mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F334R8/stm32f3xx_hal_i2c.c@323:9e901b0a5aa1, 2014-09-13 (annotated)
- Committer:
- shaoziyang
- Date:
- Sat Sep 13 14:25:46 2014 +0000
- Revision:
- 323:9e901b0a5aa1
- Parent:
- 237:f3da66175598
test with CLOCK_SETUP = 0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 237:f3da66175598 | 1 | /** |
mbed_official | 237:f3da66175598 | 2 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 3 | * @file stm32f3xx_hal_i2c.c |
mbed_official | 237:f3da66175598 | 4 | * @author MCD Application Team |
mbed_official | 237:f3da66175598 | 5 | * @version V1.0.1 |
mbed_official | 237:f3da66175598 | 6 | * @date 18-June-2014 |
mbed_official | 237:f3da66175598 | 7 | * @brief I2C HAL module driver. |
mbed_official | 237:f3da66175598 | 8 | * |
mbed_official | 237:f3da66175598 | 9 | * This file provides firmware functions to manage the following |
mbed_official | 237:f3da66175598 | 10 | * functionalities of the Inter Integrated Circuit (I2C) peripheral: |
mbed_official | 237:f3da66175598 | 11 | * + Initialization and de-initialization functions |
mbed_official | 237:f3da66175598 | 12 | * + IO operation functions |
mbed_official | 237:f3da66175598 | 13 | * + Peripheral State functions |
mbed_official | 237:f3da66175598 | 14 | * |
mbed_official | 237:f3da66175598 | 15 | @verbatim |
mbed_official | 237:f3da66175598 | 16 | ============================================================================== |
mbed_official | 237:f3da66175598 | 17 | ##### How to use this driver ##### |
mbed_official | 237:f3da66175598 | 18 | ============================================================================== |
mbed_official | 237:f3da66175598 | 19 | [..] |
mbed_official | 237:f3da66175598 | 20 | The I2C HAL driver can be used as follows: |
mbed_official | 237:f3da66175598 | 21 | |
mbed_official | 237:f3da66175598 | 22 | (#) Declare a I2C_HandleTypeDef handle structure, for example: |
mbed_official | 237:f3da66175598 | 23 | I2C_HandleTypeDef hi2c; |
mbed_official | 237:f3da66175598 | 24 | |
mbed_official | 237:f3da66175598 | 25 | (#)Initialize the I2C low level resources by implement the HAL_I2C_MspInit ()API: |
mbed_official | 237:f3da66175598 | 26 | (##) Enable the I2Cx interface clock |
mbed_official | 237:f3da66175598 | 27 | (##) I2C pins configuration |
mbed_official | 237:f3da66175598 | 28 | (+++) Enable the clock for the I2C GPIOs |
mbed_official | 237:f3da66175598 | 29 | (+++) Configure I2C pins as alternate function open-drain |
mbed_official | 237:f3da66175598 | 30 | (##) NVIC configuration if you need to use interrupt process |
mbed_official | 237:f3da66175598 | 31 | (+++) Configure the I2Cx interrupt priority |
mbed_official | 237:f3da66175598 | 32 | (+++) Enable the NVIC I2C IRQ Channel |
mbed_official | 237:f3da66175598 | 33 | (##) DMA Configuration if you need to use DMA process |
mbed_official | 237:f3da66175598 | 34 | (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive channel |
mbed_official | 237:f3da66175598 | 35 | (+++) Enable the DMAx interface clock using |
mbed_official | 237:f3da66175598 | 36 | (+++) Configure the DMA handle parameters |
mbed_official | 237:f3da66175598 | 37 | (+++) Configure the DMA Tx or Rx channel |
mbed_official | 237:f3da66175598 | 38 | (+++) Associate the initilalized DMA handle to the hi2c DMA Tx or Rx handle |
mbed_official | 237:f3da66175598 | 39 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx or Rx channel |
mbed_official | 237:f3da66175598 | 40 | |
mbed_official | 237:f3da66175598 | 41 | (#) Configure the Communication Clock Timing, Own Address1, Master Adressing Mode, Dual Addressing mode, |
mbed_official | 237:f3da66175598 | 42 | Own Address2, Own Address2 Mask, General call and Nostretch mode in the hi2c Init structure. |
mbed_official | 237:f3da66175598 | 43 | |
mbed_official | 237:f3da66175598 | 44 | (#) Initialize the I2C registers by calling the HAL_I2C_Init() API: |
mbed_official | 237:f3da66175598 | 45 | (+++) These API's configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
mbed_official | 237:f3da66175598 | 46 | by calling the customed HAL_I2C_MspInit(&hi2c) API. |
mbed_official | 237:f3da66175598 | 47 | |
mbed_official | 237:f3da66175598 | 48 | (#) To check if target device is ready for communication, use the function HAL_I2C_IsDeviceReady() |
mbed_official | 237:f3da66175598 | 49 | |
mbed_official | 237:f3da66175598 | 50 | (#) For I2C IO and IO MEM operations, three mode of operations are available within this driver : |
mbed_official | 237:f3da66175598 | 51 | |
mbed_official | 237:f3da66175598 | 52 | *** Polling mode IO operation *** |
mbed_official | 237:f3da66175598 | 53 | ================================= |
mbed_official | 237:f3da66175598 | 54 | [..] |
mbed_official | 237:f3da66175598 | 55 | (+) Transmit in master mode an amount of data in blocking mode using HAL_I2C_Master_Transmit() |
mbed_official | 237:f3da66175598 | 56 | (+) Receive in master mode an amount of data in blocking mode using HAL_I2C_Master_Receive() |
mbed_official | 237:f3da66175598 | 57 | (+) Transmit in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Transmit() |
mbed_official | 237:f3da66175598 | 58 | (+) Receive in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Receive() |
mbed_official | 237:f3da66175598 | 59 | |
mbed_official | 237:f3da66175598 | 60 | *** Polling mode IO MEM operation *** |
mbed_official | 237:f3da66175598 | 61 | ===================================== |
mbed_official | 237:f3da66175598 | 62 | [..] |
mbed_official | 237:f3da66175598 | 63 | (+) Write an amount of data in blocking mode to a specific memory address using HAL_I2C_Mem_Write() |
mbed_official | 237:f3da66175598 | 64 | (+) Read an amount of data in blocking mode from a specific memory address using HAL_I2C_Mem_Read() |
mbed_official | 237:f3da66175598 | 65 | |
mbed_official | 237:f3da66175598 | 66 | |
mbed_official | 237:f3da66175598 | 67 | *** Interrupt mode IO operation *** |
mbed_official | 237:f3da66175598 | 68 | =================================== |
mbed_official | 237:f3da66175598 | 69 | [..] |
mbed_official | 237:f3da66175598 | 70 | (+) Transmit in master mode an amount of data in non blocking mode using HAL_I2C_Master_Transmit_IT() |
mbed_official | 237:f3da66175598 | 71 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 72 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
mbed_official | 237:f3da66175598 | 73 | (+) Receive in master mode an amount of data in non blocking mode using HAL_I2C_Master_Receive_IT() |
mbed_official | 237:f3da66175598 | 74 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 75 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
mbed_official | 237:f3da66175598 | 76 | (+) Transmit in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Transmit_IT() |
mbed_official | 237:f3da66175598 | 77 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 78 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
mbed_official | 237:f3da66175598 | 79 | (+) Receive in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Receive_IT() |
mbed_official | 237:f3da66175598 | 80 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 81 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
mbed_official | 237:f3da66175598 | 82 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 237:f3da66175598 | 83 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 237:f3da66175598 | 84 | |
mbed_official | 237:f3da66175598 | 85 | *** Interrupt mode IO MEM operation *** |
mbed_official | 237:f3da66175598 | 86 | ======================================= |
mbed_official | 237:f3da66175598 | 87 | [..] |
mbed_official | 237:f3da66175598 | 88 | (+) Write an amount of data in no-blocking mode with Interrupt to a specific memory address using |
mbed_official | 237:f3da66175598 | 89 | HAL_I2C_Mem_Write_IT() |
mbed_official | 237:f3da66175598 | 90 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 91 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
mbed_official | 237:f3da66175598 | 92 | (+) Read an amount of data in no-blocking mode with Interrupt from a specific memory address using |
mbed_official | 237:f3da66175598 | 93 | HAL_I2C_Mem_Read_IT() |
mbed_official | 237:f3da66175598 | 94 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 95 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
mbed_official | 237:f3da66175598 | 96 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 237:f3da66175598 | 97 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 237:f3da66175598 | 98 | |
mbed_official | 237:f3da66175598 | 99 | *** DMA mode IO operation *** |
mbed_official | 237:f3da66175598 | 100 | ============================== |
mbed_official | 237:f3da66175598 | 101 | [..] |
mbed_official | 237:f3da66175598 | 102 | (+) Transmit in master mode an amount of data in non blocking mode (DMA) using |
mbed_official | 237:f3da66175598 | 103 | HAL_I2C_Master_Transmit_DMA() |
mbed_official | 237:f3da66175598 | 104 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 105 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
mbed_official | 237:f3da66175598 | 106 | (+) Receive in master mode an amount of data in non blocking mode (DMA) using |
mbed_official | 237:f3da66175598 | 107 | HAL_I2C_Master_Receive_DMA() |
mbed_official | 237:f3da66175598 | 108 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 109 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
mbed_official | 237:f3da66175598 | 110 | (+) Transmit in slave mode an amount of data in non blocking mode (DMA) using |
mbed_official | 237:f3da66175598 | 111 | HAL_I2C_Slave_Transmit_DMA() |
mbed_official | 237:f3da66175598 | 112 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 113 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
mbed_official | 237:f3da66175598 | 114 | (+) Receive in slave mode an amount of data in non blocking mode (DMA) using |
mbed_official | 237:f3da66175598 | 115 | HAL_I2C_Slave_Receive_DMA() |
mbed_official | 237:f3da66175598 | 116 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 117 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
mbed_official | 237:f3da66175598 | 118 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 237:f3da66175598 | 119 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 237:f3da66175598 | 120 | |
mbed_official | 237:f3da66175598 | 121 | *** DMA mode IO MEM operation *** |
mbed_official | 237:f3da66175598 | 122 | ================================= |
mbed_official | 237:f3da66175598 | 123 | [..] |
mbed_official | 237:f3da66175598 | 124 | (+) Write an amount of data in no-blocking mode with DMA to a specific memory address using |
mbed_official | 237:f3da66175598 | 125 | HAL_I2C_Mem_Write_DMA() |
mbed_official | 237:f3da66175598 | 126 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 127 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
mbed_official | 237:f3da66175598 | 128 | (+) Read an amount of data in no-blocking mode with DMA from a specific memory address using |
mbed_official | 237:f3da66175598 | 129 | HAL_I2C_Mem_Read_DMA() |
mbed_official | 237:f3da66175598 | 130 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
mbed_official | 237:f3da66175598 | 131 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
mbed_official | 237:f3da66175598 | 132 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 237:f3da66175598 | 133 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 237:f3da66175598 | 134 | |
mbed_official | 237:f3da66175598 | 135 | |
mbed_official | 237:f3da66175598 | 136 | *** I2C HAL driver macros list *** |
mbed_official | 237:f3da66175598 | 137 | ================================== |
mbed_official | 237:f3da66175598 | 138 | [..] |
mbed_official | 237:f3da66175598 | 139 | Below the list of most used macros in I2C HAL driver. |
mbed_official | 237:f3da66175598 | 140 | |
mbed_official | 237:f3da66175598 | 141 | (+) __HAL_I2C_ENABLE: Enable the I2C peripheral |
mbed_official | 237:f3da66175598 | 142 | (+) __HAL_I2C_DISABLE: Disable the I2C peripheral |
mbed_official | 237:f3da66175598 | 143 | (+) __HAL_I2C_GET_FLAG : Checks whether the specified I2C flag is set or not |
mbed_official | 237:f3da66175598 | 144 | (+) __HAL_I2C_CLEAR_FLAG : Clears the specified I2C pending flag |
mbed_official | 237:f3da66175598 | 145 | (+) __HAL_I2C_ENABLE_IT: Enables the specified I2C interrupt |
mbed_official | 237:f3da66175598 | 146 | (+) __HAL_I2C_DISABLE_IT: Disables the specified I2C interrupt |
mbed_official | 237:f3da66175598 | 147 | |
mbed_official | 237:f3da66175598 | 148 | [..] |
mbed_official | 237:f3da66175598 | 149 | (@) You can refer to the I2C HAL driver header file for more useful macros |
mbed_official | 237:f3da66175598 | 150 | |
mbed_official | 237:f3da66175598 | 151 | @endverbatim |
mbed_official | 237:f3da66175598 | 152 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 153 | * @attention |
mbed_official | 237:f3da66175598 | 154 | * |
mbed_official | 237:f3da66175598 | 155 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 237:f3da66175598 | 156 | * |
mbed_official | 237:f3da66175598 | 157 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 237:f3da66175598 | 158 | * are permitted provided that the following conditions are met: |
mbed_official | 237:f3da66175598 | 159 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 237:f3da66175598 | 160 | * this list of conditions and the following disclaimer. |
mbed_official | 237:f3da66175598 | 161 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 237:f3da66175598 | 162 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 237:f3da66175598 | 163 | * and/or other materials provided with the distribution. |
mbed_official | 237:f3da66175598 | 164 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 237:f3da66175598 | 165 | * may be used to endorse or promote products derived from this software |
mbed_official | 237:f3da66175598 | 166 | * without specific prior written permission. |
mbed_official | 237:f3da66175598 | 167 | * |
mbed_official | 237:f3da66175598 | 168 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 237:f3da66175598 | 169 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 237:f3da66175598 | 170 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 237:f3da66175598 | 171 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 237:f3da66175598 | 172 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 237:f3da66175598 | 173 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 237:f3da66175598 | 174 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 237:f3da66175598 | 175 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 237:f3da66175598 | 176 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 237:f3da66175598 | 177 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 237:f3da66175598 | 178 | * |
mbed_official | 237:f3da66175598 | 179 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 180 | */ |
mbed_official | 237:f3da66175598 | 181 | |
mbed_official | 237:f3da66175598 | 182 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 183 | #include "stm32f3xx_hal.h" |
mbed_official | 237:f3da66175598 | 184 | |
mbed_official | 237:f3da66175598 | 185 | /** @addtogroup STM32F3xx_HAL_Driver |
mbed_official | 237:f3da66175598 | 186 | * @{ |
mbed_official | 237:f3da66175598 | 187 | */ |
mbed_official | 237:f3da66175598 | 188 | |
mbed_official | 237:f3da66175598 | 189 | /** @defgroup I2C |
mbed_official | 237:f3da66175598 | 190 | * @brief I2C HAL module driver |
mbed_official | 237:f3da66175598 | 191 | * @{ |
mbed_official | 237:f3da66175598 | 192 | */ |
mbed_official | 237:f3da66175598 | 193 | |
mbed_official | 237:f3da66175598 | 194 | #ifdef HAL_I2C_MODULE_ENABLED |
mbed_official | 237:f3da66175598 | 195 | |
mbed_official | 237:f3da66175598 | 196 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 197 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 198 | #define TIMING_CLEAR_MASK ((uint32_t)0xF0FFFFFF) /*<! I2C TIMING clear register Mask */ |
mbed_official | 237:f3da66175598 | 199 | #define I2C_TIMEOUT_ADDR ((uint32_t)10000) /* 10 s */ |
mbed_official | 237:f3da66175598 | 200 | #define I2C_TIMEOUT_BUSY ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 201 | #define I2C_TIMEOUT_DIR ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 202 | #define I2C_TIMEOUT_RXNE ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 203 | #define I2C_TIMEOUT_STOPF ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 204 | #define I2C_TIMEOUT_TC ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 205 | #define I2C_TIMEOUT_TCR ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 206 | #define I2C_TIMEOUT_TXIS ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 207 | #define I2C_TIMEOUT_FLAG ((uint32_t)25) /* 25 ms */ |
mbed_official | 237:f3da66175598 | 208 | |
mbed_official | 237:f3da66175598 | 209 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 210 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 211 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 212 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 213 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 214 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 215 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 216 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 217 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 218 | static void I2C_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 237:f3da66175598 | 219 | |
mbed_official | 237:f3da66175598 | 220 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 221 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 222 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 223 | static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 224 | static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 225 | static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 226 | static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 227 | static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 237:f3da66175598 | 228 | |
mbed_official | 237:f3da66175598 | 229 | static HAL_StatusTypeDef I2C_MasterTransmit_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 237:f3da66175598 | 230 | static HAL_StatusTypeDef I2C_MasterReceive_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 237:f3da66175598 | 231 | |
mbed_official | 237:f3da66175598 | 232 | static HAL_StatusTypeDef I2C_SlaveTransmit_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 237:f3da66175598 | 233 | static HAL_StatusTypeDef I2C_SlaveReceive_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 237:f3da66175598 | 234 | |
mbed_official | 237:f3da66175598 | 235 | static void I2C_TransferConfig(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request); |
mbed_official | 237:f3da66175598 | 236 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 237 | |
mbed_official | 237:f3da66175598 | 238 | /** @defgroup I2C_Private_Functions |
mbed_official | 237:f3da66175598 | 239 | * @{ |
mbed_official | 237:f3da66175598 | 240 | */ |
mbed_official | 237:f3da66175598 | 241 | |
mbed_official | 237:f3da66175598 | 242 | /** @defgroup HAL_I2C_Group1 Initialization/de-initialization functions |
mbed_official | 237:f3da66175598 | 243 | * @brief Initialization and Configuration functions |
mbed_official | 237:f3da66175598 | 244 | * |
mbed_official | 237:f3da66175598 | 245 | @verbatim |
mbed_official | 237:f3da66175598 | 246 | =============================================================================== |
mbed_official | 237:f3da66175598 | 247 | ##### Initialization/de-initialization functions ##### |
mbed_official | 237:f3da66175598 | 248 | =============================================================================== |
mbed_official | 237:f3da66175598 | 249 | [..] This subsection provides a set of functions allowing to initialize and |
mbed_official | 237:f3da66175598 | 250 | de-initialiaze the I2Cx peripheral: |
mbed_official | 237:f3da66175598 | 251 | |
mbed_official | 237:f3da66175598 | 252 | (+) User must Implement HAL_I2C_MspInit() function in which he configures |
mbed_official | 237:f3da66175598 | 253 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). |
mbed_official | 237:f3da66175598 | 254 | |
mbed_official | 237:f3da66175598 | 255 | (+) Call the function HAL_I2C_Init() to configure the selected device with |
mbed_official | 237:f3da66175598 | 256 | the selected configuration: |
mbed_official | 237:f3da66175598 | 257 | (++) Clock Timing |
mbed_official | 237:f3da66175598 | 258 | (++) Own Address 1 |
mbed_official | 237:f3da66175598 | 259 | (++) Addressing mode (Master, Slave) |
mbed_official | 237:f3da66175598 | 260 | (++) Dual Addressing mode |
mbed_official | 237:f3da66175598 | 261 | (++) Own Address 2 |
mbed_official | 237:f3da66175598 | 262 | (++) Own Address 2 Mask |
mbed_official | 237:f3da66175598 | 263 | (++) General call mode |
mbed_official | 237:f3da66175598 | 264 | (++) Nostretch mode |
mbed_official | 237:f3da66175598 | 265 | |
mbed_official | 237:f3da66175598 | 266 | (+) Call the function HAL_I2C_DeInit() to restore the default configuration |
mbed_official | 237:f3da66175598 | 267 | of the selected I2Cx periperal. |
mbed_official | 237:f3da66175598 | 268 | |
mbed_official | 237:f3da66175598 | 269 | @endverbatim |
mbed_official | 237:f3da66175598 | 270 | * @{ |
mbed_official | 237:f3da66175598 | 271 | */ |
mbed_official | 237:f3da66175598 | 272 | |
mbed_official | 237:f3da66175598 | 273 | /** |
mbed_official | 237:f3da66175598 | 274 | * @brief Initializes the I2C according to the specified parameters |
mbed_official | 237:f3da66175598 | 275 | * in the I2C_InitTypeDef and create the associated handle. |
mbed_official | 237:f3da66175598 | 276 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 277 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 278 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 279 | */ |
mbed_official | 237:f3da66175598 | 280 | HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 281 | { |
mbed_official | 237:f3da66175598 | 282 | /* Check the I2C handle allocation */ |
mbed_official | 237:f3da66175598 | 283 | if(hi2c == NULL) |
mbed_official | 237:f3da66175598 | 284 | { |
mbed_official | 237:f3da66175598 | 285 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 286 | } |
mbed_official | 237:f3da66175598 | 287 | |
mbed_official | 237:f3da66175598 | 288 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 289 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 237:f3da66175598 | 290 | assert_param(IS_I2C_OWN_ADDRESS1(hi2c->Init.OwnAddress1)); |
mbed_official | 237:f3da66175598 | 291 | assert_param(IS_I2C_ADDRESSING_MODE(hi2c->Init.AddressingMode)); |
mbed_official | 237:f3da66175598 | 292 | assert_param(IS_I2C_DUAL_ADDRESS(hi2c->Init.DualAddressMode)); |
mbed_official | 237:f3da66175598 | 293 | assert_param(IS_I2C_OWN_ADDRESS2(hi2c->Init.OwnAddress2)); |
mbed_official | 237:f3da66175598 | 294 | assert_param(IS_I2C_OWN_ADDRESS2_MASK(hi2c->Init.OwnAddress2Masks)); |
mbed_official | 237:f3da66175598 | 295 | assert_param(IS_I2C_GENERAL_CALL(hi2c->Init.GeneralCallMode)); |
mbed_official | 237:f3da66175598 | 296 | assert_param(IS_I2C_NO_STRETCH(hi2c->Init.NoStretchMode)); |
mbed_official | 237:f3da66175598 | 297 | |
mbed_official | 237:f3da66175598 | 298 | if(hi2c->State == HAL_I2C_STATE_RESET) |
mbed_official | 237:f3da66175598 | 299 | { |
mbed_official | 237:f3da66175598 | 300 | /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */ |
mbed_official | 237:f3da66175598 | 301 | HAL_I2C_MspInit(hi2c); |
mbed_official | 237:f3da66175598 | 302 | } |
mbed_official | 237:f3da66175598 | 303 | |
mbed_official | 237:f3da66175598 | 304 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 305 | |
mbed_official | 237:f3da66175598 | 306 | /* Disable the selected I2C peripheral */ |
mbed_official | 237:f3da66175598 | 307 | __HAL_I2C_DISABLE(hi2c); |
mbed_official | 237:f3da66175598 | 308 | |
mbed_official | 237:f3da66175598 | 309 | /*---------------------------- I2Cx TIMINGR Configuration ------------------*/ |
mbed_official | 237:f3da66175598 | 310 | /* Configure I2Cx: Frequency range */ |
mbed_official | 237:f3da66175598 | 311 | hi2c->Instance->TIMINGR = hi2c->Init.Timing & TIMING_CLEAR_MASK; |
mbed_official | 237:f3da66175598 | 312 | |
mbed_official | 237:f3da66175598 | 313 | /*---------------------------- I2Cx OAR1 Configuration ---------------------*/ |
mbed_official | 237:f3da66175598 | 314 | /* Configure I2Cx: Own Address1 and ack own address1 mode */ |
mbed_official | 237:f3da66175598 | 315 | hi2c->Instance->OAR1 &= ~I2C_OAR1_OA1EN; |
mbed_official | 237:f3da66175598 | 316 | if(hi2c->Init.OwnAddress1 != 0) |
mbed_official | 237:f3da66175598 | 317 | { |
mbed_official | 237:f3da66175598 | 318 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) |
mbed_official | 237:f3da66175598 | 319 | { |
mbed_official | 237:f3da66175598 | 320 | hi2c->Instance->OAR1 = (I2C_OAR1_OA1EN | hi2c->Init.OwnAddress1); |
mbed_official | 237:f3da66175598 | 321 | } |
mbed_official | 237:f3da66175598 | 322 | else /* I2C_ADDRESSINGMODE_10BIT */ |
mbed_official | 237:f3da66175598 | 323 | { |
mbed_official | 237:f3da66175598 | 324 | hi2c->Instance->OAR1 = (I2C_OAR1_OA1EN | I2C_OAR1_OA1MODE | hi2c->Init.OwnAddress1); |
mbed_official | 237:f3da66175598 | 325 | } |
mbed_official | 237:f3da66175598 | 326 | } |
mbed_official | 237:f3da66175598 | 327 | |
mbed_official | 237:f3da66175598 | 328 | /*---------------------------- I2Cx CR2 Configuration ----------------------*/ |
mbed_official | 237:f3da66175598 | 329 | /* Configure I2Cx: Addressing Master mode */ |
mbed_official | 237:f3da66175598 | 330 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 237:f3da66175598 | 331 | { |
mbed_official | 237:f3da66175598 | 332 | hi2c->Instance->CR2 = (I2C_CR2_ADD10); |
mbed_official | 237:f3da66175598 | 333 | } |
mbed_official | 237:f3da66175598 | 334 | /* Enable the AUTOEND by default, and enable NACK (should be disable only during Slave process */ |
mbed_official | 237:f3da66175598 | 335 | hi2c->Instance->CR2 |= (I2C_CR2_AUTOEND | I2C_CR2_NACK); |
mbed_official | 237:f3da66175598 | 336 | |
mbed_official | 237:f3da66175598 | 337 | /*---------------------------- I2Cx OAR2 Configuration ---------------------*/ |
mbed_official | 237:f3da66175598 | 338 | /* Configure I2Cx: Dual mode and Own Address2 */ |
mbed_official | 237:f3da66175598 | 339 | hi2c->Instance->OAR2 = (hi2c->Init.DualAddressMode | hi2c->Init.OwnAddress2 | (hi2c->Init.OwnAddress2Masks << 8)); |
mbed_official | 237:f3da66175598 | 340 | |
mbed_official | 237:f3da66175598 | 341 | /*---------------------------- I2Cx CR1 Configuration ----------------------*/ |
mbed_official | 237:f3da66175598 | 342 | /* Configure I2Cx: Generalcall and NoStretch mode */ |
mbed_official | 237:f3da66175598 | 343 | hi2c->Instance->CR1 = (hi2c->Init.GeneralCallMode | hi2c->Init.NoStretchMode); |
mbed_official | 237:f3da66175598 | 344 | |
mbed_official | 237:f3da66175598 | 345 | /* Enable the selected I2C peripheral */ |
mbed_official | 237:f3da66175598 | 346 | __HAL_I2C_ENABLE(hi2c); |
mbed_official | 237:f3da66175598 | 347 | |
mbed_official | 237:f3da66175598 | 348 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 349 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 350 | |
mbed_official | 237:f3da66175598 | 351 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 352 | } |
mbed_official | 237:f3da66175598 | 353 | |
mbed_official | 237:f3da66175598 | 354 | /** |
mbed_official | 237:f3da66175598 | 355 | * @brief DeInitializes the I2C peripheral. |
mbed_official | 237:f3da66175598 | 356 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 357 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 358 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 359 | */ |
mbed_official | 237:f3da66175598 | 360 | HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 361 | { |
mbed_official | 237:f3da66175598 | 362 | /* Check the I2C handle allocation */ |
mbed_official | 237:f3da66175598 | 363 | if(hi2c == NULL) |
mbed_official | 237:f3da66175598 | 364 | { |
mbed_official | 237:f3da66175598 | 365 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 366 | } |
mbed_official | 237:f3da66175598 | 367 | |
mbed_official | 237:f3da66175598 | 368 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 369 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 237:f3da66175598 | 370 | |
mbed_official | 237:f3da66175598 | 371 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 372 | |
mbed_official | 237:f3da66175598 | 373 | /* Disable the I2C Peripheral Clock */ |
mbed_official | 237:f3da66175598 | 374 | __HAL_I2C_DISABLE(hi2c); |
mbed_official | 237:f3da66175598 | 375 | |
mbed_official | 237:f3da66175598 | 376 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ |
mbed_official | 237:f3da66175598 | 377 | HAL_I2C_MspDeInit(hi2c); |
mbed_official | 237:f3da66175598 | 378 | |
mbed_official | 237:f3da66175598 | 379 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 380 | hi2c->State = HAL_I2C_STATE_RESET; |
mbed_official | 237:f3da66175598 | 381 | |
mbed_official | 237:f3da66175598 | 382 | /* Release Lock */ |
mbed_official | 237:f3da66175598 | 383 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 384 | |
mbed_official | 237:f3da66175598 | 385 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 386 | } |
mbed_official | 237:f3da66175598 | 387 | |
mbed_official | 237:f3da66175598 | 388 | /** |
mbed_official | 237:f3da66175598 | 389 | * @brief I2C MSP Init. |
mbed_official | 237:f3da66175598 | 390 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 391 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 392 | * @retval None |
mbed_official | 237:f3da66175598 | 393 | */ |
mbed_official | 237:f3da66175598 | 394 | __weak void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 395 | { |
mbed_official | 237:f3da66175598 | 396 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 397 | the HAL_I2C_MspInit could be implemented in the user file |
mbed_official | 237:f3da66175598 | 398 | */ |
mbed_official | 237:f3da66175598 | 399 | } |
mbed_official | 237:f3da66175598 | 400 | |
mbed_official | 237:f3da66175598 | 401 | /** |
mbed_official | 237:f3da66175598 | 402 | * @brief I2C MSP DeInit |
mbed_official | 237:f3da66175598 | 403 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 404 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 405 | * @retval None |
mbed_official | 237:f3da66175598 | 406 | */ |
mbed_official | 237:f3da66175598 | 407 | __weak void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 408 | { |
mbed_official | 237:f3da66175598 | 409 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 410 | the HAL_I2C_MspDeInit could be implemented in the user file |
mbed_official | 237:f3da66175598 | 411 | */ |
mbed_official | 237:f3da66175598 | 412 | } |
mbed_official | 237:f3da66175598 | 413 | |
mbed_official | 237:f3da66175598 | 414 | /** |
mbed_official | 237:f3da66175598 | 415 | * @} |
mbed_official | 237:f3da66175598 | 416 | */ |
mbed_official | 237:f3da66175598 | 417 | |
mbed_official | 237:f3da66175598 | 418 | /** @defgroup HAL_I2C_Group2 I/O operation functions |
mbed_official | 237:f3da66175598 | 419 | * @brief Data transfers functions |
mbed_official | 237:f3da66175598 | 420 | * |
mbed_official | 237:f3da66175598 | 421 | @verbatim |
mbed_official | 237:f3da66175598 | 422 | =============================================================================== |
mbed_official | 237:f3da66175598 | 423 | ##### IO operation functions ##### |
mbed_official | 237:f3da66175598 | 424 | =============================================================================== |
mbed_official | 237:f3da66175598 | 425 | [..] |
mbed_official | 237:f3da66175598 | 426 | This subsection provides a set of functions allowing to manage the I2C data |
mbed_official | 237:f3da66175598 | 427 | transfers. |
mbed_official | 237:f3da66175598 | 428 | |
mbed_official | 237:f3da66175598 | 429 | (#) There is two mode of transfer: |
mbed_official | 237:f3da66175598 | 430 | (++) Blocking mode : The communication is performed in the polling mode. |
mbed_official | 237:f3da66175598 | 431 | The status of all data processing is returned by the same function |
mbed_official | 237:f3da66175598 | 432 | after finishing transfer. |
mbed_official | 237:f3da66175598 | 433 | (++) No-Blocking mode : The communication is performed using Interrupts |
mbed_official | 237:f3da66175598 | 434 | or DMA. These functions return the status of the transfer startup. |
mbed_official | 237:f3da66175598 | 435 | The end of the data processing will be indicated through the |
mbed_official | 237:f3da66175598 | 436 | dedicated I2C IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 237:f3da66175598 | 437 | using DMA mode. |
mbed_official | 237:f3da66175598 | 438 | |
mbed_official | 237:f3da66175598 | 439 | (#) Blocking mode functions are : |
mbed_official | 237:f3da66175598 | 440 | (++) HAL_I2C_Master_Transmit() |
mbed_official | 237:f3da66175598 | 441 | (++) HAL_I2C_Master_Receive() |
mbed_official | 237:f3da66175598 | 442 | (++) HAL_I2C_Slave_Transmit() |
mbed_official | 237:f3da66175598 | 443 | (++) HAL_I2C_Slave_Receive() |
mbed_official | 237:f3da66175598 | 444 | (++) HAL_I2C_Mem_Write() |
mbed_official | 237:f3da66175598 | 445 | (++) HAL_I2C_Mem_Read() |
mbed_official | 237:f3da66175598 | 446 | (++) HAL_I2C_IsDeviceReady() |
mbed_official | 237:f3da66175598 | 447 | |
mbed_official | 237:f3da66175598 | 448 | (#) No-Blocking mode functions with Interrupt are : |
mbed_official | 237:f3da66175598 | 449 | (++) HAL_I2C_Master_Transmit_IT() |
mbed_official | 237:f3da66175598 | 450 | (++) HAL_I2C_Master_Receive_IT() |
mbed_official | 237:f3da66175598 | 451 | (++) HAL_I2C_Slave_Transmit_IT() |
mbed_official | 237:f3da66175598 | 452 | (++) HAL_I2C_Slave_Receive_IT() |
mbed_official | 237:f3da66175598 | 453 | (++) HAL_I2C_Mem_Write_IT() |
mbed_official | 237:f3da66175598 | 454 | (++) HAL_I2C_Mem_Read_IT() |
mbed_official | 237:f3da66175598 | 455 | |
mbed_official | 237:f3da66175598 | 456 | (#) No-Blocking mode functions with DMA are : |
mbed_official | 237:f3da66175598 | 457 | (++) HAL_I2C_Master_Transmit_DMA() |
mbed_official | 237:f3da66175598 | 458 | (++) HAL_I2C_Master_Receive_DMA() |
mbed_official | 237:f3da66175598 | 459 | (++) HAL_I2C_Slave_Transmit_DMA() |
mbed_official | 237:f3da66175598 | 460 | (++) HAL_I2C_Slave_Receive_DMA() |
mbed_official | 237:f3da66175598 | 461 | (++) HAL_I2C_Mem_Write_DMA() |
mbed_official | 237:f3da66175598 | 462 | (++) HAL_I2C_Mem_Read_DMA() |
mbed_official | 237:f3da66175598 | 463 | |
mbed_official | 237:f3da66175598 | 464 | (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: |
mbed_official | 237:f3da66175598 | 465 | (++) HAL_I2C_MemTxCpltCallback() |
mbed_official | 237:f3da66175598 | 466 | (++) HAL_I2C_MemRxCpltCallback() |
mbed_official | 237:f3da66175598 | 467 | (++) HAL_I2C_MasterTxCpltCallback() |
mbed_official | 237:f3da66175598 | 468 | (++) HAL_I2C_MasterRxCpltCallback() |
mbed_official | 237:f3da66175598 | 469 | (++) HAL_I2C_SlaveTxCpltCallback() |
mbed_official | 237:f3da66175598 | 470 | (++) HAL_I2C_SlaveRxCpltCallback() |
mbed_official | 237:f3da66175598 | 471 | (++) HAL_I2C_ErrorCallback() |
mbed_official | 237:f3da66175598 | 472 | |
mbed_official | 237:f3da66175598 | 473 | @endverbatim |
mbed_official | 237:f3da66175598 | 474 | * @{ |
mbed_official | 237:f3da66175598 | 475 | */ |
mbed_official | 237:f3da66175598 | 476 | |
mbed_official | 237:f3da66175598 | 477 | /** |
mbed_official | 237:f3da66175598 | 478 | * @brief Transmits in master mode an amount of data in blocking mode. |
mbed_official | 237:f3da66175598 | 479 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 480 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 481 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 482 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 483 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 484 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 485 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 486 | */ |
mbed_official | 237:f3da66175598 | 487 | HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 488 | { |
mbed_official | 237:f3da66175598 | 489 | uint32_t sizetmp = 0; |
mbed_official | 237:f3da66175598 | 490 | |
mbed_official | 237:f3da66175598 | 491 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 492 | { |
mbed_official | 237:f3da66175598 | 493 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 494 | { |
mbed_official | 237:f3da66175598 | 495 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 496 | } |
mbed_official | 237:f3da66175598 | 497 | |
mbed_official | 237:f3da66175598 | 498 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 499 | { |
mbed_official | 237:f3da66175598 | 500 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 501 | } |
mbed_official | 237:f3da66175598 | 502 | |
mbed_official | 237:f3da66175598 | 503 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 504 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 505 | |
mbed_official | 237:f3da66175598 | 506 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 237:f3da66175598 | 507 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 508 | |
mbed_official | 237:f3da66175598 | 509 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 510 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 511 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 237:f3da66175598 | 512 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 513 | { |
mbed_official | 237:f3da66175598 | 514 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 515 | sizetmp = 255; |
mbed_official | 237:f3da66175598 | 516 | } |
mbed_official | 237:f3da66175598 | 517 | else |
mbed_official | 237:f3da66175598 | 518 | { |
mbed_official | 237:f3da66175598 | 519 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 520 | sizetmp = Size; |
mbed_official | 237:f3da66175598 | 521 | } |
mbed_official | 237:f3da66175598 | 522 | |
mbed_official | 237:f3da66175598 | 523 | do |
mbed_official | 237:f3da66175598 | 524 | { |
mbed_official | 237:f3da66175598 | 525 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 526 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 527 | { |
mbed_official | 237:f3da66175598 | 528 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 529 | { |
mbed_official | 237:f3da66175598 | 530 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 531 | } |
mbed_official | 237:f3da66175598 | 532 | else |
mbed_official | 237:f3da66175598 | 533 | { |
mbed_official | 237:f3da66175598 | 534 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 535 | } |
mbed_official | 237:f3da66175598 | 536 | } |
mbed_official | 237:f3da66175598 | 537 | /* Write data to TXDR */ |
mbed_official | 237:f3da66175598 | 538 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 237:f3da66175598 | 539 | sizetmp--; |
mbed_official | 237:f3da66175598 | 540 | Size--; |
mbed_official | 237:f3da66175598 | 541 | |
mbed_official | 237:f3da66175598 | 542 | if((sizetmp == 0)&&(Size!=0)) |
mbed_official | 237:f3da66175598 | 543 | { |
mbed_official | 237:f3da66175598 | 544 | /* Wait until TXE flag is set */ |
mbed_official | 237:f3da66175598 | 545 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 546 | { |
mbed_official | 237:f3da66175598 | 547 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 548 | } |
mbed_official | 237:f3da66175598 | 549 | |
mbed_official | 237:f3da66175598 | 550 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 551 | { |
mbed_official | 237:f3da66175598 | 552 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 553 | sizetmp = 255; |
mbed_official | 237:f3da66175598 | 554 | } |
mbed_official | 237:f3da66175598 | 555 | else |
mbed_official | 237:f3da66175598 | 556 | { |
mbed_official | 237:f3da66175598 | 557 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 558 | sizetmp = Size; |
mbed_official | 237:f3da66175598 | 559 | } |
mbed_official | 237:f3da66175598 | 560 | } |
mbed_official | 237:f3da66175598 | 561 | |
mbed_official | 237:f3da66175598 | 562 | }while(Size > 0); |
mbed_official | 237:f3da66175598 | 563 | |
mbed_official | 237:f3da66175598 | 564 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 565 | /* Wait until STOPF flag is set */ |
mbed_official | 237:f3da66175598 | 566 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 567 | { |
mbed_official | 237:f3da66175598 | 568 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 569 | { |
mbed_official | 237:f3da66175598 | 570 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 571 | } |
mbed_official | 237:f3da66175598 | 572 | else |
mbed_official | 237:f3da66175598 | 573 | { |
mbed_official | 237:f3da66175598 | 574 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 575 | } |
mbed_official | 237:f3da66175598 | 576 | } |
mbed_official | 237:f3da66175598 | 577 | |
mbed_official | 237:f3da66175598 | 578 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 579 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 580 | |
mbed_official | 237:f3da66175598 | 581 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 582 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 583 | |
mbed_official | 237:f3da66175598 | 584 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 585 | |
mbed_official | 237:f3da66175598 | 586 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 587 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 588 | |
mbed_official | 237:f3da66175598 | 589 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 590 | } |
mbed_official | 237:f3da66175598 | 591 | else |
mbed_official | 237:f3da66175598 | 592 | { |
mbed_official | 237:f3da66175598 | 593 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 594 | } |
mbed_official | 237:f3da66175598 | 595 | } |
mbed_official | 237:f3da66175598 | 596 | |
mbed_official | 237:f3da66175598 | 597 | /** |
mbed_official | 237:f3da66175598 | 598 | * @brief Receives in master mode an amount of data in blocking mode. |
mbed_official | 237:f3da66175598 | 599 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 600 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 601 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 602 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 603 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 604 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 605 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 606 | */ |
mbed_official | 237:f3da66175598 | 607 | HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 608 | { |
mbed_official | 237:f3da66175598 | 609 | uint32_t sizetmp = 0; |
mbed_official | 237:f3da66175598 | 610 | |
mbed_official | 237:f3da66175598 | 611 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 612 | { |
mbed_official | 237:f3da66175598 | 613 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 614 | { |
mbed_official | 237:f3da66175598 | 615 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 616 | } |
mbed_official | 237:f3da66175598 | 617 | |
mbed_official | 237:f3da66175598 | 618 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 619 | { |
mbed_official | 237:f3da66175598 | 620 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 621 | } |
mbed_official | 237:f3da66175598 | 622 | |
mbed_official | 237:f3da66175598 | 623 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 624 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 625 | |
mbed_official | 237:f3da66175598 | 626 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 237:f3da66175598 | 627 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 628 | |
mbed_official | 237:f3da66175598 | 629 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 630 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 631 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 237:f3da66175598 | 632 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 633 | { |
mbed_official | 237:f3da66175598 | 634 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 635 | sizetmp = 255; |
mbed_official | 237:f3da66175598 | 636 | } |
mbed_official | 237:f3da66175598 | 637 | else |
mbed_official | 237:f3da66175598 | 638 | { |
mbed_official | 237:f3da66175598 | 639 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 640 | sizetmp = Size; |
mbed_official | 237:f3da66175598 | 641 | } |
mbed_official | 237:f3da66175598 | 642 | |
mbed_official | 237:f3da66175598 | 643 | do |
mbed_official | 237:f3da66175598 | 644 | { |
mbed_official | 237:f3da66175598 | 645 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 646 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 647 | { |
mbed_official | 237:f3da66175598 | 648 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 649 | } |
mbed_official | 237:f3da66175598 | 650 | |
mbed_official | 237:f3da66175598 | 651 | /* Write data to RXDR */ |
mbed_official | 237:f3da66175598 | 652 | (*pData++) =hi2c->Instance->RXDR; |
mbed_official | 237:f3da66175598 | 653 | sizetmp--; |
mbed_official | 237:f3da66175598 | 654 | Size--; |
mbed_official | 237:f3da66175598 | 655 | |
mbed_official | 237:f3da66175598 | 656 | if((sizetmp == 0)&&(Size!=0)) |
mbed_official | 237:f3da66175598 | 657 | { |
mbed_official | 237:f3da66175598 | 658 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 659 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 660 | { |
mbed_official | 237:f3da66175598 | 661 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 662 | } |
mbed_official | 237:f3da66175598 | 663 | |
mbed_official | 237:f3da66175598 | 664 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 665 | { |
mbed_official | 237:f3da66175598 | 666 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 667 | sizetmp = 255; |
mbed_official | 237:f3da66175598 | 668 | } |
mbed_official | 237:f3da66175598 | 669 | else |
mbed_official | 237:f3da66175598 | 670 | { |
mbed_official | 237:f3da66175598 | 671 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 672 | sizetmp = Size; |
mbed_official | 237:f3da66175598 | 673 | } |
mbed_official | 237:f3da66175598 | 674 | } |
mbed_official | 237:f3da66175598 | 675 | |
mbed_official | 237:f3da66175598 | 676 | }while(Size > 0); |
mbed_official | 237:f3da66175598 | 677 | |
mbed_official | 237:f3da66175598 | 678 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 679 | /* Wait until STOPF flag is set */ |
mbed_official | 237:f3da66175598 | 680 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 681 | { |
mbed_official | 237:f3da66175598 | 682 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 683 | { |
mbed_official | 237:f3da66175598 | 684 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 685 | } |
mbed_official | 237:f3da66175598 | 686 | else |
mbed_official | 237:f3da66175598 | 687 | { |
mbed_official | 237:f3da66175598 | 688 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 689 | } |
mbed_official | 237:f3da66175598 | 690 | } |
mbed_official | 237:f3da66175598 | 691 | |
mbed_official | 237:f3da66175598 | 692 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 693 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 694 | |
mbed_official | 237:f3da66175598 | 695 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 696 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 697 | |
mbed_official | 237:f3da66175598 | 698 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 699 | |
mbed_official | 237:f3da66175598 | 700 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 701 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 702 | |
mbed_official | 237:f3da66175598 | 703 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 704 | } |
mbed_official | 237:f3da66175598 | 705 | else |
mbed_official | 237:f3da66175598 | 706 | { |
mbed_official | 237:f3da66175598 | 707 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 708 | } |
mbed_official | 237:f3da66175598 | 709 | } |
mbed_official | 237:f3da66175598 | 710 | |
mbed_official | 237:f3da66175598 | 711 | /** |
mbed_official | 237:f3da66175598 | 712 | * @brief Transmits in slave mode an amount of data in blocking mode. |
mbed_official | 237:f3da66175598 | 713 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 714 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 715 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 716 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 717 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 718 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 719 | */ |
mbed_official | 237:f3da66175598 | 720 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 721 | { |
mbed_official | 237:f3da66175598 | 722 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 723 | { |
mbed_official | 237:f3da66175598 | 724 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 725 | { |
mbed_official | 237:f3da66175598 | 726 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 727 | } |
mbed_official | 237:f3da66175598 | 728 | |
mbed_official | 237:f3da66175598 | 729 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 730 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 731 | |
mbed_official | 237:f3da66175598 | 732 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 733 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 734 | |
mbed_official | 237:f3da66175598 | 735 | /* Enable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 736 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 737 | |
mbed_official | 237:f3da66175598 | 738 | /* Wait until ADDR flag is set */ |
mbed_official | 237:f3da66175598 | 739 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 740 | { |
mbed_official | 237:f3da66175598 | 741 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 742 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 743 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 744 | } |
mbed_official | 237:f3da66175598 | 745 | |
mbed_official | 237:f3da66175598 | 746 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 747 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 748 | |
mbed_official | 237:f3da66175598 | 749 | /* If 10bit addressing mode is selected */ |
mbed_official | 237:f3da66175598 | 750 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 237:f3da66175598 | 751 | { |
mbed_official | 237:f3da66175598 | 752 | /* Wait until ADDR flag is set */ |
mbed_official | 237:f3da66175598 | 753 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 754 | { |
mbed_official | 237:f3da66175598 | 755 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 756 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 757 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 758 | } |
mbed_official | 237:f3da66175598 | 759 | |
mbed_official | 237:f3da66175598 | 760 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 761 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 762 | } |
mbed_official | 237:f3da66175598 | 763 | |
mbed_official | 237:f3da66175598 | 764 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 237:f3da66175598 | 765 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 766 | { |
mbed_official | 237:f3da66175598 | 767 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 768 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 769 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 770 | } |
mbed_official | 237:f3da66175598 | 771 | |
mbed_official | 237:f3da66175598 | 772 | do |
mbed_official | 237:f3da66175598 | 773 | { |
mbed_official | 237:f3da66175598 | 774 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 775 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 776 | { |
mbed_official | 237:f3da66175598 | 777 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 778 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 779 | |
mbed_official | 237:f3da66175598 | 780 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 781 | { |
mbed_official | 237:f3da66175598 | 782 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 783 | } |
mbed_official | 237:f3da66175598 | 784 | else |
mbed_official | 237:f3da66175598 | 785 | { |
mbed_official | 237:f3da66175598 | 786 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 787 | } |
mbed_official | 237:f3da66175598 | 788 | } |
mbed_official | 237:f3da66175598 | 789 | |
mbed_official | 237:f3da66175598 | 790 | /* Read data from TXDR */ |
mbed_official | 237:f3da66175598 | 791 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 237:f3da66175598 | 792 | Size--; |
mbed_official | 237:f3da66175598 | 793 | }while(Size > 0); |
mbed_official | 237:f3da66175598 | 794 | |
mbed_official | 237:f3da66175598 | 795 | /* Wait until STOP flag is set */ |
mbed_official | 237:f3da66175598 | 796 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 797 | { |
mbed_official | 237:f3da66175598 | 798 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 799 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 800 | |
mbed_official | 237:f3da66175598 | 801 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 802 | { |
mbed_official | 237:f3da66175598 | 803 | /* Normal use case for Transmitter mode */ |
mbed_official | 237:f3da66175598 | 804 | /* A NACK is generated to confirm the end of transfer */ |
mbed_official | 237:f3da66175598 | 805 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 806 | } |
mbed_official | 237:f3da66175598 | 807 | else |
mbed_official | 237:f3da66175598 | 808 | { |
mbed_official | 237:f3da66175598 | 809 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 810 | } |
mbed_official | 237:f3da66175598 | 811 | } |
mbed_official | 237:f3da66175598 | 812 | |
mbed_official | 237:f3da66175598 | 813 | /* Clear STOP flag */ |
mbed_official | 237:f3da66175598 | 814 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 815 | |
mbed_official | 237:f3da66175598 | 816 | /* Wait until BUSY flag is reset */ |
mbed_official | 237:f3da66175598 | 817 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 818 | { |
mbed_official | 237:f3da66175598 | 819 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 820 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 821 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 822 | } |
mbed_official | 237:f3da66175598 | 823 | |
mbed_official | 237:f3da66175598 | 824 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 825 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 826 | |
mbed_official | 237:f3da66175598 | 827 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 828 | |
mbed_official | 237:f3da66175598 | 829 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 830 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 831 | |
mbed_official | 237:f3da66175598 | 832 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 833 | } |
mbed_official | 237:f3da66175598 | 834 | else |
mbed_official | 237:f3da66175598 | 835 | { |
mbed_official | 237:f3da66175598 | 836 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 837 | } |
mbed_official | 237:f3da66175598 | 838 | } |
mbed_official | 237:f3da66175598 | 839 | |
mbed_official | 237:f3da66175598 | 840 | /** |
mbed_official | 237:f3da66175598 | 841 | * @brief Receive in slave mode an amount of data in blocking mode |
mbed_official | 237:f3da66175598 | 842 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 843 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 844 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 845 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 846 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 847 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 848 | */ |
mbed_official | 237:f3da66175598 | 849 | HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 850 | { |
mbed_official | 237:f3da66175598 | 851 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 852 | { |
mbed_official | 237:f3da66175598 | 853 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 854 | { |
mbed_official | 237:f3da66175598 | 855 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 856 | } |
mbed_official | 237:f3da66175598 | 857 | |
mbed_official | 237:f3da66175598 | 858 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 859 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 860 | |
mbed_official | 237:f3da66175598 | 861 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 862 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 863 | |
mbed_official | 237:f3da66175598 | 864 | /* Enable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 865 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 866 | |
mbed_official | 237:f3da66175598 | 867 | /* Wait until ADDR flag is set */ |
mbed_official | 237:f3da66175598 | 868 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 869 | { |
mbed_official | 237:f3da66175598 | 870 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 871 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 872 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 873 | } |
mbed_official | 237:f3da66175598 | 874 | |
mbed_official | 237:f3da66175598 | 875 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 876 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 877 | |
mbed_official | 237:f3da66175598 | 878 | /* Wait until DIR flag is reset Receiver mode */ |
mbed_official | 237:f3da66175598 | 879 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 880 | { |
mbed_official | 237:f3da66175598 | 881 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 882 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 883 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 884 | } |
mbed_official | 237:f3da66175598 | 885 | |
mbed_official | 237:f3da66175598 | 886 | while(Size > 0) |
mbed_official | 237:f3da66175598 | 887 | { |
mbed_official | 237:f3da66175598 | 888 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 889 | if(I2C_WaitOnRXNEFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 890 | { |
mbed_official | 237:f3da66175598 | 891 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 892 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 893 | if(hi2c->ErrorCode == HAL_I2C_ERROR_TIMEOUT) |
mbed_official | 237:f3da66175598 | 894 | { |
mbed_official | 237:f3da66175598 | 895 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 896 | } |
mbed_official | 237:f3da66175598 | 897 | else |
mbed_official | 237:f3da66175598 | 898 | { |
mbed_official | 237:f3da66175598 | 899 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 900 | } |
mbed_official | 237:f3da66175598 | 901 | } |
mbed_official | 237:f3da66175598 | 902 | |
mbed_official | 237:f3da66175598 | 903 | /* Read data from RXDR */ |
mbed_official | 237:f3da66175598 | 904 | (*pData++) = hi2c->Instance->RXDR; |
mbed_official | 237:f3da66175598 | 905 | Size--; |
mbed_official | 237:f3da66175598 | 906 | } |
mbed_official | 237:f3da66175598 | 907 | |
mbed_official | 237:f3da66175598 | 908 | /* Wait until STOP flag is set */ |
mbed_official | 237:f3da66175598 | 909 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 910 | { |
mbed_official | 237:f3da66175598 | 911 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 912 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 913 | |
mbed_official | 237:f3da66175598 | 914 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 915 | { |
mbed_official | 237:f3da66175598 | 916 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 917 | } |
mbed_official | 237:f3da66175598 | 918 | else |
mbed_official | 237:f3da66175598 | 919 | { |
mbed_official | 237:f3da66175598 | 920 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 921 | } |
mbed_official | 237:f3da66175598 | 922 | } |
mbed_official | 237:f3da66175598 | 923 | |
mbed_official | 237:f3da66175598 | 924 | /* Clear STOP flag */ |
mbed_official | 237:f3da66175598 | 925 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 926 | |
mbed_official | 237:f3da66175598 | 927 | /* Wait until BUSY flag is reset */ |
mbed_official | 237:f3da66175598 | 928 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 929 | { |
mbed_official | 237:f3da66175598 | 930 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 931 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 932 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 933 | } |
mbed_official | 237:f3da66175598 | 934 | |
mbed_official | 237:f3da66175598 | 935 | |
mbed_official | 237:f3da66175598 | 936 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 937 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 938 | |
mbed_official | 237:f3da66175598 | 939 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 940 | |
mbed_official | 237:f3da66175598 | 941 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 942 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 943 | |
mbed_official | 237:f3da66175598 | 944 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 945 | } |
mbed_official | 237:f3da66175598 | 946 | else |
mbed_official | 237:f3da66175598 | 947 | { |
mbed_official | 237:f3da66175598 | 948 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 949 | } |
mbed_official | 237:f3da66175598 | 950 | } |
mbed_official | 237:f3da66175598 | 951 | |
mbed_official | 237:f3da66175598 | 952 | /** |
mbed_official | 237:f3da66175598 | 953 | * @brief Transmit in master mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 237:f3da66175598 | 954 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 955 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 956 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 957 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 958 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 959 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 960 | */ |
mbed_official | 237:f3da66175598 | 961 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 962 | { |
mbed_official | 237:f3da66175598 | 963 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 964 | { |
mbed_official | 237:f3da66175598 | 965 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 966 | { |
mbed_official | 237:f3da66175598 | 967 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 968 | } |
mbed_official | 237:f3da66175598 | 969 | |
mbed_official | 237:f3da66175598 | 970 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 971 | { |
mbed_official | 237:f3da66175598 | 972 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 973 | } |
mbed_official | 237:f3da66175598 | 974 | |
mbed_official | 237:f3da66175598 | 975 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 976 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 977 | |
mbed_official | 237:f3da66175598 | 978 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 237:f3da66175598 | 979 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 980 | |
mbed_official | 237:f3da66175598 | 981 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 982 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 983 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 984 | { |
mbed_official | 237:f3da66175598 | 985 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 986 | } |
mbed_official | 237:f3da66175598 | 987 | else |
mbed_official | 237:f3da66175598 | 988 | { |
mbed_official | 237:f3da66175598 | 989 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 990 | } |
mbed_official | 237:f3da66175598 | 991 | |
mbed_official | 237:f3da66175598 | 992 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 993 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 994 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 995 | { |
mbed_official | 237:f3da66175598 | 996 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 997 | } |
mbed_official | 237:f3da66175598 | 998 | else |
mbed_official | 237:f3da66175598 | 999 | { |
mbed_official | 237:f3da66175598 | 1000 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 1001 | } |
mbed_official | 237:f3da66175598 | 1002 | |
mbed_official | 237:f3da66175598 | 1003 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1004 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1005 | |
mbed_official | 237:f3da66175598 | 1006 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 237:f3da66175598 | 1007 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 237:f3da66175598 | 1008 | process unlock */ |
mbed_official | 237:f3da66175598 | 1009 | |
mbed_official | 237:f3da66175598 | 1010 | |
mbed_official | 237:f3da66175598 | 1011 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 1012 | /* possible to enable all of these */ |
mbed_official | 237:f3da66175598 | 1013 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 237:f3da66175598 | 1014 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 237:f3da66175598 | 1015 | |
mbed_official | 237:f3da66175598 | 1016 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1017 | } |
mbed_official | 237:f3da66175598 | 1018 | else |
mbed_official | 237:f3da66175598 | 1019 | { |
mbed_official | 237:f3da66175598 | 1020 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1021 | } |
mbed_official | 237:f3da66175598 | 1022 | } |
mbed_official | 237:f3da66175598 | 1023 | |
mbed_official | 237:f3da66175598 | 1024 | /** |
mbed_official | 237:f3da66175598 | 1025 | * @brief Receive in master mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 237:f3da66175598 | 1026 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1027 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1028 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1029 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1030 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1031 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1032 | */ |
mbed_official | 237:f3da66175598 | 1033 | HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1034 | { |
mbed_official | 237:f3da66175598 | 1035 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1036 | { |
mbed_official | 237:f3da66175598 | 1037 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1038 | { |
mbed_official | 237:f3da66175598 | 1039 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1040 | } |
mbed_official | 237:f3da66175598 | 1041 | |
mbed_official | 237:f3da66175598 | 1042 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1043 | { |
mbed_official | 237:f3da66175598 | 1044 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1045 | } |
mbed_official | 237:f3da66175598 | 1046 | |
mbed_official | 237:f3da66175598 | 1047 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1048 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1049 | |
mbed_official | 237:f3da66175598 | 1050 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1051 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1052 | |
mbed_official | 237:f3da66175598 | 1053 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1054 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1055 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1056 | { |
mbed_official | 237:f3da66175598 | 1057 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 1058 | } |
mbed_official | 237:f3da66175598 | 1059 | else |
mbed_official | 237:f3da66175598 | 1060 | { |
mbed_official | 237:f3da66175598 | 1061 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1062 | } |
mbed_official | 237:f3da66175598 | 1063 | |
mbed_official | 237:f3da66175598 | 1064 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 1065 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 1066 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 1067 | { |
mbed_official | 237:f3da66175598 | 1068 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1069 | } |
mbed_official | 237:f3da66175598 | 1070 | else |
mbed_official | 237:f3da66175598 | 1071 | { |
mbed_official | 237:f3da66175598 | 1072 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1073 | } |
mbed_official | 237:f3da66175598 | 1074 | |
mbed_official | 237:f3da66175598 | 1075 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1076 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1077 | |
mbed_official | 237:f3da66175598 | 1078 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 237:f3da66175598 | 1079 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 237:f3da66175598 | 1080 | process unlock */ |
mbed_official | 237:f3da66175598 | 1081 | |
mbed_official | 237:f3da66175598 | 1082 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 237:f3da66175598 | 1083 | /* possible to enable all of these */ |
mbed_official | 237:f3da66175598 | 1084 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 237:f3da66175598 | 1085 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI | I2C_IT_STOPI | I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 237:f3da66175598 | 1086 | |
mbed_official | 237:f3da66175598 | 1087 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1088 | } |
mbed_official | 237:f3da66175598 | 1089 | else |
mbed_official | 237:f3da66175598 | 1090 | { |
mbed_official | 237:f3da66175598 | 1091 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1092 | } |
mbed_official | 237:f3da66175598 | 1093 | } |
mbed_official | 237:f3da66175598 | 1094 | |
mbed_official | 237:f3da66175598 | 1095 | /** |
mbed_official | 237:f3da66175598 | 1096 | * @brief Transmit in slave mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 237:f3da66175598 | 1097 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1098 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1099 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1100 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1101 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1102 | */ |
mbed_official | 237:f3da66175598 | 1103 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1104 | { |
mbed_official | 237:f3da66175598 | 1105 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1106 | { |
mbed_official | 237:f3da66175598 | 1107 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1108 | { |
mbed_official | 237:f3da66175598 | 1109 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1110 | } |
mbed_official | 237:f3da66175598 | 1111 | |
mbed_official | 237:f3da66175598 | 1112 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1113 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1114 | |
mbed_official | 237:f3da66175598 | 1115 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_TX; |
mbed_official | 237:f3da66175598 | 1116 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1117 | |
mbed_official | 237:f3da66175598 | 1118 | /* Enable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1119 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1120 | |
mbed_official | 237:f3da66175598 | 1121 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1122 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1123 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1124 | |
mbed_official | 237:f3da66175598 | 1125 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1126 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1127 | |
mbed_official | 237:f3da66175598 | 1128 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 237:f3da66175598 | 1129 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 237:f3da66175598 | 1130 | process unlock */ |
mbed_official | 237:f3da66175598 | 1131 | |
mbed_official | 237:f3da66175598 | 1132 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 1133 | /* possible to enable all of these */ |
mbed_official | 237:f3da66175598 | 1134 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 237:f3da66175598 | 1135 | __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 | 237:f3da66175598 | 1136 | |
mbed_official | 237:f3da66175598 | 1137 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1138 | } |
mbed_official | 237:f3da66175598 | 1139 | else |
mbed_official | 237:f3da66175598 | 1140 | { |
mbed_official | 237:f3da66175598 | 1141 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1142 | } |
mbed_official | 237:f3da66175598 | 1143 | } |
mbed_official | 237:f3da66175598 | 1144 | |
mbed_official | 237:f3da66175598 | 1145 | /** |
mbed_official | 237:f3da66175598 | 1146 | * @brief Receive in slave mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 237:f3da66175598 | 1147 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1148 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1149 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1150 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1151 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1152 | */ |
mbed_official | 237:f3da66175598 | 1153 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1154 | { |
mbed_official | 237:f3da66175598 | 1155 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1156 | { |
mbed_official | 237:f3da66175598 | 1157 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1158 | { |
mbed_official | 237:f3da66175598 | 1159 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1160 | } |
mbed_official | 237:f3da66175598 | 1161 | |
mbed_official | 237:f3da66175598 | 1162 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1163 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1164 | |
mbed_official | 237:f3da66175598 | 1165 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1166 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1167 | |
mbed_official | 237:f3da66175598 | 1168 | /* Enable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1169 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1170 | |
mbed_official | 237:f3da66175598 | 1171 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1172 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1173 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1174 | |
mbed_official | 237:f3da66175598 | 1175 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1176 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1177 | |
mbed_official | 237:f3da66175598 | 1178 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 237:f3da66175598 | 1179 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 237:f3da66175598 | 1180 | process unlock */ |
mbed_official | 237:f3da66175598 | 1181 | |
mbed_official | 237:f3da66175598 | 1182 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 237:f3da66175598 | 1183 | /* possible to enable all of these */ |
mbed_official | 237:f3da66175598 | 1184 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 237:f3da66175598 | 1185 | __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 | 237:f3da66175598 | 1186 | |
mbed_official | 237:f3da66175598 | 1187 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1188 | } |
mbed_official | 237:f3da66175598 | 1189 | else |
mbed_official | 237:f3da66175598 | 1190 | { |
mbed_official | 237:f3da66175598 | 1191 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1192 | } |
mbed_official | 237:f3da66175598 | 1193 | } |
mbed_official | 237:f3da66175598 | 1194 | |
mbed_official | 237:f3da66175598 | 1195 | /** |
mbed_official | 237:f3da66175598 | 1196 | * @brief Transmit in master mode an amount of data in no-blocking mode with DMA |
mbed_official | 237:f3da66175598 | 1197 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1198 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1199 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1200 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1201 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1202 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1203 | */ |
mbed_official | 237:f3da66175598 | 1204 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1205 | { |
mbed_official | 237:f3da66175598 | 1206 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1207 | { |
mbed_official | 237:f3da66175598 | 1208 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1209 | { |
mbed_official | 237:f3da66175598 | 1210 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1211 | } |
mbed_official | 237:f3da66175598 | 1212 | |
mbed_official | 237:f3da66175598 | 1213 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1214 | { |
mbed_official | 237:f3da66175598 | 1215 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1216 | } |
mbed_official | 237:f3da66175598 | 1217 | |
mbed_official | 237:f3da66175598 | 1218 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1219 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1220 | |
mbed_official | 237:f3da66175598 | 1221 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 237:f3da66175598 | 1222 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1223 | |
mbed_official | 237:f3da66175598 | 1224 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1225 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1226 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1227 | { |
mbed_official | 237:f3da66175598 | 1228 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 1229 | } |
mbed_official | 237:f3da66175598 | 1230 | else |
mbed_official | 237:f3da66175598 | 1231 | { |
mbed_official | 237:f3da66175598 | 1232 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1233 | } |
mbed_official | 237:f3da66175598 | 1234 | |
mbed_official | 237:f3da66175598 | 1235 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 237:f3da66175598 | 1236 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMasterTransmitCplt; |
mbed_official | 237:f3da66175598 | 1237 | |
mbed_official | 237:f3da66175598 | 1238 | /* Set the DMA error callback */ |
mbed_official | 237:f3da66175598 | 1239 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 237:f3da66175598 | 1240 | |
mbed_official | 237:f3da66175598 | 1241 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 1242 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 1243 | |
mbed_official | 237:f3da66175598 | 1244 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 1245 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 1246 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 1247 | { |
mbed_official | 237:f3da66175598 | 1248 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 1249 | } |
mbed_official | 237:f3da66175598 | 1250 | else |
mbed_official | 237:f3da66175598 | 1251 | { |
mbed_official | 237:f3da66175598 | 1252 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 1253 | } |
mbed_official | 237:f3da66175598 | 1254 | |
mbed_official | 237:f3da66175598 | 1255 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 1256 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1257 | { |
mbed_official | 237:f3da66175598 | 1258 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1259 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1260 | |
mbed_official | 237:f3da66175598 | 1261 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1262 | { |
mbed_official | 237:f3da66175598 | 1263 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1264 | } |
mbed_official | 237:f3da66175598 | 1265 | else |
mbed_official | 237:f3da66175598 | 1266 | { |
mbed_official | 237:f3da66175598 | 1267 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1268 | } |
mbed_official | 237:f3da66175598 | 1269 | } |
mbed_official | 237:f3da66175598 | 1270 | |
mbed_official | 237:f3da66175598 | 1271 | |
mbed_official | 237:f3da66175598 | 1272 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 1273 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 1274 | |
mbed_official | 237:f3da66175598 | 1275 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1276 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1277 | |
mbed_official | 237:f3da66175598 | 1278 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1279 | } |
mbed_official | 237:f3da66175598 | 1280 | else |
mbed_official | 237:f3da66175598 | 1281 | { |
mbed_official | 237:f3da66175598 | 1282 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1283 | } |
mbed_official | 237:f3da66175598 | 1284 | } |
mbed_official | 237:f3da66175598 | 1285 | |
mbed_official | 237:f3da66175598 | 1286 | /** |
mbed_official | 237:f3da66175598 | 1287 | * @brief Receive in master mode an amount of data in no-blocking mode with DMA |
mbed_official | 237:f3da66175598 | 1288 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1289 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1290 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1291 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1292 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1293 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1294 | */ |
mbed_official | 237:f3da66175598 | 1295 | HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1296 | { |
mbed_official | 237:f3da66175598 | 1297 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1298 | { |
mbed_official | 237:f3da66175598 | 1299 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1300 | { |
mbed_official | 237:f3da66175598 | 1301 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1302 | } |
mbed_official | 237:f3da66175598 | 1303 | |
mbed_official | 237:f3da66175598 | 1304 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1305 | { |
mbed_official | 237:f3da66175598 | 1306 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1307 | } |
mbed_official | 237:f3da66175598 | 1308 | |
mbed_official | 237:f3da66175598 | 1309 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1310 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1311 | |
mbed_official | 237:f3da66175598 | 1312 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1313 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1314 | |
mbed_official | 237:f3da66175598 | 1315 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1316 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1317 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1318 | { |
mbed_official | 237:f3da66175598 | 1319 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 1320 | } |
mbed_official | 237:f3da66175598 | 1321 | else |
mbed_official | 237:f3da66175598 | 1322 | { |
mbed_official | 237:f3da66175598 | 1323 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1324 | } |
mbed_official | 237:f3da66175598 | 1325 | |
mbed_official | 237:f3da66175598 | 1326 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 237:f3da66175598 | 1327 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMasterReceiveCplt; |
mbed_official | 237:f3da66175598 | 1328 | |
mbed_official | 237:f3da66175598 | 1329 | /* Set the DMA error callback */ |
mbed_official | 237:f3da66175598 | 1330 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 237:f3da66175598 | 1331 | |
mbed_official | 237:f3da66175598 | 1332 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 1333 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 1334 | |
mbed_official | 237:f3da66175598 | 1335 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 1336 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 1337 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 1338 | { |
mbed_official | 237:f3da66175598 | 1339 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1340 | } |
mbed_official | 237:f3da66175598 | 1341 | else |
mbed_official | 237:f3da66175598 | 1342 | { |
mbed_official | 237:f3da66175598 | 1343 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1344 | } |
mbed_official | 237:f3da66175598 | 1345 | |
mbed_official | 237:f3da66175598 | 1346 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 1347 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1348 | { |
mbed_official | 237:f3da66175598 | 1349 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1350 | } |
mbed_official | 237:f3da66175598 | 1351 | |
mbed_official | 237:f3da66175598 | 1352 | |
mbed_official | 237:f3da66175598 | 1353 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 1354 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 1355 | |
mbed_official | 237:f3da66175598 | 1356 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1357 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1358 | |
mbed_official | 237:f3da66175598 | 1359 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1360 | } |
mbed_official | 237:f3da66175598 | 1361 | else |
mbed_official | 237:f3da66175598 | 1362 | { |
mbed_official | 237:f3da66175598 | 1363 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1364 | } |
mbed_official | 237:f3da66175598 | 1365 | } |
mbed_official | 237:f3da66175598 | 1366 | |
mbed_official | 237:f3da66175598 | 1367 | /** |
mbed_official | 237:f3da66175598 | 1368 | * @brief Transmit in slave mode an amount of data in no-blocking mode with DMA |
mbed_official | 237:f3da66175598 | 1369 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1370 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1371 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1372 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1373 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1374 | */ |
mbed_official | 237:f3da66175598 | 1375 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1376 | { |
mbed_official | 237:f3da66175598 | 1377 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1378 | { |
mbed_official | 237:f3da66175598 | 1379 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1380 | { |
mbed_official | 237:f3da66175598 | 1381 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1382 | } |
mbed_official | 237:f3da66175598 | 1383 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1384 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1385 | |
mbed_official | 237:f3da66175598 | 1386 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_TX; |
mbed_official | 237:f3da66175598 | 1387 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1388 | |
mbed_official | 237:f3da66175598 | 1389 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1390 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1391 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1392 | |
mbed_official | 237:f3da66175598 | 1393 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 237:f3da66175598 | 1394 | hi2c->hdmatx->XferCpltCallback = I2C_DMASlaveTransmitCplt; |
mbed_official | 237:f3da66175598 | 1395 | |
mbed_official | 237:f3da66175598 | 1396 | /* Set the DMA error callback */ |
mbed_official | 237:f3da66175598 | 1397 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 237:f3da66175598 | 1398 | |
mbed_official | 237:f3da66175598 | 1399 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 1400 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 1401 | |
mbed_official | 237:f3da66175598 | 1402 | /* Enable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1403 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1404 | |
mbed_official | 237:f3da66175598 | 1405 | /* Wait until ADDR flag is set */ |
mbed_official | 237:f3da66175598 | 1406 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1407 | { |
mbed_official | 237:f3da66175598 | 1408 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1409 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1410 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1411 | } |
mbed_official | 237:f3da66175598 | 1412 | |
mbed_official | 237:f3da66175598 | 1413 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 1414 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 1415 | |
mbed_official | 237:f3da66175598 | 1416 | /* If 10bits addressing mode is selected */ |
mbed_official | 237:f3da66175598 | 1417 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 237:f3da66175598 | 1418 | { |
mbed_official | 237:f3da66175598 | 1419 | /* Wait until ADDR flag is set */ |
mbed_official | 237:f3da66175598 | 1420 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1421 | { |
mbed_official | 237:f3da66175598 | 1422 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1423 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1424 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1425 | } |
mbed_official | 237:f3da66175598 | 1426 | |
mbed_official | 237:f3da66175598 | 1427 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 1428 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 1429 | } |
mbed_official | 237:f3da66175598 | 1430 | |
mbed_official | 237:f3da66175598 | 1431 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 237:f3da66175598 | 1432 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1433 | { |
mbed_official | 237:f3da66175598 | 1434 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1435 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1436 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1437 | } |
mbed_official | 237:f3da66175598 | 1438 | |
mbed_official | 237:f3da66175598 | 1439 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 1440 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 1441 | |
mbed_official | 237:f3da66175598 | 1442 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1443 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1444 | |
mbed_official | 237:f3da66175598 | 1445 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1446 | } |
mbed_official | 237:f3da66175598 | 1447 | else |
mbed_official | 237:f3da66175598 | 1448 | { |
mbed_official | 237:f3da66175598 | 1449 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1450 | } |
mbed_official | 237:f3da66175598 | 1451 | } |
mbed_official | 237:f3da66175598 | 1452 | |
mbed_official | 237:f3da66175598 | 1453 | /** |
mbed_official | 237:f3da66175598 | 1454 | * @brief Receive in slave mode an amount of data in no-blocking mode with DMA |
mbed_official | 237:f3da66175598 | 1455 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1456 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1457 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1458 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1459 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1460 | */ |
mbed_official | 237:f3da66175598 | 1461 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 237:f3da66175598 | 1462 | { |
mbed_official | 237:f3da66175598 | 1463 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1464 | { |
mbed_official | 237:f3da66175598 | 1465 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1466 | { |
mbed_official | 237:f3da66175598 | 1467 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1468 | } |
mbed_official | 237:f3da66175598 | 1469 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1470 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1471 | |
mbed_official | 237:f3da66175598 | 1472 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1473 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1474 | |
mbed_official | 237:f3da66175598 | 1475 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1476 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1477 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1478 | |
mbed_official | 237:f3da66175598 | 1479 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 237:f3da66175598 | 1480 | hi2c->hdmarx->XferCpltCallback = I2C_DMASlaveReceiveCplt; |
mbed_official | 237:f3da66175598 | 1481 | |
mbed_official | 237:f3da66175598 | 1482 | /* Set the DMA error callback */ |
mbed_official | 237:f3da66175598 | 1483 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 237:f3da66175598 | 1484 | |
mbed_official | 237:f3da66175598 | 1485 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 1486 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, Size); |
mbed_official | 237:f3da66175598 | 1487 | |
mbed_official | 237:f3da66175598 | 1488 | /* Enable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1489 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1490 | |
mbed_official | 237:f3da66175598 | 1491 | /* Wait until ADDR flag is set */ |
mbed_official | 237:f3da66175598 | 1492 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1493 | { |
mbed_official | 237:f3da66175598 | 1494 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1495 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1496 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1497 | } |
mbed_official | 237:f3da66175598 | 1498 | |
mbed_official | 237:f3da66175598 | 1499 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 1500 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 1501 | |
mbed_official | 237:f3da66175598 | 1502 | /* Wait until DIR flag is set Receiver mode */ |
mbed_official | 237:f3da66175598 | 1503 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, I2C_TIMEOUT_DIR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1504 | { |
mbed_official | 237:f3da66175598 | 1505 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 1506 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 1507 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1508 | } |
mbed_official | 237:f3da66175598 | 1509 | |
mbed_official | 237:f3da66175598 | 1510 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 1511 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 1512 | |
mbed_official | 237:f3da66175598 | 1513 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1514 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1515 | |
mbed_official | 237:f3da66175598 | 1516 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1517 | } |
mbed_official | 237:f3da66175598 | 1518 | else |
mbed_official | 237:f3da66175598 | 1519 | { |
mbed_official | 237:f3da66175598 | 1520 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1521 | } |
mbed_official | 237:f3da66175598 | 1522 | } |
mbed_official | 237:f3da66175598 | 1523 | /** |
mbed_official | 237:f3da66175598 | 1524 | * @brief Write an amount of data in blocking mode to a specific memory address |
mbed_official | 237:f3da66175598 | 1525 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1526 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1527 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1528 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 1529 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 1530 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1531 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1532 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 1533 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1534 | */ |
mbed_official | 237:f3da66175598 | 1535 | 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 | 237:f3da66175598 | 1536 | { |
mbed_official | 237:f3da66175598 | 1537 | uint32_t Sizetmp = 0; |
mbed_official | 237:f3da66175598 | 1538 | |
mbed_official | 237:f3da66175598 | 1539 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 1540 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 237:f3da66175598 | 1541 | |
mbed_official | 237:f3da66175598 | 1542 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1543 | { |
mbed_official | 237:f3da66175598 | 1544 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1545 | { |
mbed_official | 237:f3da66175598 | 1546 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1547 | } |
mbed_official | 237:f3da66175598 | 1548 | |
mbed_official | 237:f3da66175598 | 1549 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1550 | { |
mbed_official | 237:f3da66175598 | 1551 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1552 | } |
mbed_official | 237:f3da66175598 | 1553 | |
mbed_official | 237:f3da66175598 | 1554 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1555 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1556 | |
mbed_official | 237:f3da66175598 | 1557 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 237:f3da66175598 | 1558 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1559 | |
mbed_official | 237:f3da66175598 | 1560 | /* Send Slave Address and Memory Address */ |
mbed_official | 237:f3da66175598 | 1561 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1562 | { |
mbed_official | 237:f3da66175598 | 1563 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1564 | { |
mbed_official | 237:f3da66175598 | 1565 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1566 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1567 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1568 | } |
mbed_official | 237:f3da66175598 | 1569 | else |
mbed_official | 237:f3da66175598 | 1570 | { |
mbed_official | 237:f3da66175598 | 1571 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1572 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1573 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1574 | } |
mbed_official | 237:f3da66175598 | 1575 | } |
mbed_official | 237:f3da66175598 | 1576 | |
mbed_official | 237:f3da66175598 | 1577 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 1578 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 237:f3da66175598 | 1579 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1580 | { |
mbed_official | 237:f3da66175598 | 1581 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1582 | Sizetmp = 255; |
mbed_official | 237:f3da66175598 | 1583 | } |
mbed_official | 237:f3da66175598 | 1584 | else |
mbed_official | 237:f3da66175598 | 1585 | { |
mbed_official | 237:f3da66175598 | 1586 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1587 | Sizetmp = Size; |
mbed_official | 237:f3da66175598 | 1588 | } |
mbed_official | 237:f3da66175598 | 1589 | |
mbed_official | 237:f3da66175598 | 1590 | do |
mbed_official | 237:f3da66175598 | 1591 | { |
mbed_official | 237:f3da66175598 | 1592 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 1593 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1594 | { |
mbed_official | 237:f3da66175598 | 1595 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1596 | { |
mbed_official | 237:f3da66175598 | 1597 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1598 | } |
mbed_official | 237:f3da66175598 | 1599 | else |
mbed_official | 237:f3da66175598 | 1600 | { |
mbed_official | 237:f3da66175598 | 1601 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1602 | } |
mbed_official | 237:f3da66175598 | 1603 | } |
mbed_official | 237:f3da66175598 | 1604 | |
mbed_official | 237:f3da66175598 | 1605 | /* Write data to DR */ |
mbed_official | 237:f3da66175598 | 1606 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 237:f3da66175598 | 1607 | Sizetmp--; |
mbed_official | 237:f3da66175598 | 1608 | Size--; |
mbed_official | 237:f3da66175598 | 1609 | |
mbed_official | 237:f3da66175598 | 1610 | if((Sizetmp == 0)&&(Size!=0)) |
mbed_official | 237:f3da66175598 | 1611 | { |
mbed_official | 237:f3da66175598 | 1612 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 1613 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1614 | { |
mbed_official | 237:f3da66175598 | 1615 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1616 | } |
mbed_official | 237:f3da66175598 | 1617 | |
mbed_official | 237:f3da66175598 | 1618 | |
mbed_official | 237:f3da66175598 | 1619 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1620 | { |
mbed_official | 237:f3da66175598 | 1621 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1622 | Sizetmp = 255; |
mbed_official | 237:f3da66175598 | 1623 | } |
mbed_official | 237:f3da66175598 | 1624 | else |
mbed_official | 237:f3da66175598 | 1625 | { |
mbed_official | 237:f3da66175598 | 1626 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1627 | Sizetmp = Size; |
mbed_official | 237:f3da66175598 | 1628 | } |
mbed_official | 237:f3da66175598 | 1629 | } |
mbed_official | 237:f3da66175598 | 1630 | |
mbed_official | 237:f3da66175598 | 1631 | }while(Size > 0); |
mbed_official | 237:f3da66175598 | 1632 | |
mbed_official | 237:f3da66175598 | 1633 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 1634 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 1635 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1636 | { |
mbed_official | 237:f3da66175598 | 1637 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1638 | { |
mbed_official | 237:f3da66175598 | 1639 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1640 | } |
mbed_official | 237:f3da66175598 | 1641 | else |
mbed_official | 237:f3da66175598 | 1642 | { |
mbed_official | 237:f3da66175598 | 1643 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1644 | } |
mbed_official | 237:f3da66175598 | 1645 | } |
mbed_official | 237:f3da66175598 | 1646 | |
mbed_official | 237:f3da66175598 | 1647 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 1648 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 1649 | |
mbed_official | 237:f3da66175598 | 1650 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 1651 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 1652 | |
mbed_official | 237:f3da66175598 | 1653 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 1654 | |
mbed_official | 237:f3da66175598 | 1655 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1656 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1657 | |
mbed_official | 237:f3da66175598 | 1658 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1659 | } |
mbed_official | 237:f3da66175598 | 1660 | else |
mbed_official | 237:f3da66175598 | 1661 | { |
mbed_official | 237:f3da66175598 | 1662 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1663 | } |
mbed_official | 237:f3da66175598 | 1664 | } |
mbed_official | 237:f3da66175598 | 1665 | |
mbed_official | 237:f3da66175598 | 1666 | /** |
mbed_official | 237:f3da66175598 | 1667 | * @brief Read an amount of data in blocking mode from a specific memory address |
mbed_official | 237:f3da66175598 | 1668 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1669 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1670 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1671 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 1672 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 1673 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1674 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1675 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 1676 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1677 | */ |
mbed_official | 237:f3da66175598 | 1678 | 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 | 237:f3da66175598 | 1679 | { |
mbed_official | 237:f3da66175598 | 1680 | uint32_t Sizetmp = 0; |
mbed_official | 237:f3da66175598 | 1681 | |
mbed_official | 237:f3da66175598 | 1682 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 1683 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 237:f3da66175598 | 1684 | |
mbed_official | 237:f3da66175598 | 1685 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1686 | { |
mbed_official | 237:f3da66175598 | 1687 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1688 | { |
mbed_official | 237:f3da66175598 | 1689 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1690 | } |
mbed_official | 237:f3da66175598 | 1691 | |
mbed_official | 237:f3da66175598 | 1692 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1693 | { |
mbed_official | 237:f3da66175598 | 1694 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1695 | } |
mbed_official | 237:f3da66175598 | 1696 | |
mbed_official | 237:f3da66175598 | 1697 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1698 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1699 | |
mbed_official | 237:f3da66175598 | 1700 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1701 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1702 | |
mbed_official | 237:f3da66175598 | 1703 | /* Send Slave Address and Memory Address */ |
mbed_official | 237:f3da66175598 | 1704 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1705 | { |
mbed_official | 237:f3da66175598 | 1706 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1707 | { |
mbed_official | 237:f3da66175598 | 1708 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1709 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1710 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1711 | } |
mbed_official | 237:f3da66175598 | 1712 | else |
mbed_official | 237:f3da66175598 | 1713 | { |
mbed_official | 237:f3da66175598 | 1714 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1715 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1716 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1717 | } |
mbed_official | 237:f3da66175598 | 1718 | } |
mbed_official | 237:f3da66175598 | 1719 | |
mbed_official | 237:f3da66175598 | 1720 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 1721 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 1722 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 237:f3da66175598 | 1723 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1724 | { |
mbed_official | 237:f3da66175598 | 1725 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1726 | Sizetmp = 255; |
mbed_official | 237:f3da66175598 | 1727 | } |
mbed_official | 237:f3da66175598 | 1728 | else |
mbed_official | 237:f3da66175598 | 1729 | { |
mbed_official | 237:f3da66175598 | 1730 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1731 | Sizetmp = Size; |
mbed_official | 237:f3da66175598 | 1732 | } |
mbed_official | 237:f3da66175598 | 1733 | |
mbed_official | 237:f3da66175598 | 1734 | do |
mbed_official | 237:f3da66175598 | 1735 | { |
mbed_official | 237:f3da66175598 | 1736 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 1737 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1738 | { |
mbed_official | 237:f3da66175598 | 1739 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1740 | } |
mbed_official | 237:f3da66175598 | 1741 | |
mbed_official | 237:f3da66175598 | 1742 | /* Read data from RXDR */ |
mbed_official | 237:f3da66175598 | 1743 | (*pData++) = hi2c->Instance->RXDR; |
mbed_official | 237:f3da66175598 | 1744 | |
mbed_official | 237:f3da66175598 | 1745 | /* Decrement the Size counter */ |
mbed_official | 237:f3da66175598 | 1746 | Sizetmp--; |
mbed_official | 237:f3da66175598 | 1747 | Size--; |
mbed_official | 237:f3da66175598 | 1748 | |
mbed_official | 237:f3da66175598 | 1749 | if((Sizetmp == 0)&&(Size!=0)) |
mbed_official | 237:f3da66175598 | 1750 | { |
mbed_official | 237:f3da66175598 | 1751 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 1752 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1753 | { |
mbed_official | 237:f3da66175598 | 1754 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1755 | } |
mbed_official | 237:f3da66175598 | 1756 | |
mbed_official | 237:f3da66175598 | 1757 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1758 | { |
mbed_official | 237:f3da66175598 | 1759 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1760 | Sizetmp = 255; |
mbed_official | 237:f3da66175598 | 1761 | } |
mbed_official | 237:f3da66175598 | 1762 | else |
mbed_official | 237:f3da66175598 | 1763 | { |
mbed_official | 237:f3da66175598 | 1764 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1765 | Sizetmp = Size; |
mbed_official | 237:f3da66175598 | 1766 | } |
mbed_official | 237:f3da66175598 | 1767 | } |
mbed_official | 237:f3da66175598 | 1768 | |
mbed_official | 237:f3da66175598 | 1769 | }while(Size > 0); |
mbed_official | 237:f3da66175598 | 1770 | |
mbed_official | 237:f3da66175598 | 1771 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 1772 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 1773 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1774 | { |
mbed_official | 237:f3da66175598 | 1775 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1776 | { |
mbed_official | 237:f3da66175598 | 1777 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1778 | } |
mbed_official | 237:f3da66175598 | 1779 | else |
mbed_official | 237:f3da66175598 | 1780 | { |
mbed_official | 237:f3da66175598 | 1781 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1782 | } |
mbed_official | 237:f3da66175598 | 1783 | } |
mbed_official | 237:f3da66175598 | 1784 | |
mbed_official | 237:f3da66175598 | 1785 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 1786 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 1787 | |
mbed_official | 237:f3da66175598 | 1788 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 1789 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 1790 | |
mbed_official | 237:f3da66175598 | 1791 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 1792 | |
mbed_official | 237:f3da66175598 | 1793 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1794 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1795 | |
mbed_official | 237:f3da66175598 | 1796 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1797 | } |
mbed_official | 237:f3da66175598 | 1798 | else |
mbed_official | 237:f3da66175598 | 1799 | { |
mbed_official | 237:f3da66175598 | 1800 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1801 | } |
mbed_official | 237:f3da66175598 | 1802 | } |
mbed_official | 237:f3da66175598 | 1803 | /** |
mbed_official | 237:f3da66175598 | 1804 | * @brief Write an amount of data in no-blocking mode with Interrupt to a specific memory address |
mbed_official | 237:f3da66175598 | 1805 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1806 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1807 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1808 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 1809 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 1810 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1811 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1812 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1813 | */ |
mbed_official | 237:f3da66175598 | 1814 | 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 | 237:f3da66175598 | 1815 | { |
mbed_official | 237:f3da66175598 | 1816 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 1817 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 237:f3da66175598 | 1818 | |
mbed_official | 237:f3da66175598 | 1819 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1820 | { |
mbed_official | 237:f3da66175598 | 1821 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1822 | { |
mbed_official | 237:f3da66175598 | 1823 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1824 | } |
mbed_official | 237:f3da66175598 | 1825 | |
mbed_official | 237:f3da66175598 | 1826 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1827 | { |
mbed_official | 237:f3da66175598 | 1828 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1829 | } |
mbed_official | 237:f3da66175598 | 1830 | |
mbed_official | 237:f3da66175598 | 1831 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1832 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1833 | |
mbed_official | 237:f3da66175598 | 1834 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 237:f3da66175598 | 1835 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 1836 | |
mbed_official | 237:f3da66175598 | 1837 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1838 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1839 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1840 | { |
mbed_official | 237:f3da66175598 | 1841 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 1842 | } |
mbed_official | 237:f3da66175598 | 1843 | else |
mbed_official | 237:f3da66175598 | 1844 | { |
mbed_official | 237:f3da66175598 | 1845 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1846 | } |
mbed_official | 237:f3da66175598 | 1847 | |
mbed_official | 237:f3da66175598 | 1848 | /* Send Slave Address and Memory Address */ |
mbed_official | 237:f3da66175598 | 1849 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1850 | { |
mbed_official | 237:f3da66175598 | 1851 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1852 | { |
mbed_official | 237:f3da66175598 | 1853 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1854 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1855 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1856 | } |
mbed_official | 237:f3da66175598 | 1857 | else |
mbed_official | 237:f3da66175598 | 1858 | { |
mbed_official | 237:f3da66175598 | 1859 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1860 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1861 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1862 | } |
mbed_official | 237:f3da66175598 | 1863 | } |
mbed_official | 237:f3da66175598 | 1864 | |
mbed_official | 237:f3da66175598 | 1865 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 1866 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 237:f3da66175598 | 1867 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 1868 | { |
mbed_official | 237:f3da66175598 | 1869 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1870 | } |
mbed_official | 237:f3da66175598 | 1871 | else |
mbed_official | 237:f3da66175598 | 1872 | { |
mbed_official | 237:f3da66175598 | 1873 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 1874 | } |
mbed_official | 237:f3da66175598 | 1875 | |
mbed_official | 237:f3da66175598 | 1876 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1877 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1878 | |
mbed_official | 237:f3da66175598 | 1879 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 237:f3da66175598 | 1880 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 237:f3da66175598 | 1881 | process unlock */ |
mbed_official | 237:f3da66175598 | 1882 | |
mbed_official | 237:f3da66175598 | 1883 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 1884 | /* possible to enable all of these */ |
mbed_official | 237:f3da66175598 | 1885 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 237:f3da66175598 | 1886 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 237:f3da66175598 | 1887 | |
mbed_official | 237:f3da66175598 | 1888 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1889 | } |
mbed_official | 237:f3da66175598 | 1890 | else |
mbed_official | 237:f3da66175598 | 1891 | { |
mbed_official | 237:f3da66175598 | 1892 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1893 | } |
mbed_official | 237:f3da66175598 | 1894 | } |
mbed_official | 237:f3da66175598 | 1895 | |
mbed_official | 237:f3da66175598 | 1896 | /** |
mbed_official | 237:f3da66175598 | 1897 | * @brief Read an amount of data in no-blocking mode with Interrupt from a specific memory address |
mbed_official | 237:f3da66175598 | 1898 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1899 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1900 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1901 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 1902 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 1903 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1904 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1905 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1906 | */ |
mbed_official | 237:f3da66175598 | 1907 | 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 | 237:f3da66175598 | 1908 | { |
mbed_official | 237:f3da66175598 | 1909 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 1910 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 237:f3da66175598 | 1911 | |
mbed_official | 237:f3da66175598 | 1912 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 1913 | { |
mbed_official | 237:f3da66175598 | 1914 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 1915 | { |
mbed_official | 237:f3da66175598 | 1916 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1917 | } |
mbed_official | 237:f3da66175598 | 1918 | |
mbed_official | 237:f3da66175598 | 1919 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 1920 | { |
mbed_official | 237:f3da66175598 | 1921 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1922 | } |
mbed_official | 237:f3da66175598 | 1923 | |
mbed_official | 237:f3da66175598 | 1924 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 1925 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1926 | |
mbed_official | 237:f3da66175598 | 1927 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 237:f3da66175598 | 1928 | |
mbed_official | 237:f3da66175598 | 1929 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 1930 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 1931 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 1932 | { |
mbed_official | 237:f3da66175598 | 1933 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 1934 | } |
mbed_official | 237:f3da66175598 | 1935 | else |
mbed_official | 237:f3da66175598 | 1936 | { |
mbed_official | 237:f3da66175598 | 1937 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 1938 | } |
mbed_official | 237:f3da66175598 | 1939 | |
mbed_official | 237:f3da66175598 | 1940 | /* Send Slave Address and Memory Address */ |
mbed_official | 237:f3da66175598 | 1941 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 237:f3da66175598 | 1942 | { |
mbed_official | 237:f3da66175598 | 1943 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 1944 | { |
mbed_official | 237:f3da66175598 | 1945 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1946 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1947 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 1948 | } |
mbed_official | 237:f3da66175598 | 1949 | else |
mbed_official | 237:f3da66175598 | 1950 | { |
mbed_official | 237:f3da66175598 | 1951 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1952 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1953 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 1954 | } |
mbed_official | 237:f3da66175598 | 1955 | } |
mbed_official | 237:f3da66175598 | 1956 | |
mbed_official | 237:f3da66175598 | 1957 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 1958 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 237:f3da66175598 | 1959 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 1960 | { |
mbed_official | 237:f3da66175598 | 1961 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1962 | } |
mbed_official | 237:f3da66175598 | 1963 | else |
mbed_official | 237:f3da66175598 | 1964 | { |
mbed_official | 237:f3da66175598 | 1965 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 1966 | } |
mbed_official | 237:f3da66175598 | 1967 | |
mbed_official | 237:f3da66175598 | 1968 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 1969 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 1970 | |
mbed_official | 237:f3da66175598 | 1971 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 237:f3da66175598 | 1972 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 237:f3da66175598 | 1973 | process unlock */ |
mbed_official | 237:f3da66175598 | 1974 | |
mbed_official | 237:f3da66175598 | 1975 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 237:f3da66175598 | 1976 | /* possible to enable all of these */ |
mbed_official | 237:f3da66175598 | 1977 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 237:f3da66175598 | 1978 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 237:f3da66175598 | 1979 | |
mbed_official | 237:f3da66175598 | 1980 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 1981 | } |
mbed_official | 237:f3da66175598 | 1982 | else |
mbed_official | 237:f3da66175598 | 1983 | { |
mbed_official | 237:f3da66175598 | 1984 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 1985 | } |
mbed_official | 237:f3da66175598 | 1986 | } |
mbed_official | 237:f3da66175598 | 1987 | /** |
mbed_official | 237:f3da66175598 | 1988 | * @brief Write an amount of data in no-blocking mode with DMA to a specific memory address |
mbed_official | 237:f3da66175598 | 1989 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 1990 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 1991 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 1992 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 1993 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 1994 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 1995 | * @param Size: Amount of data to be sent |
mbed_official | 237:f3da66175598 | 1996 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 1997 | */ |
mbed_official | 237:f3da66175598 | 1998 | 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 | 237:f3da66175598 | 1999 | { |
mbed_official | 237:f3da66175598 | 2000 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 2001 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 237:f3da66175598 | 2002 | |
mbed_official | 237:f3da66175598 | 2003 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 2004 | { |
mbed_official | 237:f3da66175598 | 2005 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 2006 | { |
mbed_official | 237:f3da66175598 | 2007 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2008 | } |
mbed_official | 237:f3da66175598 | 2009 | |
mbed_official | 237:f3da66175598 | 2010 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 2011 | { |
mbed_official | 237:f3da66175598 | 2012 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 2013 | } |
mbed_official | 237:f3da66175598 | 2014 | |
mbed_official | 237:f3da66175598 | 2015 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 2016 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2017 | |
mbed_official | 237:f3da66175598 | 2018 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 237:f3da66175598 | 2019 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 2020 | |
mbed_official | 237:f3da66175598 | 2021 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 2022 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 2023 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 2024 | { |
mbed_official | 237:f3da66175598 | 2025 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 2026 | } |
mbed_official | 237:f3da66175598 | 2027 | else |
mbed_official | 237:f3da66175598 | 2028 | { |
mbed_official | 237:f3da66175598 | 2029 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 2030 | } |
mbed_official | 237:f3da66175598 | 2031 | |
mbed_official | 237:f3da66175598 | 2032 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 237:f3da66175598 | 2033 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMemTransmitCplt; |
mbed_official | 237:f3da66175598 | 2034 | |
mbed_official | 237:f3da66175598 | 2035 | /* Set the DMA error callback */ |
mbed_official | 237:f3da66175598 | 2036 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 237:f3da66175598 | 2037 | |
mbed_official | 237:f3da66175598 | 2038 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 2039 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 2040 | |
mbed_official | 237:f3da66175598 | 2041 | /* Send Slave Address and Memory Address */ |
mbed_official | 237:f3da66175598 | 2042 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2043 | { |
mbed_official | 237:f3da66175598 | 2044 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 2045 | { |
mbed_official | 237:f3da66175598 | 2046 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2047 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2048 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2049 | } |
mbed_official | 237:f3da66175598 | 2050 | else |
mbed_official | 237:f3da66175598 | 2051 | { |
mbed_official | 237:f3da66175598 | 2052 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2053 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2054 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2055 | } |
mbed_official | 237:f3da66175598 | 2056 | } |
mbed_official | 237:f3da66175598 | 2057 | |
mbed_official | 237:f3da66175598 | 2058 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 2059 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 2060 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 2061 | { |
mbed_official | 237:f3da66175598 | 2062 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 2063 | } |
mbed_official | 237:f3da66175598 | 2064 | else |
mbed_official | 237:f3da66175598 | 2065 | { |
mbed_official | 237:f3da66175598 | 2066 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 2067 | } |
mbed_official | 237:f3da66175598 | 2068 | |
mbed_official | 237:f3da66175598 | 2069 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 2070 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2071 | { |
mbed_official | 237:f3da66175598 | 2072 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 2073 | { |
mbed_official | 237:f3da66175598 | 2074 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2075 | } |
mbed_official | 237:f3da66175598 | 2076 | else |
mbed_official | 237:f3da66175598 | 2077 | { |
mbed_official | 237:f3da66175598 | 2078 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2079 | } |
mbed_official | 237:f3da66175598 | 2080 | } |
mbed_official | 237:f3da66175598 | 2081 | |
mbed_official | 237:f3da66175598 | 2082 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 2083 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 2084 | |
mbed_official | 237:f3da66175598 | 2085 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2086 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2087 | |
mbed_official | 237:f3da66175598 | 2088 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2089 | } |
mbed_official | 237:f3da66175598 | 2090 | else |
mbed_official | 237:f3da66175598 | 2091 | { |
mbed_official | 237:f3da66175598 | 2092 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 2093 | } |
mbed_official | 237:f3da66175598 | 2094 | } |
mbed_official | 237:f3da66175598 | 2095 | |
mbed_official | 237:f3da66175598 | 2096 | /** |
mbed_official | 237:f3da66175598 | 2097 | * @brief Reads an amount of data in no-blocking mode with DMA from a specific memory address. |
mbed_official | 237:f3da66175598 | 2098 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2099 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2100 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 2101 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 2102 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 2103 | * @param pData: Pointer to data buffer |
mbed_official | 237:f3da66175598 | 2104 | * @param Size: Amount of data to be read |
mbed_official | 237:f3da66175598 | 2105 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2106 | */ |
mbed_official | 237:f3da66175598 | 2107 | 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 | 237:f3da66175598 | 2108 | { |
mbed_official | 237:f3da66175598 | 2109 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 2110 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 237:f3da66175598 | 2111 | |
mbed_official | 237:f3da66175598 | 2112 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 2113 | { |
mbed_official | 237:f3da66175598 | 2114 | if((pData == NULL) || (Size == 0)) |
mbed_official | 237:f3da66175598 | 2115 | { |
mbed_official | 237:f3da66175598 | 2116 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2117 | } |
mbed_official | 237:f3da66175598 | 2118 | |
mbed_official | 237:f3da66175598 | 2119 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 2120 | { |
mbed_official | 237:f3da66175598 | 2121 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 2122 | } |
mbed_official | 237:f3da66175598 | 2123 | |
mbed_official | 237:f3da66175598 | 2124 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 2125 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2126 | |
mbed_official | 237:f3da66175598 | 2127 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 237:f3da66175598 | 2128 | |
mbed_official | 237:f3da66175598 | 2129 | hi2c->pBuffPtr = pData; |
mbed_official | 237:f3da66175598 | 2130 | hi2c->XferCount = Size; |
mbed_official | 237:f3da66175598 | 2131 | if(Size > 255) |
mbed_official | 237:f3da66175598 | 2132 | { |
mbed_official | 237:f3da66175598 | 2133 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 2134 | } |
mbed_official | 237:f3da66175598 | 2135 | else |
mbed_official | 237:f3da66175598 | 2136 | { |
mbed_official | 237:f3da66175598 | 2137 | hi2c->XferSize = Size; |
mbed_official | 237:f3da66175598 | 2138 | } |
mbed_official | 237:f3da66175598 | 2139 | |
mbed_official | 237:f3da66175598 | 2140 | /* Set the I2C DMA transfer complete callback */ |
mbed_official | 237:f3da66175598 | 2141 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMemReceiveCplt; |
mbed_official | 237:f3da66175598 | 2142 | |
mbed_official | 237:f3da66175598 | 2143 | /* Set the DMA error callback */ |
mbed_official | 237:f3da66175598 | 2144 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 237:f3da66175598 | 2145 | |
mbed_official | 237:f3da66175598 | 2146 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 2147 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 2148 | |
mbed_official | 237:f3da66175598 | 2149 | /* Send Slave Address and Memory Address */ |
mbed_official | 237:f3da66175598 | 2150 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2151 | { |
mbed_official | 237:f3da66175598 | 2152 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 2153 | { |
mbed_official | 237:f3da66175598 | 2154 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2155 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2156 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2157 | } |
mbed_official | 237:f3da66175598 | 2158 | else |
mbed_official | 237:f3da66175598 | 2159 | { |
mbed_official | 237:f3da66175598 | 2160 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2161 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2162 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2163 | } |
mbed_official | 237:f3da66175598 | 2164 | } |
mbed_official | 237:f3da66175598 | 2165 | |
mbed_official | 237:f3da66175598 | 2166 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 237:f3da66175598 | 2167 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 2168 | { |
mbed_official | 237:f3da66175598 | 2169 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 2170 | } |
mbed_official | 237:f3da66175598 | 2171 | else |
mbed_official | 237:f3da66175598 | 2172 | { |
mbed_official | 237:f3da66175598 | 2173 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 237:f3da66175598 | 2174 | } |
mbed_official | 237:f3da66175598 | 2175 | |
mbed_official | 237:f3da66175598 | 2176 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 2177 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2178 | { |
mbed_official | 237:f3da66175598 | 2179 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2180 | } |
mbed_official | 237:f3da66175598 | 2181 | |
mbed_official | 237:f3da66175598 | 2182 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 2183 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 2184 | |
mbed_official | 237:f3da66175598 | 2185 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2186 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2187 | |
mbed_official | 237:f3da66175598 | 2188 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2189 | } |
mbed_official | 237:f3da66175598 | 2190 | else |
mbed_official | 237:f3da66175598 | 2191 | { |
mbed_official | 237:f3da66175598 | 2192 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 2193 | } |
mbed_official | 237:f3da66175598 | 2194 | } |
mbed_official | 237:f3da66175598 | 2195 | |
mbed_official | 237:f3da66175598 | 2196 | /** |
mbed_official | 237:f3da66175598 | 2197 | * @brief Checks if target device is ready for communication. |
mbed_official | 237:f3da66175598 | 2198 | * @note This function is used with Memory devices |
mbed_official | 237:f3da66175598 | 2199 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2200 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2201 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 2202 | * @param Trials: Number of trials |
mbed_official | 237:f3da66175598 | 2203 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 2204 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2205 | */ |
mbed_official | 237:f3da66175598 | 2206 | HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 2207 | { |
mbed_official | 237:f3da66175598 | 2208 | uint32_t tickstart = 0; |
mbed_official | 237:f3da66175598 | 2209 | |
mbed_official | 237:f3da66175598 | 2210 | __IO uint32_t I2C_Trials = 0; |
mbed_official | 237:f3da66175598 | 2211 | |
mbed_official | 237:f3da66175598 | 2212 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 237:f3da66175598 | 2213 | { |
mbed_official | 237:f3da66175598 | 2214 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 237:f3da66175598 | 2215 | { |
mbed_official | 237:f3da66175598 | 2216 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 2217 | } |
mbed_official | 237:f3da66175598 | 2218 | |
mbed_official | 237:f3da66175598 | 2219 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 2220 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2221 | |
mbed_official | 237:f3da66175598 | 2222 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 2223 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 2224 | |
mbed_official | 237:f3da66175598 | 2225 | do |
mbed_official | 237:f3da66175598 | 2226 | { |
mbed_official | 237:f3da66175598 | 2227 | /* Generate Start */ |
mbed_official | 237:f3da66175598 | 2228 | hi2c->Instance->CR2 = __HAL_I2C_GENERATE_START(hi2c->Init.AddressingMode,DevAddress); |
mbed_official | 237:f3da66175598 | 2229 | |
mbed_official | 237:f3da66175598 | 2230 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 2231 | /* Wait until STOPF flag is set or a NACK flag is set*/ |
mbed_official | 237:f3da66175598 | 2232 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 2233 | 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 | 237:f3da66175598 | 2234 | { |
mbed_official | 237:f3da66175598 | 2235 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 2236 | { |
mbed_official | 237:f3da66175598 | 2237 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 2238 | { |
mbed_official | 237:f3da66175598 | 2239 | /* Device is ready */ |
mbed_official | 237:f3da66175598 | 2240 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2241 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2242 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2243 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2244 | } |
mbed_official | 237:f3da66175598 | 2245 | } |
mbed_official | 237:f3da66175598 | 2246 | } |
mbed_official | 237:f3da66175598 | 2247 | |
mbed_official | 237:f3da66175598 | 2248 | /* Check if the NACKF flag has not been set */ |
mbed_official | 237:f3da66175598 | 2249 | if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == RESET) |
mbed_official | 237:f3da66175598 | 2250 | { |
mbed_official | 237:f3da66175598 | 2251 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 2252 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2253 | { |
mbed_official | 237:f3da66175598 | 2254 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2255 | } |
mbed_official | 237:f3da66175598 | 2256 | |
mbed_official | 237:f3da66175598 | 2257 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 2258 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2259 | |
mbed_official | 237:f3da66175598 | 2260 | /* Device is ready */ |
mbed_official | 237:f3da66175598 | 2261 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2262 | |
mbed_official | 237:f3da66175598 | 2263 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2264 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2265 | |
mbed_official | 237:f3da66175598 | 2266 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2267 | } |
mbed_official | 237:f3da66175598 | 2268 | else |
mbed_official | 237:f3da66175598 | 2269 | { |
mbed_official | 237:f3da66175598 | 2270 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 2271 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2272 | { |
mbed_official | 237:f3da66175598 | 2273 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2274 | } |
mbed_official | 237:f3da66175598 | 2275 | |
mbed_official | 237:f3da66175598 | 2276 | /* Clear NACK Flag */ |
mbed_official | 237:f3da66175598 | 2277 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 2278 | |
mbed_official | 237:f3da66175598 | 2279 | /* Clear STOP Flag, auto generated with autoend*/ |
mbed_official | 237:f3da66175598 | 2280 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2281 | } |
mbed_official | 237:f3da66175598 | 2282 | |
mbed_official | 237:f3da66175598 | 2283 | /* Check if the maximum allowed number of trials has been reached */ |
mbed_official | 237:f3da66175598 | 2284 | if (I2C_Trials++ == Trials) |
mbed_official | 237:f3da66175598 | 2285 | { |
mbed_official | 237:f3da66175598 | 2286 | /* Generate Stop */ |
mbed_official | 237:f3da66175598 | 2287 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 237:f3da66175598 | 2288 | |
mbed_official | 237:f3da66175598 | 2289 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 2290 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2291 | { |
mbed_official | 237:f3da66175598 | 2292 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2293 | } |
mbed_official | 237:f3da66175598 | 2294 | |
mbed_official | 237:f3da66175598 | 2295 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 2296 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2297 | } |
mbed_official | 237:f3da66175598 | 2298 | }while(I2C_Trials < Trials); |
mbed_official | 237:f3da66175598 | 2299 | |
mbed_official | 237:f3da66175598 | 2300 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2301 | |
mbed_official | 237:f3da66175598 | 2302 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2303 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2304 | |
mbed_official | 237:f3da66175598 | 2305 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2306 | } |
mbed_official | 237:f3da66175598 | 2307 | else |
mbed_official | 237:f3da66175598 | 2308 | { |
mbed_official | 237:f3da66175598 | 2309 | return HAL_BUSY; |
mbed_official | 237:f3da66175598 | 2310 | } |
mbed_official | 237:f3da66175598 | 2311 | } |
mbed_official | 237:f3da66175598 | 2312 | |
mbed_official | 237:f3da66175598 | 2313 | /** |
mbed_official | 237:f3da66175598 | 2314 | * @brief This function handles I2C event interrupt request. |
mbed_official | 237:f3da66175598 | 2315 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2316 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2317 | * @retval None |
mbed_official | 237:f3da66175598 | 2318 | */ |
mbed_official | 237:f3da66175598 | 2319 | void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2320 | { |
mbed_official | 237:f3da66175598 | 2321 | /* I2C in mode Transmitter ---------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 2322 | 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 | 237:f3da66175598 | 2323 | { |
mbed_official | 237:f3da66175598 | 2324 | /* Slave mode selected */ |
mbed_official | 237:f3da66175598 | 2325 | if (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) |
mbed_official | 237:f3da66175598 | 2326 | { |
mbed_official | 237:f3da66175598 | 2327 | I2C_SlaveTransmit_ISR(hi2c); |
mbed_official | 237:f3da66175598 | 2328 | } |
mbed_official | 237:f3da66175598 | 2329 | } |
mbed_official | 237:f3da66175598 | 2330 | |
mbed_official | 237:f3da66175598 | 2331 | 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 | 237:f3da66175598 | 2332 | { |
mbed_official | 237:f3da66175598 | 2333 | /* Master mode selected */ |
mbed_official | 237:f3da66175598 | 2334 | if ((hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX)) |
mbed_official | 237:f3da66175598 | 2335 | { |
mbed_official | 237:f3da66175598 | 2336 | I2C_MasterTransmit_ISR(hi2c); |
mbed_official | 237:f3da66175598 | 2337 | } |
mbed_official | 237:f3da66175598 | 2338 | } |
mbed_official | 237:f3da66175598 | 2339 | |
mbed_official | 237:f3da66175598 | 2340 | /* I2C in mode Receiver ----------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 2341 | 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 | 237:f3da66175598 | 2342 | { |
mbed_official | 237:f3da66175598 | 2343 | /* Slave mode selected */ |
mbed_official | 237:f3da66175598 | 2344 | if (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX) |
mbed_official | 237:f3da66175598 | 2345 | { |
mbed_official | 237:f3da66175598 | 2346 | I2C_SlaveReceive_ISR(hi2c); |
mbed_official | 237:f3da66175598 | 2347 | } |
mbed_official | 237:f3da66175598 | 2348 | } |
mbed_official | 237:f3da66175598 | 2349 | 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 | 237:f3da66175598 | 2350 | { |
mbed_official | 237:f3da66175598 | 2351 | /* Master mode selected */ |
mbed_official | 237:f3da66175598 | 2352 | if ((hi2c->State == HAL_I2C_STATE_MASTER_BUSY_RX) || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX)) |
mbed_official | 237:f3da66175598 | 2353 | { |
mbed_official | 237:f3da66175598 | 2354 | I2C_MasterReceive_ISR(hi2c); |
mbed_official | 237:f3da66175598 | 2355 | } |
mbed_official | 237:f3da66175598 | 2356 | } |
mbed_official | 237:f3da66175598 | 2357 | } |
mbed_official | 237:f3da66175598 | 2358 | |
mbed_official | 237:f3da66175598 | 2359 | /** |
mbed_official | 237:f3da66175598 | 2360 | * @brief This function handles I2C error interrupt request. |
mbed_official | 237:f3da66175598 | 2361 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2362 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2363 | * @retval None |
mbed_official | 237:f3da66175598 | 2364 | */ |
mbed_official | 237:f3da66175598 | 2365 | void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2366 | { |
mbed_official | 237:f3da66175598 | 2367 | /* I2C Bus error interrupt occurred ------------------------------------*/ |
mbed_official | 237:f3da66175598 | 2368 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BERR) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 237:f3da66175598 | 2369 | { |
mbed_official | 237:f3da66175598 | 2370 | hi2c->ErrorCode |= HAL_I2C_ERROR_BERR; |
mbed_official | 237:f3da66175598 | 2371 | |
mbed_official | 237:f3da66175598 | 2372 | /* Clear BERR flag */ |
mbed_official | 237:f3da66175598 | 2373 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_BERR); |
mbed_official | 237:f3da66175598 | 2374 | } |
mbed_official | 237:f3da66175598 | 2375 | |
mbed_official | 237:f3da66175598 | 2376 | /* I2C Over-Run/Under-Run interrupt occurred ----------------------------------------*/ |
mbed_official | 237:f3da66175598 | 2377 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_OVR) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 237:f3da66175598 | 2378 | { |
mbed_official | 237:f3da66175598 | 2379 | hi2c->ErrorCode |= HAL_I2C_ERROR_OVR; |
mbed_official | 237:f3da66175598 | 2380 | |
mbed_official | 237:f3da66175598 | 2381 | /* Clear OVR flag */ |
mbed_official | 237:f3da66175598 | 2382 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR); |
mbed_official | 237:f3da66175598 | 2383 | } |
mbed_official | 237:f3da66175598 | 2384 | |
mbed_official | 237:f3da66175598 | 2385 | /* I2C Arbitration Loss error interrupt occurred -------------------------------------*/ |
mbed_official | 237:f3da66175598 | 2386 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ARLO) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 237:f3da66175598 | 2387 | { |
mbed_official | 237:f3da66175598 | 2388 | hi2c->ErrorCode |= HAL_I2C_ERROR_ARLO; |
mbed_official | 237:f3da66175598 | 2389 | |
mbed_official | 237:f3da66175598 | 2390 | /* Clear ARLO flag */ |
mbed_official | 237:f3da66175598 | 2391 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ARLO); |
mbed_official | 237:f3da66175598 | 2392 | } |
mbed_official | 237:f3da66175598 | 2393 | |
mbed_official | 237:f3da66175598 | 2394 | /* Call the Error Callback in case of Error detected */ |
mbed_official | 237:f3da66175598 | 2395 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 2396 | { |
mbed_official | 237:f3da66175598 | 2397 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2398 | |
mbed_official | 237:f3da66175598 | 2399 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2400 | } |
mbed_official | 237:f3da66175598 | 2401 | } |
mbed_official | 237:f3da66175598 | 2402 | |
mbed_official | 237:f3da66175598 | 2403 | /** |
mbed_official | 237:f3da66175598 | 2404 | * @brief Master Tx Transfer completed callbacks. |
mbed_official | 237:f3da66175598 | 2405 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2406 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2407 | * @retval None |
mbed_official | 237:f3da66175598 | 2408 | */ |
mbed_official | 237:f3da66175598 | 2409 | __weak void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2410 | { |
mbed_official | 237:f3da66175598 | 2411 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2412 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2413 | */ |
mbed_official | 237:f3da66175598 | 2414 | } |
mbed_official | 237:f3da66175598 | 2415 | |
mbed_official | 237:f3da66175598 | 2416 | /** |
mbed_official | 237:f3da66175598 | 2417 | * @brief Master Rx Transfer completed callbacks. |
mbed_official | 237:f3da66175598 | 2418 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2419 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2420 | * @retval None |
mbed_official | 237:f3da66175598 | 2421 | */ |
mbed_official | 237:f3da66175598 | 2422 | __weak void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2423 | { |
mbed_official | 237:f3da66175598 | 2424 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2425 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2426 | */ |
mbed_official | 237:f3da66175598 | 2427 | } |
mbed_official | 237:f3da66175598 | 2428 | |
mbed_official | 237:f3da66175598 | 2429 | /** @brief Slave Tx Transfer completed callbacks. |
mbed_official | 237:f3da66175598 | 2430 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2431 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2432 | * @retval None |
mbed_official | 237:f3da66175598 | 2433 | */ |
mbed_official | 237:f3da66175598 | 2434 | __weak void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2435 | { |
mbed_official | 237:f3da66175598 | 2436 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2437 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2438 | */ |
mbed_official | 237:f3da66175598 | 2439 | } |
mbed_official | 237:f3da66175598 | 2440 | |
mbed_official | 237:f3da66175598 | 2441 | /** |
mbed_official | 237:f3da66175598 | 2442 | * @brief Slave Rx Transfer completed callbacks. |
mbed_official | 237:f3da66175598 | 2443 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2444 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2445 | * @retval None |
mbed_official | 237:f3da66175598 | 2446 | */ |
mbed_official | 237:f3da66175598 | 2447 | __weak void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2448 | { |
mbed_official | 237:f3da66175598 | 2449 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2450 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2451 | */ |
mbed_official | 237:f3da66175598 | 2452 | } |
mbed_official | 237:f3da66175598 | 2453 | |
mbed_official | 237:f3da66175598 | 2454 | /** |
mbed_official | 237:f3da66175598 | 2455 | * @brief Memory Tx Transfer completed callbacks. |
mbed_official | 237:f3da66175598 | 2456 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2457 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2458 | * @retval None |
mbed_official | 237:f3da66175598 | 2459 | */ |
mbed_official | 237:f3da66175598 | 2460 | __weak void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2461 | { |
mbed_official | 237:f3da66175598 | 2462 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2463 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2464 | */ |
mbed_official | 237:f3da66175598 | 2465 | } |
mbed_official | 237:f3da66175598 | 2466 | |
mbed_official | 237:f3da66175598 | 2467 | /** |
mbed_official | 237:f3da66175598 | 2468 | * @brief Memory Rx Transfer completed callbacks. |
mbed_official | 237:f3da66175598 | 2469 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2470 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2471 | * @retval None |
mbed_official | 237:f3da66175598 | 2472 | */ |
mbed_official | 237:f3da66175598 | 2473 | __weak void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2474 | { |
mbed_official | 237:f3da66175598 | 2475 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2476 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2477 | */ |
mbed_official | 237:f3da66175598 | 2478 | } |
mbed_official | 237:f3da66175598 | 2479 | |
mbed_official | 237:f3da66175598 | 2480 | /** |
mbed_official | 237:f3da66175598 | 2481 | * @brief I2C error callbacks. |
mbed_official | 237:f3da66175598 | 2482 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2483 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2484 | * @retval None |
mbed_official | 237:f3da66175598 | 2485 | */ |
mbed_official | 237:f3da66175598 | 2486 | __weak void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2487 | { |
mbed_official | 237:f3da66175598 | 2488 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 237:f3da66175598 | 2489 | the HAL_I2C_ErrorCallback could be implemented in the user file |
mbed_official | 237:f3da66175598 | 2490 | */ |
mbed_official | 237:f3da66175598 | 2491 | } |
mbed_official | 237:f3da66175598 | 2492 | |
mbed_official | 237:f3da66175598 | 2493 | /** |
mbed_official | 237:f3da66175598 | 2494 | * @} |
mbed_official | 237:f3da66175598 | 2495 | */ |
mbed_official | 237:f3da66175598 | 2496 | |
mbed_official | 237:f3da66175598 | 2497 | /** @defgroup I2C_Group3 Peripheral State and Errors functions |
mbed_official | 237:f3da66175598 | 2498 | * @brief Peripheral State and Errors functions |
mbed_official | 237:f3da66175598 | 2499 | * |
mbed_official | 237:f3da66175598 | 2500 | @verbatim |
mbed_official | 237:f3da66175598 | 2501 | =============================================================================== |
mbed_official | 237:f3da66175598 | 2502 | ##### Peripheral State and Errors functions ##### |
mbed_official | 237:f3da66175598 | 2503 | =============================================================================== |
mbed_official | 237:f3da66175598 | 2504 | [..] |
mbed_official | 237:f3da66175598 | 2505 | This subsection permit to get in run-time the status of the peripheral |
mbed_official | 237:f3da66175598 | 2506 | and the data flow. |
mbed_official | 237:f3da66175598 | 2507 | |
mbed_official | 237:f3da66175598 | 2508 | @endverbatim |
mbed_official | 237:f3da66175598 | 2509 | * @{ |
mbed_official | 237:f3da66175598 | 2510 | */ |
mbed_official | 237:f3da66175598 | 2511 | |
mbed_official | 237:f3da66175598 | 2512 | /** |
mbed_official | 237:f3da66175598 | 2513 | * @brief Returns the I2C state. |
mbed_official | 237:f3da66175598 | 2514 | * @param hi2c : I2C handle |
mbed_official | 237:f3da66175598 | 2515 | * @retval HAL state |
mbed_official | 237:f3da66175598 | 2516 | */ |
mbed_official | 237:f3da66175598 | 2517 | HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2518 | { |
mbed_official | 237:f3da66175598 | 2519 | return hi2c->State; |
mbed_official | 237:f3da66175598 | 2520 | } |
mbed_official | 237:f3da66175598 | 2521 | |
mbed_official | 237:f3da66175598 | 2522 | /** |
mbed_official | 237:f3da66175598 | 2523 | * @brief Return the I2C error code |
mbed_official | 237:f3da66175598 | 2524 | * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2525 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2526 | * @retval I2C Error Code |
mbed_official | 237:f3da66175598 | 2527 | */ |
mbed_official | 237:f3da66175598 | 2528 | uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2529 | { |
mbed_official | 237:f3da66175598 | 2530 | return hi2c->ErrorCode; |
mbed_official | 237:f3da66175598 | 2531 | } |
mbed_official | 237:f3da66175598 | 2532 | |
mbed_official | 237:f3da66175598 | 2533 | /** |
mbed_official | 237:f3da66175598 | 2534 | * @} |
mbed_official | 237:f3da66175598 | 2535 | */ |
mbed_official | 237:f3da66175598 | 2536 | |
mbed_official | 237:f3da66175598 | 2537 | /** |
mbed_official | 237:f3da66175598 | 2538 | * @brief Handle Interrupt Flags Master Transmit Mode |
mbed_official | 237:f3da66175598 | 2539 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2540 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2541 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2542 | */ |
mbed_official | 237:f3da66175598 | 2543 | static HAL_StatusTypeDef I2C_MasterTransmit_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2544 | { |
mbed_official | 237:f3da66175598 | 2545 | uint16_t DevAddress; |
mbed_official | 237:f3da66175598 | 2546 | |
mbed_official | 237:f3da66175598 | 2547 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 2548 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2549 | |
mbed_official | 237:f3da66175598 | 2550 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) |
mbed_official | 237:f3da66175598 | 2551 | { |
mbed_official | 237:f3da66175598 | 2552 | /* Write data to TXDR */ |
mbed_official | 237:f3da66175598 | 2553 | hi2c->Instance->TXDR = (*hi2c->pBuffPtr++); |
mbed_official | 237:f3da66175598 | 2554 | hi2c->XferSize--; |
mbed_official | 237:f3da66175598 | 2555 | hi2c->XferCount--; |
mbed_official | 237:f3da66175598 | 2556 | } |
mbed_official | 237:f3da66175598 | 2557 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) |
mbed_official | 237:f3da66175598 | 2558 | { |
mbed_official | 237:f3da66175598 | 2559 | if((hi2c->XferSize == 0)&&(hi2c->XferCount!=0)) |
mbed_official | 237:f3da66175598 | 2560 | { |
mbed_official | 237:f3da66175598 | 2561 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 237:f3da66175598 | 2562 | |
mbed_official | 237:f3da66175598 | 2563 | if(hi2c->XferCount > 255) |
mbed_official | 237:f3da66175598 | 2564 | { |
mbed_official | 237:f3da66175598 | 2565 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 2566 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 2567 | } |
mbed_official | 237:f3da66175598 | 2568 | else |
mbed_official | 237:f3da66175598 | 2569 | { |
mbed_official | 237:f3da66175598 | 2570 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferCount, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 2571 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 237:f3da66175598 | 2572 | } |
mbed_official | 237:f3da66175598 | 2573 | } |
mbed_official | 237:f3da66175598 | 2574 | else |
mbed_official | 237:f3da66175598 | 2575 | { |
mbed_official | 237:f3da66175598 | 2576 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2577 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2578 | |
mbed_official | 237:f3da66175598 | 2579 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 237:f3da66175598 | 2580 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 237:f3da66175598 | 2581 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2582 | } |
mbed_official | 237:f3da66175598 | 2583 | } |
mbed_official | 237:f3da66175598 | 2584 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) |
mbed_official | 237:f3da66175598 | 2585 | { |
mbed_official | 237:f3da66175598 | 2586 | if(hi2c->XferCount == 0) |
mbed_official | 237:f3da66175598 | 2587 | { |
mbed_official | 237:f3da66175598 | 2588 | /* Generate Stop */ |
mbed_official | 237:f3da66175598 | 2589 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 237:f3da66175598 | 2590 | } |
mbed_official | 237:f3da66175598 | 2591 | else |
mbed_official | 237:f3da66175598 | 2592 | { |
mbed_official | 237:f3da66175598 | 2593 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2594 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2595 | |
mbed_official | 237:f3da66175598 | 2596 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 237:f3da66175598 | 2597 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 237:f3da66175598 | 2598 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2599 | } |
mbed_official | 237:f3da66175598 | 2600 | } |
mbed_official | 237:f3da66175598 | 2601 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 237:f3da66175598 | 2602 | { |
mbed_official | 237:f3da66175598 | 2603 | /* Disable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 2604 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 237:f3da66175598 | 2605 | |
mbed_official | 237:f3da66175598 | 2606 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 2607 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2608 | |
mbed_official | 237:f3da66175598 | 2609 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 2610 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 2611 | |
mbed_official | 237:f3da66175598 | 2612 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2613 | |
mbed_official | 237:f3da66175598 | 2614 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2615 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2616 | |
mbed_official | 237:f3da66175598 | 2617 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX) |
mbed_official | 237:f3da66175598 | 2618 | { |
mbed_official | 237:f3da66175598 | 2619 | HAL_I2C_MemTxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2620 | } |
mbed_official | 237:f3da66175598 | 2621 | else |
mbed_official | 237:f3da66175598 | 2622 | { |
mbed_official | 237:f3da66175598 | 2623 | HAL_I2C_MasterTxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2624 | } |
mbed_official | 237:f3da66175598 | 2625 | } |
mbed_official | 237:f3da66175598 | 2626 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 237:f3da66175598 | 2627 | { |
mbed_official | 237:f3da66175598 | 2628 | /* Clear NACK Flag */ |
mbed_official | 237:f3da66175598 | 2629 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 2630 | |
mbed_official | 237:f3da66175598 | 2631 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2632 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2633 | |
mbed_official | 237:f3da66175598 | 2634 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 2635 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2636 | } |
mbed_official | 237:f3da66175598 | 2637 | |
mbed_official | 237:f3da66175598 | 2638 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2639 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2640 | |
mbed_official | 237:f3da66175598 | 2641 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2642 | } |
mbed_official | 237:f3da66175598 | 2643 | |
mbed_official | 237:f3da66175598 | 2644 | /** |
mbed_official | 237:f3da66175598 | 2645 | * @brief Handle Interrupt Flags Master Receive Mode |
mbed_official | 237:f3da66175598 | 2646 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2647 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2648 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2649 | */ |
mbed_official | 237:f3da66175598 | 2650 | static HAL_StatusTypeDef I2C_MasterReceive_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2651 | { |
mbed_official | 237:f3da66175598 | 2652 | uint16_t DevAddress; |
mbed_official | 237:f3da66175598 | 2653 | |
mbed_official | 237:f3da66175598 | 2654 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 2655 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2656 | |
mbed_official | 237:f3da66175598 | 2657 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) |
mbed_official | 237:f3da66175598 | 2658 | { |
mbed_official | 237:f3da66175598 | 2659 | /* Read data from RXDR */ |
mbed_official | 237:f3da66175598 | 2660 | (*hi2c->pBuffPtr++) = hi2c->Instance->RXDR; |
mbed_official | 237:f3da66175598 | 2661 | hi2c->XferSize--; |
mbed_official | 237:f3da66175598 | 2662 | hi2c->XferCount--; |
mbed_official | 237:f3da66175598 | 2663 | } |
mbed_official | 237:f3da66175598 | 2664 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) |
mbed_official | 237:f3da66175598 | 2665 | { |
mbed_official | 237:f3da66175598 | 2666 | if((hi2c->XferSize == 0)&&(hi2c->XferCount!=0)) |
mbed_official | 237:f3da66175598 | 2667 | { |
mbed_official | 237:f3da66175598 | 2668 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 237:f3da66175598 | 2669 | |
mbed_official | 237:f3da66175598 | 2670 | if(hi2c->XferCount > 255) |
mbed_official | 237:f3da66175598 | 2671 | { |
mbed_official | 237:f3da66175598 | 2672 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 2673 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 2674 | } |
mbed_official | 237:f3da66175598 | 2675 | else |
mbed_official | 237:f3da66175598 | 2676 | { |
mbed_official | 237:f3da66175598 | 2677 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferCount, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 2678 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 237:f3da66175598 | 2679 | } |
mbed_official | 237:f3da66175598 | 2680 | } |
mbed_official | 237:f3da66175598 | 2681 | else |
mbed_official | 237:f3da66175598 | 2682 | { |
mbed_official | 237:f3da66175598 | 2683 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2684 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2685 | |
mbed_official | 237:f3da66175598 | 2686 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 237:f3da66175598 | 2687 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 237:f3da66175598 | 2688 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2689 | } |
mbed_official | 237:f3da66175598 | 2690 | } |
mbed_official | 237:f3da66175598 | 2691 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) |
mbed_official | 237:f3da66175598 | 2692 | { |
mbed_official | 237:f3da66175598 | 2693 | if(hi2c->XferCount == 0) |
mbed_official | 237:f3da66175598 | 2694 | { |
mbed_official | 237:f3da66175598 | 2695 | /* Generate Stop */ |
mbed_official | 237:f3da66175598 | 2696 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 237:f3da66175598 | 2697 | } |
mbed_official | 237:f3da66175598 | 2698 | else |
mbed_official | 237:f3da66175598 | 2699 | { |
mbed_official | 237:f3da66175598 | 2700 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2701 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2702 | |
mbed_official | 237:f3da66175598 | 2703 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 237:f3da66175598 | 2704 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 237:f3da66175598 | 2705 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2706 | } |
mbed_official | 237:f3da66175598 | 2707 | } |
mbed_official | 237:f3da66175598 | 2708 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 237:f3da66175598 | 2709 | { |
mbed_official | 237:f3da66175598 | 2710 | /* Disable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 2711 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 237:f3da66175598 | 2712 | |
mbed_official | 237:f3da66175598 | 2713 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 2714 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2715 | |
mbed_official | 237:f3da66175598 | 2716 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 2717 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 2718 | |
mbed_official | 237:f3da66175598 | 2719 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2720 | |
mbed_official | 237:f3da66175598 | 2721 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2722 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2723 | |
mbed_official | 237:f3da66175598 | 2724 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX) |
mbed_official | 237:f3da66175598 | 2725 | { |
mbed_official | 237:f3da66175598 | 2726 | HAL_I2C_MemRxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2727 | } |
mbed_official | 237:f3da66175598 | 2728 | else |
mbed_official | 237:f3da66175598 | 2729 | { |
mbed_official | 237:f3da66175598 | 2730 | HAL_I2C_MasterRxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2731 | } |
mbed_official | 237:f3da66175598 | 2732 | } |
mbed_official | 237:f3da66175598 | 2733 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 237:f3da66175598 | 2734 | { |
mbed_official | 237:f3da66175598 | 2735 | /* Clear NACK Flag */ |
mbed_official | 237:f3da66175598 | 2736 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 2737 | |
mbed_official | 237:f3da66175598 | 2738 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2739 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2740 | |
mbed_official | 237:f3da66175598 | 2741 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 2742 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2743 | } |
mbed_official | 237:f3da66175598 | 2744 | |
mbed_official | 237:f3da66175598 | 2745 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2746 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2747 | |
mbed_official | 237:f3da66175598 | 2748 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2749 | |
mbed_official | 237:f3da66175598 | 2750 | } |
mbed_official | 237:f3da66175598 | 2751 | |
mbed_official | 237:f3da66175598 | 2752 | /** |
mbed_official | 237:f3da66175598 | 2753 | * @brief Handle Interrupt Flags Slave Transmit Mode |
mbed_official | 237:f3da66175598 | 2754 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2755 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2756 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2757 | */ |
mbed_official | 237:f3da66175598 | 2758 | static HAL_StatusTypeDef I2C_SlaveTransmit_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2759 | { |
mbed_official | 237:f3da66175598 | 2760 | /* Process locked */ |
mbed_official | 237:f3da66175598 | 2761 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2762 | |
mbed_official | 237:f3da66175598 | 2763 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) != RESET) |
mbed_official | 237:f3da66175598 | 2764 | { |
mbed_official | 237:f3da66175598 | 2765 | /* Check that I2C transfer finished */ |
mbed_official | 237:f3da66175598 | 2766 | /* if yes, normal usecase, a NACK is sent by the MASTER when Transfer is finished */ |
mbed_official | 237:f3da66175598 | 2767 | /* Mean XferCount == 0*/ |
mbed_official | 237:f3da66175598 | 2768 | /* So clear Flag NACKF only */ |
mbed_official | 237:f3da66175598 | 2769 | if(hi2c->XferCount == 0) |
mbed_official | 237:f3da66175598 | 2770 | { |
mbed_official | 237:f3da66175598 | 2771 | /* Clear NACK Flag */ |
mbed_official | 237:f3da66175598 | 2772 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 2773 | |
mbed_official | 237:f3da66175598 | 2774 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2775 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2776 | } |
mbed_official | 237:f3da66175598 | 2777 | else |
mbed_official | 237:f3da66175598 | 2778 | { |
mbed_official | 237:f3da66175598 | 2779 | /* if no, error usecase, a Non-Acknowledge of last Data is generated by the MASTER*/ |
mbed_official | 237:f3da66175598 | 2780 | /* Clear NACK Flag */ |
mbed_official | 237:f3da66175598 | 2781 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 2782 | |
mbed_official | 237:f3da66175598 | 2783 | /* Set ErrorCode corresponding to a Non-Acknowledge */ |
mbed_official | 237:f3da66175598 | 2784 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 2785 | |
mbed_official | 237:f3da66175598 | 2786 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2787 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2788 | |
mbed_official | 237:f3da66175598 | 2789 | /* Call the Error callback to prevent upper layer */ |
mbed_official | 237:f3da66175598 | 2790 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2791 | } |
mbed_official | 237:f3da66175598 | 2792 | } |
mbed_official | 237:f3da66175598 | 2793 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) |
mbed_official | 237:f3da66175598 | 2794 | { |
mbed_official | 237:f3da66175598 | 2795 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 2796 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 2797 | } |
mbed_official | 237:f3da66175598 | 2798 | /* Check first if STOPF is set */ |
mbed_official | 237:f3da66175598 | 2799 | /* to prevent a Write Data in TX buffer */ |
mbed_official | 237:f3da66175598 | 2800 | /* which is stuck in TXDR until next */ |
mbed_official | 237:f3da66175598 | 2801 | /* communication with Master */ |
mbed_official | 237:f3da66175598 | 2802 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 237:f3da66175598 | 2803 | { |
mbed_official | 237:f3da66175598 | 2804 | /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 2805 | __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 | 237:f3da66175598 | 2806 | |
mbed_official | 237:f3da66175598 | 2807 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 2808 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 2809 | |
mbed_official | 237:f3da66175598 | 2810 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 2811 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2812 | |
mbed_official | 237:f3da66175598 | 2813 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2814 | |
mbed_official | 237:f3da66175598 | 2815 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2816 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2817 | |
mbed_official | 237:f3da66175598 | 2818 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2819 | } |
mbed_official | 237:f3da66175598 | 2820 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) |
mbed_official | 237:f3da66175598 | 2821 | { |
mbed_official | 237:f3da66175598 | 2822 | /* Write data to TXDR only if XferCount not reach "0" */ |
mbed_official | 237:f3da66175598 | 2823 | /* A TXIS flag can be set, during STOP treatment */ |
mbed_official | 237:f3da66175598 | 2824 | if(hi2c->XferCount > 0) |
mbed_official | 237:f3da66175598 | 2825 | { |
mbed_official | 237:f3da66175598 | 2826 | /* Write data to TXDR */ |
mbed_official | 237:f3da66175598 | 2827 | hi2c->Instance->TXDR = (*hi2c->pBuffPtr++); |
mbed_official | 237:f3da66175598 | 2828 | hi2c->XferCount--; |
mbed_official | 237:f3da66175598 | 2829 | } |
mbed_official | 237:f3da66175598 | 2830 | } |
mbed_official | 237:f3da66175598 | 2831 | |
mbed_official | 237:f3da66175598 | 2832 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2833 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2834 | |
mbed_official | 237:f3da66175598 | 2835 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2836 | } |
mbed_official | 237:f3da66175598 | 2837 | |
mbed_official | 237:f3da66175598 | 2838 | /** |
mbed_official | 237:f3da66175598 | 2839 | * @brief Handle Interrupt Flags Slave Receive Mode |
mbed_official | 237:f3da66175598 | 2840 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2841 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2842 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2843 | */ |
mbed_official | 237:f3da66175598 | 2844 | static HAL_StatusTypeDef I2C_SlaveReceive_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 237:f3da66175598 | 2845 | { |
mbed_official | 237:f3da66175598 | 2846 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 2847 | __HAL_LOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2848 | |
mbed_official | 237:f3da66175598 | 2849 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) != RESET) |
mbed_official | 237:f3da66175598 | 2850 | { |
mbed_official | 237:f3da66175598 | 2851 | /* Clear NACK Flag */ |
mbed_official | 237:f3da66175598 | 2852 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 2853 | |
mbed_official | 237:f3da66175598 | 2854 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2855 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2856 | |
mbed_official | 237:f3da66175598 | 2857 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 2858 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2859 | } |
mbed_official | 237:f3da66175598 | 2860 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) |
mbed_official | 237:f3da66175598 | 2861 | { |
mbed_official | 237:f3da66175598 | 2862 | /* Clear ADDR flag */ |
mbed_official | 237:f3da66175598 | 2863 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ADDR); |
mbed_official | 237:f3da66175598 | 2864 | } |
mbed_official | 237:f3da66175598 | 2865 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) |
mbed_official | 237:f3da66175598 | 2866 | { |
mbed_official | 237:f3da66175598 | 2867 | /* Read data from RXDR */ |
mbed_official | 237:f3da66175598 | 2868 | (*hi2c->pBuffPtr++) = hi2c->Instance->RXDR; |
mbed_official | 237:f3da66175598 | 2869 | hi2c->XferSize--; |
mbed_official | 237:f3da66175598 | 2870 | hi2c->XferCount--; |
mbed_official | 237:f3da66175598 | 2871 | } |
mbed_official | 237:f3da66175598 | 2872 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 237:f3da66175598 | 2873 | { |
mbed_official | 237:f3da66175598 | 2874 | /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ |
mbed_official | 237:f3da66175598 | 2875 | __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 | 237:f3da66175598 | 2876 | |
mbed_official | 237:f3da66175598 | 2877 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 2878 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 2879 | |
mbed_official | 237:f3da66175598 | 2880 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 2881 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 2882 | |
mbed_official | 237:f3da66175598 | 2883 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 2884 | |
mbed_official | 237:f3da66175598 | 2885 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2886 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2887 | |
mbed_official | 237:f3da66175598 | 2888 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 2889 | } |
mbed_official | 237:f3da66175598 | 2890 | |
mbed_official | 237:f3da66175598 | 2891 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 2892 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 2893 | |
mbed_official | 237:f3da66175598 | 2894 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2895 | } |
mbed_official | 237:f3da66175598 | 2896 | |
mbed_official | 237:f3da66175598 | 2897 | /** |
mbed_official | 237:f3da66175598 | 2898 | * @brief Master sends target device address followed by internal memory address for write request. |
mbed_official | 237:f3da66175598 | 2899 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2900 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2901 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 2902 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 2903 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 2904 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 2905 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2906 | */ |
mbed_official | 237:f3da66175598 | 2907 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 2908 | { |
mbed_official | 237:f3da66175598 | 2909 | I2C_TransferConfig(hi2c,DevAddress,MemAddSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 2910 | |
mbed_official | 237:f3da66175598 | 2911 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 2912 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2913 | { |
mbed_official | 237:f3da66175598 | 2914 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 2915 | { |
mbed_official | 237:f3da66175598 | 2916 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2917 | } |
mbed_official | 237:f3da66175598 | 2918 | else |
mbed_official | 237:f3da66175598 | 2919 | { |
mbed_official | 237:f3da66175598 | 2920 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2921 | } |
mbed_official | 237:f3da66175598 | 2922 | } |
mbed_official | 237:f3da66175598 | 2923 | |
mbed_official | 237:f3da66175598 | 2924 | /* If Memory address size is 8Bit */ |
mbed_official | 237:f3da66175598 | 2925 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
mbed_official | 237:f3da66175598 | 2926 | { |
mbed_official | 237:f3da66175598 | 2927 | /* Send Memory Address */ |
mbed_official | 237:f3da66175598 | 2928 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 237:f3da66175598 | 2929 | } |
mbed_official | 237:f3da66175598 | 2930 | /* If Memory address size is 16Bit */ |
mbed_official | 237:f3da66175598 | 2931 | else |
mbed_official | 237:f3da66175598 | 2932 | { |
mbed_official | 237:f3da66175598 | 2933 | /* Send MSB of Memory Address */ |
mbed_official | 237:f3da66175598 | 2934 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_MSB(MemAddress); |
mbed_official | 237:f3da66175598 | 2935 | |
mbed_official | 237:f3da66175598 | 2936 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 2937 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2938 | { |
mbed_official | 237:f3da66175598 | 2939 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 2940 | { |
mbed_official | 237:f3da66175598 | 2941 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2942 | } |
mbed_official | 237:f3da66175598 | 2943 | else |
mbed_official | 237:f3da66175598 | 2944 | { |
mbed_official | 237:f3da66175598 | 2945 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2946 | } |
mbed_official | 237:f3da66175598 | 2947 | } |
mbed_official | 237:f3da66175598 | 2948 | |
mbed_official | 237:f3da66175598 | 2949 | /* Send LSB of Memory Address */ |
mbed_official | 237:f3da66175598 | 2950 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 237:f3da66175598 | 2951 | } |
mbed_official | 237:f3da66175598 | 2952 | |
mbed_official | 237:f3da66175598 | 2953 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 2954 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2955 | { |
mbed_official | 237:f3da66175598 | 2956 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2957 | } |
mbed_official | 237:f3da66175598 | 2958 | |
mbed_official | 237:f3da66175598 | 2959 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 2960 | } |
mbed_official | 237:f3da66175598 | 2961 | |
mbed_official | 237:f3da66175598 | 2962 | /** |
mbed_official | 237:f3da66175598 | 2963 | * @brief Master sends target device address followed by internal memory address for read request. |
mbed_official | 237:f3da66175598 | 2964 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 2965 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 2966 | * @param DevAddress: Target device address |
mbed_official | 237:f3da66175598 | 2967 | * @param MemAddress: Internal memory address |
mbed_official | 237:f3da66175598 | 2968 | * @param MemAddSize: Size of internal memory address |
mbed_official | 237:f3da66175598 | 2969 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 2970 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 2971 | */ |
mbed_official | 237:f3da66175598 | 2972 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 2973 | { |
mbed_official | 237:f3da66175598 | 2974 | I2C_TransferConfig(hi2c,DevAddress,MemAddSize, I2C_SOFTEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 237:f3da66175598 | 2975 | |
mbed_official | 237:f3da66175598 | 2976 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 2977 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 2978 | { |
mbed_official | 237:f3da66175598 | 2979 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 2980 | { |
mbed_official | 237:f3da66175598 | 2981 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 2982 | } |
mbed_official | 237:f3da66175598 | 2983 | else |
mbed_official | 237:f3da66175598 | 2984 | { |
mbed_official | 237:f3da66175598 | 2985 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 2986 | } |
mbed_official | 237:f3da66175598 | 2987 | } |
mbed_official | 237:f3da66175598 | 2988 | |
mbed_official | 237:f3da66175598 | 2989 | /* If Memory address size is 8Bit */ |
mbed_official | 237:f3da66175598 | 2990 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
mbed_official | 237:f3da66175598 | 2991 | { |
mbed_official | 237:f3da66175598 | 2992 | /* Send Memory Address */ |
mbed_official | 237:f3da66175598 | 2993 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 237:f3da66175598 | 2994 | } |
mbed_official | 237:f3da66175598 | 2995 | /* If Mememory address size is 16Bit */ |
mbed_official | 237:f3da66175598 | 2996 | else |
mbed_official | 237:f3da66175598 | 2997 | { |
mbed_official | 237:f3da66175598 | 2998 | /* Send MSB of Memory Address */ |
mbed_official | 237:f3da66175598 | 2999 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_MSB(MemAddress); |
mbed_official | 237:f3da66175598 | 3000 | |
mbed_official | 237:f3da66175598 | 3001 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 3002 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3003 | { |
mbed_official | 237:f3da66175598 | 3004 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3005 | { |
mbed_official | 237:f3da66175598 | 3006 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 3007 | } |
mbed_official | 237:f3da66175598 | 3008 | else |
mbed_official | 237:f3da66175598 | 3009 | { |
mbed_official | 237:f3da66175598 | 3010 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3011 | } |
mbed_official | 237:f3da66175598 | 3012 | } |
mbed_official | 237:f3da66175598 | 3013 | |
mbed_official | 237:f3da66175598 | 3014 | /* Send LSB of Memory Address */ |
mbed_official | 237:f3da66175598 | 3015 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 237:f3da66175598 | 3016 | } |
mbed_official | 237:f3da66175598 | 3017 | |
mbed_official | 237:f3da66175598 | 3018 | /* Wait until TC flag is set */ |
mbed_official | 237:f3da66175598 | 3019 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3020 | { |
mbed_official | 237:f3da66175598 | 3021 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3022 | } |
mbed_official | 237:f3da66175598 | 3023 | |
mbed_official | 237:f3da66175598 | 3024 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 3025 | } |
mbed_official | 237:f3da66175598 | 3026 | |
mbed_official | 237:f3da66175598 | 3027 | |
mbed_official | 237:f3da66175598 | 3028 | /** |
mbed_official | 237:f3da66175598 | 3029 | * @brief DMA I2C master transmit process complete callback. |
mbed_official | 237:f3da66175598 | 3030 | * @param hdma: DMA handle |
mbed_official | 237:f3da66175598 | 3031 | * @retval None |
mbed_official | 237:f3da66175598 | 3032 | */ |
mbed_official | 237:f3da66175598 | 3033 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3034 | { |
mbed_official | 237:f3da66175598 | 3035 | uint16_t DevAddress; |
mbed_official | 237:f3da66175598 | 3036 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3037 | |
mbed_official | 237:f3da66175598 | 3038 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 237:f3da66175598 | 3039 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3040 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3041 | { |
mbed_official | 237:f3da66175598 | 3042 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 3043 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3044 | { |
mbed_official | 237:f3da66175598 | 3045 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3046 | } |
mbed_official | 237:f3da66175598 | 3047 | |
mbed_official | 237:f3da66175598 | 3048 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3049 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3050 | |
mbed_official | 237:f3da66175598 | 3051 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3052 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3053 | { |
mbed_official | 237:f3da66175598 | 3054 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3055 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3056 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3057 | { |
mbed_official | 237:f3da66175598 | 3058 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3059 | { |
mbed_official | 237:f3da66175598 | 3060 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3061 | } |
mbed_official | 237:f3da66175598 | 3062 | else |
mbed_official | 237:f3da66175598 | 3063 | { |
mbed_official | 237:f3da66175598 | 3064 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3065 | } |
mbed_official | 237:f3da66175598 | 3066 | } |
mbed_official | 237:f3da66175598 | 3067 | |
mbed_official | 237:f3da66175598 | 3068 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3069 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3070 | |
mbed_official | 237:f3da66175598 | 3071 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3072 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3073 | |
mbed_official | 237:f3da66175598 | 3074 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3075 | |
mbed_official | 237:f3da66175598 | 3076 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3077 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3078 | } |
mbed_official | 237:f3da66175598 | 3079 | else |
mbed_official | 237:f3da66175598 | 3080 | { |
mbed_official | 237:f3da66175598 | 3081 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3082 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3083 | if(hi2c->XferCount > 255) |
mbed_official | 237:f3da66175598 | 3084 | { |
mbed_official | 237:f3da66175598 | 3085 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 3086 | } |
mbed_official | 237:f3da66175598 | 3087 | else |
mbed_official | 237:f3da66175598 | 3088 | { |
mbed_official | 237:f3da66175598 | 3089 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 237:f3da66175598 | 3090 | } |
mbed_official | 237:f3da66175598 | 3091 | |
mbed_official | 237:f3da66175598 | 3092 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 237:f3da66175598 | 3093 | |
mbed_official | 237:f3da66175598 | 3094 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 3095 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 3096 | |
mbed_official | 237:f3da66175598 | 3097 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 3098 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3099 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3100 | { |
mbed_official | 237:f3da66175598 | 3101 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3102 | } |
mbed_official | 237:f3da66175598 | 3103 | else |
mbed_official | 237:f3da66175598 | 3104 | { |
mbed_official | 237:f3da66175598 | 3105 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3106 | } |
mbed_official | 237:f3da66175598 | 3107 | |
mbed_official | 237:f3da66175598 | 3108 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 3109 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3110 | { |
mbed_official | 237:f3da66175598 | 3111 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3112 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3113 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3114 | { |
mbed_official | 237:f3da66175598 | 3115 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3116 | { |
mbed_official | 237:f3da66175598 | 3117 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3118 | } |
mbed_official | 237:f3da66175598 | 3119 | else |
mbed_official | 237:f3da66175598 | 3120 | { |
mbed_official | 237:f3da66175598 | 3121 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3122 | } |
mbed_official | 237:f3da66175598 | 3123 | } |
mbed_official | 237:f3da66175598 | 3124 | |
mbed_official | 237:f3da66175598 | 3125 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3126 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3127 | |
mbed_official | 237:f3da66175598 | 3128 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3129 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3130 | |
mbed_official | 237:f3da66175598 | 3131 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3132 | |
mbed_official | 237:f3da66175598 | 3133 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3134 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3135 | } |
mbed_official | 237:f3da66175598 | 3136 | else |
mbed_official | 237:f3da66175598 | 3137 | { |
mbed_official | 237:f3da66175598 | 3138 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 3139 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3140 | } |
mbed_official | 237:f3da66175598 | 3141 | } |
mbed_official | 237:f3da66175598 | 3142 | } |
mbed_official | 237:f3da66175598 | 3143 | else |
mbed_official | 237:f3da66175598 | 3144 | { |
mbed_official | 237:f3da66175598 | 3145 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3146 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3147 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3148 | { |
mbed_official | 237:f3da66175598 | 3149 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3150 | { |
mbed_official | 237:f3da66175598 | 3151 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3152 | } |
mbed_official | 237:f3da66175598 | 3153 | else |
mbed_official | 237:f3da66175598 | 3154 | { |
mbed_official | 237:f3da66175598 | 3155 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3156 | } |
mbed_official | 237:f3da66175598 | 3157 | } |
mbed_official | 237:f3da66175598 | 3158 | |
mbed_official | 237:f3da66175598 | 3159 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3160 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3161 | |
mbed_official | 237:f3da66175598 | 3162 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3163 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3164 | |
mbed_official | 237:f3da66175598 | 3165 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3166 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3167 | |
mbed_official | 237:f3da66175598 | 3168 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3169 | |
mbed_official | 237:f3da66175598 | 3170 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3171 | |
mbed_official | 237:f3da66175598 | 3172 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3173 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3174 | { |
mbed_official | 237:f3da66175598 | 3175 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3176 | } |
mbed_official | 237:f3da66175598 | 3177 | else |
mbed_official | 237:f3da66175598 | 3178 | { |
mbed_official | 237:f3da66175598 | 3179 | HAL_I2C_MasterTxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3180 | } |
mbed_official | 237:f3da66175598 | 3181 | } |
mbed_official | 237:f3da66175598 | 3182 | } |
mbed_official | 237:f3da66175598 | 3183 | |
mbed_official | 237:f3da66175598 | 3184 | /** |
mbed_official | 237:f3da66175598 | 3185 | * @brief DMA I2C slave transmit process complete callback. |
mbed_official | 237:f3da66175598 | 3186 | * @param hdma: DMA handle |
mbed_official | 237:f3da66175598 | 3187 | * @retval None |
mbed_official | 237:f3da66175598 | 3188 | */ |
mbed_official | 237:f3da66175598 | 3189 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3190 | { |
mbed_official | 237:f3da66175598 | 3191 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3192 | |
mbed_official | 237:f3da66175598 | 3193 | /* Wait until STOP flag is set */ |
mbed_official | 237:f3da66175598 | 3194 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3195 | { |
mbed_official | 237:f3da66175598 | 3196 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3197 | { |
mbed_official | 237:f3da66175598 | 3198 | /* Normal Use case, a AF is generated by master */ |
mbed_official | 237:f3da66175598 | 3199 | /* to inform slave the end of transfer */ |
mbed_official | 237:f3da66175598 | 3200 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 3201 | } |
mbed_official | 237:f3da66175598 | 3202 | else |
mbed_official | 237:f3da66175598 | 3203 | { |
mbed_official | 237:f3da66175598 | 3204 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3205 | } |
mbed_official | 237:f3da66175598 | 3206 | } |
mbed_official | 237:f3da66175598 | 3207 | |
mbed_official | 237:f3da66175598 | 3208 | /* Clear STOP flag */ |
mbed_official | 237:f3da66175598 | 3209 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3210 | |
mbed_official | 237:f3da66175598 | 3211 | /* Wait until BUSY flag is reset */ |
mbed_official | 237:f3da66175598 | 3212 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3213 | { |
mbed_official | 237:f3da66175598 | 3214 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3215 | } |
mbed_official | 237:f3da66175598 | 3216 | |
mbed_official | 237:f3da66175598 | 3217 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3218 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3219 | |
mbed_official | 237:f3da66175598 | 3220 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3221 | |
mbed_official | 237:f3da66175598 | 3222 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3223 | |
mbed_official | 237:f3da66175598 | 3224 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3225 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3226 | { |
mbed_official | 237:f3da66175598 | 3227 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3228 | } |
mbed_official | 237:f3da66175598 | 3229 | else |
mbed_official | 237:f3da66175598 | 3230 | { |
mbed_official | 237:f3da66175598 | 3231 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3232 | } |
mbed_official | 237:f3da66175598 | 3233 | } |
mbed_official | 237:f3da66175598 | 3234 | |
mbed_official | 237:f3da66175598 | 3235 | /** |
mbed_official | 237:f3da66175598 | 3236 | * @brief DMA I2C master receive process complete callback |
mbed_official | 237:f3da66175598 | 3237 | * @param hdma: DMA handle |
mbed_official | 237:f3da66175598 | 3238 | * @retval None |
mbed_official | 237:f3da66175598 | 3239 | */ |
mbed_official | 237:f3da66175598 | 3240 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3241 | { |
mbed_official | 237:f3da66175598 | 3242 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3243 | uint16_t DevAddress; |
mbed_official | 237:f3da66175598 | 3244 | |
mbed_official | 237:f3da66175598 | 3245 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 237:f3da66175598 | 3246 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3247 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3248 | { |
mbed_official | 237:f3da66175598 | 3249 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 3250 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3251 | { |
mbed_official | 237:f3da66175598 | 3252 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3253 | } |
mbed_official | 237:f3da66175598 | 3254 | |
mbed_official | 237:f3da66175598 | 3255 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3256 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3257 | |
mbed_official | 237:f3da66175598 | 3258 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3259 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3260 | { |
mbed_official | 237:f3da66175598 | 3261 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3262 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3263 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3264 | { |
mbed_official | 237:f3da66175598 | 3265 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3266 | { |
mbed_official | 237:f3da66175598 | 3267 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3268 | } |
mbed_official | 237:f3da66175598 | 3269 | else |
mbed_official | 237:f3da66175598 | 3270 | { |
mbed_official | 237:f3da66175598 | 3271 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3272 | } |
mbed_official | 237:f3da66175598 | 3273 | } |
mbed_official | 237:f3da66175598 | 3274 | |
mbed_official | 237:f3da66175598 | 3275 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3276 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3277 | |
mbed_official | 237:f3da66175598 | 3278 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3279 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3280 | |
mbed_official | 237:f3da66175598 | 3281 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3282 | |
mbed_official | 237:f3da66175598 | 3283 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3284 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3285 | } |
mbed_official | 237:f3da66175598 | 3286 | else |
mbed_official | 237:f3da66175598 | 3287 | { |
mbed_official | 237:f3da66175598 | 3288 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3289 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3290 | if(hi2c->XferCount > 255) |
mbed_official | 237:f3da66175598 | 3291 | { |
mbed_official | 237:f3da66175598 | 3292 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 3293 | } |
mbed_official | 237:f3da66175598 | 3294 | else |
mbed_official | 237:f3da66175598 | 3295 | { |
mbed_official | 237:f3da66175598 | 3296 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 237:f3da66175598 | 3297 | } |
mbed_official | 237:f3da66175598 | 3298 | |
mbed_official | 237:f3da66175598 | 3299 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 237:f3da66175598 | 3300 | |
mbed_official | 237:f3da66175598 | 3301 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 3302 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 3303 | |
mbed_official | 237:f3da66175598 | 3304 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 3305 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3306 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3307 | { |
mbed_official | 237:f3da66175598 | 3308 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3309 | } |
mbed_official | 237:f3da66175598 | 3310 | else |
mbed_official | 237:f3da66175598 | 3311 | { |
mbed_official | 237:f3da66175598 | 3312 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3313 | } |
mbed_official | 237:f3da66175598 | 3314 | |
mbed_official | 237:f3da66175598 | 3315 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 3316 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3317 | { |
mbed_official | 237:f3da66175598 | 3318 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3319 | } |
mbed_official | 237:f3da66175598 | 3320 | |
mbed_official | 237:f3da66175598 | 3321 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3322 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3323 | { |
mbed_official | 237:f3da66175598 | 3324 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3325 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3326 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3327 | { |
mbed_official | 237:f3da66175598 | 3328 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3329 | { |
mbed_official | 237:f3da66175598 | 3330 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3331 | } |
mbed_official | 237:f3da66175598 | 3332 | else |
mbed_official | 237:f3da66175598 | 3333 | { |
mbed_official | 237:f3da66175598 | 3334 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3335 | } |
mbed_official | 237:f3da66175598 | 3336 | } |
mbed_official | 237:f3da66175598 | 3337 | |
mbed_official | 237:f3da66175598 | 3338 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3339 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3340 | |
mbed_official | 237:f3da66175598 | 3341 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3342 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3343 | |
mbed_official | 237:f3da66175598 | 3344 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3345 | |
mbed_official | 237:f3da66175598 | 3346 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3347 | |
mbed_official | 237:f3da66175598 | 3348 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3349 | } |
mbed_official | 237:f3da66175598 | 3350 | else |
mbed_official | 237:f3da66175598 | 3351 | { |
mbed_official | 237:f3da66175598 | 3352 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 3353 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3354 | } |
mbed_official | 237:f3da66175598 | 3355 | } |
mbed_official | 237:f3da66175598 | 3356 | } |
mbed_official | 237:f3da66175598 | 3357 | else |
mbed_official | 237:f3da66175598 | 3358 | { |
mbed_official | 237:f3da66175598 | 3359 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3360 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3361 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3362 | { |
mbed_official | 237:f3da66175598 | 3363 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3364 | { |
mbed_official | 237:f3da66175598 | 3365 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3366 | } |
mbed_official | 237:f3da66175598 | 3367 | else |
mbed_official | 237:f3da66175598 | 3368 | { |
mbed_official | 237:f3da66175598 | 3369 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3370 | } |
mbed_official | 237:f3da66175598 | 3371 | } |
mbed_official | 237:f3da66175598 | 3372 | |
mbed_official | 237:f3da66175598 | 3373 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3374 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3375 | |
mbed_official | 237:f3da66175598 | 3376 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3377 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3378 | |
mbed_official | 237:f3da66175598 | 3379 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3380 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3381 | |
mbed_official | 237:f3da66175598 | 3382 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3383 | |
mbed_official | 237:f3da66175598 | 3384 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3385 | |
mbed_official | 237:f3da66175598 | 3386 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3387 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3388 | { |
mbed_official | 237:f3da66175598 | 3389 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3390 | } |
mbed_official | 237:f3da66175598 | 3391 | else |
mbed_official | 237:f3da66175598 | 3392 | { |
mbed_official | 237:f3da66175598 | 3393 | HAL_I2C_MasterRxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3394 | } |
mbed_official | 237:f3da66175598 | 3395 | } |
mbed_official | 237:f3da66175598 | 3396 | } |
mbed_official | 237:f3da66175598 | 3397 | |
mbed_official | 237:f3da66175598 | 3398 | /** |
mbed_official | 237:f3da66175598 | 3399 | * @brief DMA I2C slave receive process complete callback. |
mbed_official | 237:f3da66175598 | 3400 | * @param hdma: DMA handle |
mbed_official | 237:f3da66175598 | 3401 | * @retval None |
mbed_official | 237:f3da66175598 | 3402 | */ |
mbed_official | 237:f3da66175598 | 3403 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3404 | { |
mbed_official | 237:f3da66175598 | 3405 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3406 | |
mbed_official | 237:f3da66175598 | 3407 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3408 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3409 | { |
mbed_official | 237:f3da66175598 | 3410 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3411 | { |
mbed_official | 237:f3da66175598 | 3412 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3413 | } |
mbed_official | 237:f3da66175598 | 3414 | else |
mbed_official | 237:f3da66175598 | 3415 | { |
mbed_official | 237:f3da66175598 | 3416 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3417 | } |
mbed_official | 237:f3da66175598 | 3418 | } |
mbed_official | 237:f3da66175598 | 3419 | |
mbed_official | 237:f3da66175598 | 3420 | /* Clear STOPF flag */ |
mbed_official | 237:f3da66175598 | 3421 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3422 | |
mbed_official | 237:f3da66175598 | 3423 | /* Wait until BUSY flag is reset */ |
mbed_official | 237:f3da66175598 | 3424 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3425 | { |
mbed_official | 237:f3da66175598 | 3426 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3427 | } |
mbed_official | 237:f3da66175598 | 3428 | |
mbed_official | 237:f3da66175598 | 3429 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3430 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3431 | |
mbed_official | 237:f3da66175598 | 3432 | /* Disable Address Acknowledge */ |
mbed_official | 237:f3da66175598 | 3433 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 3434 | |
mbed_official | 237:f3da66175598 | 3435 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3436 | |
mbed_official | 237:f3da66175598 | 3437 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3438 | |
mbed_official | 237:f3da66175598 | 3439 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3440 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3441 | { |
mbed_official | 237:f3da66175598 | 3442 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3443 | } |
mbed_official | 237:f3da66175598 | 3444 | else |
mbed_official | 237:f3da66175598 | 3445 | { |
mbed_official | 237:f3da66175598 | 3446 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3447 | } |
mbed_official | 237:f3da66175598 | 3448 | } |
mbed_official | 237:f3da66175598 | 3449 | |
mbed_official | 237:f3da66175598 | 3450 | /** |
mbed_official | 237:f3da66175598 | 3451 | * @brief DMA I2C Memory Write process complete callback |
mbed_official | 237:f3da66175598 | 3452 | * @param hdma : DMA handle |
mbed_official | 237:f3da66175598 | 3453 | * @retval None |
mbed_official | 237:f3da66175598 | 3454 | */ |
mbed_official | 237:f3da66175598 | 3455 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3456 | { |
mbed_official | 237:f3da66175598 | 3457 | uint16_t DevAddress; |
mbed_official | 237:f3da66175598 | 3458 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3459 | |
mbed_official | 237:f3da66175598 | 3460 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 237:f3da66175598 | 3461 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3462 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3463 | { |
mbed_official | 237:f3da66175598 | 3464 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 3465 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3466 | { |
mbed_official | 237:f3da66175598 | 3467 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3468 | } |
mbed_official | 237:f3da66175598 | 3469 | |
mbed_official | 237:f3da66175598 | 3470 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3471 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3472 | |
mbed_official | 237:f3da66175598 | 3473 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3474 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3475 | { |
mbed_official | 237:f3da66175598 | 3476 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3477 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3478 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3479 | { |
mbed_official | 237:f3da66175598 | 3480 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3481 | { |
mbed_official | 237:f3da66175598 | 3482 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3483 | } |
mbed_official | 237:f3da66175598 | 3484 | else |
mbed_official | 237:f3da66175598 | 3485 | { |
mbed_official | 237:f3da66175598 | 3486 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3487 | } |
mbed_official | 237:f3da66175598 | 3488 | } |
mbed_official | 237:f3da66175598 | 3489 | |
mbed_official | 237:f3da66175598 | 3490 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3491 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3492 | |
mbed_official | 237:f3da66175598 | 3493 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3494 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3495 | |
mbed_official | 237:f3da66175598 | 3496 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3497 | |
mbed_official | 237:f3da66175598 | 3498 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3499 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3500 | } |
mbed_official | 237:f3da66175598 | 3501 | else |
mbed_official | 237:f3da66175598 | 3502 | { |
mbed_official | 237:f3da66175598 | 3503 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3504 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3505 | if(hi2c->XferCount > 255) |
mbed_official | 237:f3da66175598 | 3506 | { |
mbed_official | 237:f3da66175598 | 3507 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 3508 | } |
mbed_official | 237:f3da66175598 | 3509 | else |
mbed_official | 237:f3da66175598 | 3510 | { |
mbed_official | 237:f3da66175598 | 3511 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 237:f3da66175598 | 3512 | } |
mbed_official | 237:f3da66175598 | 3513 | |
mbed_official | 237:f3da66175598 | 3514 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 237:f3da66175598 | 3515 | |
mbed_official | 237:f3da66175598 | 3516 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 3517 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 3518 | |
mbed_official | 237:f3da66175598 | 3519 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 3520 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3521 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3522 | { |
mbed_official | 237:f3da66175598 | 3523 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3524 | } |
mbed_official | 237:f3da66175598 | 3525 | else |
mbed_official | 237:f3da66175598 | 3526 | { |
mbed_official | 237:f3da66175598 | 3527 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3528 | } |
mbed_official | 237:f3da66175598 | 3529 | |
mbed_official | 237:f3da66175598 | 3530 | /* Wait until TXIS flag is set */ |
mbed_official | 237:f3da66175598 | 3531 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3532 | { |
mbed_official | 237:f3da66175598 | 3533 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3534 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3535 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3536 | { |
mbed_official | 237:f3da66175598 | 3537 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3538 | { |
mbed_official | 237:f3da66175598 | 3539 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3540 | } |
mbed_official | 237:f3da66175598 | 3541 | else |
mbed_official | 237:f3da66175598 | 3542 | { |
mbed_official | 237:f3da66175598 | 3543 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3544 | } |
mbed_official | 237:f3da66175598 | 3545 | } |
mbed_official | 237:f3da66175598 | 3546 | |
mbed_official | 237:f3da66175598 | 3547 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3548 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3549 | |
mbed_official | 237:f3da66175598 | 3550 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3551 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3552 | |
mbed_official | 237:f3da66175598 | 3553 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3554 | |
mbed_official | 237:f3da66175598 | 3555 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3556 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3557 | } |
mbed_official | 237:f3da66175598 | 3558 | else |
mbed_official | 237:f3da66175598 | 3559 | { |
mbed_official | 237:f3da66175598 | 3560 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 3561 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3562 | } |
mbed_official | 237:f3da66175598 | 3563 | } |
mbed_official | 237:f3da66175598 | 3564 | } |
mbed_official | 237:f3da66175598 | 3565 | else |
mbed_official | 237:f3da66175598 | 3566 | { |
mbed_official | 237:f3da66175598 | 3567 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3568 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3569 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3570 | { |
mbed_official | 237:f3da66175598 | 3571 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3572 | { |
mbed_official | 237:f3da66175598 | 3573 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3574 | } |
mbed_official | 237:f3da66175598 | 3575 | else |
mbed_official | 237:f3da66175598 | 3576 | { |
mbed_official | 237:f3da66175598 | 3577 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3578 | } |
mbed_official | 237:f3da66175598 | 3579 | } |
mbed_official | 237:f3da66175598 | 3580 | |
mbed_official | 237:f3da66175598 | 3581 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3582 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3583 | |
mbed_official | 237:f3da66175598 | 3584 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3585 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3586 | |
mbed_official | 237:f3da66175598 | 3587 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3588 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 237:f3da66175598 | 3589 | |
mbed_official | 237:f3da66175598 | 3590 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3591 | |
mbed_official | 237:f3da66175598 | 3592 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3593 | |
mbed_official | 237:f3da66175598 | 3594 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3595 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3596 | { |
mbed_official | 237:f3da66175598 | 3597 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3598 | } |
mbed_official | 237:f3da66175598 | 3599 | else |
mbed_official | 237:f3da66175598 | 3600 | { |
mbed_official | 237:f3da66175598 | 3601 | HAL_I2C_MemTxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3602 | } |
mbed_official | 237:f3da66175598 | 3603 | } |
mbed_official | 237:f3da66175598 | 3604 | } |
mbed_official | 237:f3da66175598 | 3605 | |
mbed_official | 237:f3da66175598 | 3606 | /** |
mbed_official | 237:f3da66175598 | 3607 | * @brief DMA I2C Memory Read process complete callback |
mbed_official | 237:f3da66175598 | 3608 | * @param hdma: DMA handle |
mbed_official | 237:f3da66175598 | 3609 | * @retval None |
mbed_official | 237:f3da66175598 | 3610 | */ |
mbed_official | 237:f3da66175598 | 3611 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3612 | { |
mbed_official | 237:f3da66175598 | 3613 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3614 | uint16_t DevAddress; |
mbed_official | 237:f3da66175598 | 3615 | |
mbed_official | 237:f3da66175598 | 3616 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 237:f3da66175598 | 3617 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3618 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3619 | { |
mbed_official | 237:f3da66175598 | 3620 | /* Wait until TCR flag is set */ |
mbed_official | 237:f3da66175598 | 3621 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3622 | { |
mbed_official | 237:f3da66175598 | 3623 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3624 | } |
mbed_official | 237:f3da66175598 | 3625 | |
mbed_official | 237:f3da66175598 | 3626 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3627 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3628 | |
mbed_official | 237:f3da66175598 | 3629 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3630 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3631 | { |
mbed_official | 237:f3da66175598 | 3632 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3633 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3634 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3635 | { |
mbed_official | 237:f3da66175598 | 3636 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3637 | { |
mbed_official | 237:f3da66175598 | 3638 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3639 | } |
mbed_official | 237:f3da66175598 | 3640 | else |
mbed_official | 237:f3da66175598 | 3641 | { |
mbed_official | 237:f3da66175598 | 3642 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3643 | } |
mbed_official | 237:f3da66175598 | 3644 | } |
mbed_official | 237:f3da66175598 | 3645 | |
mbed_official | 237:f3da66175598 | 3646 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3647 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3648 | |
mbed_official | 237:f3da66175598 | 3649 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3650 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3651 | |
mbed_official | 237:f3da66175598 | 3652 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3653 | |
mbed_official | 237:f3da66175598 | 3654 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3655 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3656 | } |
mbed_official | 237:f3da66175598 | 3657 | else |
mbed_official | 237:f3da66175598 | 3658 | { |
mbed_official | 237:f3da66175598 | 3659 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3660 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 237:f3da66175598 | 3661 | if(hi2c->XferCount > 255) |
mbed_official | 237:f3da66175598 | 3662 | { |
mbed_official | 237:f3da66175598 | 3663 | hi2c->XferSize = 255; |
mbed_official | 237:f3da66175598 | 3664 | } |
mbed_official | 237:f3da66175598 | 3665 | else |
mbed_official | 237:f3da66175598 | 3666 | { |
mbed_official | 237:f3da66175598 | 3667 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 237:f3da66175598 | 3668 | } |
mbed_official | 237:f3da66175598 | 3669 | |
mbed_official | 237:f3da66175598 | 3670 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 237:f3da66175598 | 3671 | |
mbed_official | 237:f3da66175598 | 3672 | /* Enable the DMA channel */ |
mbed_official | 237:f3da66175598 | 3673 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); |
mbed_official | 237:f3da66175598 | 3674 | |
mbed_official | 237:f3da66175598 | 3675 | /* Send Slave Address */ |
mbed_official | 237:f3da66175598 | 3676 | /* Set NBYTES to write and reload if size > 255 */ |
mbed_official | 237:f3da66175598 | 3677 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 237:f3da66175598 | 3678 | { |
mbed_official | 237:f3da66175598 | 3679 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3680 | } |
mbed_official | 237:f3da66175598 | 3681 | else |
mbed_official | 237:f3da66175598 | 3682 | { |
mbed_official | 237:f3da66175598 | 3683 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 237:f3da66175598 | 3684 | } |
mbed_official | 237:f3da66175598 | 3685 | |
mbed_official | 237:f3da66175598 | 3686 | /* Wait until RXNE flag is set */ |
mbed_official | 237:f3da66175598 | 3687 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3688 | { |
mbed_official | 237:f3da66175598 | 3689 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3690 | } |
mbed_official | 237:f3da66175598 | 3691 | |
mbed_official | 237:f3da66175598 | 3692 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3693 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3694 | { |
mbed_official | 237:f3da66175598 | 3695 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3696 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3697 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3698 | { |
mbed_official | 237:f3da66175598 | 3699 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3700 | { |
mbed_official | 237:f3da66175598 | 3701 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3702 | } |
mbed_official | 237:f3da66175598 | 3703 | else |
mbed_official | 237:f3da66175598 | 3704 | { |
mbed_official | 237:f3da66175598 | 3705 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3706 | } |
mbed_official | 237:f3da66175598 | 3707 | } |
mbed_official | 237:f3da66175598 | 3708 | |
mbed_official | 237:f3da66175598 | 3709 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3710 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3711 | |
mbed_official | 237:f3da66175598 | 3712 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3713 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3714 | |
mbed_official | 237:f3da66175598 | 3715 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3716 | |
mbed_official | 237:f3da66175598 | 3717 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3718 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3719 | } |
mbed_official | 237:f3da66175598 | 3720 | else |
mbed_official | 237:f3da66175598 | 3721 | { |
mbed_official | 237:f3da66175598 | 3722 | /* Enable DMA Request */ |
mbed_official | 237:f3da66175598 | 3723 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3724 | } |
mbed_official | 237:f3da66175598 | 3725 | } |
mbed_official | 237:f3da66175598 | 3726 | } |
mbed_official | 237:f3da66175598 | 3727 | else |
mbed_official | 237:f3da66175598 | 3728 | { |
mbed_official | 237:f3da66175598 | 3729 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 237:f3da66175598 | 3730 | /* Wait until STOPF flag is reset */ |
mbed_official | 237:f3da66175598 | 3731 | if(I2C_WaitOnSTOPFlagUntilTimeout(hi2c, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3732 | { |
mbed_official | 237:f3da66175598 | 3733 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 237:f3da66175598 | 3734 | { |
mbed_official | 237:f3da66175598 | 3735 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 3736 | } |
mbed_official | 237:f3da66175598 | 3737 | else |
mbed_official | 237:f3da66175598 | 3738 | { |
mbed_official | 237:f3da66175598 | 3739 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3740 | } |
mbed_official | 237:f3da66175598 | 3741 | } |
mbed_official | 237:f3da66175598 | 3742 | |
mbed_official | 237:f3da66175598 | 3743 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3744 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3745 | |
mbed_official | 237:f3da66175598 | 3746 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3747 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3748 | |
mbed_official | 237:f3da66175598 | 3749 | /* Disable DMA Request */ |
mbed_official | 237:f3da66175598 | 3750 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 237:f3da66175598 | 3751 | |
mbed_official | 237:f3da66175598 | 3752 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3753 | |
mbed_official | 237:f3da66175598 | 3754 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3755 | |
mbed_official | 237:f3da66175598 | 3756 | /* Check if Errors has been detected during transfer */ |
mbed_official | 237:f3da66175598 | 3757 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 237:f3da66175598 | 3758 | { |
mbed_official | 237:f3da66175598 | 3759 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3760 | } |
mbed_official | 237:f3da66175598 | 3761 | else |
mbed_official | 237:f3da66175598 | 3762 | { |
mbed_official | 237:f3da66175598 | 3763 | HAL_I2C_MemRxCpltCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3764 | } |
mbed_official | 237:f3da66175598 | 3765 | } |
mbed_official | 237:f3da66175598 | 3766 | } |
mbed_official | 237:f3da66175598 | 3767 | |
mbed_official | 237:f3da66175598 | 3768 | /** |
mbed_official | 237:f3da66175598 | 3769 | * @brief DMA I2C communication error callback. |
mbed_official | 237:f3da66175598 | 3770 | * @param hdma : DMA handle |
mbed_official | 237:f3da66175598 | 3771 | * @retval None |
mbed_official | 237:f3da66175598 | 3772 | */ |
mbed_official | 237:f3da66175598 | 3773 | static void I2C_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 237:f3da66175598 | 3774 | { |
mbed_official | 237:f3da66175598 | 3775 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 237:f3da66175598 | 3776 | |
mbed_official | 237:f3da66175598 | 3777 | /* Disable Acknowledge */ |
mbed_official | 237:f3da66175598 | 3778 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 237:f3da66175598 | 3779 | |
mbed_official | 237:f3da66175598 | 3780 | hi2c->XferCount = 0; |
mbed_official | 237:f3da66175598 | 3781 | |
mbed_official | 237:f3da66175598 | 3782 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3783 | |
mbed_official | 237:f3da66175598 | 3784 | hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; |
mbed_official | 237:f3da66175598 | 3785 | |
mbed_official | 237:f3da66175598 | 3786 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 237:f3da66175598 | 3787 | } |
mbed_official | 237:f3da66175598 | 3788 | |
mbed_official | 237:f3da66175598 | 3789 | /** |
mbed_official | 237:f3da66175598 | 3790 | * @brief This function handles I2C Communication Timeout. |
mbed_official | 237:f3da66175598 | 3791 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 3792 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 3793 | * @param Flag: specifies the I2C flag to check. |
mbed_official | 237:f3da66175598 | 3794 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 237:f3da66175598 | 3795 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 3796 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 3797 | */ |
mbed_official | 237:f3da66175598 | 3798 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 3799 | { |
mbed_official | 237:f3da66175598 | 3800 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 3801 | |
mbed_official | 237:f3da66175598 | 3802 | /* Wait until flag is set */ |
mbed_official | 237:f3da66175598 | 3803 | if(Status == RESET) |
mbed_official | 237:f3da66175598 | 3804 | { |
mbed_official | 237:f3da66175598 | 3805 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET) |
mbed_official | 237:f3da66175598 | 3806 | { |
mbed_official | 237:f3da66175598 | 3807 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 3808 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 3809 | { |
mbed_official | 237:f3da66175598 | 3810 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 3811 | { |
mbed_official | 237:f3da66175598 | 3812 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3813 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3814 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3815 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3816 | } |
mbed_official | 237:f3da66175598 | 3817 | } |
mbed_official | 237:f3da66175598 | 3818 | } |
mbed_official | 237:f3da66175598 | 3819 | } |
mbed_official | 237:f3da66175598 | 3820 | else |
mbed_official | 237:f3da66175598 | 3821 | { |
mbed_official | 237:f3da66175598 | 3822 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) != RESET) |
mbed_official | 237:f3da66175598 | 3823 | { |
mbed_official | 237:f3da66175598 | 3824 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 3825 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 3826 | { |
mbed_official | 237:f3da66175598 | 3827 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 3828 | { |
mbed_official | 237:f3da66175598 | 3829 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3830 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3831 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3832 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3833 | } |
mbed_official | 237:f3da66175598 | 3834 | } |
mbed_official | 237:f3da66175598 | 3835 | } |
mbed_official | 237:f3da66175598 | 3836 | } |
mbed_official | 237:f3da66175598 | 3837 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 3838 | } |
mbed_official | 237:f3da66175598 | 3839 | |
mbed_official | 237:f3da66175598 | 3840 | /** |
mbed_official | 237:f3da66175598 | 3841 | * @brief This function handles I2C Communication Timeout for specific usage of TXIS flag. |
mbed_official | 237:f3da66175598 | 3842 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 3843 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 3844 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 3845 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 3846 | */ |
mbed_official | 237:f3da66175598 | 3847 | static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 3848 | { |
mbed_official | 237:f3da66175598 | 3849 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 3850 | |
mbed_official | 237:f3da66175598 | 3851 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == RESET) |
mbed_official | 237:f3da66175598 | 3852 | { |
mbed_official | 237:f3da66175598 | 3853 | /* Check if a NACK is detected */ |
mbed_official | 237:f3da66175598 | 3854 | if(I2C_IsAcknowledgeFailed(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3855 | { |
mbed_official | 237:f3da66175598 | 3856 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 3857 | } |
mbed_official | 237:f3da66175598 | 3858 | |
mbed_official | 237:f3da66175598 | 3859 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 3860 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 3861 | { |
mbed_official | 237:f3da66175598 | 3862 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 3863 | { |
mbed_official | 237:f3da66175598 | 3864 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3865 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3866 | |
mbed_official | 237:f3da66175598 | 3867 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3868 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3869 | |
mbed_official | 237:f3da66175598 | 3870 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3871 | } |
mbed_official | 237:f3da66175598 | 3872 | } |
mbed_official | 237:f3da66175598 | 3873 | } |
mbed_official | 237:f3da66175598 | 3874 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 3875 | } |
mbed_official | 237:f3da66175598 | 3876 | |
mbed_official | 237:f3da66175598 | 3877 | /** |
mbed_official | 237:f3da66175598 | 3878 | * @brief This function handles I2C Communication Timeout for specific usage of STOP flag. |
mbed_official | 237:f3da66175598 | 3879 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 3880 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 3881 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 3882 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 3883 | */ |
mbed_official | 237:f3da66175598 | 3884 | static HAL_StatusTypeDef I2C_WaitOnSTOPFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 3885 | { |
mbed_official | 237:f3da66175598 | 3886 | uint32_t tickstart = 0x00; |
mbed_official | 237:f3da66175598 | 3887 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 3888 | |
mbed_official | 237:f3da66175598 | 3889 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET) |
mbed_official | 237:f3da66175598 | 3890 | { |
mbed_official | 237:f3da66175598 | 3891 | /* Check if a NACK is detected */ |
mbed_official | 237:f3da66175598 | 3892 | if(I2C_IsAcknowledgeFailed(hi2c, Timeout) != HAL_OK) |
mbed_official | 237:f3da66175598 | 3893 | { |
mbed_official | 237:f3da66175598 | 3894 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 3895 | } |
mbed_official | 237:f3da66175598 | 3896 | |
mbed_official | 237:f3da66175598 | 3897 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 3898 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 3899 | { |
mbed_official | 237:f3da66175598 | 3900 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3901 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3902 | |
mbed_official | 237:f3da66175598 | 3903 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3904 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3905 | |
mbed_official | 237:f3da66175598 | 3906 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3907 | } |
mbed_official | 237:f3da66175598 | 3908 | } |
mbed_official | 237:f3da66175598 | 3909 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 3910 | } |
mbed_official | 237:f3da66175598 | 3911 | |
mbed_official | 237:f3da66175598 | 3912 | /** |
mbed_official | 237:f3da66175598 | 3913 | * @brief This function handles I2C Communication Timeout for specific usage of RXNE flag. |
mbed_official | 237:f3da66175598 | 3914 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 3915 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 3916 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 3917 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 3918 | */ |
mbed_official | 237:f3da66175598 | 3919 | static HAL_StatusTypeDef I2C_WaitOnRXNEFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 3920 | { |
mbed_official | 237:f3da66175598 | 3921 | uint32_t tickstart = 0x00; |
mbed_official | 237:f3da66175598 | 3922 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 3923 | |
mbed_official | 237:f3da66175598 | 3924 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == RESET) |
mbed_official | 237:f3da66175598 | 3925 | { |
mbed_official | 237:f3da66175598 | 3926 | /* Check if a STOPF is detected */ |
mbed_official | 237:f3da66175598 | 3927 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 237:f3da66175598 | 3928 | { |
mbed_official | 237:f3da66175598 | 3929 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 3930 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 3931 | |
mbed_official | 237:f3da66175598 | 3932 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 3933 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 3934 | |
mbed_official | 237:f3da66175598 | 3935 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 237:f3da66175598 | 3936 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3937 | |
mbed_official | 237:f3da66175598 | 3938 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3939 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3940 | |
mbed_official | 237:f3da66175598 | 3941 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 3942 | } |
mbed_official | 237:f3da66175598 | 3943 | |
mbed_official | 237:f3da66175598 | 3944 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 3945 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 3946 | { |
mbed_official | 237:f3da66175598 | 3947 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3948 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3949 | |
mbed_official | 237:f3da66175598 | 3950 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3951 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3952 | |
mbed_official | 237:f3da66175598 | 3953 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3954 | } |
mbed_official | 237:f3da66175598 | 3955 | } |
mbed_official | 237:f3da66175598 | 3956 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 3957 | } |
mbed_official | 237:f3da66175598 | 3958 | |
mbed_official | 237:f3da66175598 | 3959 | /** |
mbed_official | 237:f3da66175598 | 3960 | * @brief This function handles Acknowledge failed detection during an I2C Communication. |
mbed_official | 237:f3da66175598 | 3961 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 237:f3da66175598 | 3962 | * the configuration information for the specified I2C. |
mbed_official | 237:f3da66175598 | 3963 | * @param Timeout: Timeout duration |
mbed_official | 237:f3da66175598 | 3964 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 3965 | */ |
mbed_official | 237:f3da66175598 | 3966 | static HAL_StatusTypeDef I2C_IsAcknowledgeFailed(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 237:f3da66175598 | 3967 | { |
mbed_official | 237:f3da66175598 | 3968 | uint32_t tickstart = 0x00; |
mbed_official | 237:f3da66175598 | 3969 | tickstart = HAL_GetTick(); |
mbed_official | 237:f3da66175598 | 3970 | |
mbed_official | 237:f3da66175598 | 3971 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 237:f3da66175598 | 3972 | { |
mbed_official | 237:f3da66175598 | 3973 | /* Generate stop if necessary only in case of I2C peripheral in MASTER mode */ |
mbed_official | 237:f3da66175598 | 3974 | if((hi2c->State == HAL_I2C_STATE_MASTER_BUSY_TX) || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX) |
mbed_official | 237:f3da66175598 | 3975 | || (hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX)) |
mbed_official | 237:f3da66175598 | 3976 | { |
mbed_official | 237:f3da66175598 | 3977 | /* No need to generate the STOP condition if AUTOEND mode is enabled */ |
mbed_official | 237:f3da66175598 | 3978 | /* Generate the STOP condition only in case of SOFTEND mode is enabled */ |
mbed_official | 237:f3da66175598 | 3979 | if((hi2c->Instance->CR2 & I2C_AUTOEND_MODE) != I2C_AUTOEND_MODE) |
mbed_official | 237:f3da66175598 | 3980 | { |
mbed_official | 237:f3da66175598 | 3981 | /* Generate Stop */ |
mbed_official | 237:f3da66175598 | 3982 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 237:f3da66175598 | 3983 | } |
mbed_official | 237:f3da66175598 | 3984 | } |
mbed_official | 237:f3da66175598 | 3985 | |
mbed_official | 237:f3da66175598 | 3986 | /* Wait until STOP Flag is reset */ |
mbed_official | 237:f3da66175598 | 3987 | /* AutoEnd should be initiate after AF */ |
mbed_official | 237:f3da66175598 | 3988 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == RESET) |
mbed_official | 237:f3da66175598 | 3989 | { |
mbed_official | 237:f3da66175598 | 3990 | /* Check for the Timeout */ |
mbed_official | 237:f3da66175598 | 3991 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 237:f3da66175598 | 3992 | { |
mbed_official | 237:f3da66175598 | 3993 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 237:f3da66175598 | 3994 | { |
mbed_official | 237:f3da66175598 | 3995 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 3996 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 3997 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 3998 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 3999 | } |
mbed_official | 237:f3da66175598 | 4000 | } |
mbed_official | 237:f3da66175598 | 4001 | } |
mbed_official | 237:f3da66175598 | 4002 | |
mbed_official | 237:f3da66175598 | 4003 | /* Clear NACKF Flag */ |
mbed_official | 237:f3da66175598 | 4004 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 237:f3da66175598 | 4005 | |
mbed_official | 237:f3da66175598 | 4006 | /* Clear STOP Flag */ |
mbed_official | 237:f3da66175598 | 4007 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 237:f3da66175598 | 4008 | |
mbed_official | 237:f3da66175598 | 4009 | /* Clear Configuration Register 2 */ |
mbed_official | 237:f3da66175598 | 4010 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 237:f3da66175598 | 4011 | |
mbed_official | 237:f3da66175598 | 4012 | hi2c->ErrorCode = HAL_I2C_ERROR_AF; |
mbed_official | 237:f3da66175598 | 4013 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 237:f3da66175598 | 4014 | |
mbed_official | 237:f3da66175598 | 4015 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 4016 | __HAL_UNLOCK(hi2c); |
mbed_official | 237:f3da66175598 | 4017 | |
mbed_official | 237:f3da66175598 | 4018 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 4019 | } |
mbed_official | 237:f3da66175598 | 4020 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 4021 | } |
mbed_official | 237:f3da66175598 | 4022 | |
mbed_official | 237:f3da66175598 | 4023 | /** |
mbed_official | 237:f3da66175598 | 4024 | * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). |
mbed_official | 237:f3da66175598 | 4025 | * @param hi2c: I2C handle. |
mbed_official | 237:f3da66175598 | 4026 | * @param DevAddress: specifies the slave address to be programmed. |
mbed_official | 237:f3da66175598 | 4027 | * @param Size: specifies the number of bytes to be programmed. |
mbed_official | 237:f3da66175598 | 4028 | * This parameter must be a value between 0 and 255. |
mbed_official | 237:f3da66175598 | 4029 | * @param Mode: new state of the I2C START condition generation. |
mbed_official | 237:f3da66175598 | 4030 | * This parameter can be one of the following values: |
mbed_official | 237:f3da66175598 | 4031 | * @arg I2C_RELOAD_MODE: Enable Reload mode . |
mbed_official | 237:f3da66175598 | 4032 | * @arg I2C_AUTOEND_MODE: Enable Automatic end mode. |
mbed_official | 237:f3da66175598 | 4033 | * @arg I2C_SOFTEND_MODE: Enable Software end mode. |
mbed_official | 237:f3da66175598 | 4034 | * @param Request: new state of the I2C START condition generation. |
mbed_official | 237:f3da66175598 | 4035 | * This parameter can be one of the following values: |
mbed_official | 237:f3da66175598 | 4036 | * @arg I2C_NO_STARTSTOP: Don't Generate stop and start condition. |
mbed_official | 237:f3da66175598 | 4037 | * @arg I2C_GENERATE_STOP: Generate stop condition (Size should be set to 0). |
mbed_official | 237:f3da66175598 | 4038 | * @arg I2C_GENERATE_START_READ: Generate Restart for read request. |
mbed_official | 237:f3da66175598 | 4039 | * @arg I2C_GENERATE_START_WRITE: Generate Restart for write request. |
mbed_official | 237:f3da66175598 | 4040 | * @retval None |
mbed_official | 237:f3da66175598 | 4041 | */ |
mbed_official | 237:f3da66175598 | 4042 | static void I2C_TransferConfig(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request) |
mbed_official | 237:f3da66175598 | 4043 | { |
mbed_official | 237:f3da66175598 | 4044 | uint32_t tmpreg = 0; |
mbed_official | 237:f3da66175598 | 4045 | |
mbed_official | 237:f3da66175598 | 4046 | /* Check the parameters */ |
mbed_official | 237:f3da66175598 | 4047 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 237:f3da66175598 | 4048 | assert_param(IS_TRANSFER_MODE(Mode)); |
mbed_official | 237:f3da66175598 | 4049 | assert_param(IS_TRANSFER_REQUEST(Request)); |
mbed_official | 237:f3da66175598 | 4050 | |
mbed_official | 237:f3da66175598 | 4051 | /* Get the CR2 register value */ |
mbed_official | 237:f3da66175598 | 4052 | tmpreg = hi2c->Instance->CR2; |
mbed_official | 237:f3da66175598 | 4053 | |
mbed_official | 237:f3da66175598 | 4054 | /* clear tmpreg specific bits */ |
mbed_official | 237:f3da66175598 | 4055 | 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 | 237:f3da66175598 | 4056 | |
mbed_official | 237:f3da66175598 | 4057 | /* update tmpreg */ |
mbed_official | 237:f3da66175598 | 4058 | tmpreg |= (uint32_t)(((uint32_t)DevAddress & I2C_CR2_SADD) | (((uint32_t)Size << 16 ) & I2C_CR2_NBYTES) | \ |
mbed_official | 237:f3da66175598 | 4059 | (uint32_t)Mode | (uint32_t)Request); |
mbed_official | 237:f3da66175598 | 4060 | |
mbed_official | 237:f3da66175598 | 4061 | /* update CR2 register */ |
mbed_official | 237:f3da66175598 | 4062 | hi2c->Instance->CR2 = tmpreg; |
mbed_official | 237:f3da66175598 | 4063 | } |
mbed_official | 237:f3da66175598 | 4064 | |
mbed_official | 237:f3da66175598 | 4065 | /** |
mbed_official | 237:f3da66175598 | 4066 | * @} |
mbed_official | 237:f3da66175598 | 4067 | */ |
mbed_official | 237:f3da66175598 | 4068 | |
mbed_official | 237:f3da66175598 | 4069 | /** |
mbed_official | 237:f3da66175598 | 4070 | * @} |
mbed_official | 237:f3da66175598 | 4071 | */ |
mbed_official | 237:f3da66175598 | 4072 | |
mbed_official | 237:f3da66175598 | 4073 | #endif /* HAL_I2C_MODULE_ENABLED */ |
mbed_official | 237:f3da66175598 | 4074 | /** |
mbed_official | 237:f3da66175598 | 4075 | * @} |
mbed_official | 237:f3da66175598 | 4076 | */ |
mbed_official | 237:f3da66175598 | 4077 | |
mbed_official | 237:f3da66175598 | 4078 | /** |
mbed_official | 237:f3da66175598 | 4079 | * @} |
mbed_official | 237:f3da66175598 | 4080 | */ |
mbed_official | 237:f3da66175598 | 4081 | |
mbed_official | 237:f3da66175598 | 4082 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |