,DevAddress,MemAddSize, I2C_SOFTEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 573:ad23fe03a082 | 3004 | |
mbed_official | 573:ad23fe03a082 | 3005 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 3006 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3007 | { |
mbed_official | 573:ad23fe03a082 | 3008 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3009 | { |
mbed_official | 573:ad23fe03a082 | 3010 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 3011 | } |
mbed_official | 573:ad23fe03a082 | 3012 | else |
mbed_official | 573:ad23fe03a082 | 3013 | { |
mbed_official | 573:ad23fe03a082 | 3014 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3015 | } |
mbed_official | 573:ad23fe03a082 | 3016 | } |
mbed_official | 573:ad23fe03a082 | 3017 | |
mbed_official | 573:ad23fe03a082 | 3018 | /* If Memory address size is 8Bit */ |
mbed_official | 573:ad23fe03a082 | 3019 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
mbed_official | 573:ad23fe03a082 | 3020 | { |
mbed_official | 573:ad23fe03a082 | 3021 | /* Send Memory Address */ |
mbed_official | 573:ad23fe03a082 | 3022 | hi2c->Instance->TXDR = I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 573:ad23fe03a082 | 3023 | } |
mbed_official | 573:ad23fe03a082 | 3024 | /* If Memory address size is 16Bit */ |
mbed_official | 573:ad23fe03a082 | 3025 | else |
mbed_official | 573:ad23fe03a082 | 3026 | { |
mbed_official | 573:ad23fe03a082 | 3027 | /* Send MSB of Memory Address */ |
mbed_official | 573:ad23fe03a082 | 3028 | hi2c->Instance->TXDR = I2C_MEM_ADD_MSB(MemAddress); |
mbed_official | 573:ad23fe03a082 | 3029 | |
mbed_official | 573:ad23fe03a082 | 3030 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 3031 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3032 | { |
mbed_official | 573:ad23fe03a082 | 3033 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3034 | { |
mbed_official | 573:ad23fe03a082 | 3035 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 3036 | } |
mbed_official | 573:ad23fe03a082 | 3037 | else |
mbed_official | 573:ad23fe03a082 | 3038 | { |
mbed_official | 573:ad23fe03a082 | 3039 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3040 | } |
mbed_official | 573:ad23fe03a082 | 3041 | } |
mbed_official | 573:ad23fe03a082 | 3042 | |
mbed_official | 573:ad23fe03a082 | 3043 | /* Send LSB of Memory Address */ |
mbed_official | 573:ad23fe03a082 | 3044 | hi2c->Instance->TXDR = I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 573:ad23fe03a082 | 3045 | } |
mbed_official | 573:ad23fe03a082 | 3046 | |
mbed_official | 573:ad23fe03a082 | 3047 | /* Wait until TC flag is set */ |
mbed_official | 573:ad23fe03a082 | 3048 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3049 | { |
mbed_official | 573:ad23fe03a082 | 3050 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3051 | } |
mbed_official | 573:ad23fe03a082 | 3052 | |
mbed_official | 573:ad23fe03a082 | 3053 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 3054 | } |
mbed_official | 573:ad23fe03a082 | 3055 | |
mbed_official | 573:ad23fe03a082 | 3056 | /** |
mbed_official | 573:ad23fe03a082 | 3057 | * @brief DMA I2C master transmit process complete callback. |
mbed_official | 573:ad23fe03a082 | 3058 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 3059 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3060 | */ |
mbed_official | 573:ad23fe03a082 | 3061 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3062 | { |
mbed_official | 573:ad23fe03a082 | 3063 | uint16_t DevAddress; |
mbed_official | 573:ad23fe03a082 | 3064 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3065 | |
mbed_official | 573:ad23fe03a082 | 3066 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 573:ad23fe03a082 | 3067 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3068 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3069 | { |
mbed_official | 573:ad23fe03a082 | 3070 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 3071 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3072 | { |
mbed_official | 573:ad23fe03a082 | 3073 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3074 | } |
mbed_official | 573:ad23fe03a082 | 3075 | |
mbed_official | 573:ad23fe03a082 | 3076 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3077 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3078 | |
mbed_official | 573:ad23fe03a082 | 3079 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3080 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3081 | { |
mbed_official | 573:ad23fe03a082 | 3082 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3083 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3084 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3085 | { |
mbed_official | 573:ad23fe03a082 | 3086 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3087 | { |
mbed_official | 573:ad23fe03a082 | 3088 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3089 | } |
mbed_official | 573:ad23fe03a082 | 3090 | else |
mbed_official | 573:ad23fe03a082 | 3091 | { |
mbed_official | 573:ad23fe03a082 | 3092 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3093 | } |
mbed_official | 573:ad23fe03a082 | 3094 | } |
mbed_official | 573:ad23fe03a082 | 3095 | |
mbed_official | 573:ad23fe03a082 | 3096 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3097 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3098 | |
mbed_official | 573:ad23fe03a082 | 3099 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3100 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3101 | |
mbed_official | 573:ad23fe03a082 | 3102 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3103 | |
mbed_official | 573:ad23fe03a082 | 3104 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3105 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3106 | } |
mbed_official | 573:ad23fe03a082 | 3107 | else |
mbed_official | 573:ad23fe03a082 | 3108 | { |
mbed_official | 573:ad23fe03a082 | 3109 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3110 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3111 | if(hi2c->XferCount > 255) |
mbed_official | 573:ad23fe03a082 | 3112 | { |
mbed_official | 573:ad23fe03a082 | 3113 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 3114 | } |
mbed_official | 573:ad23fe03a082 | 3115 | else |
mbed_official | 573:ad23fe03a082 | 3116 | { |
mbed_official | 573:ad23fe03a082 | 3117 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 573:ad23fe03a082 | 3118 | } |
mbed_official | 573:ad23fe03a082 | 3119 | |
mbed_official | 573:ad23fe03a082 | 3120 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 573:ad23fe03a082 | 3121 | |
mbed_official | 573:ad23fe03a082 | 3122 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 3123 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 3124 | |
mbed_official | 573:ad23fe03a082 | 3125 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 3126 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3127 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3128 | { |
mbed_official | 573:ad23fe03a082 | 3129 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3130 | } |
mbed_official | 573:ad23fe03a082 | 3131 | else |
mbed_official | 573:ad23fe03a082 | 3132 | { |
mbed_official | 573:ad23fe03a082 | 3133 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3134 | } |
mbed_official | 573:ad23fe03a082 | 3135 | |
mbed_official | 573:ad23fe03a082 | 3136 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 3137 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3138 | { |
mbed_official | 573:ad23fe03a082 | 3139 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3140 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3141 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3142 | { |
mbed_official | 573:ad23fe03a082 | 3143 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3144 | { |
mbed_official | 573:ad23fe03a082 | 3145 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3146 | } |
mbed_official | 573:ad23fe03a082 | 3147 | else |
mbed_official | 573:ad23fe03a082 | 3148 | { |
mbed_official | 573:ad23fe03a082 | 3149 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3150 | } |
mbed_official | 573:ad23fe03a082 | 3151 | } |
mbed_official | 573:ad23fe03a082 | 3152 | |
mbed_official | 573:ad23fe03a082 | 3153 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3154 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3155 | |
mbed_official | 573:ad23fe03a082 | 3156 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3157 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3158 | |
mbed_official | 573:ad23fe03a082 | 3159 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3160 | |
mbed_official | 573:ad23fe03a082 | 3161 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3162 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3163 | } |
mbed_official | 573:ad23fe03a082 | 3164 | else |
mbed_official | 573:ad23fe03a082 | 3165 | { |
mbed_official | 573:ad23fe03a082 | 3166 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3167 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3168 | } |
mbed_official | 573:ad23fe03a082 | 3169 | } |
mbed_official | 573:ad23fe03a082 | 3170 | } |
mbed_official | 573:ad23fe03a082 | 3171 | else |
mbed_official | 573:ad23fe03a082 | 3172 | { |
mbed_official | 573:ad23fe03a082 | 3173 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3174 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3175 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3176 | { |
mbed_official | 573:ad23fe03a082 | 3177 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3178 | { |
mbed_official | 573:ad23fe03a082 | 3179 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3180 | } |
mbed_official | 573:ad23fe03a082 | 3181 | else |
mbed_official | 573:ad23fe03a082 | 3182 | { |
mbed_official | 573:ad23fe03a082 | 3183 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3184 | } |
mbed_official | 573:ad23fe03a082 | 3185 | } |
mbed_official | 573:ad23fe03a082 | 3186 | |
mbed_official | 573:ad23fe03a082 | 3187 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3188 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3189 | |
mbed_official | 573:ad23fe03a082 | 3190 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3191 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3192 | |
mbed_official | 573:ad23fe03a082 | 3193 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3194 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3195 | |
mbed_official | 573:ad23fe03a082 | 3196 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3197 | |
mbed_official | 573:ad23fe03a082 | 3198 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3199 | |
mbed_official | 573:ad23fe03a082 | 3200 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3201 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3202 | { |
mbed_official | 573:ad23fe03a082 | 3203 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3204 | } |
mbed_official | 573:ad23fe03a082 | 3205 | else |
mbed_official | 573:ad23fe03a082 | 3206 | { |
mbed_official | 573:ad23fe03a082 | 3207 | HAL_I2C_MasterTxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3208 | } |
mbed_official | 573:ad23fe03a082 | 3209 | } |
mbed_official | 573:ad23fe03a082 | 3210 | } |
mbed_official | 573:ad23fe03a082 | 3211 | |
mbed_official | 573:ad23fe03a082 | 3212 | /** |
mbed_official | 573:ad23fe03a082 | 3213 | * @brief DMA I2C slave transmit process complete callback. |
mbed_official | 573:ad23fe03a082 | 3214 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 3215 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3216 | */ |
mbed_official | 573:ad23fe03a082 | 3217 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3218 | { |
mbed_official | 573:ad23fe03a082 | 3219 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3220 | |
mbed_official | 573:ad23fe03a082 | 3221 | /* Wait until STOP flag is set */ |
mbed_official | 573:ad23fe03a082 | 3222 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3223 | { |
mbed_official | 573:ad23fe03a082 | 3224 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3225 | { |
mbed_official | 573:ad23fe03a082 | 3226 | /* Normal Use case, a AF is generated by master */ |
mbed_official | 573:ad23fe03a082 | 3227 | /* to inform slave the end of transfer */ |
mbed_official | 573:ad23fe03a082 | 3228 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 3229 | } |
mbed_official | 573:ad23fe03a082 | 3230 | else |
mbed_official | 573:ad23fe03a082 | 3231 | { |
mbed_official | 573:ad23fe03a082 | 3232 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3233 | } |
mbed_official | 573:ad23fe03a082 | 3234 | } |
mbed_official | 573:ad23fe03a082 | 3235 | |
mbed_official | 573:ad23fe03a082 | 3236 | /* Clear STOP flag */ |
mbed_official | 573:ad23fe03a082 | 3237 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3238 | |
mbed_official | 573:ad23fe03a082 | 3239 | /* Wait until BUSY flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3240 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3241 | { |
mbed_official | 573:ad23fe03a082 | 3242 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3243 | } |
mbed_official | 573:ad23fe03a082 | 3244 | |
mbed_official | 573:ad23fe03a082 | 3245 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3246 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3247 | |
mbed_official | 573:ad23fe03a082 | 3248 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3249 | |
mbed_official | 573:ad23fe03a082 | 3250 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3251 | |
mbed_official | 573:ad23fe03a082 | 3252 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3253 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3254 | { |
mbed_official | 573:ad23fe03a082 | 3255 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3256 | } |
mbed_official | 573:ad23fe03a082 | 3257 | else |
mbed_official | 573:ad23fe03a082 | 3258 | { |
mbed_official | 573:ad23fe03a082 | 3259 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3260 | } |
mbed_official | 573:ad23fe03a082 | 3261 | } |
mbed_official | 573:ad23fe03a082 | 3262 | |
mbed_official | 573:ad23fe03a082 | 3263 | /** |
mbed_official | 573:ad23fe03a082 | 3264 | * @brief DMA I2C master receive process complete callback |
mbed_official | 573:ad23fe03a082 | 3265 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 3266 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3267 | */ |
mbed_official | 573:ad23fe03a082 | 3268 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3269 | { |
mbed_official | 573:ad23fe03a082 | 3270 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3271 | uint16_t DevAddress; |
mbed_official | 573:ad23fe03a082 | 3272 | |
mbed_official | 573:ad23fe03a082 | 3273 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 573:ad23fe03a082 | 3274 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3275 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3276 | { |
mbed_official | 573:ad23fe03a082 | 3277 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 3278 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3279 | { |
mbed_official | 573:ad23fe03a082 | 3280 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3281 | } |
mbed_official | 573:ad23fe03a082 | 3282 | |
mbed_official | 573:ad23fe03a082 | 3283 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3284 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3285 | |
mbed_official | 573:ad23fe03a082 | 3286 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3287 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3288 | { |
mbed_official | 573:ad23fe03a082 | 3289 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3290 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3291 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3292 | { |
mbed_official | 573:ad23fe03a082 | 3293 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3294 | { |
mbed_official | 573:ad23fe03a082 | 3295 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3296 | } |
mbed_official | 573:ad23fe03a082 | 3297 | else |
mbed_official | 573:ad23fe03a082 | 3298 | { |
mbed_official | 573:ad23fe03a082 | 3299 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3300 | } |
mbed_official | 573:ad23fe03a082 | 3301 | } |
mbed_official | 573:ad23fe03a082 | 3302 | |
mbed_official | 573:ad23fe03a082 | 3303 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3304 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3305 | |
mbed_official | 573:ad23fe03a082 | 3306 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3307 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3308 | |
mbed_official | 573:ad23fe03a082 | 3309 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3310 | |
mbed_official | 573:ad23fe03a082 | 3311 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3312 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3313 | } |
mbed_official | 573:ad23fe03a082 | 3314 | else |
mbed_official | 573:ad23fe03a082 | 3315 | { |
mbed_official | 573:ad23fe03a082 | 3316 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3317 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3318 | if(hi2c->XferCount > 255) |
mbed_official | 573:ad23fe03a082 | 3319 | { |
mbed_official | 573:ad23fe03a082 | 3320 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 3321 | } |
mbed_official | 573:ad23fe03a082 | 3322 | else |
mbed_official | 573:ad23fe03a082 | 3323 | { |
mbed_official | 573:ad23fe03a082 | 3324 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 573:ad23fe03a082 | 3325 | } |
mbed_official | 573:ad23fe03a082 | 3326 | |
mbed_official | 573:ad23fe03a082 | 3327 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 573:ad23fe03a082 | 3328 | |
mbed_official | 573:ad23fe03a082 | 3329 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 3330 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 3331 | |
mbed_official | 573:ad23fe03a082 | 3332 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 3333 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3334 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3335 | { |
mbed_official | 573:ad23fe03a082 | 3336 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3337 | } |
mbed_official | 573:ad23fe03a082 | 3338 | else |
mbed_official | 573:ad23fe03a082 | 3339 | { |
mbed_official | 573:ad23fe03a082 | 3340 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3341 | } |
mbed_official | 573:ad23fe03a082 | 3342 | |
mbed_official | 573:ad23fe03a082 | 3343 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 3344 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3345 | { |
mbed_official | 573:ad23fe03a082 | 3346 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3347 | } |
mbed_official | 573:ad23fe03a082 | 3348 | |
mbed_official | 573:ad23fe03a082 | 3349 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3350 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3351 | { |
mbed_official | 573:ad23fe03a082 | 3352 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3353 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3354 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3355 | { |
mbed_official | 573:ad23fe03a082 | 3356 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3357 | { |
mbed_official | 573:ad23fe03a082 | 3358 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3359 | } |
mbed_official | 573:ad23fe03a082 | 3360 | else |
mbed_official | 573:ad23fe03a082 | 3361 | { |
mbed_official | 573:ad23fe03a082 | 3362 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3363 | } |
mbed_official | 573:ad23fe03a082 | 3364 | } |
mbed_official | 573:ad23fe03a082 | 3365 | |
mbed_official | 573:ad23fe03a082 | 3366 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3367 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3368 | |
mbed_official | 573:ad23fe03a082 | 3369 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3370 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3371 | |
mbed_official | 573:ad23fe03a082 | 3372 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3373 | |
mbed_official | 573:ad23fe03a082 | 3374 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3375 | |
mbed_official | 573:ad23fe03a082 | 3376 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3377 | } |
mbed_official | 573:ad23fe03a082 | 3378 | else |
mbed_official | 573:ad23fe03a082 | 3379 | { |
mbed_official | 573:ad23fe03a082 | 3380 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3381 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3382 | } |
mbed_official | 573:ad23fe03a082 | 3383 | } |
mbed_official | 573:ad23fe03a082 | 3384 | } |
mbed_official | 573:ad23fe03a082 | 3385 | else |
mbed_official | 573:ad23fe03a082 | 3386 | { |
mbed_official | 573:ad23fe03a082 | 3387 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3388 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3389 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3390 | { |
mbed_official | 573:ad23fe03a082 | 3391 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3392 | { |
mbed_official | 573:ad23fe03a082 | 3393 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3394 | } |
mbed_official | 573:ad23fe03a082 | 3395 | else |
mbed_official | 573:ad23fe03a082 | 3396 | { |
mbed_official | 573:ad23fe03a082 | 3397 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3398 | } |
mbed_official | 573:ad23fe03a082 | 3399 | } |
mbed_official | 573:ad23fe03a082 | 3400 | |
mbed_official | 573:ad23fe03a082 | 3401 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3402 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3403 | |
mbed_official | 573:ad23fe03a082 | 3404 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3405 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3406 | |
mbed_official | 573:ad23fe03a082 | 3407 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3408 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3409 | |
mbed_official | 573:ad23fe03a082 | 3410 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3411 | |
mbed_official | 573:ad23fe03a082 | 3412 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3413 | |
mbed_official | 573:ad23fe03a082 | 3414 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3415 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3416 | { |
mbed_official | 573:ad23fe03a082 | 3417 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3418 | } |
mbed_official | 573:ad23fe03a082 | 3419 | else |
mbed_official | 573:ad23fe03a082 | 3420 | { |
mbed_official | 573:ad23fe03a082 | 3421 | HAL_I2C_MasterRxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3422 | } |
mbed_official | 573:ad23fe03a082 | 3423 | } |
mbed_official | 573:ad23fe03a082 | 3424 | } |
mbed_official | 573:ad23fe03a082 | 3425 | |
mbed_official | 573:ad23fe03a082 | 3426 | /** |
mbed_official | 573:ad23fe03a082 | 3427 | * @brief DMA I2C slave receive process complete callback. |
mbed_official | 573:ad23fe03a082 | 3428 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 3429 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3430 | */ |
mbed_official | 573:ad23fe03a082 | 3431 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3432 | { |
mbed_official | 573:ad23fe03a082 | 3433 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3434 | |
mbed_official | 573:ad23fe03a082 | 3435 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3436 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3437 | { |
mbed_official | 573:ad23fe03a082 | 3438 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3439 | { |
mbed_official | 573:ad23fe03a082 | 3440 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3441 | } |
mbed_official | 573:ad23fe03a082 | 3442 | else |
mbed_official | 573:ad23fe03a082 | 3443 | { |
mbed_official | 573:ad23fe03a082 | 3444 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3445 | } |
mbed_official | 573:ad23fe03a082 | 3446 | } |
mbed_official | 573:ad23fe03a082 | 3447 | |
mbed_official | 573:ad23fe03a082 | 3448 | /* Clear STOPF flag */ |
mbed_official | 573:ad23fe03a082 | 3449 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3450 | |
mbed_official | 573:ad23fe03a082 | 3451 | /* Wait until BUSY flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3452 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3453 | { |
mbed_official | 573:ad23fe03a082 | 3454 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3455 | } |
mbed_official | 573:ad23fe03a082 | 3456 | |
mbed_official | 573:ad23fe03a082 | 3457 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3458 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3459 | |
mbed_official | 573:ad23fe03a082 | 3460 | /* Disable Address Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 3461 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 3462 | |
mbed_official | 573:ad23fe03a082 | 3463 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3464 | |
mbed_official | 573:ad23fe03a082 | 3465 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3466 | |
mbed_official | 573:ad23fe03a082 | 3467 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3468 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3469 | { |
mbed_official | 573:ad23fe03a082 | 3470 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3471 | } |
mbed_official | 573:ad23fe03a082 | 3472 | else |
mbed_official | 573:ad23fe03a082 | 3473 | { |
mbed_official | 573:ad23fe03a082 | 3474 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3475 | } |
mbed_official | 573:ad23fe03a082 | 3476 | } |
mbed_official | 573:ad23fe03a082 | 3477 | |
mbed_official | 573:ad23fe03a082 | 3478 | /** |
mbed_official | 573:ad23fe03a082 | 3479 | * @brief DMA I2C Memory Write process complete callback |
mbed_official | 573:ad23fe03a082 | 3480 | * @param hdma : DMA handle |
mbed_official | 573:ad23fe03a082 | 3481 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3482 | */ |
mbed_official | 573:ad23fe03a082 | 3483 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3484 | { |
mbed_official | 573:ad23fe03a082 | 3485 | uint16_t DevAddress; |
mbed_official | 573:ad23fe03a082 | 3486 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3487 | |
mbed_official | 573:ad23fe03a082 | 3488 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 573:ad23fe03a082 | 3489 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3490 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3491 | { |
mbed_official | 573:ad23fe03a082 | 3492 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 3493 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3494 | { |
mbed_official | 573:ad23fe03a082 | 3495 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3496 | } |
mbed_official | 573:ad23fe03a082 | 3497 | |
mbed_official | 573:ad23fe03a082 | 3498 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3499 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3500 | |
mbed_official | 573:ad23fe03a082 | 3501 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3502 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3503 | { |
mbed_official | 573:ad23fe03a082 | 3504 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3505 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3506 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3507 | { |
mbed_official | 573:ad23fe03a082 | 3508 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3509 | { |
mbed_official | 573:ad23fe03a082 | 3510 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3511 | } |
mbed_official | 573:ad23fe03a082 | 3512 | else |
mbed_official | 573:ad23fe03a082 | 3513 | { |
mbed_official | 573:ad23fe03a082 | 3514 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3515 | } |
mbed_official | 573:ad23fe03a082 | 3516 | } |
mbed_official | 573:ad23fe03a082 | 3517 | |
mbed_official | 573:ad23fe03a082 | 3518 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3519 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3520 | |
mbed_official | 573:ad23fe03a082 | 3521 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3522 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3523 | |
mbed_official | 573:ad23fe03a082 | 3524 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3525 | |
mbed_official | 573:ad23fe03a082 | 3526 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3527 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3528 | } |
mbed_official | 573:ad23fe03a082 | 3529 | else |
mbed_official | 573:ad23fe03a082 | 3530 | { |
mbed_official | 573:ad23fe03a082 | 3531 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3532 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3533 | if(hi2c->XferCount > 255) |
mbed_official | 573:ad23fe03a082 | 3534 | { |
mbed_official | 573:ad23fe03a082 | 3535 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 3536 | } |
mbed_official | 573:ad23fe03a082 | 3537 | else |
mbed_official | 573:ad23fe03a082 | 3538 | { |
mbed_official | 573:ad23fe03a082 | 3539 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 573:ad23fe03a082 | 3540 | } |
mbed_official | 573:ad23fe03a082 | 3541 | |
mbed_official | 573:ad23fe03a082 | 3542 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 573:ad23fe03a082 | 3543 | |
mbed_official | 573:ad23fe03a082 | 3544 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 3545 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 3546 | |
mbed_official | 573:ad23fe03a082 | 3547 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 3548 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3549 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3550 | { |
mbed_official | 573:ad23fe03a082 | 3551 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3552 | } |
mbed_official | 573:ad23fe03a082 | 3553 | else |
mbed_official | 573:ad23fe03a082 | 3554 | { |
mbed_official | 573:ad23fe03a082 | 3555 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3556 | } |
mbed_official | 573:ad23fe03a082 | 3557 | |
mbed_official | 573:ad23fe03a082 | 3558 | /* Wait until TXIS flag is set */ |
mbed_official | 573:ad23fe03a082 | 3559 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3560 | { |
mbed_official | 573:ad23fe03a082 | 3561 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3562 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3563 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3564 | { |
mbed_official | 573:ad23fe03a082 | 3565 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3566 | { |
mbed_official | 573:ad23fe03a082 | 3567 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3568 | } |
mbed_official | 573:ad23fe03a082 | 3569 | else |
mbed_official | 573:ad23fe03a082 | 3570 | { |
mbed_official | 573:ad23fe03a082 | 3571 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3572 | } |
mbed_official | 573:ad23fe03a082 | 3573 | } |
mbed_official | 573:ad23fe03a082 | 3574 | |
mbed_official | 573:ad23fe03a082 | 3575 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3576 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3577 | |
mbed_official | 573:ad23fe03a082 | 3578 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3579 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3580 | |
mbed_official | 573:ad23fe03a082 | 3581 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3582 | |
mbed_official | 573:ad23fe03a082 | 3583 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3584 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3585 | } |
mbed_official | 573:ad23fe03a082 | 3586 | else |
mbed_official | 573:ad23fe03a082 | 3587 | { |
mbed_official | 573:ad23fe03a082 | 3588 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3589 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3590 | } |
mbed_official | 573:ad23fe03a082 | 3591 | } |
mbed_official | 573:ad23fe03a082 | 3592 | } |
mbed_official | 573:ad23fe03a082 | 3593 | else |
mbed_official | 573:ad23fe03a082 | 3594 | { |
mbed_official | 573:ad23fe03a082 | 3595 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3596 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3597 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3598 | { |
mbed_official | 573:ad23fe03a082 | 3599 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3600 | { |
mbed_official | 573:ad23fe03a082 | 3601 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3602 | } |
mbed_official | 573:ad23fe03a082 | 3603 | else |
mbed_official | 573:ad23fe03a082 | 3604 | { |
mbed_official | 573:ad23fe03a082 | 3605 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3606 | } |
mbed_official | 573:ad23fe03a082 | 3607 | } |
mbed_official | 573:ad23fe03a082 | 3608 | |
mbed_official | 573:ad23fe03a082 | 3609 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3610 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3611 | |
mbed_official | 573:ad23fe03a082 | 3612 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3613 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3614 | |
mbed_official | 573:ad23fe03a082 | 3615 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3616 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3617 | |
mbed_official | 573:ad23fe03a082 | 3618 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3619 | |
mbed_official | 573:ad23fe03a082 | 3620 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3621 | |
mbed_official | 573:ad23fe03a082 | 3622 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3623 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3624 | { |
mbed_official | 573:ad23fe03a082 | 3625 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3626 | } |
mbed_official | 573:ad23fe03a082 | 3627 | else |
mbed_official | 573:ad23fe03a082 | 3628 | { |
mbed_official | 573:ad23fe03a082 | 3629 | HAL_I2C_MemTxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3630 | } |
mbed_official | 573:ad23fe03a082 | 3631 | } |
mbed_official | 573:ad23fe03a082 | 3632 | } |
mbed_official | 573:ad23fe03a082 | 3633 | |
mbed_official | 573:ad23fe03a082 | 3634 | /** |
mbed_official | 573:ad23fe03a082 | 3635 | * @brief DMA I2C Memory Read process complete callback |
mbed_official | 573:ad23fe03a082 | 3636 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 3637 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3638 | */ |
mbed_official | 573:ad23fe03a082 | 3639 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3640 | { |
mbed_official | 573:ad23fe03a082 | 3641 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3642 | uint16_t DevAddress; |
mbed_official | 573:ad23fe03a082 | 3643 | |
mbed_official | 573:ad23fe03a082 | 3644 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 573:ad23fe03a082 | 3645 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3646 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3647 | { |
mbed_official | 573:ad23fe03a082 | 3648 | /* Wait until TCR flag is set */ |
mbed_official | 573:ad23fe03a082 | 3649 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3650 | { |
mbed_official | 573:ad23fe03a082 | 3651 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3652 | } |
mbed_official | 573:ad23fe03a082 | 3653 | |
mbed_official | 573:ad23fe03a082 | 3654 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3655 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3656 | |
mbed_official | 573:ad23fe03a082 | 3657 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3658 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3659 | { |
mbed_official | 573:ad23fe03a082 | 3660 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3661 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3662 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3663 | { |
mbed_official | 573:ad23fe03a082 | 3664 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3665 | { |
mbed_official | 573:ad23fe03a082 | 3666 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3667 | } |
mbed_official | 573:ad23fe03a082 | 3668 | else |
mbed_official | 573:ad23fe03a082 | 3669 | { |
mbed_official | 573:ad23fe03a082 | 3670 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3671 | } |
mbed_official | 573:ad23fe03a082 | 3672 | } |
mbed_official | 573:ad23fe03a082 | 3673 | |
mbed_official | 573:ad23fe03a082 | 3674 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3675 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3676 | |
mbed_official | 573:ad23fe03a082 | 3677 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3678 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3679 | |
mbed_official | 573:ad23fe03a082 | 3680 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3681 | |
mbed_official | 573:ad23fe03a082 | 3682 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3683 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3684 | } |
mbed_official | 573:ad23fe03a082 | 3685 | else |
mbed_official | 573:ad23fe03a082 | 3686 | { |
mbed_official | 573:ad23fe03a082 | 3687 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3688 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 573:ad23fe03a082 | 3689 | if(hi2c->XferCount > 255) |
mbed_official | 573:ad23fe03a082 | 3690 | { |
mbed_official | 573:ad23fe03a082 | 3691 | hi2c->XferSize = 255; |
mbed_official | 573:ad23fe03a082 | 3692 | } |
mbed_official | 573:ad23fe03a082 | 3693 | else |
mbed_official | 573:ad23fe03a082 | 3694 | { |
mbed_official | 573:ad23fe03a082 | 3695 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 573:ad23fe03a082 | 3696 | } |
mbed_official | 573:ad23fe03a082 | 3697 | |
mbed_official | 573:ad23fe03a082 | 3698 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 573:ad23fe03a082 | 3699 | |
mbed_official | 573:ad23fe03a082 | 3700 | /* Enable the DMA channel */ |
mbed_official | 573:ad23fe03a082 | 3701 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); |
mbed_official | 573:ad23fe03a082 | 3702 | |
mbed_official | 573:ad23fe03a082 | 3703 | /* Send Slave Address */ |
mbed_official | 573:ad23fe03a082 | 3704 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 573:ad23fe03a082 | 3705 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 573:ad23fe03a082 | 3706 | { |
mbed_official | 573:ad23fe03a082 | 3707 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3708 | } |
mbed_official | 573:ad23fe03a082 | 3709 | else |
mbed_official | 573:ad23fe03a082 | 3710 | { |
mbed_official | 573:ad23fe03a082 | 3711 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 573:ad23fe03a082 | 3712 | } |
mbed_official | 573:ad23fe03a082 | 3713 | |
mbed_official | 573:ad23fe03a082 | 3714 | /* Wait until RXNE flag is set */ |
mbed_official | 573:ad23fe03a082 | 3715 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3716 | { |
mbed_official | 573:ad23fe03a082 | 3717 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3718 | } |
mbed_official | 573:ad23fe03a082 | 3719 | |
mbed_official | 573:ad23fe03a082 | 3720 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3721 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3722 | { |
mbed_official | 573:ad23fe03a082 | 3723 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3724 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3725 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3726 | { |
mbed_official | 573:ad23fe03a082 | 3727 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3728 | { |
mbed_official | 573:ad23fe03a082 | 3729 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3730 | } |
mbed_official | 573:ad23fe03a082 | 3731 | else |
mbed_official | 573:ad23fe03a082 | 3732 | { |
mbed_official | 573:ad23fe03a082 | 3733 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3734 | } |
mbed_official | 573:ad23fe03a082 | 3735 | } |
mbed_official | 573:ad23fe03a082 | 3736 | |
mbed_official | 573:ad23fe03a082 | 3737 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3738 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3739 | |
mbed_official | 573:ad23fe03a082 | 3740 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3741 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3742 | |
mbed_official | 573:ad23fe03a082 | 3743 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3744 | |
mbed_official | 573:ad23fe03a082 | 3745 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3746 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3747 | } |
mbed_official | 573:ad23fe03a082 | 3748 | else |
mbed_official | 573:ad23fe03a082 | 3749 | { |
mbed_official | 573:ad23fe03a082 | 3750 | /* Enable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3751 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3752 | } |
mbed_official | 573:ad23fe03a082 | 3753 | } |
mbed_official | 573:ad23fe03a082 | 3754 | } |
mbed_official | 573:ad23fe03a082 | 3755 | else |
mbed_official | 573:ad23fe03a082 | 3756 | { |
mbed_official | 573:ad23fe03a082 | 3757 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 573:ad23fe03a082 | 3758 | /* Wait until STOPF flag is reset */ |
mbed_official | 573:ad23fe03a082 | 3759 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3760 | { |
mbed_official | 573:ad23fe03a082 | 3761 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 573:ad23fe03a082 | 3762 | { |
mbed_official | 573:ad23fe03a082 | 3763 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 3764 | } |
mbed_official | 573:ad23fe03a082 | 3765 | else |
mbed_official | 573:ad23fe03a082 | 3766 | { |
mbed_official | 573:ad23fe03a082 | 3767 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3768 | } |
mbed_official | 573:ad23fe03a082 | 3769 | } |
mbed_official | 573:ad23fe03a082 | 3770 | |
mbed_official | 573:ad23fe03a082 | 3771 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3772 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3773 | |
mbed_official | 573:ad23fe03a082 | 3774 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3775 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3776 | |
mbed_official | 573:ad23fe03a082 | 3777 | /* Disable DMA Request */ |
mbed_official | 573:ad23fe03a082 | 3778 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 573:ad23fe03a082 | 3779 | |
mbed_official | 573:ad23fe03a082 | 3780 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3781 | |
mbed_official | 573:ad23fe03a082 | 3782 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3783 | |
mbed_official | 573:ad23fe03a082 | 3784 | /* Check if Errors has been detected during transfer */ |
mbed_official | 573:ad23fe03a082 | 3785 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 3786 | { |
mbed_official | 573:ad23fe03a082 | 3787 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3788 | } |
mbed_official | 573:ad23fe03a082 | 3789 | else |
mbed_official | 573:ad23fe03a082 | 3790 | { |
mbed_official | 573:ad23fe03a082 | 3791 | HAL_I2C_MemRxCpltCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3792 | } |
mbed_official | 573:ad23fe03a082 | 3793 | } |
mbed_official | 573:ad23fe03a082 | 3794 | } |
mbed_official | 573:ad23fe03a082 | 3795 | |
mbed_official | 573:ad23fe03a082 | 3796 | /** |
mbed_official | 573:ad23fe03a082 | 3797 | * @brief DMA I2C communication error callback. |
mbed_official | 573:ad23fe03a082 | 3798 | * @param hdma : DMA handle |
mbed_official | 573:ad23fe03a082 | 3799 | * @retval None |
mbed_official | 573:ad23fe03a082 | 3800 | */ |
mbed_official | 573:ad23fe03a082 | 3801 | static void I2C_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 3802 | { |
mbed_official | 573:ad23fe03a082 | 3803 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 3804 | |
mbed_official | 573:ad23fe03a082 | 3805 | /* Disable Acknowledge */ |
mbed_official | 573:ad23fe03a082 | 3806 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 573:ad23fe03a082 | 3807 | |
mbed_official | 573:ad23fe03a082 | 3808 | hi2c->XferCount = 0; |
mbed_official | 573:ad23fe03a082 | 3809 | |
mbed_official | 573:ad23fe03a082 | 3810 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3811 | |
mbed_official | 573:ad23fe03a082 | 3812 | hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; |
mbed_official | 573:ad23fe03a082 | 3813 | |
mbed_official | 573:ad23fe03a082 | 3814 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 573:ad23fe03a082 | 3815 | } |
mbed_official | 573:ad23fe03a082 | 3816 | |
mbed_official | 573:ad23fe03a082 | 3817 | /** |
mbed_official | 573:ad23fe03a082 | 3818 | * @brief This function handles I2C Communication Timeout. |
mbed_official | 573:ad23fe03a082 | 3819 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 3820 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 3821 | * @param Flag: specifies the I2C flag to check. |
mbed_official | 573:ad23fe03a082 | 3822 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 573:ad23fe03a082 | 3823 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 3824 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 3825 | */ |
mbed_official | 573:ad23fe03a082 | 3826 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 3827 | { |
mbed_official | 573:ad23fe03a082 | 3828 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 3829 | |
mbed_official | 573:ad23fe03a082 | 3830 | /* Wait until flag is set */ |
mbed_official | 573:ad23fe03a082 | 3831 | if(Status == RESET) |
mbed_official | 573:ad23fe03a082 | 3832 | { |
mbed_official | 573:ad23fe03a082 | 3833 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET) |
mbed_official | 573:ad23fe03a082 | 3834 | { |
mbed_official | 573:ad23fe03a082 | 3835 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 3836 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 3837 | { |
mbed_official | 573:ad23fe03a082 | 3838 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 3839 | { |
mbed_official | 573:ad23fe03a082 | 3840 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3841 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 3842 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 3843 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3844 | } |
mbed_official | 573:ad23fe03a082 | 3845 | } |
mbed_official | 573:ad23fe03a082 | 3846 | } |
mbed_official | 573:ad23fe03a082 | 3847 | } |
mbed_official | 573:ad23fe03a082 | 3848 | else |
mbed_official | 573:ad23fe03a082 | 3849 | { |
mbed_official | 573:ad23fe03a082 | 3850 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) != RESET) |
mbed_official | 573:ad23fe03a082 | 3851 | { |
mbed_official | 573:ad23fe03a082 | 3852 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 3853 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 3854 | { |
mbed_official | 573:ad23fe03a082 | 3855 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 3856 | { |
mbed_official | 573:ad23fe03a082 | 3857 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3858 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 3859 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 3860 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3861 | } |
mbed_official | 573:ad23fe03a082 | 3862 | } |
mbed_official | 573:ad23fe03a082 | 3863 | } |
mbed_official | 573:ad23fe03a082 | 3864 | } |
mbed_official | 573:ad23fe03a082 | 3865 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 3866 | } |
mbed_official | 573:ad23fe03a082 | 3867 | |
mbed_official | 573:ad23fe03a082 | 3868 | /** |
mbed_official | 573:ad23fe03a082 | 3869 | * @brief This function handles I2C Communication Timeout for specific usage of TXIS flag. |
mbed_official | 573:ad23fe03a082 | 3870 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 3871 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 3872 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 3873 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 3874 | */ |
mbed_official | 573:ad23fe03a082 | 3875 | static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 3876 | { |
mbed_official | 573:ad23fe03a082 | 3877 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 3878 | |
mbed_official | 573:ad23fe03a082 | 3879 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == RESET) |
mbed_official | 573:ad23fe03a082 | 3880 | { |
mbed_official | 573:ad23fe03a082 | 3881 | /* Check if a NACK is detected */ |
mbed_official | 573:ad23fe03a082 | 3882 | if(I2C_IsAcknowledgeFailed(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3883 | { |
mbed_official | 573:ad23fe03a082 | 3884 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 3885 | } |
mbed_official | 573:ad23fe03a082 | 3886 | |
mbed_official | 573:ad23fe03a082 | 3887 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 3888 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 3889 | { |
mbed_official | 573:ad23fe03a082 | 3890 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 3891 | { |
mbed_official | 573:ad23fe03a082 | 3892 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3893 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3894 | |
mbed_official | 573:ad23fe03a082 | 3895 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 3896 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 3897 | |
mbed_official | 573:ad23fe03a082 | 3898 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3899 | } |
mbed_official | 573:ad23fe03a082 | 3900 | } |
mbed_official | 573:ad23fe03a082 | 3901 | } |
mbed_official | 573:ad23fe03a082 | 3902 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 3903 | } |
mbed_official | 573:ad23fe03a082 | 3904 | |
mbed_official | 573:ad23fe03a082 | 3905 | /** |
mbed_official | 573:ad23fe03a082 | 3906 | * @brief This function handles I2C Communication Timeout for specific usage of STOP flag. |
mbed_official | 573:ad23fe03a082 | 3907 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 3908 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 3909 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 3910 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 3911 | */ |
mbed_official | 573:ad23fe03a082 | 3912 | static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 3913 | { |
mbed_official | 573:ad23fe03a082 | 3914 | uint32_t tickstart = 0x00; |
mbed_official | 573:ad23fe03a082 | 3915 | tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 3916 | |
mbed_official | 573:ad23fe03a082 | 3917 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET) |
mbed_official | 573:ad23fe03a082 | 3918 | { |
mbed_official | 573:ad23fe03a082 | 3919 | /* Check if a NACK is detected */ |
mbed_official | 573:ad23fe03a082 | 3920 | if(I2C_IsAcknowledgeFailed(hi2c, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 3921 | { |
mbed_official | 573:ad23fe03a082 | 3922 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 3923 | } |
mbed_official | 573:ad23fe03a082 | 3924 | |
mbed_official | 573:ad23fe03a082 | 3925 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 3926 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 3927 | { |
mbed_official | 573:ad23fe03a082 | 3928 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3929 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3930 | |
mbed_official | 573:ad23fe03a082 | 3931 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 3932 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 3933 | |
mbed_official | 573:ad23fe03a082 | 3934 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3935 | } |
mbed_official | 573:ad23fe03a082 | 3936 | } |
mbed_official | 573:ad23fe03a082 | 3937 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 3938 | } |
mbed_official | 573:ad23fe03a082 | 3939 | |
mbed_official | 573:ad23fe03a082 | 3940 | /** |
mbed_official | 573:ad23fe03a082 | 3941 | * @brief This function handles I2C Communication Timeout for specific usage of RXNE flag. |
mbed_official | 573:ad23fe03a082 | 3942 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 3943 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 3944 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 3945 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 3946 | */ |
mbed_official | 573:ad23fe03a082 | 3947 | static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 3948 | { |
mbed_official | 573:ad23fe03a082 | 3949 | uint32_t tickstart = 0x00; |
mbed_official | 573:ad23fe03a082 | 3950 | tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 3951 | |
mbed_official | 573:ad23fe03a082 | 3952 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET) |
mbed_official | 573:ad23fe03a082 | 3953 | { |
mbed_official | 573:ad23fe03a082 | 3954 | /* Check if a STOPF is detected */ |
mbed_official | 573:ad23fe03a082 | 3955 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 573:ad23fe03a082 | 3956 | { |
mbed_official | 573:ad23fe03a082 | 3957 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 3958 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 3959 | |
mbed_official | 573:ad23fe03a082 | 3960 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 3961 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 3962 | |
mbed_official | 573:ad23fe03a082 | 3963 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 3964 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3965 | |
mbed_official | 573:ad23fe03a082 | 3966 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 3967 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 3968 | |
mbed_official | 573:ad23fe03a082 | 3969 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 3970 | } |
mbed_official | 573:ad23fe03a082 | 3971 | |
mbed_official | 573:ad23fe03a082 | 3972 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 3973 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 3974 | { |
mbed_official | 573:ad23fe03a082 | 3975 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3976 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 3977 | |
mbed_official | 573:ad23fe03a082 | 3978 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 3979 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 3980 | |
mbed_official | 573:ad23fe03a082 | 3981 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 3982 | } |
mbed_official | 573:ad23fe03a082 | 3983 | } |
mbed_official | 573:ad23fe03a082 | 3984 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 3985 | } |
mbed_official | 573:ad23fe03a082 | 3986 | |
mbed_official | 573:ad23fe03a082 | 3987 | /** |
mbed_official | 573:ad23fe03a082 | 3988 | * @brief This function handles Acknowledge failed detection during an I2C Communication. |
mbed_official | 573:ad23fe03a082 | 3989 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 3990 | * the configuration information for the specified I2C. |
mbed_official | 573:ad23fe03a082 | 3991 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 3992 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 3993 | */ |
mbed_official | 573:ad23fe03a082 | 3994 | static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 3995 | { |
mbed_official | 573:ad23fe03a082 | 3996 | uint32_t tickstart = 0x00; |
mbed_official | 573:ad23fe03a082 | 3997 | tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 3998 | |
mbed_official | 573:ad23fe03a082 | 3999 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 573:ad23fe03a082 | 4000 | { |
mbed_official | 573:ad23fe03a082 | 4001 | /* Generate stop if necessary only in case of I2C peripheral in MASTER mode */ |
mbed_official | 573:ad23fe03a082 | 4002 | if((hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 4003 | || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX)) |
mbed_official | 573:ad23fe03a082 | 4004 | { |
mbed_official | 573:ad23fe03a082 | 4005 | /* No need to generate the STOP condition if AUTOEND mode is enabled */ |
mbed_official | 573:ad23fe03a082 | 4006 | /* Generate the STOP condition only in case of SOFTEND mode is enabled */ |
mbed_official | 573:ad23fe03a082 | 4007 | if((hi2c->Instance->CR2 & I2C_AUTOEND_MODE) != I2C_AUTOEND_MODE) |
mbed_official | 573:ad23fe03a082 | 4008 | { |
mbed_official | 573:ad23fe03a082 | 4009 | /* Generate Stop */ |
mbed_official | 573:ad23fe03a082 | 4010 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 573:ad23fe03a082 | 4011 | } |
mbed_official | 573:ad23fe03a082 | 4012 | } |
mbed_official | 573:ad23fe03a082 | 4013 | |
mbed_official | 573:ad23fe03a082 | 4014 | /* Wait until STOP Flag is reset */ |
mbed_official | 573:ad23fe03a082 | 4015 | /* AutoEnd should be initiate after AF */ |
mbed_official | 573:ad23fe03a082 | 4016 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET) |
mbed_official | 573:ad23fe03a082 | 4017 | { |
mbed_official | 573:ad23fe03a082 | 4018 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 4019 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 4020 | { |
mbed_official | 573:ad23fe03a082 | 4021 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 573:ad23fe03a082 | 4022 | { |
mbed_official | 573:ad23fe03a082 | 4023 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 4024 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 4025 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 4026 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 4027 | } |
mbed_official | 573:ad23fe03a082 | 4028 | } |
mbed_official | 573:ad23fe03a082 | 4029 | } |
mbed_official | 573:ad23fe03a082 | 4030 | |
mbed_official | 573:ad23fe03a082 | 4031 | /* Clear NACKF Flag */ |
mbed_official | 573:ad23fe03a082 | 4032 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 573:ad23fe03a082 | 4033 | |
mbed_official | 573:ad23fe03a082 | 4034 | /* Clear STOP Flag */ |
mbed_official | 573:ad23fe03a082 | 4035 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 573:ad23fe03a082 | 4036 | |
mbed_official | 573:ad23fe03a082 | 4037 | /* Clear Configuration Register 2 */ |
mbed_official | 573:ad23fe03a082 | 4038 | I2C_RESET_CR2(hi2c); |
mbed_official | 573:ad23fe03a082 | 4039 | |
mbed_official | 573:ad23fe03a082 | 4040 | hi2c->ErrorCode = HAL_I2C_ERROR_AF; |
mbed_official | 573:ad23fe03a082 | 4041 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 4042 | |
mbed_official | 573:ad23fe03a082 | 4043 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 4044 | __HAL_UNLOCK(hi2c); |
mbed_official | 573:ad23fe03a082 | 4045 | |
mbed_official | 573:ad23fe03a082 | 4046 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 4047 | } |
mbed_official | 573:ad23fe03a082 | 4048 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 4049 | } |
mbed_official | 573:ad23fe03a082 | 4050 | |
mbed_official | 573:ad23fe03a082 | 4051 | /** |
mbed_official | 573:ad23fe03a082 | 4052 | * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). |
mbed_official | 573:ad23fe03a082 | 4053 | * @param hi2c: I2C handle. |
mbed_official | 573:ad23fe03a082 | 4054 | * @param DevAddress: specifies the slave address to be programmed. |
mbed_official | 573:ad23fe03a082 | 4055 | * @param Size: specifies the number of bytes to be programmed. |
mbed_official | 573:ad23fe03a082 | 4056 | * This parameter must be a value between 0 and 255. |
mbed_official | 573:ad23fe03a082 | 4057 | * @param Mode: new state of the I2C START condition generation. |
mbed_official | 573:ad23fe03a082 | 4058 | * This parameter can be one of the following values: |
mbed_official | 573:ad23fe03a082 | 4059 | * @arg I2C_RELOAD_MODE: Enable Reload mode . |
mbed_official | 573:ad23fe03a082 | 4060 | * @arg I2C_AUTOEND_MODE: Enable Automatic end mode. |
mbed_official | 573:ad23fe03a082 | 4061 | * @arg I2C_SOFTEND_MODE: Enable Software end mode. |
mbed_official | 573:ad23fe03a082 | 4062 | * @param Request: new state of the I2C START condition generation. |
mbed_official | 573:ad23fe03a082 | 4063 | * This parameter can be one of the following values: |
mbed_official | 573:ad23fe03a082 | 4064 | * @arg I2C_NO_STARTSTOP: Don't Generate stop and start condition. |
mbed_official | 573:ad23fe03a082 | 4065 | * @arg I2C_GENERATE_STOP: Generate stop condition (Size should be set to 0). |
mbed_official | 573:ad23fe03a082 | 4066 | * @arg I2C_GENERATE_START_READ: Generate Restart for read request. |
mbed_official | 573:ad23fe03a082 | 4067 | * @arg I2C_GENERATE_START_WRITE: Generate Restart for write request. |
mbed_official | 573:ad23fe03a082 | 4068 | * @retval None |
mbed_official | 573:ad23fe03a082 | 4069 | */ |
mbed_official | 573:ad23fe03a082 | 4070 | static void I2C_TransferConfig(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request) |
mbed_official | 573:ad23fe03a082 | 4071 | { |
mbed_official | 573:ad23fe03a082 | 4072 | uint32_t tmpreg = 0; |
mbed_official | 573:ad23fe03a082 | 4073 | |
mbed_official | 573:ad23fe03a082 | 4074 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 4075 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 573:ad23fe03a082 | 4076 | assert_param(IS_TRANSFER_MODE(Mode)); |
mbed_official | 573:ad23fe03a082 | 4077 | assert_param(IS_TRANSFER_REQUEST(Request)); |
mbed_official | 573:ad23fe03a082 | 4078 | |
mbed_official | 573:ad23fe03a082 | 4079 | /* Get the CR2 register value */ |
mbed_official | 573:ad23fe03a082 | 4080 | tmpreg = hi2c->Instance->CR2; |
mbed_official | 573:ad23fe03a082 | 4081 | |
mbed_official | 573:ad23fe03a082 | 4082 | /* clear tmpreg specific bits */ |
mbed_official | 573:ad23fe03a082 | 4083 | tmpreg &= (uint32_t)~((uint32_t)(I2C_CR2_SADD | I2C_CR2_NBYTES | I2C_CR2_RELOAD | I2C_CR2_AUTOEND | I2C_CR2_RD_WRN | I2C_CR2_START | I2C_CR2_STOP)); |
mbed_official | 573:ad23fe03a082 | 4084 | |
mbed_official | 573:ad23fe03a082 | 4085 | /* update tmpreg */ |
mbed_official | 573:ad23fe03a082 | 4086 | tmpreg |= (uint32_t)(((uint32_t)DevAddress & I2C_CR2_SADD) | (((uint32_t)Size << 16 ) & I2C_CR2_NBYTES) | \ |
mbed_official | 573:ad23fe03a082 | 4087 | (uint32_t)Mode | (uint32_t)Request); |
mbed_official | 573:ad23fe03a082 | 4088 | |
mbed_official | 573:ad23fe03a082 | 4089 | /* update CR2 register */ |
mbed_official | 573:ad23fe03a082 | 4090 | hi2c->Instance->CR2 = tmpreg; |
mbed_official | 573:ad23fe03a082 | 4091 | } |
mbed_official | 573:ad23fe03a082 | 4092 | |
mbed_official | 573:ad23fe03a082 | 4093 | /** |
mbed_official | 573:ad23fe03a082 | 4094 | * @} |
mbed_official | 573:ad23fe03a082 | 4095 | */ |
mbed_official | 573:ad23fe03a082 | 4096 | |
mbed_official | 573:ad23fe03a082 | 4097 | /** |
mbed_official | 573:ad23fe03a082 | 4098 | * @} |
mbed_official | 573:ad23fe03a082 | 4099 | */ |
mbed_official | 573:ad23fe03a082 | 4100 | |
mbed_official | 573:ad23fe03a082 | 4101 | #endif /* HAL_I2C_MODULE_ENABLED */ |
mbed_official | 573:ad23fe03a082 | 4102 | /** |
mbed_official | 573:ad23fe03a082 | 4103 | * @} |
mbed_official | 573:ad23fe03a082 | 4104 | */ |
mbed_official | 573:ad23fe03a082 | 4105 | |
mbed_official | 573:ad23fe03a082 | 4106 | /** |
mbed_official | 573:ad23fe03a082 | 4107 | * @} |
mbed_official | 573:ad23fe03a082 | 4108 | */ |
mbed_official | 573:ad23fe03a082 | 4109 | |
mbed_official | 573:ad23fe03a082 | 4110 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |