diff options
| author | Paul Selkirk <paul@psgd.org> | 2015-10-26 15:18:58 -0400 |
|---|---|---|
| committer | Paul Selkirk <paul@psgd.org> | 2015-10-26 15:18:58 -0400 |
| commit | 26f12903dab2fafeaaefb02349763618ce96d070 (patch) | |
| tree | b37cceea7014770ea2ae039928e57b6f02c0aaa2 /Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c | |
Based on user/ft/stm32-dev-bridge, without the project-specific build
directories (and duplicated code).
Diffstat (limited to 'Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c')
| -rw-r--r-- | Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c | 4098 |
1 files changed, 4098 insertions, 0 deletions
diff --git a/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c new file mode 100644 index 0000000..41dc90a --- /dev/null +++ b/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_fmpi2c.c @@ -0,0 +1,4098 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_fmpi2c.c + * @author MCD Application Team + * @version V1.3.2 + * @date 26-June-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(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/de-initialization functions + * @brief Initialization and Configuration functions + * +@verbatim + =============================================================================== + ##### Initialization/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 /* STM32F446xx */ +#endif /* HAL_FMPI2C_MODULE_ENABLED */ +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |