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Diffstat (limited to 'c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c')
| -rw-r--r-- | c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c | 4098 |
1 files changed, 0 insertions, 4098 deletions
diff --git a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c b/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c deleted file mode 100644 index adfdce27b5..0000000000 --- a/c/src/lib/libbsp/arm/stm32f4x/hal/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c +++ /dev/null @@ -1,4098 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_fmpi2c.c - * @author MCD Application Team - * @version V1.4.0 - * @date 14-August-2015 - * @brief FMPI2C HAL module driver. - * - * This file provides firmware functions to manage the following - * functionalities of the Inter Integrated Circuit (FMPI2C) peripheral: - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral State functions - * - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The FMPI2C HAL driver can be used as follows: - - (#) Declare a FMPI2C_HandleTypeDef handle structure, for example: - FMPI2C_HandleTypeDef hfmpi2c; - - (#)Initialize the FMPI2C low level resources by implement the HAL_FMPI2C_MspInit ()API: - (##) Enable the FMPI2Cx interface clock - (##) FMPI2C pins configuration - (+++) Enable the clock for the FMPI2C GPIOs - (+++) Configure FMPI2C pins as alternate function open-drain - (##) NVIC configuration if you need to use interrupt process - (+++) Configure the FMPI2Cx interrupt priority - (+++) Enable the NVIC FMPI2C IRQ Channel - (##) DMA Configuration if you need to use DMA process - (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive stream - (+++) Enable the DMAx interface clock using - (+++) Configure the DMA handle parameters - (+++) Configure the DMA Tx or Rx Stream - (+++) Associate the initilalized DMA handle to the hfmpi2c DMA Tx or Rx handle - (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx or Rx Stream - - (#) Configure the Communication Clock Timing, Own Address1, Master Adressing Mode, Dual Addressing mode, - Own Address2, Own Address2 Mask, General call and Nostretch mode in the hfmpi2c Init structure. - - (#) Initialize the FMPI2C registers by calling the HAL_FMPI2C_Init() API: - (+++) These API's configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) - by calling the customed HAL_FMPI2C_MspInit(&hfmpi2c) API. - - (#) To check if target device is ready for communication, use the function HAL_FMPI2C_IsDeviceReady() - - (#) For FMPI2C IO and IO MEM operations, three mode of operations are available within this driver : - - *** Polling mode IO operation *** - ================================= - [..] - (+) Transmit in master mode an amount of data in blocking mode using HAL_FMPI2C_Master_Transmit() - (+) Receive in master mode an amount of data in blocking mode using HAL_FMPI2C_Master_Receive() - (+) Transmit in slave mode an amount of data in blocking mode using HAL_FMPI2C_Slave_Transmit() - (+) Receive in slave mode an amount of data in blocking mode using HAL_FMPI2C_Slave_Receive() - - *** Polling mode IO MEM operation *** - ===================================== - [..] - (+) Write an amount of data in blocking mode to a specific memory address using HAL_FMPI2C_Mem_Write() - (+) Read an amount of data in blocking mode from a specific memory address using HAL_FMPI2C_Mem_Read() - - - *** Interrupt mode IO operation *** - =================================== - [..] - (+) Transmit in master mode an amount of data in non blocking mode using HAL_FMPI2C_Master_Transmit_IT() - (+) At transmission end of transfer HAL_FMPI2C_MasterTxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MasterTxCpltCallback - (+) Receive in master mode an amount of data in non blocking mode using HAL_FMPI2C_Master_Receive_IT() - (+) At reception end of transfer HAL_FMPI2C_MasterRxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MasterRxCpltCallback - (+) Transmit in slave mode an amount of data in non blocking mode using HAL_FMPI2C_Slave_Transmit_IT() - (+) At transmission end of transfer HAL_FMPI2C_SlaveTxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_SlaveTxCpltCallback - (+) Receive in slave mode an amount of data in non blocking mode using HAL_FMPI2C_Slave_Receive_IT() - (+) At reception end of transfer HAL_FMPI2C_SlaveRxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_SlaveRxCpltCallback - (+) In case of transfer Error, HAL_FMPI2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_ErrorCallback - - *** Interrupt mode IO MEM operation *** - ======================================= - [..] - (+) Write an amount of data in no-blocking mode with Interrupt to a specific memory address using - HAL_FMPI2C_Mem_Write_IT() - (+) At MEM end of write transfer HAL_FMPI2C_MemTxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MemTxCpltCallback - (+) Read an amount of data in no-blocking mode with Interrupt from a specific memory address using - HAL_FMPI2C_Mem_Read_IT() - (+) At MEM end of read transfer HAL_FMPI2C_MemRxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MemRxCpltCallback - (+) In case of transfer Error, HAL_FMPI2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_ErrorCallback - - *** DMA mode IO operation *** - ============================== - [..] - (+) Transmit in master mode an amount of data in non blocking mode (DMA) using - HAL_FMPI2C_Master_Transmit_DMA() - (+) At transmission end of transfer HAL_FMPI2C_MasterTxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MasterTxCpltCallback - (+) Receive in master mode an amount of data in non blocking mode (DMA) using - HAL_FMPI2C_Master_Receive_DMA() - (+) At reception end of transfer HAL_FMPI2C_MasterRxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MasterRxCpltCallback - (+) Transmit in slave mode an amount of data in non blocking mode (DMA) using - HAL_FMPI2C_Slave_Transmit_DMA() - (+) At transmission end of transfer HAL_FMPI2C_SlaveTxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_SlaveTxCpltCallback - (+) Receive in slave mode an amount of data in non blocking mode (DMA) using - HAL_FMPI2C_Slave_Receive_DMA() - (+) At reception end of transfer HAL_FMPI2C_SlaveRxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_SlaveRxCpltCallback - (+) In case of transfer Error, HAL_FMPI2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_ErrorCallback - - *** DMA mode IO MEM operation *** - ================================= - [..] - (+) Write an amount of data in no-blocking mode with DMA to a specific memory address using - HAL_FMPI2C_Mem_Write_DMA() - (+) At MEM end of write transfer HAL_FMPI2C_MemTxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MemTxCpltCallback - (+) Read an amount of data in no-blocking mode with DMA from a specific memory address using - HAL_FMPI2C_Mem_Read_DMA() - (+) At MEM end of read transfer HAL_FMPI2C_MemRxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_MemRxCpltCallback - (+) In case of transfer Error, HAL_FMPI2C_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_FMPI2C_ErrorCallback - - - *** FMPI2C HAL driver macros list *** - ================================== - [..] - Below the list of most used macros in FMPI2C HAL driver. - - (+) __HAL_FMPI2C_ENABLE: Enable the FMPI2C peripheral - (+) __HAL_FMPI2C_DISABLE: Disable the FMPI2C peripheral - (+) __HAL_FMPI2C_GET_FLAG : Checks whether the specified FMPI2C flag is set or not - (+) __HAL_FMPI2C_CLEAR_FLAG : Clears the specified FMPI2C pending flag - (+) __HAL_FMPI2C_ENABLE_IT: Enables the specified FMPI2C interrupt - (+) __HAL_FMPI2C_DISABLE_IT: Disables the specified FMPI2C interrupt - - [..] - (@) You can refer to the FMPI2C HAL driver header file for more useful macros - - @endverbatim - ****************************************************************************** - * @attention - * - * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> - * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @defgroup FMPI2C FMPI2C - * @brief FMPI2C HAL module driver - * @{ - */ - -#ifdef HAL_FMPI2C_MODULE_ENABLED - -#if defined(STM32F410Tx) || defined(STM32F410Cx) || defined(STM32F410Rx) || defined(STM32F446xx) - -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @addtogroup FMPI2C_Private_Constants - * @{ - */ -#define TIMING_CLEAR_MASK ((uint32_t)0xF0FFFFFF) /*<! FMPI2C TIMING clear register Mask */ -#define FMPI2C_TIMEOUT_ADDR ((uint32_t)10000) /* 10 s */ -#define FMPI2C_TIMEOUT_BUSY ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_DIR ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_RXNE ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_STOPF ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_TC ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_TCR ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_TXIS ((uint32_t)25) /* 25 ms */ -#define FMPI2C_TIMEOUT_FLAG ((uint32_t)25) /* 25 ms */ -/** - * @} - */ - -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/** @addtogroup FMPI2C_Private_Functions - * @brief FMPI2C private functions - * @{ - */ -static void FMPI2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma); -static void FMPI2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma); -static void FMPI2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma); -static void FMPI2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma); -static void FMPI2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma); -static void FMPI2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma); -static void FMPI2C_DMAError(DMA_HandleTypeDef *hdma); - -static HAL_StatusTypeDef FMPI2C_RequestMemoryWrite(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); -static HAL_StatusTypeDef FMPI2C_RequestMemoryRead(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout); -static HAL_StatusTypeDef FMPI2C_WaitOnFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout); -static HAL_StatusTypeDef FMPI2C_WaitOnTXISFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout); -static HAL_StatusTypeDef FMPI2C_WaitOnRXNEFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout); -static HAL_StatusTypeDef FMPI2C_WaitOnSTOPFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout); -static HAL_StatusTypeDef FMPI2C_IsAcknowledgeFailed(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout); - -static HAL_StatusTypeDef FMPI2C_MasterTransmit_ISR(FMPI2C_HandleTypeDef *hfmpi2c); -static HAL_StatusTypeDef FMPI2C_MasterReceive_ISR(FMPI2C_HandleTypeDef *hfmpi2c); - -static HAL_StatusTypeDef FMPI2C_SlaveTransmit_ISR(FMPI2C_HandleTypeDef *hfmpi2c); -static HAL_StatusTypeDef FMPI2C_SlaveReceive_ISR(FMPI2C_HandleTypeDef *hfmpi2c); - -static void FMPI2C_TransferConfig(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request); -/** - * @} - */ - -/* Exported functions --------------------------------------------------------*/ -/** @defgroup FMPI2C_Exported_Functions FMPI2C Exported Functions - * @{ - */ - -/** @defgroup FMPI2C_Exported_Functions_Group1 Initialization and de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - =============================================================================== - ##### Initialization and de-initialization functions ##### - =============================================================================== - [..] This subsection provides a set of functions allowing to initialize and - de-initialiaze the FMPI2Cx peripheral: - - (+) User must Implement HAL_FMPI2C_MspInit() function in which he configures - all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). - - (+) Call the function HAL_FMPI2C_Init() to configure the selected device with - the selected configuration: - (++) Clock Timing - (++) Own Address 1 - (++) Addressing mode (Master, Slave) - (++) Dual Addressing mode - (++) Own Address 2 - (++) Own Address 2 Mask - (++) General call mode - (++) Nostretch mode - - (+) Call the function HAL_FMPI2C_DeInit() to restore the default configuration - of the selected FMPI2Cx periperal. - -@endverbatim - * @{ - */ - -/** - * @brief Initializes the FMPI2C according to the specified parameters - * in the FMPI2C_InitTypeDef and create the associated handle. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Init(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* Check the FMPI2C handle allocation */ - if(hfmpi2c == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); - assert_param(IS_FMPI2C_OWN_ADDRESS1(hfmpi2c->Init.OwnAddress1)); - assert_param(IS_FMPI2C_ADDRESSING_MODE(hfmpi2c->Init.AddressingMode)); - assert_param(IS_FMPI2C_DUAL_ADDRESS(hfmpi2c->Init.DualAddressMode)); - assert_param(IS_FMPI2C_OWN_ADDRESS2(hfmpi2c->Init.OwnAddress2)); - assert_param(IS_FMPI2C_OWN_ADDRESS2_MASK(hfmpi2c->Init.OwnAddress2Masks)); - assert_param(IS_FMPI2C_GENERAL_CALL(hfmpi2c->Init.GeneralCallMode)); - assert_param(IS_FMPI2C_NO_STRETCH(hfmpi2c->Init.NoStretchMode)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - hfmpi2c->Lock = HAL_UNLOCKED; - /* Init the low level hardware : GPIO, CLOCK, CORTEX...etc */ - HAL_FMPI2C_MspInit(hfmpi2c); - } - - hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; - - /* Disable the selected FMPI2C peripheral */ - __HAL_FMPI2C_DISABLE(hfmpi2c); - - /*---------------------------- FMPI2Cx TIMINGR Configuration ------------------*/ - /* Configure FMPI2Cx: Frequency range */ - hfmpi2c->Instance->TIMINGR = hfmpi2c->Init.Timing & TIMING_CLEAR_MASK; - - /*---------------------------- FMPI2Cx OAR1 Configuration ---------------------*/ - /* Configure FMPI2Cx: Own Address1 and ack own address1 mode */ - hfmpi2c->Instance->OAR1 &= ~FMPI2C_OAR1_OA1EN; - if(hfmpi2c->Init.OwnAddress1 != 0) - { - if(hfmpi2c->Init.AddressingMode == FMPI2C_ADDRESSINGMODE_7BIT) - { - hfmpi2c->Instance->OAR1 = (FMPI2C_OAR1_OA1EN | hfmpi2c->Init.OwnAddress1); - } - else /* FMPI2C_ADDRESSINGMODE_10BIT */ - { - hfmpi2c->Instance->OAR1 = (FMPI2C_OAR1_OA1EN | FMPI2C_OAR1_OA1MODE | hfmpi2c->Init.OwnAddress1); - } - } - - /*---------------------------- FMPI2Cx CR2 Configuration ----------------------*/ - /* Configure FMPI2Cx: Addressing Master mode */ - if(hfmpi2c->Init.AddressingMode == FMPI2C_ADDRESSINGMODE_10BIT) - { - hfmpi2c->Instance->CR2 = (FMPI2C_CR2_ADD10); - } - /* Enable the AUTOEND by default, and enable NACK (should be disable only during Slave process */ - hfmpi2c->Instance->CR2 |= (FMPI2C_CR2_AUTOEND | FMPI2C_CR2_NACK); - - /*---------------------------- FMPI2Cx OAR2 Configuration ---------------------*/ - /* Configure FMPI2Cx: Dual mode and Own Address2 */ - hfmpi2c->Instance->OAR2 = (hfmpi2c->Init.DualAddressMode | hfmpi2c->Init.OwnAddress2 | (hfmpi2c->Init.OwnAddress2Masks << 8)); - - /*---------------------------- FMPI2Cx CR1 Configuration ----------------------*/ - /* Configure FMPI2Cx: Generalcall and NoStretch mode */ - hfmpi2c->Instance->CR1 = (hfmpi2c->Init.GeneralCallMode | hfmpi2c->Init.NoStretchMode); - - /* Enable the selected FMPI2C peripheral */ - __HAL_FMPI2C_ENABLE(hfmpi2c); - - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - return HAL_OK; -} - -/** - * @brief DeInitializes the FMPI2C peripheral. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_DeInit(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* Check the FMPI2C handle allocation */ - if(hfmpi2c == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); - - hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; - - /* Disable the FMPI2C Peripheral Clock */ - __HAL_FMPI2C_DISABLE(hfmpi2c); - - /* DeInit the low level hardware: GPIO, CLOCK, NVIC */ - HAL_FMPI2C_MspDeInit(hfmpi2c); - - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - hfmpi2c->State = HAL_FMPI2C_STATE_RESET; - - /* Release Lock */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; -} - -/** - * @brief FMPI2C MSP Init. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ - __weak void HAL_FMPI2C_MspInit(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_MspInit could be implemented in the user file - */ -} - -/** - * @brief FMPI2C MSP DeInit - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ - __weak void HAL_FMPI2C_MspDeInit(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_MspDeInit could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup FMPI2C_Exported_Functions_Group2 I/O operation functions - * @brief Data transfers functions - * -@verbatim - =============================================================================== - ##### IO operation functions ##### - =============================================================================== - [..] - This subsection provides a set of functions allowing to manage the FMPI2C data - transfers. - - (#) There is two mode of transfer: - (++) Blocking mode : The communication is performed in the polling mode. - The status of all data processing is returned by the same function - after finishing transfer. - (++) No-Blocking mode : The communication is performed using Interrupts - or DMA. These functions return the status of the transfer startup. - The end of the data processing will be indicated through the - dedicated FMPI2C IRQ when using Interrupt mode or the DMA IRQ when - using DMA mode. - - (#) Blocking mode functions are : - (++) HAL_FMPI2C_Master_Transmit() - (++) HAL_FMPI2C_Master_Receive() - (++) HAL_FMPI2C_Slave_Transmit() - (++) HAL_FMPI2C_Slave_Receive() - (++) HAL_FMPI2C_Mem_Write() - (++) HAL_FMPI2C_Mem_Read() - (++) HAL_FMPI2C_IsDeviceReady() - - (#) No-Blocking mode functions with Interrupt are : - (++) HAL_FMPI2C_Master_Transmit_IT() - (++) HAL_FMPI2C_Master_Receive_IT() - (++) HAL_FMPI2C_Slave_Transmit_IT() - (++) HAL_FMPI2C_Slave_Receive_IT() - (++) HAL_FMPI2C_Mem_Write_IT() - (++) HAL_FMPI2C_Mem_Read_IT() - - (#) No-Blocking mode functions with DMA are : - (++) HAL_FMPI2C_Master_Transmit_DMA() - (++) HAL_FMPI2C_Master_Receive_DMA() - (++) HAL_FMPI2C_Slave_Transmit_DMA() - (++) HAL_FMPI2C_Slave_Receive_DMA() - (++) HAL_FMPI2C_Mem_Write_DMA() - (++) HAL_FMPI2C_Mem_Read_DMA() - - (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: - (++) HAL_FMPI2C_MemTxCpltCallback() - (++) HAL_FMPI2C_MemRxCpltCallback() - (++) HAL_FMPI2C_MasterTxCpltCallback() - (++) HAL_FMPI2C_MasterRxCpltCallback() - (++) HAL_FMPI2C_SlaveTxCpltCallback() - (++) HAL_FMPI2C_SlaveRxCpltCallback() - (++) HAL_FMPI2C_ErrorCallback() - -@endverbatim - * @{ - */ - -/** - * @brief Transmits in master mode an amount of data in blocking mode. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Master_Transmit(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - uint32_t sizetmp = 0; - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL ) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MASTER_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - /* Size > 255, need to set RELOAD bit */ - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_WRITE); - sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_WRITE); - sizetmp = Size; - } - - do - { - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - /* Write data to TXDR */ - hfmpi2c->Instance->TXDR = (*pData++); - sizetmp--; - Size--; - - if((sizetmp == 0)&&(Size!=0)) - { - /* Wait until TXE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - sizetmp = Size; - } - } - - }while(Size > 0); - - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is set */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receives in master mode an amount of data in blocking mode. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Master_Receive(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - uint32_t sizetmp = 0; - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL ) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MASTER_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - /* Size > 255, need to set RELOAD bit */ - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_READ); - sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_READ); - sizetmp = Size; - } - - do - { - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Write data to RXDR */ - (*pData++) =hfmpi2c->Instance->RXDR; - sizetmp--; - Size--; - - if((sizetmp == 0)&&(Size!=0)) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - sizetmp = Size; - } - } - - }while(Size > 0); - - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is set */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmits in slave mode an amount of data in blocking mode. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Slave_Transmit(FMPI2C_HandleTypeDef *hfmpi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL ) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_SLAVE_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Enable Address Acknowledge */ - hfmpi2c->Instance->CR2 &= ~FMPI2C_CR2_NACK; - - /* Wait until ADDR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_ADDR); - - /* If 10bit addressing mode is selected */ - if(hfmpi2c->Init.AddressingMode == FMPI2C_ADDRESSINGMODE_10BIT) - { - /* Wait until ADDR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_ADDR); - } - - /* Wait until DIR flag is set Transmitter mode */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_DIR, RESET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - do - { - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Read data from TXDR */ - hfmpi2c->Instance->TXDR = (*pData++); - Size--; - }while(Size > 0); - - /* Wait until STOP flag is set */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Normal use case for Transmitter mode */ - /* A NACK is generated to confirm the end of transfer */ - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Clear STOP flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_STOPF); - - /* Wait until BUSY flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_BUSY, SET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in slave mode an amount of data in blocking mode - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Slave_Receive(FMPI2C_HandleTypeDef *hfmpi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL ) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_SLAVE_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Enable Address Acknowledge */ - hfmpi2c->Instance->CR2 &= ~FMPI2C_CR2_NACK; - - /* Wait until ADDR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_ADDR, RESET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_ADDR); - - /* Wait until DIR flag is reset Receiver mode */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_DIR, SET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - while(Size > 0) - { - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnRXNEFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_TIMEOUT) - { - return HAL_TIMEOUT; - } - else - { - return HAL_ERROR; - } - } - - /* Read data from RXDR */ - (*pData++) = hfmpi2c->Instance->RXDR; - Size--; - } - - /* Wait until STOP flag is set */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Clear STOP flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_STOPF); - - /* Wait until BUSY flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_BUSY, SET, Timeout) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in master mode an amount of data in no-blocking mode with Interrupt - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Master_Transmit_IT(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MASTER_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_WRITE); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_WRITE); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Note : The FMPI2C interrupts must be enabled after unlocking current process - to avoid the risk of FMPI2C interrupt handle execution before current - process unlock */ - - - /* Enable ERR, TC, STOP, NACK, TXI interrupt */ - /* possible to enable all of these */ - /* FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI */ - __HAL_FMPI2C_ENABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_TXI ); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in master mode an amount of data in no-blocking mode with Interrupt - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Master_Receive_IT(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MASTER_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_READ); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_READ); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Note : The FMPI2C interrupts must be enabled after unlocking current process - to avoid the risk of FMPI2C interrupt handle execution before current - process unlock */ - - /* Enable ERR, TC, STOP, NACK, RXI interrupt */ - /* possible to enable all of these */ - /* FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI */ - __HAL_FMPI2C_ENABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI | FMPI2C_IT_STOPI | FMPI2C_IT_NACKI | FMPI2C_IT_RXI ); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in slave mode an amount of data in no-blocking mode with Interrupt - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Slave_Transmit_IT(FMPI2C_HandleTypeDef *hfmpi2c, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_SLAVE_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Enable Address Acknowledge */ - hfmpi2c->Instance->CR2 &= ~FMPI2C_CR2_NACK; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferSize = Size; - hfmpi2c->XferCount = Size; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Note : The FMPI2C interrupts must be enabled after unlocking current process - to avoid the risk of FMPI2C interrupt handle execution before current - process unlock */ - - /* Enable ERR, TC, STOP, NACK, TXI interrupt */ - /* possible to enable all of these */ - /* FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI */ - __HAL_FMPI2C_ENABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI | FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_TXI ); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in slave mode an amount of data in no-blocking mode with Interrupt - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Slave_Receive_IT(FMPI2C_HandleTypeDef *hfmpi2c, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_SLAVE_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Enable Address Acknowledge */ - hfmpi2c->Instance->CR2 &= ~FMPI2C_CR2_NACK; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferSize = Size; - hfmpi2c->XferCount = Size; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Note : The FMPI2C interrupts must be enabled after unlocking current process - to avoid the risk of FMPI2C interrupt handle execution before current - process unlock */ - - /* Enable ERR, TC, STOP, NACK, RXI interrupt */ - /* possible to enable all of these */ - /* FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI */ - __HAL_FMPI2C_ENABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI | FMPI2C_IT_STOPI | FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in master mode an amount of data in no-blocking mode with DMA - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Master_Transmit_DMA(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MASTER_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Set the FMPI2C DMA transfer complete callback */ - hfmpi2c->hdmatx->XferCpltCallback = FMPI2C_DMAMasterTransmitCplt; - - /* Set the DMA error callback */ - hfmpi2c->hdmatx->XferErrorCallback = FMPI2C_DMAError; - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmatx, (uint32_t)pData, (uint32_t)&hfmpi2c->Instance->TXDR, hfmpi2c->XferSize); - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_WRITE); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_WRITE); - } - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_TXIS) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_TXDMAEN; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in master mode an amount of data in no-blocking mode with DMA - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Master_Receive_DMA(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MASTER_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Set the FMPI2C DMA transfer complete callback */ - hfmpi2c->hdmarx->XferCpltCallback = FMPI2C_DMAMasterReceiveCplt; - - /* Set the DMA error callback */ - hfmpi2c->hdmarx->XferErrorCallback = FMPI2C_DMAError; - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmarx, (uint32_t)&hfmpi2c->Instance->RXDR, (uint32_t)pData, hfmpi2c->XferSize); - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_READ); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_READ); - } - - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_RXNE, RESET, FMPI2C_TIMEOUT_RXNE) != HAL_OK) - { - return HAL_TIMEOUT; - } - - - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_RXDMAEN; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Transmit in slave mode an amount of data in no-blocking mode with DMA - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Slave_Transmit_DMA(FMPI2C_HandleTypeDef *hfmpi2c, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_SLAVE_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - hfmpi2c->XferSize = Size; - - /* Set the FMPI2C DMA transfer complete callback */ - hfmpi2c->hdmatx->XferCpltCallback = FMPI2C_DMASlaveTransmitCplt; - - /* Set the DMA error callback */ - hfmpi2c->hdmatx->XferErrorCallback = FMPI2C_DMAError; - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmatx, (uint32_t)pData, (uint32_t)&hfmpi2c->Instance->TXDR, hfmpi2c->XferSize); - - /* Enable Address Acknowledge */ - hfmpi2c->Instance->CR2 &= ~FMPI2C_CR2_NACK; - - /* Wait until ADDR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_ADDR, RESET, FMPI2C_TIMEOUT_ADDR) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_ADDR); - - /* If 10bits addressing mode is selected */ - if(hfmpi2c->Init.AddressingMode == FMPI2C_ADDRESSINGMODE_10BIT) - { - /* Wait until ADDR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_ADDR, RESET, FMPI2C_TIMEOUT_ADDR) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_ADDR); - } - - /* Wait until DIR flag is set Transmitter mode */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_DIR, RESET, FMPI2C_TIMEOUT_BUSY) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_TXDMAEN; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Receive in slave mode an amount of data in no-blocking mode with DMA - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Slave_Receive_DMA(FMPI2C_HandleTypeDef *hfmpi2c, uint8_t *pData, uint16_t Size) -{ - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_SLAVE_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferSize = Size; - hfmpi2c->XferCount = Size; - - /* Set the FMPI2C DMA transfer complete callback */ - hfmpi2c->hdmarx->XferCpltCallback = FMPI2C_DMASlaveReceiveCplt; - - /* Set the DMA error callback */ - hfmpi2c->hdmarx->XferErrorCallback = FMPI2C_DMAError; - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmarx, (uint32_t)&hfmpi2c->Instance->RXDR, (uint32_t)pData, Size); - - /* Enable Address Acknowledge */ - hfmpi2c->Instance->CR2 &= ~FMPI2C_CR2_NACK; - - /* Wait until ADDR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_ADDR, RESET, FMPI2C_TIMEOUT_ADDR) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_ADDR); - - /* Wait until DIR flag is set Receiver mode */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_DIR, SET, FMPI2C_TIMEOUT_DIR) != HAL_OK) - { - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - return HAL_TIMEOUT; - } - - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_RXDMAEN; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} -/** - * @brief Write an amount of data in blocking mode to a specific memory address - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Mem_Write(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - uint32_t Sizetmp = 0; - - /* Check the parameters */ - assert_param(IS_FMPI2C_MEMADD_SIZE(MemAddSize)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MEM_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Send Slave Address and Memory Address */ - if(FMPI2C_RequestMemoryWrite(hfmpi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_ERROR; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - - /* Set NBYTES to write and reload if size > 255 */ - /* Size > 255, need to set RELOAD bit */ - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - Sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - Sizetmp = Size; - } - - do - { - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Write data to DR */ - hfmpi2c->Instance->TXDR = (*pData++); - Sizetmp--; - Size--; - - if((Sizetmp == 0)&&(Size!=0)) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - Sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - Sizetmp = Size; - } - } - - }while(Size > 0); - - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Read an amount of data in blocking mode from a specific memory address - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Mem_Read(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout) -{ - uint32_t Sizetmp = 0; - - /* Check the parameters */ - assert_param(IS_FMPI2C_MEMADD_SIZE(MemAddSize)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MEM_BUSY_RX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - /* Send Slave Address and Memory Address */ - if(FMPI2C_RequestMemoryRead(hfmpi2c, DevAddress, MemAddress, MemAddSize, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_ERROR; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - /* Size > 255, need to set RELOAD bit */ - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_READ); - Sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_READ); - Sizetmp = Size; - } - - do - { - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_RXNE, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Read data from RXDR */ - (*pData++) = hfmpi2c->Instance->RXDR; - - /* Decrement the Size counter */ - Sizetmp--; - Size--; - - if((Sizetmp == 0)&&(Size!=0)) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - if(Size > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - Sizetmp = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,Size, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - Sizetmp = Size; - } - } - - }while(Size > 0); - - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} -/** - * @brief Write an amount of data in no-blocking mode with Interrupt to a specific memory address - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Mem_Write_IT(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - /* Check the parameters */ - assert_param(IS_FMPI2C_MEMADD_SIZE(MemAddSize)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MEM_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Send Slave Address and Memory Address */ - if(FMPI2C_RequestMemoryWrite(hfmpi2c, DevAddress, MemAddress, MemAddSize, FMPI2C_TIMEOUT_FLAG) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_ERROR; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - - /* Set NBYTES to write and reload if size > 255 */ - /* Size > 255, need to set RELOAD bit */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Note : The FMPI2C interrupts must be enabled after unlocking current process - to avoid the risk of FMPI2C interrupt handle execution before current - process unlock */ - - /* Enable ERR, TC, STOP, NACK, TXI interrupt */ - /* possible to enable all of these */ - /* FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI */ - __HAL_FMPI2C_ENABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_TXI ); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Read an amount of data in no-blocking mode with Interrupt from a specific memory address - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Mem_Read_IT(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - /* Check the parameters */ - assert_param(IS_FMPI2C_MEMADD_SIZE(MemAddSize)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MEM_BUSY_RX; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Send Slave Address and Memory Address */ - if(FMPI2C_RequestMemoryRead(hfmpi2c, DevAddress, MemAddress, MemAddSize, FMPI2C_TIMEOUT_FLAG) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_ERROR; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - /* Size > 255, need to set RELOAD bit */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_READ); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_READ); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Note : The FMPI2C interrupts must be enabled after unlocking current process - to avoid the risk of FMPI2C interrupt handle execution before current - process unlock */ - - /* Enable ERR, TC, STOP, NACK, RXI interrupt */ - /* possible to enable all of these */ - /* FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI */ - __HAL_FMPI2C_ENABLE_IT(hfmpi2c, FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_RXI ); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} -/** - * @brief Write an amount of data in no-blocking mode with DMA to a specific memory address - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be sent - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Mem_Write_DMA(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - /* Check the parameters */ - assert_param(IS_FMPI2C_MEMADD_SIZE(MemAddSize)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MEM_BUSY_TX; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Set the FMPI2C DMA transfer complete callback */ - hfmpi2c->hdmatx->XferCpltCallback = FMPI2C_DMAMemTransmitCplt; - - /* Set the DMA error callback */ - hfmpi2c->hdmatx->XferErrorCallback = FMPI2C_DMAError; - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmatx, (uint32_t)pData, (uint32_t)&hfmpi2c->Instance->TXDR, hfmpi2c->XferSize); - - /* Send Slave Address and Memory Address */ - if(FMPI2C_RequestMemoryWrite(hfmpi2c, DevAddress, MemAddress, MemAddSize, FMPI2C_TIMEOUT_FLAG) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_ERROR; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - } - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_TXIS) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_TXDMAEN; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Reads an amount of data in no-blocking mode with DMA from a specific memory address. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param pData: Pointer to data buffer - * @param Size: Amount of data to be read - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_Mem_Read_DMA(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size) -{ - /* Check the parameters */ - assert_param(IS_FMPI2C_MEMADD_SIZE(MemAddSize)); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if((pData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_MEM_BUSY_RX; - - hfmpi2c->pBuffPtr = pData; - hfmpi2c->XferCount = Size; - if(Size > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = Size; - } - - /* Set the FMPI2C DMA transfer complete callback */ - hfmpi2c->hdmarx->XferCpltCallback = FMPI2C_DMAMemReceiveCplt; - - /* Set the DMA error callback */ - hfmpi2c->hdmarx->XferErrorCallback = FMPI2C_DMAError; - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmarx, (uint32_t)&hfmpi2c->Instance->RXDR, (uint32_t)pData, hfmpi2c->XferSize); - - /* Send Slave Address and Memory Address */ - if(FMPI2C_RequestMemoryRead(hfmpi2c, DevAddress, MemAddress, MemAddSize, FMPI2C_TIMEOUT_FLAG) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_ERROR; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - - /* Set NBYTES to write and reload if size > 255 and generate RESTART */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_READ); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_GENERATE_START_READ); - } - - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_RXNE, RESET, FMPI2C_TIMEOUT_RXNE) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_RXDMAEN; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Checks if target device is ready for communication. - * @note This function is used with Memory devices - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param Trials: Number of trials - * @param Timeout: Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_FMPI2C_IsDeviceReady(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout) -{ - uint32_t tickstart = 0; - - __IO uint32_t FMPI2C_Trials = 0; - - if(hfmpi2c->State == HAL_FMPI2C_STATE_READY) - { - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BUSY) == SET) - { - return HAL_BUSY; - } - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_BUSY; - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - - do - { - /* Generate Start */ - hfmpi2c->Instance->CR2 = __HAL_FMPI2C_GENERATE_START(hfmpi2c->Init.AddressingMode,DevAddress); - - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is set or a NACK flag is set*/ - tickstart = HAL_GetTick(); - while((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == RESET) && (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == RESET) && (hfmpi2c->State != HAL_FMPI2C_STATE_TIMEOUT)) - { - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - /* Device is ready */ - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - } - - /* Check if the NACKF flag has not been set */ - if (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == RESET) - { - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Device is ready */ - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - } - else - { - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Clear NACK Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Clear STOP Flag, auto generated with autoend*/ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - } - - /* Check if the maximum allowed number of trials has been reached */ - if (FMPI2C_Trials++ == Trials) - { - /* Generate Stop */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_STOP; - - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_STOPF, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - } - }while(FMPI2C_Trials < Trials); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_TIMEOUT; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief This function handles FMPI2C event interrupt request. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ -void HAL_FMPI2C_EV_IRQHandler(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* FMPI2C in mode Transmitter ---------------------------------------------------*/ - if (((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TXIS) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TCR) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TC) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_ADDR) == SET)) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, (FMPI2C_IT_TCI | FMPI2C_IT_STOPI | FMPI2C_IT_NACKI | FMPI2C_IT_TXI | FMPI2C_IT_ADDRI)) == SET)) - { - /* Slave mode selected */ - if (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_TX) - { - FMPI2C_SlaveTransmit_ISR(hfmpi2c); - } - } - - if (((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TXIS) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TCR) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TC) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET)) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, (FMPI2C_IT_TCI | FMPI2C_IT_STOPI | FMPI2C_IT_NACKI | FMPI2C_IT_TXI)) == SET)) - { - /* Master mode selected */ - if ((hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MEM_BUSY_TX)) - { - FMPI2C_MasterTransmit_ISR(hfmpi2c); - } - } - - /* FMPI2C in mode Receiver ----------------------------------------------------*/ - if (((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_RXNE) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TCR) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TC) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_ADDR) == SET)) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, (FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_RXI | FMPI2C_IT_ADDRI)) == SET)) - { - /* Slave mode selected */ - if (hfmpi2c->State == HAL_FMPI2C_STATE_SLAVE_BUSY_RX) - { - FMPI2C_SlaveReceive_ISR(hfmpi2c); - } - } - if (((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_RXNE) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TCR) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TC) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) || (__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET)) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, (FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_RXI)) == SET)) - { - /* Master mode selected */ - if ((hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_RX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MEM_BUSY_RX)) - { - FMPI2C_MasterReceive_ISR(hfmpi2c); - } - } -} - -/** - * @brief This function handles FMPI2C error interrupt request. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ -void HAL_FMPI2C_ER_IRQHandler(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* FMPI2C Bus error interrupt occurred ------------------------------------*/ - if((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_BERR) == SET) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, FMPI2C_IT_ERRI) == SET)) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_BERR; - - /* Clear BERR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_BERR); - } - - /* FMPI2C Over-Run/Under-Run interrupt occurred ----------------------------------------*/ - if((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_OVR) == SET) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, FMPI2C_IT_ERRI) == SET)) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_OVR; - - /* Clear OVR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_OVR); - } - - /* FMPI2C Arbitration Loss error interrupt occurred -------------------------------------*/ - if((__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_ARLO) == SET) && (__HAL_FMPI2C_GET_IT_SOURCE(hfmpi2c, FMPI2C_IT_ERRI) == SET)) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_ARLO; - - /* Clear ARLO flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_ARLO); - } - - /* Call the Error Callback in case of Error detected */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } -} - -/** - * @brief Master Tx Transfer completed callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ - __weak void HAL_FMPI2C_MasterTxCpltCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Master Rx Transfer completed callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ -__weak void HAL_FMPI2C_MasterRxCpltCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_TxCpltCallback could be implemented in the user file - */ -} - -/** @brief Slave Tx Transfer completed callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ - __weak void HAL_FMPI2C_SlaveTxCpltCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Slave Rx Transfer completed callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ -__weak void HAL_FMPI2C_SlaveRxCpltCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Memory Tx Transfer completed callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ - __weak void HAL_FMPI2C_MemTxCpltCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Memory Rx Transfer completed callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ -__weak void HAL_FMPI2C_MemRxCpltCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief FMPI2C error callbacks. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval None - */ - __weak void HAL_FMPI2C_ErrorCallback(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* NOTE : This function Should not be modified, when the callback is needed, - the HAL_FMPI2C_ErrorCallback could be implemented in the user file - */ -} - -/** - * @} - */ - -/** @defgroup FMPI2C_Exported_Functions_Group3 Peripheral State and Errors functions - * @brief Peripheral State and Errors functions - * -@verbatim - =============================================================================== - ##### Peripheral State and Errors functions ##### - =============================================================================== - [..] - This subsection permit to get in run-time the status of the peripheral - and the data flow. - -@endverbatim - * @{ - */ - -/** - * @brief Returns the FMPI2C state. - * @param hfmpi2c : FMPI2C handle - * @retval HAL state - */ -HAL_FMPI2C_StateTypeDef HAL_FMPI2C_GetState(FMPI2C_HandleTypeDef *hfmpi2c) -{ - return hfmpi2c->State; -} - -/** -* @brief Return the FMPI2C error code -* @param hfmpi2c : pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. -* @retval FMPI2C Error Code -*/ -uint32_t HAL_FMPI2C_GetError(FMPI2C_HandleTypeDef *hfmpi2c) -{ - return hfmpi2c->ErrorCode; -} - -/** - * @} - */ - -/** - * @brief Handle Interrupt Flags Master Transmit Mode - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_MasterTransmit_ISR(FMPI2C_HandleTypeDef *hfmpi2c) -{ - uint16_t DevAddress; - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TXIS) == SET) - { - /* Write data to TXDR */ - hfmpi2c->Instance->TXDR = (*hfmpi2c->pBuffPtr++); - hfmpi2c->XferSize--; - hfmpi2c->XferCount--; - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TCR) == SET) - { - if((hfmpi2c->XferSize == 0)&&(hfmpi2c->XferCount!=0)) - { - DevAddress = (hfmpi2c->Instance->CR2 & FMPI2C_CR2_SADD); - - if(hfmpi2c->XferCount > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - hfmpi2c->XferSize = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferCount, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - hfmpi2c->XferSize = hfmpi2c->XferCount; - } - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Wrong size Status regarding TCR flag event */ - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_SIZE; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TC) == SET) - { - if(hfmpi2c->XferCount == 0) - { - /* Generate Stop */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_STOP; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Wrong size Status regarding TCR flag event */ - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_SIZE; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) - { - /* Disable ERR, TC, STOP, NACK, TXI interrupt */ - __HAL_FMPI2C_DISABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_TXI ); - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_MEM_BUSY_TX) - { - HAL_FMPI2C_MemTxCpltCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_MasterTxCpltCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET) - { - /* Clear NACK Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; -} - -/** - * @brief Handle Interrupt Flags Master Receive Mode - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_MasterReceive_ISR(FMPI2C_HandleTypeDef *hfmpi2c) -{ - uint16_t DevAddress; - - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_RXNE) == SET) - { - /* Read data from RXDR */ - (*hfmpi2c->pBuffPtr++) = hfmpi2c->Instance->RXDR; - hfmpi2c->XferSize--; - hfmpi2c->XferCount--; - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TCR) == SET) - { - if((hfmpi2c->XferSize == 0)&&(hfmpi2c->XferCount!=0)) - { - DevAddress = (hfmpi2c->Instance->CR2 & FMPI2C_CR2_SADD); - - if(hfmpi2c->XferCount > 255) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,255, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - hfmpi2c->XferSize = 255; - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferCount, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - hfmpi2c->XferSize = hfmpi2c->XferCount; - } - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Wrong size Status regarding TCR flag event */ - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_SIZE; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TC) == SET) - { - if(hfmpi2c->XferCount == 0) - { - /* Generate Stop */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_STOP; - } - else - { - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Wrong size Status regarding TCR flag event */ - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_SIZE; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) - { - /* Disable ERR, TC, STOP, NACK, TXI interrupt */ - __HAL_FMPI2C_DISABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_RXI ); - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - if(hfmpi2c->State == HAL_FMPI2C_STATE_MEM_BUSY_RX) - { - HAL_FMPI2C_MemRxCpltCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_MasterRxCpltCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET) - { - /* Clear NACK Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; - -} - -/** - * @brief Handle Interrupt Flags Slave Transmit Mode - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_SlaveTransmit_ISR(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* Process locked */ - __HAL_LOCK(hfmpi2c); - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) != RESET) - { - /* Check that FMPI2C transfer finished */ - /* if yes, normal usecase, a NACK is sent by the MASTER when Transfer is finished */ - /* Mean XferCount == 0*/ - /* So clear Flag NACKF only */ - if(hfmpi2c->XferCount == 0) - { - /* Clear NACK Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - } - else - { - /* if no, error usecase, a Non-Acknowledge of last Data is generated by the MASTER*/ - /* Clear NACK Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Set ErrorCode corresponding to a Non-Acknowledge */ - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - /* Call the Error callback to prevent upper layer */ - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_ADDR) == SET) - { - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_ADDR); - } - /* Check first if STOPF is set */ - /* to prevent a Write Data in TX buffer */ - /* which is stuck in TXDR until next */ - /* communication with Master */ - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) - { - /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ - __HAL_FMPI2C_DISABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_TXI ); - - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - HAL_FMPI2C_SlaveTxCpltCallback(hfmpi2c); - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TXIS) == SET) - { - /* Write data to TXDR only if XferCount not reach "0" */ - /* A TXIS flag can be set, during STOP treatment */ - if(hfmpi2c->XferCount > 0) - { - /* Write data to TXDR */ - hfmpi2c->Instance->TXDR = (*hfmpi2c->pBuffPtr++); - hfmpi2c->XferCount--; - } - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; -} - -/** - * @brief Handle Interrupt Flags Slave Receive Mode - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_SlaveReceive_ISR(FMPI2C_HandleTypeDef *hfmpi2c) -{ - /* Process Locked */ - __HAL_LOCK(hfmpi2c); - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) != RESET) - { - /* Clear NACK Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_ADDR) == SET) - { - /* Clear ADDR flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_ADDR); - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_RXNE) == SET) - { - /* Read data from RXDR */ - (*hfmpi2c->pBuffPtr++) = hfmpi2c->Instance->RXDR; - hfmpi2c->XferSize--; - hfmpi2c->XferCount--; - } - else if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) - { - /* Disable ERRI, TCI, STOPI, NACKI, ADDRI, RXI, TXI interrupt */ - __HAL_FMPI2C_DISABLE_IT(hfmpi2c,FMPI2C_IT_ERRI | FMPI2C_IT_TCI| FMPI2C_IT_STOPI| FMPI2C_IT_NACKI | FMPI2C_IT_ADDRI | FMPI2C_IT_RXI | FMPI2C_IT_RXI ); - - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - HAL_FMPI2C_SlaveRxCpltCallback(hfmpi2c); - } - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_OK; -} - -/** - * @brief Master sends target device address followed by internal memory address for write request. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_RequestMemoryWrite(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) -{ - FMPI2C_TransferConfig(hfmpi2c,DevAddress,MemAddSize, FMPI2C_RELOAD_MODE, FMPI2C_GENERATE_START_WRITE); - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* If Memory address size is 8Bit */ - if(MemAddSize == FMPI2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hfmpi2c->Instance->TXDR = __HAL_FMPI2C_MEM_ADD_LSB(MemAddress); - } - /* If Memory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hfmpi2c->Instance->TXDR = __HAL_FMPI2C_MEM_ADD_MSB(MemAddress); - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Send LSB of Memory Address */ - hfmpi2c->Instance->TXDR = __HAL_FMPI2C_MEM_ADD_LSB(MemAddress); - } - - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - -return HAL_OK; -} - -/** - * @brief Master sends target device address followed by internal memory address for read request. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param DevAddress: Target device address - * @param MemAddress: Internal memory address - * @param MemAddSize: Size of internal memory address - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_RequestMemoryRead(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint32_t Timeout) -{ - FMPI2C_TransferConfig(hfmpi2c,DevAddress,MemAddSize, FMPI2C_SOFTEND_MODE, FMPI2C_GENERATE_START_WRITE); - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* If Memory address size is 8Bit */ - if(MemAddSize == FMPI2C_MEMADD_SIZE_8BIT) - { - /* Send Memory Address */ - hfmpi2c->Instance->TXDR = __HAL_FMPI2C_MEM_ADD_LSB(MemAddress); - } - /* If Mememory address size is 16Bit */ - else - { - /* Send MSB of Memory Address */ - hfmpi2c->Instance->TXDR = __HAL_FMPI2C_MEM_ADD_MSB(MemAddress); - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, Timeout) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - return HAL_ERROR; - } - else - { - return HAL_TIMEOUT; - } - } - - /* Send LSB of Memory Address */ - hfmpi2c->Instance->TXDR = __HAL_FMPI2C_MEM_ADD_LSB(MemAddress); - } - - /* Wait until TC flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TC, RESET, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - return HAL_OK; -} - - -/** - * @brief DMA FMPI2C master transmit process complete callback. - * @param hdma: DMA handle - * @retval None - */ -static void FMPI2C_DMAMasterTransmitCplt(DMA_HandleTypeDef *hdma) -{ - uint16_t DevAddress; - FMPI2C_HandleTypeDef* hfmpi2c = (FMPI2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; - - /* Check if last DMA request was done with RELOAD */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, FMPI2C_TIMEOUT_TCR) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_TXDMAEN; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - hfmpi2c->pBuffPtr += hfmpi2c->XferSize; - hfmpi2c->XferCount -= hfmpi2c->XferSize; - if(hfmpi2c->XferCount > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = hfmpi2c->XferCount; - } - - DevAddress = (hfmpi2c->Instance->CR2 & FMPI2C_CR2_SADD); - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmatx, (uint32_t)hfmpi2c->pBuffPtr, (uint32_t)&hfmpi2c->Instance->TXDR, hfmpi2c->XferSize); - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - } - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_TXIS) != HAL_OK) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_TXDMAEN; - } - } - } - else - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_TXDMAEN; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_MasterTxCpltCallback(hfmpi2c); - } - } -} - -/** - * @brief DMA FMPI2C slave transmit process complete callback. - * @param hdma: DMA handle - * @retval None - */ -static void FMPI2C_DMASlaveTransmitCplt(DMA_HandleTypeDef *hdma) -{ - FMPI2C_HandleTypeDef* hfmpi2c = (FMPI2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; - - /* Wait until STOP flag is set */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - /* Normal Use case, a AF is generated by master */ - /* to inform slave the end of transfer */ - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c,FMPI2C_FLAG_STOPF); - - /* Wait until BUSY flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_BUSY, SET, FMPI2C_TIMEOUT_BUSY) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_TXDMAEN; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_SlaveTxCpltCallback(hfmpi2c); - } -} - -/** - * @brief DMA FMPI2C master receive process complete callback - * @param hdma: DMA handle - * @retval None - */ -static void FMPI2C_DMAMasterReceiveCplt(DMA_HandleTypeDef *hdma) -{ - FMPI2C_HandleTypeDef* hfmpi2c = (FMPI2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; - uint16_t DevAddress; - - /* Check if last DMA request was done with RELOAD */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, FMPI2C_TIMEOUT_TCR) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_RXDMAEN; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - hfmpi2c->pBuffPtr += hfmpi2c->XferSize; - hfmpi2c->XferCount -= hfmpi2c->XferSize; - if(hfmpi2c->XferCount > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = hfmpi2c->XferCount; - } - - DevAddress = (hfmpi2c->Instance->CR2 & FMPI2C_CR2_SADD); - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmarx, (uint32_t)&hfmpi2c->Instance->RXDR, (uint32_t)hfmpi2c->pBuffPtr, hfmpi2c->XferSize); - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - } - - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_RXNE, RESET, FMPI2C_TIMEOUT_RXNE) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_RXDMAEN; - } - } - } - else - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_RXDMAEN; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_MasterRxCpltCallback(hfmpi2c); - } - } -} - -/** - * @brief DMA FMPI2C slave receive process complete callback. - * @param hdma: DMA handle - * @retval None - */ -static void FMPI2C_DMASlaveReceiveCplt(DMA_HandleTypeDef *hdma) -{ - FMPI2C_HandleTypeDef* hfmpi2c = (FMPI2C_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; - - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOPF flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Wait until BUSY flag is reset */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_BUSY, SET, FMPI2C_TIMEOUT_BUSY) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_RXDMAEN; - - /* Disable Address Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_SlaveRxCpltCallback(hfmpi2c); - } -} - -/** - * @brief DMA FMPI2C Memory Write process complete callback - * @param hdma : DMA handle - * @retval None - */ -static void FMPI2C_DMAMemTransmitCplt(DMA_HandleTypeDef *hdma) -{ - uint16_t DevAddress; - FMPI2C_HandleTypeDef* hfmpi2c = ( FMPI2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - - /* Check if last DMA request was done with RELOAD */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, FMPI2C_TIMEOUT_TCR) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_TXDMAEN; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - hfmpi2c->pBuffPtr += hfmpi2c->XferSize; - hfmpi2c->XferCount -= hfmpi2c->XferSize; - if(hfmpi2c->XferCount > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = hfmpi2c->XferCount; - } - - DevAddress = (hfmpi2c->Instance->CR2 & FMPI2C_CR2_SADD); - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmatx, (uint32_t)hfmpi2c->pBuffPtr, (uint32_t)&hfmpi2c->Instance->TXDR, hfmpi2c->XferSize); - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - } - - /* Wait until TXIS flag is set */ - if(FMPI2C_WaitOnTXISFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_TXIS) != HAL_OK) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_TXDMAEN; - } - } - } - else - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_TXDMAEN; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_MemTxCpltCallback(hfmpi2c); - } - } -} - -/** - * @brief DMA FMPI2C Memory Read process complete callback - * @param hdma: DMA handle - * @retval None - */ -static void FMPI2C_DMAMemReceiveCplt(DMA_HandleTypeDef *hdma) -{ - FMPI2C_HandleTypeDef* hfmpi2c = ( FMPI2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - uint16_t DevAddress; - - /* Check if last DMA request was done with RELOAD */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - /* Wait until TCR flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_TCR, RESET, FMPI2C_TIMEOUT_TCR) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_RXDMAEN; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - hfmpi2c->pBuffPtr += hfmpi2c->XferSize; - hfmpi2c->XferCount -= hfmpi2c->XferSize; - if(hfmpi2c->XferCount > 255) - { - hfmpi2c->XferSize = 255; - } - else - { - hfmpi2c->XferSize = hfmpi2c->XferCount; - } - - DevAddress = (hfmpi2c->Instance->CR2 & FMPI2C_CR2_SADD); - - /* Enable the DMA channel */ - HAL_DMA_Start_IT(hfmpi2c->hdmarx, (uint32_t)&hfmpi2c->Instance->RXDR, (uint32_t)hfmpi2c->pBuffPtr, hfmpi2c->XferSize); - - /* Send Slave Address */ - /* Set NBYTES to write and reload if size > 255 */ - if( (hfmpi2c->XferSize == 255) && (hfmpi2c->XferSize < hfmpi2c->XferCount) ) - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_RELOAD_MODE, FMPI2C_NO_STARTSTOP); - } - else - { - FMPI2C_TransferConfig(hfmpi2c,DevAddress,hfmpi2c->XferSize, FMPI2C_AUTOEND_MODE, FMPI2C_NO_STARTSTOP); - } - - /* Wait until RXNE flag is set */ - if(FMPI2C_WaitOnFlagUntilTimeout(hfmpi2c, FMPI2C_FLAG_RXNE, RESET, FMPI2C_TIMEOUT_RXNE) != HAL_OK) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - /* Enable DMA Request */ - hfmpi2c->Instance->CR1 |= FMPI2C_CR1_RXDMAEN; - } - } - } - else - { - /* No need to Check TC flag, with AUTOEND mode the stop is automatically generated */ - /* Wait until STOPF flag is reset */ - if(FMPI2C_WaitOnSTOPFlagUntilTimeout(hfmpi2c, FMPI2C_TIMEOUT_STOPF) != HAL_OK) - { - if(hfmpi2c->ErrorCode == HAL_FMPI2C_ERROR_AF) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_AF; - } - else - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - } - } - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - /* Disable DMA Request */ - hfmpi2c->Instance->CR1 &= ~FMPI2C_CR1_RXDMAEN; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - /* Check if Errors has been detected during transfer */ - if(hfmpi2c->ErrorCode != HAL_FMPI2C_ERROR_NONE) - { - HAL_FMPI2C_ErrorCallback(hfmpi2c); - } - else - { - HAL_FMPI2C_MemRxCpltCallback(hfmpi2c); - } - } -} - -/** - * @brief DMA FMPI2C communication error callback. - * @param hdma : DMA handle - * @retval None - */ -static void FMPI2C_DMAError(DMA_HandleTypeDef *hdma) -{ - FMPI2C_HandleTypeDef* hfmpi2c = ( FMPI2C_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; - - /* Disable Acknowledge */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_NACK; - - hfmpi2c->XferCount = 0; - - hfmpi2c->State = HAL_FMPI2C_STATE_READY; - - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_DMA; - - HAL_FMPI2C_ErrorCallback(hfmpi2c); -} - -/** - * @brief This function handles FMPI2C Communication Timeout. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param Flag: specifies the FMPI2C flag to check. - * @param Status: The new Flag status (SET or RESET). - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_WaitOnFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Flag, FlagStatus Status, uint32_t Timeout) -{ - uint32_t tickstart = HAL_GetTick(); - - /* Wait until flag is set */ - if(Status == RESET) - { - while(__HAL_FMPI2C_GET_FLAG(hfmpi2c, Flag) == RESET) - { - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - } - } - else - { - while(__HAL_FMPI2C_GET_FLAG(hfmpi2c, Flag) != RESET) - { - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles FMPI2C Communication Timeout for specific usage of TXIS flag. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_WaitOnTXISFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout) -{ - uint32_t tickstart = HAL_GetTick(); - - while(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_TXIS) == RESET) - { - /* Check if a NACK is detected */ - if(FMPI2C_IsAcknowledgeFailed(hfmpi2c, Timeout) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_TIMEOUT; - } - } - } - return HAL_OK; -} - -/** - * @brief This function handles FMPI2C Communication Timeout for specific usage of STOP flag. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_WaitOnSTOPFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout) -{ - uint32_t tickstart = 0x00; - tickstart = HAL_GetTick(); - - while(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == RESET) - { - /* Check if a NACK is detected */ - if(FMPI2C_IsAcknowledgeFailed(hfmpi2c, Timeout) != HAL_OK) - { - return HAL_ERROR; - } - - /* Check for the Timeout */ - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_TIMEOUT; - } - } - return HAL_OK; -} - -/** - * @brief This function handles FMPI2C Communication Timeout for specific usage of RXNE flag. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_WaitOnRXNEFlagUntilTimeout(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout) -{ - uint32_t tickstart = 0x00; - tickstart = HAL_GetTick(); - - while(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_RXNE) == RESET) - { - /* Check if a STOPF is detected */ - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == SET) - { - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_NONE; - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_ERROR; - } - - /* Check for the Timeout */ - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hfmpi2c->ErrorCode |= HAL_FMPI2C_ERROR_TIMEOUT; - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_TIMEOUT; - } - } - return HAL_OK; -} - -/** - * @brief This function handles Acknowledge failed detection during an FMPI2C Communication. - * @param hfmpi2c : Pointer to a FMPI2C_HandleTypeDef structure that contains - * the configuration information for the specified FMPI2C. - * @param Timeout: Timeout duration - * @retval HAL status - */ -static HAL_StatusTypeDef FMPI2C_IsAcknowledgeFailed(FMPI2C_HandleTypeDef *hfmpi2c, uint32_t Timeout) -{ - uint32_t tickstart = 0x00; - tickstart = HAL_GetTick(); - - if(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_AF) == SET) - { - /* Generate stop if necessary only in case of FMPI2C peripheral in MASTER mode */ - if((hfmpi2c->State == HAL_FMPI2C_STATE_MASTER_BUSY_TX) || (hfmpi2c->State == HAL_FMPI2C_STATE_MEM_BUSY_TX) - || (hfmpi2c->State == HAL_FMPI2C_STATE_MEM_BUSY_RX)) - { - /* No need to generate the STOP condition if AUTOEND mode is enabled */ - /* Generate the STOP condition only in case of SOFTEND mode is enabled */ - if((hfmpi2c->Instance->CR2 & FMPI2C_AUTOEND_MODE) != FMPI2C_AUTOEND_MODE) - { - /* Generate Stop */ - hfmpi2c->Instance->CR2 |= FMPI2C_CR2_STOP; - } - } - - /* Wait until STOP Flag is reset */ - /* AutoEnd should be initiate after AF */ - while(__HAL_FMPI2C_GET_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF) == RESET) - { - /* Check for the Timeout */ - if(Timeout != HAL_MAX_DELAY) - { - if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) - { - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - return HAL_TIMEOUT; - } - } - } - - /* Clear NACKF Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_AF); - - /* Clear STOP Flag */ - __HAL_FMPI2C_CLEAR_FLAG(hfmpi2c, FMPI2C_FLAG_STOPF); - - /* Clear Configuration Register 2 */ - __HAL_FMPI2C_RESET_CR2(hfmpi2c); - - hfmpi2c->ErrorCode = HAL_FMPI2C_ERROR_AF; - hfmpi2c->State= HAL_FMPI2C_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(hfmpi2c); - - return HAL_ERROR; - } - return HAL_OK; -} - -/** - * @brief Handles FMPI2Cx communication when starting transfer or during transfer (TC or TCR flag are set). - * @param hfmpi2c: FMPI2C handle. - * @param DevAddress: specifies the slave address to be programmed. - * @param Size: specifies the number of bytes to be programmed. - * This parameter must be a value between 0 and 255. - * @param Mode: new state of the FMPI2C START condition generation. - * This parameter can be one of the following values: - * @arg FMPI2C_RELOAD_MODE: Enable Reload mode . - * @arg FMPI2C_AUTOEND_MODE: Enable Automatic end mode. - * @arg FMPI2C_SOFTEND_MODE: Enable Software end mode. - * @param Request: new state of the FMPI2C START condition generation. - * This parameter can be one of the following values: - * @arg FMPI2C_NO_STARTSTOP: Don't Generate stop and start condition. - * @arg FMPI2C_GENERATE_STOP: Generate stop condition (Size should be set to 0). - * @arg FMPI2C_GENERATE_START_READ: Generate Restart for read request. - * @arg FMPI2C_GENERATE_START_WRITE: Generate Restart for write request. - * @retval None - */ -static void FMPI2C_TransferConfig(FMPI2C_HandleTypeDef *hfmpi2c, uint16_t DevAddress, uint8_t Size, uint32_t Mode, uint32_t Request) -{ - uint32_t tmpreg = 0; - - /* Check the parameters */ - assert_param(IS_FMPI2C_ALL_INSTANCE(hfmpi2c->Instance)); - assert_param(IS_TRANSFER_MODE(Mode)); - assert_param(IS_TRANSFER_REQUEST(Request)); - - /* Get the CR2 register value */ - tmpreg = hfmpi2c->Instance->CR2; - - /* clear tmpreg specific bits */ - tmpreg &= (uint32_t)~((uint32_t)(FMPI2C_CR2_SADD | FMPI2C_CR2_NBYTES | FMPI2C_CR2_RELOAD | FMPI2C_CR2_AUTOEND | FMPI2C_CR2_RD_WRN | FMPI2C_CR2_START | FMPI2C_CR2_STOP)); - - /* update tmpreg */ - tmpreg |= (uint32_t)(((uint32_t)DevAddress & FMPI2C_CR2_SADD) | (((uint32_t)Size << 16 ) & FMPI2C_CR2_NBYTES) | \ - (uint32_t)Mode | (uint32_t)Request); - - /* update CR2 register */ - hfmpi2c->Instance->CR2 = tmpreg; -} - -/** - * @} - */ - -/** - * @} - */ -#endif /* STM32F410xx || STM32F446xx */ -#endif /* HAL_FMPI2C_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |