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targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_i2c.c@590:0835b0fc9a03, 2015-07-14 (annotated)
- Committer:
- SteveKim
- Date:
- Tue Jul 14 10:20:51 2015 +0000
- Revision:
- 590:0835b0fc9a03
- Parent:
- 394:83f921546702
.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 354:e67efb2aab0e | 1 | /** |
| mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
| mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_i2c.c |
| mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
| mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
| mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
| mbed_official | 354:e67efb2aab0e | 7 | * @brief I2C HAL module driver. |
| mbed_official | 354:e67efb2aab0e | 8 | * This file provides firmware functions to manage the following |
| mbed_official | 354:e67efb2aab0e | 9 | * functionalities of the Inter Integrated Circuit (I2C) peripheral: |
| mbed_official | 354:e67efb2aab0e | 10 | * + Initialization and de-initialization functions |
| mbed_official | 354:e67efb2aab0e | 11 | * + IO operation functions |
| mbed_official | 354:e67efb2aab0e | 12 | * + Peripheral Control functions |
| mbed_official | 354:e67efb2aab0e | 13 | * + Peripheral State functions |
| mbed_official | 354:e67efb2aab0e | 14 | * |
| mbed_official | 354:e67efb2aab0e | 15 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 16 | ============================================================================== |
| mbed_official | 354:e67efb2aab0e | 17 | ##### How to use this driver ##### |
| mbed_official | 354:e67efb2aab0e | 18 | ============================================================================== |
| mbed_official | 354:e67efb2aab0e | 19 | [..] |
| mbed_official | 354:e67efb2aab0e | 20 | The I2C HAL driver can be used as follows: |
| mbed_official | 354:e67efb2aab0e | 21 | |
| mbed_official | 354:e67efb2aab0e | 22 | (#) Declare a I2C_HandleTypeDef handle structure, for example: |
| mbed_official | 354:e67efb2aab0e | 23 | I2C_HandleTypeDef hi2c; |
| mbed_official | 354:e67efb2aab0e | 24 | |
| mbed_official | 354:e67efb2aab0e | 25 | (#)Initialize the I2C low level resources by implement the HAL_I2C_MspInit() API: |
| mbed_official | 354:e67efb2aab0e | 26 | (##) Enable the I2Cx interface clock |
| mbed_official | 354:e67efb2aab0e | 27 | (##) I2C pins configuration |
| mbed_official | 354:e67efb2aab0e | 28 | (+++) Enable the clock for the I2C GPIOs |
| mbed_official | 354:e67efb2aab0e | 29 | (+++) Configure I2C pins as alternate function open-drain |
| mbed_official | 354:e67efb2aab0e | 30 | (##) NVIC configuration if you need to use interrupt process |
| mbed_official | 354:e67efb2aab0e | 31 | (+++) Configure the I2Cx interrupt priority |
| mbed_official | 354:e67efb2aab0e | 32 | (+++) Enable the NVIC I2C IRQ Channel |
| mbed_official | 354:e67efb2aab0e | 33 | (##) DMA Configuration if you need to use DMA process |
| mbed_official | 354:e67efb2aab0e | 34 | (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive channel |
| mbed_official | 354:e67efb2aab0e | 35 | (+++) Enable the DMAx interface clock using |
| mbed_official | 354:e67efb2aab0e | 36 | (+++) Configure the DMA handle parameters |
| mbed_official | 354:e67efb2aab0e | 37 | (+++) Configure the DMA Tx or Rx Channel |
| mbed_official | 354:e67efb2aab0e | 38 | (+++) Associate the initilalized DMA handle to the hi2c DMA Tx or Rx handle |
| mbed_official | 354:e67efb2aab0e | 39 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on |
| mbed_official | 354:e67efb2aab0e | 40 | the DMA Tx or Rx Channel |
| mbed_official | 354:e67efb2aab0e | 41 | |
| mbed_official | 354:e67efb2aab0e | 42 | (#) Configure the Communication Speed, Duty cycle, Addressing mode, Own Address1, |
| mbed_official | 354:e67efb2aab0e | 43 | Dual Addressing mode, Own Address2, General call and Nostretch mode in the hi2c Init structure. |
| mbed_official | 354:e67efb2aab0e | 44 | |
| mbed_official | 354:e67efb2aab0e | 45 | (#) Initialize the I2C registers by calling the HAL_I2C_Init(), configures also the low level Hardware |
| mbed_official | 354:e67efb2aab0e | 46 | (GPIO, CLOCK, NVIC...etc) by calling the customed HAL_I2C_MspInit(&hi2c) API. |
| mbed_official | 354:e67efb2aab0e | 47 | |
| mbed_official | 354:e67efb2aab0e | 48 | (#) To check if target device is ready for communication, use the function HAL_I2C_IsDeviceReady() |
| mbed_official | 354:e67efb2aab0e | 49 | |
| mbed_official | 354:e67efb2aab0e | 50 | (#) For I2C IO and IO MEM operations, three operation modes are available within this driver : |
| mbed_official | 354:e67efb2aab0e | 51 | |
| mbed_official | 354:e67efb2aab0e | 52 | *** Polling mode IO operation *** |
| mbed_official | 354:e67efb2aab0e | 53 | ================================= |
| mbed_official | 354:e67efb2aab0e | 54 | [..] |
| mbed_official | 354:e67efb2aab0e | 55 | (+) Transmit in master mode an amount of data in blocking mode using HAL_I2C_Master_Transmit() |
| mbed_official | 354:e67efb2aab0e | 56 | (+) Receive in master mode an amount of data in blocking mode using HAL_I2C_Master_Receive() |
| mbed_official | 354:e67efb2aab0e | 57 | (+) Transmit in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Transmit() |
| mbed_official | 354:e67efb2aab0e | 58 | (+) Receive in slave mode an amount of data in blocking mode using HAL_I2C_Slave_Receive() |
| mbed_official | 354:e67efb2aab0e | 59 | |
| mbed_official | 354:e67efb2aab0e | 60 | *** Polling mode IO MEM operation *** |
| mbed_official | 354:e67efb2aab0e | 61 | ===================================== |
| mbed_official | 354:e67efb2aab0e | 62 | [..] |
| mbed_official | 354:e67efb2aab0e | 63 | (+) Write an amount of data in blocking mode to a specific memory address using HAL_I2C_Mem_Write() |
| mbed_official | 354:e67efb2aab0e | 64 | (+) Read an amount of data in blocking mode from a specific memory address using HAL_I2C_Mem_Read() |
| mbed_official | 354:e67efb2aab0e | 65 | |
| mbed_official | 354:e67efb2aab0e | 66 | |
| mbed_official | 354:e67efb2aab0e | 67 | *** Interrupt mode IO operation *** |
| mbed_official | 354:e67efb2aab0e | 68 | =================================== |
| mbed_official | 354:e67efb2aab0e | 69 | [..] |
| mbed_official | 354:e67efb2aab0e | 70 | (+) Transmit in master mode an amount of data in non blocking mode using HAL_I2C_Master_Transmit_IT() |
| mbed_official | 354:e67efb2aab0e | 71 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 72 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 73 | (+) Receive in master mode an amount of data in non blocking mode using HAL_I2C_Master_Receive_IT() |
| mbed_official | 354:e67efb2aab0e | 74 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 75 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 76 | (+) Transmit in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Transmit_IT() |
| mbed_official | 354:e67efb2aab0e | 77 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 78 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 79 | (+) Receive in slave mode an amount of data in non blocking mode using HAL_I2C_Slave_Receive_IT() |
| mbed_official | 354:e67efb2aab0e | 80 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 81 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 82 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
| mbed_official | 354:e67efb2aab0e | 83 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
| mbed_official | 354:e67efb2aab0e | 84 | |
| mbed_official | 354:e67efb2aab0e | 85 | *** Interrupt mode IO MEM operation *** |
| mbed_official | 354:e67efb2aab0e | 86 | ======================================= |
| mbed_official | 354:e67efb2aab0e | 87 | [..] |
| mbed_official | 354:e67efb2aab0e | 88 | (+) Write an amount of data in no-blocking mode with Interrupt to a specific memory address using |
| mbed_official | 354:e67efb2aab0e | 89 | HAL_I2C_Mem_Write_IT() |
| mbed_official | 354:e67efb2aab0e | 90 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 91 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 92 | (+) Read an amount of data in no-blocking mode with Interrupt from a specific memory address using |
| mbed_official | 354:e67efb2aab0e | 93 | HAL_I2C_Mem_Read_IT() |
| mbed_official | 354:e67efb2aab0e | 94 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 95 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 96 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
| mbed_official | 354:e67efb2aab0e | 97 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
| mbed_official | 354:e67efb2aab0e | 98 | |
| mbed_official | 354:e67efb2aab0e | 99 | *** DMA mode IO operation *** |
| mbed_official | 354:e67efb2aab0e | 100 | ============================== |
| mbed_official | 354:e67efb2aab0e | 101 | [..] |
| mbed_official | 354:e67efb2aab0e | 102 | (+) Transmit in master mode an amount of data in non blocking mode (DMA) using |
| mbed_official | 354:e67efb2aab0e | 103 | HAL_I2C_Master_Transmit_DMA() |
| mbed_official | 354:e67efb2aab0e | 104 | (+) At transmission end of transfer HAL_I2C_MasterTxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 105 | add his own code by customization of function pointer HAL_I2C_MasterTxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 106 | (+) Receive in master mode an amount of data in non blocking mode (DMA) using |
| mbed_official | 354:e67efb2aab0e | 107 | HAL_I2C_Master_Receive_DMA() |
| mbed_official | 354:e67efb2aab0e | 108 | (+) At reception end of transfer HAL_I2C_MasterRxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 109 | add his own code by customization of function pointer HAL_I2C_MasterRxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 110 | (+) Transmit in slave mode an amount of data in non blocking mode (DMA) using |
| mbed_official | 354:e67efb2aab0e | 111 | HAL_I2C_Slave_Transmit_DMA() |
| mbed_official | 354:e67efb2aab0e | 112 | (+) At transmission end of transfer HAL_I2C_SlaveTxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 113 | add his own code by customization of function pointer HAL_I2C_SlaveTxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 114 | (+) Receive in slave mode an amount of data in non blocking mode (DMA) using |
| mbed_official | 354:e67efb2aab0e | 115 | HAL_I2C_Slave_Receive_DMA() |
| mbed_official | 354:e67efb2aab0e | 116 | (+) At reception end of transfer HAL_I2C_SlaveRxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 117 | add his own code by customization of function pointer HAL_I2C_SlaveRxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 118 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
| mbed_official | 354:e67efb2aab0e | 119 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
| mbed_official | 354:e67efb2aab0e | 120 | |
| mbed_official | 354:e67efb2aab0e | 121 | *** DMA mode IO MEM operation *** |
| mbed_official | 354:e67efb2aab0e | 122 | ================================= |
| mbed_official | 354:e67efb2aab0e | 123 | [..] |
| mbed_official | 354:e67efb2aab0e | 124 | (+) Write an amount of data in no-blocking mode with DMA to a specific memory address using |
| mbed_official | 354:e67efb2aab0e | 125 | HAL_I2C_Mem_Write_DMA() |
| mbed_official | 354:e67efb2aab0e | 126 | (+) At MEM end of write transfer HAL_I2C_MemTxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 127 | add his own code by customization of function pointer HAL_I2C_MemTxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 128 | (+) Read an amount of data in no-blocking mode with DMA from a specific memory address using |
| mbed_official | 354:e67efb2aab0e | 129 | HAL_I2C_Mem_Read_DMA() |
| mbed_official | 354:e67efb2aab0e | 130 | (+) At MEM end of read transfer HAL_I2C_MemRxCpltCallback is executed and user can |
| mbed_official | 354:e67efb2aab0e | 131 | add his own code by customization of function pointer HAL_I2C_MemRxCpltCallback |
| mbed_official | 354:e67efb2aab0e | 132 | (+) In case of transfer Error, HAL_I2C_ErrorCallback() function is executed and user can |
| mbed_official | 354:e67efb2aab0e | 133 | add his own code by customization of function pointer HAL_I2C_ErrorCallback |
| mbed_official | 354:e67efb2aab0e | 134 | |
| mbed_official | 354:e67efb2aab0e | 135 | |
| mbed_official | 354:e67efb2aab0e | 136 | *** I2C HAL driver macros list *** |
| mbed_official | 354:e67efb2aab0e | 137 | ================================== |
| mbed_official | 354:e67efb2aab0e | 138 | [..] |
| mbed_official | 354:e67efb2aab0e | 139 | Below the list of most used macros in I2C HAL driver. |
| mbed_official | 354:e67efb2aab0e | 140 | |
| mbed_official | 354:e67efb2aab0e | 141 | (+) __HAL_I2C_ENABLE: Enable the I2C peripheral |
| mbed_official | 354:e67efb2aab0e | 142 | (+) __HAL_I2C_DISABLE: Disable the I2C peripheral |
| mbed_official | 354:e67efb2aab0e | 143 | (+) __HAL_I2C_GET_FLAG : Checks whether the specified I2C flag is set or not |
| mbed_official | 354:e67efb2aab0e | 144 | (+) __HAL_I2C_CLEAR_FLAG : Clear the specified I2C pending flag |
| mbed_official | 354:e67efb2aab0e | 145 | (+) __HAL_I2C_ENABLE_IT: Enable the specified I2C interrupt |
| mbed_official | 354:e67efb2aab0e | 146 | (+) __HAL_I2C_DISABLE_IT: Disable the specified I2C interrupt |
| mbed_official | 354:e67efb2aab0e | 147 | |
| mbed_official | 354:e67efb2aab0e | 148 | [..] |
| mbed_official | 354:e67efb2aab0e | 149 | (@) You can refer to the I2C HAL driver header file for more useful macros |
| mbed_official | 354:e67efb2aab0e | 150 | |
| mbed_official | 354:e67efb2aab0e | 151 | |
| mbed_official | 354:e67efb2aab0e | 152 | @endverbatim |
| mbed_official | 354:e67efb2aab0e | 153 | ****************************************************************************** |
| mbed_official | 354:e67efb2aab0e | 154 | * @attention |
| mbed_official | 354:e67efb2aab0e | 155 | * |
| mbed_official | 354:e67efb2aab0e | 156 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
| mbed_official | 354:e67efb2aab0e | 157 | * |
| mbed_official | 354:e67efb2aab0e | 158 | * Redistribution and use in source and binary forms, with or without modification, |
| mbed_official | 354:e67efb2aab0e | 159 | * are permitted provided that the following conditions are met: |
| mbed_official | 354:e67efb2aab0e | 160 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 354:e67efb2aab0e | 161 | * this list of conditions and the following disclaimer. |
| mbed_official | 354:e67efb2aab0e | 162 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 354:e67efb2aab0e | 163 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 354:e67efb2aab0e | 164 | * and/or other materials provided with the distribution. |
| mbed_official | 354:e67efb2aab0e | 165 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 354:e67efb2aab0e | 166 | * may be used to endorse or promote products derived from this software |
| mbed_official | 354:e67efb2aab0e | 167 | * without specific prior written permission. |
| mbed_official | 354:e67efb2aab0e | 168 | * |
| mbed_official | 354:e67efb2aab0e | 169 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 354:e67efb2aab0e | 170 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 354:e67efb2aab0e | 171 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 354:e67efb2aab0e | 172 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 354:e67efb2aab0e | 173 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 354:e67efb2aab0e | 174 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 354:e67efb2aab0e | 175 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 354:e67efb2aab0e | 176 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 354:e67efb2aab0e | 177 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 354:e67efb2aab0e | 178 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 354:e67efb2aab0e | 179 | * |
| mbed_official | 354:e67efb2aab0e | 180 | ****************************************************************************** |
| mbed_official | 354:e67efb2aab0e | 181 | */ |
| mbed_official | 354:e67efb2aab0e | 182 | |
| mbed_official | 354:e67efb2aab0e | 183 | /* Includes ------------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 184 | #include "stm32l1xx_hal.h" |
| mbed_official | 354:e67efb2aab0e | 185 | |
| mbed_official | 354:e67efb2aab0e | 186 | /** @addtogroup STM32L1xx_HAL_Driver |
| mbed_official | 354:e67efb2aab0e | 187 | * @{ |
| mbed_official | 354:e67efb2aab0e | 188 | */ |
| mbed_official | 354:e67efb2aab0e | 189 | |
| mbed_official | 354:e67efb2aab0e | 190 | /** @defgroup I2C I2C |
| mbed_official | 354:e67efb2aab0e | 191 | * @brief I2C HAL module driver |
| mbed_official | 354:e67efb2aab0e | 192 | * @{ |
| mbed_official | 354:e67efb2aab0e | 193 | */ |
| mbed_official | 354:e67efb2aab0e | 194 | |
| mbed_official | 354:e67efb2aab0e | 195 | #ifdef HAL_I2C_MODULE_ENABLED |
| mbed_official | 354:e67efb2aab0e | 196 | |
| mbed_official | 354:e67efb2aab0e | 197 | /* Private typedef -----------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 198 | /* Private define ------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 199 | /** @defgroup I2C_Private_Constants I2C Private Constants |
| mbed_official | 354:e67efb2aab0e | 200 | * @{ |
| mbed_official | 354:e67efb2aab0e | 201 | */ |
| mbed_official | 354:e67efb2aab0e | 202 | #define I2C_TIMEOUT_FLAG ((uint32_t)35) /* 35 ms */ |
| mbed_official | 354:e67efb2aab0e | 203 | #define I2C_TIMEOUT_ADDR_SLAVE ((uint32_t)10000) /* 10 s */ |
| mbed_official | 354:e67efb2aab0e | 204 | |
| mbed_official | 354:e67efb2aab0e | 205 | #define I2C_MIN_PCLK_FREQ ((uint32_t)2000000) /* 2 MHz*/ |
| mbed_official | 354:e67efb2aab0e | 206 | /** |
| mbed_official | 354:e67efb2aab0e | 207 | * @} |
| mbed_official | 354:e67efb2aab0e | 208 | */ |
| mbed_official | 354:e67efb2aab0e | 209 | |
| mbed_official | 354:e67efb2aab0e | 210 | |
| mbed_official | 354:e67efb2aab0e | 211 | /* Private macro -------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 212 | /* Private variables ---------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 213 | /* Private function prototypes -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 214 | /** @defgroup I2C_Private_Functions I2C Private Functions |
| mbed_official | 354:e67efb2aab0e | 215 | * @{ |
| mbed_official | 354:e67efb2aab0e | 216 | */ |
| mbed_official | 354:e67efb2aab0e | 217 | |
| mbed_official | 354:e67efb2aab0e | 218 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 219 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 220 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 221 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 222 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 223 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 224 | static void I2C_DMAError(DMA_HandleTypeDef *hdma); |
| mbed_official | 354:e67efb2aab0e | 225 | |
| mbed_official | 354:e67efb2aab0e | 226 | static HAL_StatusTypeDef I2C_MasterRequestWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout); |
| mbed_official | 354:e67efb2aab0e | 227 | static HAL_StatusTypeDef I2C_MasterRequestRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout); |
| mbed_official | 354:e67efb2aab0e | 228 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
| mbed_official | 354:e67efb2aab0e | 229 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); |
| mbed_official | 354:e67efb2aab0e | 230 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
| mbed_official | 354:e67efb2aab0e | 231 | static HAL_StatusTypeDef I2C_WaitOnMasterAddressFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, uint32_t Timeout); |
| mbed_official | 354:e67efb2aab0e | 232 | |
| mbed_official | 354:e67efb2aab0e | 233 | static HAL_StatusTypeDef I2C_MasterTransmit_TXE(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 234 | static HAL_StatusTypeDef I2C_MasterTransmit_BTF(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 235 | static HAL_StatusTypeDef I2C_MasterReceive_RXNE(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 236 | static HAL_StatusTypeDef I2C_MasterReceive_BTF(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 237 | |
| mbed_official | 354:e67efb2aab0e | 238 | static HAL_StatusTypeDef I2C_SlaveTransmit_TXE(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 239 | static HAL_StatusTypeDef I2C_SlaveTransmit_BTF(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 240 | static HAL_StatusTypeDef I2C_SlaveReceive_RXNE(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 241 | static HAL_StatusTypeDef I2C_SlaveReceive_BTF(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 242 | static HAL_StatusTypeDef I2C_Slave_ADDR(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 243 | static HAL_StatusTypeDef I2C_Slave_STOPF(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 244 | static HAL_StatusTypeDef I2C_Slave_AF(I2C_HandleTypeDef *hi2c); |
| mbed_official | 354:e67efb2aab0e | 245 | /** |
| mbed_official | 354:e67efb2aab0e | 246 | * @} |
| mbed_official | 354:e67efb2aab0e | 247 | */ |
| mbed_official | 354:e67efb2aab0e | 248 | |
| mbed_official | 354:e67efb2aab0e | 249 | |
| mbed_official | 354:e67efb2aab0e | 250 | /* Exported functions ---------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 251 | |
| mbed_official | 354:e67efb2aab0e | 252 | /** @defgroup I2C_Exported_Functions I2C Exported Functions |
| mbed_official | 354:e67efb2aab0e | 253 | * @{ |
| mbed_official | 354:e67efb2aab0e | 254 | */ |
| mbed_official | 354:e67efb2aab0e | 255 | |
| mbed_official | 354:e67efb2aab0e | 256 | /** @defgroup I2C_Exported_Functions_Group1 Initialization and de-initialization functions |
| mbed_official | 354:e67efb2aab0e | 257 | * @brief Initialization and Configuration functions |
| mbed_official | 354:e67efb2aab0e | 258 | * |
| mbed_official | 354:e67efb2aab0e | 259 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 260 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 261 | ##### Initialization and de-initialization functions ##### |
| mbed_official | 354:e67efb2aab0e | 262 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 263 | [..] This subsection provides a set of functions allowing to initialize and |
| mbed_official | 354:e67efb2aab0e | 264 | de-initialiaze the I2Cx peripheral: |
| mbed_official | 354:e67efb2aab0e | 265 | |
| mbed_official | 354:e67efb2aab0e | 266 | (+) User must Implement HAL_I2C_MspInit() function in which he configures |
| mbed_official | 354:e67efb2aab0e | 267 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC). |
| mbed_official | 354:e67efb2aab0e | 268 | |
| mbed_official | 354:e67efb2aab0e | 269 | (+) Call the function HAL_I2C_Init() to configure the selected device with |
| mbed_official | 354:e67efb2aab0e | 270 | the selected configuration: |
| mbed_official | 354:e67efb2aab0e | 271 | (++) Communication Speed |
| mbed_official | 354:e67efb2aab0e | 272 | (++) Duty cycle |
| mbed_official | 354:e67efb2aab0e | 273 | (++) Addressing mode |
| mbed_official | 354:e67efb2aab0e | 274 | (++) Own Address 1 |
| mbed_official | 354:e67efb2aab0e | 275 | (++) Dual Addressing mode |
| mbed_official | 354:e67efb2aab0e | 276 | (++) Own Address 2 |
| mbed_official | 354:e67efb2aab0e | 277 | (++) General call mode |
| mbed_official | 354:e67efb2aab0e | 278 | (++) Nostretch mode |
| mbed_official | 354:e67efb2aab0e | 279 | |
| mbed_official | 354:e67efb2aab0e | 280 | (+) Call the function HAL_I2C_DeInit() to restore the default configuration |
| mbed_official | 354:e67efb2aab0e | 281 | of the selected I2Cx periperal. |
| mbed_official | 354:e67efb2aab0e | 282 | |
| mbed_official | 354:e67efb2aab0e | 283 | @endverbatim |
| mbed_official | 354:e67efb2aab0e | 284 | * @{ |
| mbed_official | 354:e67efb2aab0e | 285 | */ |
| mbed_official | 354:e67efb2aab0e | 286 | |
| mbed_official | 354:e67efb2aab0e | 287 | /** |
| mbed_official | 354:e67efb2aab0e | 288 | * @brief Initializes the I2C according to the specified parameters |
| mbed_official | 354:e67efb2aab0e | 289 | * in the I2C_InitTypeDef and create the associated handle. |
| mbed_official | 354:e67efb2aab0e | 290 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 291 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 292 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 293 | */ |
| mbed_official | 354:e67efb2aab0e | 294 | HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 295 | { |
| mbed_official | 354:e67efb2aab0e | 296 | uint32_t freqrange = 0; |
| mbed_official | 354:e67efb2aab0e | 297 | uint32_t pclk1 = 0; |
| mbed_official | 354:e67efb2aab0e | 298 | |
| mbed_official | 354:e67efb2aab0e | 299 | /* Check the I2C handle allocation */ |
| mbed_official | 354:e67efb2aab0e | 300 | if(hi2c == HAL_NULL) |
| mbed_official | 354:e67efb2aab0e | 301 | { |
| mbed_official | 354:e67efb2aab0e | 302 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 303 | } |
| mbed_official | 354:e67efb2aab0e | 304 | |
| mbed_official | 354:e67efb2aab0e | 305 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 306 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
| mbed_official | 354:e67efb2aab0e | 307 | assert_param(IS_I2C_CLOCK_SPEED(hi2c->Init.ClockSpeed)); |
| mbed_official | 354:e67efb2aab0e | 308 | assert_param(IS_I2C_DUTY_CYCLE(hi2c->Init.DutyCycle)); |
| mbed_official | 354:e67efb2aab0e | 309 | assert_param(IS_I2C_OWN_ADDRESS1(hi2c->Init.OwnAddress1)); |
| mbed_official | 354:e67efb2aab0e | 310 | assert_param(IS_I2C_ADDRESSING_MODE(hi2c->Init.AddressingMode)); |
| mbed_official | 354:e67efb2aab0e | 311 | assert_param(IS_I2C_DUAL_ADDRESS(hi2c->Init.DualAddressMode)); |
| mbed_official | 354:e67efb2aab0e | 312 | assert_param(IS_I2C_OWN_ADDRESS2(hi2c->Init.OwnAddress2)); |
| mbed_official | 354:e67efb2aab0e | 313 | assert_param(IS_I2C_GENERAL_CALL(hi2c->Init.GeneralCallMode)); |
| mbed_official | 354:e67efb2aab0e | 314 | assert_param(IS_I2C_NO_STRETCH(hi2c->Init.NoStretchMode)); |
| mbed_official | 354:e67efb2aab0e | 315 | |
| mbed_official | 354:e67efb2aab0e | 316 | if(hi2c->State == HAL_I2C_STATE_RESET) |
| mbed_official | 354:e67efb2aab0e | 317 | { |
| mbed_official | 354:e67efb2aab0e | 318 | /* Init the low level hardware : GPIO, CLOCK, NVIC */ |
| mbed_official | 354:e67efb2aab0e | 319 | HAL_I2C_MspInit(hi2c); |
| mbed_official | 354:e67efb2aab0e | 320 | } |
| mbed_official | 354:e67efb2aab0e | 321 | |
| mbed_official | 354:e67efb2aab0e | 322 | /* Get PCLK1 frequency */ |
| mbed_official | 354:e67efb2aab0e | 323 | pclk1 = HAL_RCC_GetPCLK1Freq(); |
| mbed_official | 354:e67efb2aab0e | 324 | |
| mbed_official | 354:e67efb2aab0e | 325 | /* The minimum allowed frequency is 2 MHz */ |
| mbed_official | 354:e67efb2aab0e | 326 | if(pclk1 < I2C_MIN_PCLK_FREQ) |
| mbed_official | 354:e67efb2aab0e | 327 | { |
| mbed_official | 354:e67efb2aab0e | 328 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 329 | } |
| mbed_official | 354:e67efb2aab0e | 330 | |
| mbed_official | 354:e67efb2aab0e | 331 | hi2c->State = HAL_I2C_STATE_BUSY; |
| mbed_official | 354:e67efb2aab0e | 332 | |
| mbed_official | 354:e67efb2aab0e | 333 | /* Disble the selected I2C peripheral */ |
| mbed_official | 354:e67efb2aab0e | 334 | __HAL_I2C_DISABLE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 335 | |
| mbed_official | 354:e67efb2aab0e | 336 | /* Calculate frequency range */ |
| mbed_official | 354:e67efb2aab0e | 337 | freqrange = I2C_FREQRANGE(pclk1); |
| mbed_official | 354:e67efb2aab0e | 338 | |
| mbed_official | 354:e67efb2aab0e | 339 | /*---------------------------- I2Cx CR2 Configuration ----------------------*/ |
| mbed_official | 354:e67efb2aab0e | 340 | /* Configure I2Cx: Frequency range */ |
| mbed_official | 354:e67efb2aab0e | 341 | MODIFY_REG(hi2c->Instance->CR2, I2C_CR2_FREQ, freqrange); |
| mbed_official | 354:e67efb2aab0e | 342 | |
| mbed_official | 354:e67efb2aab0e | 343 | /*---------------------------- I2Cx TRISE Configuration --------------------*/ |
| mbed_official | 354:e67efb2aab0e | 344 | /* Configure I2Cx: Rise Time */ |
| mbed_official | 354:e67efb2aab0e | 345 | MODIFY_REG(hi2c->Instance->TRISE, I2C_TRISE_TRISE, I2C_RISE_TIME(freqrange, hi2c->Init.ClockSpeed)); |
| mbed_official | 354:e67efb2aab0e | 346 | |
| mbed_official | 354:e67efb2aab0e | 347 | /*---------------------------- I2Cx CCR Configuration ----------------------*/ |
| mbed_official | 354:e67efb2aab0e | 348 | /* Configure I2Cx: Speed */ |
| mbed_official | 354:e67efb2aab0e | 349 | MODIFY_REG(hi2c->Instance->CCR, (I2C_CCR_FS | I2C_CCR_DUTY | I2C_CCR_CCR), I2C_SPEED(pclk1, hi2c->Init.ClockSpeed, hi2c->Init.DutyCycle)); |
| mbed_official | 354:e67efb2aab0e | 350 | |
| mbed_official | 354:e67efb2aab0e | 351 | /*---------------------------- I2Cx CR1 Configuration ----------------------*/ |
| mbed_official | 354:e67efb2aab0e | 352 | /* Configure I2Cx: Generalcall and NoStretch mode */ |
| mbed_official | 354:e67efb2aab0e | 353 | MODIFY_REG(hi2c->Instance->CR1, (I2C_CR1_ENGC | I2C_CR1_NOSTRETCH), (hi2c->Init.GeneralCallMode | hi2c->Init.NoStretchMode)); |
| mbed_official | 354:e67efb2aab0e | 354 | |
| mbed_official | 354:e67efb2aab0e | 355 | /*---------------------------- I2Cx OAR1 Configuration ---------------------*/ |
| mbed_official | 354:e67efb2aab0e | 356 | /* Configure I2Cx: Own Address1 and addressing mode */ |
| mbed_official | 354:e67efb2aab0e | 357 | MODIFY_REG(hi2c->Instance->OAR1, (I2C_OAR1_ADDMODE | I2C_OAR1_ADD8_9 | I2C_OAR1_ADD1_7 | I2C_OAR1_ADD0), (hi2c->Init.AddressingMode | hi2c->Init.OwnAddress1)); |
| mbed_official | 354:e67efb2aab0e | 358 | |
| mbed_official | 354:e67efb2aab0e | 359 | /*---------------------------- I2Cx OAR2 Configuration ---------------------*/ |
| mbed_official | 354:e67efb2aab0e | 360 | /* Configure I2Cx: Dual mode and Own Address2 */ |
| mbed_official | 354:e67efb2aab0e | 361 | MODIFY_REG(hi2c->Instance->OAR2, (I2C_OAR2_ENDUAL | I2C_OAR2_ADD2), (hi2c->Init.DualAddressMode | hi2c->Init.OwnAddress2)); |
| mbed_official | 354:e67efb2aab0e | 362 | |
| mbed_official | 354:e67efb2aab0e | 363 | /* Enable the selected I2C peripheral */ |
| mbed_official | 354:e67efb2aab0e | 364 | __HAL_I2C_ENABLE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 365 | |
| mbed_official | 354:e67efb2aab0e | 366 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 367 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 368 | |
| mbed_official | 354:e67efb2aab0e | 369 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 370 | } |
| mbed_official | 354:e67efb2aab0e | 371 | |
| mbed_official | 354:e67efb2aab0e | 372 | /** |
| mbed_official | 354:e67efb2aab0e | 373 | * @brief DeInitializes the I2C peripheral. |
| mbed_official | 354:e67efb2aab0e | 374 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 375 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 376 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 377 | */ |
| mbed_official | 354:e67efb2aab0e | 378 | HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 379 | { |
| mbed_official | 354:e67efb2aab0e | 380 | /* Check the I2C handle allocation */ |
| mbed_official | 354:e67efb2aab0e | 381 | if(hi2c == HAL_NULL) |
| mbed_official | 354:e67efb2aab0e | 382 | { |
| mbed_official | 354:e67efb2aab0e | 383 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 384 | } |
| mbed_official | 354:e67efb2aab0e | 385 | |
| mbed_official | 354:e67efb2aab0e | 386 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 387 | assert_param(IS_I2C_ALL_INSTANCE(hi2c->Instance)); |
| mbed_official | 354:e67efb2aab0e | 388 | |
| mbed_official | 354:e67efb2aab0e | 389 | hi2c->State = HAL_I2C_STATE_BUSY; |
| mbed_official | 354:e67efb2aab0e | 390 | |
| mbed_official | 354:e67efb2aab0e | 391 | /* Disable the I2C Peripheral Clock */ |
| mbed_official | 354:e67efb2aab0e | 392 | __HAL_I2C_DISABLE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 393 | |
| mbed_official | 354:e67efb2aab0e | 394 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ |
| mbed_official | 354:e67efb2aab0e | 395 | HAL_I2C_MspDeInit(hi2c); |
| mbed_official | 354:e67efb2aab0e | 396 | |
| mbed_official | 354:e67efb2aab0e | 397 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 398 | |
| mbed_official | 354:e67efb2aab0e | 399 | hi2c->State = HAL_I2C_STATE_RESET; |
| mbed_official | 354:e67efb2aab0e | 400 | |
| mbed_official | 354:e67efb2aab0e | 401 | /* Release Lock */ |
| mbed_official | 354:e67efb2aab0e | 402 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 403 | |
| mbed_official | 354:e67efb2aab0e | 404 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 405 | } |
| mbed_official | 354:e67efb2aab0e | 406 | |
| mbed_official | 354:e67efb2aab0e | 407 | /** |
| mbed_official | 354:e67efb2aab0e | 408 | * @brief I2C MSP Init. |
| mbed_official | 354:e67efb2aab0e | 409 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 410 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 411 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 412 | */ |
| mbed_official | 354:e67efb2aab0e | 413 | __weak void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 414 | { |
| mbed_official | 354:e67efb2aab0e | 415 | /* NOTE : This function Should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 416 | the HAL_I2C_MspInit could be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 417 | */ |
| mbed_official | 354:e67efb2aab0e | 418 | } |
| mbed_official | 354:e67efb2aab0e | 419 | |
| mbed_official | 354:e67efb2aab0e | 420 | /** |
| mbed_official | 354:e67efb2aab0e | 421 | * @brief I2C MSP DeInit |
| mbed_official | 354:e67efb2aab0e | 422 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 423 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 424 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 425 | */ |
| mbed_official | 354:e67efb2aab0e | 426 | __weak void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 427 | { |
| mbed_official | 354:e67efb2aab0e | 428 | /* NOTE : This function Should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 429 | the HAL_I2C_MspDeInit could be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 430 | */ |
| mbed_official | 354:e67efb2aab0e | 431 | } |
| mbed_official | 354:e67efb2aab0e | 432 | |
| mbed_official | 354:e67efb2aab0e | 433 | /** |
| mbed_official | 354:e67efb2aab0e | 434 | * @} |
| mbed_official | 354:e67efb2aab0e | 435 | */ |
| mbed_official | 354:e67efb2aab0e | 436 | |
| mbed_official | 354:e67efb2aab0e | 437 | /** @defgroup I2C_Exported_Functions_Group2 IO operation functions |
| mbed_official | 354:e67efb2aab0e | 438 | * @brief Data transfers functions |
| mbed_official | 354:e67efb2aab0e | 439 | * |
| mbed_official | 354:e67efb2aab0e | 440 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 441 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 442 | ##### IO operation functions ##### |
| mbed_official | 354:e67efb2aab0e | 443 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 444 | [..] |
| mbed_official | 354:e67efb2aab0e | 445 | This subsection provides a set of functions allowing to manage the I2C data |
| mbed_official | 354:e67efb2aab0e | 446 | transfers. |
| mbed_official | 354:e67efb2aab0e | 447 | |
| mbed_official | 354:e67efb2aab0e | 448 | (#) There are two modes of transfer: |
| mbed_official | 354:e67efb2aab0e | 449 | (++) Blocking mode : The communication is performed in the polling mode. |
| mbed_official | 354:e67efb2aab0e | 450 | The status of all data processing is returned by the same function |
| mbed_official | 354:e67efb2aab0e | 451 | after finishing transfer. |
| mbed_official | 354:e67efb2aab0e | 452 | (++) No-Blocking mode : The communication is performed using Interrupts |
| mbed_official | 354:e67efb2aab0e | 453 | or DMA. These functions return the status of the transfer startup. |
| mbed_official | 354:e67efb2aab0e | 454 | The end of the data processing will be indicated through the |
| mbed_official | 354:e67efb2aab0e | 455 | dedicated I2C IRQ when using Interrupt mode or the DMA IRQ when |
| mbed_official | 354:e67efb2aab0e | 456 | using DMA mode. |
| mbed_official | 354:e67efb2aab0e | 457 | |
| mbed_official | 354:e67efb2aab0e | 458 | (#) Blocking mode functions are : |
| mbed_official | 354:e67efb2aab0e | 459 | (++) HAL_I2C_Master_Transmit() |
| mbed_official | 354:e67efb2aab0e | 460 | (++) HAL_I2C_Master_Receive() |
| mbed_official | 354:e67efb2aab0e | 461 | (++) HAL_I2C_Slave_Transmit() |
| mbed_official | 354:e67efb2aab0e | 462 | (++) HAL_I2C_Slave_Receive() |
| mbed_official | 354:e67efb2aab0e | 463 | (++) HAL_I2C_Mem_Write() |
| mbed_official | 354:e67efb2aab0e | 464 | (++) HAL_I2C_Mem_Read() |
| mbed_official | 354:e67efb2aab0e | 465 | (++) HAL_I2C_IsDeviceReady() |
| mbed_official | 354:e67efb2aab0e | 466 | |
| mbed_official | 354:e67efb2aab0e | 467 | (#) No-Blocking mode functions with Interrupt are : |
| mbed_official | 354:e67efb2aab0e | 468 | (++) HAL_I2C_Master_Transmit_IT() |
| mbed_official | 354:e67efb2aab0e | 469 | (++) HAL_I2C_Master_Receive_IT() |
| mbed_official | 354:e67efb2aab0e | 470 | (++) HAL_I2C_Slave_Transmit_IT() |
| mbed_official | 354:e67efb2aab0e | 471 | (++) HAL_I2C_Slave_Receive_IT() |
| mbed_official | 354:e67efb2aab0e | 472 | (++) HAL_I2C_Mem_Write_IT() |
| mbed_official | 354:e67efb2aab0e | 473 | (++) HAL_I2C_Mem_Read_IT() |
| mbed_official | 354:e67efb2aab0e | 474 | |
| mbed_official | 354:e67efb2aab0e | 475 | (#) No-Blocking mode functions with DMA are : |
| mbed_official | 354:e67efb2aab0e | 476 | (++) HAL_I2C_Master_Transmit_DMA() |
| mbed_official | 354:e67efb2aab0e | 477 | (++) HAL_I2C_Master_Receive_DMA() |
| mbed_official | 354:e67efb2aab0e | 478 | (++) HAL_I2C_Slave_Transmit_DMA() |
| mbed_official | 354:e67efb2aab0e | 479 | (++) HAL_I2C_Slave_Receive_DMA() |
| mbed_official | 354:e67efb2aab0e | 480 | (++) HAL_I2C_Mem_Write_DMA() |
| mbed_official | 354:e67efb2aab0e | 481 | (++) HAL_I2C_Mem_Read_DMA() |
| mbed_official | 354:e67efb2aab0e | 482 | |
| mbed_official | 354:e67efb2aab0e | 483 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
| mbed_official | 354:e67efb2aab0e | 484 | (++) HAL_I2C_MemTxCpltCallback() |
| mbed_official | 354:e67efb2aab0e | 485 | (++) HAL_I2C_MemRxCpltCallback() |
| mbed_official | 354:e67efb2aab0e | 486 | (++) HAL_I2C_MasterTxCpltCallback() |
| mbed_official | 354:e67efb2aab0e | 487 | (++) HAL_I2C_MasterRxCpltCallback() |
| mbed_official | 354:e67efb2aab0e | 488 | (++) HAL_I2C_SlaveTxCpltCallback() |
| mbed_official | 354:e67efb2aab0e | 489 | (++) HAL_I2C_SlaveRxCpltCallback() |
| mbed_official | 354:e67efb2aab0e | 490 | (++) HAL_I2C_ErrorCallback() |
| mbed_official | 354:e67efb2aab0e | 491 | |
| mbed_official | 354:e67efb2aab0e | 492 | @endverbatim |
| mbed_official | 354:e67efb2aab0e | 493 | * @{ |
| mbed_official | 354:e67efb2aab0e | 494 | */ |
| mbed_official | 354:e67efb2aab0e | 495 | |
| mbed_official | 354:e67efb2aab0e | 496 | /** |
| mbed_official | 354:e67efb2aab0e | 497 | * @brief Transmits in master mode an amount of data in blocking mode. |
| mbed_official | 354:e67efb2aab0e | 498 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 499 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 500 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 501 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 502 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 503 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 504 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 505 | */ |
| mbed_official | 354:e67efb2aab0e | 506 | HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 507 | { |
| mbed_official | 354:e67efb2aab0e | 508 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 509 | { |
| mbed_official | 354:e67efb2aab0e | 510 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 511 | { |
| mbed_official | 354:e67efb2aab0e | 512 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 513 | } |
| mbed_official | 354:e67efb2aab0e | 514 | |
| mbed_official | 354:e67efb2aab0e | 515 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 516 | { |
| mbed_official | 354:e67efb2aab0e | 517 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 518 | } |
| mbed_official | 354:e67efb2aab0e | 519 | |
| mbed_official | 354:e67efb2aab0e | 520 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 521 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 522 | |
| mbed_official | 354:e67efb2aab0e | 523 | hi2c->State = HAL_I2C_STATE_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 524 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 525 | |
| mbed_official | 354:e67efb2aab0e | 526 | /* Send Slave Address */ |
| mbed_official | 354:e67efb2aab0e | 527 | if(I2C_MasterRequestWrite(hi2c, DevAddress, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 528 | { |
| mbed_official | 354:e67efb2aab0e | 529 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 530 | { |
| mbed_official | 354:e67efb2aab0e | 531 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 532 | } |
| mbed_official | 354:e67efb2aab0e | 533 | else |
| mbed_official | 354:e67efb2aab0e | 534 | { |
| mbed_official | 354:e67efb2aab0e | 535 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 536 | } |
| mbed_official | 354:e67efb2aab0e | 537 | } |
| mbed_official | 354:e67efb2aab0e | 538 | |
| mbed_official | 354:e67efb2aab0e | 539 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 540 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 541 | |
| mbed_official | 354:e67efb2aab0e | 542 | while(Size > 0) |
| mbed_official | 354:e67efb2aab0e | 543 | { |
| mbed_official | 354:e67efb2aab0e | 544 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 545 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 546 | { |
| mbed_official | 354:e67efb2aab0e | 547 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 548 | } |
| mbed_official | 354:e67efb2aab0e | 549 | |
| mbed_official | 354:e67efb2aab0e | 550 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 551 | hi2c->Instance->DR = (*pData++); |
| mbed_official | 354:e67efb2aab0e | 552 | Size--; |
| mbed_official | 354:e67efb2aab0e | 553 | |
| mbed_official | 354:e67efb2aab0e | 554 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (Size != 0)) |
| mbed_official | 354:e67efb2aab0e | 555 | { |
| mbed_official | 354:e67efb2aab0e | 556 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 557 | hi2c->Instance->DR = (*pData++); |
| mbed_official | 354:e67efb2aab0e | 558 | Size--; |
| mbed_official | 354:e67efb2aab0e | 559 | } |
| mbed_official | 354:e67efb2aab0e | 560 | } |
| mbed_official | 354:e67efb2aab0e | 561 | |
| mbed_official | 354:e67efb2aab0e | 562 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 563 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 564 | { |
| mbed_official | 354:e67efb2aab0e | 565 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 566 | } |
| mbed_official | 354:e67efb2aab0e | 567 | |
| mbed_official | 354:e67efb2aab0e | 568 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 569 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 570 | |
| mbed_official | 354:e67efb2aab0e | 571 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 572 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 573 | { |
| mbed_official | 354:e67efb2aab0e | 574 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 575 | } |
| mbed_official | 354:e67efb2aab0e | 576 | |
| mbed_official | 354:e67efb2aab0e | 577 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 578 | |
| mbed_official | 354:e67efb2aab0e | 579 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 580 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 581 | |
| mbed_official | 354:e67efb2aab0e | 582 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 583 | } |
| mbed_official | 354:e67efb2aab0e | 584 | else |
| mbed_official | 354:e67efb2aab0e | 585 | { |
| mbed_official | 354:e67efb2aab0e | 586 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 587 | } |
| mbed_official | 354:e67efb2aab0e | 588 | } |
| mbed_official | 354:e67efb2aab0e | 589 | |
| mbed_official | 354:e67efb2aab0e | 590 | /** |
| mbed_official | 354:e67efb2aab0e | 591 | * @brief Receives in master mode an amount of data in blocking mode. |
| mbed_official | 354:e67efb2aab0e | 592 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 593 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 594 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 595 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 596 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 597 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 598 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 599 | */ |
| mbed_official | 354:e67efb2aab0e | 600 | HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 601 | { |
| mbed_official | 354:e67efb2aab0e | 602 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 603 | { |
| mbed_official | 354:e67efb2aab0e | 604 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 605 | { |
| mbed_official | 354:e67efb2aab0e | 606 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 607 | } |
| mbed_official | 354:e67efb2aab0e | 608 | |
| mbed_official | 354:e67efb2aab0e | 609 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 610 | { |
| mbed_official | 354:e67efb2aab0e | 611 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 612 | } |
| mbed_official | 354:e67efb2aab0e | 613 | |
| mbed_official | 354:e67efb2aab0e | 614 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 615 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 616 | |
| mbed_official | 354:e67efb2aab0e | 617 | hi2c->State = HAL_I2C_STATE_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 618 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 619 | |
| mbed_official | 354:e67efb2aab0e | 620 | /* Send Slave Address */ |
| mbed_official | 354:e67efb2aab0e | 621 | if(I2C_MasterRequestRead(hi2c, DevAddress, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 622 | { |
| mbed_official | 354:e67efb2aab0e | 623 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 624 | { |
| mbed_official | 354:e67efb2aab0e | 625 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 626 | } |
| mbed_official | 354:e67efb2aab0e | 627 | else |
| mbed_official | 354:e67efb2aab0e | 628 | { |
| mbed_official | 354:e67efb2aab0e | 629 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 630 | } |
| mbed_official | 354:e67efb2aab0e | 631 | } |
| mbed_official | 354:e67efb2aab0e | 632 | |
| mbed_official | 354:e67efb2aab0e | 633 | if(Size == 1) |
| mbed_official | 354:e67efb2aab0e | 634 | { |
| mbed_official | 354:e67efb2aab0e | 635 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 636 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 637 | |
| mbed_official | 354:e67efb2aab0e | 638 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 639 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 640 | |
| mbed_official | 354:e67efb2aab0e | 641 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 642 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 643 | } |
| mbed_official | 354:e67efb2aab0e | 644 | else if(Size == 2) |
| mbed_official | 354:e67efb2aab0e | 645 | { |
| mbed_official | 354:e67efb2aab0e | 646 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 647 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 648 | |
| mbed_official | 354:e67efb2aab0e | 649 | /* Enable Pos */ |
| mbed_official | 354:e67efb2aab0e | 650 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); |
| mbed_official | 354:e67efb2aab0e | 651 | |
| mbed_official | 354:e67efb2aab0e | 652 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 653 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 654 | } |
| mbed_official | 354:e67efb2aab0e | 655 | else |
| mbed_official | 354:e67efb2aab0e | 656 | { |
| mbed_official | 354:e67efb2aab0e | 657 | /* Enable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 658 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 659 | |
| mbed_official | 354:e67efb2aab0e | 660 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 661 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 662 | } |
| mbed_official | 354:e67efb2aab0e | 663 | |
| mbed_official | 354:e67efb2aab0e | 664 | while(Size > 0) |
| mbed_official | 354:e67efb2aab0e | 665 | { |
| mbed_official | 354:e67efb2aab0e | 666 | if(Size <= 3) |
| mbed_official | 354:e67efb2aab0e | 667 | { |
| mbed_official | 354:e67efb2aab0e | 668 | /* One byte */ |
| mbed_official | 354:e67efb2aab0e | 669 | if(Size == 1) |
| mbed_official | 354:e67efb2aab0e | 670 | { |
| mbed_official | 354:e67efb2aab0e | 671 | /* Wait until RXNE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 672 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 673 | { |
| mbed_official | 354:e67efb2aab0e | 674 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 675 | } |
| mbed_official | 354:e67efb2aab0e | 676 | |
| mbed_official | 354:e67efb2aab0e | 677 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 678 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 679 | Size--; |
| mbed_official | 354:e67efb2aab0e | 680 | } |
| mbed_official | 354:e67efb2aab0e | 681 | /* Two bytes */ |
| mbed_official | 354:e67efb2aab0e | 682 | else if(Size == 2) |
| mbed_official | 354:e67efb2aab0e | 683 | { |
| mbed_official | 354:e67efb2aab0e | 684 | /* Wait until BTF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 685 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 686 | { |
| mbed_official | 354:e67efb2aab0e | 687 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 688 | } |
| mbed_official | 354:e67efb2aab0e | 689 | |
| mbed_official | 354:e67efb2aab0e | 690 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 691 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 692 | |
| mbed_official | 354:e67efb2aab0e | 693 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 694 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 695 | Size--; |
| mbed_official | 354:e67efb2aab0e | 696 | |
| mbed_official | 354:e67efb2aab0e | 697 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 698 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 699 | Size--; |
| mbed_official | 354:e67efb2aab0e | 700 | } |
| mbed_official | 354:e67efb2aab0e | 701 | /* 3 Last bytes */ |
| mbed_official | 354:e67efb2aab0e | 702 | else |
| mbed_official | 354:e67efb2aab0e | 703 | { |
| mbed_official | 354:e67efb2aab0e | 704 | /* Wait until BTF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 705 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 706 | { |
| mbed_official | 354:e67efb2aab0e | 707 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 708 | } |
| mbed_official | 354:e67efb2aab0e | 709 | |
| mbed_official | 354:e67efb2aab0e | 710 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 711 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 712 | |
| mbed_official | 354:e67efb2aab0e | 713 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 714 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 715 | Size--; |
| mbed_official | 354:e67efb2aab0e | 716 | |
| mbed_official | 354:e67efb2aab0e | 717 | /* Wait until BTF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 718 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 719 | { |
| mbed_official | 354:e67efb2aab0e | 720 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 721 | } |
| mbed_official | 354:e67efb2aab0e | 722 | |
| mbed_official | 354:e67efb2aab0e | 723 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 724 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 725 | |
| mbed_official | 354:e67efb2aab0e | 726 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 727 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 728 | Size--; |
| mbed_official | 354:e67efb2aab0e | 729 | |
| mbed_official | 354:e67efb2aab0e | 730 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 731 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 732 | Size--; |
| mbed_official | 354:e67efb2aab0e | 733 | } |
| mbed_official | 354:e67efb2aab0e | 734 | } |
| mbed_official | 354:e67efb2aab0e | 735 | else |
| mbed_official | 354:e67efb2aab0e | 736 | { |
| mbed_official | 354:e67efb2aab0e | 737 | /* Wait until RXNE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 738 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 739 | { |
| mbed_official | 354:e67efb2aab0e | 740 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 741 | } |
| mbed_official | 354:e67efb2aab0e | 742 | |
| mbed_official | 354:e67efb2aab0e | 743 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 744 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 745 | Size--; |
| mbed_official | 354:e67efb2aab0e | 746 | |
| mbed_official | 354:e67efb2aab0e | 747 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) |
| mbed_official | 354:e67efb2aab0e | 748 | { |
| mbed_official | 354:e67efb2aab0e | 749 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 750 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 751 | Size--; |
| mbed_official | 354:e67efb2aab0e | 752 | } |
| mbed_official | 354:e67efb2aab0e | 753 | } |
| mbed_official | 354:e67efb2aab0e | 754 | } |
| mbed_official | 354:e67efb2aab0e | 755 | |
| mbed_official | 354:e67efb2aab0e | 756 | /* Disable Pos */ |
| mbed_official | 354:e67efb2aab0e | 757 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); |
| mbed_official | 354:e67efb2aab0e | 758 | |
| mbed_official | 354:e67efb2aab0e | 759 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 760 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 761 | { |
| mbed_official | 354:e67efb2aab0e | 762 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 763 | } |
| mbed_official | 354:e67efb2aab0e | 764 | |
| mbed_official | 354:e67efb2aab0e | 765 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 766 | |
| mbed_official | 354:e67efb2aab0e | 767 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 768 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 769 | |
| mbed_official | 354:e67efb2aab0e | 770 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 771 | } |
| mbed_official | 354:e67efb2aab0e | 772 | else |
| mbed_official | 354:e67efb2aab0e | 773 | { |
| mbed_official | 354:e67efb2aab0e | 774 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 775 | } |
| mbed_official | 354:e67efb2aab0e | 776 | } |
| mbed_official | 354:e67efb2aab0e | 777 | |
| mbed_official | 354:e67efb2aab0e | 778 | /** |
| mbed_official | 354:e67efb2aab0e | 779 | * @brief Transmits in slave mode an amount of data in blocking mode. |
| mbed_official | 354:e67efb2aab0e | 780 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 781 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 782 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 783 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 784 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 785 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 786 | */ |
| mbed_official | 354:e67efb2aab0e | 787 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 788 | { |
| mbed_official | 354:e67efb2aab0e | 789 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 790 | { |
| mbed_official | 354:e67efb2aab0e | 791 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 792 | { |
| mbed_official | 354:e67efb2aab0e | 793 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 794 | } |
| mbed_official | 354:e67efb2aab0e | 795 | |
| mbed_official | 354:e67efb2aab0e | 796 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 797 | { |
| mbed_official | 354:e67efb2aab0e | 798 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 799 | } |
| mbed_official | 354:e67efb2aab0e | 800 | |
| mbed_official | 354:e67efb2aab0e | 801 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 802 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 803 | |
| mbed_official | 354:e67efb2aab0e | 804 | hi2c->State = HAL_I2C_STATE_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 805 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 806 | |
| mbed_official | 354:e67efb2aab0e | 807 | /* Enable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 808 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 809 | |
| mbed_official | 354:e67efb2aab0e | 810 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 811 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 812 | { |
| mbed_official | 354:e67efb2aab0e | 813 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 814 | } |
| mbed_official | 354:e67efb2aab0e | 815 | |
| mbed_official | 354:e67efb2aab0e | 816 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 817 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 818 | |
| mbed_official | 354:e67efb2aab0e | 819 | /* If 10bit addressing mode is selected */ |
| mbed_official | 354:e67efb2aab0e | 820 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_10BIT) |
| mbed_official | 354:e67efb2aab0e | 821 | { |
| mbed_official | 354:e67efb2aab0e | 822 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 823 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 824 | { |
| mbed_official | 354:e67efb2aab0e | 825 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 826 | } |
| mbed_official | 354:e67efb2aab0e | 827 | |
| mbed_official | 354:e67efb2aab0e | 828 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 829 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 830 | } |
| mbed_official | 354:e67efb2aab0e | 831 | |
| mbed_official | 354:e67efb2aab0e | 832 | while(Size > 0) |
| mbed_official | 354:e67efb2aab0e | 833 | { |
| mbed_official | 354:e67efb2aab0e | 834 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 835 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 836 | { |
| mbed_official | 354:e67efb2aab0e | 837 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 838 | } |
| mbed_official | 354:e67efb2aab0e | 839 | |
| mbed_official | 354:e67efb2aab0e | 840 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 841 | hi2c->Instance->DR = (*pData++); |
| mbed_official | 354:e67efb2aab0e | 842 | Size--; |
| mbed_official | 354:e67efb2aab0e | 843 | |
| mbed_official | 354:e67efb2aab0e | 844 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (Size != 0)) |
| mbed_official | 354:e67efb2aab0e | 845 | { |
| mbed_official | 354:e67efb2aab0e | 846 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 847 | hi2c->Instance->DR = (*pData++); |
| mbed_official | 354:e67efb2aab0e | 848 | Size--; |
| mbed_official | 354:e67efb2aab0e | 849 | } |
| mbed_official | 354:e67efb2aab0e | 850 | } |
| mbed_official | 354:e67efb2aab0e | 851 | |
| mbed_official | 354:e67efb2aab0e | 852 | /* Wait until AF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 853 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_AF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 854 | { |
| mbed_official | 354:e67efb2aab0e | 855 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 856 | } |
| mbed_official | 354:e67efb2aab0e | 857 | |
| mbed_official | 354:e67efb2aab0e | 858 | /* Clear AF flag */ |
| mbed_official | 354:e67efb2aab0e | 859 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
| mbed_official | 354:e67efb2aab0e | 860 | |
| mbed_official | 354:e67efb2aab0e | 861 | /* Disable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 862 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 863 | |
| mbed_official | 354:e67efb2aab0e | 864 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 865 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 866 | { |
| mbed_official | 354:e67efb2aab0e | 867 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 868 | } |
| mbed_official | 354:e67efb2aab0e | 869 | |
| mbed_official | 354:e67efb2aab0e | 870 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 871 | |
| mbed_official | 354:e67efb2aab0e | 872 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 873 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 874 | |
| mbed_official | 354:e67efb2aab0e | 875 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 876 | } |
| mbed_official | 354:e67efb2aab0e | 877 | else |
| mbed_official | 354:e67efb2aab0e | 878 | { |
| mbed_official | 354:e67efb2aab0e | 879 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 880 | } |
| mbed_official | 354:e67efb2aab0e | 881 | } |
| mbed_official | 354:e67efb2aab0e | 882 | |
| mbed_official | 354:e67efb2aab0e | 883 | /** |
| mbed_official | 354:e67efb2aab0e | 884 | * @brief Receive in slave mode an amount of data in blocking mode |
| mbed_official | 354:e67efb2aab0e | 885 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 886 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 887 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 888 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 889 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 890 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 891 | */ |
| mbed_official | 354:e67efb2aab0e | 892 | HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 893 | { |
| mbed_official | 354:e67efb2aab0e | 894 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 895 | { |
| mbed_official | 354:e67efb2aab0e | 896 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 897 | { |
| mbed_official | 354:e67efb2aab0e | 898 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 899 | } |
| mbed_official | 354:e67efb2aab0e | 900 | |
| mbed_official | 354:e67efb2aab0e | 901 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 902 | { |
| mbed_official | 354:e67efb2aab0e | 903 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 904 | } |
| mbed_official | 354:e67efb2aab0e | 905 | |
| mbed_official | 354:e67efb2aab0e | 906 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 907 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 908 | |
| mbed_official | 354:e67efb2aab0e | 909 | hi2c->State = HAL_I2C_STATE_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 910 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 911 | |
| mbed_official | 354:e67efb2aab0e | 912 | /* Enable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 913 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 914 | |
| mbed_official | 354:e67efb2aab0e | 915 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 916 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 917 | { |
| mbed_official | 354:e67efb2aab0e | 918 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 919 | } |
| mbed_official | 354:e67efb2aab0e | 920 | |
| mbed_official | 354:e67efb2aab0e | 921 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 922 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 923 | |
| mbed_official | 354:e67efb2aab0e | 924 | while(Size > 0) |
| mbed_official | 354:e67efb2aab0e | 925 | { |
| mbed_official | 354:e67efb2aab0e | 926 | /* Wait until RXNE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 927 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 928 | { |
| mbed_official | 354:e67efb2aab0e | 929 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 930 | } |
| mbed_official | 354:e67efb2aab0e | 931 | |
| mbed_official | 354:e67efb2aab0e | 932 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 933 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 934 | Size--; |
| mbed_official | 354:e67efb2aab0e | 935 | |
| mbed_official | 354:e67efb2aab0e | 936 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (Size != 0)) |
| mbed_official | 354:e67efb2aab0e | 937 | { |
| mbed_official | 354:e67efb2aab0e | 938 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 939 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 940 | Size--; |
| mbed_official | 354:e67efb2aab0e | 941 | } |
| mbed_official | 354:e67efb2aab0e | 942 | } |
| mbed_official | 354:e67efb2aab0e | 943 | |
| mbed_official | 354:e67efb2aab0e | 944 | /* Wait until STOP flag is set */ |
| mbed_official | 354:e67efb2aab0e | 945 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 946 | { |
| mbed_official | 354:e67efb2aab0e | 947 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 948 | } |
| mbed_official | 354:e67efb2aab0e | 949 | |
| mbed_official | 354:e67efb2aab0e | 950 | /* Clear STOP flag */ |
| mbed_official | 354:e67efb2aab0e | 951 | __HAL_I2C_CLEAR_STOPFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 952 | |
| mbed_official | 354:e67efb2aab0e | 953 | /* Disable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 954 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 955 | |
| mbed_official | 354:e67efb2aab0e | 956 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 957 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 958 | { |
| mbed_official | 354:e67efb2aab0e | 959 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 960 | } |
| mbed_official | 354:e67efb2aab0e | 961 | |
| mbed_official | 354:e67efb2aab0e | 962 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 963 | |
| mbed_official | 354:e67efb2aab0e | 964 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 965 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 966 | |
| mbed_official | 354:e67efb2aab0e | 967 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 968 | } |
| mbed_official | 354:e67efb2aab0e | 969 | else |
| mbed_official | 354:e67efb2aab0e | 970 | { |
| mbed_official | 354:e67efb2aab0e | 971 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 972 | } |
| mbed_official | 354:e67efb2aab0e | 973 | } |
| mbed_official | 354:e67efb2aab0e | 974 | |
| mbed_official | 354:e67efb2aab0e | 975 | /** |
| mbed_official | 354:e67efb2aab0e | 976 | * @brief Transmit in master mode an amount of data in no-blocking mode with Interrupt |
| mbed_official | 354:e67efb2aab0e | 977 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 978 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 979 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 980 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 981 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 982 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 983 | */ |
| mbed_official | 354:e67efb2aab0e | 984 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 985 | { |
| mbed_official | 354:e67efb2aab0e | 986 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 987 | { |
| mbed_official | 354:e67efb2aab0e | 988 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 989 | { |
| mbed_official | 354:e67efb2aab0e | 990 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 991 | } |
| mbed_official | 354:e67efb2aab0e | 992 | |
| mbed_official | 354:e67efb2aab0e | 993 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 994 | { |
| mbed_official | 354:e67efb2aab0e | 995 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 996 | } |
| mbed_official | 354:e67efb2aab0e | 997 | |
| mbed_official | 354:e67efb2aab0e | 998 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 999 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1000 | |
| mbed_official | 354:e67efb2aab0e | 1001 | hi2c->State = HAL_I2C_STATE_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 1002 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1003 | |
| mbed_official | 354:e67efb2aab0e | 1004 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1005 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1006 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1007 | |
| mbed_official | 354:e67efb2aab0e | 1008 | /* Send Slave Address */ |
| mbed_official | 354:e67efb2aab0e | 1009 | if(I2C_MasterRequestWrite(hi2c, DevAddress, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1010 | { |
| mbed_official | 354:e67efb2aab0e | 1011 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1012 | { |
| mbed_official | 354:e67efb2aab0e | 1013 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1014 | } |
| mbed_official | 354:e67efb2aab0e | 1015 | else |
| mbed_official | 354:e67efb2aab0e | 1016 | { |
| mbed_official | 354:e67efb2aab0e | 1017 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1018 | } |
| mbed_official | 354:e67efb2aab0e | 1019 | } |
| mbed_official | 354:e67efb2aab0e | 1020 | |
| mbed_official | 354:e67efb2aab0e | 1021 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1022 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1023 | |
| mbed_official | 354:e67efb2aab0e | 1024 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1025 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1026 | |
| mbed_official | 354:e67efb2aab0e | 1027 | /* Note : The I2C interrupts must be enabled after unlocking current process |
| mbed_official | 354:e67efb2aab0e | 1028 | to avoid the risk of I2C interrupt handle execution before current |
| mbed_official | 354:e67efb2aab0e | 1029 | process unlock */ |
| mbed_official | 354:e67efb2aab0e | 1030 | |
| mbed_official | 354:e67efb2aab0e | 1031 | /* Enable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 1032 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 1033 | |
| mbed_official | 354:e67efb2aab0e | 1034 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1035 | } |
| mbed_official | 354:e67efb2aab0e | 1036 | else |
| mbed_official | 354:e67efb2aab0e | 1037 | { |
| mbed_official | 354:e67efb2aab0e | 1038 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1039 | } |
| mbed_official | 354:e67efb2aab0e | 1040 | } |
| mbed_official | 354:e67efb2aab0e | 1041 | |
| mbed_official | 354:e67efb2aab0e | 1042 | /** |
| mbed_official | 354:e67efb2aab0e | 1043 | * @brief Receive in master mode an amount of data in no-blocking mode with Interrupt |
| mbed_official | 354:e67efb2aab0e | 1044 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1045 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1046 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1047 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1048 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1049 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1050 | */ |
| mbed_official | 354:e67efb2aab0e | 1051 | HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1052 | { |
| mbed_official | 354:e67efb2aab0e | 1053 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1054 | { |
| mbed_official | 354:e67efb2aab0e | 1055 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1056 | { |
| mbed_official | 354:e67efb2aab0e | 1057 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1058 | } |
| mbed_official | 354:e67efb2aab0e | 1059 | |
| mbed_official | 354:e67efb2aab0e | 1060 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1061 | { |
| mbed_official | 354:e67efb2aab0e | 1062 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1063 | } |
| mbed_official | 354:e67efb2aab0e | 1064 | |
| mbed_official | 354:e67efb2aab0e | 1065 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1066 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1067 | |
| mbed_official | 354:e67efb2aab0e | 1068 | hi2c->State = HAL_I2C_STATE_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 1069 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1070 | |
| mbed_official | 354:e67efb2aab0e | 1071 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1072 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1073 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1074 | |
| mbed_official | 354:e67efb2aab0e | 1075 | /* Send Slave Address */ |
| mbed_official | 354:e67efb2aab0e | 1076 | if(I2C_MasterRequestRead(hi2c, DevAddress, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1077 | { |
| mbed_official | 354:e67efb2aab0e | 1078 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1079 | { |
| mbed_official | 354:e67efb2aab0e | 1080 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1081 | } |
| mbed_official | 354:e67efb2aab0e | 1082 | else |
| mbed_official | 354:e67efb2aab0e | 1083 | { |
| mbed_official | 354:e67efb2aab0e | 1084 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1085 | } |
| mbed_official | 354:e67efb2aab0e | 1086 | } |
| mbed_official | 354:e67efb2aab0e | 1087 | |
| mbed_official | 354:e67efb2aab0e | 1088 | if(hi2c->XferCount == 1) |
| mbed_official | 354:e67efb2aab0e | 1089 | { |
| mbed_official | 354:e67efb2aab0e | 1090 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1091 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1092 | |
| mbed_official | 354:e67efb2aab0e | 1093 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1094 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1095 | |
| mbed_official | 354:e67efb2aab0e | 1096 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 1097 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 1098 | } |
| mbed_official | 354:e67efb2aab0e | 1099 | else if(hi2c->XferCount == 2) |
| mbed_official | 354:e67efb2aab0e | 1100 | { |
| mbed_official | 354:e67efb2aab0e | 1101 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1102 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1103 | |
| mbed_official | 354:e67efb2aab0e | 1104 | /* Enable Pos */ |
| mbed_official | 354:e67efb2aab0e | 1105 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); |
| mbed_official | 354:e67efb2aab0e | 1106 | |
| mbed_official | 354:e67efb2aab0e | 1107 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1108 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1109 | } |
| mbed_official | 354:e67efb2aab0e | 1110 | else |
| mbed_official | 354:e67efb2aab0e | 1111 | { |
| mbed_official | 354:e67efb2aab0e | 1112 | /* Enable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1113 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1114 | |
| mbed_official | 354:e67efb2aab0e | 1115 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1116 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1117 | } |
| mbed_official | 354:e67efb2aab0e | 1118 | |
| mbed_official | 354:e67efb2aab0e | 1119 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1120 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1121 | |
| mbed_official | 354:e67efb2aab0e | 1122 | /* Note : The I2C interrupts must be enabled after unlocking current process |
| mbed_official | 354:e67efb2aab0e | 1123 | to avoid the risk of I2C interrupt handle execution before current |
| mbed_official | 354:e67efb2aab0e | 1124 | process unlock */ |
| mbed_official | 354:e67efb2aab0e | 1125 | |
| mbed_official | 354:e67efb2aab0e | 1126 | /* Enable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 1127 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 1128 | |
| mbed_official | 354:e67efb2aab0e | 1129 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1130 | } |
| mbed_official | 354:e67efb2aab0e | 1131 | else |
| mbed_official | 354:e67efb2aab0e | 1132 | { |
| mbed_official | 354:e67efb2aab0e | 1133 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1134 | } |
| mbed_official | 354:e67efb2aab0e | 1135 | } |
| mbed_official | 354:e67efb2aab0e | 1136 | |
| mbed_official | 354:e67efb2aab0e | 1137 | /** |
| mbed_official | 354:e67efb2aab0e | 1138 | * @brief Transmit in slave mode an amount of data in no-blocking mode with Interrupt |
| mbed_official | 354:e67efb2aab0e | 1139 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1140 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1141 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1142 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1143 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1144 | */ |
| mbed_official | 354:e67efb2aab0e | 1145 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1146 | { |
| mbed_official | 354:e67efb2aab0e | 1147 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1148 | { |
| mbed_official | 354:e67efb2aab0e | 1149 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1150 | { |
| mbed_official | 354:e67efb2aab0e | 1151 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1152 | } |
| mbed_official | 354:e67efb2aab0e | 1153 | |
| mbed_official | 354:e67efb2aab0e | 1154 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1155 | { |
| mbed_official | 354:e67efb2aab0e | 1156 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1157 | } |
| mbed_official | 354:e67efb2aab0e | 1158 | |
| mbed_official | 354:e67efb2aab0e | 1159 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1160 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1161 | |
| mbed_official | 354:e67efb2aab0e | 1162 | hi2c->State = HAL_I2C_STATE_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 1163 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1164 | |
| mbed_official | 354:e67efb2aab0e | 1165 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1166 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1167 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1168 | |
| mbed_official | 354:e67efb2aab0e | 1169 | /* Enable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1170 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1171 | |
| mbed_official | 354:e67efb2aab0e | 1172 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1173 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1174 | |
| mbed_official | 354:e67efb2aab0e | 1175 | /* Note : The I2C interrupts must be enabled after unlocking current process |
| mbed_official | 354:e67efb2aab0e | 1176 | to avoid the risk of I2C interrupt handle execution before current |
| mbed_official | 354:e67efb2aab0e | 1177 | process unlock */ |
| mbed_official | 354:e67efb2aab0e | 1178 | |
| mbed_official | 354:e67efb2aab0e | 1179 | /* Enable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 1180 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 1181 | |
| mbed_official | 354:e67efb2aab0e | 1182 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1183 | } |
| mbed_official | 354:e67efb2aab0e | 1184 | else |
| mbed_official | 354:e67efb2aab0e | 1185 | { |
| mbed_official | 354:e67efb2aab0e | 1186 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1187 | } |
| mbed_official | 354:e67efb2aab0e | 1188 | } |
| mbed_official | 354:e67efb2aab0e | 1189 | |
| mbed_official | 354:e67efb2aab0e | 1190 | /** |
| mbed_official | 354:e67efb2aab0e | 1191 | * @brief Receive in slave mode an amount of data in no-blocking mode with Interrupt |
| mbed_official | 354:e67efb2aab0e | 1192 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1193 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1194 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1195 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1196 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1197 | */ |
| mbed_official | 354:e67efb2aab0e | 1198 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1199 | { |
| mbed_official | 354:e67efb2aab0e | 1200 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1201 | { |
| mbed_official | 354:e67efb2aab0e | 1202 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1203 | { |
| mbed_official | 354:e67efb2aab0e | 1204 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1205 | } |
| mbed_official | 354:e67efb2aab0e | 1206 | |
| mbed_official | 354:e67efb2aab0e | 1207 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1208 | { |
| mbed_official | 354:e67efb2aab0e | 1209 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1210 | } |
| mbed_official | 354:e67efb2aab0e | 1211 | |
| mbed_official | 354:e67efb2aab0e | 1212 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1213 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1214 | |
| mbed_official | 354:e67efb2aab0e | 1215 | hi2c->State = HAL_I2C_STATE_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 1216 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1217 | |
| mbed_official | 354:e67efb2aab0e | 1218 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1219 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1220 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1221 | |
| mbed_official | 354:e67efb2aab0e | 1222 | /* Enable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1223 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1224 | |
| mbed_official | 354:e67efb2aab0e | 1225 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1226 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1227 | |
| mbed_official | 354:e67efb2aab0e | 1228 | /* Note : The I2C interrupts must be enabled after unlocking current process |
| mbed_official | 354:e67efb2aab0e | 1229 | to avoid the risk of I2C interrupt handle execution before current |
| mbed_official | 354:e67efb2aab0e | 1230 | process unlock */ |
| mbed_official | 354:e67efb2aab0e | 1231 | |
| mbed_official | 354:e67efb2aab0e | 1232 | /* Enable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 1233 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 1234 | |
| mbed_official | 354:e67efb2aab0e | 1235 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1236 | } |
| mbed_official | 354:e67efb2aab0e | 1237 | else |
| mbed_official | 354:e67efb2aab0e | 1238 | { |
| mbed_official | 354:e67efb2aab0e | 1239 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1240 | } |
| mbed_official | 354:e67efb2aab0e | 1241 | } |
| mbed_official | 354:e67efb2aab0e | 1242 | |
| mbed_official | 354:e67efb2aab0e | 1243 | /** |
| mbed_official | 354:e67efb2aab0e | 1244 | * @brief Transmit in master mode an amount of data in no-blocking mode with DMA |
| mbed_official | 354:e67efb2aab0e | 1245 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1246 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1247 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1248 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1249 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1250 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1251 | */ |
| mbed_official | 354:e67efb2aab0e | 1252 | HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1253 | { |
| mbed_official | 354:e67efb2aab0e | 1254 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1255 | { |
| mbed_official | 354:e67efb2aab0e | 1256 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1257 | { |
| mbed_official | 354:e67efb2aab0e | 1258 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1259 | } |
| mbed_official | 354:e67efb2aab0e | 1260 | |
| mbed_official | 354:e67efb2aab0e | 1261 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1262 | { |
| mbed_official | 354:e67efb2aab0e | 1263 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1264 | } |
| mbed_official | 354:e67efb2aab0e | 1265 | |
| mbed_official | 354:e67efb2aab0e | 1266 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1267 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1268 | |
| mbed_official | 354:e67efb2aab0e | 1269 | hi2c->State = HAL_I2C_STATE_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 1270 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1271 | |
| mbed_official | 354:e67efb2aab0e | 1272 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1273 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1274 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1275 | |
| mbed_official | 354:e67efb2aab0e | 1276 | /* Set the I2C DMA transfert complete callback */ |
| mbed_official | 354:e67efb2aab0e | 1277 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMasterTransmitCplt; |
| mbed_official | 354:e67efb2aab0e | 1278 | |
| mbed_official | 354:e67efb2aab0e | 1279 | /* Set the DMA error callback */ |
| mbed_official | 354:e67efb2aab0e | 1280 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
| mbed_official | 354:e67efb2aab0e | 1281 | |
| mbed_official | 354:e67efb2aab0e | 1282 | /* Enable the DMA Channel */ |
| mbed_official | 354:e67efb2aab0e | 1283 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->DR, Size); |
| mbed_official | 354:e67efb2aab0e | 1284 | |
| mbed_official | 354:e67efb2aab0e | 1285 | /* Send Slave Address */ |
| mbed_official | 354:e67efb2aab0e | 1286 | if(I2C_MasterRequestWrite(hi2c, DevAddress, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1287 | { |
| mbed_official | 354:e67efb2aab0e | 1288 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1289 | { |
| mbed_official | 354:e67efb2aab0e | 1290 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1291 | } |
| mbed_official | 354:e67efb2aab0e | 1292 | else |
| mbed_official | 354:e67efb2aab0e | 1293 | { |
| mbed_official | 354:e67efb2aab0e | 1294 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1295 | } |
| mbed_official | 354:e67efb2aab0e | 1296 | } |
| mbed_official | 354:e67efb2aab0e | 1297 | |
| mbed_official | 354:e67efb2aab0e | 1298 | /* Enable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 1299 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 1300 | |
| mbed_official | 354:e67efb2aab0e | 1301 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1302 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1303 | |
| mbed_official | 354:e67efb2aab0e | 1304 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1305 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1306 | |
| mbed_official | 354:e67efb2aab0e | 1307 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1308 | } |
| mbed_official | 354:e67efb2aab0e | 1309 | else |
| mbed_official | 354:e67efb2aab0e | 1310 | { |
| mbed_official | 354:e67efb2aab0e | 1311 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1312 | } |
| mbed_official | 354:e67efb2aab0e | 1313 | } |
| mbed_official | 354:e67efb2aab0e | 1314 | |
| mbed_official | 354:e67efb2aab0e | 1315 | /** |
| mbed_official | 354:e67efb2aab0e | 1316 | * @brief Receive in master mode an amount of data in no-blocking mode with DMA |
| mbed_official | 354:e67efb2aab0e | 1317 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1318 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1319 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1320 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1321 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1322 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1323 | */ |
| mbed_official | 354:e67efb2aab0e | 1324 | HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1325 | { |
| mbed_official | 354:e67efb2aab0e | 1326 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1327 | { |
| mbed_official | 354:e67efb2aab0e | 1328 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1329 | { |
| mbed_official | 354:e67efb2aab0e | 1330 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1331 | } |
| mbed_official | 354:e67efb2aab0e | 1332 | |
| mbed_official | 354:e67efb2aab0e | 1333 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1334 | { |
| mbed_official | 354:e67efb2aab0e | 1335 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1336 | } |
| mbed_official | 354:e67efb2aab0e | 1337 | |
| mbed_official | 354:e67efb2aab0e | 1338 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1339 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1340 | |
| mbed_official | 354:e67efb2aab0e | 1341 | hi2c->State = HAL_I2C_STATE_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 1342 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1343 | |
| mbed_official | 354:e67efb2aab0e | 1344 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1345 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1346 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1347 | |
| mbed_official | 354:e67efb2aab0e | 1348 | /* Set the I2C DMA transfert complete callback */ |
| mbed_official | 354:e67efb2aab0e | 1349 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMasterReceiveCplt; |
| mbed_official | 354:e67efb2aab0e | 1350 | |
| mbed_official | 354:e67efb2aab0e | 1351 | /* Set the DMA error callback */ |
| mbed_official | 354:e67efb2aab0e | 1352 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
| mbed_official | 354:e67efb2aab0e | 1353 | |
| mbed_official | 354:e67efb2aab0e | 1354 | /* Enable the DMA Channel */ |
| mbed_official | 354:e67efb2aab0e | 1355 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)pData, Size); |
| mbed_official | 354:e67efb2aab0e | 1356 | |
| mbed_official | 354:e67efb2aab0e | 1357 | /* Send Slave Address */ |
| mbed_official | 354:e67efb2aab0e | 1358 | if(I2C_MasterRequestRead(hi2c, DevAddress, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1359 | { |
| mbed_official | 354:e67efb2aab0e | 1360 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1361 | { |
| mbed_official | 354:e67efb2aab0e | 1362 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1363 | } |
| mbed_official | 354:e67efb2aab0e | 1364 | else |
| mbed_official | 354:e67efb2aab0e | 1365 | { |
| mbed_official | 354:e67efb2aab0e | 1366 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1367 | } |
| mbed_official | 354:e67efb2aab0e | 1368 | } |
| mbed_official | 354:e67efb2aab0e | 1369 | |
| mbed_official | 354:e67efb2aab0e | 1370 | if(Size == 1) |
| mbed_official | 354:e67efb2aab0e | 1371 | { |
| mbed_official | 354:e67efb2aab0e | 1372 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1373 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1374 | } |
| mbed_official | 354:e67efb2aab0e | 1375 | else |
| mbed_official | 354:e67efb2aab0e | 1376 | { |
| mbed_official | 354:e67efb2aab0e | 1377 | /* Enable Last DMA bit */ |
| mbed_official | 354:e67efb2aab0e | 1378 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); |
| mbed_official | 354:e67efb2aab0e | 1379 | } |
| mbed_official | 354:e67efb2aab0e | 1380 | |
| mbed_official | 354:e67efb2aab0e | 1381 | /* Enable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 1382 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 1383 | |
| mbed_official | 354:e67efb2aab0e | 1384 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1385 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1386 | |
| mbed_official | 354:e67efb2aab0e | 1387 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1388 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1389 | |
| mbed_official | 354:e67efb2aab0e | 1390 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1391 | } |
| mbed_official | 354:e67efb2aab0e | 1392 | else |
| mbed_official | 354:e67efb2aab0e | 1393 | { |
| mbed_official | 354:e67efb2aab0e | 1394 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1395 | } |
| mbed_official | 354:e67efb2aab0e | 1396 | } |
| mbed_official | 354:e67efb2aab0e | 1397 | |
| mbed_official | 354:e67efb2aab0e | 1398 | /** |
| mbed_official | 354:e67efb2aab0e | 1399 | * @brief Transmit in slave mode an amount of data in no-blocking mode with DMA |
| mbed_official | 354:e67efb2aab0e | 1400 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1401 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1402 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1403 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1404 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1405 | */ |
| mbed_official | 354:e67efb2aab0e | 1406 | HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1407 | { |
| mbed_official | 354:e67efb2aab0e | 1408 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1409 | { |
| mbed_official | 354:e67efb2aab0e | 1410 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1411 | { |
| mbed_official | 354:e67efb2aab0e | 1412 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1413 | } |
| mbed_official | 354:e67efb2aab0e | 1414 | |
| mbed_official | 354:e67efb2aab0e | 1415 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1416 | { |
| mbed_official | 354:e67efb2aab0e | 1417 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1418 | } |
| mbed_official | 354:e67efb2aab0e | 1419 | |
| mbed_official | 354:e67efb2aab0e | 1420 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1421 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1422 | |
| mbed_official | 354:e67efb2aab0e | 1423 | hi2c->State = HAL_I2C_STATE_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 1424 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1425 | |
| mbed_official | 354:e67efb2aab0e | 1426 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1427 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1428 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1429 | |
| mbed_official | 354:e67efb2aab0e | 1430 | /* Set the I2C DMA transfert complete callback */ |
| mbed_official | 354:e67efb2aab0e | 1431 | hi2c->hdmatx->XferCpltCallback = I2C_DMASlaveTransmitCplt; |
| mbed_official | 354:e67efb2aab0e | 1432 | |
| mbed_official | 354:e67efb2aab0e | 1433 | /* Set the DMA error callback */ |
| mbed_official | 354:e67efb2aab0e | 1434 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
| mbed_official | 354:e67efb2aab0e | 1435 | |
| mbed_official | 354:e67efb2aab0e | 1436 | /* Enable the DMA Channel */ |
| mbed_official | 354:e67efb2aab0e | 1437 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->DR, Size); |
| mbed_official | 354:e67efb2aab0e | 1438 | |
| mbed_official | 354:e67efb2aab0e | 1439 | /* Enable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 1440 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 1441 | |
| mbed_official | 354:e67efb2aab0e | 1442 | /* Enable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1443 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1444 | |
| mbed_official | 354:e67efb2aab0e | 1445 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1446 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR_SLAVE) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1447 | { |
| mbed_official | 354:e67efb2aab0e | 1448 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1449 | } |
| mbed_official | 354:e67efb2aab0e | 1450 | |
| mbed_official | 354:e67efb2aab0e | 1451 | /* If 7bit addressing mode is selected */ |
| mbed_official | 354:e67efb2aab0e | 1452 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) |
| mbed_official | 354:e67efb2aab0e | 1453 | { |
| mbed_official | 354:e67efb2aab0e | 1454 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1455 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1456 | } |
| mbed_official | 354:e67efb2aab0e | 1457 | else |
| mbed_official | 354:e67efb2aab0e | 1458 | { |
| mbed_official | 354:e67efb2aab0e | 1459 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1460 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1461 | |
| mbed_official | 354:e67efb2aab0e | 1462 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1463 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR_SLAVE) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1464 | { |
| mbed_official | 354:e67efb2aab0e | 1465 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1466 | } |
| mbed_official | 354:e67efb2aab0e | 1467 | |
| mbed_official | 354:e67efb2aab0e | 1468 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1469 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1470 | } |
| mbed_official | 354:e67efb2aab0e | 1471 | |
| mbed_official | 354:e67efb2aab0e | 1472 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1473 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1474 | |
| mbed_official | 354:e67efb2aab0e | 1475 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1476 | } |
| mbed_official | 354:e67efb2aab0e | 1477 | else |
| mbed_official | 354:e67efb2aab0e | 1478 | { |
| mbed_official | 354:e67efb2aab0e | 1479 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1480 | } |
| mbed_official | 354:e67efb2aab0e | 1481 | } |
| mbed_official | 354:e67efb2aab0e | 1482 | |
| mbed_official | 354:e67efb2aab0e | 1483 | /** |
| mbed_official | 354:e67efb2aab0e | 1484 | * @brief Receive in slave mode an amount of data in no-blocking mode with DMA |
| mbed_official | 354:e67efb2aab0e | 1485 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1486 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1487 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1488 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1489 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1490 | */ |
| mbed_official | 354:e67efb2aab0e | 1491 | HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size) |
| mbed_official | 354:e67efb2aab0e | 1492 | { |
| mbed_official | 354:e67efb2aab0e | 1493 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1494 | { |
| mbed_official | 354:e67efb2aab0e | 1495 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1496 | { |
| mbed_official | 354:e67efb2aab0e | 1497 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1498 | } |
| mbed_official | 354:e67efb2aab0e | 1499 | |
| mbed_official | 354:e67efb2aab0e | 1500 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1501 | { |
| mbed_official | 354:e67efb2aab0e | 1502 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1503 | } |
| mbed_official | 354:e67efb2aab0e | 1504 | |
| mbed_official | 354:e67efb2aab0e | 1505 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1506 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1507 | |
| mbed_official | 354:e67efb2aab0e | 1508 | hi2c->State = HAL_I2C_STATE_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 1509 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1510 | |
| mbed_official | 354:e67efb2aab0e | 1511 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1512 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1513 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1514 | |
| mbed_official | 354:e67efb2aab0e | 1515 | /* Set the I2C DMA transfert complete callback */ |
| mbed_official | 354:e67efb2aab0e | 1516 | hi2c->hdmarx->XferCpltCallback = I2C_DMASlaveReceiveCplt; |
| mbed_official | 354:e67efb2aab0e | 1517 | |
| mbed_official | 354:e67efb2aab0e | 1518 | /* Set the DMA error callback */ |
| mbed_official | 354:e67efb2aab0e | 1519 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
| mbed_official | 354:e67efb2aab0e | 1520 | |
| mbed_official | 354:e67efb2aab0e | 1521 | /* Enable the DMA Channel */ |
| mbed_official | 354:e67efb2aab0e | 1522 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)pData, Size); |
| mbed_official | 354:e67efb2aab0e | 1523 | |
| mbed_official | 354:e67efb2aab0e | 1524 | /* Enable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 1525 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 1526 | |
| mbed_official | 354:e67efb2aab0e | 1527 | /* Enable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1528 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1529 | |
| mbed_official | 354:e67efb2aab0e | 1530 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1531 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, RESET, I2C_TIMEOUT_ADDR_SLAVE) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1532 | { |
| mbed_official | 354:e67efb2aab0e | 1533 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1534 | } |
| mbed_official | 354:e67efb2aab0e | 1535 | |
| mbed_official | 354:e67efb2aab0e | 1536 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1537 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1538 | |
| mbed_official | 354:e67efb2aab0e | 1539 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1540 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1541 | |
| mbed_official | 354:e67efb2aab0e | 1542 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1543 | } |
| mbed_official | 354:e67efb2aab0e | 1544 | else |
| mbed_official | 354:e67efb2aab0e | 1545 | { |
| mbed_official | 354:e67efb2aab0e | 1546 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1547 | } |
| mbed_official | 354:e67efb2aab0e | 1548 | } |
| mbed_official | 354:e67efb2aab0e | 1549 | /** |
| mbed_official | 354:e67efb2aab0e | 1550 | * @brief Write an amount of data in blocking mode to a specific memory address |
| mbed_official | 354:e67efb2aab0e | 1551 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1552 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1553 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1554 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 1555 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 1556 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1557 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1558 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 1559 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1560 | */ |
| mbed_official | 354:e67efb2aab0e | 1561 | 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 | 354:e67efb2aab0e | 1562 | { |
| mbed_official | 354:e67efb2aab0e | 1563 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 1564 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
| mbed_official | 354:e67efb2aab0e | 1565 | |
| mbed_official | 354:e67efb2aab0e | 1566 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1567 | { |
| mbed_official | 354:e67efb2aab0e | 1568 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1569 | { |
| mbed_official | 354:e67efb2aab0e | 1570 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1571 | } |
| mbed_official | 354:e67efb2aab0e | 1572 | |
| mbed_official | 354:e67efb2aab0e | 1573 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1574 | { |
| mbed_official | 354:e67efb2aab0e | 1575 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1576 | } |
| mbed_official | 354:e67efb2aab0e | 1577 | |
| mbed_official | 354:e67efb2aab0e | 1578 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1579 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1580 | |
| mbed_official | 354:e67efb2aab0e | 1581 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 1582 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1583 | |
| mbed_official | 354:e67efb2aab0e | 1584 | /* Send Slave Address and Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 1585 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1586 | { |
| mbed_official | 354:e67efb2aab0e | 1587 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1588 | { |
| mbed_official | 354:e67efb2aab0e | 1589 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1590 | } |
| mbed_official | 354:e67efb2aab0e | 1591 | else |
| mbed_official | 354:e67efb2aab0e | 1592 | { |
| mbed_official | 354:e67efb2aab0e | 1593 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1594 | } |
| mbed_official | 354:e67efb2aab0e | 1595 | } |
| mbed_official | 354:e67efb2aab0e | 1596 | |
| mbed_official | 354:e67efb2aab0e | 1597 | while(Size > 0) |
| mbed_official | 354:e67efb2aab0e | 1598 | { |
| mbed_official | 354:e67efb2aab0e | 1599 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1600 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1601 | { |
| mbed_official | 354:e67efb2aab0e | 1602 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1603 | } |
| mbed_official | 354:e67efb2aab0e | 1604 | |
| mbed_official | 354:e67efb2aab0e | 1605 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 1606 | hi2c->Instance->DR = (*pData++); |
| mbed_official | 354:e67efb2aab0e | 1607 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1608 | |
| mbed_official | 354:e67efb2aab0e | 1609 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (Size != 0)) |
| mbed_official | 354:e67efb2aab0e | 1610 | { |
| mbed_official | 354:e67efb2aab0e | 1611 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 1612 | hi2c->Instance->DR = (*pData++); |
| mbed_official | 354:e67efb2aab0e | 1613 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1614 | } |
| mbed_official | 354:e67efb2aab0e | 1615 | } |
| mbed_official | 354:e67efb2aab0e | 1616 | |
| mbed_official | 354:e67efb2aab0e | 1617 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1618 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1619 | { |
| mbed_official | 354:e67efb2aab0e | 1620 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1621 | } |
| mbed_official | 354:e67efb2aab0e | 1622 | |
| mbed_official | 354:e67efb2aab0e | 1623 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 1624 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 1625 | |
| mbed_official | 354:e67efb2aab0e | 1626 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 1627 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1628 | { |
| mbed_official | 354:e67efb2aab0e | 1629 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1630 | } |
| mbed_official | 354:e67efb2aab0e | 1631 | |
| mbed_official | 354:e67efb2aab0e | 1632 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 1633 | |
| mbed_official | 354:e67efb2aab0e | 1634 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1635 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1636 | |
| mbed_official | 354:e67efb2aab0e | 1637 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1638 | } |
| mbed_official | 354:e67efb2aab0e | 1639 | else |
| mbed_official | 354:e67efb2aab0e | 1640 | { |
| mbed_official | 354:e67efb2aab0e | 1641 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1642 | } |
| mbed_official | 354:e67efb2aab0e | 1643 | } |
| mbed_official | 354:e67efb2aab0e | 1644 | |
| mbed_official | 354:e67efb2aab0e | 1645 | /** |
| mbed_official | 354:e67efb2aab0e | 1646 | * @brief Read an amount of data in blocking mode from a specific memory address |
| mbed_official | 354:e67efb2aab0e | 1647 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1648 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1649 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1650 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 1651 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 1652 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1653 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1654 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 1655 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1656 | */ |
| mbed_official | 354:e67efb2aab0e | 1657 | 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 | 354:e67efb2aab0e | 1658 | { |
| mbed_official | 354:e67efb2aab0e | 1659 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 1660 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
| mbed_official | 354:e67efb2aab0e | 1661 | |
| mbed_official | 354:e67efb2aab0e | 1662 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1663 | { |
| mbed_official | 354:e67efb2aab0e | 1664 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1665 | { |
| mbed_official | 354:e67efb2aab0e | 1666 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1667 | } |
| mbed_official | 354:e67efb2aab0e | 1668 | |
| mbed_official | 354:e67efb2aab0e | 1669 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1670 | { |
| mbed_official | 354:e67efb2aab0e | 1671 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1672 | } |
| mbed_official | 354:e67efb2aab0e | 1673 | |
| mbed_official | 354:e67efb2aab0e | 1674 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1675 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1676 | |
| mbed_official | 354:e67efb2aab0e | 1677 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 1678 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1679 | |
| mbed_official | 354:e67efb2aab0e | 1680 | /* Send Slave Address and Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 1681 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1682 | { |
| mbed_official | 354:e67efb2aab0e | 1683 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1684 | { |
| mbed_official | 354:e67efb2aab0e | 1685 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1686 | } |
| mbed_official | 354:e67efb2aab0e | 1687 | else |
| mbed_official | 354:e67efb2aab0e | 1688 | { |
| mbed_official | 354:e67efb2aab0e | 1689 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1690 | } |
| mbed_official | 354:e67efb2aab0e | 1691 | } |
| mbed_official | 354:e67efb2aab0e | 1692 | |
| mbed_official | 354:e67efb2aab0e | 1693 | if(Size == 1) |
| mbed_official | 354:e67efb2aab0e | 1694 | { |
| mbed_official | 354:e67efb2aab0e | 1695 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1696 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1697 | |
| mbed_official | 354:e67efb2aab0e | 1698 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1699 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1700 | |
| mbed_official | 354:e67efb2aab0e | 1701 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 1702 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 1703 | } |
| mbed_official | 354:e67efb2aab0e | 1704 | else if(Size == 2) |
| mbed_official | 354:e67efb2aab0e | 1705 | { |
| mbed_official | 354:e67efb2aab0e | 1706 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1707 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1708 | |
| mbed_official | 354:e67efb2aab0e | 1709 | /* Enable Pos */ |
| mbed_official | 354:e67efb2aab0e | 1710 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); |
| mbed_official | 354:e67efb2aab0e | 1711 | |
| mbed_official | 354:e67efb2aab0e | 1712 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1713 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1714 | } |
| mbed_official | 354:e67efb2aab0e | 1715 | else |
| mbed_official | 354:e67efb2aab0e | 1716 | { |
| mbed_official | 354:e67efb2aab0e | 1717 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1718 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1719 | } |
| mbed_official | 354:e67efb2aab0e | 1720 | |
| mbed_official | 354:e67efb2aab0e | 1721 | while(Size > 0) |
| mbed_official | 354:e67efb2aab0e | 1722 | { |
| mbed_official | 354:e67efb2aab0e | 1723 | if(Size <= 3) |
| mbed_official | 354:e67efb2aab0e | 1724 | { |
| mbed_official | 354:e67efb2aab0e | 1725 | /* One byte */ |
| mbed_official | 354:e67efb2aab0e | 1726 | if(Size== 1) |
| mbed_official | 354:e67efb2aab0e | 1727 | { |
| mbed_official | 354:e67efb2aab0e | 1728 | /* Wait until RXNE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1729 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1730 | { |
| mbed_official | 354:e67efb2aab0e | 1731 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1732 | } |
| mbed_official | 354:e67efb2aab0e | 1733 | |
| mbed_official | 354:e67efb2aab0e | 1734 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1735 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1736 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1737 | } |
| mbed_official | 354:e67efb2aab0e | 1738 | /* Two bytes */ |
| mbed_official | 354:e67efb2aab0e | 1739 | else if(Size == 2) |
| mbed_official | 354:e67efb2aab0e | 1740 | { |
| mbed_official | 354:e67efb2aab0e | 1741 | /* Wait until BTF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1742 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1743 | { |
| mbed_official | 354:e67efb2aab0e | 1744 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1745 | } |
| mbed_official | 354:e67efb2aab0e | 1746 | |
| mbed_official | 354:e67efb2aab0e | 1747 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 1748 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 1749 | |
| mbed_official | 354:e67efb2aab0e | 1750 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1751 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1752 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1753 | |
| mbed_official | 354:e67efb2aab0e | 1754 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1755 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1756 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1757 | } |
| mbed_official | 354:e67efb2aab0e | 1758 | /* 3 Last bytes */ |
| mbed_official | 354:e67efb2aab0e | 1759 | else |
| mbed_official | 354:e67efb2aab0e | 1760 | { |
| mbed_official | 354:e67efb2aab0e | 1761 | /* Wait until BTF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1762 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1763 | { |
| mbed_official | 354:e67efb2aab0e | 1764 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1765 | } |
| mbed_official | 354:e67efb2aab0e | 1766 | |
| mbed_official | 354:e67efb2aab0e | 1767 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1768 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1769 | |
| mbed_official | 354:e67efb2aab0e | 1770 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1771 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1772 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1773 | |
| mbed_official | 354:e67efb2aab0e | 1774 | /* Wait until BTF flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1775 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1776 | { |
| mbed_official | 354:e67efb2aab0e | 1777 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1778 | } |
| mbed_official | 354:e67efb2aab0e | 1779 | |
| mbed_official | 354:e67efb2aab0e | 1780 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 1781 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 1782 | |
| mbed_official | 354:e67efb2aab0e | 1783 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1784 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1785 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1786 | |
| mbed_official | 354:e67efb2aab0e | 1787 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1788 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1789 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1790 | } |
| mbed_official | 354:e67efb2aab0e | 1791 | } |
| mbed_official | 354:e67efb2aab0e | 1792 | else |
| mbed_official | 354:e67efb2aab0e | 1793 | { |
| mbed_official | 354:e67efb2aab0e | 1794 | /* Wait until RXNE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 1795 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1796 | { |
| mbed_official | 354:e67efb2aab0e | 1797 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1798 | } |
| mbed_official | 354:e67efb2aab0e | 1799 | |
| mbed_official | 354:e67efb2aab0e | 1800 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1801 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1802 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1803 | |
| mbed_official | 354:e67efb2aab0e | 1804 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) |
| mbed_official | 354:e67efb2aab0e | 1805 | { |
| mbed_official | 354:e67efb2aab0e | 1806 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 1807 | (*pData++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 1808 | Size--; |
| mbed_official | 354:e67efb2aab0e | 1809 | } |
| mbed_official | 354:e67efb2aab0e | 1810 | } |
| mbed_official | 354:e67efb2aab0e | 1811 | } |
| mbed_official | 354:e67efb2aab0e | 1812 | |
| mbed_official | 354:e67efb2aab0e | 1813 | /* Disable Pos */ |
| mbed_official | 354:e67efb2aab0e | 1814 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_POS); |
| mbed_official | 354:e67efb2aab0e | 1815 | |
| mbed_official | 354:e67efb2aab0e | 1816 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 1817 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1818 | { |
| mbed_official | 354:e67efb2aab0e | 1819 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1820 | } |
| mbed_official | 354:e67efb2aab0e | 1821 | |
| mbed_official | 354:e67efb2aab0e | 1822 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 1823 | |
| mbed_official | 354:e67efb2aab0e | 1824 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1825 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1826 | |
| mbed_official | 354:e67efb2aab0e | 1827 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1828 | } |
| mbed_official | 354:e67efb2aab0e | 1829 | else |
| mbed_official | 354:e67efb2aab0e | 1830 | { |
| mbed_official | 354:e67efb2aab0e | 1831 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1832 | } |
| mbed_official | 354:e67efb2aab0e | 1833 | } |
| mbed_official | 354:e67efb2aab0e | 1834 | /** |
| mbed_official | 354:e67efb2aab0e | 1835 | * @brief Write an amount of data in no-blocking mode with Interrupt to a specific memory address |
| mbed_official | 354:e67efb2aab0e | 1836 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1837 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1838 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1839 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 1840 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 1841 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1842 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1843 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1844 | */ |
| mbed_official | 354:e67efb2aab0e | 1845 | 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 | 354:e67efb2aab0e | 1846 | { |
| mbed_official | 354:e67efb2aab0e | 1847 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 1848 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
| mbed_official | 354:e67efb2aab0e | 1849 | |
| mbed_official | 354:e67efb2aab0e | 1850 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1851 | { |
| mbed_official | 354:e67efb2aab0e | 1852 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1853 | { |
| mbed_official | 354:e67efb2aab0e | 1854 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1855 | } |
| mbed_official | 354:e67efb2aab0e | 1856 | |
| mbed_official | 354:e67efb2aab0e | 1857 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1858 | { |
| mbed_official | 354:e67efb2aab0e | 1859 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1860 | } |
| mbed_official | 354:e67efb2aab0e | 1861 | |
| mbed_official | 354:e67efb2aab0e | 1862 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1863 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1864 | |
| mbed_official | 354:e67efb2aab0e | 1865 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 1866 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1867 | |
| mbed_official | 354:e67efb2aab0e | 1868 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1869 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1870 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1871 | |
| mbed_official | 354:e67efb2aab0e | 1872 | /* Send Slave Address and Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 1873 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1874 | { |
| mbed_official | 354:e67efb2aab0e | 1875 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1876 | { |
| mbed_official | 354:e67efb2aab0e | 1877 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1878 | } |
| mbed_official | 354:e67efb2aab0e | 1879 | else |
| mbed_official | 354:e67efb2aab0e | 1880 | { |
| mbed_official | 354:e67efb2aab0e | 1881 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1882 | } |
| mbed_official | 354:e67efb2aab0e | 1883 | } |
| mbed_official | 354:e67efb2aab0e | 1884 | |
| mbed_official | 354:e67efb2aab0e | 1885 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1886 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1887 | |
| mbed_official | 354:e67efb2aab0e | 1888 | /* Note : The I2C interrupts must be enabled after unlocking current process |
| mbed_official | 354:e67efb2aab0e | 1889 | to avoid the risk of I2C interrupt handle execution before current |
| mbed_official | 354:e67efb2aab0e | 1890 | process unlock */ |
| mbed_official | 354:e67efb2aab0e | 1891 | |
| mbed_official | 354:e67efb2aab0e | 1892 | /* Enable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 1893 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 1894 | |
| mbed_official | 354:e67efb2aab0e | 1895 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1896 | } |
| mbed_official | 354:e67efb2aab0e | 1897 | else |
| mbed_official | 354:e67efb2aab0e | 1898 | { |
| mbed_official | 354:e67efb2aab0e | 1899 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1900 | } |
| mbed_official | 354:e67efb2aab0e | 1901 | } |
| mbed_official | 354:e67efb2aab0e | 1902 | |
| mbed_official | 354:e67efb2aab0e | 1903 | /** |
| mbed_official | 354:e67efb2aab0e | 1904 | * @brief Read an amount of data in no-blocking mode with Interrupt from a specific memory address |
| mbed_official | 354:e67efb2aab0e | 1905 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 1906 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 1907 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 1908 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 1909 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 1910 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 1911 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 1912 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 1913 | */ |
| mbed_official | 354:e67efb2aab0e | 1914 | 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 | 354:e67efb2aab0e | 1915 | { |
| mbed_official | 354:e67efb2aab0e | 1916 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 1917 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
| mbed_official | 354:e67efb2aab0e | 1918 | |
| mbed_official | 354:e67efb2aab0e | 1919 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 1920 | { |
| mbed_official | 354:e67efb2aab0e | 1921 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 1922 | { |
| mbed_official | 354:e67efb2aab0e | 1923 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1924 | } |
| mbed_official | 354:e67efb2aab0e | 1925 | |
| mbed_official | 354:e67efb2aab0e | 1926 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 1927 | { |
| mbed_official | 354:e67efb2aab0e | 1928 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 1929 | } |
| mbed_official | 354:e67efb2aab0e | 1930 | |
| mbed_official | 354:e67efb2aab0e | 1931 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 1932 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1933 | |
| mbed_official | 354:e67efb2aab0e | 1934 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 1935 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 1936 | |
| mbed_official | 354:e67efb2aab0e | 1937 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 1938 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 1939 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 1940 | |
| mbed_official | 354:e67efb2aab0e | 1941 | /* Send Slave Address and Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 1942 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 1943 | { |
| mbed_official | 354:e67efb2aab0e | 1944 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 1945 | { |
| mbed_official | 354:e67efb2aab0e | 1946 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 1947 | } |
| mbed_official | 354:e67efb2aab0e | 1948 | else |
| mbed_official | 354:e67efb2aab0e | 1949 | { |
| mbed_official | 354:e67efb2aab0e | 1950 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 1951 | } |
| mbed_official | 354:e67efb2aab0e | 1952 | } |
| mbed_official | 354:e67efb2aab0e | 1953 | |
| mbed_official | 354:e67efb2aab0e | 1954 | if(hi2c->XferCount == 1) |
| mbed_official | 354:e67efb2aab0e | 1955 | { |
| mbed_official | 354:e67efb2aab0e | 1956 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1957 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1958 | |
| mbed_official | 354:e67efb2aab0e | 1959 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1960 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1961 | |
| mbed_official | 354:e67efb2aab0e | 1962 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 1963 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 1964 | } |
| mbed_official | 354:e67efb2aab0e | 1965 | else if(hi2c->XferCount == 2) |
| mbed_official | 354:e67efb2aab0e | 1966 | { |
| mbed_official | 354:e67efb2aab0e | 1967 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1968 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1969 | |
| mbed_official | 354:e67efb2aab0e | 1970 | /* Enable Pos */ |
| mbed_official | 354:e67efb2aab0e | 1971 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_POS); |
| mbed_official | 354:e67efb2aab0e | 1972 | |
| mbed_official | 354:e67efb2aab0e | 1973 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1974 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1975 | } |
| mbed_official | 354:e67efb2aab0e | 1976 | else |
| mbed_official | 354:e67efb2aab0e | 1977 | { |
| mbed_official | 354:e67efb2aab0e | 1978 | /* Enable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 1979 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 1980 | |
| mbed_official | 354:e67efb2aab0e | 1981 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 1982 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1983 | } |
| mbed_official | 354:e67efb2aab0e | 1984 | |
| mbed_official | 354:e67efb2aab0e | 1985 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 1986 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 1987 | |
| mbed_official | 354:e67efb2aab0e | 1988 | /* Note : The I2C interrupts must be enabled after unlocking current process |
| mbed_official | 354:e67efb2aab0e | 1989 | to avoid the risk of I2C interrupt handle execution before current |
| mbed_official | 354:e67efb2aab0e | 1990 | process unlock */ |
| mbed_official | 354:e67efb2aab0e | 1991 | |
| mbed_official | 354:e67efb2aab0e | 1992 | /* Enable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 1993 | __HAL_I2C_ENABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 1994 | |
| mbed_official | 354:e67efb2aab0e | 1995 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 1996 | } |
| mbed_official | 354:e67efb2aab0e | 1997 | else |
| mbed_official | 354:e67efb2aab0e | 1998 | { |
| mbed_official | 354:e67efb2aab0e | 1999 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2000 | } |
| mbed_official | 354:e67efb2aab0e | 2001 | } |
| mbed_official | 354:e67efb2aab0e | 2002 | /** |
| mbed_official | 354:e67efb2aab0e | 2003 | * @brief Write an amount of data in no-blocking mode with DMA to a specific memory address |
| mbed_official | 354:e67efb2aab0e | 2004 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2005 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2006 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 2007 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 2008 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 2009 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 2010 | * @param Size: Amount of data to be sent |
| mbed_official | 354:e67efb2aab0e | 2011 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2012 | */ |
| mbed_official | 354:e67efb2aab0e | 2013 | 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 | 354:e67efb2aab0e | 2014 | { |
| mbed_official | 354:e67efb2aab0e | 2015 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 2016 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
| mbed_official | 354:e67efb2aab0e | 2017 | |
| mbed_official | 354:e67efb2aab0e | 2018 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 2019 | { |
| mbed_official | 354:e67efb2aab0e | 2020 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 2021 | { |
| mbed_official | 354:e67efb2aab0e | 2022 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2023 | } |
| mbed_official | 354:e67efb2aab0e | 2024 | |
| mbed_official | 354:e67efb2aab0e | 2025 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 2026 | { |
| mbed_official | 354:e67efb2aab0e | 2027 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2028 | } |
| mbed_official | 354:e67efb2aab0e | 2029 | |
| mbed_official | 354:e67efb2aab0e | 2030 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 2031 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2032 | |
| mbed_official | 354:e67efb2aab0e | 2033 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_TX; |
| mbed_official | 354:e67efb2aab0e | 2034 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 2035 | |
| mbed_official | 354:e67efb2aab0e | 2036 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 2037 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 2038 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 2039 | |
| mbed_official | 354:e67efb2aab0e | 2040 | /* Set the I2C DMA transfert complete callback */ |
| mbed_official | 354:e67efb2aab0e | 2041 | hi2c->hdmatx->XferCpltCallback = I2C_DMAMemTransmitCplt; |
| mbed_official | 354:e67efb2aab0e | 2042 | |
| mbed_official | 354:e67efb2aab0e | 2043 | /* Set the DMA error callback */ |
| mbed_official | 354:e67efb2aab0e | 2044 | hi2c->hdmatx->XferErrorCallback = I2C_DMAError; |
| mbed_official | 354:e67efb2aab0e | 2045 | |
| mbed_official | 354:e67efb2aab0e | 2046 | /* Enable the DMA Channel */ |
| mbed_official | 354:e67efb2aab0e | 2047 | HAL_DMA_Start_IT(hi2c->hdmatx, (uint32_t)pData, (uint32_t)&hi2c->Instance->DR, Size); |
| mbed_official | 354:e67efb2aab0e | 2048 | |
| mbed_official | 354:e67efb2aab0e | 2049 | /* Send Slave Address and Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 2050 | if(I2C_RequestMemoryWrite(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2051 | { |
| mbed_official | 354:e67efb2aab0e | 2052 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 2053 | { |
| mbed_official | 354:e67efb2aab0e | 2054 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2055 | } |
| mbed_official | 354:e67efb2aab0e | 2056 | else |
| mbed_official | 354:e67efb2aab0e | 2057 | { |
| mbed_official | 354:e67efb2aab0e | 2058 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2059 | } |
| mbed_official | 354:e67efb2aab0e | 2060 | } |
| mbed_official | 354:e67efb2aab0e | 2061 | |
| mbed_official | 354:e67efb2aab0e | 2062 | /* Enable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 2063 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 2064 | |
| mbed_official | 354:e67efb2aab0e | 2065 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 2066 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2067 | |
| mbed_official | 354:e67efb2aab0e | 2068 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2069 | } |
| mbed_official | 354:e67efb2aab0e | 2070 | else |
| mbed_official | 354:e67efb2aab0e | 2071 | { |
| mbed_official | 354:e67efb2aab0e | 2072 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2073 | } |
| mbed_official | 354:e67efb2aab0e | 2074 | } |
| mbed_official | 354:e67efb2aab0e | 2075 | |
| mbed_official | 354:e67efb2aab0e | 2076 | /** |
| mbed_official | 354:e67efb2aab0e | 2077 | * @brief Reads an amount of data in no-blocking mode with DMA from a specific memory address. |
| mbed_official | 354:e67efb2aab0e | 2078 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2079 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2080 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 2081 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 2082 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 2083 | * @param pData: Pointer to data buffer |
| mbed_official | 354:e67efb2aab0e | 2084 | * @param Size: Amount of data to be read |
| mbed_official | 354:e67efb2aab0e | 2085 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2086 | */ |
| mbed_official | 354:e67efb2aab0e | 2087 | 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 | 354:e67efb2aab0e | 2088 | { |
| mbed_official | 354:e67efb2aab0e | 2089 | /* Check the parameters */ |
| mbed_official | 354:e67efb2aab0e | 2090 | assert_param(IS_I2C_MEMADD_SIZE(MemAddSize)); |
| mbed_official | 354:e67efb2aab0e | 2091 | |
| mbed_official | 354:e67efb2aab0e | 2092 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 2093 | { |
| mbed_official | 354:e67efb2aab0e | 2094 | if((pData == HAL_NULL) || (Size == 0)) |
| mbed_official | 354:e67efb2aab0e | 2095 | { |
| mbed_official | 354:e67efb2aab0e | 2096 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2097 | } |
| mbed_official | 354:e67efb2aab0e | 2098 | |
| mbed_official | 354:e67efb2aab0e | 2099 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 2100 | { |
| mbed_official | 354:e67efb2aab0e | 2101 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2102 | } |
| mbed_official | 354:e67efb2aab0e | 2103 | |
| mbed_official | 354:e67efb2aab0e | 2104 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 2105 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2106 | |
| mbed_official | 354:e67efb2aab0e | 2107 | hi2c->State = HAL_I2C_STATE_MEM_BUSY_RX; |
| mbed_official | 354:e67efb2aab0e | 2108 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 2109 | |
| mbed_official | 354:e67efb2aab0e | 2110 | hi2c->pBuffPtr = pData; |
| mbed_official | 354:e67efb2aab0e | 2111 | hi2c->XferSize = Size; |
| mbed_official | 354:e67efb2aab0e | 2112 | hi2c->XferCount = Size; |
| mbed_official | 354:e67efb2aab0e | 2113 | |
| mbed_official | 354:e67efb2aab0e | 2114 | /* Set the I2C DMA transfert complete callback */ |
| mbed_official | 354:e67efb2aab0e | 2115 | hi2c->hdmarx->XferCpltCallback = I2C_DMAMemReceiveCplt; |
| mbed_official | 354:e67efb2aab0e | 2116 | |
| mbed_official | 354:e67efb2aab0e | 2117 | /* Set the DMA error callback */ |
| mbed_official | 354:e67efb2aab0e | 2118 | hi2c->hdmarx->XferErrorCallback = I2C_DMAError; |
| mbed_official | 354:e67efb2aab0e | 2119 | |
| mbed_official | 354:e67efb2aab0e | 2120 | /* Enable the DMA Channel */ |
| mbed_official | 354:e67efb2aab0e | 2121 | HAL_DMA_Start_IT(hi2c->hdmarx, (uint32_t)&hi2c->Instance->DR, (uint32_t)pData, Size); |
| mbed_official | 354:e67efb2aab0e | 2122 | |
| mbed_official | 354:e67efb2aab0e | 2123 | /* Send Slave Address and Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 2124 | if(I2C_RequestMemoryRead(hi2c, DevAddress, MemAddress, MemAddSize, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2125 | { |
| mbed_official | 354:e67efb2aab0e | 2126 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 2127 | { |
| mbed_official | 354:e67efb2aab0e | 2128 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2129 | } |
| mbed_official | 354:e67efb2aab0e | 2130 | else |
| mbed_official | 354:e67efb2aab0e | 2131 | { |
| mbed_official | 354:e67efb2aab0e | 2132 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2133 | } |
| mbed_official | 354:e67efb2aab0e | 2134 | } |
| mbed_official | 354:e67efb2aab0e | 2135 | |
| mbed_official | 354:e67efb2aab0e | 2136 | if(Size == 1) |
| mbed_official | 354:e67efb2aab0e | 2137 | { |
| mbed_official | 354:e67efb2aab0e | 2138 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 2139 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 2140 | } |
| mbed_official | 354:e67efb2aab0e | 2141 | else |
| mbed_official | 354:e67efb2aab0e | 2142 | { |
| mbed_official | 354:e67efb2aab0e | 2143 | /* Enable Last DMA bit */ |
| mbed_official | 354:e67efb2aab0e | 2144 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); |
| mbed_official | 354:e67efb2aab0e | 2145 | } |
| mbed_official | 354:e67efb2aab0e | 2146 | |
| mbed_official | 354:e67efb2aab0e | 2147 | /* Enable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 2148 | SET_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 2149 | |
| mbed_official | 354:e67efb2aab0e | 2150 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 2151 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2152 | |
| mbed_official | 354:e67efb2aab0e | 2153 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 2154 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2155 | |
| mbed_official | 354:e67efb2aab0e | 2156 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2157 | } |
| mbed_official | 354:e67efb2aab0e | 2158 | else |
| mbed_official | 354:e67efb2aab0e | 2159 | { |
| mbed_official | 354:e67efb2aab0e | 2160 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2161 | } |
| mbed_official | 354:e67efb2aab0e | 2162 | } |
| mbed_official | 354:e67efb2aab0e | 2163 | |
| mbed_official | 354:e67efb2aab0e | 2164 | /** |
| mbed_official | 354:e67efb2aab0e | 2165 | * @brief Checks if target device is ready for communication. |
| mbed_official | 354:e67efb2aab0e | 2166 | * @note This function is used with Memory devices |
| mbed_official | 354:e67efb2aab0e | 2167 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2168 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2169 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 2170 | * @param Trials: Number of trials |
| mbed_official | 354:e67efb2aab0e | 2171 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 2172 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2173 | */ |
| mbed_official | 354:e67efb2aab0e | 2174 | HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 2175 | { |
| mbed_official | 354:e67efb2aab0e | 2176 | uint32_t tickstart = 0, I2C_Trials = 1; |
| mbed_official | 354:e67efb2aab0e | 2177 | |
| mbed_official | 354:e67efb2aab0e | 2178 | if(hi2c->State == HAL_I2C_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 2179 | { |
| mbed_official | 354:e67efb2aab0e | 2180 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BUSY) == SET) |
| mbed_official | 354:e67efb2aab0e | 2181 | { |
| mbed_official | 354:e67efb2aab0e | 2182 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2183 | } |
| mbed_official | 354:e67efb2aab0e | 2184 | |
| mbed_official | 354:e67efb2aab0e | 2185 | /* Process Locked */ |
| mbed_official | 354:e67efb2aab0e | 2186 | __HAL_LOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2187 | |
| mbed_official | 354:e67efb2aab0e | 2188 | hi2c->State = HAL_I2C_STATE_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2189 | hi2c->ErrorCode = HAL_I2C_ERROR_NONE; |
| mbed_official | 354:e67efb2aab0e | 2190 | |
| mbed_official | 354:e67efb2aab0e | 2191 | do |
| mbed_official | 354:e67efb2aab0e | 2192 | { |
| mbed_official | 354:e67efb2aab0e | 2193 | /* Generate Start */ |
| mbed_official | 354:e67efb2aab0e | 2194 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 2195 | |
| mbed_official | 354:e67efb2aab0e | 2196 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 2197 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2198 | { |
| mbed_official | 354:e67efb2aab0e | 2199 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2200 | } |
| mbed_official | 354:e67efb2aab0e | 2201 | |
| mbed_official | 354:e67efb2aab0e | 2202 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 2203 | hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 2204 | |
| mbed_official | 354:e67efb2aab0e | 2205 | /* Wait until ADDR or AF flag are set */ |
| mbed_official | 354:e67efb2aab0e | 2206 | /* Get tick */ |
| mbed_official | 354:e67efb2aab0e | 2207 | tickstart = HAL_GetTick(); |
| mbed_official | 354:e67efb2aab0e | 2208 | |
| mbed_official | 354:e67efb2aab0e | 2209 | while((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == RESET) && \ |
| mbed_official | 354:e67efb2aab0e | 2210 | (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == RESET) && \ |
| mbed_official | 354:e67efb2aab0e | 2211 | (hi2c->State != HAL_I2C_STATE_TIMEOUT)) |
| mbed_official | 354:e67efb2aab0e | 2212 | { |
| mbed_official | 354:e67efb2aab0e | 2213 | if(Timeout != HAL_MAX_DELAY) |
| mbed_official | 354:e67efb2aab0e | 2214 | { |
| mbed_official | 354:e67efb2aab0e | 2215 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
| mbed_official | 354:e67efb2aab0e | 2216 | { |
| mbed_official | 354:e67efb2aab0e | 2217 | hi2c->State = HAL_I2C_STATE_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2218 | } |
| mbed_official | 354:e67efb2aab0e | 2219 | } |
| mbed_official | 354:e67efb2aab0e | 2220 | } |
| mbed_official | 354:e67efb2aab0e | 2221 | |
| mbed_official | 354:e67efb2aab0e | 2222 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2223 | |
| mbed_official | 354:e67efb2aab0e | 2224 | /* Check if the ADDR flag has been set */ |
| mbed_official | 354:e67efb2aab0e | 2225 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) |
| mbed_official | 354:e67efb2aab0e | 2226 | { |
| mbed_official | 354:e67efb2aab0e | 2227 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 2228 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 2229 | |
| mbed_official | 354:e67efb2aab0e | 2230 | /* Clear ADDR Flag */ |
| mbed_official | 354:e67efb2aab0e | 2231 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2232 | |
| mbed_official | 354:e67efb2aab0e | 2233 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2234 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2235 | { |
| mbed_official | 354:e67efb2aab0e | 2236 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2237 | } |
| mbed_official | 354:e67efb2aab0e | 2238 | |
| mbed_official | 354:e67efb2aab0e | 2239 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2240 | |
| mbed_official | 354:e67efb2aab0e | 2241 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 2242 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2243 | |
| mbed_official | 354:e67efb2aab0e | 2244 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2245 | } |
| mbed_official | 354:e67efb2aab0e | 2246 | else |
| mbed_official | 354:e67efb2aab0e | 2247 | { |
| mbed_official | 354:e67efb2aab0e | 2248 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 2249 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 2250 | |
| mbed_official | 354:e67efb2aab0e | 2251 | /* Clear AF Flag */ |
| mbed_official | 354:e67efb2aab0e | 2252 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
| mbed_official | 354:e67efb2aab0e | 2253 | |
| mbed_official | 354:e67efb2aab0e | 2254 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2255 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2256 | { |
| mbed_official | 354:e67efb2aab0e | 2257 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2258 | } |
| mbed_official | 354:e67efb2aab0e | 2259 | } |
| mbed_official | 354:e67efb2aab0e | 2260 | }while(I2C_Trials++ < Trials); |
| mbed_official | 354:e67efb2aab0e | 2261 | |
| mbed_official | 354:e67efb2aab0e | 2262 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2263 | |
| mbed_official | 354:e67efb2aab0e | 2264 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 2265 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2266 | |
| mbed_official | 354:e67efb2aab0e | 2267 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2268 | } |
| mbed_official | 354:e67efb2aab0e | 2269 | else |
| mbed_official | 354:e67efb2aab0e | 2270 | { |
| mbed_official | 354:e67efb2aab0e | 2271 | return HAL_BUSY; |
| mbed_official | 354:e67efb2aab0e | 2272 | } |
| mbed_official | 354:e67efb2aab0e | 2273 | } |
| mbed_official | 354:e67efb2aab0e | 2274 | |
| mbed_official | 354:e67efb2aab0e | 2275 | /** |
| mbed_official | 354:e67efb2aab0e | 2276 | * @brief This function handles I2C event interrupt request. |
| mbed_official | 354:e67efb2aab0e | 2277 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2278 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2279 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2280 | */ |
| mbed_official | 354:e67efb2aab0e | 2281 | void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2282 | { |
| mbed_official | 354:e67efb2aab0e | 2283 | /* Master mode selected */ |
| mbed_official | 354:e67efb2aab0e | 2284 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_MSL) == SET) |
| mbed_official | 354:e67efb2aab0e | 2285 | { |
| mbed_official | 354:e67efb2aab0e | 2286 | /* I2C in mode Transmitter -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2287 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TRA) == SET) |
| mbed_official | 354:e67efb2aab0e | 2288 | { |
| mbed_official | 354:e67efb2aab0e | 2289 | /* TXE set and BTF reset -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2290 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXE) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2291 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_BUF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2292 | (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == RESET)) |
| mbed_official | 354:e67efb2aab0e | 2293 | { |
| mbed_official | 354:e67efb2aab0e | 2294 | I2C_MasterTransmit_TXE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2295 | } |
| mbed_official | 354:e67efb2aab0e | 2296 | /* BTF set -------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2297 | else if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2298 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_EVT) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2299 | { |
| mbed_official | 354:e67efb2aab0e | 2300 | I2C_MasterTransmit_BTF(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2301 | } |
| mbed_official | 354:e67efb2aab0e | 2302 | } |
| mbed_official | 354:e67efb2aab0e | 2303 | /* I2C in mode Receiver --------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2304 | else |
| mbed_official | 354:e67efb2aab0e | 2305 | { |
| mbed_official | 354:e67efb2aab0e | 2306 | /* RXNE set and BTF reset -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2307 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2308 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_BUF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2309 | (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == RESET)) |
| mbed_official | 354:e67efb2aab0e | 2310 | { |
| mbed_official | 354:e67efb2aab0e | 2311 | I2C_MasterReceive_RXNE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2312 | } |
| mbed_official | 354:e67efb2aab0e | 2313 | /* BTF set -------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2314 | else if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_EVT) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2315 | { |
| mbed_official | 354:e67efb2aab0e | 2316 | I2C_MasterReceive_BTF(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2317 | } |
| mbed_official | 354:e67efb2aab0e | 2318 | } |
| mbed_official | 354:e67efb2aab0e | 2319 | } |
| mbed_official | 354:e67efb2aab0e | 2320 | /* Slave mode selected */ |
| mbed_official | 354:e67efb2aab0e | 2321 | else |
| mbed_official | 354:e67efb2aab0e | 2322 | { |
| mbed_official | 354:e67efb2aab0e | 2323 | /* ADDR set --------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2324 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ADDR) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2325 | (__HAL_I2C_GET_IT_SOURCE(hi2c, (I2C_IT_EVT)) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2326 | { |
| mbed_official | 354:e67efb2aab0e | 2327 | I2C_Slave_ADDR(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2328 | } |
| mbed_official | 354:e67efb2aab0e | 2329 | /* STOPF set --------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2330 | else if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_STOPF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2331 | (__HAL_I2C_GET_IT_SOURCE(hi2c, (I2C_IT_EVT)) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2332 | { |
| mbed_official | 354:e67efb2aab0e | 2333 | I2C_Slave_STOPF(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2334 | } |
| mbed_official | 354:e67efb2aab0e | 2335 | /* I2C in mode Transmitter -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2336 | else if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TRA) == SET) |
| mbed_official | 354:e67efb2aab0e | 2337 | { |
| mbed_official | 354:e67efb2aab0e | 2338 | /* TXE set and BTF reset -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2339 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_TXE) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2340 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_BUF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2341 | (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == RESET)) |
| mbed_official | 354:e67efb2aab0e | 2342 | { |
| mbed_official | 354:e67efb2aab0e | 2343 | I2C_SlaveTransmit_TXE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2344 | } |
| mbed_official | 354:e67efb2aab0e | 2345 | /* BTF set -------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2346 | else if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2347 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_EVT) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2348 | { |
| mbed_official | 354:e67efb2aab0e | 2349 | I2C_SlaveTransmit_BTF(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2350 | } |
| mbed_official | 354:e67efb2aab0e | 2351 | } |
| mbed_official | 354:e67efb2aab0e | 2352 | /* I2C in mode Receiver --------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2353 | else |
| mbed_official | 354:e67efb2aab0e | 2354 | { |
| mbed_official | 354:e67efb2aab0e | 2355 | /* RXNE set and BTF reset ----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2356 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_RXNE) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2357 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_BUF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2358 | (__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == RESET)) |
| mbed_official | 354:e67efb2aab0e | 2359 | { |
| mbed_official | 354:e67efb2aab0e | 2360 | I2C_SlaveReceive_RXNE(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2361 | } |
| mbed_official | 354:e67efb2aab0e | 2362 | /* BTF set -------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2363 | else if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BTF) == SET) && (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_EVT) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2364 | { |
| mbed_official | 354:e67efb2aab0e | 2365 | I2C_SlaveReceive_BTF(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2366 | } |
| mbed_official | 354:e67efb2aab0e | 2367 | } |
| mbed_official | 354:e67efb2aab0e | 2368 | } |
| mbed_official | 354:e67efb2aab0e | 2369 | } |
| mbed_official | 354:e67efb2aab0e | 2370 | |
| mbed_official | 354:e67efb2aab0e | 2371 | /** |
| mbed_official | 354:e67efb2aab0e | 2372 | * @brief This function handles I2C error interrupt request. |
| mbed_official | 354:e67efb2aab0e | 2373 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2374 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2375 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2376 | */ |
| mbed_official | 354:e67efb2aab0e | 2377 | void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2378 | { |
| mbed_official | 354:e67efb2aab0e | 2379 | |
| mbed_official | 354:e67efb2aab0e | 2380 | /* I2C Bus error interrupt occurred ----------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2381 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_BERR) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2382 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERR) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2383 | { |
| mbed_official | 354:e67efb2aab0e | 2384 | hi2c->ErrorCode |= HAL_I2C_ERROR_BERR; |
| mbed_official | 354:e67efb2aab0e | 2385 | |
| mbed_official | 354:e67efb2aab0e | 2386 | /* Clear BERR flag */ |
| mbed_official | 354:e67efb2aab0e | 2387 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_BERR); |
| mbed_official | 354:e67efb2aab0e | 2388 | } |
| mbed_official | 354:e67efb2aab0e | 2389 | |
| mbed_official | 354:e67efb2aab0e | 2390 | /* I2C Arbitration Loss error interrupt occurred ---------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2391 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_ARLO) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2392 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERR) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2393 | { |
| mbed_official | 354:e67efb2aab0e | 2394 | hi2c->ErrorCode |= HAL_I2C_ERROR_ARLO; |
| mbed_official | 354:e67efb2aab0e | 2395 | |
| mbed_official | 354:e67efb2aab0e | 2396 | /* Clear ARLO flag */ |
| mbed_official | 354:e67efb2aab0e | 2397 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_ARLO); |
| mbed_official | 354:e67efb2aab0e | 2398 | } |
| mbed_official | 354:e67efb2aab0e | 2399 | |
| mbed_official | 354:e67efb2aab0e | 2400 | /* I2C Acknowledge failure error interrupt occurred ------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2401 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2402 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERR) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2403 | { |
| mbed_official | 354:e67efb2aab0e | 2404 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_MSL) == RESET) && \ |
| mbed_official | 354:e67efb2aab0e | 2405 | (hi2c->XferCount == 0) && \ |
| mbed_official | 354:e67efb2aab0e | 2406 | (hi2c->State == HAL_I2C_STATE_BUSY_TX)) |
| mbed_official | 354:e67efb2aab0e | 2407 | { |
| mbed_official | 354:e67efb2aab0e | 2408 | I2C_Slave_AF(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2409 | } |
| mbed_official | 354:e67efb2aab0e | 2410 | else |
| mbed_official | 354:e67efb2aab0e | 2411 | { |
| mbed_official | 354:e67efb2aab0e | 2412 | hi2c->ErrorCode |= HAL_I2C_ERROR_AF; |
| mbed_official | 354:e67efb2aab0e | 2413 | /* Clear AF flag */ |
| mbed_official | 354:e67efb2aab0e | 2414 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
| mbed_official | 354:e67efb2aab0e | 2415 | } |
| mbed_official | 354:e67efb2aab0e | 2416 | } |
| mbed_official | 354:e67efb2aab0e | 2417 | |
| mbed_official | 354:e67efb2aab0e | 2418 | /* I2C Over-Run/Under-Run interrupt occurred -------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 2419 | if((__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_OVR) == SET) && \ |
| mbed_official | 354:e67efb2aab0e | 2420 | (__HAL_I2C_GET_IT_SOURCE(hi2c, I2C_IT_ERR) == SET)) |
| mbed_official | 354:e67efb2aab0e | 2421 | { |
| mbed_official | 354:e67efb2aab0e | 2422 | hi2c->ErrorCode |= HAL_I2C_ERROR_OVR; |
| mbed_official | 354:e67efb2aab0e | 2423 | /* Clear OVR flag */ |
| mbed_official | 354:e67efb2aab0e | 2424 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_OVR); |
| mbed_official | 354:e67efb2aab0e | 2425 | } |
| mbed_official | 354:e67efb2aab0e | 2426 | |
| mbed_official | 354:e67efb2aab0e | 2427 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 2428 | { |
| mbed_official | 354:e67efb2aab0e | 2429 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2430 | |
| mbed_official | 354:e67efb2aab0e | 2431 | /* Disable EVT, BUF and ERR interrupts */ |
| mbed_official | 354:e67efb2aab0e | 2432 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 2433 | |
| mbed_official | 354:e67efb2aab0e | 2434 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2435 | } |
| mbed_official | 354:e67efb2aab0e | 2436 | } |
| mbed_official | 354:e67efb2aab0e | 2437 | |
| mbed_official | 354:e67efb2aab0e | 2438 | /** |
| mbed_official | 354:e67efb2aab0e | 2439 | * @brief Master Tx Transfer completed callbacks. |
| mbed_official | 354:e67efb2aab0e | 2440 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2441 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2442 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2443 | */ |
| mbed_official | 354:e67efb2aab0e | 2444 | __weak void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2445 | { |
| mbed_official | 354:e67efb2aab0e | 2446 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2447 | the HAL_I2C_MasterTxCpltCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2448 | */ |
| mbed_official | 354:e67efb2aab0e | 2449 | } |
| mbed_official | 354:e67efb2aab0e | 2450 | |
| mbed_official | 354:e67efb2aab0e | 2451 | /** |
| mbed_official | 354:e67efb2aab0e | 2452 | * @brief Master Rx Transfer completed callbacks. |
| mbed_official | 354:e67efb2aab0e | 2453 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2454 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2455 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2456 | */ |
| mbed_official | 354:e67efb2aab0e | 2457 | __weak void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2458 | { |
| mbed_official | 354:e67efb2aab0e | 2459 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2460 | the HAL_I2C_MasterRxCpltCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2461 | */ |
| mbed_official | 354:e67efb2aab0e | 2462 | } |
| mbed_official | 354:e67efb2aab0e | 2463 | |
| mbed_official | 354:e67efb2aab0e | 2464 | /** @brief Slave Tx Transfer completed callbacks. |
| mbed_official | 354:e67efb2aab0e | 2465 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2466 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2467 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2468 | */ |
| mbed_official | 354:e67efb2aab0e | 2469 | __weak void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2470 | { |
| mbed_official | 354:e67efb2aab0e | 2471 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2472 | the HAL_I2C_SlaveTxCpltCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2473 | */ |
| mbed_official | 354:e67efb2aab0e | 2474 | } |
| mbed_official | 354:e67efb2aab0e | 2475 | |
| mbed_official | 354:e67efb2aab0e | 2476 | /** |
| mbed_official | 354:e67efb2aab0e | 2477 | * @brief Slave Rx Transfer completed callbacks. |
| mbed_official | 354:e67efb2aab0e | 2478 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2479 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2480 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2481 | */ |
| mbed_official | 354:e67efb2aab0e | 2482 | __weak void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2483 | { |
| mbed_official | 354:e67efb2aab0e | 2484 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2485 | the HAL_I2C_SlaveRxCpltCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2486 | */ |
| mbed_official | 354:e67efb2aab0e | 2487 | } |
| mbed_official | 354:e67efb2aab0e | 2488 | |
| mbed_official | 354:e67efb2aab0e | 2489 | /** |
| mbed_official | 354:e67efb2aab0e | 2490 | * @brief Memory Tx Transfer completed callbacks. |
| mbed_official | 354:e67efb2aab0e | 2491 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2492 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2493 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2494 | */ |
| mbed_official | 354:e67efb2aab0e | 2495 | __weak void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2496 | { |
| mbed_official | 354:e67efb2aab0e | 2497 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2498 | the HAL_I2C_MemTxCpltCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2499 | */ |
| mbed_official | 354:e67efb2aab0e | 2500 | } |
| mbed_official | 354:e67efb2aab0e | 2501 | |
| mbed_official | 354:e67efb2aab0e | 2502 | /** |
| mbed_official | 354:e67efb2aab0e | 2503 | * @brief Memory Rx Transfer completed callbacks. |
| mbed_official | 354:e67efb2aab0e | 2504 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2505 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2506 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2507 | */ |
| mbed_official | 354:e67efb2aab0e | 2508 | __weak void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2509 | { |
| mbed_official | 354:e67efb2aab0e | 2510 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2511 | the HAL_I2C_MemRxCpltCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2512 | */ |
| mbed_official | 354:e67efb2aab0e | 2513 | } |
| mbed_official | 354:e67efb2aab0e | 2514 | |
| mbed_official | 354:e67efb2aab0e | 2515 | /** |
| mbed_official | 354:e67efb2aab0e | 2516 | * @brief I2C error callbacks. |
| mbed_official | 354:e67efb2aab0e | 2517 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2518 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2519 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 2520 | */ |
| mbed_official | 354:e67efb2aab0e | 2521 | __weak void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2522 | { |
| mbed_official | 354:e67efb2aab0e | 2523 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 354:e67efb2aab0e | 2524 | the HAL_I2C_ErrorCallback can be implemented in the user file |
| mbed_official | 354:e67efb2aab0e | 2525 | */ |
| mbed_official | 354:e67efb2aab0e | 2526 | } |
| mbed_official | 354:e67efb2aab0e | 2527 | |
| mbed_official | 354:e67efb2aab0e | 2528 | /** |
| mbed_official | 354:e67efb2aab0e | 2529 | * @} |
| mbed_official | 354:e67efb2aab0e | 2530 | */ |
| mbed_official | 354:e67efb2aab0e | 2531 | |
| mbed_official | 354:e67efb2aab0e | 2532 | /** @defgroup I2C_Exported_Functions_Group3 Peripheral State and Errors functions |
| mbed_official | 354:e67efb2aab0e | 2533 | * @brief Peripheral State and Errors functions |
| mbed_official | 354:e67efb2aab0e | 2534 | * |
| mbed_official | 354:e67efb2aab0e | 2535 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 2536 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 2537 | ##### Peripheral State and Errors functions ##### |
| mbed_official | 354:e67efb2aab0e | 2538 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 2539 | [..] |
| mbed_official | 354:e67efb2aab0e | 2540 | This subsection permits to get in run-time the status of the peripheral |
| mbed_official | 354:e67efb2aab0e | 2541 | and the data flow. |
| mbed_official | 354:e67efb2aab0e | 2542 | |
| mbed_official | 354:e67efb2aab0e | 2543 | @endverbatim |
| mbed_official | 354:e67efb2aab0e | 2544 | * @{ |
| mbed_official | 354:e67efb2aab0e | 2545 | */ |
| mbed_official | 354:e67efb2aab0e | 2546 | |
| mbed_official | 354:e67efb2aab0e | 2547 | /** |
| mbed_official | 354:e67efb2aab0e | 2548 | * @brief Returns the I2C state. |
| mbed_official | 354:e67efb2aab0e | 2549 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2550 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2551 | * @retval HAL state |
| mbed_official | 354:e67efb2aab0e | 2552 | */ |
| mbed_official | 354:e67efb2aab0e | 2553 | HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2554 | { |
| mbed_official | 354:e67efb2aab0e | 2555 | return hi2c->State; |
| mbed_official | 354:e67efb2aab0e | 2556 | } |
| mbed_official | 354:e67efb2aab0e | 2557 | |
| mbed_official | 354:e67efb2aab0e | 2558 | /** |
| mbed_official | 354:e67efb2aab0e | 2559 | * @brief Return the I2C error code |
| mbed_official | 354:e67efb2aab0e | 2560 | * @param hi2c : pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2561 | * the configuration information for the specified I2C. |
| mbed_official | 354:e67efb2aab0e | 2562 | * @retval I2C Error Code |
| mbed_official | 354:e67efb2aab0e | 2563 | */ |
| mbed_official | 354:e67efb2aab0e | 2564 | uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2565 | { |
| mbed_official | 354:e67efb2aab0e | 2566 | return hi2c->ErrorCode; |
| mbed_official | 354:e67efb2aab0e | 2567 | } |
| mbed_official | 354:e67efb2aab0e | 2568 | |
| mbed_official | 354:e67efb2aab0e | 2569 | /** |
| mbed_official | 354:e67efb2aab0e | 2570 | * @} |
| mbed_official | 354:e67efb2aab0e | 2571 | */ |
| mbed_official | 354:e67efb2aab0e | 2572 | |
| mbed_official | 354:e67efb2aab0e | 2573 | /** |
| mbed_official | 354:e67efb2aab0e | 2574 | * @} |
| mbed_official | 354:e67efb2aab0e | 2575 | */ |
| mbed_official | 354:e67efb2aab0e | 2576 | |
| mbed_official | 354:e67efb2aab0e | 2577 | |
| mbed_official | 354:e67efb2aab0e | 2578 | /** @addtogroup I2C_Private_Functions |
| mbed_official | 354:e67efb2aab0e | 2579 | * @{ |
| mbed_official | 354:e67efb2aab0e | 2580 | */ |
| mbed_official | 354:e67efb2aab0e | 2581 | |
| mbed_official | 354:e67efb2aab0e | 2582 | |
| mbed_official | 354:e67efb2aab0e | 2583 | /** |
| mbed_official | 354:e67efb2aab0e | 2584 | * @brief Handle TXE flag for Master |
| mbed_official | 354:e67efb2aab0e | 2585 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2586 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2587 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2588 | */ |
| mbed_official | 354:e67efb2aab0e | 2589 | static HAL_StatusTypeDef I2C_MasterTransmit_TXE(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2590 | { |
| mbed_official | 354:e67efb2aab0e | 2591 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 2592 | hi2c->Instance->DR = (*hi2c->pBuffPtr++); |
| mbed_official | 354:e67efb2aab0e | 2593 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2594 | |
| mbed_official | 354:e67efb2aab0e | 2595 | if(hi2c->XferCount == 0) |
| mbed_official | 354:e67efb2aab0e | 2596 | { |
| mbed_official | 354:e67efb2aab0e | 2597 | /* Disable BUF interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2598 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); |
| mbed_official | 354:e67efb2aab0e | 2599 | } |
| mbed_official | 354:e67efb2aab0e | 2600 | |
| mbed_official | 354:e67efb2aab0e | 2601 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2602 | } |
| mbed_official | 354:e67efb2aab0e | 2603 | |
| mbed_official | 354:e67efb2aab0e | 2604 | /** |
| mbed_official | 354:e67efb2aab0e | 2605 | * @brief Handle BTF flag for Master transmitter |
| mbed_official | 354:e67efb2aab0e | 2606 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2607 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2608 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2609 | */ |
| mbed_official | 354:e67efb2aab0e | 2610 | static HAL_StatusTypeDef I2C_MasterTransmit_BTF(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2611 | { |
| mbed_official | 354:e67efb2aab0e | 2612 | if(hi2c->XferCount != 0) |
| mbed_official | 354:e67efb2aab0e | 2613 | { |
| mbed_official | 354:e67efb2aab0e | 2614 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 2615 | hi2c->Instance->DR = (*hi2c->pBuffPtr++); |
| mbed_official | 354:e67efb2aab0e | 2616 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2617 | } |
| mbed_official | 354:e67efb2aab0e | 2618 | else |
| mbed_official | 354:e67efb2aab0e | 2619 | { |
| mbed_official | 354:e67efb2aab0e | 2620 | /* Disable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2621 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 2622 | |
| mbed_official | 354:e67efb2aab0e | 2623 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 2624 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 2625 | |
| mbed_official | 354:e67efb2aab0e | 2626 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2627 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2628 | { |
| mbed_official | 354:e67efb2aab0e | 2629 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2630 | } |
| mbed_official | 354:e67efb2aab0e | 2631 | |
| mbed_official | 354:e67efb2aab0e | 2632 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_TX) |
| mbed_official | 354:e67efb2aab0e | 2633 | { |
| mbed_official | 354:e67efb2aab0e | 2634 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2635 | |
| mbed_official | 354:e67efb2aab0e | 2636 | HAL_I2C_MemTxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2637 | } |
| mbed_official | 354:e67efb2aab0e | 2638 | else |
| mbed_official | 354:e67efb2aab0e | 2639 | { |
| mbed_official | 354:e67efb2aab0e | 2640 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2641 | |
| mbed_official | 354:e67efb2aab0e | 2642 | HAL_I2C_MasterTxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2643 | } |
| mbed_official | 354:e67efb2aab0e | 2644 | } |
| mbed_official | 354:e67efb2aab0e | 2645 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2646 | } |
| mbed_official | 354:e67efb2aab0e | 2647 | |
| mbed_official | 354:e67efb2aab0e | 2648 | /** |
| mbed_official | 354:e67efb2aab0e | 2649 | * @brief Handle RXNE flag for Master |
| mbed_official | 354:e67efb2aab0e | 2650 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2651 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2652 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2653 | */ |
| mbed_official | 354:e67efb2aab0e | 2654 | static HAL_StatusTypeDef I2C_MasterReceive_RXNE(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2655 | { |
| mbed_official | 354:e67efb2aab0e | 2656 | uint32_t tmp = 0; |
| mbed_official | 354:e67efb2aab0e | 2657 | |
| mbed_official | 354:e67efb2aab0e | 2658 | tmp = hi2c->XferCount; |
| mbed_official | 354:e67efb2aab0e | 2659 | if(tmp > 3) |
| mbed_official | 354:e67efb2aab0e | 2660 | { |
| mbed_official | 354:e67efb2aab0e | 2661 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2662 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2663 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2664 | } |
| mbed_official | 354:e67efb2aab0e | 2665 | else if((tmp == 2) || (tmp == 3)) |
| mbed_official | 354:e67efb2aab0e | 2666 | { |
| mbed_official | 354:e67efb2aab0e | 2667 | /* Disable BUF interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2668 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_BUF); |
| mbed_official | 354:e67efb2aab0e | 2669 | } |
| mbed_official | 354:e67efb2aab0e | 2670 | else |
| mbed_official | 354:e67efb2aab0e | 2671 | { |
| mbed_official | 354:e67efb2aab0e | 2672 | /* Disable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2673 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 2674 | |
| mbed_official | 354:e67efb2aab0e | 2675 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2676 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2677 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2678 | |
| mbed_official | 354:e67efb2aab0e | 2679 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2680 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2681 | { |
| mbed_official | 354:e67efb2aab0e | 2682 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2683 | } |
| mbed_official | 354:e67efb2aab0e | 2684 | |
| mbed_official | 354:e67efb2aab0e | 2685 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX) |
| mbed_official | 354:e67efb2aab0e | 2686 | { |
| mbed_official | 354:e67efb2aab0e | 2687 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2688 | |
| mbed_official | 354:e67efb2aab0e | 2689 | HAL_I2C_MemRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2690 | } |
| mbed_official | 354:e67efb2aab0e | 2691 | else |
| mbed_official | 354:e67efb2aab0e | 2692 | { |
| mbed_official | 354:e67efb2aab0e | 2693 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2694 | |
| mbed_official | 354:e67efb2aab0e | 2695 | HAL_I2C_MasterRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2696 | } |
| mbed_official | 354:e67efb2aab0e | 2697 | } |
| mbed_official | 354:e67efb2aab0e | 2698 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2699 | } |
| mbed_official | 354:e67efb2aab0e | 2700 | |
| mbed_official | 354:e67efb2aab0e | 2701 | /** |
| mbed_official | 354:e67efb2aab0e | 2702 | * @brief Handle BTF flag for Master receiver |
| mbed_official | 354:e67efb2aab0e | 2703 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2704 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2705 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2706 | */ |
| mbed_official | 354:e67efb2aab0e | 2707 | static HAL_StatusTypeDef I2C_MasterReceive_BTF(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2708 | { |
| mbed_official | 354:e67efb2aab0e | 2709 | if(hi2c->XferCount == 3) |
| mbed_official | 354:e67efb2aab0e | 2710 | { |
| mbed_official | 354:e67efb2aab0e | 2711 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 2712 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 2713 | |
| mbed_official | 354:e67efb2aab0e | 2714 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2715 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2716 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2717 | } |
| mbed_official | 354:e67efb2aab0e | 2718 | else if(hi2c->XferCount == 2) |
| mbed_official | 354:e67efb2aab0e | 2719 | { |
| mbed_official | 354:e67efb2aab0e | 2720 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 2721 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 2722 | |
| mbed_official | 354:e67efb2aab0e | 2723 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2724 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2725 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2726 | |
| mbed_official | 354:e67efb2aab0e | 2727 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2728 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2729 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2730 | |
| mbed_official | 354:e67efb2aab0e | 2731 | /* Disable EVT and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2732 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 2733 | |
| mbed_official | 354:e67efb2aab0e | 2734 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2735 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2736 | { |
| mbed_official | 354:e67efb2aab0e | 2737 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2738 | } |
| mbed_official | 354:e67efb2aab0e | 2739 | |
| mbed_official | 354:e67efb2aab0e | 2740 | if(hi2c->State == HAL_I2C_STATE_MEM_BUSY_RX) |
| mbed_official | 354:e67efb2aab0e | 2741 | { |
| mbed_official | 354:e67efb2aab0e | 2742 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2743 | |
| mbed_official | 354:e67efb2aab0e | 2744 | HAL_I2C_MemRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2745 | } |
| mbed_official | 354:e67efb2aab0e | 2746 | else |
| mbed_official | 354:e67efb2aab0e | 2747 | { |
| mbed_official | 354:e67efb2aab0e | 2748 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2749 | |
| mbed_official | 354:e67efb2aab0e | 2750 | HAL_I2C_MasterRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2751 | } |
| mbed_official | 354:e67efb2aab0e | 2752 | } |
| mbed_official | 354:e67efb2aab0e | 2753 | else |
| mbed_official | 354:e67efb2aab0e | 2754 | { |
| mbed_official | 354:e67efb2aab0e | 2755 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2756 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2757 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2758 | } |
| mbed_official | 354:e67efb2aab0e | 2759 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2760 | } |
| mbed_official | 354:e67efb2aab0e | 2761 | |
| mbed_official | 354:e67efb2aab0e | 2762 | /** |
| mbed_official | 354:e67efb2aab0e | 2763 | * @brief Handle TXE flag for Slave |
| mbed_official | 354:e67efb2aab0e | 2764 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2765 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2766 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2767 | */ |
| mbed_official | 354:e67efb2aab0e | 2768 | static HAL_StatusTypeDef I2C_SlaveTransmit_TXE(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2769 | { |
| mbed_official | 354:e67efb2aab0e | 2770 | if(hi2c->XferCount != 0) |
| mbed_official | 354:e67efb2aab0e | 2771 | { |
| mbed_official | 354:e67efb2aab0e | 2772 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 2773 | hi2c->Instance->DR = (*hi2c->pBuffPtr++); |
| mbed_official | 354:e67efb2aab0e | 2774 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2775 | } |
| mbed_official | 354:e67efb2aab0e | 2776 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2777 | } |
| mbed_official | 354:e67efb2aab0e | 2778 | |
| mbed_official | 354:e67efb2aab0e | 2779 | /** |
| mbed_official | 354:e67efb2aab0e | 2780 | * @brief Handle BTF flag for Slave transmitter |
| mbed_official | 354:e67efb2aab0e | 2781 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2782 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2783 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2784 | */ |
| mbed_official | 354:e67efb2aab0e | 2785 | static HAL_StatusTypeDef I2C_SlaveTransmit_BTF(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2786 | { |
| mbed_official | 354:e67efb2aab0e | 2787 | if(hi2c->XferCount != 0) |
| mbed_official | 354:e67efb2aab0e | 2788 | { |
| mbed_official | 354:e67efb2aab0e | 2789 | /* Write data to DR */ |
| mbed_official | 354:e67efb2aab0e | 2790 | hi2c->Instance->DR = (*hi2c->pBuffPtr++); |
| mbed_official | 354:e67efb2aab0e | 2791 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2792 | } |
| mbed_official | 354:e67efb2aab0e | 2793 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2794 | } |
| mbed_official | 354:e67efb2aab0e | 2795 | |
| mbed_official | 354:e67efb2aab0e | 2796 | /** |
| mbed_official | 354:e67efb2aab0e | 2797 | * @brief Handle RXNE flag for Slave |
| mbed_official | 354:e67efb2aab0e | 2798 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2799 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2800 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2801 | */ |
| mbed_official | 354:e67efb2aab0e | 2802 | static HAL_StatusTypeDef I2C_SlaveReceive_RXNE(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2803 | { |
| mbed_official | 354:e67efb2aab0e | 2804 | if(hi2c->XferCount != 0) |
| mbed_official | 354:e67efb2aab0e | 2805 | { |
| mbed_official | 354:e67efb2aab0e | 2806 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2807 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2808 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2809 | } |
| mbed_official | 354:e67efb2aab0e | 2810 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2811 | } |
| mbed_official | 354:e67efb2aab0e | 2812 | |
| mbed_official | 354:e67efb2aab0e | 2813 | /** |
| mbed_official | 354:e67efb2aab0e | 2814 | * @brief Handle BTF flag for Slave receiver |
| mbed_official | 354:e67efb2aab0e | 2815 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2816 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2817 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2818 | */ |
| mbed_official | 354:e67efb2aab0e | 2819 | static HAL_StatusTypeDef I2C_SlaveReceive_BTF(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2820 | { |
| mbed_official | 354:e67efb2aab0e | 2821 | if(hi2c->XferCount != 0) |
| mbed_official | 354:e67efb2aab0e | 2822 | { |
| mbed_official | 354:e67efb2aab0e | 2823 | /* Read data from DR */ |
| mbed_official | 354:e67efb2aab0e | 2824 | (*hi2c->pBuffPtr++) = hi2c->Instance->DR; |
| mbed_official | 354:e67efb2aab0e | 2825 | hi2c->XferCount--; |
| mbed_official | 354:e67efb2aab0e | 2826 | } |
| mbed_official | 354:e67efb2aab0e | 2827 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2828 | } |
| mbed_official | 354:e67efb2aab0e | 2829 | |
| mbed_official | 354:e67efb2aab0e | 2830 | /** |
| mbed_official | 354:e67efb2aab0e | 2831 | * @brief Handle ADD flag for Slave |
| mbed_official | 354:e67efb2aab0e | 2832 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2833 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2834 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2835 | */ |
| mbed_official | 354:e67efb2aab0e | 2836 | static HAL_StatusTypeDef I2C_Slave_ADDR(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2837 | { |
| mbed_official | 354:e67efb2aab0e | 2838 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 2839 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2840 | |
| mbed_official | 354:e67efb2aab0e | 2841 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2842 | } |
| mbed_official | 354:e67efb2aab0e | 2843 | |
| mbed_official | 354:e67efb2aab0e | 2844 | /** |
| mbed_official | 354:e67efb2aab0e | 2845 | * @brief Handle STOPF flag for Slave |
| mbed_official | 354:e67efb2aab0e | 2846 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2847 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2848 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2849 | */ |
| mbed_official | 354:e67efb2aab0e | 2850 | static HAL_StatusTypeDef I2C_Slave_STOPF(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2851 | { |
| mbed_official | 354:e67efb2aab0e | 2852 | /* Disable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2853 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 2854 | |
| mbed_official | 354:e67efb2aab0e | 2855 | /* Clear STOPF flag */ |
| mbed_official | 354:e67efb2aab0e | 2856 | __HAL_I2C_CLEAR_STOPFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2857 | |
| mbed_official | 354:e67efb2aab0e | 2858 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 2859 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 2860 | |
| mbed_official | 354:e67efb2aab0e | 2861 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2862 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2863 | { |
| mbed_official | 354:e67efb2aab0e | 2864 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2865 | } |
| mbed_official | 354:e67efb2aab0e | 2866 | |
| mbed_official | 354:e67efb2aab0e | 2867 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2868 | |
| mbed_official | 354:e67efb2aab0e | 2869 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2870 | |
| mbed_official | 354:e67efb2aab0e | 2871 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2872 | } |
| mbed_official | 354:e67efb2aab0e | 2873 | |
| mbed_official | 354:e67efb2aab0e | 2874 | /** |
| mbed_official | 354:e67efb2aab0e | 2875 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2876 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2877 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2878 | */ |
| mbed_official | 354:e67efb2aab0e | 2879 | static HAL_StatusTypeDef I2C_Slave_AF(I2C_HandleTypeDef *hi2c) |
| mbed_official | 354:e67efb2aab0e | 2880 | { |
| mbed_official | 354:e67efb2aab0e | 2881 | /* Disable EVT, BUF and ERR interrupt */ |
| mbed_official | 354:e67efb2aab0e | 2882 | __HAL_I2C_DISABLE_IT(hi2c, I2C_IT_EVT | I2C_IT_BUF | I2C_IT_ERR); |
| mbed_official | 354:e67efb2aab0e | 2883 | |
| mbed_official | 354:e67efb2aab0e | 2884 | /* Clear AF flag */ |
| mbed_official | 354:e67efb2aab0e | 2885 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
| mbed_official | 354:e67efb2aab0e | 2886 | |
| mbed_official | 354:e67efb2aab0e | 2887 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 2888 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 2889 | |
| mbed_official | 354:e67efb2aab0e | 2890 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 2891 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2892 | { |
| mbed_official | 354:e67efb2aab0e | 2893 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2894 | } |
| mbed_official | 354:e67efb2aab0e | 2895 | |
| mbed_official | 354:e67efb2aab0e | 2896 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 2897 | |
| mbed_official | 354:e67efb2aab0e | 2898 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 2899 | |
| mbed_official | 354:e67efb2aab0e | 2900 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2901 | } |
| mbed_official | 354:e67efb2aab0e | 2902 | |
| mbed_official | 354:e67efb2aab0e | 2903 | /** |
| mbed_official | 354:e67efb2aab0e | 2904 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2905 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2906 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 2907 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 2908 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2909 | */ |
| mbed_official | 354:e67efb2aab0e | 2910 | static HAL_StatusTypeDef I2C_MasterRequestWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 2911 | { |
| mbed_official | 354:e67efb2aab0e | 2912 | /* Generate Start */ |
| mbed_official | 354:e67efb2aab0e | 2913 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 2914 | |
| mbed_official | 354:e67efb2aab0e | 2915 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 2916 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2917 | { |
| mbed_official | 354:e67efb2aab0e | 2918 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2919 | } |
| mbed_official | 354:e67efb2aab0e | 2920 | |
| mbed_official | 354:e67efb2aab0e | 2921 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) |
| mbed_official | 354:e67efb2aab0e | 2922 | { |
| mbed_official | 354:e67efb2aab0e | 2923 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 2924 | hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 2925 | } |
| mbed_official | 354:e67efb2aab0e | 2926 | else |
| mbed_official | 354:e67efb2aab0e | 2927 | { |
| mbed_official | 354:e67efb2aab0e | 2928 | /* Send header of slave address */ |
| mbed_official | 354:e67efb2aab0e | 2929 | hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 2930 | |
| mbed_official | 354:e67efb2aab0e | 2931 | /* Wait until ADD10 flag is set */ |
| mbed_official | 354:e67efb2aab0e | 2932 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADD10, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2933 | { |
| mbed_official | 354:e67efb2aab0e | 2934 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 2935 | { |
| mbed_official | 354:e67efb2aab0e | 2936 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2937 | } |
| mbed_official | 354:e67efb2aab0e | 2938 | else |
| mbed_official | 354:e67efb2aab0e | 2939 | { |
| mbed_official | 354:e67efb2aab0e | 2940 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2941 | } |
| mbed_official | 354:e67efb2aab0e | 2942 | } |
| mbed_official | 354:e67efb2aab0e | 2943 | |
| mbed_official | 354:e67efb2aab0e | 2944 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 2945 | hi2c->Instance->DR = I2C_10BIT_ADDRESS(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 2946 | } |
| mbed_official | 354:e67efb2aab0e | 2947 | |
| mbed_official | 354:e67efb2aab0e | 2948 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 2949 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2950 | { |
| mbed_official | 354:e67efb2aab0e | 2951 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 2952 | { |
| mbed_official | 354:e67efb2aab0e | 2953 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 2954 | } |
| mbed_official | 354:e67efb2aab0e | 2955 | else |
| mbed_official | 354:e67efb2aab0e | 2956 | { |
| mbed_official | 354:e67efb2aab0e | 2957 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2958 | } |
| mbed_official | 354:e67efb2aab0e | 2959 | } |
| mbed_official | 354:e67efb2aab0e | 2960 | |
| mbed_official | 354:e67efb2aab0e | 2961 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 2962 | } |
| mbed_official | 354:e67efb2aab0e | 2963 | |
| mbed_official | 354:e67efb2aab0e | 2964 | /** |
| mbed_official | 354:e67efb2aab0e | 2965 | * @brief Master sends target device address for read request. |
| mbed_official | 354:e67efb2aab0e | 2966 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 2967 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 2968 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 2969 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 2970 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 2971 | */ |
| mbed_official | 354:e67efb2aab0e | 2972 | static HAL_StatusTypeDef I2C_MasterRequestRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 2973 | { |
| mbed_official | 354:e67efb2aab0e | 2974 | /* Enable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 2975 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 2976 | |
| mbed_official | 354:e67efb2aab0e | 2977 | /* Generate Start */ |
| mbed_official | 354:e67efb2aab0e | 2978 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 2979 | |
| mbed_official | 354:e67efb2aab0e | 2980 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 2981 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2982 | { |
| mbed_official | 354:e67efb2aab0e | 2983 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 2984 | } |
| mbed_official | 354:e67efb2aab0e | 2985 | |
| mbed_official | 354:e67efb2aab0e | 2986 | if(hi2c->Init.AddressingMode == I2C_ADDRESSINGMODE_7BIT) |
| mbed_official | 354:e67efb2aab0e | 2987 | { |
| mbed_official | 354:e67efb2aab0e | 2988 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 2989 | hi2c->Instance->DR = I2C_7BIT_ADD_READ(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 2990 | } |
| mbed_official | 354:e67efb2aab0e | 2991 | else |
| mbed_official | 354:e67efb2aab0e | 2992 | { |
| mbed_official | 354:e67efb2aab0e | 2993 | /* Send header of slave address */ |
| mbed_official | 354:e67efb2aab0e | 2994 | hi2c->Instance->DR = I2C_10BIT_HEADER_WRITE(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 2995 | |
| mbed_official | 354:e67efb2aab0e | 2996 | /* Wait until ADD10 flag is set */ |
| mbed_official | 354:e67efb2aab0e | 2997 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADD10, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 2998 | { |
| mbed_official | 354:e67efb2aab0e | 2999 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 3000 | { |
| mbed_official | 354:e67efb2aab0e | 3001 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3002 | } |
| mbed_official | 354:e67efb2aab0e | 3003 | else |
| mbed_official | 354:e67efb2aab0e | 3004 | { |
| mbed_official | 354:e67efb2aab0e | 3005 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3006 | } |
| mbed_official | 354:e67efb2aab0e | 3007 | } |
| mbed_official | 354:e67efb2aab0e | 3008 | |
| mbed_official | 354:e67efb2aab0e | 3009 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 3010 | hi2c->Instance->DR = I2C_10BIT_ADDRESS(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 3011 | |
| mbed_official | 354:e67efb2aab0e | 3012 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3013 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3014 | { |
| mbed_official | 354:e67efb2aab0e | 3015 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 3016 | { |
| mbed_official | 354:e67efb2aab0e | 3017 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3018 | } |
| mbed_official | 354:e67efb2aab0e | 3019 | else |
| mbed_official | 354:e67efb2aab0e | 3020 | { |
| mbed_official | 354:e67efb2aab0e | 3021 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3022 | } |
| mbed_official | 354:e67efb2aab0e | 3023 | } |
| mbed_official | 354:e67efb2aab0e | 3024 | |
| mbed_official | 354:e67efb2aab0e | 3025 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 3026 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3027 | |
| mbed_official | 354:e67efb2aab0e | 3028 | /* Generate Restart */ |
| mbed_official | 354:e67efb2aab0e | 3029 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 3030 | |
| mbed_official | 354:e67efb2aab0e | 3031 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3032 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3033 | { |
| mbed_official | 354:e67efb2aab0e | 3034 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3035 | } |
| mbed_official | 354:e67efb2aab0e | 3036 | |
| mbed_official | 354:e67efb2aab0e | 3037 | /* Send header of slave address */ |
| mbed_official | 354:e67efb2aab0e | 3038 | hi2c->Instance->DR = I2C_10BIT_HEADER_READ(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 3039 | } |
| mbed_official | 354:e67efb2aab0e | 3040 | |
| mbed_official | 354:e67efb2aab0e | 3041 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3042 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3043 | { |
| mbed_official | 354:e67efb2aab0e | 3044 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 3045 | { |
| mbed_official | 354:e67efb2aab0e | 3046 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3047 | } |
| mbed_official | 354:e67efb2aab0e | 3048 | else |
| mbed_official | 354:e67efb2aab0e | 3049 | { |
| mbed_official | 354:e67efb2aab0e | 3050 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3051 | } |
| mbed_official | 354:e67efb2aab0e | 3052 | } |
| mbed_official | 354:e67efb2aab0e | 3053 | |
| mbed_official | 354:e67efb2aab0e | 3054 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 3055 | } |
| mbed_official | 354:e67efb2aab0e | 3056 | |
| mbed_official | 354:e67efb2aab0e | 3057 | /** |
| mbed_official | 354:e67efb2aab0e | 3058 | * @brief Master sends target device address followed by internal memory address for write request. |
| mbed_official | 354:e67efb2aab0e | 3059 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 3060 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 3061 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 3062 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 3063 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 3064 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 3065 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 3066 | */ |
| mbed_official | 354:e67efb2aab0e | 3067 | static HAL_StatusTypeDef I2C_RequestMemoryWrite(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 3068 | { |
| mbed_official | 354:e67efb2aab0e | 3069 | /* Generate Start */ |
| mbed_official | 354:e67efb2aab0e | 3070 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 3071 | |
| mbed_official | 354:e67efb2aab0e | 3072 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3073 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3074 | { |
| mbed_official | 354:e67efb2aab0e | 3075 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3076 | } |
| mbed_official | 354:e67efb2aab0e | 3077 | |
| mbed_official | 354:e67efb2aab0e | 3078 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 3079 | hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 3080 | |
| mbed_official | 354:e67efb2aab0e | 3081 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3082 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3083 | { |
| mbed_official | 354:e67efb2aab0e | 3084 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 3085 | { |
| mbed_official | 354:e67efb2aab0e | 3086 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3087 | } |
| mbed_official | 354:e67efb2aab0e | 3088 | else |
| mbed_official | 354:e67efb2aab0e | 3089 | { |
| mbed_official | 354:e67efb2aab0e | 3090 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3091 | } |
| mbed_official | 354:e67efb2aab0e | 3092 | } |
| mbed_official | 354:e67efb2aab0e | 3093 | |
| mbed_official | 354:e67efb2aab0e | 3094 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 3095 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3096 | |
| mbed_official | 354:e67efb2aab0e | 3097 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3098 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3099 | { |
| mbed_official | 354:e67efb2aab0e | 3100 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3101 | } |
| mbed_official | 354:e67efb2aab0e | 3102 | |
| mbed_official | 354:e67efb2aab0e | 3103 | /* If Memory address size is 8Bit */ |
| mbed_official | 354:e67efb2aab0e | 3104 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
| mbed_official | 354:e67efb2aab0e | 3105 | { |
| mbed_official | 354:e67efb2aab0e | 3106 | /* Send Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 3107 | hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); |
| mbed_official | 354:e67efb2aab0e | 3108 | } |
| mbed_official | 354:e67efb2aab0e | 3109 | /* If Memory address size is 16Bit */ |
| mbed_official | 354:e67efb2aab0e | 3110 | else |
| mbed_official | 354:e67efb2aab0e | 3111 | { |
| mbed_official | 354:e67efb2aab0e | 3112 | /* Send MSB of Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 3113 | hi2c->Instance->DR = I2C_MEM_ADD_MSB(MemAddress); |
| mbed_official | 354:e67efb2aab0e | 3114 | |
| mbed_official | 354:e67efb2aab0e | 3115 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3116 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3117 | { |
| mbed_official | 354:e67efb2aab0e | 3118 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3119 | } |
| mbed_official | 354:e67efb2aab0e | 3120 | |
| mbed_official | 354:e67efb2aab0e | 3121 | /* Send LSB of Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 3122 | hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); |
| mbed_official | 354:e67efb2aab0e | 3123 | } |
| mbed_official | 354:e67efb2aab0e | 3124 | |
| mbed_official | 354:e67efb2aab0e | 3125 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 3126 | } |
| mbed_official | 354:e67efb2aab0e | 3127 | |
| mbed_official | 354:e67efb2aab0e | 3128 | /** |
| mbed_official | 354:e67efb2aab0e | 3129 | * @brief Master sends target device address followed by internal memory address for read request. |
| mbed_official | 354:e67efb2aab0e | 3130 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 3131 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 3132 | * @param DevAddress: Target device address |
| mbed_official | 354:e67efb2aab0e | 3133 | * @param MemAddress: Internal memory address |
| mbed_official | 354:e67efb2aab0e | 3134 | * @param MemAddSize: Size of internal memory address |
| mbed_official | 354:e67efb2aab0e | 3135 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 3136 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 3137 | */ |
| mbed_official | 354:e67efb2aab0e | 3138 | static HAL_StatusTypeDef I2C_RequestMemoryRead(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 3139 | { |
| mbed_official | 354:e67efb2aab0e | 3140 | /* Enable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 3141 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 3142 | |
| mbed_official | 354:e67efb2aab0e | 3143 | /* Generate Start */ |
| mbed_official | 354:e67efb2aab0e | 3144 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 3145 | |
| mbed_official | 354:e67efb2aab0e | 3146 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3147 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3148 | { |
| mbed_official | 354:e67efb2aab0e | 3149 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3150 | } |
| mbed_official | 354:e67efb2aab0e | 3151 | |
| mbed_official | 354:e67efb2aab0e | 3152 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 3153 | hi2c->Instance->DR = I2C_7BIT_ADD_WRITE(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 3154 | |
| mbed_official | 354:e67efb2aab0e | 3155 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3156 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3157 | { |
| mbed_official | 354:e67efb2aab0e | 3158 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 3159 | { |
| mbed_official | 354:e67efb2aab0e | 3160 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3161 | } |
| mbed_official | 354:e67efb2aab0e | 3162 | else |
| mbed_official | 354:e67efb2aab0e | 3163 | { |
| mbed_official | 354:e67efb2aab0e | 3164 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3165 | } |
| mbed_official | 354:e67efb2aab0e | 3166 | } |
| mbed_official | 354:e67efb2aab0e | 3167 | |
| mbed_official | 354:e67efb2aab0e | 3168 | /* Clear ADDR flag */ |
| mbed_official | 354:e67efb2aab0e | 3169 | __HAL_I2C_CLEAR_ADDRFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3170 | |
| mbed_official | 354:e67efb2aab0e | 3171 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3172 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3173 | { |
| mbed_official | 354:e67efb2aab0e | 3174 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3175 | } |
| mbed_official | 354:e67efb2aab0e | 3176 | |
| mbed_official | 354:e67efb2aab0e | 3177 | /* If Memory address size is 8Bit */ |
| mbed_official | 354:e67efb2aab0e | 3178 | if(MemAddSize == I2C_MEMADD_SIZE_8BIT) |
| mbed_official | 354:e67efb2aab0e | 3179 | { |
| mbed_official | 354:e67efb2aab0e | 3180 | /* Send Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 3181 | hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); |
| mbed_official | 354:e67efb2aab0e | 3182 | } |
| mbed_official | 354:e67efb2aab0e | 3183 | /* If Memory address size is 16Bit */ |
| mbed_official | 354:e67efb2aab0e | 3184 | else |
| mbed_official | 354:e67efb2aab0e | 3185 | { |
| mbed_official | 354:e67efb2aab0e | 3186 | /* Send MSB of Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 3187 | hi2c->Instance->DR = I2C_MEM_ADD_MSB(MemAddress); |
| mbed_official | 354:e67efb2aab0e | 3188 | |
| mbed_official | 354:e67efb2aab0e | 3189 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3190 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3191 | { |
| mbed_official | 354:e67efb2aab0e | 3192 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3193 | } |
| mbed_official | 354:e67efb2aab0e | 3194 | |
| mbed_official | 354:e67efb2aab0e | 3195 | /* Send LSB of Memory Address */ |
| mbed_official | 354:e67efb2aab0e | 3196 | hi2c->Instance->DR = I2C_MEM_ADD_LSB(MemAddress); |
| mbed_official | 354:e67efb2aab0e | 3197 | } |
| mbed_official | 354:e67efb2aab0e | 3198 | |
| mbed_official | 354:e67efb2aab0e | 3199 | /* Wait until TXE flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3200 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_TXE, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3201 | { |
| mbed_official | 354:e67efb2aab0e | 3202 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3203 | } |
| mbed_official | 354:e67efb2aab0e | 3204 | |
| mbed_official | 354:e67efb2aab0e | 3205 | /* Generate Restart */ |
| mbed_official | 354:e67efb2aab0e | 3206 | SET_BIT(hi2c->Instance->CR1, I2C_CR1_START); |
| mbed_official | 354:e67efb2aab0e | 3207 | |
| mbed_official | 354:e67efb2aab0e | 3208 | /* Wait until SB flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3209 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_SB, RESET, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3210 | { |
| mbed_official | 354:e67efb2aab0e | 3211 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3212 | } |
| mbed_official | 354:e67efb2aab0e | 3213 | |
| mbed_official | 354:e67efb2aab0e | 3214 | /* Send slave address */ |
| mbed_official | 354:e67efb2aab0e | 3215 | hi2c->Instance->DR = I2C_7BIT_ADD_READ(DevAddress); |
| mbed_official | 354:e67efb2aab0e | 3216 | |
| mbed_official | 354:e67efb2aab0e | 3217 | /* Wait until ADDR flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3218 | if(I2C_WaitOnMasterAddressFlagUntilTimeout(hi2c, I2C_FLAG_ADDR, Timeout) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3219 | { |
| mbed_official | 354:e67efb2aab0e | 3220 | if(hi2c->ErrorCode == HAL_I2C_ERROR_AF) |
| mbed_official | 354:e67efb2aab0e | 3221 | { |
| mbed_official | 354:e67efb2aab0e | 3222 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3223 | } |
| mbed_official | 354:e67efb2aab0e | 3224 | else |
| mbed_official | 354:e67efb2aab0e | 3225 | { |
| mbed_official | 354:e67efb2aab0e | 3226 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3227 | } |
| mbed_official | 354:e67efb2aab0e | 3228 | } |
| mbed_official | 354:e67efb2aab0e | 3229 | |
| mbed_official | 354:e67efb2aab0e | 3230 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 3231 | } |
| mbed_official | 354:e67efb2aab0e | 3232 | |
| mbed_official | 354:e67efb2aab0e | 3233 | /** |
| mbed_official | 354:e67efb2aab0e | 3234 | * @brief DMA I2C master transmit process complete callback. |
| mbed_official | 354:e67efb2aab0e | 3235 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3236 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3237 | */ |
| mbed_official | 354:e67efb2aab0e | 3238 | static void I2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3239 | { |
| mbed_official | 354:e67efb2aab0e | 3240 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3241 | |
| mbed_official | 354:e67efb2aab0e | 3242 | /* Wait until BTF flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3243 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3244 | { |
| mbed_official | 354:e67efb2aab0e | 3245 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3246 | } |
| mbed_official | 354:e67efb2aab0e | 3247 | |
| mbed_official | 354:e67efb2aab0e | 3248 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 3249 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 3250 | |
| mbed_official | 354:e67efb2aab0e | 3251 | /* Disable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 3252 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 3253 | |
| mbed_official | 354:e67efb2aab0e | 3254 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3255 | |
| mbed_official | 354:e67efb2aab0e | 3256 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3257 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3258 | { |
| mbed_official | 354:e67efb2aab0e | 3259 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3260 | } |
| mbed_official | 354:e67efb2aab0e | 3261 | |
| mbed_official | 354:e67efb2aab0e | 3262 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3263 | |
| mbed_official | 354:e67efb2aab0e | 3264 | /* Check if Errors has been detected during transfer */ |
| mbed_official | 354:e67efb2aab0e | 3265 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 3266 | { |
| mbed_official | 354:e67efb2aab0e | 3267 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3268 | } |
| mbed_official | 354:e67efb2aab0e | 3269 | else |
| mbed_official | 354:e67efb2aab0e | 3270 | { |
| mbed_official | 354:e67efb2aab0e | 3271 | HAL_I2C_MasterTxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3272 | } |
| mbed_official | 354:e67efb2aab0e | 3273 | } |
| mbed_official | 354:e67efb2aab0e | 3274 | |
| mbed_official | 354:e67efb2aab0e | 3275 | /** |
| mbed_official | 354:e67efb2aab0e | 3276 | * @brief DMA I2C slave transmit process complete callback. |
| mbed_official | 354:e67efb2aab0e | 3277 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3278 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3279 | */ |
| mbed_official | 354:e67efb2aab0e | 3280 | static void I2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3281 | { |
| mbed_official | 354:e67efb2aab0e | 3282 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3283 | |
| mbed_official | 354:e67efb2aab0e | 3284 | /* Wait until AF flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3285 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_AF, RESET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3286 | { |
| mbed_official | 354:e67efb2aab0e | 3287 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3288 | } |
| mbed_official | 354:e67efb2aab0e | 3289 | |
| mbed_official | 354:e67efb2aab0e | 3290 | /* Clear AF flag */ |
| mbed_official | 354:e67efb2aab0e | 3291 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
| mbed_official | 354:e67efb2aab0e | 3292 | |
| mbed_official | 354:e67efb2aab0e | 3293 | /* Disable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 3294 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 3295 | |
| mbed_official | 354:e67efb2aab0e | 3296 | /* Disable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 3297 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 3298 | |
| mbed_official | 354:e67efb2aab0e | 3299 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3300 | |
| mbed_official | 354:e67efb2aab0e | 3301 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3302 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3303 | { |
| mbed_official | 354:e67efb2aab0e | 3304 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3305 | } |
| mbed_official | 354:e67efb2aab0e | 3306 | |
| mbed_official | 354:e67efb2aab0e | 3307 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3308 | |
| mbed_official | 354:e67efb2aab0e | 3309 | /* Check if Errors has been detected during transfer */ |
| mbed_official | 354:e67efb2aab0e | 3310 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 3311 | { |
| mbed_official | 354:e67efb2aab0e | 3312 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3313 | } |
| mbed_official | 354:e67efb2aab0e | 3314 | else |
| mbed_official | 354:e67efb2aab0e | 3315 | { |
| mbed_official | 354:e67efb2aab0e | 3316 | HAL_I2C_SlaveTxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3317 | } |
| mbed_official | 354:e67efb2aab0e | 3318 | } |
| mbed_official | 354:e67efb2aab0e | 3319 | |
| mbed_official | 354:e67efb2aab0e | 3320 | /** |
| mbed_official | 354:e67efb2aab0e | 3321 | * @brief DMA I2C master receive process complete callback |
| mbed_official | 354:e67efb2aab0e | 3322 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3323 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3324 | */ |
| mbed_official | 354:e67efb2aab0e | 3325 | static void I2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3326 | { |
| mbed_official | 354:e67efb2aab0e | 3327 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3328 | |
| mbed_official | 354:e67efb2aab0e | 3329 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 3330 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 3331 | |
| mbed_official | 354:e67efb2aab0e | 3332 | /* Disable Last DMA */ |
| mbed_official | 354:e67efb2aab0e | 3333 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); |
| mbed_official | 354:e67efb2aab0e | 3334 | |
| mbed_official | 354:e67efb2aab0e | 3335 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 3336 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 3337 | |
| mbed_official | 354:e67efb2aab0e | 3338 | /* Disable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 3339 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 3340 | |
| mbed_official | 354:e67efb2aab0e | 3341 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3342 | |
| mbed_official | 354:e67efb2aab0e | 3343 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3344 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3345 | { |
| mbed_official | 354:e67efb2aab0e | 3346 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3347 | } |
| mbed_official | 354:e67efb2aab0e | 3348 | |
| mbed_official | 354:e67efb2aab0e | 3349 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3350 | |
| mbed_official | 354:e67efb2aab0e | 3351 | /* Check if Errors has been detected during transfer */ |
| mbed_official | 354:e67efb2aab0e | 3352 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 3353 | { |
| mbed_official | 354:e67efb2aab0e | 3354 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3355 | } |
| mbed_official | 354:e67efb2aab0e | 3356 | else |
| mbed_official | 354:e67efb2aab0e | 3357 | { |
| mbed_official | 354:e67efb2aab0e | 3358 | HAL_I2C_MasterRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3359 | } |
| mbed_official | 354:e67efb2aab0e | 3360 | } |
| mbed_official | 354:e67efb2aab0e | 3361 | |
| mbed_official | 354:e67efb2aab0e | 3362 | /** |
| mbed_official | 354:e67efb2aab0e | 3363 | * @brief DMA I2C slave receive process complete callback. |
| mbed_official | 354:e67efb2aab0e | 3364 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3365 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3366 | */ |
| mbed_official | 354:e67efb2aab0e | 3367 | static void I2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3368 | { |
| mbed_official | 354:e67efb2aab0e | 3369 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3370 | |
| mbed_official | 354:e67efb2aab0e | 3371 | /* Wait until STOPF flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3372 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_STOPF, RESET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3373 | { |
| mbed_official | 354:e67efb2aab0e | 3374 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3375 | } |
| mbed_official | 354:e67efb2aab0e | 3376 | |
| mbed_official | 354:e67efb2aab0e | 3377 | /* Clear STOPF flag */ |
| mbed_official | 354:e67efb2aab0e | 3378 | __HAL_I2C_CLEAR_STOPFLAG(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3379 | |
| mbed_official | 354:e67efb2aab0e | 3380 | /* Disable Address Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 3381 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 3382 | |
| mbed_official | 354:e67efb2aab0e | 3383 | /* Disable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 3384 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 3385 | |
| mbed_official | 354:e67efb2aab0e | 3386 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3387 | |
| mbed_official | 354:e67efb2aab0e | 3388 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3389 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3390 | { |
| mbed_official | 354:e67efb2aab0e | 3391 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3392 | } |
| mbed_official | 354:e67efb2aab0e | 3393 | |
| mbed_official | 354:e67efb2aab0e | 3394 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3395 | |
| mbed_official | 354:e67efb2aab0e | 3396 | /* Check if Errors has been detected during transfer */ |
| mbed_official | 354:e67efb2aab0e | 3397 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 3398 | { |
| mbed_official | 354:e67efb2aab0e | 3399 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3400 | } |
| mbed_official | 354:e67efb2aab0e | 3401 | else |
| mbed_official | 354:e67efb2aab0e | 3402 | { |
| mbed_official | 354:e67efb2aab0e | 3403 | HAL_I2C_SlaveRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3404 | } |
| mbed_official | 354:e67efb2aab0e | 3405 | } |
| mbed_official | 354:e67efb2aab0e | 3406 | |
| mbed_official | 354:e67efb2aab0e | 3407 | /** |
| mbed_official | 354:e67efb2aab0e | 3408 | * @brief DMA I2C Memory Write process complete callback |
| mbed_official | 354:e67efb2aab0e | 3409 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3410 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3411 | */ |
| mbed_official | 354:e67efb2aab0e | 3412 | static void I2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3413 | { |
| mbed_official | 354:e67efb2aab0e | 3414 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3415 | |
| mbed_official | 354:e67efb2aab0e | 3416 | /* Wait until BTF flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3417 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BTF, RESET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3418 | { |
| mbed_official | 354:e67efb2aab0e | 3419 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3420 | } |
| mbed_official | 354:e67efb2aab0e | 3421 | |
| mbed_official | 354:e67efb2aab0e | 3422 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 3423 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 3424 | |
| mbed_official | 354:e67efb2aab0e | 3425 | /* Disable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 3426 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 3427 | |
| mbed_official | 354:e67efb2aab0e | 3428 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3429 | |
| mbed_official | 354:e67efb2aab0e | 3430 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3431 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3432 | { |
| mbed_official | 354:e67efb2aab0e | 3433 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3434 | } |
| mbed_official | 354:e67efb2aab0e | 3435 | |
| mbed_official | 354:e67efb2aab0e | 3436 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3437 | |
| mbed_official | 354:e67efb2aab0e | 3438 | /* Check if Errors has been detected during transfer */ |
| mbed_official | 354:e67efb2aab0e | 3439 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 3440 | { |
| mbed_official | 354:e67efb2aab0e | 3441 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3442 | } |
| mbed_official | 354:e67efb2aab0e | 3443 | else |
| mbed_official | 354:e67efb2aab0e | 3444 | { |
| mbed_official | 354:e67efb2aab0e | 3445 | HAL_I2C_MemTxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3446 | } |
| mbed_official | 354:e67efb2aab0e | 3447 | } |
| mbed_official | 354:e67efb2aab0e | 3448 | |
| mbed_official | 354:e67efb2aab0e | 3449 | /** |
| mbed_official | 354:e67efb2aab0e | 3450 | * @brief DMA I2C Memory Read process complete callback |
| mbed_official | 354:e67efb2aab0e | 3451 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3452 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3453 | */ |
| mbed_official | 354:e67efb2aab0e | 3454 | static void I2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3455 | { |
| mbed_official | 354:e67efb2aab0e | 3456 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3457 | |
| mbed_official | 354:e67efb2aab0e | 3458 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 3459 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 3460 | |
| mbed_official | 354:e67efb2aab0e | 3461 | /* Disable Last DMA */ |
| mbed_official | 354:e67efb2aab0e | 3462 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_LAST); |
| mbed_official | 354:e67efb2aab0e | 3463 | |
| mbed_official | 354:e67efb2aab0e | 3464 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 3465 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 3466 | |
| mbed_official | 354:e67efb2aab0e | 3467 | /* Disable DMA Request */ |
| mbed_official | 354:e67efb2aab0e | 3468 | CLEAR_BIT(hi2c->Instance->CR2, I2C_CR2_DMAEN); |
| mbed_official | 354:e67efb2aab0e | 3469 | |
| mbed_official | 354:e67efb2aab0e | 3470 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3471 | |
| mbed_official | 354:e67efb2aab0e | 3472 | /* Wait until BUSY flag is reset */ |
| mbed_official | 354:e67efb2aab0e | 3473 | if(I2C_WaitOnFlagUntilTimeout(hi2c, I2C_FLAG_BUSY, SET, I2C_TIMEOUT_FLAG) != HAL_OK) |
| mbed_official | 354:e67efb2aab0e | 3474 | { |
| mbed_official | 354:e67efb2aab0e | 3475 | hi2c->ErrorCode |= HAL_I2C_ERROR_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3476 | } |
| mbed_official | 354:e67efb2aab0e | 3477 | |
| mbed_official | 354:e67efb2aab0e | 3478 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3479 | |
| mbed_official | 354:e67efb2aab0e | 3480 | /* Check if Errors has been detected during transfer */ |
| mbed_official | 354:e67efb2aab0e | 3481 | if(hi2c->ErrorCode != HAL_I2C_ERROR_NONE) |
| mbed_official | 354:e67efb2aab0e | 3482 | { |
| mbed_official | 354:e67efb2aab0e | 3483 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3484 | } |
| mbed_official | 354:e67efb2aab0e | 3485 | else |
| mbed_official | 354:e67efb2aab0e | 3486 | { |
| mbed_official | 354:e67efb2aab0e | 3487 | HAL_I2C_MemRxCpltCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3488 | } |
| mbed_official | 354:e67efb2aab0e | 3489 | } |
| mbed_official | 354:e67efb2aab0e | 3490 | |
| mbed_official | 354:e67efb2aab0e | 3491 | /** |
| mbed_official | 354:e67efb2aab0e | 3492 | * @brief DMA I2C communication error callback. |
| mbed_official | 354:e67efb2aab0e | 3493 | * @param hdma: DMA handle |
| mbed_official | 354:e67efb2aab0e | 3494 | * @retval None |
| mbed_official | 354:e67efb2aab0e | 3495 | */ |
| mbed_official | 354:e67efb2aab0e | 3496 | static void I2C_DMAError(DMA_HandleTypeDef *hdma) |
| mbed_official | 354:e67efb2aab0e | 3497 | { |
| mbed_official | 354:e67efb2aab0e | 3498 | I2C_HandleTypeDef* hi2c = (I2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
| mbed_official | 354:e67efb2aab0e | 3499 | |
| mbed_official | 354:e67efb2aab0e | 3500 | /* Disable Acknowledge */ |
| mbed_official | 354:e67efb2aab0e | 3501 | CLEAR_BIT(hi2c->Instance->CR1, I2C_CR1_ACK); |
| mbed_official | 354:e67efb2aab0e | 3502 | |
| mbed_official | 354:e67efb2aab0e | 3503 | hi2c->XferCount = 0; |
| mbed_official | 354:e67efb2aab0e | 3504 | |
| mbed_official | 354:e67efb2aab0e | 3505 | hi2c->State = HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3506 | |
| mbed_official | 354:e67efb2aab0e | 3507 | hi2c->ErrorCode |= HAL_I2C_ERROR_DMA; |
| mbed_official | 354:e67efb2aab0e | 3508 | |
| mbed_official | 354:e67efb2aab0e | 3509 | HAL_I2C_ErrorCallback(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3510 | } |
| mbed_official | 354:e67efb2aab0e | 3511 | |
| mbed_official | 354:e67efb2aab0e | 3512 | /** |
| mbed_official | 354:e67efb2aab0e | 3513 | * @brief This function handles I2C Communication Timeout. |
| mbed_official | 354:e67efb2aab0e | 3514 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 3515 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 3516 | * @param Flag: specifies the I2C flag to check. |
| mbed_official | 354:e67efb2aab0e | 3517 | * @param Status: The new Flag status (SET or RESET). |
| mbed_official | 354:e67efb2aab0e | 3518 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 3519 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 3520 | */ |
| mbed_official | 354:e67efb2aab0e | 3521 | static HAL_StatusTypeDef I2C_WaitOnFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 3522 | { |
| mbed_official | 354:e67efb2aab0e | 3523 | uint32_t tickstart = 0; |
| mbed_official | 354:e67efb2aab0e | 3524 | |
| mbed_official | 354:e67efb2aab0e | 3525 | /* Get tick */ |
| mbed_official | 354:e67efb2aab0e | 3526 | tickstart = HAL_GetTick(); |
| mbed_official | 354:e67efb2aab0e | 3527 | |
| mbed_official | 354:e67efb2aab0e | 3528 | /* Wait until flag is set */ |
| mbed_official | 354:e67efb2aab0e | 3529 | if(Status == RESET) |
| mbed_official | 354:e67efb2aab0e | 3530 | { |
| mbed_official | 354:e67efb2aab0e | 3531 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET) |
| mbed_official | 354:e67efb2aab0e | 3532 | { |
| mbed_official | 354:e67efb2aab0e | 3533 | /* Check for the Timeout */ |
| mbed_official | 354:e67efb2aab0e | 3534 | if(Timeout != HAL_MAX_DELAY) |
| mbed_official | 354:e67efb2aab0e | 3535 | { |
| mbed_official | 354:e67efb2aab0e | 3536 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
| mbed_official | 354:e67efb2aab0e | 3537 | { |
| mbed_official | 354:e67efb2aab0e | 3538 | hi2c->State= HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3539 | |
| mbed_official | 354:e67efb2aab0e | 3540 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 3541 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3542 | |
| mbed_official | 354:e67efb2aab0e | 3543 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3544 | } |
| mbed_official | 354:e67efb2aab0e | 3545 | } |
| mbed_official | 354:e67efb2aab0e | 3546 | } |
| mbed_official | 354:e67efb2aab0e | 3547 | } |
| mbed_official | 354:e67efb2aab0e | 3548 | else |
| mbed_official | 354:e67efb2aab0e | 3549 | { |
| mbed_official | 354:e67efb2aab0e | 3550 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) != RESET) |
| mbed_official | 354:e67efb2aab0e | 3551 | { |
| mbed_official | 354:e67efb2aab0e | 3552 | /* Check for the Timeout */ |
| mbed_official | 354:e67efb2aab0e | 3553 | if(Timeout != HAL_MAX_DELAY) |
| mbed_official | 354:e67efb2aab0e | 3554 | { |
| mbed_official | 354:e67efb2aab0e | 3555 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
| mbed_official | 354:e67efb2aab0e | 3556 | { |
| mbed_official | 354:e67efb2aab0e | 3557 | hi2c->State= HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3558 | |
| mbed_official | 354:e67efb2aab0e | 3559 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 3560 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3561 | |
| mbed_official | 354:e67efb2aab0e | 3562 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3563 | } |
| mbed_official | 354:e67efb2aab0e | 3564 | } |
| mbed_official | 354:e67efb2aab0e | 3565 | } |
| mbed_official | 354:e67efb2aab0e | 3566 | } |
| mbed_official | 354:e67efb2aab0e | 3567 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 3568 | } |
| mbed_official | 354:e67efb2aab0e | 3569 | |
| mbed_official | 354:e67efb2aab0e | 3570 | /** |
| mbed_official | 354:e67efb2aab0e | 3571 | * @brief This function handles I2C Communication Timeout for Master addressing phase. |
| mbed_official | 354:e67efb2aab0e | 3572 | * @param hi2c: pointer to a I2C_HandleTypeDef structure that contains |
| mbed_official | 354:e67efb2aab0e | 3573 | * the configuration information for I2C module |
| mbed_official | 354:e67efb2aab0e | 3574 | * @param Flag: specifies the I2C flag to check. |
| mbed_official | 354:e67efb2aab0e | 3575 | * @param Timeout: Timeout duration |
| mbed_official | 354:e67efb2aab0e | 3576 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 3577 | */ |
| mbed_official | 354:e67efb2aab0e | 3578 | static HAL_StatusTypeDef I2C_WaitOnMasterAddressFlagUntilTimeout(I2C_HandleTypeDef *hi2c, uint32_t Flag, uint32_t Timeout) |
| mbed_official | 354:e67efb2aab0e | 3579 | { |
| mbed_official | 354:e67efb2aab0e | 3580 | uint32_t tickstart = 0; |
| mbed_official | 354:e67efb2aab0e | 3581 | |
| mbed_official | 354:e67efb2aab0e | 3582 | /* Get tick */ |
| mbed_official | 354:e67efb2aab0e | 3583 | tickstart = HAL_GetTick(); |
| mbed_official | 354:e67efb2aab0e | 3584 | |
| mbed_official | 354:e67efb2aab0e | 3585 | while(__HAL_I2C_GET_FLAG(hi2c, Flag) == RESET) |
| mbed_official | 354:e67efb2aab0e | 3586 | { |
| mbed_official | 354:e67efb2aab0e | 3587 | if(__HAL_I2C_GET_FLAG(hi2c, I2C_FLAG_AF) == SET) |
| mbed_official | 354:e67efb2aab0e | 3588 | { |
| mbed_official | 354:e67efb2aab0e | 3589 | /* Generate Stop */ |
| mbed_official | 354:e67efb2aab0e | 3590 | SET_BIT(hi2c->Instance->CR1,I2C_CR1_STOP); |
| mbed_official | 354:e67efb2aab0e | 3591 | |
| mbed_official | 354:e67efb2aab0e | 3592 | /* Clear AF Flag */ |
| mbed_official | 354:e67efb2aab0e | 3593 | __HAL_I2C_CLEAR_FLAG(hi2c, I2C_FLAG_AF); |
| mbed_official | 354:e67efb2aab0e | 3594 | |
| mbed_official | 354:e67efb2aab0e | 3595 | hi2c->ErrorCode = HAL_I2C_ERROR_AF; |
| mbed_official | 354:e67efb2aab0e | 3596 | hi2c->State= HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3597 | |
| mbed_official | 354:e67efb2aab0e | 3598 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 3599 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3600 | |
| mbed_official | 354:e67efb2aab0e | 3601 | return HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 3602 | } |
| mbed_official | 354:e67efb2aab0e | 3603 | |
| mbed_official | 354:e67efb2aab0e | 3604 | /* Check for the Timeout */ |
| mbed_official | 354:e67efb2aab0e | 3605 | if(Timeout != HAL_MAX_DELAY) |
| mbed_official | 354:e67efb2aab0e | 3606 | { |
| mbed_official | 354:e67efb2aab0e | 3607 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
| mbed_official | 354:e67efb2aab0e | 3608 | { |
| mbed_official | 354:e67efb2aab0e | 3609 | hi2c->State= HAL_I2C_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 3610 | |
| mbed_official | 354:e67efb2aab0e | 3611 | /* Process Unlocked */ |
| mbed_official | 354:e67efb2aab0e | 3612 | __HAL_UNLOCK(hi2c); |
| mbed_official | 354:e67efb2aab0e | 3613 | |
| mbed_official | 354:e67efb2aab0e | 3614 | return HAL_TIMEOUT; |
| mbed_official | 354:e67efb2aab0e | 3615 | } |
| mbed_official | 354:e67efb2aab0e | 3616 | } |
| mbed_official | 354:e67efb2aab0e | 3617 | } |
| mbed_official | 354:e67efb2aab0e | 3618 | return HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 3619 | } |
| mbed_official | 354:e67efb2aab0e | 3620 | |
| mbed_official | 354:e67efb2aab0e | 3621 | /** |
| mbed_official | 354:e67efb2aab0e | 3622 | * @} |
| mbed_official | 354:e67efb2aab0e | 3623 | */ |
| mbed_official | 354:e67efb2aab0e | 3624 | |
| mbed_official | 354:e67efb2aab0e | 3625 | #endif /* HAL_I2C_MODULE_ENABLED */ |
| mbed_official | 354:e67efb2aab0e | 3626 | |
| mbed_official | 354:e67efb2aab0e | 3627 | /** |
| mbed_official | 354:e67efb2aab0e | 3628 | * @} |
| mbed_official | 354:e67efb2aab0e | 3629 | */ |
| mbed_official | 354:e67efb2aab0e | 3630 | |
| mbed_official | 354:e67efb2aab0e | 3631 | /** |
| mbed_official | 354:e67efb2aab0e | 3632 | * @} |
| mbed_official | 354:e67efb2aab0e | 3633 | */ |
| mbed_official | 354:e67efb2aab0e | 3634 | |
| mbed_official | 354:e67efb2aab0e | 3635 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |