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Diff: targets/cmsis/TARGET_STM/TARGET_STM32F407VG/stm32f4xx_hal_uart.c
- Revision:
- 384:ef87175507f1
- Parent:
- 383:0564d9840d0d
- Child:
- 385:be64abf45658
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F407VG/stm32f4xx_hal_uart.c Mon Nov 03 11:00:07 2014 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1896 +0,0 @@
-/**
- ******************************************************************************
- * @file stm32f4xx_hal_uart.c
- * @author MCD Application Team
- * @version V1.1.0RC2
- * @date 14-May-2014
- * @brief UART HAL module driver.
- * This file provides firmware functions to manage the following
- * functionalities of the Universal Asynchronous Receiver Transmitter (UART) peripheral:
- * + Initialization and de-initialization functions
- * + IO operation functions
- * + Peripheral Control functions
- * + Peripheral State and Errors functions
- *
- @verbatim
- ==============================================================================
- ##### How to use this driver #####
- ==============================================================================
- [..]
- The UART HAL driver can be used as follows:
-
- (#) Declare a UART_HandleTypeDef handle structure.
-
- (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit() API:
- (##) Enable the USARTx interface clock.
- (##) UART pins configuration:
- (+++) Enable the clock for the UART GPIOs.
- (+++) Configure these UART pins as alternate function pull-up.
- (##) NVIC configuration if you need to use interrupt process (HAL_UART_Transmit_IT()
- and HAL_UART_Receive_IT() APIs):
- (+++) Configure the USARTx interrupt priority.
- (+++) Enable the NVIC USART IRQ handle.
- (##) DMA Configuration if you need to use DMA process (HAL_UART_Transmit_DMA()
- and HAL_UART_Receive_DMA() APIs):
- (+++) Declare a DMA handle structure for the Tx/Rx stream.
- (+++) Enable the DMAx interface clock.
- (+++) Configure the declared DMA handle structure with the required
- Tx/Rx parameters.
- (+++) Configure the DMA Tx/Rx Stream.
- (+++) Associate the initialized DMA handle to the UART DMA Tx/Rx handle.
- (+++) Configure the priority and enable the NVIC for the transfer complete
- interrupt on the DMA Tx/Rx Stream.
-
- (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware
- flow control and Mode(Receiver/Transmitter) in the Init structure.
-
- (#) For the UART asynchronous mode, initialize the UART registers by calling
- the HAL_UART_Init() API.
-
- (#) For the UART Half duplex mode, initialize the UART registers by calling
- the HAL_HalfDuplex_Init() API.
-
- (#) For the LIN mode, initialize the UART registers by calling the HAL_LIN_Init() API.
-
- (#) For the Multi-Processor mode, initialize the UART registers by calling
- the HAL_MultiProcessor_Init() API.
-
- [..]
- (@) The specific UART interrupts (Transmission complete interrupt,
- RXNE interrupt and Error Interrupts) will be managed using the macros
- __HAL_UART_ENABLE_IT() and __HAL_UART_DISABLE_IT() inside the transmit
- and receive process.
-
- [..]
- (@) These APIs (HAL_UART_Init() and HAL_HalfDuplex_Init()) configure also the
- low level Hardware GPIO, CLOCK, CORTEX...etc) by calling the customed
- HAL_UART_MspInit() API.
-
- [..]
- Three operation modes are available within this driver :
-
- *** Polling mode IO operation ***
- =================================
- [..]
- (+) Send an amount of data in blocking mode using HAL_UART_Transmit()
- (+) Receive an amount of data in blocking mode using HAL_UART_Receive()
-
- *** Interrupt mode IO operation ***
- ===================================
- [..]
- (+) Send an amount of data in non blocking mode using HAL_UART_Transmit_IT()
- (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback
- (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_TxCpltCallback
- (+) Receive an amount of data in non blocking mode using HAL_UART_Receive_IT()
- (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback
- (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_RxCpltCallback
- (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can
- add his own code by customization of function pointer HAL_UART_ErrorCallback
-
- *** DMA mode IO operation ***
- ==============================
- [..]
- (+) Send an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_DMA()
- (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback
- (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_TxCpltCallback
- (+) Receive an amount of data in non blocking mode (DMA) using HAL_UART_Receive_DMA()
- (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback
- (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can
- add his own code by customization of function pointer HAL_UART_RxCpltCallback
- (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can
- add his own code by customization of function pointer HAL_UART_ErrorCallback
- (+) Pause the DMA Transfer using HAL_UART_DMAPause()
- (+) Resume the DMA Transfer using HAL_UART_DMAResume()
- (+) Stop the DMA Transfer using HAL_UART_DMAStop()
-
- *** UART HAL driver macros list ***
- =============================================
- [..]
- Below the list of most used macros in UART HAL driver.
-
- (+) __HAL_UART_ENABLE: Enable the UART peripheral
- (+) __HAL_UART_DISABLE: Disable the UART peripheral
- (+) __HAL_UART_GET_FLAG : Check whether the specified UART flag is set or not
- (+) __HAL_UART_CLEAR_FLAG : Clear the specified UART pending flag
- (+) __HAL_UART_ENABLE_IT: Enable the specified UART interrupt
- (+) __HAL_UART_DISABLE_IT: Disable the specified UART interrupt
-
- [..]
- (@) You can refer to the UART HAL driver header file for more useful macros
-
- @endverbatim
- ******************************************************************************
- * @attention
- *
- * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of STMicroelectronics nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************
- */
-
-/* Includes ------------------------------------------------------------------*/
-#include "stm32f4xx_hal.h"
-
-/** @addtogroup STM32F4xx_HAL_Driver
- * @{
- */
-
-/** @defgroup UART
- * @brief HAL UART module driver
- * @{
- */
-#ifdef HAL_UART_MODULE_ENABLED
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-#define UART_TIMEOUT_VALUE 22000
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-static void UART_SetConfig (UART_HandleTypeDef *huart);
-static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart);
-static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart);
-static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma);
-static void UART_DMAError(DMA_HandleTypeDef *hdma);
-static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
-
-/* Private functions ---------------------------------------------------------*/
-
-/** @defgroup UART_Private_Functions
- * @{
- */
-
-/** @defgroup UART_Group1 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 USARTx or the UARTy
- in asynchronous mode.
- (+) 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 UART frame formats.
- (++) Hardware flow control
- (++) Receiver/transmitter modes
- (++) Over Sampling Methode
- [..]
- The HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_LIN_Init() and HAL_MultiProcessor_Init() APIs
- follow respectively the UART asynchronous, UART Half duplex, LIN and Multi-Processor
- configuration procedures (details for the procedures are available in reference manual (RM0329)).
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Initializes the UART mode according to the specified parameters in
- * the UART_InitTypeDef and create the associated handle.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart)
-{
- /* Check the UART handle allocation */
- if(huart == NULL)
- {
- return HAL_ERROR;
- }
-
- if(huart->Init.HwFlowCtl != UART_HWCONTROL_NONE)
- {
- /* Check the parameters */
- assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance));
- }
- else
- {
- /* Check the parameters */
- assert_param(IS_UART_INSTANCE(huart->Instance));
- }
-
- if(huart->State == HAL_UART_STATE_RESET)
- {
- /* Init the low level hardware */
- HAL_UART_MspInit(huart);
- }
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Disable the peripheral */
- __HAL_UART_DISABLE(huart);
-
- /* Set the UART Communication parameters */
- UART_SetConfig(huart);
-
- /* In asynchronous mode, the following bits must be kept cleared:
- - LINEN and CLKEN bits in the USART_CR2 register,
- - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/
- huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN);
- huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN);
-
- /* Enable the peripheral */
- __HAL_UART_ENABLE(huart);
-
- /* Initialize the UART state */
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- huart->State= HAL_UART_STATE_READY;
-
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the half-duplex mode according to the specified
- * parameters in the UART_InitTypeDef and create the associated handle.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart)
-{
- /* Check the UART handle allocation */
- if(huart == NULL)
- {
- return HAL_ERROR;
- }
-
- if(huart->State == HAL_UART_STATE_RESET)
- {
- /* Init the low level hardware */
- HAL_UART_MspInit(huart);
- }
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Disable the peripheral */
- __HAL_UART_DISABLE(huart);
-
- /* Set the UART Communication parameters */
- UART_SetConfig(huart);
-
- /* In half-duplex mode, the following bits must be kept cleared:
- - LINEN and CLKEN bits in the USART_CR2 register,
- - SCEN and IREN bits in the USART_CR3 register.*/
- huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN);
- huart->Instance->CR3 &= ~(USART_CR3_IREN | USART_CR3_SCEN);
-
- /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */
- huart->Instance->CR3 |= USART_CR3_HDSEL;
-
- /* Enable the peripheral */
- __HAL_UART_ENABLE(huart);
-
- /* Initialize the UART state*/
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- huart->State= HAL_UART_STATE_READY;
-
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the LIN mode according to the specified
- * parameters in the UART_InitTypeDef and create the associated handle.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param BreakDetectLength: Specifies the LIN break detection length.
- * This parameter can be one of the following values:
- * @arg UART_LINBREAKDETECTLENGTH_10B: 10-bit break detection
- * @arg UART_LINBREAKDETECTLENGTH_11B: 11-bit break detection
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength)
-{
- /* Check the UART handle allocation */
- if(huart == NULL)
- {
- return HAL_ERROR;
- }
- /* Check the Break detection length parameter */
- assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength));
-
- if(huart->State == HAL_UART_STATE_RESET)
- {
- /* Init the low level hardware */
- HAL_UART_MspInit(huart);
- }
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Disable the peripheral */
- __HAL_UART_DISABLE(huart);
-
- /* Set the UART Communication parameters */
- UART_SetConfig(huart);
-
- /* In LIN mode, the following bits must be kept cleared:
- - LINEN and CLKEN bits in the USART_CR2 register,
- - SCEN and IREN bits in the USART_CR3 register.*/
- huart->Instance->CR2 &= ~(USART_CR2_CLKEN);
- huart->Instance->CR3 &= ~(USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN);
-
- /* Enable the LIN mode by setting the LINEN bit in the CR2 register */
- huart->Instance->CR2 |= USART_CR2_LINEN;
-
- /* Set the USART LIN Break detection length. */
- huart->Instance->CR2 &= ~(USART_CR2_LBDL);
- huart->Instance->CR2 |= BreakDetectLength;
-
- /* Enable the peripheral */
- __HAL_UART_ENABLE(huart);
-
- /* Initialize the UART state*/
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- huart->State= HAL_UART_STATE_READY;
-
- return HAL_OK;
-}
-
-/**
- * @brief Initializes the Multi-Processor mode according to the specified
- * parameters in the UART_InitTypeDef and create the associated handle.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param Address: USART address
- * @param WakeUpMethode: specifies the USART wakeup method.
- * This parameter can be one of the following values:
- * @arg UART_WAKEUPMETHODE_IDLELINE: Wakeup by an idle line detection
- * @arg UART_WAKEUPMETHODE_ADDRESSMARK: Wakeup by an address mark
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethode)
-{
- /* Check the UART handle allocation */
- if(huart == NULL)
- {
- return HAL_ERROR;
- }
-
- /* Check the Address & wake up method parameters */
- assert_param(IS_UART_WAKEUPMETHODE(WakeUpMethode));
- assert_param(IS_UART_ADDRESS(Address));
-
- if(huart->State == HAL_UART_STATE_RESET)
- {
- /* Init the low level hardware */
- HAL_UART_MspInit(huart);
- }
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Disable the peripheral */
- __HAL_UART_DISABLE(huart);
-
- /* Set the UART Communication parameters */
- UART_SetConfig(huart);
-
- /* In Multi-Processor mode, the following bits must be kept cleared:
- - LINEN and CLKEN bits in the USART_CR2 register,
- - SCEN, HDSEL and IREN bits in the USART_CR3 register */
- huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN);
- huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN);
-
- /* Clear the USART address */
- huart->Instance->CR2 &= ~(USART_CR2_ADD);
- /* Set the USART address node */
- huart->Instance->CR2 |= Address;
-
- /* Set the wake up methode by setting the WAKE bit in the CR1 register */
- huart->Instance->CR1 &= ~(USART_CR1_WAKE);
- huart->Instance->CR1 |= WakeUpMethode;
-
- /* Enable the peripheral */
- __HAL_UART_ENABLE(huart);
-
- /* Initialize the UART state */
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- huart->State= HAL_UART_STATE_READY;
-
- return HAL_OK;
-}
-
-/**
- * @brief DeInitializes the UART peripheral.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart)
-{
- /* Check the UART handle allocation */
- if(huart == NULL)
- {
- return HAL_ERROR;
- }
-
- /* Check the parameters */
- assert_param(IS_UART_INSTANCE(huart->Instance));
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* DeInit the low level hardware */
- HAL_UART_MspDeInit(huart);
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- huart->State = HAL_UART_STATE_RESET;
-
- /* Process Lock */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief UART MSP Init.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
- __weak void HAL_UART_MspInit(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_MspInit could be implemented in the user file
- */
-}
-
-/**
- * @brief UART MSP DeInit.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
- __weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_MspDeInit could be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-/** @defgroup UART_Group2 IO operation functions
- * @brief UART Transmit and Receive functions
- *
-@verbatim
- ==============================================================================
- ##### IO operation functions #####
- ==============================================================================
- [..]
- This subsection provides a set of functions allowing to manage the UART asynchronous
- and Half duplex data transfers.
-
- (#) 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.
- (++) Non blocking mode: The communication is performed using Interrupts
- or DMA, these APIs return the HAL status.
- The end of the data processing will be indicated through the
- dedicated UART IRQ when using Interrupt mode or the DMA IRQ when
- using DMA mode.
- The HAL_UART_TxCpltCallback(), HAL_UART_RxCpltCallback() user callbacks
- will be executed respectivelly at the end of the transmit or receive process.
- The HAL_UART_ErrorCallback() user callback will be executed when
- a communication error is detected.
-
- (#) Blocking mode APIs are:
- (++) HAL_UART_Transmit()
- (++) HAL_UART_Receive()
-
- (#) Non Blocking mode APIs with Interrupt are:
- (++) HAL_UART_Transmit_IT()
- (++) HAL_UART_Receive_IT()
- (++) HAL_UART_IRQHandler()
-
- (#) Non Blocking mode functions with DMA are:
- (++) HAL_UART_Transmit_DMA()
- (++) HAL_UART_Receive_DMA()
-
- (#) A set of Transfer Complete Callbacks are provided in non blocking mode:
- (++) HAL_UART_TxCpltCallback()
- (++) HAL_UART_RxCpltCallback()
- (++) HAL_UART_ErrorCallback()
-
- [..]
- (@) In the Half duplex communication, it is forbidden to run the transmit
- and receive process in parallel, the UART state HAL_UART_STATE_BUSY_TX_RX
- can't be useful.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Sends an amount of data in blocking mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be sent
- * @param Timeout: Timeout duration
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = huart->State;
- if((tmp1 == HAL_UART_STATE_READY) || (tmp1 == HAL_UART_STATE_BUSY_RX))
- {
- if((pData == NULL ) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- /* Check if a non-blocking receive process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_BUSY_TX;
- }
-
- huart->TxXferSize = Size;
- huart->TxXferCount = Size;
- while(huart->TxXferCount > 0)
- {
- huart->TxXferCount--;
- if(huart->Init.WordLength == UART_WORDLENGTH_9B)
- {
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- tmp = (uint16_t*) pData;
- huart->Instance->DR = (*tmp & (uint16_t)0x01FF);
- if(huart->Init.Parity == UART_PARITY_NONE)
- {
- pData +=2;
- }
- else
- {
- pData +=1;
- }
- }
- else
- {
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- huart->Instance->DR = (*pData++ & (uint8_t)0xFF);
- }
- }
-
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
-
- /* Check if a non-blocking receive process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_READY;
- }
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receives an amount of data in blocking mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be received
- * @param Timeout: Timeout duration
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = huart->State;
- if((tmp1 == HAL_UART_STATE_READY) || (tmp1 == HAL_UART_STATE_BUSY_TX))
- {
- if((pData == NULL ) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- /* Check if a non-blocking transmit process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_BUSY_RX;
- }
-
- huart->RxXferSize = Size;
- huart->RxXferCount = Size;
-
- /* Check the remain data to be received */
- while(huart->RxXferCount > 0)
- {
- huart->RxXferCount--;
- if(huart->Init.WordLength == UART_WORDLENGTH_9B)
- {
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- tmp = (uint16_t*) pData ;
- if(huart->Init.Parity == UART_PARITY_NONE)
- {
- *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
- pData +=2;
- }
- else
- {
- *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x00FF);
- pData +=1;
- }
-
- }
- else
- {
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, Timeout) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- if(huart->Init.Parity == UART_PARITY_NONE)
- {
- *pData++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
- }
- else
- {
- *pData++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
- }
-
- }
- }
-
- /* Check if a non-blocking transmit process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX;
- }
- else
- {
- huart->State = HAL_UART_STATE_READY;
- }
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Sends an amount of data in non blocking mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be sent
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-{
- uint32_t tmp = 0;
-
- tmp = huart->State;
- if((tmp == HAL_UART_STATE_READY) || (tmp == HAL_UART_STATE_BUSY_RX))
- {
- if((pData == NULL ) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->pTxBuffPtr = pData;
- huart->TxXferSize = Size;
- huart->TxXferCount = Size;
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- /* Check if a receive process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_BUSY_TX;
- }
-
- /* Enable the UART Parity Error Interrupt */
- __HAL_UART_ENABLE_IT(huart, UART_IT_PE);
-
- /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_UART_ENABLE_IT(huart, UART_IT_ERR);
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- /* Enable the UART Transmit Complete Interrupt */
- __HAL_UART_ENABLE_IT(huart, UART_IT_TC);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receives an amount of data in non blocking mode
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be received
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-{
- uint32_t tmp = 0;
-
- tmp = huart->State;
- if((tmp == HAL_UART_STATE_READY) || (tmp == HAL_UART_STATE_BUSY_TX))
- {
- if((pData == NULL ) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->pRxBuffPtr = pData;
- huart->RxXferSize = Size;
- huart->RxXferCount = Size;
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- /* Check if a transmit process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_BUSY_RX;
- }
-
- /* Enable the UART Parity Error Interrupt */
- __HAL_UART_ENABLE_IT(huart, UART_IT_PE);
-
- /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_UART_ENABLE_IT(huart, UART_IT_ERR);
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- /* Enable the UART Data Register not empty Interrupt */
- __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Sends an amount of data in non blocking mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be sent
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-{
- uint32_t *tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = huart->State;
- if((tmp1 == HAL_UART_STATE_READY) || (tmp1 == HAL_UART_STATE_BUSY_RX))
- {
- if((pData == NULL ) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->pTxBuffPtr = pData;
- huart->TxXferSize = Size;
- huart->TxXferCount = Size;
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- /* Check if a receive process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_BUSY_TX;
- }
-
- /* Set the UART DMA transfer complete callback */
- huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt;
-
- /* Set the UART DMA Half transfer complete callback */
- huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt;
-
- /* Set the DMA error callback */
- huart->hdmatx->XferErrorCallback = UART_DMAError;
-
- /* Enable the UART transmit DMA Stream */
- tmp = (uint32_t*)&pData;
- HAL_DMA_Start_IT(huart->hdmatx, *(uint32_t*)tmp, (uint32_t)&huart->Instance->DR, Size);
-
- /* Enable the DMA transfer for transmit request by setting the DMAT bit
- in the UART CR3 register */
- huart->Instance->CR3 |= USART_CR3_DMAT;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Receives an amount of data in non blocking mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param pData: Pointer to data buffer
- * @param Size: Amount of data to be received
- * @note When the UART parity is enabled (PCE = 1) the data received contain the parity bit.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size)
-{
- uint32_t *tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = huart->State;
- if((tmp1 == HAL_UART_STATE_READY) || (tmp1 == HAL_UART_STATE_BUSY_TX))
- {
- if((pData == NULL ) || (Size == 0))
- {
- return HAL_ERROR;
- }
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->pRxBuffPtr = pData;
- huart->RxXferSize = Size;
-
- huart->ErrorCode = HAL_UART_ERROR_NONE;
- /* Check if a transmit process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_BUSY_RX;
- }
-
- /* Set the UART DMA transfer complete callback */
- huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt;
-
- /* Set the UART DMA Half transfer complete callback */
- huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt;
-
- /* Set the DMA error callback */
- huart->hdmarx->XferErrorCallback = UART_DMAError;
-
- /* Enable the DMA Stream */
- tmp = (uint32_t*)&pData;
- HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->DR, *(uint32_t*)tmp, Size);
-
- /* Enable the DMA transfer for the receiver request by setting the DMAR bit
- in the UART CR3 register */
- huart->Instance->CR3 |= USART_CR3_DMAR;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Pauses the DMA Transfer.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart)
-{
- /* Process Locked */
- __HAL_LOCK(huart);
-
- if(huart->State == HAL_UART_STATE_BUSY_TX)
- {
- /* Disable the UART DMA Tx request */
- huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT);
- }
- else if(huart->State == HAL_UART_STATE_BUSY_RX)
- {
- /* Disable the UART DMA Rx request */
- huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR);
- }
- else if (huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- /* Disable the UART DMA Tx & Rx requests */
- huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT);
- huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR);
- }
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief Resumes the DMA Transfer.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart)
-{
- /* Process Locked */
- __HAL_LOCK(huart);
-
- if(huart->State == HAL_UART_STATE_BUSY_TX)
- {
- /* Enable the UART DMA Tx request */
- huart->Instance->CR3 |= USART_CR3_DMAT;
- }
- else if(huart->State == HAL_UART_STATE_BUSY_RX)
- {
- /* Enable the UART DMA Rx request */
- huart->Instance->CR3 |= USART_CR3_DMAR;
- }
- else if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- /* Enable the UART DMA Tx & Rx request */
- huart->Instance->CR3 |= USART_CR3_DMAT;
- huart->Instance->CR3 |= USART_CR3_DMAR;
- }
-
- /* If the UART peripheral is still not enabled, enable it */
- if ((huart->Instance->CR1 & USART_CR1_UE) == 0)
- {
- /* Enable UART peripheral */
- __HAL_UART_ENABLE(huart);
- }
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief Stops the DMA Transfer.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart)
-{
- /* Process Locked */
- __HAL_LOCK(huart);
-
- /* Disable the UART Tx/Rx DMA requests */
- huart->Instance->CR3 &= ~USART_CR3_DMAT;
- huart->Instance->CR3 &= ~USART_CR3_DMAR;
-
- /* Abort the UART DMA tx Stream */
- if(huart->hdmatx != NULL)
- {
- HAL_DMA_Abort(huart->hdmatx);
- }
- /* Abort the UART DMA rx Stream */
- if(huart->hdmarx != NULL)
- {
- HAL_DMA_Abort(huart->hdmarx);
- }
- /* Disable UART peripheral */
- __HAL_UART_DISABLE(huart);
-
- huart->State = HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief This function handles UART interrupt request.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
-void HAL_UART_IRQHandler(UART_HandleTypeDef *huart)
-{
- uint32_t tmp1 = 0, tmp2 = 0;
-
- tmp1 = __HAL_UART_GET_FLAG(huart, UART_FLAG_PE);
- tmp2 = __HAL_UART_GET_IT_SOURCE(huart, UART_IT_PE);
- /* UART parity error interrupt occurred ------------------------------------*/
- if((tmp1 != RESET) && (tmp2 != RESET))
- {
- __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_PE);
-
- huart->ErrorCode |= HAL_UART_ERROR_PE;
- }
-
- tmp1 = __HAL_UART_GET_FLAG(huart, UART_FLAG_FE);
- tmp2 = __HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR);
- /* UART frame error interrupt occurred -------------------------------------*/
- if((tmp1 != RESET) && (tmp2 != RESET))
- {
- __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_FE);
-
- huart->ErrorCode |= HAL_UART_ERROR_FE;
- }
-
- tmp1 = __HAL_UART_GET_FLAG(huart, UART_FLAG_NE);
- tmp2 = __HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR);
- /* UART noise error interrupt occurred -------------------------------------*/
- if((tmp1 != RESET) && (tmp2 != RESET))
- {
- __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_NE);
-
- huart->ErrorCode |= HAL_UART_ERROR_NE;
- }
-
- tmp1 = __HAL_UART_GET_FLAG(huart, UART_FLAG_ORE);
- tmp2 = __HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR);
- /* UART Over-Run interrupt occurred ----------------------------------------*/
- if((tmp1 != RESET) && (tmp2 != RESET))
- {
- __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_ORE);
-
- huart->ErrorCode |= HAL_UART_ERROR_ORE;
- }
-
- tmp1 = __HAL_UART_GET_FLAG(huart, UART_FLAG_RXNE);
- tmp2 = __HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE);
- /* UART in mode Receiver ---------------------------------------------------*/
- if((tmp1 != RESET) && (tmp2 != RESET))
- {
- UART_Receive_IT(huart);
- __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_RXNE);
- }
-
- tmp1 = __HAL_UART_GET_FLAG(huart, UART_FLAG_TC);
- tmp2 = __HAL_UART_GET_IT_SOURCE(huart, UART_IT_TC);
- /* UART in mode Transmitter ------------------------------------------------*/
- if((tmp1 != RESET) && (tmp2 != RESET))
- {
- UART_Transmit_IT(huart);
- __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_TC);
- }
-
- if(huart->ErrorCode != HAL_UART_ERROR_NONE)
- {
- /* Set the UART state ready to be able to start again the process */
- huart->State = HAL_UART_STATE_READY;
-
- HAL_UART_ErrorCallback(huart);
- }
-}
-
-/**
- * @brief Tx Transfer completed callbacks.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
- __weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_TxCpltCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Tx Half Transfer completed callbacks.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
- __weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_TxCpltCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Rx Transfer completed callbacks.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
-__weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_TxCpltCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief Rx Half Transfer completed callbacks.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
-__weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_TxCpltCallback could be implemented in the user file
- */
-}
-
-/**
- * @brief UART error callbacks.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
- __weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart)
-{
- /* NOTE: This function Should not be modified, when the callback is needed,
- the HAL_UART_ErrorCallback could be implemented in the user file
- */
-}
-
-/**
- * @}
- */
-
-/** @defgroup UART_Group3 Peripheral Control functions
- * @brief UART control functions
- *
-@verbatim
- ==============================================================================
- ##### Peripheral Control functions #####
- ==============================================================================
- [..]
- This subsection provides a set of functions allowing to control the UART:
- (+) HAL_LIN_SendBreak() API can be helpful to transmit the break character.
- (+) HAL_MultiProcessor_EnterMuteMode() API can be helpful to enter the UART in mute mode.
- (+) HAL_MultiProcessor_ExitMuteMode() API can be helpful to exit the UART mute mode by software.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Transmits break characters.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart)
-{
- /* Check the parameters */
- assert_param(IS_UART_INSTANCE(huart->Instance));
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Send break characters */
- huart->Instance->CR1 |= USART_CR1_SBK;
-
- huart->State = HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief Enters the UART in mute mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart)
-{
- /* Check the parameters */
- assert_param(IS_UART_INSTANCE(huart->Instance));
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Enable the USART mute mode by setting the RWU bit in the CR1 register */
- huart->Instance->CR1 |= USART_CR1_RWU;
-
- huart->State = HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief Exits the UART mute mode: wake up software.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart)
-{
- /* Check the parameters */
- assert_param(IS_UART_INSTANCE(huart->Instance));
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /* Disable the USART mute mode by clearing the RWU bit in the CR1 register */
- huart->Instance->CR1 &= (uint32_t)~((uint32_t)USART_CR1_RWU);
-
- huart->State = HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief Enables the UART transmitter and disables the UART receiver.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart)
-{
- uint32_t tmpreg = 0x00;
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /*-------------------------- USART CR1 Configuration -----------------------*/
- tmpreg = huart->Instance->CR1;
-
- /* Clear TE and RE bits */
- tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
-
- /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */
- tmpreg |= (uint32_t)USART_CR1_TE;
-
- /* Write to USART CR1 */
- huart->Instance->CR1 = (uint32_t)tmpreg;
-
- huart->State = HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @brief Enables the UART receiver and disables the UART transmitter.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart)
-{
- uint32_t tmpreg = 0x00;
-
- /* Process Locked */
- __HAL_LOCK(huart);
-
- huart->State = HAL_UART_STATE_BUSY;
-
- /*-------------------------- USART CR1 Configuration -----------------------*/
- tmpreg = huart->Instance->CR1;
-
- /* Clear TE and RE bits */
- tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE));
-
- /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */
- tmpreg |= (uint32_t)USART_CR1_RE;
-
- /* Write to USART CR1 */
- huart->Instance->CR1 = (uint32_t)tmpreg;
-
- huart->State = HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_OK;
-}
-
-/**
- * @}
- */
-
-/** @defgroup UART_Group4 Peripheral State and Errors functions
- * @brief UART State and Errors functions
- *
-@verbatim
- ==============================================================================
- ##### Peripheral State and Errors functions #####
- ==============================================================================
- [..]
- This subsection provides a set of functions allowing to return the State of
- UART communication process, return Peripheral Errors occurred during communication
- process
- (+) HAL_UART_GetState() API can be helpful to check in run-time the state of the UART peripheral.
- (+) HAL_UART_GetError() check in run-time errors that could be occurred during communication.
-
-@endverbatim
- * @{
- */
-
-/**
- * @brief Returns the UART state.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL state
- */
-HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart)
-{
- return huart->State;
-}
-
-/**
-* @brief Return the UART error code
-* @param huart : pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART.
-* @retval UART Error Code
-*/
-uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart)
-{
- return huart->ErrorCode;
-}
-
-/**
- * @}
- */
-
-/**
- * @brief DMA UART transmit process complete callback.
- * @param hdma: DMA handle
- * @retval None
- */
-static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma)
-{
- UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
- huart->TxXferCount = 0;
-
- /* Disable the DMA transfer for transmit request by setting the DMAT bit
- in the UART CR3 register */
- huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT);
-
- /* Wait for UART TC Flag */
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, UART_TIMEOUT_VALUE) != HAL_OK)
- {
- /* Timeout occurred */
- huart->State = HAL_UART_STATE_TIMEOUT;
- HAL_UART_ErrorCallback(huart);
- }
- else
- {
- /* No Timeout */
- /* Check if a receive process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_RX;
- }
- else
- {
- huart->State = HAL_UART_STATE_READY;
- }
- HAL_UART_TxCpltCallback(huart);
- }
-}
-
-/**
- * @brief DMA UART 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 UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma)
-{
- UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent;
-
- HAL_UART_TxHalfCpltCallback(huart);
-}
-
-/**
- * @brief DMA UART receive process complete callback.
- * @param hdma: DMA handle
- * @retval None
- */
-static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
-{
- UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
- huart->RxXferCount = 0;
-
- /* Disable the DMA transfer for the receiver request by setting the DMAR bit
- in the UART CR3 register */
- huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR);
-
- /* Check if a transmit process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX;
- }
- else
- {
- huart->State = HAL_UART_STATE_READY;
- }
- HAL_UART_RxCpltCallback(huart);
-}
-
-/**
- * @brief DMA UART 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 UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma)
-{
- UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent;
-
- HAL_UART_RxHalfCpltCallback(huart);
-}
-
-/**
- * @brief DMA UART communication error callback.
- * @param hdma: DMA handle
- * @retval None
- */
-static void UART_DMAError(DMA_HandleTypeDef *hdma)
-{
- UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
- huart->RxXferCount = 0;
- huart->TxXferCount = 0;
- huart->State= HAL_UART_STATE_READY;
- huart->ErrorCode |= HAL_UART_ERROR_DMA;
- HAL_UART_ErrorCallback(huart);
-}
-
-/**
- * @brief This function handles UART Communication Timeout.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @param Flag: specifies the UART flag to check.
- * @param Status: The new Flag status (SET or RESET).
- * @param Timeout: Timeout duration
- * @retval HAL status
- */
-static HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
-{
- uint32_t timeout = 0;
-
- timeout = HAL_GetTick() + Timeout;
-
- /* Wait until flag is set */
- if(Status == RESET)
- {
- while(__HAL_UART_GET_FLAG(huart, Flag) == RESET)
- {
- /* Check for the Timeout */
- if(Timeout != HAL_MAX_DELAY)
- {
- if(HAL_GetTick() >= timeout)
- {
- /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
- __HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
- __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
- __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
- __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
-
- huart->State= HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_TIMEOUT;
- }
- }
- }
- }
- else
- {
- while(__HAL_UART_GET_FLAG(huart, Flag) != RESET)
- {
- /* Check for the Timeout */
- if(Timeout != HAL_MAX_DELAY)
- {
- if(HAL_GetTick() >= timeout)
- {
- /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
- __HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
- __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
- __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
- __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
-
- huart->State= HAL_UART_STATE_READY;
-
- /* Process Unlocked */
- __HAL_UNLOCK(huart);
-
- return HAL_TIMEOUT;
- }
- }
- }
- }
- return HAL_OK;
-}
-
-/**
- * @brief Sends an amount of data in non blocking mode.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = huart->State;
- if((tmp1 == HAL_UART_STATE_BUSY_TX) || (tmp1 == HAL_UART_STATE_BUSY_TX_RX))
- {
- if(huart->Init.WordLength == UART_WORDLENGTH_9B)
- {
- tmp = (uint16_t*) huart->pTxBuffPtr;
- huart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF);
- if(huart->Init.Parity == UART_PARITY_NONE)
- {
- huart->pTxBuffPtr += 2;
- }
- else
- {
- huart->pTxBuffPtr += 1;
- }
- }
- else
- {
- huart->Instance->DR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0x00FF);
- }
-
- if(--huart->TxXferCount == 0)
- {
- /* Disable the UART Transmit Complete Interrupt */
- __HAL_UART_DISABLE_IT(huart, UART_IT_TC);
-
- /* Check if a receive process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_RX;
- }
- else
- {
- /* Disable the UART Parity Error Interrupt */
- __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
-
- /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
-
- huart->State = HAL_UART_STATE_READY;
- }
- HAL_UART_TxCpltCallback(huart);
-
- return HAL_OK;
- }
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-/**
- * @brief Receives an amount of data in non blocking mode
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval HAL status
- */
-static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart)
-{
- uint16_t* tmp;
- uint32_t tmp1 = 0;
-
- tmp1 = huart->State;
- if((tmp1 == HAL_UART_STATE_BUSY_RX) || (tmp1 == HAL_UART_STATE_BUSY_TX_RX))
- {
- if(huart->Init.WordLength == UART_WORDLENGTH_9B)
- {
- tmp = (uint16_t*) huart->pRxBuffPtr;
- if(huart->Init.Parity == UART_PARITY_NONE)
- {
- *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x01FF);
- huart->pRxBuffPtr += 2;
- }
- else
- {
- *tmp = (uint16_t)(huart->Instance->DR & (uint16_t)0x00FF);
- huart->pRxBuffPtr += 1;
- }
- }
- else
- {
- if(huart->Init.Parity == UART_PARITY_NONE)
- {
- *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x00FF);
- }
- else
- {
- *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->DR & (uint8_t)0x007F);
- }
- }
-
- if(--huart->RxXferCount == 0)
- {
- if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, SET, UART_TIMEOUT_VALUE) != HAL_OK)
- {
- return HAL_TIMEOUT;
- }
- __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
-
- /* Check if a transmit process is ongoing or not */
- if(huart->State == HAL_UART_STATE_BUSY_TX_RX)
- {
- huart->State = HAL_UART_STATE_BUSY_TX;
- }
- else
- {
- /* Disable the UART Parity Error Interrupt */
- __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
-
- /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
- __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
-
- huart->State = HAL_UART_STATE_READY;
- }
- HAL_UART_RxCpltCallback(huart);
-
- return HAL_OK;
- }
- return HAL_OK;
- }
- else
- {
- return HAL_BUSY;
- }
-}
-
-/**
- * @brief Configures the UART peripheral.
- * @param huart: pointer to a UART_HandleTypeDef structure that contains
- * the configuration information for the specified UART module.
- * @retval None
- */
-static void UART_SetConfig(UART_HandleTypeDef *huart)
-{
- uint32_t tmpreg = 0x00;
-
- /* Check the parameters */
- assert_param(IS_UART_INSTANCE(huart->Instance));
- assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate));
- assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength));
- assert_param(IS_UART_STOPBITS(huart->Init.StopBits));
- assert_param(IS_UART_PARITY(huart->Init.Parity));
- assert_param(IS_UART_MODE(huart->Init.Mode));
- assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl));
-
- /* The hardware flow control is available only for USART1, USART2, USART3 and USART6 */
- if(huart->Init.HwFlowCtl != UART_HWCONTROL_NONE)
- {
- assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance));
- }
-
- /*-------------------------- USART CR2 Configuration -----------------------*/
- tmpreg = huart->Instance->CR2;
-
- /* Clear STOP[13:12] bits */
- tmpreg &= (uint32_t)~((uint32_t)USART_CR2_STOP);
-
- /* Configure the UART Stop Bits: Set STOP[13:12] bits according to huart->Init.StopBits value */
- tmpreg |= (uint32_t)huart->Init.StopBits;
-
- /* Write to USART CR2 */
- huart->Instance->CR2 = (uint32_t)tmpreg;
-
- /*-------------------------- USART CR1 Configuration -----------------------*/
- tmpreg = huart->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 | USART_CR1_OVER8));
-
- /* Configure the UART Word Length, Parity and mode:
- Set the M bits according to huart->Init.WordLength value
- Set PCE and PS bits according to huart->Init.Parity value
- Set TE and RE bits according to huart->Init.Mode value
- Set OVER8 bit according to huart->Init.OverSampling value */
- tmpreg |= (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling;
-
- /* Write to USART CR1 */
- huart->Instance->CR1 = (uint32_t)tmpreg;
-
- /*-------------------------- USART CR3 Configuration -----------------------*/
- tmpreg = huart->Instance->CR3;
-
- /* Clear CTSE and RTSE bits */
- tmpreg &= (uint32_t)~((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE));
-
- /* Configure the UART HFC: Set CTSE and RTSE bits according to huart->Init.HwFlowCtl value */
- tmpreg |= huart->Init.HwFlowCtl;
-
- /* Write to USART CR3 */
- huart->Instance->CR3 = (uint32_t)tmpreg;
-
- /* Check the Over Sampling */
- if(huart->Init.OverSampling == UART_OVERSAMPLING_8)
- {
- /*-------------------------- USART BRR Configuration ---------------------*/
- if((huart->Instance == USART1) || (huart->Instance == USART6))
- {
- huart->Instance->BRR = __UART_BRR_SAMPLING8(HAL_RCC_GetPCLK2Freq(), huart->Init.BaudRate);
- }
- else
- {
- huart->Instance->BRR = __UART_BRR_SAMPLING8(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate);
- }
- }
- else
- {
- /*-------------------------- USART BRR Configuration ---------------------*/
- if((huart->Instance == USART1) || (huart->Instance == USART6))
- {
- huart->Instance->BRR = __UART_BRR_SAMPLING16(HAL_RCC_GetPCLK2Freq(), huart->Init.BaudRate);
- }
- else
- {
- huart->Instance->BRR = __UART_BRR_SAMPLING16(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate);
- }
- }
-}
-
-/**
- * @}
- */
-
-#endif /* HAL_UART_MODULE_ENABLED */
-/**
- * @}
- */
-
-/**
- * @}
- */
-
-/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
