mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_i2c.c@181:a4cbdfbbd2f4, 2014-05-07 (annotated)
- Committer:
- mbed_official
- Date:
- Wed May 07 13:15:08 2014 +0100
- Revision:
- 181:a4cbdfbbd2f4
Synchronized with git revision 7751e759576c6fd68deccb81ea82bac19ed41745
Full URL: https://github.com/mbedmicro/mbed/commit/7751e759576c6fd68deccb81ea82bac19ed41745/
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 181:a4cbdfbbd2f4 | 1 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2 | ****************************************************************************** |
mbed_official | 181:a4cbdfbbd2f4 | 3 | * @file stm32l0xx_hal_i2c.c |
mbed_official | 181:a4cbdfbbd2f4 | 4 | * @author MCD Application Team |
mbed_official | 181:a4cbdfbbd2f4 | 5 | * @version V1.0.0 |
mbed_official | 181:a4cbdfbbd2f4 | 6 | * @date 22-April-2014 |
mbed_official | 181:a4cbdfbbd2f4 | 7 | * @brief I2C HAL module driver. |
mbed_official | 181:a4cbdfbbd2f4 | 8 | * |
mbed_official | 181:a4cbdfbbd2f4 | 9 | * This file provides firmware functions to manage the following |
mbed_official | 181:a4cbdfbbd2f4 | 10 | * functionalities of the Inter Integrated Circuit (I2C) peripheral: |
mbed_official | 181:a4cbdfbbd2f4 | 11 | * + Initialization and de-initialization functions |
mbed_official | 181:a4cbdfbbd2f4 | 12 | * + IO operation functions |
mbed_official | 181:a4cbdfbbd2f4 | 13 | * + Peripheral State functions |
mbed_official | 181:a4cbdfbbd2f4 | 14 | * |
mbed_official | 181:a4cbdfbbd2f4 | 15 | @verbatim |
mbed_official | 181:a4cbdfbbd2f4 | 16 | ============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 17 | ##### How to use this driver ##### |
mbed_official | 181:a4cbdfbbd2f4 | 18 | ============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 19 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 20 | The I2C HAL driver can be used as follows: |
mbed_official | 181:a4cbdfbbd2f4 | 21 | |
mbed_official | 181:a4cbdfbbd2f4 | 22 | (#) Declare a I2C_HandleTypeDef handle structure, for example: |
mbed_official | 181:a4cbdfbbd2f4 | 23 | I2C_HandleTypeDef hi2c; |
mbed_official | 181:a4cbdfbbd2f4 | 24 | |
mbed_official | 181:a4cbdfbbd2f4 | 25 | (#)Initialize the I2C low level resources by implement the HAL_I2C_MspInit ()API: |
mbed_official | 181:a4cbdfbbd2f4 | 26 | (##) Enable the I2Cx interface clock |
mbed_official | 181:a4cbdfbbd2f4 | 27 | (##) I2C pins configuration |
mbed_official | 181:a4cbdfbbd2f4 | 28 | (+++) Enable the clock for the I2C GPIOs |
mbed_official | 181:a4cbdfbbd2f4 | 29 | (+++) Configure I2C pins as alternate function open-drain |
mbed_official | 181:a4cbdfbbd2f4 | 30 | (##) NVIC configuration if you need to use interrupt process |
mbed_official | 181:a4cbdfbbd2f4 | 31 | (+++) Configure the I2Cx interrupt priority |
mbed_official | 181:a4cbdfbbd2f4 | 32 | (+++) Enable the NVIC I2C IRQ Channel |
mbed_official | 181:a4cbdfbbd2f4 | 33 | (##) DMA Configuration if you need to use DMA process |
mbed_official | 181:a4cbdfbbd2f4 | 34 | (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive stream |
mbed_official | 181:a4cbdfbbd2f4 | 35 | (+++) Enable the DMAx interface clock using |
mbed_official | 181:a4cbdfbbd2f4 | 36 | (+++) Configure the DMA handle parameters |
mbed_official | 181:a4cbdfbbd2f4 | 37 | (+++) Configure the DMA Tx or Rx Stream |
mbed_official | 181:a4cbdfbbd2f4 | 38 | (+++) Associate the initilalized DMA handle to the hi2c DMA Tx or Rx handle |
mbed_official | 181:a4cbdfbbd2f4 | 39 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx or Rx Stream |
mbed_official | 181:a4cbdfbbd2f4 | 40 | |
mbed_official | 181:a4cbdfbbd2f4 | 41 | (#) Configure the Communication Clock Timing, Own Address1, Master Adressing Mode, Dual Addressing mode, |
mbed_official | 181:a4cbdfbbd2f4 | 42 | Own Address2, Own Address2 Mask, General call and Nostretch mode in the hi2c Init structure. |
mbed_official | 181:a4cbdfbbd2f4 | 43 | |
mbed_official | 181:a4cbdfbbd2f4 | 44 | (#) Initialize the I2C registers by calling the HAL_I2C_Init() API: |
mbed_official | 181:a4cbdfbbd2f4 | 45 | (+++) These API's configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
mbed_official | 181:a4cbdfbbd2f4 | 46 | by calling the customed HAL_I2C_MspInit(&hi2c) API. |
mbed_official | 181:a4cbdfbbd2f4 | 47 | |
mbed_official | 181:a4cbdfbbd2f4 | 48 | (#) To check if target device is ready for communication, use the function HAL_I2C_IsDeviceReady() |
mbed_official | 181:a4cbdfbbd2f4 | 49 | |
mbed_official | 181:a4cbdfbbd2f4 | 50 | (#) For I2C IO and IO MEM operations, three mode of operations are available within this driver : |
mbed_official | 181:a4cbdfbbd2f4 | 51 | |
mbed_official | 181:a4cbdfbbd2f4 | 52 | *** Polling mode IO operation *** |
mbed_official | 181:a4cbdfbbd2f4 | 53 | ================================= |
mbed_official | 181:a4cbdfbbd2f4 | 54 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 55 | (+) Transmit in master mode an amount of data in blocking mode using HAL_I2C_Master_Transmit() |
mbed_official | 181:a4cbdfbbd2f4 | 56 | (+) Receive in master mode an amount of data in blocking mode using HAL_I2C_Master_Receive() |
mbed_official | 181:a4cbdfbbd2f4 | 57 | (+) Transmit in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Transmit() |
mbed_official | 181:a4cbdfbbd2f4 | 58 | (+) Receive in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Receive() |
mbed_official | 181:a4cbdfbbd2f4 | 59 | |
mbed_official | 181:a4cbdfbbd2f4 | 60 | *** Polling mode IO MEM operation *** |
mbed_official | 181:a4cbdfbbd2f4 | 61 | ===================================== |
mbed_official | 181:a4cbdfbbd2f4 | 62 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 63 | (+) Write an amount of data in blocking mode to a specific memory address using HAL_I2C_Mem_Write() |
mbed_official | 181:a4cbdfbbd2f4 | 64 | (+) Read an amount of data in blocking mode from a specific memory address using HAL_I2C_Mem_Read() |
mbed_official | 181:a4cbdfbbd2f4 | 65 | |
mbed_official | 181:a4cbdfbbd2f4 | 66 | |
mbed_official | 181:a4cbdfbbd2f4 | 67 | *** Interrupt mode IO operation *** |
mbed_official | 181:a4cbdfbbd2f4 | 68 | =================================== |
mbed_official | 181:a4cbdfbbd2f4 | 69 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 70 | (+) Transmit in master mode an amount of data in non blocking mode using HAL_I2C_Master_Transmit_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 71 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 72 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 73 | (+) Receive in master mode an amount of data in non blocking mode using HAL_I2C_Master_Receive_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 74 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 75 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 76 | (+) Transmit in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Transmit_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 77 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 78 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 79 | (+) Receive in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Receive_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 80 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 81 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 82 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 83 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 181:a4cbdfbbd2f4 | 84 | |
mbed_official | 181:a4cbdfbbd2f4 | 85 | *** Interrupt mode IO MEM operation *** |
mbed_official | 181:a4cbdfbbd2f4 | 86 | ======================================= |
mbed_official | 181:a4cbdfbbd2f4 | 87 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 88 | (+) Write an amount of data in no-blocking mode with Interrupt to a specific memory address using |
mbed_official | 181:a4cbdfbbd2f4 | 89 | HAL_I2C_Mem_Write_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 90 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 91 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 92 | (+) Read an amount of data in no-blocking mode with Interrupt from a specific memory address using |
mbed_official | 181:a4cbdfbbd2f4 | 93 | HAL_I2C_Mem_Read_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 94 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 95 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 96 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 97 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 181:a4cbdfbbd2f4 | 98 | |
mbed_official | 181:a4cbdfbbd2f4 | 99 | *** DMA mode IO operation *** |
mbed_official | 181:a4cbdfbbd2f4 | 100 | ============================== |
mbed_official | 181:a4cbdfbbd2f4 | 101 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 102 | (+) Transmit in master mode an amount of data in non blocking mode (DMA) using |
mbed_official | 181:a4cbdfbbd2f4 | 103 | HAL_I2C_Master_Transmit_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 104 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 105 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 106 | (+) Receive in master mode an amount of data in non blocking mode (DMA) using |
mbed_official | 181:a4cbdfbbd2f4 | 107 | HAL_I2C_Master_Receive_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 108 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 109 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 110 | (+) Transmit in slave mode an amount of data in non blocking mode (DMA) using |
mbed_official | 181:a4cbdfbbd2f4 | 111 | HAL_I2C_Slave_Transmit_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 112 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 113 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 114 | (+) Receive in slave mode an amount of data in non blocking mode (DMA) using |
mbed_official | 181:a4cbdfbbd2f4 | 115 | HAL_I2C_Slave_Receive_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 116 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 117 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 118 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 119 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 181:a4cbdfbbd2f4 | 120 | |
mbed_official | 181:a4cbdfbbd2f4 | 121 | *** DMA mode IO MEM operation *** |
mbed_official | 181:a4cbdfbbd2f4 | 122 | ================================= |
mbed_official | 181:a4cbdfbbd2f4 | 123 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 124 | (+) Write an amount of data in no-blocking mode with DMA to a specific memory address using |
mbed_official | 181:a4cbdfbbd2f4 | 125 | HAL_I2C_Mem_Write_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 126 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 127 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 128 | (+) Read an amount of data in no-blocking mode with DMA from a specific memory address using |
mbed_official | 181:a4cbdfbbd2f4 | 129 | HAL_I2C_Mem_Read_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 130 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 131 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
mbed_official | 181:a4cbdfbbd2f4 | 132 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
mbed_official | 181:a4cbdfbbd2f4 | 133 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
mbed_official | 181:a4cbdfbbd2f4 | 134 | |
mbed_official | 181:a4cbdfbbd2f4 | 135 | |
mbed_official | 181:a4cbdfbbd2f4 | 136 | *** I2C HAL driver macros list *** |
mbed_official | 181:a4cbdfbbd2f4 | 137 | ================================== |
mbed_official | 181:a4cbdfbbd2f4 | 138 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 139 | Below the list of most used macros in I2C HAL driver. |
mbed_official | 181:a4cbdfbbd2f4 | 140 | |
mbed_official | 181:a4cbdfbbd2f4 | 141 | (+) __HAL_I2C_ENABLE: Enable the I2C peripheral |
mbed_official | 181:a4cbdfbbd2f4 | 142 | (+) __HAL_I2C_DISABLE: Disable the I2C peripheral |
mbed_official | 181:a4cbdfbbd2f4 | 143 | (+) __HAL_I2C_GET_FLAG : Checks whether the specified I2C flag is set or not |
mbed_official | 181:a4cbdfbbd2f4 | 144 | (+) __HAL_I2C_CLEAR_FLAG : Clears the specified I2C pending flag |
mbed_official | 181:a4cbdfbbd2f4 | 145 | (+) __HAL_I2C_ENABLE_IT: Enables the specified I2C interrupt |
mbed_official | 181:a4cbdfbbd2f4 | 146 | (+) __HAL_I2C_DISABLE_IT: Disables the specified I2C interrupt |
mbed_official | 181:a4cbdfbbd2f4 | 147 | |
mbed_official | 181:a4cbdfbbd2f4 | 148 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 149 | (@) You can refer to the I2C HAL driver header file for more useful macros |
mbed_official | 181:a4cbdfbbd2f4 | 150 | |
mbed_official | 181:a4cbdfbbd2f4 | 151 | @endverbatim |
mbed_official | 181:a4cbdfbbd2f4 | 152 | ****************************************************************************** |
mbed_official | 181:a4cbdfbbd2f4 | 153 | * @attention |
mbed_official | 181:a4cbdfbbd2f4 | 154 | * |
mbed_official | 181:a4cbdfbbd2f4 | 155 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 181:a4cbdfbbd2f4 | 156 | * |
mbed_official | 181:a4cbdfbbd2f4 | 157 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 181:a4cbdfbbd2f4 | 158 | * are permitted provided that the following conditions are met: |
mbed_official | 181:a4cbdfbbd2f4 | 159 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 181:a4cbdfbbd2f4 | 160 | * this list of conditions and the following disclaimer. |
mbed_official | 181:a4cbdfbbd2f4 | 161 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 181:a4cbdfbbd2f4 | 162 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 181:a4cbdfbbd2f4 | 163 | * and/or other materials provided with the distribution. |
mbed_official | 181:a4cbdfbbd2f4 | 164 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 181:a4cbdfbbd2f4 | 165 | * may be used to endorse or promote products derived from this software |
mbed_official | 181:a4cbdfbbd2f4 | 166 | * without specific prior written permission. |
mbed_official | 181:a4cbdfbbd2f4 | 167 | * |
mbed_official | 181:a4cbdfbbd2f4 | 168 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 181:a4cbdfbbd2f4 | 169 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 181:a4cbdfbbd2f4 | 170 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 181:a4cbdfbbd2f4 | 171 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 181:a4cbdfbbd2f4 | 172 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 181:a4cbdfbbd2f4 | 173 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 181:a4cbdfbbd2f4 | 174 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 181:a4cbdfbbd2f4 | 175 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 181:a4cbdfbbd2f4 | 176 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 181:a4cbdfbbd2f4 | 177 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 181:a4cbdfbbd2f4 | 178 | * |
mbed_official | 181:a4cbdfbbd2f4 | 179 | ****************************************************************************** |
mbed_official | 181:a4cbdfbbd2f4 | 180 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 181 | |
mbed_official | 181:a4cbdfbbd2f4 | 182 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 183 | #include "stm32l0xx_hal.h" |
mbed_official | 181:a4cbdfbbd2f4 | 184 | |
mbed_official | 181:a4cbdfbbd2f4 | 185 | /** @addtogroup STM32L0xx_HAL_Driver |
mbed_official | 181:a4cbdfbbd2f4 | 186 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 187 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 188 | |
mbed_official | 181:a4cbdfbbd2f4 | 189 | /** @defgroup I2C |
mbed_official | 181:a4cbdfbbd2f4 | 190 | * @brief I2C HAL module driver |
mbed_official | 181:a4cbdfbbd2f4 | 191 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 192 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 193 | |
mbed_official | 181:a4cbdfbbd2f4 | 194 | #ifdef HAL_I2C_MODULE_ENABLED |
mbed_official | 181:a4cbdfbbd2f4 | 195 | |
mbed_official | 181:a4cbdfbbd2f4 | 196 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 197 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 198 | #define TIMING_CLEAR_MASK ((uint32_t)0xF0FFFFFF) /*<! I2C TIMING clear register Mask */ |
mbed_official | 181:a4cbdfbbd2f4 | 199 | #define I2C_TIMEOUT_ADDR ((uint32_t)10000) /* 10 s */ |
mbed_official | 181:a4cbdfbbd2f4 | 200 | #define I2C_TIMEOUT_BUSY ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 201 | #define I2C_TIMEOUT_DIR ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 202 | #define I2C_TIMEOUT_RXNE ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 203 | #define I2C_TIMEOUT_STOPF ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 204 | #define I2C_TIMEOUT_TC ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 205 | #define I2C_TIMEOUT_TCR ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 206 | #define I2C_TIMEOUT_TXIS ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 207 | #define I2C_TIMEOUT_FLAG ((uint32_t)25) /* 25 ms */ |
mbed_official | 181:a4cbdfbbd2f4 | 208 | |
mbed_official | 181:a4cbdfbbd2f4 | 209 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 210 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 211 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 212 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 213 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 214 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 215 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 216 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 217 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 218 | static void I2C_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 181:a4cbdfbbd2f4 | 219 | |
mbed_official | 181:a4cbdfbbd2f4 | 220 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
mbed_official | 181:a4cbdfbbd2f4 | 221 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
mbed_official | 181:a4cbdfbbd2f4 | 222 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 181:a4cbdfbbd2f4 | 223 | static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout); |
mbed_official | 181:a4cbdfbbd2f4 | 224 | |
mbed_official | 181:a4cbdfbbd2f4 | 225 | static HAL_StatusTypeDef I2C_MasterTransmit_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 226 | static HAL_StatusTypeDef I2C_MasterReceive_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 227 | |
mbed_official | 181:a4cbdfbbd2f4 | 228 | static HAL_StatusTypeDef I2C_SlaveTransmit_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 229 | static HAL_StatusTypeDef I2C_SlaveReceive_ISR(I2C_HandleTypeDef *hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 230 | |
mbed_official | 181:a4cbdfbbd2f4 | 231 | static void I2C_TransferConfig(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request); |
mbed_official | 181:a4cbdfbbd2f4 | 232 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 233 | |
mbed_official | 181:a4cbdfbbd2f4 | 234 | /** @defgroup I2C_Private_Functions |
mbed_official | 181:a4cbdfbbd2f4 | 235 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 236 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 237 | |
mbed_official | 181:a4cbdfbbd2f4 | 238 | /** @defgroup HAL_I2C_Group1 Initialization/de-initialization functions |
mbed_official | 181:a4cbdfbbd2f4 | 239 | * @brief Initialization and Configuration functions |
mbed_official | 181:a4cbdfbbd2f4 | 240 | * |
mbed_official | 181:a4cbdfbbd2f4 | 241 | @verbatim |
mbed_official | 181:a4cbdfbbd2f4 | 242 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 243 | ##### Initialization/de-initialization functions ##### |
mbed_official | 181:a4cbdfbbd2f4 | 244 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 245 | [..] This subsection provides a set of functions allowing to initialize and |
mbed_official | 181:a4cbdfbbd2f4 | 246 | de-initialiaze the I2Cx peripheral: |
mbed_official | 181:a4cbdfbbd2f4 | 247 | |
mbed_official | 181:a4cbdfbbd2f4 | 248 | (+) User must Implement HAL_I2C_MspInit() function in which he configures |
mbed_official | 181:a4cbdfbbd2f4 | 249 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). |
mbed_official | 181:a4cbdfbbd2f4 | 250 | |
mbed_official | 181:a4cbdfbbd2f4 | 251 | (+) Call the function HAL_I2C_Init() to configure the selected device with |
mbed_official | 181:a4cbdfbbd2f4 | 252 | the selected configuration: |
mbed_official | 181:a4cbdfbbd2f4 | 253 | (++) Clock Timing |
mbed_official | 181:a4cbdfbbd2f4 | 254 | (++) Own Address 1 |
mbed_official | 181:a4cbdfbbd2f4 | 255 | (++) Addressing mode (Master, Slave) |
mbed_official | 181:a4cbdfbbd2f4 | 256 | (++) Dual Addressing mode |
mbed_official | 181:a4cbdfbbd2f4 | 257 | (++) Own Address 2 |
mbed_official | 181:a4cbdfbbd2f4 | 258 | (++) Own Address 2 Mask |
mbed_official | 181:a4cbdfbbd2f4 | 259 | (++) General call mode |
mbed_official | 181:a4cbdfbbd2f4 | 260 | (++) Nostretch mode |
mbed_official | 181:a4cbdfbbd2f4 | 261 | |
mbed_official | 181:a4cbdfbbd2f4 | 262 | (+) Call the function HAL_I2C_DeInit() to restore the default configuration |
mbed_official | 181:a4cbdfbbd2f4 | 263 | of the selected I2Cx periperal. |
mbed_official | 181:a4cbdfbbd2f4 | 264 | |
mbed_official | 181:a4cbdfbbd2f4 | 265 | @endverbatim |
mbed_official | 181:a4cbdfbbd2f4 | 266 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 267 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 268 | |
mbed_official | 181:a4cbdfbbd2f4 | 269 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 270 | * @brief Initializes the I2C according to the specified parameters |
mbed_official | 181:a4cbdfbbd2f4 | 271 | * in the I2C_InitTypeDef and create the associated handle. |
mbed_official | 181:a4cbdfbbd2f4 | 272 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 273 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 274 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 275 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 276 | HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 277 | { |
mbed_official | 181:a4cbdfbbd2f4 | 278 | /* Check the I2C handle allocation */ |
mbed_official | 181:a4cbdfbbd2f4 | 279 | if(hi2c == NULL) |
mbed_official | 181:a4cbdfbbd2f4 | 280 | { |
mbed_official | 181:a4cbdfbbd2f4 | 281 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 282 | } |
mbed_official | 181:a4cbdfbbd2f4 | 283 | |
mbed_official | 181:a4cbdfbbd2f4 | 284 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 285 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 181:a4cbdfbbd2f4 | 286 | assert_param(IS_I2C_OWN_ADDRESS1(hi2c->Init.OwnAddress1)); |
mbed_official | 181:a4cbdfbbd2f4 | 287 | assert_param(IS_I2C_ADDRESSING_MODE(hi2c->Init.AddressingMode)); |
mbed_official | 181:a4cbdfbbd2f4 | 288 | assert_param(IS_I2C_DUAL_ADDRESS(hi2c->Init.DualAddressMode)); |
mbed_official | 181:a4cbdfbbd2f4 | 289 | assert_param(IS_I2C_OWN_ADDRESS2(hi2c->Init.OwnAddress2)); |
mbed_official | 181:a4cbdfbbd2f4 | 290 | assert_param(IS_I2C_OWN_ADDRESS2_MASK(hi2c->Init.OwnAddress2Masks)); |
mbed_official | 181:a4cbdfbbd2f4 | 291 | assert_param(IS_I2C_GENERAL_CALL(hi2c->Init.GeneralCallMode)); |
mbed_official | 181:a4cbdfbbd2f4 | 292 | assert_param(IS_I2C_NO_STRETCH(hi2c->Init.NoStretchMode)); |
mbed_official | 181:a4cbdfbbd2f4 | 293 | |
mbed_official | 181:a4cbdfbbd2f4 | 294 | if(hi2c->State == HAL_I2C_STATE_RESET) |
mbed_official | 181:a4cbdfbbd2f4 | 295 | { |
mbed_official | 181:a4cbdfbbd2f4 | 296 | /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */ |
mbed_official | 181:a4cbdfbbd2f4 | 297 | HAL_I2C_MspInit(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 298 | } |
mbed_official | 181:a4cbdfbbd2f4 | 299 | |
mbed_official | 181:a4cbdfbbd2f4 | 300 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 301 | |
mbed_official | 181:a4cbdfbbd2f4 | 302 | /* Disable the selected I2C peripheral */ |
mbed_official | 181:a4cbdfbbd2f4 | 303 | __HAL_I2C_DISABLE(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 304 | |
mbed_official | 181:a4cbdfbbd2f4 | 305 | /*---------------------------- I2Cx TIMINGR Configuration ------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 306 | /* Configure I2Cx: Frequency range */ |
mbed_official | 181:a4cbdfbbd2f4 | 307 | hi2c->Instance->TIMINGR = hi2c->Init.Timing & TIMING_CLEAR_MASK; |
mbed_official | 181:a4cbdfbbd2f4 | 308 | |
mbed_official | 181:a4cbdfbbd2f4 | 309 | /*---------------------------- I2Cx OAR1 Configuration ---------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 310 | /* Configure I2Cx: Own Address1 and ack own address1 mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 311 | hi2c->Instance->OAR1 &= ~I2C_OAR1_OA1EN; |
mbed_official | 181:a4cbdfbbd2f4 | 312 | if(hi2c->Init.OwnAddress1 != 0) |
mbed_official | 181:a4cbdfbbd2f4 | 313 | { |
mbed_official | 181:a4cbdfbbd2f4 | 314 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 315 | { |
mbed_official | 181:a4cbdfbbd2f4 | 316 | hi2c->Instance->OAR1 = (I2C_OAR1_OA1EN | hi2c->Init.OwnAddress1); |
mbed_official | 181:a4cbdfbbd2f4 | 317 | } |
mbed_official | 181:a4cbdfbbd2f4 | 318 | else /* I2C_ADDRESSINGMODE_10BIT */ |
mbed_official | 181:a4cbdfbbd2f4 | 319 | { |
mbed_official | 181:a4cbdfbbd2f4 | 320 | hi2c->Instance->OAR1 = (I2C_OAR1_OA1EN | I2C_OAR1_OA1MODE | hi2c->Init.OwnAddress1); |
mbed_official | 181:a4cbdfbbd2f4 | 321 | } |
mbed_official | 181:a4cbdfbbd2f4 | 322 | } |
mbed_official | 181:a4cbdfbbd2f4 | 323 | |
mbed_official | 181:a4cbdfbbd2f4 | 324 | /*---------------------------- I2Cx CR2 Configuration ----------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 325 | /* Configure I2Cx: Addressing Master mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 326 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 327 | { |
mbed_official | 181:a4cbdfbbd2f4 | 328 | hi2c->Instance->CR2 = (I2C_CR2_ADD10); |
mbed_official | 181:a4cbdfbbd2f4 | 329 | } |
mbed_official | 181:a4cbdfbbd2f4 | 330 | /* Enable the AUTOEND by default, and enable NACK (should be disable only during Slave process */ |
mbed_official | 181:a4cbdfbbd2f4 | 331 | hi2c->Instance->CR2 |= (I2C_CR2_AUTOEND | I2C_CR2_NACK); |
mbed_official | 181:a4cbdfbbd2f4 | 332 | |
mbed_official | 181:a4cbdfbbd2f4 | 333 | /*---------------------------- I2Cx OAR2 Configuration ---------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 334 | /* Configure I2Cx: Dual mode and Own Address2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 335 | hi2c->Instance->OAR2 = (hi2c->Init.DualAddressMode | hi2c->Init.OwnAddress2 | (hi2c->Init.OwnAddress2Masks << 8)); |
mbed_official | 181:a4cbdfbbd2f4 | 336 | |
mbed_official | 181:a4cbdfbbd2f4 | 337 | /*---------------------------- I2Cx CR1 Configuration ----------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 338 | /* Configure I2Cx: Generalcall and NoStretch mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 339 | hi2c->Instance->CR1 = (hi2c->Init.GeneralCallMode | hi2c->Init.NoStretchMode); |
mbed_official | 181:a4cbdfbbd2f4 | 340 | |
mbed_official | 181:a4cbdfbbd2f4 | 341 | /* Enable the selected I2C peripheral */ |
mbed_official | 181:a4cbdfbbd2f4 | 342 | __HAL_I2C_ENABLE(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 343 | |
mbed_official | 181:a4cbdfbbd2f4 | 344 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 345 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 346 | |
mbed_official | 181:a4cbdfbbd2f4 | 347 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 348 | } |
mbed_official | 181:a4cbdfbbd2f4 | 349 | |
mbed_official | 181:a4cbdfbbd2f4 | 350 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 351 | * @brief DeInitializes the I2C peripheral. |
mbed_official | 181:a4cbdfbbd2f4 | 352 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 353 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 354 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 355 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 356 | HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 357 | { |
mbed_official | 181:a4cbdfbbd2f4 | 358 | /* Check the I2C handle allocation */ |
mbed_official | 181:a4cbdfbbd2f4 | 359 | if(hi2c == NULL) |
mbed_official | 181:a4cbdfbbd2f4 | 360 | { |
mbed_official | 181:a4cbdfbbd2f4 | 361 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 362 | } |
mbed_official | 181:a4cbdfbbd2f4 | 363 | |
mbed_official | 181:a4cbdfbbd2f4 | 364 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 365 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 181:a4cbdfbbd2f4 | 366 | |
mbed_official | 181:a4cbdfbbd2f4 | 367 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 368 | |
mbed_official | 181:a4cbdfbbd2f4 | 369 | /* Disable the I2C Peripheral Clock */ |
mbed_official | 181:a4cbdfbbd2f4 | 370 | __HAL_I2C_DISABLE(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 371 | |
mbed_official | 181:a4cbdfbbd2f4 | 372 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ |
mbed_official | 181:a4cbdfbbd2f4 | 373 | HAL_I2C_MspDeInit(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 374 | |
mbed_official | 181:a4cbdfbbd2f4 | 375 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 376 | hi2c->State = HAL_I2C_STATE_RESET; |
mbed_official | 181:a4cbdfbbd2f4 | 377 | |
mbed_official | 181:a4cbdfbbd2f4 | 378 | /* Release Lock */ |
mbed_official | 181:a4cbdfbbd2f4 | 379 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 380 | |
mbed_official | 181:a4cbdfbbd2f4 | 381 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 382 | } |
mbed_official | 181:a4cbdfbbd2f4 | 383 | |
mbed_official | 181:a4cbdfbbd2f4 | 384 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 385 | * @brief I2C MSP Init. |
mbed_official | 181:a4cbdfbbd2f4 | 386 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 387 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 388 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 389 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 390 | __weak void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 391 | { |
mbed_official | 181:a4cbdfbbd2f4 | 392 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 393 | the HAL_I2C_MspInit could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 394 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 395 | } |
mbed_official | 181:a4cbdfbbd2f4 | 396 | |
mbed_official | 181:a4cbdfbbd2f4 | 397 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 398 | * @brief I2C MSP DeInit |
mbed_official | 181:a4cbdfbbd2f4 | 399 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 400 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 401 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 402 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 403 | __weak void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 404 | { |
mbed_official | 181:a4cbdfbbd2f4 | 405 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 406 | the HAL_I2C_MspDeInit could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 407 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 408 | } |
mbed_official | 181:a4cbdfbbd2f4 | 409 | |
mbed_official | 181:a4cbdfbbd2f4 | 410 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 411 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 412 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 413 | |
mbed_official | 181:a4cbdfbbd2f4 | 414 | /** @defgroup HAL_I2C_Group2 I/O operation functions |
mbed_official | 181:a4cbdfbbd2f4 | 415 | * @brief Data transfers functions |
mbed_official | 181:a4cbdfbbd2f4 | 416 | * |
mbed_official | 181:a4cbdfbbd2f4 | 417 | @verbatim |
mbed_official | 181:a4cbdfbbd2f4 | 418 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 419 | ##### IO operation functions ##### |
mbed_official | 181:a4cbdfbbd2f4 | 420 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 421 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 422 | This subsection provides a set of functions allowing to manage the I2C data |
mbed_official | 181:a4cbdfbbd2f4 | 423 | transfers. |
mbed_official | 181:a4cbdfbbd2f4 | 424 | |
mbed_official | 181:a4cbdfbbd2f4 | 425 | (#) There is two mode of transfer: |
mbed_official | 181:a4cbdfbbd2f4 | 426 | (++) Blocking mode : The communication is performed in the polling mode. |
mbed_official | 181:a4cbdfbbd2f4 | 427 | The status of all data processing is returned by the same function |
mbed_official | 181:a4cbdfbbd2f4 | 428 | after finishing transfer. |
mbed_official | 181:a4cbdfbbd2f4 | 429 | (++) No-Blocking mode : The communication is performed using Interrupts |
mbed_official | 181:a4cbdfbbd2f4 | 430 | or DMA. These functions return the status of the transfer startup. |
mbed_official | 181:a4cbdfbbd2f4 | 431 | The end of the data processing will be indicated through the |
mbed_official | 181:a4cbdfbbd2f4 | 432 | dedicated I2C IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 181:a4cbdfbbd2f4 | 433 | using DMA mode. |
mbed_official | 181:a4cbdfbbd2f4 | 434 | |
mbed_official | 181:a4cbdfbbd2f4 | 435 | (#) Blocking mode functions are : |
mbed_official | 181:a4cbdfbbd2f4 | 436 | (++) HAL_I2C_Master_Transmit() |
mbed_official | 181:a4cbdfbbd2f4 | 437 | (++) HAL_I2C_Master_Receive() |
mbed_official | 181:a4cbdfbbd2f4 | 438 | (++) HAL_I2C_Slave_Transmit() |
mbed_official | 181:a4cbdfbbd2f4 | 439 | (++) HAL_I2C_Slave_Receive() |
mbed_official | 181:a4cbdfbbd2f4 | 440 | (++) HAL_I2C_Mem_Write() |
mbed_official | 181:a4cbdfbbd2f4 | 441 | (++) HAL_I2C_Mem_Read() |
mbed_official | 181:a4cbdfbbd2f4 | 442 | (++) HAL_I2C_IsDeviceReady() |
mbed_official | 181:a4cbdfbbd2f4 | 443 | |
mbed_official | 181:a4cbdfbbd2f4 | 444 | (#) No-Blocking mode functions with Interrupt are : |
mbed_official | 181:a4cbdfbbd2f4 | 445 | (++) HAL_I2C_Master_Transmit_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 446 | (++) HAL_I2C_Master_Receive_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 447 | (++) HAL_I2C_Slave_Transmit_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 448 | (++) HAL_I2C_Slave_Receive_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 449 | (++) HAL_I2C_Mem_Write_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 450 | (++) HAL_I2C_Mem_Read_IT() |
mbed_official | 181:a4cbdfbbd2f4 | 451 | |
mbed_official | 181:a4cbdfbbd2f4 | 452 | (#) No-Blocking mode functions with DMA are : |
mbed_official | 181:a4cbdfbbd2f4 | 453 | (++) HAL_I2C_Master_Transmit_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 454 | (++) HAL_I2C_Master_Receive_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 455 | (++) HAL_I2C_Slave_Transmit_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 456 | (++) HAL_I2C_Slave_Receive_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 457 | (++) HAL_I2C_Mem_Write_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 458 | (++) HAL_I2C_Mem_Read_DMA() |
mbed_official | 181:a4cbdfbbd2f4 | 459 | |
mbed_official | 181:a4cbdfbbd2f4 | 460 | (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: |
mbed_official | 181:a4cbdfbbd2f4 | 461 | (++) HAL_I2C_MemTxCpltCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 462 | (++) HAL_I2C_MemRxCpltCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 463 | (++) HAL_I2C_MasterTxCpltCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 464 | (++) HAL_I2C_MasterRxCpltCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 465 | (++) HAL_I2C_SlaveTxCpltCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 466 | (++) HAL_I2C_SlaveRxCpltCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 467 | (++) HAL_I2C_ErrorCallback() |
mbed_official | 181:a4cbdfbbd2f4 | 468 | |
mbed_official | 181:a4cbdfbbd2f4 | 469 | @endverbatim |
mbed_official | 181:a4cbdfbbd2f4 | 470 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 471 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 472 | |
mbed_official | 181:a4cbdfbbd2f4 | 473 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 474 | * @brief Transmits in master mode an amount of data in blocking mode. |
mbed_official | 181:a4cbdfbbd2f4 | 475 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 476 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 477 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 478 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 479 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 480 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 481 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 482 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 483 | HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 484 | { |
mbed_official | 181:a4cbdfbbd2f4 | 485 | uint32_t sizetmp = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 486 | |
mbed_official | 181:a4cbdfbbd2f4 | 487 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 488 | { |
mbed_official | 181:a4cbdfbbd2f4 | 489 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 490 | { |
mbed_official | 181:a4cbdfbbd2f4 | 491 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 492 | } |
mbed_official | 181:a4cbdfbbd2f4 | 493 | |
mbed_official | 181:a4cbdfbbd2f4 | 494 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 495 | { |
mbed_official | 181:a4cbdfbbd2f4 | 496 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 497 | } |
mbed_official | 181:a4cbdfbbd2f4 | 498 | |
mbed_official | 181:a4cbdfbbd2f4 | 499 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 500 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 501 | |
mbed_official | 181:a4cbdfbbd2f4 | 502 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 503 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 504 | |
mbed_official | 181:a4cbdfbbd2f4 | 505 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 506 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 507 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 508 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 509 | { |
mbed_official | 181:a4cbdfbbd2f4 | 510 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 511 | sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 512 | } |
mbed_official | 181:a4cbdfbbd2f4 | 513 | else |
mbed_official | 181:a4cbdfbbd2f4 | 514 | { |
mbed_official | 181:a4cbdfbbd2f4 | 515 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 516 | sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 517 | } |
mbed_official | 181:a4cbdfbbd2f4 | 518 | |
mbed_official | 181:a4cbdfbbd2f4 | 519 | do |
mbed_official | 181:a4cbdfbbd2f4 | 520 | { |
mbed_official | 181:a4cbdfbbd2f4 | 521 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 522 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 523 | { |
mbed_official | 181:a4cbdfbbd2f4 | 524 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 525 | { |
mbed_official | 181:a4cbdfbbd2f4 | 526 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 527 | } |
mbed_official | 181:a4cbdfbbd2f4 | 528 | else |
mbed_official | 181:a4cbdfbbd2f4 | 529 | { |
mbed_official | 181:a4cbdfbbd2f4 | 530 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 531 | } |
mbed_official | 181:a4cbdfbbd2f4 | 532 | } |
mbed_official | 181:a4cbdfbbd2f4 | 533 | /* Write data to TXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 534 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 181:a4cbdfbbd2f4 | 535 | sizetmp--; |
mbed_official | 181:a4cbdfbbd2f4 | 536 | Size--; |
mbed_official | 181:a4cbdfbbd2f4 | 537 | |
mbed_official | 181:a4cbdfbbd2f4 | 538 | if((sizetmp == 0)&&(Size!=0)) |
mbed_official | 181:a4cbdfbbd2f4 | 539 | { |
mbed_official | 181:a4cbdfbbd2f4 | 540 | /* Wait until TXE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 541 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 542 | { |
mbed_official | 181:a4cbdfbbd2f4 | 543 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 544 | } |
mbed_official | 181:a4cbdfbbd2f4 | 545 | |
mbed_official | 181:a4cbdfbbd2f4 | 546 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 547 | { |
mbed_official | 181:a4cbdfbbd2f4 | 548 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 549 | sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 550 | } |
mbed_official | 181:a4cbdfbbd2f4 | 551 | else |
mbed_official | 181:a4cbdfbbd2f4 | 552 | { |
mbed_official | 181:a4cbdfbbd2f4 | 553 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 554 | sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 555 | } |
mbed_official | 181:a4cbdfbbd2f4 | 556 | } |
mbed_official | 181:a4cbdfbbd2f4 | 557 | |
mbed_official | 181:a4cbdfbbd2f4 | 558 | }while(Size > 0); |
mbed_official | 181:a4cbdfbbd2f4 | 559 | |
mbed_official | 181:a4cbdfbbd2f4 | 560 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 561 | /* Wait until STOPF flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 562 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 563 | { |
mbed_official | 181:a4cbdfbbd2f4 | 564 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 565 | } |
mbed_official | 181:a4cbdfbbd2f4 | 566 | |
mbed_official | 181:a4cbdfbbd2f4 | 567 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 568 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 569 | |
mbed_official | 181:a4cbdfbbd2f4 | 570 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 571 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 572 | |
mbed_official | 181:a4cbdfbbd2f4 | 573 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 574 | |
mbed_official | 181:a4cbdfbbd2f4 | 575 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 576 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 577 | |
mbed_official | 181:a4cbdfbbd2f4 | 578 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 579 | } |
mbed_official | 181:a4cbdfbbd2f4 | 580 | else |
mbed_official | 181:a4cbdfbbd2f4 | 581 | { |
mbed_official | 181:a4cbdfbbd2f4 | 582 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 583 | } |
mbed_official | 181:a4cbdfbbd2f4 | 584 | } |
mbed_official | 181:a4cbdfbbd2f4 | 585 | |
mbed_official | 181:a4cbdfbbd2f4 | 586 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 587 | * @brief Receives in master mode an amount of data in blocking mode. |
mbed_official | 181:a4cbdfbbd2f4 | 588 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 589 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 590 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 591 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 592 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 593 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 594 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 595 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 596 | HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 597 | { |
mbed_official | 181:a4cbdfbbd2f4 | 598 | uint32_t sizetmp = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 599 | |
mbed_official | 181:a4cbdfbbd2f4 | 600 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 601 | { |
mbed_official | 181:a4cbdfbbd2f4 | 602 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 603 | { |
mbed_official | 181:a4cbdfbbd2f4 | 604 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 605 | } |
mbed_official | 181:a4cbdfbbd2f4 | 606 | |
mbed_official | 181:a4cbdfbbd2f4 | 607 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 608 | { |
mbed_official | 181:a4cbdfbbd2f4 | 609 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 610 | } |
mbed_official | 181:a4cbdfbbd2f4 | 611 | |
mbed_official | 181:a4cbdfbbd2f4 | 612 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 613 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 614 | |
mbed_official | 181:a4cbdfbbd2f4 | 615 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 616 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 617 | |
mbed_official | 181:a4cbdfbbd2f4 | 618 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 619 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 620 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 621 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 622 | { |
mbed_official | 181:a4cbdfbbd2f4 | 623 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 624 | sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 625 | } |
mbed_official | 181:a4cbdfbbd2f4 | 626 | else |
mbed_official | 181:a4cbdfbbd2f4 | 627 | { |
mbed_official | 181:a4cbdfbbd2f4 | 628 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 629 | sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 630 | } |
mbed_official | 181:a4cbdfbbd2f4 | 631 | |
mbed_official | 181:a4cbdfbbd2f4 | 632 | do |
mbed_official | 181:a4cbdfbbd2f4 | 633 | { |
mbed_official | 181:a4cbdfbbd2f4 | 634 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 635 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 636 | { |
mbed_official | 181:a4cbdfbbd2f4 | 637 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 638 | } |
mbed_official | 181:a4cbdfbbd2f4 | 639 | |
mbed_official | 181:a4cbdfbbd2f4 | 640 | /* Write data to RXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 641 | (*pData++) =hi2c->Instance->RXDR; |
mbed_official | 181:a4cbdfbbd2f4 | 642 | sizetmp--; |
mbed_official | 181:a4cbdfbbd2f4 | 643 | Size--; |
mbed_official | 181:a4cbdfbbd2f4 | 644 | |
mbed_official | 181:a4cbdfbbd2f4 | 645 | if((sizetmp == 0)&&(Size!=0)) |
mbed_official | 181:a4cbdfbbd2f4 | 646 | { |
mbed_official | 181:a4cbdfbbd2f4 | 647 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 648 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 649 | { |
mbed_official | 181:a4cbdfbbd2f4 | 650 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 651 | } |
mbed_official | 181:a4cbdfbbd2f4 | 652 | |
mbed_official | 181:a4cbdfbbd2f4 | 653 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 654 | { |
mbed_official | 181:a4cbdfbbd2f4 | 655 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 656 | sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 657 | } |
mbed_official | 181:a4cbdfbbd2f4 | 658 | else |
mbed_official | 181:a4cbdfbbd2f4 | 659 | { |
mbed_official | 181:a4cbdfbbd2f4 | 660 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 661 | sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 662 | } |
mbed_official | 181:a4cbdfbbd2f4 | 663 | } |
mbed_official | 181:a4cbdfbbd2f4 | 664 | |
mbed_official | 181:a4cbdfbbd2f4 | 665 | }while(Size > 0); |
mbed_official | 181:a4cbdfbbd2f4 | 666 | |
mbed_official | 181:a4cbdfbbd2f4 | 667 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 668 | /* Wait until STOPF flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 669 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 670 | { |
mbed_official | 181:a4cbdfbbd2f4 | 671 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 672 | } |
mbed_official | 181:a4cbdfbbd2f4 | 673 | |
mbed_official | 181:a4cbdfbbd2f4 | 674 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 675 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 676 | |
mbed_official | 181:a4cbdfbbd2f4 | 677 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 678 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 679 | |
mbed_official | 181:a4cbdfbbd2f4 | 680 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 681 | |
mbed_official | 181:a4cbdfbbd2f4 | 682 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 683 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 684 | |
mbed_official | 181:a4cbdfbbd2f4 | 685 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 686 | } |
mbed_official | 181:a4cbdfbbd2f4 | 687 | else |
mbed_official | 181:a4cbdfbbd2f4 | 688 | { |
mbed_official | 181:a4cbdfbbd2f4 | 689 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 690 | } |
mbed_official | 181:a4cbdfbbd2f4 | 691 | } |
mbed_official | 181:a4cbdfbbd2f4 | 692 | |
mbed_official | 181:a4cbdfbbd2f4 | 693 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 694 | * @brief Transmits in slave mode an amount of data in blocking mode. |
mbed_official | 181:a4cbdfbbd2f4 | 695 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 696 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 697 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 698 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 699 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 700 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 701 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 702 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 703 | { |
mbed_official | 181:a4cbdfbbd2f4 | 704 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 705 | { |
mbed_official | 181:a4cbdfbbd2f4 | 706 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 707 | { |
mbed_official | 181:a4cbdfbbd2f4 | 708 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 709 | } |
mbed_official | 181:a4cbdfbbd2f4 | 710 | |
mbed_official | 181:a4cbdfbbd2f4 | 711 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 712 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 713 | |
mbed_official | 181:a4cbdfbbd2f4 | 714 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 715 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 716 | |
mbed_official | 181:a4cbdfbbd2f4 | 717 | /* Enable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 718 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 719 | |
mbed_official | 181:a4cbdfbbd2f4 | 720 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 721 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 722 | { |
mbed_official | 181:a4cbdfbbd2f4 | 723 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 724 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 725 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 726 | } |
mbed_official | 181:a4cbdfbbd2f4 | 727 | |
mbed_official | 181:a4cbdfbbd2f4 | 728 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 729 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 730 | |
mbed_official | 181:a4cbdfbbd2f4 | 731 | /* If 10bit addressing mode is selected */ |
mbed_official | 181:a4cbdfbbd2f4 | 732 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 733 | { |
mbed_official | 181:a4cbdfbbd2f4 | 734 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 735 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 736 | { |
mbed_official | 181:a4cbdfbbd2f4 | 737 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 738 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 739 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 740 | } |
mbed_official | 181:a4cbdfbbd2f4 | 741 | |
mbed_official | 181:a4cbdfbbd2f4 | 742 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 743 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 744 | } |
mbed_official | 181:a4cbdfbbd2f4 | 745 | |
mbed_official | 181:a4cbdfbbd2f4 | 746 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 747 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 748 | { |
mbed_official | 181:a4cbdfbbd2f4 | 749 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 750 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 751 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 752 | } |
mbed_official | 181:a4cbdfbbd2f4 | 753 | |
mbed_official | 181:a4cbdfbbd2f4 | 754 | do |
mbed_official | 181:a4cbdfbbd2f4 | 755 | { |
mbed_official | 181:a4cbdfbbd2f4 | 756 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 757 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 758 | { |
mbed_official | 181:a4cbdfbbd2f4 | 759 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 760 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 761 | |
mbed_official | 181:a4cbdfbbd2f4 | 762 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 763 | { |
mbed_official | 181:a4cbdfbbd2f4 | 764 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 765 | } |
mbed_official | 181:a4cbdfbbd2f4 | 766 | else |
mbed_official | 181:a4cbdfbbd2f4 | 767 | { |
mbed_official | 181:a4cbdfbbd2f4 | 768 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 769 | } |
mbed_official | 181:a4cbdfbbd2f4 | 770 | } |
mbed_official | 181:a4cbdfbbd2f4 | 771 | |
mbed_official | 181:a4cbdfbbd2f4 | 772 | /* Read data from TXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 773 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 181:a4cbdfbbd2f4 | 774 | Size--; |
mbed_official | 181:a4cbdfbbd2f4 | 775 | }while(Size > 0); |
mbed_official | 181:a4cbdfbbd2f4 | 776 | |
mbed_official | 181:a4cbdfbbd2f4 | 777 | /* Wait until STOP flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 778 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 779 | { |
mbed_official | 181:a4cbdfbbd2f4 | 780 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 781 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 782 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 783 | } |
mbed_official | 181:a4cbdfbbd2f4 | 784 | |
mbed_official | 181:a4cbdfbbd2f4 | 785 | /* Clear STOP flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 786 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 787 | |
mbed_official | 181:a4cbdfbbd2f4 | 788 | /* Wait until BUSY flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 789 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 790 | { |
mbed_official | 181:a4cbdfbbd2f4 | 791 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 792 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 793 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 794 | } |
mbed_official | 181:a4cbdfbbd2f4 | 795 | |
mbed_official | 181:a4cbdfbbd2f4 | 796 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 797 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 798 | |
mbed_official | 181:a4cbdfbbd2f4 | 799 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 800 | |
mbed_official | 181:a4cbdfbbd2f4 | 801 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 802 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 803 | |
mbed_official | 181:a4cbdfbbd2f4 | 804 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 805 | } |
mbed_official | 181:a4cbdfbbd2f4 | 806 | else |
mbed_official | 181:a4cbdfbbd2f4 | 807 | { |
mbed_official | 181:a4cbdfbbd2f4 | 808 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 809 | } |
mbed_official | 181:a4cbdfbbd2f4 | 810 | } |
mbed_official | 181:a4cbdfbbd2f4 | 811 | |
mbed_official | 181:a4cbdfbbd2f4 | 812 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 813 | * @brief Receive in slave mode an amount of data in blocking mode |
mbed_official | 181:a4cbdfbbd2f4 | 814 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 815 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 816 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 817 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 818 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 819 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 820 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 821 | HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 822 | { |
mbed_official | 181:a4cbdfbbd2f4 | 823 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 824 | { |
mbed_official | 181:a4cbdfbbd2f4 | 825 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 826 | { |
mbed_official | 181:a4cbdfbbd2f4 | 827 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 828 | } |
mbed_official | 181:a4cbdfbbd2f4 | 829 | |
mbed_official | 181:a4cbdfbbd2f4 | 830 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 831 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 832 | |
mbed_official | 181:a4cbdfbbd2f4 | 833 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 834 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 835 | |
mbed_official | 181:a4cbdfbbd2f4 | 836 | /* Enable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 837 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 838 | |
mbed_official | 181:a4cbdfbbd2f4 | 839 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 840 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 841 | { |
mbed_official | 181:a4cbdfbbd2f4 | 842 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 843 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 844 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 845 | } |
mbed_official | 181:a4cbdfbbd2f4 | 846 | |
mbed_official | 181:a4cbdfbbd2f4 | 847 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 848 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 849 | |
mbed_official | 181:a4cbdfbbd2f4 | 850 | /* Wait until DIR flag is reset Receiver mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 851 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 852 | { |
mbed_official | 181:a4cbdfbbd2f4 | 853 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 854 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 855 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 856 | } |
mbed_official | 181:a4cbdfbbd2f4 | 857 | |
mbed_official | 181:a4cbdfbbd2f4 | 858 | while(Size > 0) |
mbed_official | 181:a4cbdfbbd2f4 | 859 | { |
mbed_official | 181:a4cbdfbbd2f4 | 860 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 861 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 862 | { |
mbed_official | 181:a4cbdfbbd2f4 | 863 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 864 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 865 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 866 | } |
mbed_official | 181:a4cbdfbbd2f4 | 867 | |
mbed_official | 181:a4cbdfbbd2f4 | 868 | /* Read data from RXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 869 | (*pData++) = hi2c->Instance->RXDR; |
mbed_official | 181:a4cbdfbbd2f4 | 870 | Size--; |
mbed_official | 181:a4cbdfbbd2f4 | 871 | } |
mbed_official | 181:a4cbdfbbd2f4 | 872 | |
mbed_official | 181:a4cbdfbbd2f4 | 873 | /* Wait until STOP flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 874 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 875 | { |
mbed_official | 181:a4cbdfbbd2f4 | 876 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 877 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 878 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 879 | } |
mbed_official | 181:a4cbdfbbd2f4 | 880 | |
mbed_official | 181:a4cbdfbbd2f4 | 881 | /* Clear STOP flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 882 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 883 | |
mbed_official | 181:a4cbdfbbd2f4 | 884 | /* Wait until BUSY flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 885 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 886 | { |
mbed_official | 181:a4cbdfbbd2f4 | 887 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 888 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 889 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 890 | } |
mbed_official | 181:a4cbdfbbd2f4 | 891 | |
mbed_official | 181:a4cbdfbbd2f4 | 892 | |
mbed_official | 181:a4cbdfbbd2f4 | 893 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 894 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 895 | |
mbed_official | 181:a4cbdfbbd2f4 | 896 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 897 | |
mbed_official | 181:a4cbdfbbd2f4 | 898 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 899 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 900 | |
mbed_official | 181:a4cbdfbbd2f4 | 901 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 902 | } |
mbed_official | 181:a4cbdfbbd2f4 | 903 | else |
mbed_official | 181:a4cbdfbbd2f4 | 904 | { |
mbed_official | 181:a4cbdfbbd2f4 | 905 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 906 | } |
mbed_official | 181:a4cbdfbbd2f4 | 907 | } |
mbed_official | 181:a4cbdfbbd2f4 | 908 | |
mbed_official | 181:a4cbdfbbd2f4 | 909 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 910 | * @brief Transmit in master mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 181:a4cbdfbbd2f4 | 911 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 912 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 913 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 914 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 915 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 916 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 917 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 918 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 919 | { |
mbed_official | 181:a4cbdfbbd2f4 | 920 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 921 | { |
mbed_official | 181:a4cbdfbbd2f4 | 922 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 923 | { |
mbed_official | 181:a4cbdfbbd2f4 | 924 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 925 | } |
mbed_official | 181:a4cbdfbbd2f4 | 926 | |
mbed_official | 181:a4cbdfbbd2f4 | 927 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 928 | { |
mbed_official | 181:a4cbdfbbd2f4 | 929 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 930 | } |
mbed_official | 181:a4cbdfbbd2f4 | 931 | |
mbed_official | 181:a4cbdfbbd2f4 | 932 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 933 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 934 | |
mbed_official | 181:a4cbdfbbd2f4 | 935 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 936 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 937 | |
mbed_official | 181:a4cbdfbbd2f4 | 938 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 939 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 940 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 941 | { |
mbed_official | 181:a4cbdfbbd2f4 | 942 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 943 | } |
mbed_official | 181:a4cbdfbbd2f4 | 944 | else |
mbed_official | 181:a4cbdfbbd2f4 | 945 | { |
mbed_official | 181:a4cbdfbbd2f4 | 946 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 947 | } |
mbed_official | 181:a4cbdfbbd2f4 | 948 | |
mbed_official | 181:a4cbdfbbd2f4 | 949 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 950 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 951 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 952 | { |
mbed_official | 181:a4cbdfbbd2f4 | 953 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 954 | } |
mbed_official | 181:a4cbdfbbd2f4 | 955 | else |
mbed_official | 181:a4cbdfbbd2f4 | 956 | { |
mbed_official | 181:a4cbdfbbd2f4 | 957 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 958 | } |
mbed_official | 181:a4cbdfbbd2f4 | 959 | |
mbed_official | 181:a4cbdfbbd2f4 | 960 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 961 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 962 | |
mbed_official | 181:a4cbdfbbd2f4 | 963 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 181:a4cbdfbbd2f4 | 964 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 181:a4cbdfbbd2f4 | 965 | process unlock */ |
mbed_official | 181:a4cbdfbbd2f4 | 966 | |
mbed_official | 181:a4cbdfbbd2f4 | 967 | |
mbed_official | 181:a4cbdfbbd2f4 | 968 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 969 | /* possible to enable all of these */ |
mbed_official | 181:a4cbdfbbd2f4 | 970 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 181:a4cbdfbbd2f4 | 971 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 972 | |
mbed_official | 181:a4cbdfbbd2f4 | 973 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 974 | } |
mbed_official | 181:a4cbdfbbd2f4 | 975 | else |
mbed_official | 181:a4cbdfbbd2f4 | 976 | { |
mbed_official | 181:a4cbdfbbd2f4 | 977 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 978 | } |
mbed_official | 181:a4cbdfbbd2f4 | 979 | } |
mbed_official | 181:a4cbdfbbd2f4 | 980 | |
mbed_official | 181:a4cbdfbbd2f4 | 981 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 982 | * @brief Receive in master mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 181:a4cbdfbbd2f4 | 983 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 984 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 985 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 986 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 987 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 988 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 989 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 990 | HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 991 | { |
mbed_official | 181:a4cbdfbbd2f4 | 992 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 993 | { |
mbed_official | 181:a4cbdfbbd2f4 | 994 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 995 | { |
mbed_official | 181:a4cbdfbbd2f4 | 996 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 997 | } |
mbed_official | 181:a4cbdfbbd2f4 | 998 | |
mbed_official | 181:a4cbdfbbd2f4 | 999 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1000 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1001 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1002 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1003 | |
mbed_official | 181:a4cbdfbbd2f4 | 1004 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1005 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1006 | |
mbed_official | 181:a4cbdfbbd2f4 | 1007 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 1008 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1009 | |
mbed_official | 181:a4cbdfbbd2f4 | 1010 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1011 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1012 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1013 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1014 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1015 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1016 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1017 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1018 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1019 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1020 | |
mbed_official | 181:a4cbdfbbd2f4 | 1021 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1022 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1023 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 1024 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1025 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1026 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1027 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1028 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1029 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1030 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1031 | |
mbed_official | 181:a4cbdfbbd2f4 | 1032 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1033 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1034 | |
mbed_official | 181:a4cbdfbbd2f4 | 1035 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 181:a4cbdfbbd2f4 | 1036 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 181:a4cbdfbbd2f4 | 1037 | process unlock */ |
mbed_official | 181:a4cbdfbbd2f4 | 1038 | |
mbed_official | 181:a4cbdfbbd2f4 | 1039 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 1040 | /* possible to enable all of these */ |
mbed_official | 181:a4cbdfbbd2f4 | 1041 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 181:a4cbdfbbd2f4 | 1042 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 1043 | |
mbed_official | 181:a4cbdfbbd2f4 | 1044 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1045 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1046 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1047 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1048 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1049 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1050 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1051 | |
mbed_official | 181:a4cbdfbbd2f4 | 1052 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1053 | * @brief Transmit in slave mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 181:a4cbdfbbd2f4 | 1054 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1055 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1056 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1057 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1058 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1059 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1060 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 1061 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1062 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1063 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1064 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1065 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1066 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1067 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1068 | |
mbed_official | 181:a4cbdfbbd2f4 | 1069 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1070 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1071 | |
mbed_official | 181:a4cbdfbbd2f4 | 1072 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 1073 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1074 | |
mbed_official | 181:a4cbdfbbd2f4 | 1075 | /* Enable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1076 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1077 | |
mbed_official | 181:a4cbdfbbd2f4 | 1078 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1079 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1080 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1081 | |
mbed_official | 181:a4cbdfbbd2f4 | 1082 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1083 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1084 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1085 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1086 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1087 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1088 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1089 | |
mbed_official | 181:a4cbdfbbd2f4 | 1090 | |
mbed_official | 181:a4cbdfbbd2f4 | 1091 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1092 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 1093 | |
mbed_official | 181:a4cbdfbbd2f4 | 1094 | /* In case of 10BIT addressingmode */ |
mbed_official | 181:a4cbdfbbd2f4 | 1095 | /* A new ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1096 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 1097 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1098 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1099 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1100 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1101 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1102 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1103 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1104 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1105 | |
mbed_official | 181:a4cbdfbbd2f4 | 1106 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1107 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 1108 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1109 | |
mbed_official | 181:a4cbdfbbd2f4 | 1110 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 1111 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, I2C_TIMEOUT_DIR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1112 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1113 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1114 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1115 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1116 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1117 | |
mbed_official | 181:a4cbdfbbd2f4 | 1118 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1119 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1120 | |
mbed_official | 181:a4cbdfbbd2f4 | 1121 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 181:a4cbdfbbd2f4 | 1122 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 181:a4cbdfbbd2f4 | 1123 | process unlock */ |
mbed_official | 181:a4cbdfbbd2f4 | 1124 | |
mbed_official | 181:a4cbdfbbd2f4 | 1125 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 1126 | /* possible to enable all of these */ |
mbed_official | 181:a4cbdfbbd2f4 | 1127 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 181:a4cbdfbbd2f4 | 1128 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 1129 | |
mbed_official | 181:a4cbdfbbd2f4 | 1130 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1131 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1132 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1133 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1134 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1135 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1136 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1137 | |
mbed_official | 181:a4cbdfbbd2f4 | 1138 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1139 | * @brief Receive in slave mode an amount of data in no-blocking mode with Interrupt |
mbed_official | 181:a4cbdfbbd2f4 | 1140 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1141 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1142 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1143 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1144 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1145 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1146 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 1147 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1148 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1149 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1150 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1151 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1152 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1153 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1154 | |
mbed_official | 181:a4cbdfbbd2f4 | 1155 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1156 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1157 | |
mbed_official | 181:a4cbdfbbd2f4 | 1158 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 1159 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1160 | |
mbed_official | 181:a4cbdfbbd2f4 | 1161 | /* Enable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1162 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1163 | |
mbed_official | 181:a4cbdfbbd2f4 | 1164 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1165 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1166 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1167 | |
mbed_official | 181:a4cbdfbbd2f4 | 1168 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1169 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1170 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1171 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1172 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1173 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1174 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1175 | |
mbed_official | 181:a4cbdfbbd2f4 | 1176 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1177 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 1178 | |
mbed_official | 181:a4cbdfbbd2f4 | 1179 | /* Wait until DIR flag is reset Receiver mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 1180 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, I2C_TIMEOUT_DIR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1181 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1182 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1183 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1184 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1185 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1186 | |
mbed_official | 181:a4cbdfbbd2f4 | 1187 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1188 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1189 | |
mbed_official | 181:a4cbdfbbd2f4 | 1190 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 181:a4cbdfbbd2f4 | 1191 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 181:a4cbdfbbd2f4 | 1192 | process unlock */ |
mbed_official | 181:a4cbdfbbd2f4 | 1193 | |
mbed_official | 181:a4cbdfbbd2f4 | 1194 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 1195 | /* possible to enable all of these */ |
mbed_official | 181:a4cbdfbbd2f4 | 1196 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 181:a4cbdfbbd2f4 | 1197 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 1198 | |
mbed_official | 181:a4cbdfbbd2f4 | 1199 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1200 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1201 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1202 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1203 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1204 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1205 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1206 | |
mbed_official | 181:a4cbdfbbd2f4 | 1207 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1208 | * @brief Transmit in master mode an amount of data in no-blocking mode with DMA |
mbed_official | 181:a4cbdfbbd2f4 | 1209 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1210 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1211 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1212 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1213 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1214 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1215 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1216 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 1217 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1218 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1219 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1220 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1221 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1222 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1223 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1224 | |
mbed_official | 181:a4cbdfbbd2f4 | 1225 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1226 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1227 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1228 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1229 | |
mbed_official | 181:a4cbdfbbd2f4 | 1230 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1231 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1232 | |
mbed_official | 181:a4cbdfbbd2f4 | 1233 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 1234 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1235 | |
mbed_official | 181:a4cbdfbbd2f4 | 1236 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1237 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1238 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1239 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1240 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1241 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1242 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1243 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1244 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1245 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1246 | |
mbed_official | 181:a4cbdfbbd2f4 | 1247 | /* Set the I2C DMA transfert complete callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1248 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMasterTransmitCplt; |
mbed_official | 181:a4cbdfbbd2f4 | 1249 | |
mbed_official | 181:a4cbdfbbd2f4 | 1250 | /* Set the DMA error callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1251 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 181:a4cbdfbbd2f4 | 1252 | |
mbed_official | 181:a4cbdfbbd2f4 | 1253 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 1254 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 1255 | |
mbed_official | 181:a4cbdfbbd2f4 | 1256 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1257 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1258 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 1259 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1260 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 1261 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1262 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1263 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1264 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 1265 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1266 | |
mbed_official | 181:a4cbdfbbd2f4 | 1267 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1268 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1269 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1270 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1271 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1272 | |
mbed_official | 181:a4cbdfbbd2f4 | 1273 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 1274 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1275 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1276 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1277 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1278 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1279 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1280 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1281 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1282 | |
mbed_official | 181:a4cbdfbbd2f4 | 1283 | |
mbed_official | 181:a4cbdfbbd2f4 | 1284 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 1285 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 1286 | |
mbed_official | 181:a4cbdfbbd2f4 | 1287 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1288 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1289 | |
mbed_official | 181:a4cbdfbbd2f4 | 1290 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1291 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1292 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1293 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1294 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1295 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1296 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1297 | |
mbed_official | 181:a4cbdfbbd2f4 | 1298 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1299 | * @brief Receive in master mode an amount of data in no-blocking mode with DMA |
mbed_official | 181:a4cbdfbbd2f4 | 1300 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1301 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1302 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1303 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1304 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1305 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1306 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1307 | HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 1308 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1309 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1310 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1311 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1312 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1313 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1314 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1315 | |
mbed_official | 181:a4cbdfbbd2f4 | 1316 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1317 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1318 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1319 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1320 | |
mbed_official | 181:a4cbdfbbd2f4 | 1321 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1322 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1323 | |
mbed_official | 181:a4cbdfbbd2f4 | 1324 | hi2c->State = HAL_I2C_STATE_MASTER_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 1325 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1326 | |
mbed_official | 181:a4cbdfbbd2f4 | 1327 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1328 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1329 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1330 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1331 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1332 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1333 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1334 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1335 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1336 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1337 | |
mbed_official | 181:a4cbdfbbd2f4 | 1338 | /* Set the I2C DMA transfert complete callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1339 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMasterReceiveCplt; |
mbed_official | 181:a4cbdfbbd2f4 | 1340 | |
mbed_official | 181:a4cbdfbbd2f4 | 1341 | /* Set the DMA error callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1342 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 181:a4cbdfbbd2f4 | 1343 | |
mbed_official | 181:a4cbdfbbd2f4 | 1344 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 1345 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 1346 | |
mbed_official | 181:a4cbdfbbd2f4 | 1347 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1348 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1349 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 1350 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1351 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1352 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1353 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1354 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1355 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1356 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1357 | |
mbed_official | 181:a4cbdfbbd2f4 | 1358 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1359 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1360 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1361 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1362 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1363 | |
mbed_official | 181:a4cbdfbbd2f4 | 1364 | |
mbed_official | 181:a4cbdfbbd2f4 | 1365 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 1366 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 1367 | |
mbed_official | 181:a4cbdfbbd2f4 | 1368 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1369 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1370 | |
mbed_official | 181:a4cbdfbbd2f4 | 1371 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1372 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1373 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1374 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1375 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1376 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1377 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1378 | |
mbed_official | 181:a4cbdfbbd2f4 | 1379 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1380 | * @brief Transmit in slave mode an amount of data in no-blocking mode with DMA |
mbed_official | 181:a4cbdfbbd2f4 | 1381 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1382 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1383 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1384 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1385 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1386 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1387 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 1388 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1389 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1390 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1391 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1392 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1393 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1394 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1395 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1396 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1397 | |
mbed_official | 181:a4cbdfbbd2f4 | 1398 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 1399 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1400 | |
mbed_official | 181:a4cbdfbbd2f4 | 1401 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1402 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1403 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1404 | |
mbed_official | 181:a4cbdfbbd2f4 | 1405 | /* Set the I2C DMA transfert complete callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1406 | hi2c->hdmatx->XferCpltCallback = I2C_DMASlaveTransmitCplt; |
mbed_official | 181:a4cbdfbbd2f4 | 1407 | |
mbed_official | 181:a4cbdfbbd2f4 | 1408 | /* Set the DMA error callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1409 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 181:a4cbdfbbd2f4 | 1410 | |
mbed_official | 181:a4cbdfbbd2f4 | 1411 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 1412 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 1413 | |
mbed_official | 181:a4cbdfbbd2f4 | 1414 | /* Enable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1415 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1416 | |
mbed_official | 181:a4cbdfbbd2f4 | 1417 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1418 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1419 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1420 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1421 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1422 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1423 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1424 | |
mbed_official | 181:a4cbdfbbd2f4 | 1425 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1426 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 1427 | |
mbed_official | 181:a4cbdfbbd2f4 | 1428 | /* If 10bits addressing mode is selected */ |
mbed_official | 181:a4cbdfbbd2f4 | 1429 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 1430 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1431 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1432 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1433 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1434 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1435 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1436 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1437 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1438 | |
mbed_official | 181:a4cbdfbbd2f4 | 1439 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1440 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 1441 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1442 | |
mbed_official | 181:a4cbdfbbd2f4 | 1443 | /* Wait until DIR flag is set Transmitter mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 1444 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, RESET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1445 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1446 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1447 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1448 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1449 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1450 | |
mbed_official | 181:a4cbdfbbd2f4 | 1451 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 1452 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 1453 | |
mbed_official | 181:a4cbdfbbd2f4 | 1454 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1455 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1456 | |
mbed_official | 181:a4cbdfbbd2f4 | 1457 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1458 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1459 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1460 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1461 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1462 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1463 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1464 | |
mbed_official | 181:a4cbdfbbd2f4 | 1465 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1466 | * @brief Receive in slave mode an amount of data in no-blocking mode with DMA |
mbed_official | 181:a4cbdfbbd2f4 | 1467 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1468 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1469 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1470 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1471 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1472 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1473 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
mbed_official | 181:a4cbdfbbd2f4 | 1474 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1475 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1476 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1477 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1478 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1479 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1480 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1481 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1482 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1483 | |
mbed_official | 181:a4cbdfbbd2f4 | 1484 | hi2c->State = HAL_I2C_STATE_SLAVE_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 1485 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1486 | |
mbed_official | 181:a4cbdfbbd2f4 | 1487 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1488 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1489 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1490 | |
mbed_official | 181:a4cbdfbbd2f4 | 1491 | /* Set the I2C DMA transfert complete callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1492 | hi2c->hdmarx->XferCpltCallback = I2C_DMASlaveReceiveCplt; |
mbed_official | 181:a4cbdfbbd2f4 | 1493 | |
mbed_official | 181:a4cbdfbbd2f4 | 1494 | /* Set the DMA error callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 1495 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 181:a4cbdfbbd2f4 | 1496 | |
mbed_official | 181:a4cbdfbbd2f4 | 1497 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 1498 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, Size); |
mbed_official | 181:a4cbdfbbd2f4 | 1499 | |
mbed_official | 181:a4cbdfbbd2f4 | 1500 | /* Enable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1501 | hi2c->Instance->CR2 &= ~I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1502 | |
mbed_official | 181:a4cbdfbbd2f4 | 1503 | /* Wait until ADDR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1504 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1505 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1506 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1507 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1508 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1509 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1510 | |
mbed_official | 181:a4cbdfbbd2f4 | 1511 | /* Clear ADDR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1512 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_ADDR); |
mbed_official | 181:a4cbdfbbd2f4 | 1513 | |
mbed_official | 181:a4cbdfbbd2f4 | 1514 | /* Wait until DIR flag is set Receiver mode */ |
mbed_official | 181:a4cbdfbbd2f4 | 1515 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_DIR, SET, I2C_TIMEOUT_DIR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1516 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1517 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 1518 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 1519 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1520 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1521 | |
mbed_official | 181:a4cbdfbbd2f4 | 1522 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 1523 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 1524 | |
mbed_official | 181:a4cbdfbbd2f4 | 1525 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1526 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1527 | |
mbed_official | 181:a4cbdfbbd2f4 | 1528 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1529 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1530 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1531 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1532 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1533 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1534 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1535 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1536 | * @brief Write an amount of data in blocking mode to a specific memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1537 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1538 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1539 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1540 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1541 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1542 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1543 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1544 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 1545 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1546 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1547 | 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 | 181:a4cbdfbbd2f4 | 1548 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1549 | uint32_t Sizetmp = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 1550 | |
mbed_official | 181:a4cbdfbbd2f4 | 1551 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 1552 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 181:a4cbdfbbd2f4 | 1553 | |
mbed_official | 181:a4cbdfbbd2f4 | 1554 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1555 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1556 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1557 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1558 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1559 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1560 | |
mbed_official | 181:a4cbdfbbd2f4 | 1561 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1562 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1563 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1564 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1565 | |
mbed_official | 181:a4cbdfbbd2f4 | 1566 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1567 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1568 | |
mbed_official | 181:a4cbdfbbd2f4 | 1569 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 1570 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1571 | |
mbed_official | 181:a4cbdfbbd2f4 | 1572 | /* Send Slave Address and Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1573 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1574 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1575 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 1576 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1577 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1578 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1579 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1580 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1581 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1582 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1583 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1584 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1585 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1586 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1587 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1588 | |
mbed_official | 181:a4cbdfbbd2f4 | 1589 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1590 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 1591 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1592 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1593 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1594 | Sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1595 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1596 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1597 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1598 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1599 | Sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1600 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1601 | |
mbed_official | 181:a4cbdfbbd2f4 | 1602 | do |
mbed_official | 181:a4cbdfbbd2f4 | 1603 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1604 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1605 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1606 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1607 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 1608 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1609 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1610 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1611 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1612 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1613 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1614 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1615 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1616 | |
mbed_official | 181:a4cbdfbbd2f4 | 1617 | /* Write data to DR */ |
mbed_official | 181:a4cbdfbbd2f4 | 1618 | hi2c->Instance->TXDR = (*pData++); |
mbed_official | 181:a4cbdfbbd2f4 | 1619 | Sizetmp--; |
mbed_official | 181:a4cbdfbbd2f4 | 1620 | Size--; |
mbed_official | 181:a4cbdfbbd2f4 | 1621 | |
mbed_official | 181:a4cbdfbbd2f4 | 1622 | if((Sizetmp == 0)&&(Size!=0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1623 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1624 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1625 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1626 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1627 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1628 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1629 | |
mbed_official | 181:a4cbdfbbd2f4 | 1630 | |
mbed_official | 181:a4cbdfbbd2f4 | 1631 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1632 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1633 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1634 | Sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1635 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1636 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1637 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1638 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1639 | Sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1640 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1641 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1642 | |
mbed_official | 181:a4cbdfbbd2f4 | 1643 | }while(Size > 0); |
mbed_official | 181:a4cbdfbbd2f4 | 1644 | |
mbed_official | 181:a4cbdfbbd2f4 | 1645 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 1646 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 1647 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1648 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1649 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1650 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1651 | |
mbed_official | 181:a4cbdfbbd2f4 | 1652 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1653 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 1654 | |
mbed_official | 181:a4cbdfbbd2f4 | 1655 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 1656 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1657 | |
mbed_official | 181:a4cbdfbbd2f4 | 1658 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 1659 | |
mbed_official | 181:a4cbdfbbd2f4 | 1660 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1661 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1662 | |
mbed_official | 181:a4cbdfbbd2f4 | 1663 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1664 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1665 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1666 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1667 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1668 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1669 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1670 | |
mbed_official | 181:a4cbdfbbd2f4 | 1671 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1672 | * @brief Read an amount of data in blocking mode from a specific memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1673 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1674 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1675 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1676 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1677 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1678 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1679 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1680 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 1681 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1682 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1683 | 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 | 181:a4cbdfbbd2f4 | 1684 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1685 | uint32_t Sizetmp = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 1686 | |
mbed_official | 181:a4cbdfbbd2f4 | 1687 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 1688 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 181:a4cbdfbbd2f4 | 1689 | |
mbed_official | 181:a4cbdfbbd2f4 | 1690 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1691 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1692 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1693 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1694 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1695 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1696 | |
mbed_official | 181:a4cbdfbbd2f4 | 1697 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1698 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1699 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1700 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1701 | |
mbed_official | 181:a4cbdfbbd2f4 | 1702 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1703 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1704 | |
mbed_official | 181:a4cbdfbbd2f4 | 1705 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 1706 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1707 | |
mbed_official | 181:a4cbdfbbd2f4 | 1708 | /* Send Slave Address and Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1709 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1710 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1711 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 1712 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1713 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1714 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1715 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1716 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1717 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1718 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1719 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1720 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1721 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1722 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1723 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1724 | |
mbed_official | 181:a4cbdfbbd2f4 | 1725 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1726 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1727 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 1728 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1729 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1730 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1731 | Sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1732 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1733 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1734 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1735 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1736 | Sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1737 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1738 | |
mbed_official | 181:a4cbdfbbd2f4 | 1739 | do |
mbed_official | 181:a4cbdfbbd2f4 | 1740 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1741 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1742 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1743 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1744 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1745 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1746 | |
mbed_official | 181:a4cbdfbbd2f4 | 1747 | /* Read data from RXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 1748 | (*pData++) = hi2c->Instance->RXDR; |
mbed_official | 181:a4cbdfbbd2f4 | 1749 | |
mbed_official | 181:a4cbdfbbd2f4 | 1750 | /* Decrement the Size counter */ |
mbed_official | 181:a4cbdfbbd2f4 | 1751 | Sizetmp--; |
mbed_official | 181:a4cbdfbbd2f4 | 1752 | Size--; |
mbed_official | 181:a4cbdfbbd2f4 | 1753 | |
mbed_official | 181:a4cbdfbbd2f4 | 1754 | if((Sizetmp == 0)&&(Size!=0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1755 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1756 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 1757 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1758 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1759 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1760 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1761 | |
mbed_official | 181:a4cbdfbbd2f4 | 1762 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1763 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1764 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1765 | Sizetmp = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1766 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1767 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1768 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1769 | I2C_TransferConfig(hi2c,DevAddress,Size, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1770 | Sizetmp = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1771 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1772 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1773 | |
mbed_official | 181:a4cbdfbbd2f4 | 1774 | }while(Size > 0); |
mbed_official | 181:a4cbdfbbd2f4 | 1775 | |
mbed_official | 181:a4cbdfbbd2f4 | 1776 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 1777 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 1778 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1779 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1780 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1781 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1782 | |
mbed_official | 181:a4cbdfbbd2f4 | 1783 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 1784 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 1785 | |
mbed_official | 181:a4cbdfbbd2f4 | 1786 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 1787 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1788 | |
mbed_official | 181:a4cbdfbbd2f4 | 1789 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 1790 | |
mbed_official | 181:a4cbdfbbd2f4 | 1791 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1792 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1793 | |
mbed_official | 181:a4cbdfbbd2f4 | 1794 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1795 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1796 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1797 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1798 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1799 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1800 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1801 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1802 | * @brief Write an amount of data in no-blocking mode with Interrupt to a specific memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1803 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1804 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1805 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1806 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1807 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1808 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1809 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1810 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1811 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1812 | 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 | 181:a4cbdfbbd2f4 | 1813 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1814 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 1815 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 181:a4cbdfbbd2f4 | 1816 | |
mbed_official | 181:a4cbdfbbd2f4 | 1817 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1818 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1819 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1820 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1821 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1822 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1823 | |
mbed_official | 181:a4cbdfbbd2f4 | 1824 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1825 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1826 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1827 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1828 | |
mbed_official | 181:a4cbdfbbd2f4 | 1829 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1830 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1831 | |
mbed_official | 181:a4cbdfbbd2f4 | 1832 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 1833 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 1834 | |
mbed_official | 181:a4cbdfbbd2f4 | 1835 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1836 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1837 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1838 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1839 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1840 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1841 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1842 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1843 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1844 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1845 | |
mbed_official | 181:a4cbdfbbd2f4 | 1846 | /* Send Slave Address and Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1847 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1848 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1849 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 1850 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1851 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1852 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1853 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1854 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1855 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1856 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1857 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1858 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1859 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1860 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1861 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1862 | |
mbed_official | 181:a4cbdfbbd2f4 | 1863 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1864 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 1865 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1866 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 1867 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1868 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1869 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1870 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1871 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1872 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 1873 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1874 | |
mbed_official | 181:a4cbdfbbd2f4 | 1875 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1876 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1877 | |
mbed_official | 181:a4cbdfbbd2f4 | 1878 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 181:a4cbdfbbd2f4 | 1879 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 181:a4cbdfbbd2f4 | 1880 | process unlock */ |
mbed_official | 181:a4cbdfbbd2f4 | 1881 | |
mbed_official | 181:a4cbdfbbd2f4 | 1882 | /* Enable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 1883 | /* possible to enable all of these */ |
mbed_official | 181:a4cbdfbbd2f4 | 1884 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 181:a4cbdfbbd2f4 | 1885 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 1886 | |
mbed_official | 181:a4cbdfbbd2f4 | 1887 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1888 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1889 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1890 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1891 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1892 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1893 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1894 | |
mbed_official | 181:a4cbdfbbd2f4 | 1895 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1896 | * @brief Read an amount of data in no-blocking mode with Interrupt from a specific memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1897 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1898 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1899 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1900 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1901 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1902 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1903 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1904 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1905 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1906 | 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 | 181:a4cbdfbbd2f4 | 1907 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1908 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 1909 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 181:a4cbdfbbd2f4 | 1910 | |
mbed_official | 181:a4cbdfbbd2f4 | 1911 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 1912 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1913 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 1914 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1915 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1916 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1917 | |
mbed_official | 181:a4cbdfbbd2f4 | 1918 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 1919 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1920 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1921 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1922 | |
mbed_official | 181:a4cbdfbbd2f4 | 1923 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1924 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1925 | |
mbed_official | 181:a4cbdfbbd2f4 | 1926 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 1927 | |
mbed_official | 181:a4cbdfbbd2f4 | 1928 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 1929 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1930 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 1931 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1932 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 1933 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1934 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1935 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1936 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 1937 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1938 | |
mbed_official | 181:a4cbdfbbd2f4 | 1939 | /* Send Slave Address and Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 1940 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 1941 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1942 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 1943 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1944 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1945 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1946 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 1947 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1948 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1949 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1950 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1951 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1952 | |
mbed_official | 181:a4cbdfbbd2f4 | 1953 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 1954 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1955 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1956 | |
mbed_official | 181:a4cbdfbbd2f4 | 1957 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1958 | /* Size > 255, need to set RELOAD bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 1959 | /* Set NBYTES to read and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 1960 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 1961 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1962 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1963 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1964 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1965 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1966 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 1967 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1968 | |
mbed_official | 181:a4cbdfbbd2f4 | 1969 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 1970 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 1971 | |
mbed_official | 181:a4cbdfbbd2f4 | 1972 | /* Note : The I2C interrupts must be enabled after unlocking current process |
mbed_official | 181:a4cbdfbbd2f4 | 1973 | to avoid the risk of I2C interrupt handle execution before current |
mbed_official | 181:a4cbdfbbd2f4 | 1974 | process unlock */ |
mbed_official | 181:a4cbdfbbd2f4 | 1975 | |
mbed_official | 181:a4cbdfbbd2f4 | 1976 | /* Enable ERR, TC, STOP, NACK, RXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 1977 | /* possible to enable all of these */ |
mbed_official | 181:a4cbdfbbd2f4 | 1978 | /* I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_ADDRI | I2C_IT_RXI | I2C_IT_TXI */ |
mbed_official | 181:a4cbdfbbd2f4 | 1979 | __HAL_I2C_ENABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 1980 | |
mbed_official | 181:a4cbdfbbd2f4 | 1981 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 1982 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1983 | else |
mbed_official | 181:a4cbdfbbd2f4 | 1984 | { |
mbed_official | 181:a4cbdfbbd2f4 | 1985 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 1986 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1987 | } |
mbed_official | 181:a4cbdfbbd2f4 | 1988 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 1989 | * @brief Write an amount of data in no-blocking mode with DMA to a specific memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1990 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 1991 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 1992 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 1993 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1994 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 1995 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 1996 | * @param Size: Amount of data to be sent |
mbed_official | 181:a4cbdfbbd2f4 | 1997 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 1998 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 1999 | 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 | 181:a4cbdfbbd2f4 | 2000 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2001 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 2002 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 181:a4cbdfbbd2f4 | 2003 | |
mbed_official | 181:a4cbdfbbd2f4 | 2004 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 2005 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2006 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 2007 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2008 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2009 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2010 | |
mbed_official | 181:a4cbdfbbd2f4 | 2011 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2012 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2013 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2014 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2015 | |
mbed_official | 181:a4cbdfbbd2f4 | 2016 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2017 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2018 | |
mbed_official | 181:a4cbdfbbd2f4 | 2019 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
mbed_official | 181:a4cbdfbbd2f4 | 2020 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 2021 | |
mbed_official | 181:a4cbdfbbd2f4 | 2022 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 2023 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 2024 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 2025 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2026 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 2027 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2028 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2029 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2030 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 2031 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2032 | |
mbed_official | 181:a4cbdfbbd2f4 | 2033 | /* Set the I2C DMA transfert complete callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 2034 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMemTransmitCplt; |
mbed_official | 181:a4cbdfbbd2f4 | 2035 | |
mbed_official | 181:a4cbdfbbd2f4 | 2036 | /* Set the DMA error callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 2037 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
mbed_official | 181:a4cbdfbbd2f4 | 2038 | |
mbed_official | 181:a4cbdfbbd2f4 | 2039 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 2040 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 2041 | |
mbed_official | 181:a4cbdfbbd2f4 | 2042 | /* Send Slave Address and Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2043 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2044 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2045 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2046 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2047 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2048 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2049 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2050 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2051 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2052 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2053 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2054 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2055 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2056 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2057 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2058 | |
mbed_official | 181:a4cbdfbbd2f4 | 2059 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2060 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 2061 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 2062 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2063 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 2064 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2065 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2066 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2067 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 2068 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2069 | |
mbed_official | 181:a4cbdfbbd2f4 | 2070 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2071 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2072 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2073 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2074 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2075 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2076 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2077 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2078 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2079 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2080 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2081 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2082 | |
mbed_official | 181:a4cbdfbbd2f4 | 2083 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 2084 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 2085 | |
mbed_official | 181:a4cbdfbbd2f4 | 2086 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2087 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2088 | |
mbed_official | 181:a4cbdfbbd2f4 | 2089 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2090 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2091 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2092 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2093 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2094 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2095 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2096 | |
mbed_official | 181:a4cbdfbbd2f4 | 2097 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2098 | * @brief Reads an amount of data in no-blocking mode with DMA from a specific memory address. |
mbed_official | 181:a4cbdfbbd2f4 | 2099 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2100 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2101 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 2102 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 2103 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 2104 | * @param pData: Pointer to data buffer |
mbed_official | 181:a4cbdfbbd2f4 | 2105 | * @param Size: Amount of data to be read |
mbed_official | 181:a4cbdfbbd2f4 | 2106 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2107 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2108 | 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 | 181:a4cbdfbbd2f4 | 2109 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2110 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 2111 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
mbed_official | 181:a4cbdfbbd2f4 | 2112 | |
mbed_official | 181:a4cbdfbbd2f4 | 2113 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 2114 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2115 | if((pData == NULL) || (Size == 0)) |
mbed_official | 181:a4cbdfbbd2f4 | 2116 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2117 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2118 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2119 | |
mbed_official | 181:a4cbdfbbd2f4 | 2120 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2121 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2122 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2123 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2124 | |
mbed_official | 181:a4cbdfbbd2f4 | 2125 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2126 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2127 | |
mbed_official | 181:a4cbdfbbd2f4 | 2128 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
mbed_official | 181:a4cbdfbbd2f4 | 2129 | |
mbed_official | 181:a4cbdfbbd2f4 | 2130 | hi2c->pBuffPtr = pData; |
mbed_official | 181:a4cbdfbbd2f4 | 2131 | hi2c->XferCount = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 2132 | if(Size > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 2133 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2134 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 2135 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2136 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2137 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2138 | hi2c->XferSize = Size; |
mbed_official | 181:a4cbdfbbd2f4 | 2139 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2140 | |
mbed_official | 181:a4cbdfbbd2f4 | 2141 | /* Set the I2C DMA transfert complete callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 2142 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMemReceiveCplt; |
mbed_official | 181:a4cbdfbbd2f4 | 2143 | |
mbed_official | 181:a4cbdfbbd2f4 | 2144 | /* Set the DMA error callback */ |
mbed_official | 181:a4cbdfbbd2f4 | 2145 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
mbed_official | 181:a4cbdfbbd2f4 | 2146 | |
mbed_official | 181:a4cbdfbbd2f4 | 2147 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 2148 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)pData, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 2149 | |
mbed_official | 181:a4cbdfbbd2f4 | 2150 | /* Send Slave Address and Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2151 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2152 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2153 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2154 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2155 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2156 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2157 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2158 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2159 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2160 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2161 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2162 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2163 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2164 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2165 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2166 | |
mbed_official | 181:a4cbdfbbd2f4 | 2167 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 2168 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 2169 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2170 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 2171 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2172 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2173 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2174 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_GENERATE_START_READ); |
mbed_official | 181:a4cbdfbbd2f4 | 2175 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2176 | |
mbed_official | 181:a4cbdfbbd2f4 | 2177 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2178 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2179 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2180 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2181 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2182 | |
mbed_official | 181:a4cbdfbbd2f4 | 2183 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 2184 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 2185 | |
mbed_official | 181:a4cbdfbbd2f4 | 2186 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2187 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2188 | |
mbed_official | 181:a4cbdfbbd2f4 | 2189 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2190 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2191 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2192 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2193 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2194 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2195 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2196 | |
mbed_official | 181:a4cbdfbbd2f4 | 2197 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2198 | * @brief Checks if target device is ready for communication. |
mbed_official | 181:a4cbdfbbd2f4 | 2199 | * @note This function is used with Memory devices |
mbed_official | 181:a4cbdfbbd2f4 | 2200 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2201 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2202 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 2203 | * @param Trials: Number of trials |
mbed_official | 181:a4cbdfbbd2f4 | 2204 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 2205 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2206 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2207 | HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 2208 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2209 | uint32_t tickstart = 0x00; |
mbed_official | 181:a4cbdfbbd2f4 | 2210 | |
mbed_official | 181:a4cbdfbbd2f4 | 2211 | __IO uint32_t I2C_Trials = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 2212 | |
mbed_official | 181:a4cbdfbbd2f4 | 2213 | if(hi2c->State == HAL_I2C_STATE_READY) |
mbed_official | 181:a4cbdfbbd2f4 | 2214 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2215 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2216 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2217 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2218 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2219 | |
mbed_official | 181:a4cbdfbbd2f4 | 2220 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2221 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2222 | |
mbed_official | 181:a4cbdfbbd2f4 | 2223 | hi2c->State = HAL_I2C_STATE_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2224 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
mbed_official | 181:a4cbdfbbd2f4 | 2225 | |
mbed_official | 181:a4cbdfbbd2f4 | 2226 | do |
mbed_official | 181:a4cbdfbbd2f4 | 2227 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2228 | /* Generate Start */ |
mbed_official | 181:a4cbdfbbd2f4 | 2229 | hi2c->Instance->CR2 = __HAL_I2C_GENERATE_START(hi2c->Init.AddressingMode,DevAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2230 | |
mbed_official | 181:a4cbdfbbd2f4 | 2231 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 2232 | /* Wait until STOPF flag is set or a NACK flag is set*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2233 | tickstart = HAL_GetTick(); |
mbed_official | 181:a4cbdfbbd2f4 | 2234 | 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 | 181:a4cbdfbbd2f4 | 2235 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2236 | if((HAL_GetTick() - tickstart ) > Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 2237 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2238 | hi2c->State = HAL_I2C_STATE_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2239 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2240 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2241 | |
mbed_official | 181:a4cbdfbbd2f4 | 2242 | /* Check if the NACKF flag has not been set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2243 | if (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == RESET) |
mbed_official | 181:a4cbdfbbd2f4 | 2244 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2245 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 2246 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2247 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2248 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2249 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2250 | |
mbed_official | 181:a4cbdfbbd2f4 | 2251 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2252 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2253 | |
mbed_official | 181:a4cbdfbbd2f4 | 2254 | /* Device is ready */ |
mbed_official | 181:a4cbdfbbd2f4 | 2255 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2256 | |
mbed_official | 181:a4cbdfbbd2f4 | 2257 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2258 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2259 | |
mbed_official | 181:a4cbdfbbd2f4 | 2260 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2261 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2262 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2263 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2264 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 2265 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2266 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2267 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2268 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2269 | |
mbed_official | 181:a4cbdfbbd2f4 | 2270 | /* Clear NACK Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2271 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 181:a4cbdfbbd2f4 | 2272 | |
mbed_official | 181:a4cbdfbbd2f4 | 2273 | /* Clear STOP Flag, auto generated with autoend*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2274 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2275 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2276 | |
mbed_official | 181:a4cbdfbbd2f4 | 2277 | /* Check if the maximum allowed numbe of trials has bee reached */ |
mbed_official | 181:a4cbdfbbd2f4 | 2278 | if (I2C_Trials++ == Trials) |
mbed_official | 181:a4cbdfbbd2f4 | 2279 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2280 | /* Generate Stop */ |
mbed_official | 181:a4cbdfbbd2f4 | 2281 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 181:a4cbdfbbd2f4 | 2282 | |
mbed_official | 181:a4cbdfbbd2f4 | 2283 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 2284 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2285 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2286 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2287 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2288 | |
mbed_official | 181:a4cbdfbbd2f4 | 2289 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2290 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2291 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2292 | }while(I2C_Trials++ < Trials); |
mbed_official | 181:a4cbdfbbd2f4 | 2293 | |
mbed_official | 181:a4cbdfbbd2f4 | 2294 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2295 | |
mbed_official | 181:a4cbdfbbd2f4 | 2296 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2297 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2298 | |
mbed_official | 181:a4cbdfbbd2f4 | 2299 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2300 | |
mbed_official | 181:a4cbdfbbd2f4 | 2301 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2302 | |
mbed_official | 181:a4cbdfbbd2f4 | 2303 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2304 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2305 | return HAL_BUSY; |
mbed_official | 181:a4cbdfbbd2f4 | 2306 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2307 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2308 | |
mbed_official | 181:a4cbdfbbd2f4 | 2309 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2310 | * @brief This function handles I2C event interrupt request. |
mbed_official | 181:a4cbdfbbd2f4 | 2311 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2312 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2313 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2314 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2315 | void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2316 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2317 | /* I2C in mode Transmitter ---------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2318 | 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 | 181:a4cbdfbbd2f4 | 2319 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2320 | /* Slave mode selected */ |
mbed_official | 181:a4cbdfbbd2f4 | 2321 | if (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_TX) |
mbed_official | 181:a4cbdfbbd2f4 | 2322 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2323 | I2C_SlaveTransmit_ISR(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2324 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2325 | /* Master mode selected */ |
mbed_official | 181:a4cbdfbbd2f4 | 2326 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2327 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2328 | I2C_MasterTransmit_ISR(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2329 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2330 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2331 | |
mbed_official | 181:a4cbdfbbd2f4 | 2332 | /* I2C in mode Receiver ----------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2333 | 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 | 181:a4cbdfbbd2f4 | 2334 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2335 | /* Slave mode selected */ |
mbed_official | 181:a4cbdfbbd2f4 | 2336 | if (hi2c->State == HAL_I2C_STATE_SLAVE_BUSY_RX) |
mbed_official | 181:a4cbdfbbd2f4 | 2337 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2338 | I2C_SlaveReceive_ISR(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2339 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2340 | /* Master mode selected */ |
mbed_official | 181:a4cbdfbbd2f4 | 2341 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2342 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2343 | I2C_MasterReceive_ISR(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2344 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2345 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2346 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2347 | |
mbed_official | 181:a4cbdfbbd2f4 | 2348 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2349 | * @brief This function handles I2C error interrupt request. |
mbed_official | 181:a4cbdfbbd2f4 | 2350 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2351 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2352 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2353 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2354 | void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2355 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2356 | /* I2C Bus error interrupt occurred ------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2357 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BERR) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 181:a4cbdfbbd2f4 | 2358 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2359 | hi2c->ErrorCode |= HAL_I2C_ERROR_BERR; |
mbed_official | 181:a4cbdfbbd2f4 | 2360 | |
mbed_official | 181:a4cbdfbbd2f4 | 2361 | /* Clear BERR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2362 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_BERR); |
mbed_official | 181:a4cbdfbbd2f4 | 2363 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2364 | |
mbed_official | 181:a4cbdfbbd2f4 | 2365 | /* I2C Over-Run/Under-Run interrupt occurred ----------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2366 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_OVR) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 181:a4cbdfbbd2f4 | 2367 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2368 | hi2c->ErrorCode |= HAL_I2C_ERROR_OVR; |
mbed_official | 181:a4cbdfbbd2f4 | 2369 | |
mbed_official | 181:a4cbdfbbd2f4 | 2370 | /* Clear OVR flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2371 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR); |
mbed_official | 181:a4cbdfbbd2f4 | 2372 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2373 | |
mbed_official | 181:a4cbdfbbd2f4 | 2374 | /* I2C Arbitration Loss error interrupt occurred -------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 2375 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ARLO) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERRI) == SET)) |
mbed_official | 181:a4cbdfbbd2f4 | 2376 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2377 | hi2c->ErrorCode |= HAL_I2C_ERROR_ARLO; |
mbed_official | 181:a4cbdfbbd2f4 | 2378 | |
mbed_official | 181:a4cbdfbbd2f4 | 2379 | /* Clear ARLO flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2380 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ARLO); |
mbed_official | 181:a4cbdfbbd2f4 | 2381 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2382 | |
mbed_official | 181:a4cbdfbbd2f4 | 2383 | /* Call the Error Callback in case of Error detected */ |
mbed_official | 181:a4cbdfbbd2f4 | 2384 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 2385 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2386 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2387 | |
mbed_official | 181:a4cbdfbbd2f4 | 2388 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2389 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2390 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2391 | |
mbed_official | 181:a4cbdfbbd2f4 | 2392 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2393 | * @brief Master Tx Transfer completed callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2394 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2395 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2396 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2397 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2398 | __weak void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2399 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2400 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2401 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2402 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2403 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2404 | |
mbed_official | 181:a4cbdfbbd2f4 | 2405 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2406 | * @brief Master Rx Transfer completed callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2407 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2408 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2409 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2410 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2411 | __weak void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2412 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2413 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2414 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2415 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2416 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2417 | |
mbed_official | 181:a4cbdfbbd2f4 | 2418 | /** @brief Slave Tx Transfer completed callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2419 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2420 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2421 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2422 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2423 | __weak void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2424 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2425 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2426 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2427 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2428 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2429 | |
mbed_official | 181:a4cbdfbbd2f4 | 2430 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2431 | * @brief Slave Rx Transfer completed callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2432 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2433 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2434 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2435 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2436 | __weak void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2437 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2438 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2439 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2440 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2441 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2442 | |
mbed_official | 181:a4cbdfbbd2f4 | 2443 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2444 | * @brief Memory Tx Transfer completed callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2445 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2446 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2447 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2448 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2449 | __weak void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2450 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2451 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2452 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2453 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2454 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2455 | |
mbed_official | 181:a4cbdfbbd2f4 | 2456 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2457 | * @brief Memory Rx Transfer completed callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2458 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2459 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2460 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2461 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2462 | __weak void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2463 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2464 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2465 | the HAL_I2C_TxCpltCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2466 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2467 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2468 | |
mbed_official | 181:a4cbdfbbd2f4 | 2469 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2470 | * @brief I2C error callbacks. |
mbed_official | 181:a4cbdfbbd2f4 | 2471 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2472 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2473 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2474 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2475 | __weak void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2476 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2477 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 181:a4cbdfbbd2f4 | 2478 | the HAL_I2C_ErrorCallback could be implemented in the user file |
mbed_official | 181:a4cbdfbbd2f4 | 2479 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2480 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2481 | |
mbed_official | 181:a4cbdfbbd2f4 | 2482 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2483 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 2484 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2485 | |
mbed_official | 181:a4cbdfbbd2f4 | 2486 | /** @defgroup I2C_Group3 Peripheral State and Errors functions |
mbed_official | 181:a4cbdfbbd2f4 | 2487 | * @brief Peripheral State and Errors functions |
mbed_official | 181:a4cbdfbbd2f4 | 2488 | * |
mbed_official | 181:a4cbdfbbd2f4 | 2489 | @verbatim |
mbed_official | 181:a4cbdfbbd2f4 | 2490 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 2491 | ##### Peripheral State and Errors functions ##### |
mbed_official | 181:a4cbdfbbd2f4 | 2492 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 2493 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 2494 | This subsection permit to get in run-time the status of the peripheral |
mbed_official | 181:a4cbdfbbd2f4 | 2495 | and the data flow. |
mbed_official | 181:a4cbdfbbd2f4 | 2496 | |
mbed_official | 181:a4cbdfbbd2f4 | 2497 | @endverbatim |
mbed_official | 181:a4cbdfbbd2f4 | 2498 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 2499 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2500 | |
mbed_official | 181:a4cbdfbbd2f4 | 2501 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2502 | * @brief Returns the I2C state. |
mbed_official | 181:a4cbdfbbd2f4 | 2503 | * @param hi2c : I2C handle |
mbed_official | 181:a4cbdfbbd2f4 | 2504 | * @retval HAL state |
mbed_official | 181:a4cbdfbbd2f4 | 2505 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2506 | HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2507 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2508 | return hi2c->State; |
mbed_official | 181:a4cbdfbbd2f4 | 2509 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2510 | |
mbed_official | 181:a4cbdfbbd2f4 | 2511 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2512 | * @brief Return the I2C error code |
mbed_official | 181:a4cbdfbbd2f4 | 2513 | * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2514 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2515 | * @retval I2C Error Code |
mbed_official | 181:a4cbdfbbd2f4 | 2516 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2517 | uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2518 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2519 | return hi2c->ErrorCode; |
mbed_official | 181:a4cbdfbbd2f4 | 2520 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2521 | |
mbed_official | 181:a4cbdfbbd2f4 | 2522 | |
mbed_official | 181:a4cbdfbbd2f4 | 2523 | |
mbed_official | 181:a4cbdfbbd2f4 | 2524 | |
mbed_official | 181:a4cbdfbbd2f4 | 2525 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2526 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 2527 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2528 | |
mbed_official | 181:a4cbdfbbd2f4 | 2529 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2530 | * @brief Handle Interrupt Flags Master Transmit Mode |
mbed_official | 181:a4cbdfbbd2f4 | 2531 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2532 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2533 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2534 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2535 | static HAL_StatusTypeDef I2C_MasterTransmit_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2536 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2537 | uint16_t DevAddress; |
mbed_official | 181:a4cbdfbbd2f4 | 2538 | |
mbed_official | 181:a4cbdfbbd2f4 | 2539 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2540 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2541 | |
mbed_official | 181:a4cbdfbbd2f4 | 2542 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2543 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2544 | /* Write data to TXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 2545 | hi2c->Instance->TXDR = (*hi2c->pBuffPtr++); |
mbed_official | 181:a4cbdfbbd2f4 | 2546 | hi2c->XferSize--; |
mbed_official | 181:a4cbdfbbd2f4 | 2547 | hi2c->XferCount--; |
mbed_official | 181:a4cbdfbbd2f4 | 2548 | |
mbed_official | 181:a4cbdfbbd2f4 | 2549 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2550 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2551 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2552 | if((hi2c->XferSize == 0)&&(hi2c->XferCount!=0)) |
mbed_official | 181:a4cbdfbbd2f4 | 2553 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2554 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 181:a4cbdfbbd2f4 | 2555 | |
mbed_official | 181:a4cbdfbbd2f4 | 2556 | if(hi2c->XferCount > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 2557 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2558 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 2559 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 2560 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2561 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2562 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2563 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferCount, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 2564 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 181:a4cbdfbbd2f4 | 2565 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2566 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2567 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2568 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2569 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2570 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2571 | |
mbed_official | 181:a4cbdfbbd2f4 | 2572 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 181:a4cbdfbbd2f4 | 2573 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 181:a4cbdfbbd2f4 | 2574 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2575 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2576 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2577 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2578 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2579 | if(hi2c->XferCount == 0) |
mbed_official | 181:a4cbdfbbd2f4 | 2580 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2581 | /* Generate Stop */ |
mbed_official | 181:a4cbdfbbd2f4 | 2582 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 181:a4cbdfbbd2f4 | 2583 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2584 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2585 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2586 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2587 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2588 | |
mbed_official | 181:a4cbdfbbd2f4 | 2589 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 181:a4cbdfbbd2f4 | 2590 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 181:a4cbdfbbd2f4 | 2591 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2592 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2593 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2594 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2595 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2596 | /* Disable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 2597 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_TXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 2598 | |
mbed_official | 181:a4cbdfbbd2f4 | 2599 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2600 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2601 | |
mbed_official | 181:a4cbdfbbd2f4 | 2602 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 2603 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2604 | |
mbed_official | 181:a4cbdfbbd2f4 | 2605 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2606 | |
mbed_official | 181:a4cbdfbbd2f4 | 2607 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2608 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2609 | |
mbed_official | 181:a4cbdfbbd2f4 | 2610 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX) |
mbed_official | 181:a4cbdfbbd2f4 | 2611 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2612 | HAL_I2C_MemTxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2613 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2614 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2615 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2616 | HAL_I2C_MasterTxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2617 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2618 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2619 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2620 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2621 | /* Clear NACK Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2622 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 181:a4cbdfbbd2f4 | 2623 | |
mbed_official | 181:a4cbdfbbd2f4 | 2624 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2625 | |
mbed_official | 181:a4cbdfbbd2f4 | 2626 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2627 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2628 | |
mbed_official | 181:a4cbdfbbd2f4 | 2629 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 181:a4cbdfbbd2f4 | 2630 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2631 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2632 | |
mbed_official | 181:a4cbdfbbd2f4 | 2633 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2634 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2635 | |
mbed_official | 181:a4cbdfbbd2f4 | 2636 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2637 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2638 | |
mbed_official | 181:a4cbdfbbd2f4 | 2639 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2640 | * @brief Handle Interrupt Flags Master Receive Mode |
mbed_official | 181:a4cbdfbbd2f4 | 2641 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2642 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2643 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2644 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2645 | static HAL_StatusTypeDef I2C_MasterReceive_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2646 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2647 | uint16_t DevAddress; |
mbed_official | 181:a4cbdfbbd2f4 | 2648 | |
mbed_official | 181:a4cbdfbbd2f4 | 2649 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2650 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2651 | |
mbed_official | 181:a4cbdfbbd2f4 | 2652 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2653 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2654 | /* Read data from RXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 2655 | (*hi2c->pBuffPtr++) = hi2c->Instance->RXDR; |
mbed_official | 181:a4cbdfbbd2f4 | 2656 | hi2c->XferSize--; |
mbed_official | 181:a4cbdfbbd2f4 | 2657 | hi2c->XferCount--; |
mbed_official | 181:a4cbdfbbd2f4 | 2658 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2659 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TCR) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2660 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2661 | if((hi2c->XferSize == 0)&&(hi2c->XferCount!=0)) |
mbed_official | 181:a4cbdfbbd2f4 | 2662 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2663 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 181:a4cbdfbbd2f4 | 2664 | |
mbed_official | 181:a4cbdfbbd2f4 | 2665 | if(hi2c->XferCount > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 2666 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2667 | I2C_TransferConfig(hi2c,DevAddress,255, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 2668 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 2669 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2670 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2671 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2672 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferCount, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 2673 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 181:a4cbdfbbd2f4 | 2674 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2675 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2676 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2677 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2678 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2679 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2680 | |
mbed_official | 181:a4cbdfbbd2f4 | 2681 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 181:a4cbdfbbd2f4 | 2682 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 181:a4cbdfbbd2f4 | 2683 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2684 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2685 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2686 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TC) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2687 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2688 | if(hi2c->XferCount == 0) |
mbed_official | 181:a4cbdfbbd2f4 | 2689 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2690 | /* Generate Stop */ |
mbed_official | 181:a4cbdfbbd2f4 | 2691 | hi2c->Instance->CR2 |= I2C_CR2_STOP; |
mbed_official | 181:a4cbdfbbd2f4 | 2692 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2693 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2694 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2695 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2696 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2697 | |
mbed_official | 181:a4cbdfbbd2f4 | 2698 | /* Wrong size Status regarding TCR flag event */ |
mbed_official | 181:a4cbdfbbd2f4 | 2699 | hi2c->ErrorCode |= HAL_I2C_ERROR_SIZE; |
mbed_official | 181:a4cbdfbbd2f4 | 2700 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2701 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2702 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2703 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2704 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2705 | /* Disable ERR, TC, STOP, NACK, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 2706 | __HAL_I2C_DISABLE_IT(hi2c,I2C_IT_ERRI | I2C_IT_TCI| I2C_IT_STOPI| I2C_IT_NACKI | I2C_IT_RXI ); |
mbed_official | 181:a4cbdfbbd2f4 | 2707 | |
mbed_official | 181:a4cbdfbbd2f4 | 2708 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2709 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2710 | |
mbed_official | 181:a4cbdfbbd2f4 | 2711 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 2712 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2713 | |
mbed_official | 181:a4cbdfbbd2f4 | 2714 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2715 | |
mbed_official | 181:a4cbdfbbd2f4 | 2716 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2717 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2718 | |
mbed_official | 181:a4cbdfbbd2f4 | 2719 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX) |
mbed_official | 181:a4cbdfbbd2f4 | 2720 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2721 | HAL_I2C_MemRxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2722 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2723 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2724 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2725 | HAL_I2C_MasterRxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2726 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2727 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2728 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2729 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2730 | /* Clear NACK Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2731 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 181:a4cbdfbbd2f4 | 2732 | |
mbed_official | 181:a4cbdfbbd2f4 | 2733 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2734 | |
mbed_official | 181:a4cbdfbbd2f4 | 2735 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2736 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2737 | |
mbed_official | 181:a4cbdfbbd2f4 | 2738 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 181:a4cbdfbbd2f4 | 2739 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2740 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2741 | |
mbed_official | 181:a4cbdfbbd2f4 | 2742 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2743 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2744 | |
mbed_official | 181:a4cbdfbbd2f4 | 2745 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2746 | |
mbed_official | 181:a4cbdfbbd2f4 | 2747 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2748 | |
mbed_official | 181:a4cbdfbbd2f4 | 2749 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2750 | * @brief Handle Interrupt Flags Slave Transmit Mode |
mbed_official | 181:a4cbdfbbd2f4 | 2751 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2752 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2753 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2754 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2755 | static HAL_StatusTypeDef I2C_SlaveTransmit_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2756 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2757 | /* Process locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2758 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2759 | |
mbed_official | 181:a4cbdfbbd2f4 | 2760 | /* Check first if STOPF is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2761 | /* to prevent a Write Data in TX buffer */ |
mbed_official | 181:a4cbdfbbd2f4 | 2762 | /* which is stuck in TXDR until next */ |
mbed_official | 181:a4cbdfbbd2f4 | 2763 | /* communication with Master */ |
mbed_official | 181:a4cbdfbbd2f4 | 2764 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2765 | |
mbed_official | 181:a4cbdfbbd2f4 | 2766 | |
mbed_official | 181:a4cbdfbbd2f4 | 2767 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2768 | /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 2769 | __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 | 181:a4cbdfbbd2f4 | 2770 | |
mbed_official | 181:a4cbdfbbd2f4 | 2771 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 2772 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 2773 | |
mbed_official | 181:a4cbdfbbd2f4 | 2774 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2775 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2776 | |
mbed_official | 181:a4cbdfbbd2f4 | 2777 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2778 | |
mbed_official | 181:a4cbdfbbd2f4 | 2779 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2780 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2781 | |
mbed_official | 181:a4cbdfbbd2f4 | 2782 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2783 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2784 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2785 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2786 | /* Write data to TXDR only if XferCount not reach "0" */ |
mbed_official | 181:a4cbdfbbd2f4 | 2787 | /* A TXIS flag can be set, during STOP treatment */ |
mbed_official | 181:a4cbdfbbd2f4 | 2788 | if(hi2c->XferCount > 0) |
mbed_official | 181:a4cbdfbbd2f4 | 2789 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2790 | /* Write data to TXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 2791 | hi2c->Instance->TXDR = (*hi2c->pBuffPtr++); |
mbed_official | 181:a4cbdfbbd2f4 | 2792 | hi2c->XferCount--; |
mbed_official | 181:a4cbdfbbd2f4 | 2793 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2794 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2795 | |
mbed_official | 181:a4cbdfbbd2f4 | 2796 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2797 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2798 | |
mbed_official | 181:a4cbdfbbd2f4 | 2799 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2800 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2801 | |
mbed_official | 181:a4cbdfbbd2f4 | 2802 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2803 | * @brief Handle Interrupt Flags Slave Receive Mode |
mbed_official | 181:a4cbdfbbd2f4 | 2804 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2805 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2806 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2807 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2808 | static HAL_StatusTypeDef I2C_SlaveReceive_ISR(I2C_HandleTypeDef *hi2c) |
mbed_official | 181:a4cbdfbbd2f4 | 2809 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2810 | /* Process Locked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2811 | __HAL_LOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2812 | |
mbed_official | 181:a4cbdfbbd2f4 | 2813 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2814 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2815 | /* Read data from RXDR */ |
mbed_official | 181:a4cbdfbbd2f4 | 2816 | (*hi2c->pBuffPtr++) = hi2c->Instance->RXDR; |
mbed_official | 181:a4cbdfbbd2f4 | 2817 | hi2c->XferSize--; |
mbed_official | 181:a4cbdfbbd2f4 | 2818 | hi2c->XferCount--; |
mbed_official | 181:a4cbdfbbd2f4 | 2819 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2820 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 2821 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2822 | /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ |
mbed_official | 181:a4cbdfbbd2f4 | 2823 | __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 | 181:a4cbdfbbd2f4 | 2824 | |
mbed_official | 181:a4cbdfbbd2f4 | 2825 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 2826 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 2827 | |
mbed_official | 181:a4cbdfbbd2f4 | 2828 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 2829 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 2830 | |
mbed_official | 181:a4cbdfbbd2f4 | 2831 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 2832 | |
mbed_official | 181:a4cbdfbbd2f4 | 2833 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2834 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2835 | |
mbed_official | 181:a4cbdfbbd2f4 | 2836 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2837 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2838 | |
mbed_official | 181:a4cbdfbbd2f4 | 2839 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 2840 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 2841 | |
mbed_official | 181:a4cbdfbbd2f4 | 2842 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2843 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2844 | |
mbed_official | 181:a4cbdfbbd2f4 | 2845 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2846 | * @brief Master sends target device address followed by internal memory address for write request. |
mbed_official | 181:a4cbdfbbd2f4 | 2847 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2848 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2849 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 2850 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 2851 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 2852 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 2853 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2854 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2855 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 2856 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2857 | |
mbed_official | 181:a4cbdfbbd2f4 | 2858 | |
mbed_official | 181:a4cbdfbbd2f4 | 2859 | I2C_TransferConfig(hi2c,DevAddress,MemAddSize, I2C_RELOAD_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 2860 | |
mbed_official | 181:a4cbdfbbd2f4 | 2861 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2862 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2863 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2864 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2865 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2866 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2867 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2868 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2869 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2870 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2871 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2872 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2873 | |
mbed_official | 181:a4cbdfbbd2f4 | 2874 | /* If Memory address size is 8Bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 2875 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 2876 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2877 | /* Send Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2878 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2879 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2880 | /* If Memory address size is 16Bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 2881 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2882 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2883 | /* Send MSB of Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2884 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_MSB(MemAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2885 | |
mbed_official | 181:a4cbdfbbd2f4 | 2886 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2887 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2888 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2889 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2890 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2891 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2892 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2893 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2894 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2895 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2896 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2897 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2898 | |
mbed_official | 181:a4cbdfbbd2f4 | 2899 | /* Send LSB of Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2900 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2901 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2902 | |
mbed_official | 181:a4cbdfbbd2f4 | 2903 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2904 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2905 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2906 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2907 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2908 | |
mbed_official | 181:a4cbdfbbd2f4 | 2909 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2910 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2911 | |
mbed_official | 181:a4cbdfbbd2f4 | 2912 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2913 | * @brief Master sends target device address followed by internal memory address for read request. |
mbed_official | 181:a4cbdfbbd2f4 | 2914 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 2915 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 2916 | * @param DevAddress: Target device address |
mbed_official | 181:a4cbdfbbd2f4 | 2917 | * @param MemAddress: Internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 2918 | * @param MemAddSize: Size of internal memory address |
mbed_official | 181:a4cbdfbbd2f4 | 2919 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 2920 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 2921 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2922 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 2923 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2924 | I2C_TransferConfig(hi2c,DevAddress,MemAddSize, I2C_SOFTEND_MODE, I2C_GENERATE_START_WRITE); |
mbed_official | 181:a4cbdfbbd2f4 | 2925 | |
mbed_official | 181:a4cbdfbbd2f4 | 2926 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2927 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2928 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2929 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2930 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2931 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2932 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2933 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2934 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2935 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2936 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2937 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2938 | |
mbed_official | 181:a4cbdfbbd2f4 | 2939 | /* If Memory address size is 8Bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 2940 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
mbed_official | 181:a4cbdfbbd2f4 | 2941 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2942 | /* Send Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2943 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2944 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2945 | /* If Mememory address size is 16Bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 2946 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2947 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2948 | /* Send MSB of Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2949 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_MSB(MemAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2950 | |
mbed_official | 181:a4cbdfbbd2f4 | 2951 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2952 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2953 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2954 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
mbed_official | 181:a4cbdfbbd2f4 | 2955 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2956 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 2957 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2958 | else |
mbed_official | 181:a4cbdfbbd2f4 | 2959 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2960 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2961 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2962 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2963 | |
mbed_official | 181:a4cbdfbbd2f4 | 2964 | /* Send LSB of Memory Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 2965 | hi2c->Instance->TXDR = __HAL_I2C_MEM_ADD_LSB(MemAddress); |
mbed_official | 181:a4cbdfbbd2f4 | 2966 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2967 | |
mbed_official | 181:a4cbdfbbd2f4 | 2968 | /* Wait until TC flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2969 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2970 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2971 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2972 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2973 | |
mbed_official | 181:a4cbdfbbd2f4 | 2974 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 2975 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2976 | |
mbed_official | 181:a4cbdfbbd2f4 | 2977 | |
mbed_official | 181:a4cbdfbbd2f4 | 2978 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2979 | * @brief DMA I2C master transmit process complete callback. |
mbed_official | 181:a4cbdfbbd2f4 | 2980 | * @param hdma: DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 2981 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 2982 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 2983 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 2984 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2985 | uint16_t DevAddress; |
mbed_official | 181:a4cbdfbbd2f4 | 2986 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 2987 | |
mbed_official | 181:a4cbdfbbd2f4 | 2988 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 181:a4cbdfbbd2f4 | 2989 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 2990 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 2991 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2992 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 2993 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 2994 | { |
mbed_official | 181:a4cbdfbbd2f4 | 2995 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 2996 | } |
mbed_official | 181:a4cbdfbbd2f4 | 2997 | |
mbed_official | 181:a4cbdfbbd2f4 | 2998 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 2999 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3000 | |
mbed_official | 181:a4cbdfbbd2f4 | 3001 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3002 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3003 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3004 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3005 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3006 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3007 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3008 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3009 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3010 | |
mbed_official | 181:a4cbdfbbd2f4 | 3011 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3012 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3013 | |
mbed_official | 181:a4cbdfbbd2f4 | 3014 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3015 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3016 | |
mbed_official | 181:a4cbdfbbd2f4 | 3017 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3018 | |
mbed_official | 181:a4cbdfbbd2f4 | 3019 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3020 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3021 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3022 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3023 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3024 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3025 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3026 | if(hi2c->XferCount > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 3027 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3028 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 3029 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3030 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3031 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3032 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 181:a4cbdfbbd2f4 | 3033 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3034 | |
mbed_official | 181:a4cbdfbbd2f4 | 3035 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 181:a4cbdfbbd2f4 | 3036 | |
mbed_official | 181:a4cbdfbbd2f4 | 3037 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 3038 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 3039 | |
mbed_official | 181:a4cbdfbbd2f4 | 3040 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 3041 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3042 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3043 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3044 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3045 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3046 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3047 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3048 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3049 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3050 | |
mbed_official | 181:a4cbdfbbd2f4 | 3051 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3052 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3053 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3054 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3055 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3056 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3057 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3058 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3059 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3060 | |
mbed_official | 181:a4cbdfbbd2f4 | 3061 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3062 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3063 | |
mbed_official | 181:a4cbdfbbd2f4 | 3064 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3065 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3066 | |
mbed_official | 181:a4cbdfbbd2f4 | 3067 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3068 | |
mbed_official | 181:a4cbdfbbd2f4 | 3069 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3070 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3071 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3072 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3073 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3074 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3075 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3076 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3077 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3078 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3079 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3080 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3081 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3082 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3083 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3084 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3085 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3086 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3087 | |
mbed_official | 181:a4cbdfbbd2f4 | 3088 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3089 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3090 | |
mbed_official | 181:a4cbdfbbd2f4 | 3091 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3092 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3093 | |
mbed_official | 181:a4cbdfbbd2f4 | 3094 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3095 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3096 | |
mbed_official | 181:a4cbdfbbd2f4 | 3097 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3098 | |
mbed_official | 181:a4cbdfbbd2f4 | 3099 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3100 | |
mbed_official | 181:a4cbdfbbd2f4 | 3101 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3102 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3103 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3104 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3105 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3106 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3107 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3108 | HAL_I2C_MasterTxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3109 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3110 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3111 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3112 | |
mbed_official | 181:a4cbdfbbd2f4 | 3113 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3114 | * @brief DMA I2C slave transmit process complete callback. |
mbed_official | 181:a4cbdfbbd2f4 | 3115 | * @param hdma: DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 3116 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3117 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3118 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 3119 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3120 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 3121 | |
mbed_official | 181:a4cbdfbbd2f4 | 3122 | /* Wait until STOP flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3123 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3124 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3125 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3126 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3127 | |
mbed_official | 181:a4cbdfbbd2f4 | 3128 | /* Clear STOP flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3129 | __HAL_I2C_CLEAR_FLAG(hi2c,I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3130 | |
mbed_official | 181:a4cbdfbbd2f4 | 3131 | /* Wait until BUSY flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3132 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3133 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3134 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3135 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3136 | |
mbed_official | 181:a4cbdfbbd2f4 | 3137 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3138 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3139 | |
mbed_official | 181:a4cbdfbbd2f4 | 3140 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3141 | |
mbed_official | 181:a4cbdfbbd2f4 | 3142 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3143 | |
mbed_official | 181:a4cbdfbbd2f4 | 3144 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3145 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3146 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3147 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3148 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3149 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3150 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3151 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3152 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3153 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3154 | |
mbed_official | 181:a4cbdfbbd2f4 | 3155 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3156 | * @brief DMA I2C master receive process complete callback |
mbed_official | 181:a4cbdfbbd2f4 | 3157 | * @param hdma: DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 3158 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3159 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3160 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 3161 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3162 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 3163 | uint16_t DevAddress; |
mbed_official | 181:a4cbdfbbd2f4 | 3164 | |
mbed_official | 181:a4cbdfbbd2f4 | 3165 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 181:a4cbdfbbd2f4 | 3166 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3167 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3168 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3169 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3170 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3171 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3172 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3173 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3174 | |
mbed_official | 181:a4cbdfbbd2f4 | 3175 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3176 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3177 | |
mbed_official | 181:a4cbdfbbd2f4 | 3178 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3179 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3180 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3181 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3182 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3183 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3184 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3185 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3186 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3187 | |
mbed_official | 181:a4cbdfbbd2f4 | 3188 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3189 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3190 | |
mbed_official | 181:a4cbdfbbd2f4 | 3191 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3192 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3193 | |
mbed_official | 181:a4cbdfbbd2f4 | 3194 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3195 | |
mbed_official | 181:a4cbdfbbd2f4 | 3196 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3197 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3198 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3199 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3200 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3201 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3202 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3203 | if(hi2c->XferCount > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 3204 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3205 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 3206 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3207 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3208 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3209 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 181:a4cbdfbbd2f4 | 3210 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3211 | |
mbed_official | 181:a4cbdfbbd2f4 | 3212 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 181:a4cbdfbbd2f4 | 3213 | |
mbed_official | 181:a4cbdfbbd2f4 | 3214 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 3215 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 3216 | |
mbed_official | 181:a4cbdfbbd2f4 | 3217 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 3218 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3219 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3220 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3221 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3222 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3223 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3224 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3225 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3226 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3227 | |
mbed_official | 181:a4cbdfbbd2f4 | 3228 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3229 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3230 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3231 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3232 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3233 | |
mbed_official | 181:a4cbdfbbd2f4 | 3234 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3235 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3236 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3237 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3238 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3239 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3240 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3241 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3242 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3243 | |
mbed_official | 181:a4cbdfbbd2f4 | 3244 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3245 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3246 | |
mbed_official | 181:a4cbdfbbd2f4 | 3247 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3248 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3249 | |
mbed_official | 181:a4cbdfbbd2f4 | 3250 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3251 | |
mbed_official | 181:a4cbdfbbd2f4 | 3252 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3253 | |
mbed_official | 181:a4cbdfbbd2f4 | 3254 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3255 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3256 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3257 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3258 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3259 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3260 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3261 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3262 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3263 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3264 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3265 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3266 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3267 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3268 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3269 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3270 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3271 | |
mbed_official | 181:a4cbdfbbd2f4 | 3272 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3273 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3274 | |
mbed_official | 181:a4cbdfbbd2f4 | 3275 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3276 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3277 | |
mbed_official | 181:a4cbdfbbd2f4 | 3278 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3279 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3280 | |
mbed_official | 181:a4cbdfbbd2f4 | 3281 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3282 | |
mbed_official | 181:a4cbdfbbd2f4 | 3283 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3284 | |
mbed_official | 181:a4cbdfbbd2f4 | 3285 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3286 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3287 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3288 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3289 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3290 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3291 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3292 | HAL_I2C_MasterRxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3293 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3294 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3295 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3296 | |
mbed_official | 181:a4cbdfbbd2f4 | 3297 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3298 | * @brief DMA I2C slave receive process complete callback. |
mbed_official | 181:a4cbdfbbd2f4 | 3299 | * @param hdma: DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 3300 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3301 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3302 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 3303 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3304 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 3305 | |
mbed_official | 181:a4cbdfbbd2f4 | 3306 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3307 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3308 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3309 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3310 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3311 | |
mbed_official | 181:a4cbdfbbd2f4 | 3312 | /* Clear STOPF flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3313 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3314 | |
mbed_official | 181:a4cbdfbbd2f4 | 3315 | /* Wait until BUSY flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3316 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_BUSY) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3317 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3318 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3319 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3320 | |
mbed_official | 181:a4cbdfbbd2f4 | 3321 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3322 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3323 | |
mbed_official | 181:a4cbdfbbd2f4 | 3324 | /* Disable Address Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 3325 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 3326 | |
mbed_official | 181:a4cbdfbbd2f4 | 3327 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3328 | |
mbed_official | 181:a4cbdfbbd2f4 | 3329 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3330 | |
mbed_official | 181:a4cbdfbbd2f4 | 3331 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3332 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3333 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3334 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3335 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3336 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3337 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3338 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3339 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3340 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3341 | |
mbed_official | 181:a4cbdfbbd2f4 | 3342 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3343 | * @brief DMA I2C Memory Write process complete callback |
mbed_official | 181:a4cbdfbbd2f4 | 3344 | * @param hdma : DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 3345 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3346 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3347 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 3348 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3349 | uint16_t DevAddress; |
mbed_official | 181:a4cbdfbbd2f4 | 3350 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 3351 | |
mbed_official | 181:a4cbdfbbd2f4 | 3352 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 181:a4cbdfbbd2f4 | 3353 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3354 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3355 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3356 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3357 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3358 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3359 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3360 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3361 | |
mbed_official | 181:a4cbdfbbd2f4 | 3362 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3363 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3364 | |
mbed_official | 181:a4cbdfbbd2f4 | 3365 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3366 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3367 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3368 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3369 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3370 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3371 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3372 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3373 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3374 | |
mbed_official | 181:a4cbdfbbd2f4 | 3375 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3376 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3377 | |
mbed_official | 181:a4cbdfbbd2f4 | 3378 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3379 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3380 | |
mbed_official | 181:a4cbdfbbd2f4 | 3381 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3382 | |
mbed_official | 181:a4cbdfbbd2f4 | 3383 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3384 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3385 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3386 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3387 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3388 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3389 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3390 | if(hi2c->XferCount > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 3391 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3392 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 3393 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3394 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3395 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3396 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 181:a4cbdfbbd2f4 | 3397 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3398 | |
mbed_official | 181:a4cbdfbbd2f4 | 3399 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 181:a4cbdfbbd2f4 | 3400 | |
mbed_official | 181:a4cbdfbbd2f4 | 3401 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 3402 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)hi2c->pBuffPtr, (uint32_t)&hi2c->Instance->TXDR, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 3403 | |
mbed_official | 181:a4cbdfbbd2f4 | 3404 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 3405 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3406 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3407 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3408 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3409 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3410 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3411 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3412 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3413 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3414 | |
mbed_official | 181:a4cbdfbbd2f4 | 3415 | /* Wait until TXIS flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3416 | if(I2C_WaitOnTXISFlagUntilTimeout(hi2c, I2C_TIMEOUT_TXIS) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3417 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3418 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3419 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3420 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3421 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3422 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3423 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3424 | |
mbed_official | 181:a4cbdfbbd2f4 | 3425 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3426 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3427 | |
mbed_official | 181:a4cbdfbbd2f4 | 3428 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3429 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3430 | |
mbed_official | 181:a4cbdfbbd2f4 | 3431 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3432 | |
mbed_official | 181:a4cbdfbbd2f4 | 3433 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3434 | |
mbed_official | 181:a4cbdfbbd2f4 | 3435 | |
mbed_official | 181:a4cbdfbbd2f4 | 3436 | |
mbed_official | 181:a4cbdfbbd2f4 | 3437 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3438 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3439 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3440 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3441 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3442 | hi2c->Instance->CR1 |= I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3443 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3444 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3445 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3446 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3447 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3448 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3449 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3450 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3451 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3452 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3453 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3454 | |
mbed_official | 181:a4cbdfbbd2f4 | 3455 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3456 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3457 | |
mbed_official | 181:a4cbdfbbd2f4 | 3458 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3459 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3460 | |
mbed_official | 181:a4cbdfbbd2f4 | 3461 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3462 | hi2c->Instance->CR1 &= ~I2C_CR1_TXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3463 | |
mbed_official | 181:a4cbdfbbd2f4 | 3464 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3465 | |
mbed_official | 181:a4cbdfbbd2f4 | 3466 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3467 | |
mbed_official | 181:a4cbdfbbd2f4 | 3468 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3469 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3470 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3471 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3472 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3473 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3474 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3475 | HAL_I2C_MemTxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3476 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3477 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3478 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3479 | |
mbed_official | 181:a4cbdfbbd2f4 | 3480 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3481 | * @brief DMA I2C Memory Read process complete callback |
mbed_official | 181:a4cbdfbbd2f4 | 3482 | * @param hdma: DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 3483 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3484 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3485 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 3486 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3487 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 3488 | uint16_t DevAddress; |
mbed_official | 181:a4cbdfbbd2f4 | 3489 | |
mbed_official | 181:a4cbdfbbd2f4 | 3490 | /* Check if last DMA request was done with RELOAD */ |
mbed_official | 181:a4cbdfbbd2f4 | 3491 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3492 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3493 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3494 | /* Wait until TCR flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3495 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TCR, RESET, I2C_TIMEOUT_TCR) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3496 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3497 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3498 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3499 | |
mbed_official | 181:a4cbdfbbd2f4 | 3500 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3501 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3502 | |
mbed_official | 181:a4cbdfbbd2f4 | 3503 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3504 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3505 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3506 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3507 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3508 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3509 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3510 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3511 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3512 | |
mbed_official | 181:a4cbdfbbd2f4 | 3513 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3514 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3515 | |
mbed_official | 181:a4cbdfbbd2f4 | 3516 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3517 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3518 | |
mbed_official | 181:a4cbdfbbd2f4 | 3519 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3520 | |
mbed_official | 181:a4cbdfbbd2f4 | 3521 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3522 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3523 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3524 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3525 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3526 | hi2c->pBuffPtr += hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3527 | hi2c->XferCount -= hi2c->XferSize; |
mbed_official | 181:a4cbdfbbd2f4 | 3528 | if(hi2c->XferCount > 255) |
mbed_official | 181:a4cbdfbbd2f4 | 3529 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3530 | hi2c->XferSize = 255; |
mbed_official | 181:a4cbdfbbd2f4 | 3531 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3532 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3533 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3534 | hi2c->XferSize = hi2c->XferCount; |
mbed_official | 181:a4cbdfbbd2f4 | 3535 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3536 | |
mbed_official | 181:a4cbdfbbd2f4 | 3537 | DevAddress = (hi2c->Instance->CR2 & I2C_CR2_SADD); |
mbed_official | 181:a4cbdfbbd2f4 | 3538 | |
mbed_official | 181:a4cbdfbbd2f4 | 3539 | /* Enable the DMA Stream */ |
mbed_official | 181:a4cbdfbbd2f4 | 3540 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->RXDR, (uint32_t)hi2c->pBuffPtr, hi2c->XferSize); |
mbed_official | 181:a4cbdfbbd2f4 | 3541 | |
mbed_official | 181:a4cbdfbbd2f4 | 3542 | /* Send Slave Address */ |
mbed_official | 181:a4cbdfbbd2f4 | 3543 | /* Set NBYTES to write and reload if size > 255 and generate RESTART */ |
mbed_official | 181:a4cbdfbbd2f4 | 3544 | if( (hi2c->XferSize == 255) && (hi2c->XferSize < hi2c->XferCount) ) |
mbed_official | 181:a4cbdfbbd2f4 | 3545 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3546 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_RELOAD_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3547 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3548 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3549 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3550 | I2C_TransferConfig(hi2c,DevAddress,hi2c->XferSize, I2C_AUTOEND_MODE, I2C_NO_STARTSTOP); |
mbed_official | 181:a4cbdfbbd2f4 | 3551 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3552 | |
mbed_official | 181:a4cbdfbbd2f4 | 3553 | /* Wait until RXNE flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3554 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, I2C_TIMEOUT_RXNE) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3555 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3556 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3557 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3558 | |
mbed_official | 181:a4cbdfbbd2f4 | 3559 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3560 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3561 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3562 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3563 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3564 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3565 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3566 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3567 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3568 | |
mbed_official | 181:a4cbdfbbd2f4 | 3569 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3570 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3571 | |
mbed_official | 181:a4cbdfbbd2f4 | 3572 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3573 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3574 | |
mbed_official | 181:a4cbdfbbd2f4 | 3575 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3576 | |
mbed_official | 181:a4cbdfbbd2f4 | 3577 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3578 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3579 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3580 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3581 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3582 | /* Enable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3583 | hi2c->Instance->CR1 |= I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3584 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3585 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3586 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3587 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3588 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3589 | /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ |
mbed_official | 181:a4cbdfbbd2f4 | 3590 | /* Wait until STOPF flag is reset */ |
mbed_official | 181:a4cbdfbbd2f4 | 3591 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_STOPF) != HAL_OK) |
mbed_official | 181:a4cbdfbbd2f4 | 3592 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3593 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3594 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3595 | |
mbed_official | 181:a4cbdfbbd2f4 | 3596 | /* Clear STOP Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3597 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_STOPF); |
mbed_official | 181:a4cbdfbbd2f4 | 3598 | |
mbed_official | 181:a4cbdfbbd2f4 | 3599 | /* Clear Configuration Register 2 */ |
mbed_official | 181:a4cbdfbbd2f4 | 3600 | __HAL_I2C_RESET_CR2(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3601 | |
mbed_official | 181:a4cbdfbbd2f4 | 3602 | /* Disable DMA Request */ |
mbed_official | 181:a4cbdfbbd2f4 | 3603 | hi2c->Instance->CR1 &= ~I2C_CR1_RXDMAEN; |
mbed_official | 181:a4cbdfbbd2f4 | 3604 | |
mbed_official | 181:a4cbdfbbd2f4 | 3605 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3606 | |
mbed_official | 181:a4cbdfbbd2f4 | 3607 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3608 | |
mbed_official | 181:a4cbdfbbd2f4 | 3609 | /* Check if Errors has been detected during transfer */ |
mbed_official | 181:a4cbdfbbd2f4 | 3610 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
mbed_official | 181:a4cbdfbbd2f4 | 3611 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3612 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3613 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3614 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3615 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3616 | HAL_I2C_MemRxCpltCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3617 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3618 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3619 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3620 | |
mbed_official | 181:a4cbdfbbd2f4 | 3621 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3622 | * @brief DMA I2C communication error callback. |
mbed_official | 181:a4cbdfbbd2f4 | 3623 | * @param hdma : DMA handle |
mbed_official | 181:a4cbdfbbd2f4 | 3624 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3625 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3626 | static void I2C_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 181:a4cbdfbbd2f4 | 3627 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3628 | I2C_HandleTypeDef* hi2c = ( I2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 181:a4cbdfbbd2f4 | 3629 | |
mbed_official | 181:a4cbdfbbd2f4 | 3630 | /* Disable Acknowledge */ |
mbed_official | 181:a4cbdfbbd2f4 | 3631 | hi2c->Instance->CR2 |= I2C_CR2_NACK; |
mbed_official | 181:a4cbdfbbd2f4 | 3632 | |
mbed_official | 181:a4cbdfbbd2f4 | 3633 | hi2c->XferCount = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3634 | |
mbed_official | 181:a4cbdfbbd2f4 | 3635 | hi2c->State = HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3636 | |
mbed_official | 181:a4cbdfbbd2f4 | 3637 | hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; |
mbed_official | 181:a4cbdfbbd2f4 | 3638 | |
mbed_official | 181:a4cbdfbbd2f4 | 3639 | HAL_I2C_ErrorCallback(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3640 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3641 | |
mbed_official | 181:a4cbdfbbd2f4 | 3642 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3643 | * @brief This function handles I2C Communication Timeout. |
mbed_official | 181:a4cbdfbbd2f4 | 3644 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 3645 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 3646 | * @param Flag: specifies the I2C flag to check. |
mbed_official | 181:a4cbdfbbd2f4 | 3647 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 181:a4cbdfbbd2f4 | 3648 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 3649 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 3650 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3651 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 3652 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3653 | uint32_t tickstart = 0x00; |
mbed_official | 181:a4cbdfbbd2f4 | 3654 | tickstart = HAL_GetTick(); |
mbed_official | 181:a4cbdfbbd2f4 | 3655 | |
mbed_official | 181:a4cbdfbbd2f4 | 3656 | /* Wait until flag is set */ |
mbed_official | 181:a4cbdfbbd2f4 | 3657 | if(Status == RESET) |
mbed_official | 181:a4cbdfbbd2f4 | 3658 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3659 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET) |
mbed_official | 181:a4cbdfbbd2f4 | 3660 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3661 | /* Check for the Timeout */ |
mbed_official | 181:a4cbdfbbd2f4 | 3662 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 181:a4cbdfbbd2f4 | 3663 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3664 | if((HAL_GetTick() - tickstart ) > Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 3665 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3666 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3667 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 3668 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3669 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3670 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3671 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3672 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3673 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3674 | else |
mbed_official | 181:a4cbdfbbd2f4 | 3675 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3676 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) != RESET) |
mbed_official | 181:a4cbdfbbd2f4 | 3677 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3678 | /* Check for the Timeout */ |
mbed_official | 181:a4cbdfbbd2f4 | 3679 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 181:a4cbdfbbd2f4 | 3680 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3681 | if((HAL_GetTick() - tickstart ) > Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 3682 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3683 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3684 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 3685 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3686 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3687 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3688 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3689 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3690 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3691 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 3692 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3693 | |
mbed_official | 181:a4cbdfbbd2f4 | 3694 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3695 | * @brief This function handles I2C Communication Timeout for specific usage of TXIS flag. |
mbed_official | 181:a4cbdfbbd2f4 | 3696 | * @param hi2c : Pointer to a I2C_HandleTypeDef structure that contains |
mbed_official | 181:a4cbdfbbd2f4 | 3697 | * the configuration information for the specified I2C. |
mbed_official | 181:a4cbdfbbd2f4 | 3698 | * @param Timeout: Timeout duration |
mbed_official | 181:a4cbdfbbd2f4 | 3699 | * @retval HAL status |
mbed_official | 181:a4cbdfbbd2f4 | 3700 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3701 | static HAL_StatusTypeDef I2C_WaitOnTXISFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 3702 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3703 | uint32_t tickstart = 0x00; |
mbed_official | 181:a4cbdfbbd2f4 | 3704 | tickstart = HAL_GetTick(); |
mbed_official | 181:a4cbdfbbd2f4 | 3705 | |
mbed_official | 181:a4cbdfbbd2f4 | 3706 | while(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXIS) == RESET) |
mbed_official | 181:a4cbdfbbd2f4 | 3707 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3708 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
mbed_official | 181:a4cbdfbbd2f4 | 3709 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3710 | /* Clear NACKF Flag */ |
mbed_official | 181:a4cbdfbbd2f4 | 3711 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
mbed_official | 181:a4cbdfbbd2f4 | 3712 | |
mbed_official | 181:a4cbdfbbd2f4 | 3713 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
mbed_official | 181:a4cbdfbbd2f4 | 3714 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3715 | |
mbed_official | 181:a4cbdfbbd2f4 | 3716 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 3717 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3718 | |
mbed_official | 181:a4cbdfbbd2f4 | 3719 | return HAL_ERROR; |
mbed_official | 181:a4cbdfbbd2f4 | 3720 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3721 | |
mbed_official | 181:a4cbdfbbd2f4 | 3722 | /* Check for the Timeout */ |
mbed_official | 181:a4cbdfbbd2f4 | 3723 | if((HAL_GetTick() - tickstart ) > Timeout) |
mbed_official | 181:a4cbdfbbd2f4 | 3724 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3725 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3726 | hi2c->State= HAL_I2C_STATE_READY; |
mbed_official | 181:a4cbdfbbd2f4 | 3727 | |
mbed_official | 181:a4cbdfbbd2f4 | 3728 | /* Process Unlocked */ |
mbed_official | 181:a4cbdfbbd2f4 | 3729 | __HAL_UNLOCK(hi2c); |
mbed_official | 181:a4cbdfbbd2f4 | 3730 | |
mbed_official | 181:a4cbdfbbd2f4 | 3731 | return HAL_TIMEOUT; |
mbed_official | 181:a4cbdfbbd2f4 | 3732 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3733 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3734 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 3735 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3736 | |
mbed_official | 181:a4cbdfbbd2f4 | 3737 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3738 | * @brief Handles I2Cx communication when starting transfer or during transfer (TC or TCR flag are set). |
mbed_official | 181:a4cbdfbbd2f4 | 3739 | * @param hi2c: I2C handle. |
mbed_official | 181:a4cbdfbbd2f4 | 3740 | * @param DevAddress: specifies the slave address to be programmed. |
mbed_official | 181:a4cbdfbbd2f4 | 3741 | * @param Size: specifies the number of bytes to be programmed. |
mbed_official | 181:a4cbdfbbd2f4 | 3742 | * This parameter must be a value between 0 and 255. |
mbed_official | 181:a4cbdfbbd2f4 | 3743 | * @param Mode: new state of the I2C START condition generation. |
mbed_official | 181:a4cbdfbbd2f4 | 3744 | * This parameter can be one of the following values: |
mbed_official | 181:a4cbdfbbd2f4 | 3745 | * @arg I2C_RELOAD_MODE: Enable Reload mode . |
mbed_official | 181:a4cbdfbbd2f4 | 3746 | * @arg I2C_AUTOEND_MODE: Enable Automatic end mode. |
mbed_official | 181:a4cbdfbbd2f4 | 3747 | * @arg I2C_SOFTEND_MODE: Enable Software end mode. |
mbed_official | 181:a4cbdfbbd2f4 | 3748 | * @param Request: new state of the I2C START condition generation. |
mbed_official | 181:a4cbdfbbd2f4 | 3749 | * This parameter can be one of the following values: |
mbed_official | 181:a4cbdfbbd2f4 | 3750 | * @arg I2C_NO_STARTSTOP: Don't Generate stop and start condition. |
mbed_official | 181:a4cbdfbbd2f4 | 3751 | * @arg I2C_GENERATE_STOP: Generate stop condition (Size should be set to 0). |
mbed_official | 181:a4cbdfbbd2f4 | 3752 | * @arg I2C_GENERATE_START_READ: Generate Restart for read request. |
mbed_official | 181:a4cbdfbbd2f4 | 3753 | * @arg I2C_GENERATE_START_WRITE: Generate Restart for write request. |
mbed_official | 181:a4cbdfbbd2f4 | 3754 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 3755 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3756 | static void I2C_TransferConfig(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request) |
mbed_official | 181:a4cbdfbbd2f4 | 3757 | { |
mbed_official | 181:a4cbdfbbd2f4 | 3758 | uint32_t tmpreg = 0; |
mbed_official | 181:a4cbdfbbd2f4 | 3759 | |
mbed_official | 181:a4cbdfbbd2f4 | 3760 | /* Check the parameters */ |
mbed_official | 181:a4cbdfbbd2f4 | 3761 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
mbed_official | 181:a4cbdfbbd2f4 | 3762 | assert_param(IS_TRANSFER_MODE(Mode)); |
mbed_official | 181:a4cbdfbbd2f4 | 3763 | assert_param(IS_TRANSFER_REQUEST(Request)); |
mbed_official | 181:a4cbdfbbd2f4 | 3764 | |
mbed_official | 181:a4cbdfbbd2f4 | 3765 | /* Get the CR2 register value */ |
mbed_official | 181:a4cbdfbbd2f4 | 3766 | tmpreg = hi2c->Instance->CR2; |
mbed_official | 181:a4cbdfbbd2f4 | 3767 | |
mbed_official | 181:a4cbdfbbd2f4 | 3768 | /* clear tmpreg specific bits */ |
mbed_official | 181:a4cbdfbbd2f4 | 3769 | 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 | 181:a4cbdfbbd2f4 | 3770 | |
mbed_official | 181:a4cbdfbbd2f4 | 3771 | /* update tmpreg */ |
mbed_official | 181:a4cbdfbbd2f4 | 3772 | tmpreg |= (uint32_t)(((uint32_t)DevAddress & I2C_CR2_SADD) | (((uint32_t)Size << 16 ) & I2C_CR2_NBYTES) | \ |
mbed_official | 181:a4cbdfbbd2f4 | 3773 | (uint32_t)Mode | (uint32_t)Request); |
mbed_official | 181:a4cbdfbbd2f4 | 3774 | |
mbed_official | 181:a4cbdfbbd2f4 | 3775 | /* update CR2 register */ |
mbed_official | 181:a4cbdfbbd2f4 | 3776 | hi2c->Instance->CR2 = tmpreg; |
mbed_official | 181:a4cbdfbbd2f4 | 3777 | } |
mbed_official | 181:a4cbdfbbd2f4 | 3778 | |
mbed_official | 181:a4cbdfbbd2f4 | 3779 | |
mbed_official | 181:a4cbdfbbd2f4 | 3780 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3781 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 3782 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3783 | |
mbed_official | 181:a4cbdfbbd2f4 | 3784 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3785 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 3786 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3787 | |
mbed_official | 181:a4cbdfbbd2f4 | 3788 | #endif /* HAL_I2C_MODULE_ENABLED */ |
mbed_official | 181:a4cbdfbbd2f4 | 3789 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3790 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 3791 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3792 | |
mbed_official | 181:a4cbdfbbd2f4 | 3793 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 3794 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 3795 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 3796 | |
mbed_official | 181:a4cbdfbbd2f4 | 3797 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |