From 664c869f7749da96bbea7307beb043dfe52593c5 Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Sun, 28 Jul 2019 23:23:18 -0400 Subject: lib: Remove unused stm32f1 "hal" code Now that the stm32f1 code has been merged into the stm32 code, there is no longer a need to use the upstream stm32f1 "hal" code. Signed-off-by: Kevin O'Connor --- lib/stm32f1/hal/source/stm32f1xx_hal_usart.c | 2799 -------------------------- 1 file changed, 2799 deletions(-) delete mode 100644 lib/stm32f1/hal/source/stm32f1xx_hal_usart.c (limited to 'lib/stm32f1/hal/source/stm32f1xx_hal_usart.c') diff --git a/lib/stm32f1/hal/source/stm32f1xx_hal_usart.c b/lib/stm32f1/hal/source/stm32f1xx_hal_usart.c deleted file mode 100644 index 1a3ce84f..00000000 --- a/lib/stm32f1/hal/source/stm32f1xx_hal_usart.c +++ /dev/null @@ -1,2799 +0,0 @@ -/** - ****************************************************************************** - * @file stm32f1xx_hal_usart.c - * @author MCD Application Team - * @brief USART HAL module driver. - * This file provides firmware functions to manage the following - * functionalities of the Universal Synchronous/Asynchronous Receiver Transmitter - * Peripheral (USART). - * + Initialization and de-initialization functions - * + IO operation functions - * + Peripheral Control functions - @verbatim - ============================================================================== - ##### How to use this driver ##### - ============================================================================== - [..] - The USART HAL driver can be used as follows: - - (#) Declare a USART_HandleTypeDef handle structure (eg. USART_HandleTypeDef husart). - (#) Initialize the USART low level resources by implementing the HAL_USART_MspInit() API: - (##) Enable the USARTx interface clock. - (##) USART pins configuration: - (+++) Enable the clock for the USART GPIOs. - (+++) Configure the USART pins as alternate function pull-up. - (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), - HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): - (+++) Configure the USARTx interrupt priority. - (+++) Enable the NVIC USART IRQ handle. - (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() - HAL_USART_Receive_DMA() and HAL_USART_TransmitReceive_DMA() APIs): - (+++) Declare a DMA handle structure for the Tx/Rx channel. - (+++) Enable the DMAx interface clock. - (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. - (+++) Configure the DMA Tx/Rx channel. - (+++) Associate the initialized DMA handle to the USART DMA Tx/Rx handle. - (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. - (+++) Configure the USARTx interrupt priority and enable the NVIC USART IRQ handle - (used for last byte sending completion detection in DMA non circular mode) - - (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware - flow control and Mode(Receiver/Transmitter) in the husart Init structure. - - (#) Initialize the USART registers by calling the HAL_USART_Init() API: - (++) These APIs configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) - by calling the customized HAL_USART_MspInit(&husart) API. - - -@@- The specific USART interrupts (Transmission complete interrupt, - RXNE interrupt and Error Interrupts) will be managed using the macros - __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. - - (#) Three operation modes are available within this driver : - - *** Polling mode IO operation *** - ================================= - [..] - (+) Send an amount of data in blocking mode using HAL_USART_Transmit() - (+) Receive an amount of data in blocking mode using HAL_USART_Receive() - - *** Interrupt mode IO operation *** - =================================== - [..] - (+) Send an amount of data in non blocking mode using HAL_USART_Transmit_IT() - (+) At transmission end of transfer HAL_USART_TxHalfCpltCallback is executed and user can - add his own code by customization of function pointer HAL_USART_TxCpltCallback - (+) Receive an amount of data in non blocking mode using HAL_USART_Receive_IT() - (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_USART_RxCpltCallback - (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_USART_ErrorCallback - - *** DMA mode IO operation *** - ============================== - [..] - (+) Send an amount of data in non blocking mode (DMA) using HAL_USART_Transmit_DMA() - (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can - add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback - (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_USART_TxCpltCallback - (+) Receive an amount of data in non blocking mode (DMA) using HAL_USART_Receive_DMA() - (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can - add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback - (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can - add his own code by customization of function pointer HAL_USART_RxCpltCallback - (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can - add his own code by customization of function pointer HAL_USART_ErrorCallback - (+) Pause the DMA Transfer using HAL_USART_DMAPause() - (+) Resume the DMA Transfer using HAL_USART_DMAResume() - (+) Stop the DMA Transfer using HAL_USART_DMAStop() - - *** USART HAL driver macros list *** - ============================================= - [..] - Below the list of most used macros in USART HAL driver. - - (+) __HAL_USART_ENABLE: Enable the USART peripheral - (+) __HAL_USART_DISABLE: Disable the USART peripheral - (+) __HAL_USART_GET_FLAG : Check whether the specified USART flag is set or not - (+) __HAL_USART_CLEAR_FLAG : Clear the specified USART pending flag - (+) __HAL_USART_ENABLE_IT: Enable the specified USART interrupt - (+) __HAL_USART_DISABLE_IT: Disable the specified USART interrupt - - [..] - (@) You can refer to the USART HAL driver header file for more useful macros - - ##### Callback registration ##### - ================================== - - [..] - The compilation define USE_HAL_USART_REGISTER_CALLBACKS when set to 1 - allows the user to configure dynamically the driver callbacks. - - [..] - Use Function @ref HAL_USART_RegisterCallback() to register a user callback. - Function @ref HAL_USART_RegisterCallback() allows to register following callbacks: - (+) TxHalfCpltCallback : Tx Half Complete Callback. - (+) TxCpltCallback : Tx Complete Callback. - (+) RxHalfCpltCallback : Rx Half Complete Callback. - (+) RxCpltCallback : Rx Complete Callback. - (+) TxRxCpltCallback : Tx Rx Complete Callback. - (+) ErrorCallback : Error Callback. - (+) AbortCpltCallback : Abort Complete Callback. - (+) MspInitCallback : USART MspInit. - (+) MspDeInitCallback : USART MspDeInit. - This function takes as parameters the HAL peripheral handle, the Callback ID - and a pointer to the user callback function. - - [..] - Use function @ref HAL_USART_UnRegisterCallback() to reset a callback to the default - weak (surcharged) function. - @ref HAL_USART_UnRegisterCallback() takes as parameters the HAL peripheral handle, - and the Callback ID. - This function allows to reset following callbacks: - (+) TxHalfCpltCallback : Tx Half Complete Callback. - (+) TxCpltCallback : Tx Complete Callback. - (+) RxHalfCpltCallback : Rx Half Complete Callback. - (+) RxCpltCallback : Rx Complete Callback. - (+) TxRxCpltCallback : Tx Rx Complete Callback. - (+) ErrorCallback : Error Callback. - (+) AbortCpltCallback : Abort Complete Callback. - (+) MspInitCallback : USART MspInit. - (+) MspDeInitCallback : USART MspDeInit. - - [..] - By default, after the @ref HAL_USART_Init() and when the state is HAL_USART_STATE_RESET - all callbacks are set to the corresponding weak (surcharged) functions: - examples @ref HAL_USART_TxCpltCallback(), @ref HAL_USART_RxHalfCpltCallback(). - Exception done for MspInit and MspDeInit functions that are respectively - reset to the legacy weak (surcharged) functions in the @ref HAL_USART_Init() - and @ref HAL_USART_DeInit() only when these callbacks are null (not registered beforehand). - If not, MspInit or MspDeInit are not null, the @ref HAL_USART_Init() and @ref HAL_USART_DeInit() - keep and use the user MspInit/MspDeInit callbacks (registered beforehand). - - [..] - Callbacks can be registered/unregistered in HAL_USART_STATE_READY state only. - Exception done MspInit/MspDeInit that can be registered/unregistered - in HAL_USART_STATE_READY or HAL_USART_STATE_RESET state, thus registered (user) - MspInit/DeInit callbacks can be used during the Init/DeInit. - In that case first register the MspInit/MspDeInit user callbacks - using @ref HAL_USART_RegisterCallback() before calling @ref HAL_USART_DeInit() - or @ref HAL_USART_Init() function. - - [..] - When The compilation define USE_HAL_USART_REGISTER_CALLBACKS is set to 0 or - not defined, the callback registration feature is not available - and weak (surcharged) callbacks are used. - - @endverbatim - [..] - (@) Additionnal remark: If the parity is enabled, then the MSB bit of the data written - in the data register is transmitted but is changed by the parity bit. - Depending on the frame length defined by the M bit (8-bits or 9-bits), - the possible USART frame formats are as listed in the following table: - +-------------------------------------------------------------+ - | M bit | PCE bit | USART frame | - |---------------------|---------------------------------------| - | 0 | 0 | | SB | 8 bit data | STB | | - |---------|-----------|---------------------------------------| - | 0 | 1 | | SB | 7 bit data | PB | STB | | - |---------|-----------|---------------------------------------| - | 1 | 0 | | SB | 9 bit data | STB | | - |---------|-----------|---------------------------------------| - | 1 | 1 | | SB | 8 bit data | PB | STB | | - +-------------------------------------------------------------+ - ****************************************************************************** - * @attention - * - *

© Copyright (c) 2016 STMicroelectronics. - * All rights reserved.

- * - * This software component is licensed by ST under BSD 3-Clause license, - * the "License"; You may not use this file except in compliance with the - * License. You may obtain a copy of the License at: - * opensource.org/licenses/BSD-3-Clause - * - ****************************************************************************** - */ - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f1xx_hal.h" - -/** @addtogroup STM32F1xx_HAL_Driver - * @{ - */ - -/** @defgroup USART USART - * @brief HAL USART Synchronous module driver - * @{ - */ -#ifdef HAL_USART_MODULE_ENABLED -/* Private typedef -----------------------------------------------------------*/ -/* Private define ------------------------------------------------------------*/ -/** @addtogroup USART_Private_Constants - * @{ - */ -#define DUMMY_DATA 0xFFFFU -#define USART_TIMEOUT_VALUE 22000U -/** - * @} - */ -/* Private macro -------------------------------------------------------------*/ -/* Private variables ---------------------------------------------------------*/ -/* Private function prototypes -----------------------------------------------*/ -/* Private functions ---------------------------------------------------------*/ -/** @addtogroup USART_Private_Functions - * @{ - */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) -void USART_InitCallbacksToDefault(USART_HandleTypeDef *husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -static void USART_EndTxTransfer(USART_HandleTypeDef *husart); -static void USART_EndRxTransfer(USART_HandleTypeDef *husart); -static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); -static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); -static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); -static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); -static void USART_SetConfig(USART_HandleTypeDef *husart); -static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); -static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); -static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); -static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); -static void USART_DMAError(DMA_HandleTypeDef *hdma); -static void USART_DMAAbortOnError(DMA_HandleTypeDef *hdma); -static void USART_DMATxAbortCallback(DMA_HandleTypeDef *hdma); -static void USART_DMARxAbortCallback(DMA_HandleTypeDef *hdma); - -static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout); -/** - * @} - */ - -/* Exported functions --------------------------------------------------------*/ -/** @defgroup USART_Exported_Functions USART Exported Functions - * @{ - */ - -/** @defgroup USART_Exported_Functions_Group1 USART Initialization and de-initialization functions - * @brief Initialization and Configuration functions - * -@verbatim - ============================================================================== - ##### Initialization and Configuration functions ##### - ============================================================================== - [..] - This subsection provides a set of functions allowing to initialize the USART - in asynchronous and in synchronous modes. - (+) For the asynchronous mode only these parameters can be configured: - (++) Baud Rate - (++) Word Length - (++) Stop Bit - (++) Parity: If the parity is enabled, then the MSB bit of the data written - in the data register is transmitted but is changed by the parity bit. - Depending on the frame length defined by the M bit (8-bits or 9-bits), - please refer to Reference manual for possible USART frame formats. - (++) USART polarity - (++) USART phase - (++) USART LastBit - (++) Receiver/transmitter modes - - [..] - The HAL_USART_Init() function follows the USART synchronous configuration - procedures (details for the procedures are available in reference manuals - (RM0008 for STM32F10Xxx MCUs and RM0041 for STM32F100xx MCUs)). - -@endverbatim - * @{ - */ - -/** - * @brief Initialize the USART mode according to the specified - * parameters in the USART_InitTypeDef and initialize the associated handle. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) -{ - /* Check the USART handle allocation */ - if (husart == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_USART_INSTANCE(husart->Instance)); - - if (husart->State == HAL_USART_STATE_RESET) - { - /* Allocate lock resource and initialize it */ - husart->Lock = HAL_UNLOCKED; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - USART_InitCallbacksToDefault(husart); - - if (husart->MspInitCallback == NULL) - { - husart->MspInitCallback = HAL_USART_MspInit; - } - - /* Init the low level hardware */ - husart->MspInitCallback(husart); -#else - /* Init the low level hardware : GPIO, CLOCK */ - HAL_USART_MspInit(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - - husart->State = HAL_USART_STATE_BUSY; - - /* Set the USART Communication parameters */ - USART_SetConfig(husart); - - /* In USART mode, the following bits must be kept cleared: - - LINEN bit in the USART_CR2 register - - HDSEL, SCEN and IREN bits in the USART_CR3 register */ - CLEAR_BIT(husart->Instance->CR2, USART_CR2_LINEN); - CLEAR_BIT(husart->Instance->CR3, (USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN)); - - /* Enable the Peripheral */ - __HAL_USART_ENABLE(husart); - - /* Initialize the USART state */ - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_READY; - - return HAL_OK; -} - -/** - * @brief DeInitializes the USART peripheral. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) -{ - /* Check the USART handle allocation */ - if (husart == NULL) - { - return HAL_ERROR; - } - - /* Check the parameters */ - assert_param(IS_USART_INSTANCE(husart->Instance)); - - husart->State = HAL_USART_STATE_BUSY; - - /* Disable the Peripheral */ - __HAL_USART_DISABLE(husart); - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - if (husart->MspDeInitCallback == NULL) - { - husart->MspDeInitCallback = HAL_USART_MspDeInit; - } - /* DeInit the low level hardware */ - husart->MspDeInitCallback(husart); -#else - /* DeInit the low level hardware */ - HAL_USART_MspDeInit(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_RESET; - - /* Release Lock */ - __HAL_UNLOCK(husart); - - return HAL_OK; -} - -/** - * @brief USART MSP Init. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_MspInit could be implemented in the user file - */ -} - -/** - * @brief USART MSP DeInit. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_MspDeInit could be implemented in the user file - */ -} - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) -/** - * @brief Register a User USART Callback - * To be used instead of the weak predefined callback - * @param husart usart handle - * @param CallbackID ID of the callback to be registered - * This parameter can be one of the following values: - * @arg @ref HAL_USART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID - * @arg @ref HAL_USART_TX_COMPLETE_CB_ID Tx Complete Callback ID - * @arg @ref HAL_USART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID - * @arg @ref HAL_USART_RX_COMPLETE_CB_ID Rx Complete Callback ID - * @arg @ref HAL_USART_TX_RX_COMPLETE_CB_ID Rx Complete Callback ID - * @arg @ref HAL_USART_ERROR_CB_ID Error Callback ID - * @arg @ref HAL_USART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID - * @arg @ref HAL_USART_MSPINIT_CB_ID MspInit Callback ID - * @arg @ref HAL_USART_MSPDEINIT_CB_ID MspDeInit Callback ID - * @param pCallback pointer to the Callback function - * @retval HAL status -+ */ -HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID, pUSART_CallbackTypeDef pCallback) -{ - HAL_StatusTypeDef status = HAL_OK; - - if (pCallback == NULL) - { - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - return HAL_ERROR; - } - /* Process locked */ - __HAL_LOCK(husart); - - if (husart->State == HAL_USART_STATE_READY) - { - switch (CallbackID) - { - case HAL_USART_TX_HALFCOMPLETE_CB_ID : - husart->TxHalfCpltCallback = pCallback; - break; - - case HAL_USART_TX_COMPLETE_CB_ID : - husart->TxCpltCallback = pCallback; - break; - - case HAL_USART_RX_HALFCOMPLETE_CB_ID : - husart->RxHalfCpltCallback = pCallback; - break; - - case HAL_USART_RX_COMPLETE_CB_ID : - husart->RxCpltCallback = pCallback; - break; - - case HAL_USART_TX_RX_COMPLETE_CB_ID : - husart->TxRxCpltCallback = pCallback; - break; - - case HAL_USART_ERROR_CB_ID : - husart->ErrorCallback = pCallback; - break; - - case HAL_USART_ABORT_COMPLETE_CB_ID : - husart->AbortCpltCallback = pCallback; - break; - - case HAL_USART_MSPINIT_CB_ID : - husart->MspInitCallback = pCallback; - break; - - case HAL_USART_MSPDEINIT_CB_ID : - husart->MspDeInitCallback = pCallback; - break; - - default : - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else if (husart->State == HAL_USART_STATE_RESET) - { - switch (CallbackID) - { - case HAL_USART_MSPINIT_CB_ID : - husart->MspInitCallback = pCallback; - break; - - case HAL_USART_MSPDEINIT_CB_ID : - husart->MspDeInitCallback = pCallback; - break; - - default : - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else - { - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(husart); - - return status; -} - -/** - * @brief Unregister an UART Callback - * UART callaback is redirected to the weak predefined callback - * @param husart uart handle - * @param CallbackID ID of the callback to be unregistered - * This parameter can be one of the following values: - * @arg @ref HAL_USART_TX_HALFCOMPLETE_CB_ID Tx Half Complete Callback ID - * @arg @ref HAL_USART_TX_COMPLETE_CB_ID Tx Complete Callback ID - * @arg @ref HAL_USART_RX_HALFCOMPLETE_CB_ID Rx Half Complete Callback ID - * @arg @ref HAL_USART_RX_COMPLETE_CB_ID Rx Complete Callback ID - * @arg @ref HAL_USART_TX_RX_COMPLETE_CB_ID Rx Complete Callback ID - * @arg @ref HAL_USART_ERROR_CB_ID Error Callback ID - * @arg @ref HAL_USART_ABORT_COMPLETE_CB_ID Abort Complete Callback ID - * @arg @ref HAL_USART_MSPINIT_CB_ID MspInit Callback ID - * @arg @ref HAL_USART_MSPDEINIT_CB_ID MspDeInit Callback ID - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID) -{ - HAL_StatusTypeDef status = HAL_OK; - - /* Process locked */ - __HAL_LOCK(husart); - - if (husart->State == HAL_USART_STATE_READY) - { - switch (CallbackID) - { - case HAL_USART_TX_HALFCOMPLETE_CB_ID : - husart->TxHalfCpltCallback = HAL_USART_TxHalfCpltCallback; /* Legacy weak TxHalfCpltCallback */ - break; - - case HAL_USART_TX_COMPLETE_CB_ID : - husart->TxCpltCallback = HAL_USART_TxCpltCallback; /* Legacy weak TxCpltCallback */ - break; - - case HAL_USART_RX_HALFCOMPLETE_CB_ID : - husart->RxHalfCpltCallback = HAL_USART_RxHalfCpltCallback; /* Legacy weak RxHalfCpltCallback */ - break; - - case HAL_USART_RX_COMPLETE_CB_ID : - husart->RxCpltCallback = HAL_USART_RxCpltCallback; /* Legacy weak RxCpltCallback */ - break; - - case HAL_USART_TX_RX_COMPLETE_CB_ID : - husart->TxRxCpltCallback = HAL_USART_TxRxCpltCallback; /* Legacy weak TxRxCpltCallback */ - break; - - case HAL_USART_ERROR_CB_ID : - husart->ErrorCallback = HAL_USART_ErrorCallback; /* Legacy weak ErrorCallback */ - break; - - case HAL_USART_ABORT_COMPLETE_CB_ID : - husart->AbortCpltCallback = HAL_USART_AbortCpltCallback; /* Legacy weak AbortCpltCallback */ - break; - - case HAL_USART_MSPINIT_CB_ID : - husart->MspInitCallback = HAL_USART_MspInit; /* Legacy weak MspInitCallback */ - break; - - case HAL_USART_MSPDEINIT_CB_ID : - husart->MspDeInitCallback = HAL_USART_MspDeInit; /* Legacy weak MspDeInitCallback */ - break; - - default : - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else if (husart->State == HAL_USART_STATE_RESET) - { - switch (CallbackID) - { - case HAL_USART_MSPINIT_CB_ID : - husart->MspInitCallback = HAL_USART_MspInit; - break; - - case HAL_USART_MSPDEINIT_CB_ID : - husart->MspDeInitCallback = HAL_USART_MspDeInit; - break; - - default : - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - break; - } - } - else - { - /* Update the error code */ - husart->ErrorCode |= HAL_USART_ERROR_INVALID_CALLBACK; - - /* Return error status */ - status = HAL_ERROR; - } - - /* Release Lock */ - __HAL_UNLOCK(husart); - - return status; -} -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - -/** - * @} - */ - -/** @defgroup USART_Exported_Functions_Group2 IO operation functions - * @brief USART Transmit and Receive functions - * -@verbatim - ============================================================================== - ##### IO operation functions ##### - ============================================================================== - [..] - This subsection provides a set of functions allowing to manage the USART synchronous - data transfers. - - [..] - The USART supports master mode only: it cannot receive or send data related to an input - clock (SCLK is always an output). - - (#) There are two modes of transfer: - (++) Blocking mode: The communication is performed in polling mode. - The HAL 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 API's return the HAL status. - The end of the data processing will be indicated through the - dedicated USART IRQ when using Interrupt mode or the DMA IRQ when - using DMA mode. - The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() - user callbacks - will be executed respectively at the end of the transmit or Receive process - The HAL_USART_ErrorCallback() user callback will be executed when a communication - error is detected - - (#) Blocking mode APIs are : - (++) HAL_USART_Transmit() in simplex mode - (++) HAL_USART_Receive() in full duplex receive only - (++) HAL_USART_TransmitReceive() in full duplex mode - - (#) Non Blocking mode APIs with Interrupt are : - (++) HAL_USART_Transmit_IT()in simplex mode - (++) HAL_USART_Receive_IT() in full duplex receive only - (++) HAL_USART_TransmitReceive_IT() in full duplex mode - (++) HAL_USART_IRQHandler() - - (#) Non Blocking mode functions with DMA are : - (++) HAL_USART_Transmit_DMA()in simplex mode - (++) HAL_USART_Receive_DMA() in full duplex receive only - (++) HAL_USART_TransmitReceive_DMA() in full duplex mode - (++) HAL_USART_DMAPause() - (++) HAL_USART_DMAResume() - (++) HAL_USART_DMAStop() - - (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: - (++) HAL_USART_TxHalfCpltCallback() - (++) HAL_USART_TxCpltCallback() - (++) HAL_USART_RxHalfCpltCallback() - (++) HAL_USART_RxCpltCallback() - (++) HAL_USART_ErrorCallback() - (++) HAL_USART_TxRxCpltCallback() - - (#) Non-Blocking mode transfers could be aborted using Abort API's : - (++) HAL_USART_Abort() - (++) HAL_USART_Abort_IT() - - (#) For Abort services based on interrupts (HAL_USART_Abort_IT), a Abort Complete Callbacks is provided: - (++) HAL_USART_AbortCpltCallback() - - (#) In Non-Blocking mode transfers, possible errors are split into 2 categories. - Errors are handled as follows : - (++) Error is considered as Recoverable and non blocking : Transfer could go till end, but error severity is - to be evaluated by user : this concerns Frame Error, Parity Error or Noise Error in Interrupt mode reception . - Received character is then retrieved and stored in Rx buffer, Error code is set to allow user to identify error type, - and HAL_USART_ErrorCallback() user callback is executed. Transfer is kept ongoing on USART side. - If user wants to abort it, Abort services should be called by user. - (++) Error is considered as Blocking : Transfer could not be completed properly and is aborted. - This concerns Overrun Error In Interrupt mode reception and all errors in DMA mode. - Error code is set to allow user to identify error type, and HAL_USART_ErrorCallback() user callback is executed. - -@endverbatim - * @{ - */ - -/** - * @brief Simplex Send an amount of data in blocking mode. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the sent data is handled as a set of u16. In this case, Size must indicate the number - * of u16 provided through pTxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pTxData Pointer to data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be sent. - * @param Timeout Timeout duration. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) -{ - uint16_t *tmp; - uint32_t tickstart = 0U; - - if (husart->State == HAL_USART_STATE_READY) - { - if ((pTxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(husart); - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_TX; - - /* Init tickstart for timeout management */ - tickstart = HAL_GetTick(); - - husart->TxXferSize = Size; - husart->TxXferCount = Size; - while (husart->TxXferCount > 0U) - { - husart->TxXferCount--; - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - /* Wait for TC flag in order to write data in DR */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - tmp = (uint16_t *) pTxData; - husart->Instance->DR = (*tmp & (uint16_t)0x01FF); - if (husart->Init.Parity == USART_PARITY_NONE) - { - pTxData += 2U; - } - else - { - pTxData += 1U; - } - } - else - { - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - husart->Instance->DR = (*pTxData++ & (uint8_t)0xFF); - } - } - - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - husart->State = HAL_USART_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Full-Duplex Receive an amount of data in blocking mode. - * @note To receive synchronous data, dummy data are simultaneously transmitted. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the received data is handled as a set of u16. In this case, Size must indicate the number - * of u16 available through pRxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pRxData Pointer to data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be received. - * @param Timeout Timeout duration. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) -{ - uint16_t *tmp; - uint32_t tickstart = 0U; - - if (husart->State == HAL_USART_STATE_READY) - { - if ((pRxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(husart); - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_RX; - - /* Init tickstart for timeout management */ - tickstart = HAL_GetTick(); - - husart->RxXferSize = Size; - husart->RxXferCount = Size; - /* Check the remain data to be received */ - while (husart->RxXferCount > 0U) - { - husart->RxXferCount--; - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - /* Send dummy byte in order to generate clock */ - husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x01FF); - - /* Wait for RXNE Flag */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - tmp = (uint16_t *) pRxData ; - if (husart->Init.Parity == USART_PARITY_NONE) - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); - pRxData += 2U; - } - else - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); - pRxData += 1U; - } - } - else - { - /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - - /* Send Dummy Byte in order to generate clock */ - husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x00FF); - - /* Wait until RXNE flag is set to receive the byte */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - if (husart->Init.Parity == USART_PARITY_NONE) - { - /* Receive data */ - *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); - } - else - { - /* Receive data */ - *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); - } - - } - } - - husart->State = HAL_USART_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Full-Duplex Send and Receive an amount of data in full-duplex mode (blocking mode). - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the sent data and the received data are handled as sets of u16. In this case, Size must indicate the number - * of u16 available through pTxData and through pRxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pTxData Pointer to TX data buffer (u8 or u16 data elements). - * @param pRxData Pointer to RX data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be sent (same amount to be received). - * @param Timeout Timeout duration - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) -{ - uint16_t *tmp; - uint32_t tickstart = 0U; - - if (husart->State == HAL_USART_STATE_READY) - { - if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(husart); - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_RX; - - /* Init tickstart for timeout management */ - tickstart = HAL_GetTick(); - - husart->RxXferSize = Size; - husart->TxXferSize = Size; - husart->TxXferCount = Size; - husart->RxXferCount = Size; - - /* Check the remain data to be received */ - while (husart->TxXferCount > 0U) - { - husart->TxXferCount--; - husart->RxXferCount--; - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - /* Wait for TC flag in order to write data in DR */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - tmp = (uint16_t *) pTxData; - husart->Instance->DR = (*tmp & (uint16_t)0x01FF); - if (husart->Init.Parity == USART_PARITY_NONE) - { - pTxData += 2U; - } - else - { - pTxData += 1U; - } - - /* Wait for RXNE Flag */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - tmp = (uint16_t *) pRxData ; - if (husart->Init.Parity == USART_PARITY_NONE) - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); - pRxData += 2U; - } - else - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); - pRxData += 1U; - } - } - else - { - /* Wait for TC flag in order to write data in DR */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - husart->Instance->DR = (*pTxData++ & (uint8_t)0x00FF); - - /* Wait for RXNE Flag */ - if (USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, tickstart, Timeout) != HAL_OK) - { - return HAL_TIMEOUT; - } - if (husart->Init.Parity == USART_PARITY_NONE) - { - /* Receive data */ - *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); - } - else - { - /* Receive data */ - *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); - } - } - } - - husart->State = HAL_USART_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Simplex Send an amount of data in non-blocking mode. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the sent data is handled as a set of u16. In this case, Size must indicate the number - * of u16 provided through pTxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pTxData Pointer to data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be sent. - * @retval HAL status - * @note The USART errors are not managed to avoid the overrun error. - */ -HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) -{ - if (husart->State == HAL_USART_STATE_READY) - { - if ((pTxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(husart); - - husart->pTxBuffPtr = pTxData; - husart->TxXferSize = Size; - husart->TxXferCount = Size; - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_TX; - - /* The USART Error Interrupts: (Frame error, Noise error, Overrun error) - are not managed by the USART transmit process to avoid the overrun interrupt - when the USART mode is configured for transmit and receive "USART_MODE_TX_RX" - to benefit for the frame error and noise interrupts the USART mode should be - configured only for transmit "USART_MODE_TX" - The __HAL_USART_ENABLE_IT(husart, USART_IT_ERR) can be used to enable the Frame error, - Noise error interrupt */ - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - /* Enable the USART Transmit Data Register Empty Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_TXEIE); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Simplex Receive an amount of data in non-blocking mode. - * @note To receive synchronous data, dummy data are simultaneously transmitted. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the received data is handled as a set of u16. In this case, Size must indicate the number - * of u16 available through pRxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pRxData Pointer to data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be received. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) -{ - if (husart->State == HAL_USART_STATE_READY) - { - if ((pRxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(husart); - - husart->pRxBuffPtr = pRxData; - husart->RxXferSize = Size; - husart->RxXferCount = Size; - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_RX; - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - /* Enable the USART Parity Error and Data Register not empty Interrupts */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE | USART_CR1_RXNEIE); - - /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - SET_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* Send dummy byte in order to generate the clock for the slave to send data */ - husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x01FF); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Full-Duplex Send and Receive an amount of data in full-duplex mode (non-blocking). - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the sent data and the received data are handled as sets of u16. In this case, Size must indicate the number - * of u16 available through pTxData and through pRxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pTxData Pointer to TX data buffer (u8 or u16 data elements). - * @param pRxData Pointer to RX data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be sent (same amount to be received). - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) -{ - if (husart->State == HAL_USART_STATE_READY) - { - if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(husart); - - husart->pRxBuffPtr = pRxData; - husart->RxXferSize = Size; - husart->RxXferCount = Size; - husart->pTxBuffPtr = pTxData; - husart->TxXferSize = Size; - husart->TxXferCount = Size; - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_TX_RX; - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - /* Enable the USART Data Register not empty Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_RXNEIE); - - /* Enable the USART Parity Error Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); - - /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - SET_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* Enable the USART Transmit Data Register Empty Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_TXEIE); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Simplex Send an amount of data in DMA mode. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the sent data is handled as a set of u16. In this case, Size must indicate the number - * of u16 provided through pTxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pTxData Pointer to data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be sent. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) -{ - uint32_t *tmp; - - if (husart->State == HAL_USART_STATE_READY) - { - if ((pTxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(husart); - - husart->pTxBuffPtr = pTxData; - husart->TxXferSize = Size; - husart->TxXferCount = Size; - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_TX; - - /* Set the USART DMA transfer complete callback */ - husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; - - /* Set the USART DMA Half transfer complete callback */ - husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; - - /* Set the DMA error callback */ - husart->hdmatx->XferErrorCallback = USART_DMAError; - - /* Set the DMA abort callback */ - husart->hdmatx->XferAbortCallback = NULL; - - /* Enable the USART transmit DMA channel */ - tmp = (uint32_t *)&pTxData; - HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t *)tmp, (uint32_t)&husart->Instance->DR, Size); - - /* Clear the TC flag in the SR register by writing 0 to it */ - __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC); - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - /* Enable the DMA transfer for transmit request by setting the DMAT bit - in the USART CR3 register */ - SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Full-Duplex Receive an amount of data in DMA mode. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the received data is handled as a set of u16. In this case, Size must indicate the number - * of u16 available through pRxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pRxData Pointer to data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be received. - * @retval HAL status - * @note The USART DMA transmit channel must be configured in order to generate the clock for the slave. - * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. - */ -HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) -{ - uint32_t *tmp; - - if (husart->State == HAL_USART_STATE_READY) - { - if ((pRxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - - /* Process Locked */ - __HAL_LOCK(husart); - - husart->pRxBuffPtr = pRxData; - husart->RxXferSize = Size; - husart->pTxBuffPtr = pRxData; - husart->TxXferSize = Size; - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_RX; - - /* Set the USART DMA Rx transfer complete callback */ - husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; - - /* Set the USART DMA Half transfer complete callback */ - husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; - - /* Set the USART DMA Rx transfer error callback */ - husart->hdmarx->XferErrorCallback = USART_DMAError; - - /* Set the DMA abort callback */ - husart->hdmarx->XferAbortCallback = NULL; - - /* Set the USART Tx DMA transfer complete callback as NULL because the communication closing - is performed in DMA reception complete callback */ - husart->hdmatx->XferHalfCpltCallback = NULL; - husart->hdmatx->XferCpltCallback = NULL; - - /* Set the DMA error callback */ - husart->hdmatx->XferErrorCallback = USART_DMAError; - - /* Set the DMA AbortCpltCallback */ - husart->hdmatx->XferAbortCallback = NULL; - - /* Enable the USART receive DMA channel */ - tmp = (uint32_t *)&pRxData; - HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t *)tmp, Size); - - /* Enable the USART transmit DMA channel: the transmit channel is used in order - to generate in the non-blocking mode the clock to the slave device, - this mode isn't a simplex receive mode but a full-duplex receive one */ - HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t *)tmp, (uint32_t)&husart->Instance->DR, Size); - - /* Clear the Overrun flag just before enabling the DMA Rx request: mandatory for the second transfer */ - __HAL_USART_CLEAR_OREFLAG(husart); - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - /* Enable the USART Parity Error Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); - - /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - SET_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* Enable the DMA transfer for the receiver request by setting the DMAR bit - in the USART CR3 register */ - SET_BIT(husart->Instance->CR3, USART_CR3_DMAR); - - /* Enable the DMA transfer for transmit request by setting the DMAT bit - in the USART CR3 register */ - SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Full-Duplex Transmit Receive an amount of data in DMA mode. - * @note When UART parity is not enabled (PCE = 0), and Word Length is configured to 9 bits (M1-M0 = 01), - * the sent data and the received data are handled as sets of u16. In this case, Size must indicate the number - * of u16 available through pTxData and through pRxData. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param pTxData Pointer to TX data buffer (u8 or u16 data elements). - * @param pRxData Pointer to RX data buffer (u8 or u16 data elements). - * @param Size Amount of data elements (u8 or u16) to be received/sent. - * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) -{ - uint32_t *tmp; - - if (husart->State == HAL_USART_STATE_READY) - { - if ((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) - { - return HAL_ERROR; - } - /* Process Locked */ - __HAL_LOCK(husart); - - husart->pRxBuffPtr = pRxData; - husart->RxXferSize = Size; - husart->pTxBuffPtr = pTxData; - husart->TxXferSize = Size; - - husart->ErrorCode = HAL_USART_ERROR_NONE; - husart->State = HAL_USART_STATE_BUSY_TX_RX; - - /* Set the USART DMA Rx transfer complete callback */ - husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; - - /* Set the USART DMA Half transfer complete callback */ - husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; - - /* Set the USART DMA Tx transfer complete callback */ - husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; - - /* Set the USART DMA Half transfer complete callback */ - husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; - - /* Set the USART DMA Tx transfer error callback */ - husart->hdmatx->XferErrorCallback = USART_DMAError; - - /* Set the USART DMA Rx transfer error callback */ - husart->hdmarx->XferErrorCallback = USART_DMAError; - - /* Set the DMA abort callback */ - husart->hdmarx->XferAbortCallback = NULL; - - /* Enable the USART receive DMA channel */ - tmp = (uint32_t *)&pRxData; - HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t *)tmp, Size); - - /* Enable the USART transmit DMA channel */ - tmp = (uint32_t *)&pTxData; - HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t *)tmp, (uint32_t)&husart->Instance->DR, Size); - - /* Clear the TC flag in the SR register by writing 0 to it */ - __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC); - - /* Clear the Overrun flag: mandatory for the second transfer in circular mode */ - __HAL_USART_CLEAR_OREFLAG(husart); - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - /* Enable the USART Parity Error Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_PEIE); - - /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - SET_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* Enable the DMA transfer for the receiver request by setting the DMAR bit - in the USART CR3 register */ - SET_BIT(husart->Instance->CR3, USART_CR3_DMAR); - - /* Enable the DMA transfer for transmit request by setting the DMAT bit - in the USART CR3 register */ - SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Pauses the DMA Transfer. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) -{ - /* Process Locked */ - __HAL_LOCK(husart); - - /* Disable the USART DMA Tx request */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - return HAL_OK; -} - -/** - * @brief Resumes the DMA Transfer. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) -{ - /* Process Locked */ - __HAL_LOCK(husart); - - /* Enable the USART DMA Tx request */ - SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - return HAL_OK; -} - -/** - * @brief Stops the DMA Transfer. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) -{ - uint32_t dmarequest = 0x00U; - /* The Lock is not implemented on this API to allow the user application - to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback(): - when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated - and the correspond call back is executed HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback() - */ - - /* Stop USART DMA Tx request if ongoing */ - dmarequest = HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAT); - if ((husart->State == HAL_USART_STATE_BUSY_TX) && dmarequest) - { - USART_EndTxTransfer(husart); - - /* Abort the USART DMA Tx channel */ - if (husart->hdmatx != NULL) - { - HAL_DMA_Abort(husart->hdmatx); - } - - /* Disable the USART Tx DMA request */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); - } - - /* Stop USART DMA Rx request if ongoing */ - dmarequest = HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR); - if ((husart->State == HAL_USART_STATE_BUSY_RX) && dmarequest) - { - USART_EndRxTransfer(husart); - - /* Abort the USART DMA Rx channel */ - if (husart->hdmarx != NULL) - { - HAL_DMA_Abort(husart->hdmarx); - } - - /* Disable the USART Rx DMA request */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); - } - - return HAL_OK; -} - -/** - * @brief Abort ongoing transfer (blocking mode). - * @param husart USART handle. - * @note This procedure could be used for aborting any ongoing transfer (either Tx or Rx, - * as described by TransferType parameter) started in Interrupt or DMA mode. - * This procedure performs following operations : - * - Disable PPP Interrupts (depending of transfer direction) - * - Disable the DMA transfer in the peripheral register (if enabled) - * - Abort DMA transfer by calling HAL_DMA_Abort (in case of transfer in DMA mode) - * - Set handle State to READY - * @note This procedure is executed in blocking mode : when exiting function, Abort is considered as completed. - * @retval HAL status -*/ -HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart) -{ - /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */ - CLEAR_BIT(husart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE)); - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* Disable the USART DMA Tx request if enabled */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAT)) - { - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - /* Abort the USART DMA Tx channel : use blocking DMA Abort API (no callback) */ - if (husart->hdmatx != NULL) - { - /* Set the USART DMA Abort callback to Null. - No call back execution at end of DMA abort procedure */ - husart->hdmatx->XferAbortCallback = NULL; - - HAL_DMA_Abort(husart->hdmatx); - } - } - - /* Disable the USART DMA Rx request if enabled */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR)) - { - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); - - /* Abort the USART DMA Rx channel : use blocking DMA Abort API (no callback) */ - if (husart->hdmarx != NULL) - { - /* Set the USART DMA Abort callback to Null. - No call back execution at end of DMA abort procedure */ - husart->hdmarx->XferAbortCallback = NULL; - - HAL_DMA_Abort(husart->hdmarx); - } - } - - /* Reset Tx and Rx transfer counters */ - husart->TxXferCount = 0x00U; - husart->RxXferCount = 0x00U; - - /* Restore husart->State to Ready */ - husart->State = HAL_USART_STATE_READY; - - /* Reset Handle ErrorCode to No Error */ - husart->ErrorCode = HAL_USART_ERROR_NONE; - - return HAL_OK; -} - -/** - * @brief Abort ongoing transfer (Interrupt mode). - * @param husart USART handle. - * @note This procedure could be used for aborting any ongoing transfer (either Tx or Rx, - * as described by TransferType parameter) started in Interrupt or DMA mode. - * This procedure performs following operations : - * - Disable PPP Interrupts (depending of transfer direction) - * - Disable the DMA transfer in the peripheral register (if enabled) - * - Abort DMA transfer by calling HAL_DMA_Abort_IT (in case of transfer in DMA mode) - * - Set handle State to READY - * - At abort completion, call user abort complete callback - * @note This procedure is executed in Interrupt mode, meaning that abort procedure could be - * considered as completed only when user abort complete callback is executed (not when exiting function). - * @retval HAL status -*/ -HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart) -{ - uint32_t AbortCplt = 0x01U; - - /* Disable TXEIE, TCIE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */ - CLEAR_BIT(husart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE)); - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* If DMA Tx and/or DMA Rx Handles are associated to USART Handle, DMA Abort complete callbacks should be initialised - before any call to DMA Abort functions */ - /* DMA Tx Handle is valid */ - if (husart->hdmatx != NULL) - { - /* Set DMA Abort Complete callback if USART DMA Tx request if enabled. - Otherwise, set it to NULL */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAT)) - { - husart->hdmatx->XferAbortCallback = USART_DMATxAbortCallback; - } - else - { - husart->hdmatx->XferAbortCallback = NULL; - } - } - /* DMA Rx Handle is valid */ - if (husart->hdmarx != NULL) - { - /* Set DMA Abort Complete callback if USART DMA Rx request if enabled. - Otherwise, set it to NULL */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR)) - { - husart->hdmarx->XferAbortCallback = USART_DMARxAbortCallback; - } - else - { - husart->hdmarx->XferAbortCallback = NULL; - } - } - - /* Disable the USART DMA Tx request if enabled */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAT)) - { - /* Disable DMA Tx at USART level */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - /* Abort the USART DMA Tx channel : use non blocking DMA Abort API (callback) */ - if (husart->hdmatx != NULL) - { - /* USART Tx DMA Abort callback has already been initialised : - will lead to call HAL_USART_AbortCpltCallback() at end of DMA abort procedure */ - - /* Abort DMA TX */ - if (HAL_DMA_Abort_IT(husart->hdmatx) != HAL_OK) - { - husart->hdmatx->XferAbortCallback = NULL; - } - else - { - AbortCplt = 0x00U; - } - } - } - - /* Disable the USART DMA Rx request if enabled */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR)) - { - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); - - /* Abort the USART DMA Rx channel : use non blocking DMA Abort API (callback) */ - if (husart->hdmarx != NULL) - { - /* USART Rx DMA Abort callback has already been initialised : - will lead to call HAL_USART_AbortCpltCallback() at end of DMA abort procedure */ - - /* Abort DMA RX */ - if (HAL_DMA_Abort_IT(husart->hdmarx) != HAL_OK) - { - husart->hdmarx->XferAbortCallback = NULL; - AbortCplt = 0x01U; - } - else - { - AbortCplt = 0x00U; - } - } - } - - /* if no DMA abort complete callback execution is required => call user Abort Complete callback */ - if (AbortCplt == 0x01U) - { - /* Reset Tx and Rx transfer counters */ - husart->TxXferCount = 0x00U; - husart->RxXferCount = 0x00U; - - /* Reset errorCode */ - husart->ErrorCode = HAL_USART_ERROR_NONE; - - /* Restore husart->State to Ready */ - husart->State = HAL_USART_STATE_READY; - - /* As no DMA to be aborted, call directly user Abort complete callback */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Abort Complete Callback */ - husart->AbortCpltCallback(husart); -#else - /* Call legacy weak Abort Complete Callback */ - HAL_USART_AbortCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - - return HAL_OK; -} - -/** - * @brief This function handles USART interrupt request. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) -{ - uint32_t isrflags = READ_REG(husart->Instance->SR); - uint32_t cr1its = READ_REG(husart->Instance->CR1); - uint32_t cr3its = READ_REG(husart->Instance->CR3); - uint32_t errorflags = 0x00U; - uint32_t dmarequest = 0x00U; - - /* If no error occurs */ - errorflags = (isrflags & (uint32_t)(USART_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE)); - if (errorflags == RESET) - { - /* USART in mode Receiver -------------------------------------------------*/ - if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET)) - { - if (husart->State == HAL_USART_STATE_BUSY_RX) - { - USART_Receive_IT(husart); - } - else - { - USART_TransmitReceive_IT(husart); - } - return; - } - } - /* If some errors occur */ - if ((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET) || ((cr1its & (USART_CR1_RXNEIE | USART_CR1_PEIE)) != RESET))) - { - /* USART parity error interrupt occurred ----------------------------------*/ - if (((isrflags & USART_SR_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET)) - { - husart->ErrorCode |= HAL_USART_ERROR_PE; - } - - /* USART noise error interrupt occurred --------------------------------*/ - if (((isrflags & USART_SR_NE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET)) - { - husart->ErrorCode |= HAL_USART_ERROR_NE; - } - - /* USART frame error interrupt occurred --------------------------------*/ - if (((isrflags & USART_SR_FE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET)) - { - husart->ErrorCode |= HAL_USART_ERROR_FE; - } - - /* USART Over-Run interrupt occurred -----------------------------------*/ - if (((isrflags & USART_SR_ORE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET)) - { - husart->ErrorCode |= HAL_USART_ERROR_ORE; - } - - if (husart->ErrorCode != HAL_USART_ERROR_NONE) - { - /* USART in mode Receiver -----------------------------------------------*/ - if (((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET)) - { - if (husart->State == HAL_USART_STATE_BUSY_RX) - { - USART_Receive_IT(husart); - } - else - { - USART_TransmitReceive_IT(husart); - } - } - /* If Overrun error occurs, or if any error occurs in DMA mode reception, - consider error as blocking */ - dmarequest = HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR); - if (((husart->ErrorCode & HAL_USART_ERROR_ORE) != RESET) || dmarequest) - { - /* Set the USART state ready to be able to start again the process, - Disable Rx Interrupts, and disable Rx DMA request, if ongoing */ - USART_EndRxTransfer(husart); - - /* Disable the USART DMA Rx request if enabled */ - if (HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR)) - { - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); - - /* Abort the USART DMA Rx channel */ - if (husart->hdmarx != NULL) - { - /* Set the USART DMA Abort callback : - will lead to call HAL_USART_ErrorCallback() at end of DMA abort procedure */ - husart->hdmarx->XferAbortCallback = USART_DMAAbortOnError; - - if (HAL_DMA_Abort_IT(husart->hdmarx) != HAL_OK) - { - /* Call Directly XferAbortCallback function in case of error */ - husart->hdmarx->XferAbortCallback(husart->hdmarx); - } - } - else - { - /* Call user error callback */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Error Callback */ - husart->ErrorCallback(husart); -#else - /* Call legacy weak Error Callback */ - HAL_USART_ErrorCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - } - else - { - /* Call user error callback */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Error Callback */ - husart->ErrorCallback(husart); -#else - /* Call legacy weak Error Callback */ - HAL_USART_ErrorCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - } - else - { - /* Call user error callback */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Error Callback */ - husart->ErrorCallback(husart); -#else - /* Call legacy weak Error Callback */ - HAL_USART_ErrorCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - husart->ErrorCode = HAL_USART_ERROR_NONE; - } - } - return; - } - - /* USART in mode Transmitter -----------------------------------------------*/ - if (((isrflags & USART_SR_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET)) - { - if (husart->State == HAL_USART_STATE_BUSY_TX) - { - USART_Transmit_IT(husart); - } - else - { - USART_TransmitReceive_IT(husart); - } - return; - } - - /* USART in mode Transmitter (transmission end) ----------------------------*/ - if (((isrflags & USART_SR_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET)) - { - USART_EndTransmit_IT(husart); - return; - } -} - -/** - * @brief Tx Transfer completed callbacks. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_TxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Tx Half Transfer completed callbacks. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_TxHalfCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Rx Transfer completed callbacks. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_RxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Rx Half Transfer completed callbacks. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_RxHalfCpltCallback could be implemented in the user file - */ -} - -/** - * @brief Tx/Rx Transfers completed callback for the non-blocking process. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_TxRxCpltCallback could be implemented in the user file - */ -} - -/** - * @brief USART error callbacks. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -__weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - /* NOTE: This function should not be modified, when the callback is needed, - the HAL_USART_ErrorCallback could be implemented in the user file - */ -} - -/** - * @brief USART Abort Complete callback. - * @param husart USART handle. - * @retval None - */ -__weak void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart) -{ - /* Prevent unused argument(s) compilation warning */ - UNUSED(husart); - - /* NOTE : This function should not be modified, when the callback is needed, - the HAL_USART_AbortCpltCallback can be implemented in the user file. - */ -} - -/** - * @} - */ - -/** @defgroup USART_Exported_Functions_Group3 Peripheral State and Errors functions - * @brief USART State and Errors functions - * -@verbatim - ============================================================================== - ##### Peripheral State and Errors functions ##### - ============================================================================== - [..] - This subsection provides a set of functions allowing to return the State of - USART communication - process, return Peripheral Errors occurred during communication process - (+) HAL_USART_GetState() API can be helpful to check in run-time the state - of the USART peripheral. - (+) HAL_USART_GetError() check in run-time errors that could be occurred during - communication. -@endverbatim - * @{ - */ - -/** - * @brief Returns the USART state. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL state - */ -HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) -{ - return husart->State; -} - -/** - * @brief Return the USART error code - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART. - * @retval USART Error Code - */ -uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) -{ - return husart->ErrorCode; -} - -/** - * @} - */ - -/** @defgroup USART_Private_Functions USART Private Functions - * @{ - */ - -/** - * @brief Initialize the callbacks to their default values. - * @param husart USART handle. - * @retval none - */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) -void USART_InitCallbacksToDefault(USART_HandleTypeDef *husart) -{ - /* Init the USART Callback settings */ - husart->TxHalfCpltCallback = HAL_USART_TxHalfCpltCallback; /* Legacy weak TxHalfCpltCallback */ - husart->TxCpltCallback = HAL_USART_TxCpltCallback; /* Legacy weak TxCpltCallback */ - husart->RxHalfCpltCallback = HAL_USART_RxHalfCpltCallback; /* Legacy weak RxHalfCpltCallback */ - husart->RxCpltCallback = HAL_USART_RxCpltCallback; /* Legacy weak RxCpltCallback */ - husart->TxRxCpltCallback = HAL_USART_TxRxCpltCallback; /* Legacy weak TxRxCpltCallback */ - husart->ErrorCallback = HAL_USART_ErrorCallback; /* Legacy weak ErrorCallback */ - husart->AbortCpltCallback = HAL_USART_AbortCpltCallback; /* Legacy weak AbortCpltCallback */ -} -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - -/** - * @brief DMA USART transmit process complete callback. - * @param hdma Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - /* DMA Normal mode */ - if ((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U) - { - husart->TxXferCount = 0U; - if (husart->State == HAL_USART_STATE_BUSY_TX) - { - /* Disable the DMA transfer for transmit request by resetting the DMAT bit - in the USART CR3 register */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - /* Enable the USART Transmit Complete Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_TCIE); - } - } - /* DMA Circular mode */ - else - { - if (husart->State == HAL_USART_STATE_BUSY_TX) - { -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Tx Complete Callback */ - husart->TxCpltCallback(husart); -#else - /* Call legacy weak Tx Complete Callback */ - HAL_USART_TxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - } -} - -/** - * @brief DMA USART transmit process half complete callback - * @param hdma Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Tx Half Complete Callback */ - husart->TxHalfCpltCallback(husart); -#else - /* Call legacy weak Tx Half Complete Callback */ - HAL_USART_TxHalfCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -} - -/** - * @brief DMA USART receive process complete callback. - * @param hdma Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - /* DMA Normal mode */ - if ((hdma->Instance->CCR & DMA_CCR_CIRC) == 0U) - { - husart->RxXferCount = 0x00U; - - /* Disable RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_PEIE); - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* Disable the DMA transfer for the Transmit/receiver request by clearing the DMAT/DMAR bit - in the USART CR3 register */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); - CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); - - husart->State = HAL_USART_STATE_READY; - - /* The USART state is HAL_USART_STATE_BUSY_RX */ - if (husart->State == HAL_USART_STATE_BUSY_RX) - { -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Rx Complete Callback */ - husart->RxCpltCallback(husart); -#else - /* Call legacy weak Rx Complete Callback */ - HAL_USART_RxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ - else - { -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Tx Rx Complete Callback */ - husart->TxRxCpltCallback(husart); -#else - /* Call legacy weak Tx Rx Complete Callback */ - HAL_USART_TxRxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - } - /* DMA circular mode */ - else - { - if (husart->State == HAL_USART_STATE_BUSY_RX) - { -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Rx Complete Callback */ - husart->RxCpltCallback(husart); -#else - /* Call legacy weak Rx Complete Callback */ - HAL_USART_RxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ - else - { -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Tx Rx Complete Callback */ - husart->TxRxCpltCallback(husart); -#else - /* Call legacy weak Tx Rx Complete Callback */ - HAL_USART_TxRxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - } - } -} - -/** - * @brief DMA USART receive process half complete callback - * @param hdma Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Rx Half Complete Callback */ - husart->RxHalfCpltCallback(husart); -#else - /* Call legacy weak Rx Half Complete Callback */ - HAL_USART_RxHalfCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -} - -/** - * @brief DMA USART communication error callback. - * @param hdma Pointer to a DMA_HandleTypeDef structure that contains - * the configuration information for the specified DMA module. - * @retval None - */ -static void USART_DMAError(DMA_HandleTypeDef *hdma) -{ - uint32_t dmarequest = 0x00U; - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - husart->RxXferCount = 0x00U; - husart->TxXferCount = 0x00U; - - /* Stop USART DMA Tx request if ongoing */ - dmarequest = HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAT); - if ((husart->State == HAL_USART_STATE_BUSY_TX) && dmarequest) - { - USART_EndTxTransfer(husart); - } - - /* Stop USART DMA Rx request if ongoing */ - dmarequest = HAL_IS_BIT_SET(husart->Instance->CR3, USART_CR3_DMAR); - if ((husart->State == HAL_USART_STATE_BUSY_RX) && dmarequest) - { - USART_EndRxTransfer(husart); - } - - husart->ErrorCode |= HAL_USART_ERROR_DMA; - husart->State = HAL_USART_STATE_READY; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Error Callback */ - husart->ErrorCallback(husart); -#else - /* Call legacy weak Error Callback */ - HAL_USART_ErrorCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -} - -/** - * @brief This function handles USART Communication Timeout. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @param Flag specifies the USART flag to check. - * @param Status The new Flag status (SET or RESET). - * @param Tickstart Tick start value. - * @param Timeout Timeout duration. - * @retval HAL status - */ -static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Tickstart, uint32_t Timeout) -{ - /* Wait until flag is set */ - while ((__HAL_USART_GET_FLAG(husart, Flag) ? SET : RESET) == Status) - { - /* Check for the Timeout */ - if (Timeout != HAL_MAX_DELAY) - { - if ((Timeout == 0U) || ((HAL_GetTick() - Tickstart) > Timeout)) - { - /* Disable the USART Transmit Complete Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_TXEIE); - - /* Disable the USART RXNE Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_RXNEIE); - - /* Disable the USART Parity Error Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_PEIE); - - /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - husart->State = HAL_USART_STATE_READY; - - /* Process Unlocked */ - __HAL_UNLOCK(husart); - - return HAL_TIMEOUT; - } - } - } - return HAL_OK; -} - -/** - * @brief End ongoing Tx transfer on USART peripheral (following error detection or Transmit completion). - * @param husart USART handle. - * @retval None - */ -static void USART_EndTxTransfer(USART_HandleTypeDef *husart) -{ - /* Disable TXEIE and TCIE interrupts */ - CLEAR_BIT(husart->Instance->CR1, (USART_CR1_TXEIE | USART_CR1_TCIE)); - - /* At end of Tx process, restore husart->State to Ready */ - husart->State = HAL_USART_STATE_READY; -} - -/** - * @brief End ongoing Rx transfer on USART peripheral (following error detection or Reception completion). - * @param husart USART handle. - * @retval None - */ -static void USART_EndRxTransfer(USART_HandleTypeDef *husart) -{ - /* Disable RXNE, PE and ERR interrupts */ - CLEAR_BIT(husart->Instance->CR1, (USART_CR1_RXNEIE | USART_CR1_PEIE)); - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - /* At end of Rx process, restore husart->State to Ready */ - husart->State = HAL_USART_STATE_READY; -} - -/** - * @brief DMA USART communication abort callback, when initiated by HAL services on Error - * (To be called at end of DMA Abort procedure following error occurrence). - * @param hdma DMA handle. - * @retval None - */ -static void USART_DMAAbortOnError(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - husart->RxXferCount = 0x00U; - husart->TxXferCount = 0x00U; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Error Callback */ - husart->ErrorCallback(husart); -#else - /* Call legacy weak Error Callback */ - HAL_USART_ErrorCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -} - -/** - * @brief DMA USART Tx communication abort callback, when initiated by user - * (To be called at end of DMA Tx Abort procedure following user abort request). - * @note When this callback is executed, User Abort complete call back is called only if no - * Abort still ongoing for Rx DMA Handle. - * @param hdma DMA handle. - * @retval None - */ -static void USART_DMATxAbortCallback(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - - husart->hdmatx->XferAbortCallback = NULL; - - /* Check if an Abort process is still ongoing */ - if (husart->hdmarx != NULL) - { - if (husart->hdmarx->XferAbortCallback != NULL) - { - return; - } - } - - /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */ - husart->TxXferCount = 0x00U; - husart->RxXferCount = 0x00U; - - /* Reset errorCode */ - husart->ErrorCode = HAL_USART_ERROR_NONE; - - /* Restore husart->State to Ready */ - husart->State = HAL_USART_STATE_READY; - - /* Call user Abort complete callback */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Abort Complete Callback */ - husart->AbortCpltCallback(husart); -#else - /* Call legacy weak Abort Complete Callback */ - HAL_USART_AbortCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -} - -/** - * @brief DMA USART Rx communication abort callback, when initiated by user - * (To be called at end of DMA Rx Abort procedure following user abort request). - * @note When this callback is executed, User Abort complete call back is called only if no - * Abort still ongoing for Tx DMA Handle. - * @param hdma DMA handle. - * @retval None - */ -static void USART_DMARxAbortCallback(DMA_HandleTypeDef *hdma) -{ - USART_HandleTypeDef *husart = (USART_HandleTypeDef *)((DMA_HandleTypeDef *)hdma)->Parent; - - husart->hdmarx->XferAbortCallback = NULL; - - /* Check if an Abort process is still ongoing */ - if (husart->hdmatx != NULL) - { - if (husart->hdmatx->XferAbortCallback != NULL) - { - return; - } - } - - /* No Abort process still ongoing : All DMA channels are aborted, call user Abort Complete callback */ - husart->TxXferCount = 0x00U; - husart->RxXferCount = 0x00U; - - /* Reset errorCode */ - husart->ErrorCode = HAL_USART_ERROR_NONE; - - /* Restore husart->State to Ready */ - husart->State = HAL_USART_STATE_READY; - - /* Call user Abort complete callback */ -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Abort Complete Callback */ - husart->AbortCpltCallback(husart); -#else - /* Call legacy weak Abort Complete Callback */ - HAL_USART_AbortCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ -} - -/** - * @brief Simplex Send an amount of data in non-blocking mode. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - * @note The USART errors are not managed to avoid the overrun error. - */ -static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) -{ - uint16_t *tmp; - - if (husart->State == HAL_USART_STATE_BUSY_TX) - { - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - tmp = (uint16_t *) husart->pTxBuffPtr; - husart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF); - if (husart->Init.Parity == USART_PARITY_NONE) - { - husart->pTxBuffPtr += 2U; - } - else - { - husart->pTxBuffPtr += 1U; - } - } - else - { - husart->Instance->DR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF); - } - - if (--husart->TxXferCount == 0U) - { - /* Disable the USART Transmit data register empty Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_TXEIE); - - /* Enable the USART Transmit Complete Interrupt */ - SET_BIT(husart->Instance->CR1, USART_CR1_TCIE); - } - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Wraps up transmission in non blocking mode. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) -{ - /* Disable the USART Transmit Complete Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_TCIE); - - /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - husart->State = HAL_USART_STATE_READY; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Tx Complete Callback */ - husart->TxCpltCallback(husart); -#else - /* Call legacy weak Tx Complete Callback */ - HAL_USART_TxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - - return HAL_OK; -} - -/** - * @brief Simplex Receive an amount of data in non-blocking mode. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) -{ - uint16_t *tmp; - if (husart->State == HAL_USART_STATE_BUSY_RX) - { - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - tmp = (uint16_t *) husart->pRxBuffPtr; - if (husart->Init.Parity == USART_PARITY_NONE) - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); - husart->pRxBuffPtr += 2U; - } - else - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); - husart->pRxBuffPtr += 1U; - } - if (--husart->RxXferCount != 0x00U) - { - /* Send dummy byte in order to generate the clock for the slave to send the next data */ - husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x01FF); - } - } - else - { - if (husart->Init.Parity == USART_PARITY_NONE) - { - *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); - } - else - { - *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); - } - - if (--husart->RxXferCount != 0x00U) - { - /* Send dummy byte in order to generate the clock for the slave to send the next data */ - husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x00FF); - } - } - - if (husart->RxXferCount == 0U) - { - /* Disable the USART RXNE Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_RXNEIE); - - /* Disable the USART Parity Error Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_PEIE); - - /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - husart->State = HAL_USART_STATE_READY; -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Rx Complete Callback */ - husart->RxCpltCallback(husart); -#else - /* Call legacy weak Rx Complete Callback */ - HAL_USART_RxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - - return HAL_OK; - } - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval HAL status - */ -static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) -{ - uint16_t *tmp; - - if (husart->State == HAL_USART_STATE_BUSY_TX_RX) - { - if (husart->TxXferCount != 0x00U) - { - if (__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) - { - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - tmp = (uint16_t *) husart->pTxBuffPtr; - husart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF); - if (husart->Init.Parity == USART_PARITY_NONE) - { - husart->pTxBuffPtr += 2U; - } - else - { - husart->pTxBuffPtr += 1U; - } - } - else - { - husart->Instance->DR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF); - } - husart->TxXferCount--; - - /* Check the latest data transmitted */ - if (husart->TxXferCount == 0U) - { - CLEAR_BIT(husart->Instance->CR1, USART_CR1_TXEIE); - } - } - } - - if (husart->RxXferCount != 0x00U) - { - if (__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) - { - if (husart->Init.WordLength == USART_WORDLENGTH_9B) - { - tmp = (uint16_t *) husart->pRxBuffPtr; - if (husart->Init.Parity == USART_PARITY_NONE) - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); - husart->pRxBuffPtr += 2U; - } - else - { - *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); - husart->pRxBuffPtr += 1U; - } - } - else - { - if (husart->Init.Parity == USART_PARITY_NONE) - { - *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); - } - else - { - *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); - } - } - husart->RxXferCount--; - } - } - - /* Check the latest data received */ - if (husart->RxXferCount == 0U) - { - /* Disable the USART RXNE Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_RXNEIE); - - /* Disable the USART Parity Error Interrupt */ - CLEAR_BIT(husart->Instance->CR1, USART_CR1_PEIE); - - /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ - CLEAR_BIT(husart->Instance->CR3, USART_CR3_EIE); - - husart->State = HAL_USART_STATE_READY; - -#if (USE_HAL_USART_REGISTER_CALLBACKS == 1) - /* Call registered Tx Rx Complete Callback */ - husart->TxRxCpltCallback(husart); -#else - /* Call legacy weak Tx Rx Complete Callback */ - HAL_USART_TxRxCpltCallback(husart); -#endif /* USE_HAL_USART_REGISTER_CALLBACKS */ - - return HAL_OK; - } - - return HAL_OK; - } - else - { - return HAL_BUSY; - } -} - -/** - * @brief Configures the USART peripheral. - * @param husart Pointer to a USART_HandleTypeDef structure that contains - * the configuration information for the specified USART module. - * @retval None - */ -static void USART_SetConfig(USART_HandleTypeDef *husart) -{ - uint32_t tmpreg = 0x00U; - uint32_t pclk; - - /* Check the parameters */ - assert_param(IS_USART_INSTANCE(husart->Instance)); - assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); - assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); - assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); - assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); - assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); - assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); - assert_param(IS_USART_PARITY(husart->Init.Parity)); - assert_param(IS_USART_MODE(husart->Init.Mode)); - - /* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the - receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */ - CLEAR_BIT(husart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); - - /*---------------------------- USART CR2 Configuration ---------------------*/ - tmpreg = husart->Instance->CR2; - /* Clear CLKEN, CPOL, CPHA and LBCL bits */ - tmpreg &= (uint32_t)~((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP)); - /* Configure the USART Clock, CPOL, CPHA and LastBit -----------------------*/ - /* Set CPOL bit according to husart->Init.CLKPolarity value */ - /* Set CPHA bit according to husart->Init.CLKPhase value */ - /* Set LBCL bit according to husart->Init.CLKLastBit value */ - /* Set Stop Bits: Set STOP[13:12] bits according to husart->Init.StopBits value */ - tmpreg |= (uint32_t)(USART_CLOCK_ENABLE | husart->Init.CLKPolarity | - husart->Init.CLKPhase | husart->Init.CLKLastBit | husart->Init.StopBits); - /* Write to USART CR2 */ - WRITE_REG(husart->Instance->CR2, (uint32_t)tmpreg); - - /*-------------------------- USART CR1 Configuration -----------------------*/ - tmpreg = husart->Instance->CR1; - - /* Clear M, PCE, PS, TE and RE bits */ - tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE)); - - /* Configure the USART Word Length, Parity and mode: - Set the M bits according to husart->Init.WordLength value - Set PCE and PS bits according to husart->Init.Parity value - Set TE and RE bits according to husart->Init.Mode value - */ - tmpreg |= (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode; - - /* Write to USART CR1 */ - WRITE_REG(husart->Instance->CR1, (uint32_t)tmpreg); - - /*-------------------------- USART CR3 Configuration -----------------------*/ - /* Clear CTSE and RTSE bits */ - CLEAR_BIT(husart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE)); - - /*-------------------------- USART BRR Configuration -----------------------*/ - if((husart->Instance == USART1)) - { - pclk = HAL_RCC_GetPCLK2Freq(); - husart->Instance->BRR = USART_BRR(pclk, husart->Init.BaudRate); - } - else - { - pclk = HAL_RCC_GetPCLK1Freq(); - husart->Instance->BRR = USART_BRR(pclk, husart->Init.BaudRate); - } -} - -/** - * @} - */ - -/** - * @} - */ - -#endif /* HAL_USART_MODULE_ENABLED */ -/** - * @} - */ - -/** - * @} - */ - -/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3-70-g09d2