mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

Committer:
<>
Date:
Fri Oct 28 11:17:30 2016 +0100
Revision:
149:156823d33999
Parent:
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_usart.c@144:ef7eb2e8f9f7
Child:
151:5eaa88a5bcc7
This updates the lib to the mbed lib v128

NOTE: This release includes a restructuring of the file and directory locations and thus some
include paths in your code may need updating accordingly.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32l0xx_hal_usart.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @version V1.5.0
<> 144:ef7eb2e8f9f7 6 * @date 8-January-2016
<> 144:ef7eb2e8f9f7 7 * @brief USART HAL module driver.
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 10 * functionalities of the Universal Synchronous/Asynchronous Receiver Transmitter
<> 144:ef7eb2e8f9f7 11 * Peripheral (USART).
<> 144:ef7eb2e8f9f7 12 * + Initialization and de-initialization functions
<> 144:ef7eb2e8f9f7 13 * + IO operation functions
<> 144:ef7eb2e8f9f7 14 * + Peripheral Control functions
<> 144:ef7eb2e8f9f7 15 *
<> 144:ef7eb2e8f9f7 16 @verbatim
<> 144:ef7eb2e8f9f7 17 ===============================================================================
<> 144:ef7eb2e8f9f7 18 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 19 ===============================================================================
<> 144:ef7eb2e8f9f7 20 [..]
<> 144:ef7eb2e8f9f7 21 The USART HAL driver can be used as follows:
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 (#) Declare a USART_HandleTypeDef handle structure.
<> 144:ef7eb2e8f9f7 24 (#) Initialize the USART low level resources by implement the HAL_USART_MspInit ()API:
<> 144:ef7eb2e8f9f7 25 (##) Enable the USARTx interface clock.
<> 144:ef7eb2e8f9f7 26 (##) USART pins configuration:
<> 144:ef7eb2e8f9f7 27 (+++) Enable the clock for the USART GPIOs.
<> 144:ef7eb2e8f9f7 28 (+++) Configure these USART pins as alternate function pull-up.
<> 144:ef7eb2e8f9f7 29 (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(),
<> 144:ef7eb2e8f9f7 30 HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs):
<> 144:ef7eb2e8f9f7 31 (+++) Configure the USARTx interrupt priority.
<> 144:ef7eb2e8f9f7 32 (+++) Enable the NVIC USART IRQ handle.
<> 144:ef7eb2e8f9f7 33 (@) The specific USART interrupts (Transmission complete interrupt,
<> 144:ef7eb2e8f9f7 34 RXNE interrupt and Error Interrupts) will be managed using the macros
<> 144:ef7eb2e8f9f7 35 __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process.
<> 144:ef7eb2e8f9f7 36 (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA()
<> 144:ef7eb2e8f9f7 37 HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs):
<> 144:ef7eb2e8f9f7 38 (+++) Declare a DMA handle structure for the Tx/Rx stream.
<> 144:ef7eb2e8f9f7 39 (+++) Enable the DMAx interface clock.
<> 144:ef7eb2e8f9f7 40 (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters.
<> 144:ef7eb2e8f9f7 41 (+++) Configure the DMA Tx/Rx Stream.
<> 144:ef7eb2e8f9f7 42 (+++) Associate the initilalized DMA handle to the USART DMA Tx/Rx handle.
<> 144:ef7eb2e8f9f7 43 (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx Stream.
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware
<> 144:ef7eb2e8f9f7 46 flow control and Mode(Receiver/Transmitter) in the husart Init structure.
<> 144:ef7eb2e8f9f7 47
<> 144:ef7eb2e8f9f7 48 (#) Initialize the USART registers by calling the HAL_USART_Init() API:
<> 144:ef7eb2e8f9f7 49 (+) These API's configures also the low level Hardware GPIO, CLOCK, CORTEX...etc)
<> 144:ef7eb2e8f9f7 50 by calling the customed HAL_USART_MspInit(&husart) API.
<> 144:ef7eb2e8f9f7 51
<> 144:ef7eb2e8f9f7 52 @endverbatim
<> 144:ef7eb2e8f9f7 53 ******************************************************************************
<> 144:ef7eb2e8f9f7 54 * @attention
<> 144:ef7eb2e8f9f7 55 *
<> 144:ef7eb2e8f9f7 56 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 57 *
<> 144:ef7eb2e8f9f7 58 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 59 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 60 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 61 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 62 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 63 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 64 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 65 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 66 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 67 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 68 *
<> 144:ef7eb2e8f9f7 69 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 70 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 71 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 72 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 73 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 74 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 75 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 76 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 77 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 78 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 79 *
<> 144:ef7eb2e8f9f7 80 ******************************************************************************
<> 144:ef7eb2e8f9f7 81 */
<> 144:ef7eb2e8f9f7 82
<> 144:ef7eb2e8f9f7 83 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 84 #include "stm32l0xx_hal.h"
<> 144:ef7eb2e8f9f7 85
<> 144:ef7eb2e8f9f7 86 /** @addtogroup STM32L0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 87 * @{
<> 144:ef7eb2e8f9f7 88 */
<> 144:ef7eb2e8f9f7 89
<> 144:ef7eb2e8f9f7 90 #ifdef HAL_USART_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 91
<> 144:ef7eb2e8f9f7 92 /** @addtogroup USART
<> 144:ef7eb2e8f9f7 93 * @brief USART Synchronous module driver
<> 144:ef7eb2e8f9f7 94 * @{
<> 144:ef7eb2e8f9f7 95 */
<> 144:ef7eb2e8f9f7 96
<> 144:ef7eb2e8f9f7 97 /** @addtogroup USART_Private
<> 144:ef7eb2e8f9f7 98 * @{
<> 144:ef7eb2e8f9f7 99 */
<> 144:ef7eb2e8f9f7 100
<> 144:ef7eb2e8f9f7 101 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 102 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 103 #define DUMMY_DATA ((uint16_t) 0xFFFF)
<> 144:ef7eb2e8f9f7 104 #define TEACK_REACK_TIMEOUT ((uint32_t) 1000)
<> 144:ef7eb2e8f9f7 105 #define HAL_USART_TXDMA_TIMEOUTVALUE ((uint32_t) 22000)
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107
<> 144:ef7eb2e8f9f7 108 #define USART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | \
<> 144:ef7eb2e8f9f7 109 USART_CR1_PS | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8))
<> 144:ef7eb2e8f9f7 110 #define USART_CR2_FIELDS ((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | \
<> 144:ef7eb2e8f9f7 111 USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP))
<> 144:ef7eb2e8f9f7 112 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 113 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 114 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 115 static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma);
<> 144:ef7eb2e8f9f7 116 static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma);
<> 144:ef7eb2e8f9f7 117 static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma);
<> 144:ef7eb2e8f9f7 118 static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma);
<> 144:ef7eb2e8f9f7 119 static void USART_DMAError(DMA_HandleTypeDef *hdma);
<> 144:ef7eb2e8f9f7 120 static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout);
<> 144:ef7eb2e8f9f7 121 static HAL_StatusTypeDef USART_SetConfig (USART_HandleTypeDef *husart);
<> 144:ef7eb2e8f9f7 122 static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart);
<> 144:ef7eb2e8f9f7 123 static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart);
<> 144:ef7eb2e8f9f7 124 static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart);
<> 144:ef7eb2e8f9f7 125 static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart);
<> 144:ef7eb2e8f9f7 126 static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart);
<> 144:ef7eb2e8f9f7 127
<> 144:ef7eb2e8f9f7 128 /**
<> 144:ef7eb2e8f9f7 129 * @}
<> 144:ef7eb2e8f9f7 130 */
<> 144:ef7eb2e8f9f7 131
<> 144:ef7eb2e8f9f7 132
<> 144:ef7eb2e8f9f7 133 /** @addtogroup USART_Exported_Functions
<> 144:ef7eb2e8f9f7 134 * @{
<> 144:ef7eb2e8f9f7 135 */
<> 144:ef7eb2e8f9f7 136
<> 144:ef7eb2e8f9f7 137 /** @addtogroup USART_Exported_Functions_Group1
<> 144:ef7eb2e8f9f7 138 * @brief Initialization and Configuration functions
<> 144:ef7eb2e8f9f7 139 *
<> 144:ef7eb2e8f9f7 140 @verbatim
<> 144:ef7eb2e8f9f7 141 ===============================================================================
<> 144:ef7eb2e8f9f7 142 ##### Initialization and Configuration functions #####
<> 144:ef7eb2e8f9f7 143 ===============================================================================
<> 144:ef7eb2e8f9f7 144 [..]
<> 144:ef7eb2e8f9f7 145 This subsection provides a set of functions allowing to initialize the USART
<> 144:ef7eb2e8f9f7 146 in asynchronous and in synchronous modes.
<> 144:ef7eb2e8f9f7 147 (+) For the asynchronous mode only these parameters can be configured:
<> 144:ef7eb2e8f9f7 148 (++) Baud Rate
<> 144:ef7eb2e8f9f7 149 (++) Word Length
<> 144:ef7eb2e8f9f7 150 (++) Stop Bit
<> 144:ef7eb2e8f9f7 151 (++) Parity: If the parity is enabled, then the MSB bit of the data written
<> 144:ef7eb2e8f9f7 152 in the data register is transmitted but is changed by the parity bit.
<> 144:ef7eb2e8f9f7 153 Depending on the frame length defined by the M bit (8-bits or 9-bits),
<> 144:ef7eb2e8f9f7 154 the possible USART frame formats are as listed in the following table:
<> 144:ef7eb2e8f9f7 155 +-------------------------------------------------------------+
<> 144:ef7eb2e8f9f7 156 | M0 bit | PCE bit | USART frame |
<> 144:ef7eb2e8f9f7 157 |---------------------|---------------------------------------|
<> 144:ef7eb2e8f9f7 158 | 0 | 0 | | SB | 8 bit data | STB | |
<> 144:ef7eb2e8f9f7 159 |---------|-----------|---------------------------------------|
<> 144:ef7eb2e8f9f7 160 | 0 | 1 | | SB | 7 bit data | PB | STB | |
<> 144:ef7eb2e8f9f7 161 |---------|-----------|---------------------------------------|
<> 144:ef7eb2e8f9f7 162 | 1 | 0 | | SB | 9 bit data | STB | |
<> 144:ef7eb2e8f9f7 163 |---------|-----------|---------------------------------------|
<> 144:ef7eb2e8f9f7 164 | 1 | 1 | | SB | 8 bit data | PB | STB | |
<> 144:ef7eb2e8f9f7 165 +-------------------------------------------------------------+
<> 144:ef7eb2e8f9f7 166 (++) USART polarity
<> 144:ef7eb2e8f9f7 167 (++) USART phase
<> 144:ef7eb2e8f9f7 168 (++) USART LastBit
<> 144:ef7eb2e8f9f7 169 (++) Receiver/transmitter modes
<> 144:ef7eb2e8f9f7 170
<> 144:ef7eb2e8f9f7 171 [..]
<> 144:ef7eb2e8f9f7 172 The HAL_USART_Init() function follows the USART synchronous configuration
<> 144:ef7eb2e8f9f7 173 procedure (details for the procedure are available in reference manual (RM0329)).
<> 144:ef7eb2e8f9f7 174
<> 144:ef7eb2e8f9f7 175 @endverbatim
<> 144:ef7eb2e8f9f7 176 * @{
<> 144:ef7eb2e8f9f7 177 */
<> 144:ef7eb2e8f9f7 178
<> 144:ef7eb2e8f9f7 179 /**
<> 144:ef7eb2e8f9f7 180 * @brief Initializes the USART mode according to the specified
<> 144:ef7eb2e8f9f7 181 * parameters in the USART_InitTypeDef and create the associated handle.
<> 144:ef7eb2e8f9f7 182 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 183 * @retval HAL status
<> 144:ef7eb2e8f9f7 184 */
<> 144:ef7eb2e8f9f7 185 HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 186 {
<> 144:ef7eb2e8f9f7 187 /* Check the USART handle allocation */
<> 144:ef7eb2e8f9f7 188 if(husart == NULL)
<> 144:ef7eb2e8f9f7 189 {
<> 144:ef7eb2e8f9f7 190 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 191 }
<> 144:ef7eb2e8f9f7 192
<> 144:ef7eb2e8f9f7 193 /* Check the parameters */
<> 144:ef7eb2e8f9f7 194 assert_param(IS_USART_INSTANCE(husart->Instance));
<> 144:ef7eb2e8f9f7 195
<> 144:ef7eb2e8f9f7 196 if(husart->State == HAL_USART_STATE_RESET)
<> 144:ef7eb2e8f9f7 197 {
<> 144:ef7eb2e8f9f7 198 /* Allocate lock resource and initialize it */
<> 144:ef7eb2e8f9f7 199 husart->Lock = HAL_UNLOCKED;
<> 144:ef7eb2e8f9f7 200
<> 144:ef7eb2e8f9f7 201 /* Init the low level hardware : GPIO, CLOCK, CORTEX */
<> 144:ef7eb2e8f9f7 202 HAL_USART_MspInit(husart);
<> 144:ef7eb2e8f9f7 203 }
<> 144:ef7eb2e8f9f7 204
<> 144:ef7eb2e8f9f7 205 husart->State = HAL_USART_STATE_BUSY;
<> 144:ef7eb2e8f9f7 206
<> 144:ef7eb2e8f9f7 207 /* Disable the Peripheral */
<> 144:ef7eb2e8f9f7 208 __HAL_USART_DISABLE(husart);
<> 144:ef7eb2e8f9f7 209
<> 144:ef7eb2e8f9f7 210 /* Set the Usart Communication parameters */
<> 144:ef7eb2e8f9f7 211 if (USART_SetConfig(husart) == HAL_ERROR)
<> 144:ef7eb2e8f9f7 212 {
<> 144:ef7eb2e8f9f7 213 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 214 }
<> 144:ef7eb2e8f9f7 215
<> 144:ef7eb2e8f9f7 216 /* In Synchronous mode, the following bits must be kept cleared:
<> 144:ef7eb2e8f9f7 217 - LINEN bit in the USART_CR2 register
<> 144:ef7eb2e8f9f7 218 - HDSEL, SCEN and IREN bits in the USART_CR3 register.*/
<> 144:ef7eb2e8f9f7 219 husart->Instance->CR2 &= ~USART_CR2_LINEN;
<> 144:ef7eb2e8f9f7 220 husart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN);
<> 144:ef7eb2e8f9f7 221
<> 144:ef7eb2e8f9f7 222 /* Enable the Peripharal */
<> 144:ef7eb2e8f9f7 223 __HAL_USART_ENABLE(husart);
<> 144:ef7eb2e8f9f7 224
<> 144:ef7eb2e8f9f7 225 /* TEACK and/or REACK to check before moving husart->State to Ready */
<> 144:ef7eb2e8f9f7 226 return (USART_CheckIdleState(husart));
<> 144:ef7eb2e8f9f7 227 }
<> 144:ef7eb2e8f9f7 228
<> 144:ef7eb2e8f9f7 229 /**
<> 144:ef7eb2e8f9f7 230 * @brief DeInitializes the USART peripheral.
<> 144:ef7eb2e8f9f7 231 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 232 * @retval HAL status
<> 144:ef7eb2e8f9f7 233 */
<> 144:ef7eb2e8f9f7 234 HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 235 {
<> 144:ef7eb2e8f9f7 236 /* Check the USART handle allocation */
<> 144:ef7eb2e8f9f7 237 if(husart == NULL)
<> 144:ef7eb2e8f9f7 238 {
<> 144:ef7eb2e8f9f7 239 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 240 }
<> 144:ef7eb2e8f9f7 241
<> 144:ef7eb2e8f9f7 242 /* Check the parameters */
<> 144:ef7eb2e8f9f7 243 assert_param(IS_USART_INSTANCE(husart->Instance));
<> 144:ef7eb2e8f9f7 244
<> 144:ef7eb2e8f9f7 245 husart->State = HAL_USART_STATE_BUSY;
<> 144:ef7eb2e8f9f7 246
<> 144:ef7eb2e8f9f7 247 husart->Instance->CR1 = 0x0;
<> 144:ef7eb2e8f9f7 248 husart->Instance->CR2 = 0x0;
<> 144:ef7eb2e8f9f7 249 husart->Instance->CR3 = 0x0;
<> 144:ef7eb2e8f9f7 250
<> 144:ef7eb2e8f9f7 251 /* DeInit the low level hardware */
<> 144:ef7eb2e8f9f7 252 HAL_USART_MspDeInit(husart);
<> 144:ef7eb2e8f9f7 253
<> 144:ef7eb2e8f9f7 254 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 255 husart->State = HAL_USART_STATE_RESET;
<> 144:ef7eb2e8f9f7 256
<> 144:ef7eb2e8f9f7 257 /* Release Lock */
<> 144:ef7eb2e8f9f7 258 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 259
<> 144:ef7eb2e8f9f7 260 return HAL_OK;
<> 144:ef7eb2e8f9f7 261 }
<> 144:ef7eb2e8f9f7 262
<> 144:ef7eb2e8f9f7 263 /**
<> 144:ef7eb2e8f9f7 264 * @brief USART MSP Init.
<> 144:ef7eb2e8f9f7 265 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 266 * @retval None
<> 144:ef7eb2e8f9f7 267 */
<> 144:ef7eb2e8f9f7 268 __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 269 {
<> 144:ef7eb2e8f9f7 270 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 271 UNUSED(husart);
<> 144:ef7eb2e8f9f7 272
<> 144:ef7eb2e8f9f7 273 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 274 the HAL_USART_MspInit could be implenetd in the user file
<> 144:ef7eb2e8f9f7 275 */
<> 144:ef7eb2e8f9f7 276 }
<> 144:ef7eb2e8f9f7 277
<> 144:ef7eb2e8f9f7 278 /**
<> 144:ef7eb2e8f9f7 279 * @brief USART MSP DeInit.
<> 144:ef7eb2e8f9f7 280 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 281 * @retval None
<> 144:ef7eb2e8f9f7 282 */
<> 144:ef7eb2e8f9f7 283 __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 284 {
<> 144:ef7eb2e8f9f7 285 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 286 UNUSED(husart);
<> 144:ef7eb2e8f9f7 287
<> 144:ef7eb2e8f9f7 288 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 289 the HAL_USART_MspDeInit could be implenetd in the user file
<> 144:ef7eb2e8f9f7 290 */
<> 144:ef7eb2e8f9f7 291 }
<> 144:ef7eb2e8f9f7 292
<> 144:ef7eb2e8f9f7 293 /**
<> 144:ef7eb2e8f9f7 294 * @}
<> 144:ef7eb2e8f9f7 295 */
<> 144:ef7eb2e8f9f7 296
<> 144:ef7eb2e8f9f7 297 /** @addtogroup USART_Exported_Functions_Group2
<> 144:ef7eb2e8f9f7 298 * @brief USART Transmit and Receive functions
<> 144:ef7eb2e8f9f7 299 *
<> 144:ef7eb2e8f9f7 300 @verbatim
<> 144:ef7eb2e8f9f7 301 ===============================================================================
<> 144:ef7eb2e8f9f7 302 ##### IO operation functions #####
<> 144:ef7eb2e8f9f7 303 ===============================================================================
<> 144:ef7eb2e8f9f7 304 [..]
<> 144:ef7eb2e8f9f7 305 This subsection provides a set of functions allowing to manage the USART synchronous
<> 144:ef7eb2e8f9f7 306 data transfers.
<> 144:ef7eb2e8f9f7 307
<> 144:ef7eb2e8f9f7 308 [..] The USART supports master mode only: it cannot receive or send data related to an input
<> 144:ef7eb2e8f9f7 309 clock (SCLK is always an output).
<> 144:ef7eb2e8f9f7 310
<> 144:ef7eb2e8f9f7 311 (#) There are two modes of transfer:
<> 144:ef7eb2e8f9f7 312 (++) Blocking mode: The communication is performed in polling mode.
<> 144:ef7eb2e8f9f7 313 The HAL status of all data processing is returned by the same function
<> 144:ef7eb2e8f9f7 314 after finishing transfer.
<> 144:ef7eb2e8f9f7 315 (++) No-Blocking mode: The communication is performed using Interrupts
<> 144:ef7eb2e8f9f7 316 or DMA, These API's return the HAL status.
<> 144:ef7eb2e8f9f7 317 The end of the data processing will be indicated through the
<> 144:ef7eb2e8f9f7 318 dedicated USART IRQ when using Interrupt mode or the DMA IRQ when
<> 144:ef7eb2e8f9f7 319 using DMA mode.
<> 144:ef7eb2e8f9f7 320 The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() user callbacks
<> 144:ef7eb2e8f9f7 321 will be executed respectivelly at the end of the transmit or Receive process
<> 144:ef7eb2e8f9f7 322 The HAL_USART_ErrorCallback()user callback will be executed when a communication error is detected.
<> 144:ef7eb2e8f9f7 323
<> 144:ef7eb2e8f9f7 324 (#) Blocking mode API's are :
<> 144:ef7eb2e8f9f7 325 (++) HAL_USART_Transmit()in simplex mode
<> 144:ef7eb2e8f9f7 326 (++) HAL_USART_Receive() in full duplex receive only
<> 144:ef7eb2e8f9f7 327 (++) HAL_USART_TransmitReceive() in full duplex mode
<> 144:ef7eb2e8f9f7 328
<> 144:ef7eb2e8f9f7 329 (#) Non-Blocking mode API's with Interrupt are :
<> 144:ef7eb2e8f9f7 330 (++) HAL_USART_Transmit_IT()in simplex mode
<> 144:ef7eb2e8f9f7 331 (++) HAL_USART_Receive_IT() in full duplex receive only
<> 144:ef7eb2e8f9f7 332 (++) HAL_USART_TransmitReceive_IT()in full duplex mode
<> 144:ef7eb2e8f9f7 333 (++) HAL_USART_IRQHandler()
<> 144:ef7eb2e8f9f7 334
<> 144:ef7eb2e8f9f7 335 (#) No-Blocking mode functions with DMA are :
<> 144:ef7eb2e8f9f7 336 (++) HAL_USART_Transmit_DMA()in simplex mode
<> 144:ef7eb2e8f9f7 337 (++) HAL_USART_Receive_DMA() in full duplex receive only
<> 144:ef7eb2e8f9f7 338 (++) HAL_USART_TransmitReceive_DMA() in full duplex mode
<> 144:ef7eb2e8f9f7 339 (++) HAL_USART_DMAPause()
<> 144:ef7eb2e8f9f7 340 (++) HAL_USART_DMAResume()
<> 144:ef7eb2e8f9f7 341 (++) HAL_USART_DMAStop()
<> 144:ef7eb2e8f9f7 342
<> 144:ef7eb2e8f9f7 343 (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode:
<> 144:ef7eb2e8f9f7 344 (++) HAL_USART_TxCpltCallback()
<> 144:ef7eb2e8f9f7 345 (++) HAL_USART_RxCpltCallback()
<> 144:ef7eb2e8f9f7 346 (++) HAL_USART_TxHalfCpltCallback()
<> 144:ef7eb2e8f9f7 347 (++) HAL_USART_RxHalfCpltCallback()
<> 144:ef7eb2e8f9f7 348 (++) HAL_USART_ErrorCallback()
<> 144:ef7eb2e8f9f7 349 (++) HAL_USART_TxRxCpltCallback()
<> 144:ef7eb2e8f9f7 350
<> 144:ef7eb2e8f9f7 351 @endverbatim
<> 144:ef7eb2e8f9f7 352 * @{
<> 144:ef7eb2e8f9f7 353 */
<> 144:ef7eb2e8f9f7 354
<> 144:ef7eb2e8f9f7 355 /**
<> 144:ef7eb2e8f9f7 356 * @brief Simplex Send an amount of data in blocking mode
<> 144:ef7eb2e8f9f7 357 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 358 * @param pTxData: Pointer to data buffer
<> 144:ef7eb2e8f9f7 359 * @param Size: Amount of data to be sent
<> 144:ef7eb2e8f9f7 360 * @param Timeout : Timeout duration
<> 144:ef7eb2e8f9f7 361 * @retval HAL status
<> 144:ef7eb2e8f9f7 362 */
<> 144:ef7eb2e8f9f7 363 HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout)
<> 144:ef7eb2e8f9f7 364 {
<> 144:ef7eb2e8f9f7 365 uint16_t* tmp;
<> 144:ef7eb2e8f9f7 366
<> 144:ef7eb2e8f9f7 367 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 368 {
<> 144:ef7eb2e8f9f7 369 if((pTxData == NULL) || (Size == 0))
<> 144:ef7eb2e8f9f7 370 {
<> 144:ef7eb2e8f9f7 371 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 372 }
<> 144:ef7eb2e8f9f7 373
<> 144:ef7eb2e8f9f7 374 /* Process Locked */
<> 144:ef7eb2e8f9f7 375 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 376
<> 144:ef7eb2e8f9f7 377 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 378 husart->State = HAL_USART_STATE_BUSY_TX;
<> 144:ef7eb2e8f9f7 379
<> 144:ef7eb2e8f9f7 380 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 381 husart->TxXferCount = Size;
<> 144:ef7eb2e8f9f7 382
<> 144:ef7eb2e8f9f7 383 /* Check the remaining data to be sent */
<> 144:ef7eb2e8f9f7 384 while(husart->TxXferCount > 0)
<> 144:ef7eb2e8f9f7 385 {
<> 144:ef7eb2e8f9f7 386 husart->TxXferCount--;
<> 144:ef7eb2e8f9f7 387 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK)
<> 144:ef7eb2e8f9f7 388 {
<> 144:ef7eb2e8f9f7 389 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 390 }
<> 144:ef7eb2e8f9f7 391 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 392 {
<> 144:ef7eb2e8f9f7 393 tmp = (uint16_t*) pTxData;
<> 144:ef7eb2e8f9f7 394 husart->Instance->TDR = (*tmp & (uint16_t)0x01FF);
<> 144:ef7eb2e8f9f7 395 pTxData += 2;
<> 144:ef7eb2e8f9f7 396 }
<> 144:ef7eb2e8f9f7 397 else
<> 144:ef7eb2e8f9f7 398 {
<> 144:ef7eb2e8f9f7 399 husart->Instance->TDR = (*pTxData++ & (uint8_t)0xFF);
<> 144:ef7eb2e8f9f7 400 }
<> 144:ef7eb2e8f9f7 401 }
<> 144:ef7eb2e8f9f7 402
<> 144:ef7eb2e8f9f7 403 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK)
<> 144:ef7eb2e8f9f7 404 {
<> 144:ef7eb2e8f9f7 405 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 406 }
<> 144:ef7eb2e8f9f7 407
<> 144:ef7eb2e8f9f7 408 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 409
<> 144:ef7eb2e8f9f7 410 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 411 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 412
<> 144:ef7eb2e8f9f7 413 return HAL_OK;
<> 144:ef7eb2e8f9f7 414 }
<> 144:ef7eb2e8f9f7 415 else
<> 144:ef7eb2e8f9f7 416 {
<> 144:ef7eb2e8f9f7 417 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 418 }
<> 144:ef7eb2e8f9f7 419 }
<> 144:ef7eb2e8f9f7 420
<> 144:ef7eb2e8f9f7 421 /**
<> 144:ef7eb2e8f9f7 422 * @brief Receive an amount of data in blocking mode
<> 144:ef7eb2e8f9f7 423 * To receive synchronous data, dummy data are simultaneously transmitted
<> 144:ef7eb2e8f9f7 424 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 425 * @param pRxData: pointer to data buffer
<> 144:ef7eb2e8f9f7 426 * @param Size: amount of data to be received
<> 144:ef7eb2e8f9f7 427 * @param Timeout : Timeout duration
<> 144:ef7eb2e8f9f7 428 * @retval HAL status
<> 144:ef7eb2e8f9f7 429 */
<> 144:ef7eb2e8f9f7 430 HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout)
<> 144:ef7eb2e8f9f7 431 {
<> 144:ef7eb2e8f9f7 432 uint16_t* tmp;
<> 144:ef7eb2e8f9f7 433 uint16_t uhMask;
<> 144:ef7eb2e8f9f7 434
<> 144:ef7eb2e8f9f7 435 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 436 {
<> 144:ef7eb2e8f9f7 437 if((pRxData == NULL) || (Size == 0))
<> 144:ef7eb2e8f9f7 438 {
<> 144:ef7eb2e8f9f7 439 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 440 }
<> 144:ef7eb2e8f9f7 441 /* Process Locked */
<> 144:ef7eb2e8f9f7 442 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 443
<> 144:ef7eb2e8f9f7 444 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 445 husart->State = HAL_USART_STATE_BUSY_RX;
<> 144:ef7eb2e8f9f7 446
<> 144:ef7eb2e8f9f7 447 husart->RxXferSize = Size;
<> 144:ef7eb2e8f9f7 448 husart->RxXferCount = Size;
<> 144:ef7eb2e8f9f7 449
<> 144:ef7eb2e8f9f7 450 /* Computation of USART mask to apply to RDR register */
<> 144:ef7eb2e8f9f7 451 USART_MASK_COMPUTATION(husart);
<> 144:ef7eb2e8f9f7 452 uhMask = husart->Mask;
<> 144:ef7eb2e8f9f7 453
<> 144:ef7eb2e8f9f7 454 /* as long as data have to be received */
<> 144:ef7eb2e8f9f7 455 while(husart->RxXferCount > 0)
<> 144:ef7eb2e8f9f7 456 {
<> 144:ef7eb2e8f9f7 457 husart->RxXferCount--;
<> 144:ef7eb2e8f9f7 458
<> 144:ef7eb2e8f9f7 459 /* Wait until TXE flag is set to send dummy byte in order to generate the
<> 144:ef7eb2e8f9f7 460 * clock for the slave to send data.
<> 144:ef7eb2e8f9f7 461 * Whatever the frame length (7, 8 or 9-bit long), the same dummy value
<> 144:ef7eb2e8f9f7 462 * can be written for all the cases. */
<> 144:ef7eb2e8f9f7 463 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK)
<> 144:ef7eb2e8f9f7 464 {
<> 144:ef7eb2e8f9f7 465 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 466 }
<> 144:ef7eb2e8f9f7 467 husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x0FF);
<> 144:ef7eb2e8f9f7 468
<> 144:ef7eb2e8f9f7 469 /* Wait for RXNE Flag */
<> 144:ef7eb2e8f9f7 470 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK)
<> 144:ef7eb2e8f9f7 471 {
<> 144:ef7eb2e8f9f7 472 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 473 }
<> 144:ef7eb2e8f9f7 474
<> 144:ef7eb2e8f9f7 475 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 476 {
<> 144:ef7eb2e8f9f7 477 tmp = (uint16_t*) pRxData ;
<> 144:ef7eb2e8f9f7 478 *tmp = (uint16_t)(husart->Instance->RDR & uhMask);
<> 144:ef7eb2e8f9f7 479 pRxData +=2;
<> 144:ef7eb2e8f9f7 480 }
<> 144:ef7eb2e8f9f7 481 else
<> 144:ef7eb2e8f9f7 482 {
<> 144:ef7eb2e8f9f7 483 *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask);
<> 144:ef7eb2e8f9f7 484 }
<> 144:ef7eb2e8f9f7 485 }
<> 144:ef7eb2e8f9f7 486
<> 144:ef7eb2e8f9f7 487 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 488
<> 144:ef7eb2e8f9f7 489 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 490 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 491
<> 144:ef7eb2e8f9f7 492 return HAL_OK;
<> 144:ef7eb2e8f9f7 493 }
<> 144:ef7eb2e8f9f7 494 else
<> 144:ef7eb2e8f9f7 495 {
<> 144:ef7eb2e8f9f7 496 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 497 }
<> 144:ef7eb2e8f9f7 498 }
<> 144:ef7eb2e8f9f7 499
<> 144:ef7eb2e8f9f7 500 /**
<> 144:ef7eb2e8f9f7 501 * @brief Full-Duplex Send and Receive an amount of data in blocking mode
<> 144:ef7eb2e8f9f7 502 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 503 * @param pTxData: pointer to TX data buffer
<> 144:ef7eb2e8f9f7 504 * @param pRxData: pointer to RX data buffer
<> 144:ef7eb2e8f9f7 505 * @param Size: amount of data to be sent (same amount to be received)
<> 144:ef7eb2e8f9f7 506 * @param Timeout : Timeout duration
<> 144:ef7eb2e8f9f7 507 * @retval HAL status
<> 144:ef7eb2e8f9f7 508 */
<> 144:ef7eb2e8f9f7 509 HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout)
<> 144:ef7eb2e8f9f7 510 {
<> 144:ef7eb2e8f9f7 511 uint16_t* tmp;
<> 144:ef7eb2e8f9f7 512 uint16_t uhMask;
<> 144:ef7eb2e8f9f7 513
<> 144:ef7eb2e8f9f7 514 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 515 {
<> 144:ef7eb2e8f9f7 516 if((pTxData == NULL) || (pRxData == NULL) || (Size == 0))
<> 144:ef7eb2e8f9f7 517 {
<> 144:ef7eb2e8f9f7 518 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 519 }
<> 144:ef7eb2e8f9f7 520 /* Process Locked */
<> 144:ef7eb2e8f9f7 521 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 522
<> 144:ef7eb2e8f9f7 523 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 524 husart->State = HAL_USART_STATE_BUSY_RX;
<> 144:ef7eb2e8f9f7 525
<> 144:ef7eb2e8f9f7 526 husart->RxXferSize = Size;
<> 144:ef7eb2e8f9f7 527 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 528 husart->TxXferCount = Size;
<> 144:ef7eb2e8f9f7 529 husart->RxXferCount = Size;
<> 144:ef7eb2e8f9f7 530
<> 144:ef7eb2e8f9f7 531 /* Computation of USART mask to apply to RDR register */
<> 144:ef7eb2e8f9f7 532 USART_MASK_COMPUTATION(husart);
<> 144:ef7eb2e8f9f7 533 uhMask = husart->Mask;
<> 144:ef7eb2e8f9f7 534
<> 144:ef7eb2e8f9f7 535 /* Check the remain data to be sent */
<> 144:ef7eb2e8f9f7 536 while(husart->TxXferCount > 0)
<> 144:ef7eb2e8f9f7 537 {
<> 144:ef7eb2e8f9f7 538 husart->TxXferCount--;
<> 144:ef7eb2e8f9f7 539 husart->RxXferCount--;
<> 144:ef7eb2e8f9f7 540
<> 144:ef7eb2e8f9f7 541 /* Wait until TXE flag is set to send data */
<> 144:ef7eb2e8f9f7 542 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK)
<> 144:ef7eb2e8f9f7 543 {
<> 144:ef7eb2e8f9f7 544 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 545 }
<> 144:ef7eb2e8f9f7 546 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 547 {
<> 144:ef7eb2e8f9f7 548 tmp = (uint16_t*) pTxData;
<> 144:ef7eb2e8f9f7 549 husart->Instance->TDR = (*tmp & uhMask);
<> 144:ef7eb2e8f9f7 550 pTxData += 2;
<> 144:ef7eb2e8f9f7 551 }
<> 144:ef7eb2e8f9f7 552 else
<> 144:ef7eb2e8f9f7 553 {
<> 144:ef7eb2e8f9f7 554 husart->Instance->TDR = (*pTxData++ & (uint8_t)uhMask);
<> 144:ef7eb2e8f9f7 555 }
<> 144:ef7eb2e8f9f7 556
<> 144:ef7eb2e8f9f7 557 /* Wait for RXNE Flag */
<> 144:ef7eb2e8f9f7 558 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK)
<> 144:ef7eb2e8f9f7 559 {
<> 144:ef7eb2e8f9f7 560 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 561 }
<> 144:ef7eb2e8f9f7 562
<> 144:ef7eb2e8f9f7 563 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 564 {
<> 144:ef7eb2e8f9f7 565 tmp = (uint16_t*) pRxData ;
<> 144:ef7eb2e8f9f7 566 *tmp = (uint16_t)(husart->Instance->RDR & uhMask);
<> 144:ef7eb2e8f9f7 567 pRxData +=2;
<> 144:ef7eb2e8f9f7 568 }
<> 144:ef7eb2e8f9f7 569 else
<> 144:ef7eb2e8f9f7 570 {
<> 144:ef7eb2e8f9f7 571 *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask);
<> 144:ef7eb2e8f9f7 572 }
<> 144:ef7eb2e8f9f7 573 }
<> 144:ef7eb2e8f9f7 574
<> 144:ef7eb2e8f9f7 575 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 576
<> 144:ef7eb2e8f9f7 577 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 578 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 579
<> 144:ef7eb2e8f9f7 580 return HAL_OK;
<> 144:ef7eb2e8f9f7 581 }
<> 144:ef7eb2e8f9f7 582 else
<> 144:ef7eb2e8f9f7 583 {
<> 144:ef7eb2e8f9f7 584 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 585 }
<> 144:ef7eb2e8f9f7 586 }
<> 144:ef7eb2e8f9f7 587
<> 144:ef7eb2e8f9f7 588 /**
<> 144:ef7eb2e8f9f7 589 * @brief Send an amount of data in interrupt mode
<> 144:ef7eb2e8f9f7 590 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 591 * @param pTxData: Pointer to data buffer
<> 144:ef7eb2e8f9f7 592 * @param Size: Amount of data to be sent
<> 144:ef7eb2e8f9f7 593 * @retval HAL status
<> 144:ef7eb2e8f9f7 594 */
<> 144:ef7eb2e8f9f7 595 HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size)
<> 144:ef7eb2e8f9f7 596 {
<> 144:ef7eb2e8f9f7 597 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 598 {
<> 144:ef7eb2e8f9f7 599 if((pTxData == NULL ) || (Size == 0))
<> 144:ef7eb2e8f9f7 600 {
<> 144:ef7eb2e8f9f7 601 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 602 }
<> 144:ef7eb2e8f9f7 603
<> 144:ef7eb2e8f9f7 604 /* Process Locked */
<> 144:ef7eb2e8f9f7 605 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 606
<> 144:ef7eb2e8f9f7 607 husart->pTxBuffPtr = pTxData;
<> 144:ef7eb2e8f9f7 608 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 609 husart->TxXferCount = Size;
<> 144:ef7eb2e8f9f7 610
<> 144:ef7eb2e8f9f7 611 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 612 husart->State = HAL_USART_STATE_BUSY_TX;
<> 144:ef7eb2e8f9f7 613
<> 144:ef7eb2e8f9f7 614 /* The USART Error Interrupts: (Frame error, noise error, overrun error)
<> 144:ef7eb2e8f9f7 615 are not managed by the USART Transmit Process to avoid the overrun interrupt
<> 144:ef7eb2e8f9f7 616 when the usart mode is configured for transmit and receive "USART_MODE_TX_RX"
<> 144:ef7eb2e8f9f7 617 to benefit for the frame error and noise interrupts the usart mode should be
<> 144:ef7eb2e8f9f7 618 configured only for transmit "USART_MODE_TX" */
<> 144:ef7eb2e8f9f7 619
<> 144:ef7eb2e8f9f7 620 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 621 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 622
<> 144:ef7eb2e8f9f7 623 /* Enable the USART Transmit Complete Interrupt */
<> 144:ef7eb2e8f9f7 624 __HAL_USART_ENABLE_IT(husart, USART_IT_TXE);
<> 144:ef7eb2e8f9f7 625
<> 144:ef7eb2e8f9f7 626 return HAL_OK;
<> 144:ef7eb2e8f9f7 627 }
<> 144:ef7eb2e8f9f7 628 else
<> 144:ef7eb2e8f9f7 629 {
<> 144:ef7eb2e8f9f7 630 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 631 }
<> 144:ef7eb2e8f9f7 632 }
<> 144:ef7eb2e8f9f7 633
<> 144:ef7eb2e8f9f7 634 /**
<> 144:ef7eb2e8f9f7 635 * @brief Receive an amount of data in blocking mode
<> 144:ef7eb2e8f9f7 636 * To receive synchronous data, dummy data are simultaneously transmitted
<> 144:ef7eb2e8f9f7 637 * @param husart: usart handle
<> 144:ef7eb2e8f9f7 638 * @param pRxData: pointer to data buffer
<> 144:ef7eb2e8f9f7 639 * @param Size: amount of data to be received
<> 144:ef7eb2e8f9f7 640 * @retval HAL status
<> 144:ef7eb2e8f9f7 641 */
<> 144:ef7eb2e8f9f7 642 HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size)
<> 144:ef7eb2e8f9f7 643 {
<> 144:ef7eb2e8f9f7 644 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 645 {
<> 144:ef7eb2e8f9f7 646 if((pRxData == NULL ) || (Size == 0))
<> 144:ef7eb2e8f9f7 647 {
<> 144:ef7eb2e8f9f7 648 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 649 }
<> 144:ef7eb2e8f9f7 650 /* Process Locked */
<> 144:ef7eb2e8f9f7 651 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 652
<> 144:ef7eb2e8f9f7 653 husart->pRxBuffPtr = pRxData;
<> 144:ef7eb2e8f9f7 654 husart->RxXferSize = Size;
<> 144:ef7eb2e8f9f7 655 husart->RxXferCount = Size;
<> 144:ef7eb2e8f9f7 656
<> 144:ef7eb2e8f9f7 657 USART_MASK_COMPUTATION(husart);
<> 144:ef7eb2e8f9f7 658
<> 144:ef7eb2e8f9f7 659 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 660 husart->State = HAL_USART_STATE_BUSY_RX;
<> 144:ef7eb2e8f9f7 661
<> 144:ef7eb2e8f9f7 662 /* Enable the USART Parity Error Interrupt */
<> 144:ef7eb2e8f9f7 663 __HAL_USART_ENABLE_IT(husart, USART_IT_PE);
<> 144:ef7eb2e8f9f7 664
<> 144:ef7eb2e8f9f7 665 /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */
<> 144:ef7eb2e8f9f7 666 __HAL_USART_ENABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 667
<> 144:ef7eb2e8f9f7 668 /* Enable the USART Data Register not empty Interrupt */
<> 144:ef7eb2e8f9f7 669 __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE);
<> 144:ef7eb2e8f9f7 670
<> 144:ef7eb2e8f9f7 671 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 672 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 673
<> 144:ef7eb2e8f9f7 674 /* Send dummy byte in order to generate the clock for the Slave to send the next data */
<> 144:ef7eb2e8f9f7 675 if(husart->Init.WordLength == USART_WORDLENGTH_9B)
<> 144:ef7eb2e8f9f7 676 {
<> 144:ef7eb2e8f9f7 677 husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x01FF);
<> 144:ef7eb2e8f9f7 678 }
<> 144:ef7eb2e8f9f7 679 else
<> 144:ef7eb2e8f9f7 680 {
<> 144:ef7eb2e8f9f7 681 husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x00FF);
<> 144:ef7eb2e8f9f7 682 }
<> 144:ef7eb2e8f9f7 683
<> 144:ef7eb2e8f9f7 684 return HAL_OK;
<> 144:ef7eb2e8f9f7 685 }
<> 144:ef7eb2e8f9f7 686 else
<> 144:ef7eb2e8f9f7 687 {
<> 144:ef7eb2e8f9f7 688 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 689 }
<> 144:ef7eb2e8f9f7 690 }
<> 144:ef7eb2e8f9f7 691
<> 144:ef7eb2e8f9f7 692 /**
<> 144:ef7eb2e8f9f7 693 * @brief Full-Duplex Send and Receive an amount of data in interrupt mode
<> 144:ef7eb2e8f9f7 694 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 695 * @param pTxData: pointer to TX data buffer
<> 144:ef7eb2e8f9f7 696 * @param pRxData: pointer to RX data buffer
<> 144:ef7eb2e8f9f7 697 * @param Size: amount of data to be sent (same amount to be received)
<> 144:ef7eb2e8f9f7 698 * @retval HAL status
<> 144:ef7eb2e8f9f7 699 */
<> 144:ef7eb2e8f9f7 700 HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size)
<> 144:ef7eb2e8f9f7 701 {
<> 144:ef7eb2e8f9f7 702 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 703 {
<> 144:ef7eb2e8f9f7 704 if((pTxData == NULL) || (pRxData == NULL) || (Size == 0))
<> 144:ef7eb2e8f9f7 705 {
<> 144:ef7eb2e8f9f7 706 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 707 }
<> 144:ef7eb2e8f9f7 708 /* Process Locked */
<> 144:ef7eb2e8f9f7 709 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 710
<> 144:ef7eb2e8f9f7 711 husart->pRxBuffPtr = pRxData;
<> 144:ef7eb2e8f9f7 712 husart->RxXferSize = Size;
<> 144:ef7eb2e8f9f7 713 husart->RxXferCount = Size;
<> 144:ef7eb2e8f9f7 714 husart->pTxBuffPtr = pTxData;
<> 144:ef7eb2e8f9f7 715 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 716 husart->TxXferCount = Size;
<> 144:ef7eb2e8f9f7 717
<> 144:ef7eb2e8f9f7 718 /* Computation of USART mask to apply to RDR register */
<> 144:ef7eb2e8f9f7 719 USART_MASK_COMPUTATION(husart);
<> 144:ef7eb2e8f9f7 720
<> 144:ef7eb2e8f9f7 721 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 722 husart->State = HAL_USART_STATE_BUSY_TX_RX;
<> 144:ef7eb2e8f9f7 723
<> 144:ef7eb2e8f9f7 724 /* Enable the USART Data Register not empty Interrupt */
<> 144:ef7eb2e8f9f7 725 __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE);
<> 144:ef7eb2e8f9f7 726
<> 144:ef7eb2e8f9f7 727 /* Enable the USART Parity Error Interrupt */
<> 144:ef7eb2e8f9f7 728 __HAL_USART_ENABLE_IT(husart, USART_IT_PE);
<> 144:ef7eb2e8f9f7 729
<> 144:ef7eb2e8f9f7 730 /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */
<> 144:ef7eb2e8f9f7 731 __HAL_USART_ENABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 732
<> 144:ef7eb2e8f9f7 733 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 734 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 735
<> 144:ef7eb2e8f9f7 736 /* Enable the USART Transmit Complete Interrupt */
<> 144:ef7eb2e8f9f7 737 __HAL_USART_ENABLE_IT(husart, USART_IT_TXE);
<> 144:ef7eb2e8f9f7 738
<> 144:ef7eb2e8f9f7 739 return HAL_OK;
<> 144:ef7eb2e8f9f7 740 }
<> 144:ef7eb2e8f9f7 741 else
<> 144:ef7eb2e8f9f7 742 {
<> 144:ef7eb2e8f9f7 743 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 744 }
<> 144:ef7eb2e8f9f7 745 }
<> 144:ef7eb2e8f9f7 746
<> 144:ef7eb2e8f9f7 747 /**
<> 144:ef7eb2e8f9f7 748 * @brief Send an amount of data in DMA mode
<> 144:ef7eb2e8f9f7 749 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 750 * @param pTxData: pointer to data buffer
<> 144:ef7eb2e8f9f7 751 * @param Size: amount of data to be sent
<> 144:ef7eb2e8f9f7 752 * @retval HAL status
<> 144:ef7eb2e8f9f7 753 */
<> 144:ef7eb2e8f9f7 754 HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size)
<> 144:ef7eb2e8f9f7 755 {
<> 144:ef7eb2e8f9f7 756 uint32_t *tmp;
<> 144:ef7eb2e8f9f7 757
<> 144:ef7eb2e8f9f7 758 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 759 {
<> 144:ef7eb2e8f9f7 760 if((pTxData == NULL ) || (Size == 0))
<> 144:ef7eb2e8f9f7 761 {
<> 144:ef7eb2e8f9f7 762 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 763 }
<> 144:ef7eb2e8f9f7 764 /* Process Locked */
<> 144:ef7eb2e8f9f7 765 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 766
<> 144:ef7eb2e8f9f7 767 husart->pTxBuffPtr = pTxData;
<> 144:ef7eb2e8f9f7 768 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 769 husart->TxXferCount = Size;
<> 144:ef7eb2e8f9f7 770
<> 144:ef7eb2e8f9f7 771 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 772 husart->State = HAL_USART_STATE_BUSY_TX;
<> 144:ef7eb2e8f9f7 773
<> 144:ef7eb2e8f9f7 774 /* Set the USART DMA transfer complete callback */
<> 144:ef7eb2e8f9f7 775 husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt;
<> 144:ef7eb2e8f9f7 776
<> 144:ef7eb2e8f9f7 777 /* Set the USART DMA Half transfer complete callback */
<> 144:ef7eb2e8f9f7 778 husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt;
<> 144:ef7eb2e8f9f7 779
<> 144:ef7eb2e8f9f7 780 /* Set the DMA error callback */
<> 144:ef7eb2e8f9f7 781 husart->hdmatx->XferErrorCallback = USART_DMAError;
<> 144:ef7eb2e8f9f7 782
<> 144:ef7eb2e8f9f7 783 /* Enable the USART transmit DMA channel */
<> 144:ef7eb2e8f9f7 784 tmp = (uint32_t*)&pTxData;
<> 144:ef7eb2e8f9f7 785 HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size);
<> 144:ef7eb2e8f9f7 786
<> 144:ef7eb2e8f9f7 787 /* Clear the TC flag in the SR register by writing 0 to it */
<> 144:ef7eb2e8f9f7 788 __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC);
<> 144:ef7eb2e8f9f7 789
<> 144:ef7eb2e8f9f7 790 /* Enable the DMA transfer for transmit request by setting the DMAT bit
<> 144:ef7eb2e8f9f7 791 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 792 husart->Instance->CR3 |= USART_CR3_DMAT;
<> 144:ef7eb2e8f9f7 793
<> 144:ef7eb2e8f9f7 794 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 795 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 796
<> 144:ef7eb2e8f9f7 797 return HAL_OK;
<> 144:ef7eb2e8f9f7 798 }
<> 144:ef7eb2e8f9f7 799 else
<> 144:ef7eb2e8f9f7 800 {
<> 144:ef7eb2e8f9f7 801 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 802 }
<> 144:ef7eb2e8f9f7 803 }
<> 144:ef7eb2e8f9f7 804
<> 144:ef7eb2e8f9f7 805 /**
<> 144:ef7eb2e8f9f7 806 * @brief Receive an amount of data in DMA mode
<> 144:ef7eb2e8f9f7 807 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 808 * @param pRxData: pointer to data buffer
<> 144:ef7eb2e8f9f7 809 * @param Size: amount of data to be received
<> 144:ef7eb2e8f9f7 810 * @note When the USART parity is enabled (PCE = 1), the received data contain
<> 144:ef7eb2e8f9f7 811 * the parity bit (MSB position)
<> 144:ef7eb2e8f9f7 812 * @retval HAL status
<> 144:ef7eb2e8f9f7 813 * @note The USART DMA transmit stream must be configured in order to generate the clock for the slave.
<> 144:ef7eb2e8f9f7 814 */
<> 144:ef7eb2e8f9f7 815 HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size)
<> 144:ef7eb2e8f9f7 816 {
<> 144:ef7eb2e8f9f7 817 uint32_t *tmp;
<> 144:ef7eb2e8f9f7 818
<> 144:ef7eb2e8f9f7 819 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 820 {
<> 144:ef7eb2e8f9f7 821 if((pRxData == NULL ) || (Size == 0))
<> 144:ef7eb2e8f9f7 822 {
<> 144:ef7eb2e8f9f7 823 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 824 }
<> 144:ef7eb2e8f9f7 825
<> 144:ef7eb2e8f9f7 826 /* Process Locked */
<> 144:ef7eb2e8f9f7 827 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 828
<> 144:ef7eb2e8f9f7 829 husart->pRxBuffPtr = pRxData;
<> 144:ef7eb2e8f9f7 830 husart->RxXferSize = Size;
<> 144:ef7eb2e8f9f7 831 husart->pTxBuffPtr = pRxData;
<> 144:ef7eb2e8f9f7 832 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 833
<> 144:ef7eb2e8f9f7 834 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 835 husart->State = HAL_USART_STATE_BUSY_RX;
<> 144:ef7eb2e8f9f7 836
<> 144:ef7eb2e8f9f7 837 /* Set the USART DMA Rx transfer complete callback */
<> 144:ef7eb2e8f9f7 838 husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt;
<> 144:ef7eb2e8f9f7 839
<> 144:ef7eb2e8f9f7 840 /* Set the USART DMA Half transfer complete callback */
<> 144:ef7eb2e8f9f7 841 husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt;
<> 144:ef7eb2e8f9f7 842
<> 144:ef7eb2e8f9f7 843 /* Set the USART DMA Rx transfer error callback */
<> 144:ef7eb2e8f9f7 844 husart->hdmarx->XferErrorCallback = USART_DMAError;
<> 144:ef7eb2e8f9f7 845
<> 144:ef7eb2e8f9f7 846 /* Enable the USART receive DMA Stream */
<> 144:ef7eb2e8f9f7 847 tmp = (uint32_t*)&pRxData;
<> 144:ef7eb2e8f9f7 848 HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size);
<> 144:ef7eb2e8f9f7 849
<> 144:ef7eb2e8f9f7 850 /* Enable the USART transmit DMA channel: the transmit channel is used in order
<> 144:ef7eb2e8f9f7 851 to generate in the non-blocking mode the clock to the slave device,
<> 144:ef7eb2e8f9f7 852 this mode isn't a simplex receive mode but a full-duplex receive mode */
<> 144:ef7eb2e8f9f7 853 tmp = (uint32_t*)&pRxData;
<> 144:ef7eb2e8f9f7 854 HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size);
<> 144:ef7eb2e8f9f7 855
<> 144:ef7eb2e8f9f7 856 /* Clear the Overrun flag just before enabling the DMA Rx request: mandatory for the second transfer
<> 144:ef7eb2e8f9f7 857 when using the USART in circular mode */
<> 144:ef7eb2e8f9f7 858 __HAL_USART_CLEAR_IT(husart, USART_CLEAR_OREF);
<> 144:ef7eb2e8f9f7 859
<> 144:ef7eb2e8f9f7 860 /* Enable the DMA transfer for the receiver request by setting the DMAR bit
<> 144:ef7eb2e8f9f7 861 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 862 husart->Instance->CR3 |= USART_CR3_DMAR;
<> 144:ef7eb2e8f9f7 863
<> 144:ef7eb2e8f9f7 864 /* Enable the DMA transfer for transmit request by setting the DMAT bit
<> 144:ef7eb2e8f9f7 865 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 866 husart->Instance->CR3 |= USART_CR3_DMAT;
<> 144:ef7eb2e8f9f7 867
<> 144:ef7eb2e8f9f7 868 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 869 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 870
<> 144:ef7eb2e8f9f7 871 return HAL_OK;
<> 144:ef7eb2e8f9f7 872 }
<> 144:ef7eb2e8f9f7 873 else
<> 144:ef7eb2e8f9f7 874 {
<> 144:ef7eb2e8f9f7 875 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 876 }
<> 144:ef7eb2e8f9f7 877 }
<> 144:ef7eb2e8f9f7 878
<> 144:ef7eb2e8f9f7 879 /**
<> 144:ef7eb2e8f9f7 880 * @brief Full-Duplex Transmit Receive an amount of data in non blocking mode
<> 144:ef7eb2e8f9f7 881 * @param husart: usart handle
<> 144:ef7eb2e8f9f7 882 * @param pTxData: pointer to TX data buffer
<> 144:ef7eb2e8f9f7 883 * @param pRxData: pointer to RX data buffer
<> 144:ef7eb2e8f9f7 884 * @param Size: amount of data to be received/sent
<> 144:ef7eb2e8f9f7 885 * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit.
<> 144:ef7eb2e8f9f7 886 * @retval HAL status
<> 144:ef7eb2e8f9f7 887 */
<> 144:ef7eb2e8f9f7 888 HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size)
<> 144:ef7eb2e8f9f7 889 {
<> 144:ef7eb2e8f9f7 890 uint32_t *tmp;
<> 144:ef7eb2e8f9f7 891
<> 144:ef7eb2e8f9f7 892 if(husart->State == HAL_USART_STATE_READY)
<> 144:ef7eb2e8f9f7 893 {
<> 144:ef7eb2e8f9f7 894 if((pTxData == NULL) || (pRxData == NULL) || (Size == 0))
<> 144:ef7eb2e8f9f7 895 {
<> 144:ef7eb2e8f9f7 896 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 897 }
<> 144:ef7eb2e8f9f7 898 /* Process Locked */
<> 144:ef7eb2e8f9f7 899 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 900
<> 144:ef7eb2e8f9f7 901 husart->pRxBuffPtr = pRxData;
<> 144:ef7eb2e8f9f7 902 husart->RxXferSize = Size;
<> 144:ef7eb2e8f9f7 903 husart->pTxBuffPtr = pTxData;
<> 144:ef7eb2e8f9f7 904 husart->TxXferSize = Size;
<> 144:ef7eb2e8f9f7 905
<> 144:ef7eb2e8f9f7 906 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 907 husart->State = HAL_USART_STATE_BUSY_TX_RX;
<> 144:ef7eb2e8f9f7 908
<> 144:ef7eb2e8f9f7 909 /* Set the USART DMA Rx transfer complete callback */
<> 144:ef7eb2e8f9f7 910 husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt;
<> 144:ef7eb2e8f9f7 911
<> 144:ef7eb2e8f9f7 912 /* Set the USART DMA Half transfer complete callback */
<> 144:ef7eb2e8f9f7 913 husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt;
<> 144:ef7eb2e8f9f7 914
<> 144:ef7eb2e8f9f7 915 /* Set the USART DMA Tx transfer complete callback */
<> 144:ef7eb2e8f9f7 916 husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt;
<> 144:ef7eb2e8f9f7 917
<> 144:ef7eb2e8f9f7 918 /* Set the USART DMA Half transfer complete callback */
<> 144:ef7eb2e8f9f7 919 husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt;
<> 144:ef7eb2e8f9f7 920
<> 144:ef7eb2e8f9f7 921 /* Set the USART DMA Tx transfer error callback */
<> 144:ef7eb2e8f9f7 922 husart->hdmatx->XferErrorCallback = USART_DMAError;
<> 144:ef7eb2e8f9f7 923
<> 144:ef7eb2e8f9f7 924 /* Set the USART DMA Rx transfer error callback */
<> 144:ef7eb2e8f9f7 925 husart->hdmarx->XferErrorCallback = USART_DMAError;
<> 144:ef7eb2e8f9f7 926
<> 144:ef7eb2e8f9f7 927 /* Enable the USART receive DMA Stream */
<> 144:ef7eb2e8f9f7 928 tmp = (uint32_t*)&pRxData;
<> 144:ef7eb2e8f9f7 929 HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size);
<> 144:ef7eb2e8f9f7 930
<> 144:ef7eb2e8f9f7 931 /* Enable the USART transmit DMA Stream */
<> 144:ef7eb2e8f9f7 932 tmp = (uint32_t*)&pTxData;
<> 144:ef7eb2e8f9f7 933 HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size);
<> 144:ef7eb2e8f9f7 934
<> 144:ef7eb2e8f9f7 935 /* Clear the Overrun flag: mandatory for the second transfer in circular mode */
<> 144:ef7eb2e8f9f7 936 __HAL_USART_CLEAR_IT(husart, USART_CLEAR_OREF);
<> 144:ef7eb2e8f9f7 937
<> 144:ef7eb2e8f9f7 938 /* Clear the TC flag in the SR register by writing 0 to it */
<> 144:ef7eb2e8f9f7 939 __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC);
<> 144:ef7eb2e8f9f7 940
<> 144:ef7eb2e8f9f7 941 /* Enable the DMA transfer for the receiver request by setting the DMAR bit
<> 144:ef7eb2e8f9f7 942 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 943 husart->Instance->CR3 |= USART_CR3_DMAR;
<> 144:ef7eb2e8f9f7 944
<> 144:ef7eb2e8f9f7 945 /* Enable the DMA transfer for transmit request by setting the DMAT bit
<> 144:ef7eb2e8f9f7 946 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 947 husart->Instance->CR3 |= USART_CR3_DMAT;
<> 144:ef7eb2e8f9f7 948
<> 144:ef7eb2e8f9f7 949 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 950 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 951
<> 144:ef7eb2e8f9f7 952 return HAL_OK;
<> 144:ef7eb2e8f9f7 953 }
<> 144:ef7eb2e8f9f7 954 else
<> 144:ef7eb2e8f9f7 955 {
<> 144:ef7eb2e8f9f7 956 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 957 }
<> 144:ef7eb2e8f9f7 958 }
<> 144:ef7eb2e8f9f7 959
<> 144:ef7eb2e8f9f7 960 /**
<> 144:ef7eb2e8f9f7 961 * @brief Pauses the DMA Transfer.
<> 144:ef7eb2e8f9f7 962 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 963 * @retval None
<> 144:ef7eb2e8f9f7 964 */
<> 144:ef7eb2e8f9f7 965 HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 966 {
<> 144:ef7eb2e8f9f7 967 /* Process Locked */
<> 144:ef7eb2e8f9f7 968 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 969
<> 144:ef7eb2e8f9f7 970 /* Disable the USART DMA Tx request */
<> 144:ef7eb2e8f9f7 971 husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT);
<> 144:ef7eb2e8f9f7 972
<> 144:ef7eb2e8f9f7 973 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 974 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 975
<> 144:ef7eb2e8f9f7 976 return HAL_OK;
<> 144:ef7eb2e8f9f7 977 }
<> 144:ef7eb2e8f9f7 978
<> 144:ef7eb2e8f9f7 979 /**
<> 144:ef7eb2e8f9f7 980 * @brief Resumes the DMA Transfer.
<> 144:ef7eb2e8f9f7 981 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 982 * @retval None
<> 144:ef7eb2e8f9f7 983 */
<> 144:ef7eb2e8f9f7 984 HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 985 {
<> 144:ef7eb2e8f9f7 986 /* Process Locked */
<> 144:ef7eb2e8f9f7 987 __HAL_LOCK(husart);
<> 144:ef7eb2e8f9f7 988
<> 144:ef7eb2e8f9f7 989 /* Enable the USART DMA Tx request */
<> 144:ef7eb2e8f9f7 990 husart->Instance->CR3 |= USART_CR3_DMAT;
<> 144:ef7eb2e8f9f7 991
<> 144:ef7eb2e8f9f7 992 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 993 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 994
<> 144:ef7eb2e8f9f7 995 return HAL_OK;
<> 144:ef7eb2e8f9f7 996 }
<> 144:ef7eb2e8f9f7 997
<> 144:ef7eb2e8f9f7 998 /**
<> 144:ef7eb2e8f9f7 999 * @brief Stops the DMA Transfer.
<> 144:ef7eb2e8f9f7 1000 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1001 * @retval None
<> 144:ef7eb2e8f9f7 1002 */
<> 144:ef7eb2e8f9f7 1003 HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1004 {
<> 144:ef7eb2e8f9f7 1005 /* The Lock is not implemented on this API to allow the user application
<> 144:ef7eb2e8f9f7 1006 to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback():
<> 144:ef7eb2e8f9f7 1007 when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated
<> 144:ef7eb2e8f9f7 1008 and the correspond call back is executed HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback()
<> 144:ef7eb2e8f9f7 1009 */
<> 144:ef7eb2e8f9f7 1010
<> 144:ef7eb2e8f9f7 1011 /* Abort the USART DMA tx Stream */
<> 144:ef7eb2e8f9f7 1012 if(husart->hdmatx != NULL)
<> 144:ef7eb2e8f9f7 1013 {
<> 144:ef7eb2e8f9f7 1014 HAL_DMA_Abort(husart->hdmatx);
<> 144:ef7eb2e8f9f7 1015 }
<> 144:ef7eb2e8f9f7 1016 /* Abort the USART DMA rx Stream */
<> 144:ef7eb2e8f9f7 1017 if(husart->hdmarx != NULL)
<> 144:ef7eb2e8f9f7 1018 {
<> 144:ef7eb2e8f9f7 1019 HAL_DMA_Abort(husart->hdmarx);
<> 144:ef7eb2e8f9f7 1020 }
<> 144:ef7eb2e8f9f7 1021
<> 144:ef7eb2e8f9f7 1022 /* Disable the USART Tx/Rx DMA requests */
<> 144:ef7eb2e8f9f7 1023 husart->Instance->CR3 &= ~USART_CR3_DMAT;
<> 144:ef7eb2e8f9f7 1024 husart->Instance->CR3 &= ~USART_CR3_DMAR;
<> 144:ef7eb2e8f9f7 1025
<> 144:ef7eb2e8f9f7 1026 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1027
<> 144:ef7eb2e8f9f7 1028 return HAL_OK;
<> 144:ef7eb2e8f9f7 1029 }
<> 144:ef7eb2e8f9f7 1030
<> 144:ef7eb2e8f9f7 1031 /**
<> 144:ef7eb2e8f9f7 1032 * @brief This function handles USART interrupt request.
<> 144:ef7eb2e8f9f7 1033 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1034 * @retval None
<> 144:ef7eb2e8f9f7 1035 */
<> 144:ef7eb2e8f9f7 1036 void HAL_USART_IRQHandler(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1037 {
<> 144:ef7eb2e8f9f7 1038
<> 144:ef7eb2e8f9f7 1039 /* USART parity error interrupt occured ------------------------------------*/
<> 144:ef7eb2e8f9f7 1040 if((__HAL_USART_GET_IT(husart, USART_IT_PE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE) != RESET))
<> 144:ef7eb2e8f9f7 1041 {
<> 144:ef7eb2e8f9f7 1042 __HAL_USART_CLEAR_PEFLAG(husart);
<> 144:ef7eb2e8f9f7 1043 husart->ErrorCode |= HAL_USART_ERROR_PE;
<> 144:ef7eb2e8f9f7 1044 /* Set the USART state ready to be able to start again the process */
<> 144:ef7eb2e8f9f7 1045 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1046 }
<> 144:ef7eb2e8f9f7 1047
<> 144:ef7eb2e8f9f7 1048 /* USART frame error interrupt occured -------------------------------------*/
<> 144:ef7eb2e8f9f7 1049 if((__HAL_USART_GET_IT(husart, USART_IT_FE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET))
<> 144:ef7eb2e8f9f7 1050 {
<> 144:ef7eb2e8f9f7 1051 __HAL_USART_CLEAR_FEFLAG(husart);
<> 144:ef7eb2e8f9f7 1052 husart->ErrorCode |= HAL_USART_ERROR_FE;
<> 144:ef7eb2e8f9f7 1053 /* Set the USART state ready to be able to start again the process */
<> 144:ef7eb2e8f9f7 1054 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1055 }
<> 144:ef7eb2e8f9f7 1056
<> 144:ef7eb2e8f9f7 1057 /* USART noise error interrupt occured -------------------------------------*/
<> 144:ef7eb2e8f9f7 1058 if((__HAL_USART_GET_IT(husart, USART_IT_NE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET))
<> 144:ef7eb2e8f9f7 1059 {
<> 144:ef7eb2e8f9f7 1060 __HAL_USART_CLEAR_NEFLAG(husart);
<> 144:ef7eb2e8f9f7 1061 husart->ErrorCode |= HAL_USART_ERROR_NE;
<> 144:ef7eb2e8f9f7 1062 /* Set the USART state ready to be able to start again the process */
<> 144:ef7eb2e8f9f7 1063 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1064 }
<> 144:ef7eb2e8f9f7 1065
<> 144:ef7eb2e8f9f7 1066 /* USART Over-Run interrupt occured ----------------------------------------*/
<> 144:ef7eb2e8f9f7 1067 if((__HAL_USART_GET_IT(husart, USART_IT_ORE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET))
<> 144:ef7eb2e8f9f7 1068 {
<> 144:ef7eb2e8f9f7 1069 __HAL_USART_CLEAR_OREFLAG(husart);
<> 144:ef7eb2e8f9f7 1070 husart->ErrorCode |= HAL_USART_ERROR_ORE;
<> 144:ef7eb2e8f9f7 1071 /* Set the USART state ready to be able to start again the process */
<> 144:ef7eb2e8f9f7 1072 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1073 }
<> 144:ef7eb2e8f9f7 1074
<> 144:ef7eb2e8f9f7 1075 /* Call USART Error Call back function if need be --------------------------*/
<> 144:ef7eb2e8f9f7 1076 if(husart->ErrorCode != HAL_USART_ERROR_NONE)
<> 144:ef7eb2e8f9f7 1077 {
<> 144:ef7eb2e8f9f7 1078 HAL_USART_ErrorCallback(husart);
<> 144:ef7eb2e8f9f7 1079 }
<> 144:ef7eb2e8f9f7 1080
<> 144:ef7eb2e8f9f7 1081 /* USART in mode Receiver --------------------------------------------------*/
<> 144:ef7eb2e8f9f7 1082 if((__HAL_USART_GET_IT(husart, USART_IT_RXNE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE) != RESET))
<> 144:ef7eb2e8f9f7 1083 {
<> 144:ef7eb2e8f9f7 1084 if(husart->State == HAL_USART_STATE_BUSY_RX)
<> 144:ef7eb2e8f9f7 1085 {
<> 144:ef7eb2e8f9f7 1086 USART_Receive_IT(husart);
<> 144:ef7eb2e8f9f7 1087 }
<> 144:ef7eb2e8f9f7 1088 else
<> 144:ef7eb2e8f9f7 1089 {
<> 144:ef7eb2e8f9f7 1090 USART_TransmitReceive_IT(husart);
<> 144:ef7eb2e8f9f7 1091 }
<> 144:ef7eb2e8f9f7 1092 }
<> 144:ef7eb2e8f9f7 1093
<> 144:ef7eb2e8f9f7 1094 /* USART in mode Transmitter -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 1095 if((__HAL_USART_GET_IT(husart, USART_IT_TXE) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE) != RESET))
<> 144:ef7eb2e8f9f7 1096 {
<> 144:ef7eb2e8f9f7 1097 if(husart->State == HAL_USART_STATE_BUSY_TX)
<> 144:ef7eb2e8f9f7 1098 {
<> 144:ef7eb2e8f9f7 1099 USART_Transmit_IT(husart);
<> 144:ef7eb2e8f9f7 1100 }
<> 144:ef7eb2e8f9f7 1101 else
<> 144:ef7eb2e8f9f7 1102 {
<> 144:ef7eb2e8f9f7 1103 USART_TransmitReceive_IT(husart);
<> 144:ef7eb2e8f9f7 1104 }
<> 144:ef7eb2e8f9f7 1105 }
<> 144:ef7eb2e8f9f7 1106
<> 144:ef7eb2e8f9f7 1107 /* USART in mode Transmitter (transmission end) -----------------------------*/
<> 144:ef7eb2e8f9f7 1108 if((__HAL_USART_GET_IT(husart, USART_IT_TC) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC) != RESET))
<> 144:ef7eb2e8f9f7 1109 {
<> 144:ef7eb2e8f9f7 1110 USART_EndTransmit_IT(husart);
<> 144:ef7eb2e8f9f7 1111 }
<> 144:ef7eb2e8f9f7 1112 }
<> 144:ef7eb2e8f9f7 1113
<> 144:ef7eb2e8f9f7 1114 /**
<> 144:ef7eb2e8f9f7 1115 * @brief Tx Transfer completed callbacks.
<> 144:ef7eb2e8f9f7 1116 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1117 * @retval None
<> 144:ef7eb2e8f9f7 1118 */
<> 144:ef7eb2e8f9f7 1119 __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1120 {
<> 144:ef7eb2e8f9f7 1121 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 1122 UNUSED(husart);
<> 144:ef7eb2e8f9f7 1123
<> 144:ef7eb2e8f9f7 1124 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 1125 the HAL_USART_TxCpltCallback could be implemented in the user file
<> 144:ef7eb2e8f9f7 1126 */
<> 144:ef7eb2e8f9f7 1127 }
<> 144:ef7eb2e8f9f7 1128
<> 144:ef7eb2e8f9f7 1129 /**
<> 144:ef7eb2e8f9f7 1130 * @brief Tx Half Transfer completed callbacks.
<> 144:ef7eb2e8f9f7 1131 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1132 * @retval None
<> 144:ef7eb2e8f9f7 1133 */
<> 144:ef7eb2e8f9f7 1134 __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1135 {
<> 144:ef7eb2e8f9f7 1136 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 1137 UNUSED(husart);
<> 144:ef7eb2e8f9f7 1138
<> 144:ef7eb2e8f9f7 1139 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 1140 the HAL_USART_TxCpltCallback could be implemented in the user file
<> 144:ef7eb2e8f9f7 1141 */
<> 144:ef7eb2e8f9f7 1142 }
<> 144:ef7eb2e8f9f7 1143
<> 144:ef7eb2e8f9f7 1144 /**
<> 144:ef7eb2e8f9f7 1145 * @brief Rx Transfer completed callbacks.
<> 144:ef7eb2e8f9f7 1146 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1147 * @retval None
<> 144:ef7eb2e8f9f7 1148 */
<> 144:ef7eb2e8f9f7 1149 __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1150 {
<> 144:ef7eb2e8f9f7 1151 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 1152 UNUSED(husart);
<> 144:ef7eb2e8f9f7 1153
<> 144:ef7eb2e8f9f7 1154 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 1155 the HAL_USART_TxCpltCallback could be implemented in the user file
<> 144:ef7eb2e8f9f7 1156 */
<> 144:ef7eb2e8f9f7 1157 }
<> 144:ef7eb2e8f9f7 1158
<> 144:ef7eb2e8f9f7 1159 /**
<> 144:ef7eb2e8f9f7 1160 * @brief Rx Half Transfer completed callbacks.
<> 144:ef7eb2e8f9f7 1161 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1162 * @retval None
<> 144:ef7eb2e8f9f7 1163 */
<> 144:ef7eb2e8f9f7 1164 __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1165 {
<> 144:ef7eb2e8f9f7 1166 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 1167 UNUSED(husart);
<> 144:ef7eb2e8f9f7 1168
<> 144:ef7eb2e8f9f7 1169 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 1170 the HAL_USART_TxCpltCallback could be implemented in the user file
<> 144:ef7eb2e8f9f7 1171 */
<> 144:ef7eb2e8f9f7 1172 }
<> 144:ef7eb2e8f9f7 1173
<> 144:ef7eb2e8f9f7 1174 /**
<> 144:ef7eb2e8f9f7 1175 * @brief Tx/Rx Transfers completed callback for the non-blocking process.
<> 144:ef7eb2e8f9f7 1176 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1177 * @retval None
<> 144:ef7eb2e8f9f7 1178 */
<> 144:ef7eb2e8f9f7 1179 __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1180 {
<> 144:ef7eb2e8f9f7 1181 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 1182 UNUSED(husart);
<> 144:ef7eb2e8f9f7 1183
<> 144:ef7eb2e8f9f7 1184 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 1185 the HAL_USART_TxCpltCallback could be implemented in the user file
<> 144:ef7eb2e8f9f7 1186 */
<> 144:ef7eb2e8f9f7 1187 }
<> 144:ef7eb2e8f9f7 1188
<> 144:ef7eb2e8f9f7 1189 /**
<> 144:ef7eb2e8f9f7 1190 * @brief USART error callbacks.
<> 144:ef7eb2e8f9f7 1191 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1192 * @retval None
<> 144:ef7eb2e8f9f7 1193 */
<> 144:ef7eb2e8f9f7 1194 __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1195 {
<> 144:ef7eb2e8f9f7 1196 /* Prevent unused argument(s) compilation warning */
<> 144:ef7eb2e8f9f7 1197 UNUSED(husart);
<> 144:ef7eb2e8f9f7 1198
<> 144:ef7eb2e8f9f7 1199 /* NOTE: This function Should not be modified, when the callback is needed,
<> 144:ef7eb2e8f9f7 1200 the HAL_USART_ErrorCallback could be implemented in the user file
<> 144:ef7eb2e8f9f7 1201 */
<> 144:ef7eb2e8f9f7 1202 }
<> 144:ef7eb2e8f9f7 1203
<> 144:ef7eb2e8f9f7 1204 /**
<> 144:ef7eb2e8f9f7 1205 * @}
<> 144:ef7eb2e8f9f7 1206 */
<> 144:ef7eb2e8f9f7 1207
<> 144:ef7eb2e8f9f7 1208 /** @addtogroup USART_Exported_Functions_Group3
<> 144:ef7eb2e8f9f7 1209 * @brief USART State functions
<> 144:ef7eb2e8f9f7 1210 *
<> 144:ef7eb2e8f9f7 1211 @verbatim
<> 144:ef7eb2e8f9f7 1212 ===============================================================================
<> 144:ef7eb2e8f9f7 1213 ##### Peripheral State functions #####
<> 144:ef7eb2e8f9f7 1214 ===============================================================================
<> 144:ef7eb2e8f9f7 1215 [..]
<> 144:ef7eb2e8f9f7 1216 This subsection provides a set of functions allowing to control the USART.
<> 144:ef7eb2e8f9f7 1217 (+) HAL_USART_GetState() API can be helpful to check in run-time the state of the USART peripheral.
<> 144:ef7eb2e8f9f7 1218 (+) HAL_USART_GetError() API can be helpful to check in run-time the Error Code of the USART peripheral.
<> 144:ef7eb2e8f9f7 1219 (+) USART_SetConfig() API is used to set the USART communication parameters.
<> 144:ef7eb2e8f9f7 1220 (+) USART_CheckIdleState() APi ensures that TEACK and/or REACK bits are set after initialization
<> 144:ef7eb2e8f9f7 1221
<> 144:ef7eb2e8f9f7 1222 @endverbatim
<> 144:ef7eb2e8f9f7 1223 * @{
<> 144:ef7eb2e8f9f7 1224 */
<> 144:ef7eb2e8f9f7 1225
<> 144:ef7eb2e8f9f7 1226 /**
<> 144:ef7eb2e8f9f7 1227 * @brief Returns the USART state.
<> 144:ef7eb2e8f9f7 1228 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1229 * @retval HAL state
<> 144:ef7eb2e8f9f7 1230 */
<> 144:ef7eb2e8f9f7 1231 HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1232 {
<> 144:ef7eb2e8f9f7 1233 return husart->State;
<> 144:ef7eb2e8f9f7 1234 }
<> 144:ef7eb2e8f9f7 1235
<> 144:ef7eb2e8f9f7 1236 /**
<> 144:ef7eb2e8f9f7 1237 * @brief Return the USART error code
<> 144:ef7eb2e8f9f7 1238 * @param husart : pointer to a USART_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 1239 * the configuration information for the specified USART.
<> 144:ef7eb2e8f9f7 1240 * @retval USART Error Code
<> 144:ef7eb2e8f9f7 1241 */
<> 144:ef7eb2e8f9f7 1242 uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1243 {
<> 144:ef7eb2e8f9f7 1244 return husart->ErrorCode;
<> 144:ef7eb2e8f9f7 1245 }
<> 144:ef7eb2e8f9f7 1246
<> 144:ef7eb2e8f9f7 1247 /**
<> 144:ef7eb2e8f9f7 1248 * @}
<> 144:ef7eb2e8f9f7 1249 */
<> 144:ef7eb2e8f9f7 1250
<> 144:ef7eb2e8f9f7 1251 /**
<> 144:ef7eb2e8f9f7 1252 * @}
<> 144:ef7eb2e8f9f7 1253 */
<> 144:ef7eb2e8f9f7 1254
<> 144:ef7eb2e8f9f7 1255 /** @addtogroup USART_Private
<> 144:ef7eb2e8f9f7 1256 * @{
<> 144:ef7eb2e8f9f7 1257 */
<> 144:ef7eb2e8f9f7 1258 /**
<> 144:ef7eb2e8f9f7 1259 * @brief This function handles USART Communication Timeout.
<> 144:ef7eb2e8f9f7 1260 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1261 * @param Flag: specifies the USART flag to check.
<> 144:ef7eb2e8f9f7 1262 * @param Status: The new Flag status (SET or RESET).
<> 144:ef7eb2e8f9f7 1263 * @param Timeout: Timeout duration
<> 144:ef7eb2e8f9f7 1264 * @retval HAL status
<> 144:ef7eb2e8f9f7 1265 */
<> 144:ef7eb2e8f9f7 1266 static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout)
<> 144:ef7eb2e8f9f7 1267 {
<> 144:ef7eb2e8f9f7 1268 uint32_t tickstart = 0x00;
<> 144:ef7eb2e8f9f7 1269 tickstart = HAL_GetTick();
<> 144:ef7eb2e8f9f7 1270
<> 144:ef7eb2e8f9f7 1271 /* Wait until flag is set */
<> 144:ef7eb2e8f9f7 1272 if(Status == RESET)
<> 144:ef7eb2e8f9f7 1273 {
<> 144:ef7eb2e8f9f7 1274 while(__HAL_USART_GET_FLAG(husart, Flag) == RESET)
<> 144:ef7eb2e8f9f7 1275 {
<> 144:ef7eb2e8f9f7 1276 /* Check for the Timeout */
<> 144:ef7eb2e8f9f7 1277 if(Timeout != HAL_MAX_DELAY)
<> 144:ef7eb2e8f9f7 1278 {
<> 144:ef7eb2e8f9f7 1279 if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
<> 144:ef7eb2e8f9f7 1280 {
<> 144:ef7eb2e8f9f7 1281 /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
<> 144:ef7eb2e8f9f7 1282 __HAL_USART_DISABLE_IT(husart, USART_IT_TXE);
<> 144:ef7eb2e8f9f7 1283 __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE);
<> 144:ef7eb2e8f9f7 1284 __HAL_USART_DISABLE_IT(husart, USART_IT_PE);
<> 144:ef7eb2e8f9f7 1285 __HAL_USART_DISABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 1286
<> 144:ef7eb2e8f9f7 1287 husart->State= HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1288
<> 144:ef7eb2e8f9f7 1289 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 1290 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 1291
<> 144:ef7eb2e8f9f7 1292 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 1293 }
<> 144:ef7eb2e8f9f7 1294 }
<> 144:ef7eb2e8f9f7 1295 }
<> 144:ef7eb2e8f9f7 1296 }
<> 144:ef7eb2e8f9f7 1297 else
<> 144:ef7eb2e8f9f7 1298 {
<> 144:ef7eb2e8f9f7 1299 while(__HAL_USART_GET_FLAG(husart, Flag) != RESET)
<> 144:ef7eb2e8f9f7 1300 {
<> 144:ef7eb2e8f9f7 1301 /* Check for the Timeout */
<> 144:ef7eb2e8f9f7 1302 if(Timeout != HAL_MAX_DELAY)
<> 144:ef7eb2e8f9f7 1303 {
<> 144:ef7eb2e8f9f7 1304 if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout))
<> 144:ef7eb2e8f9f7 1305 {
<> 144:ef7eb2e8f9f7 1306 /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */
<> 144:ef7eb2e8f9f7 1307 __HAL_USART_DISABLE_IT(husart, USART_IT_TXE);
<> 144:ef7eb2e8f9f7 1308 __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE);
<> 144:ef7eb2e8f9f7 1309 __HAL_USART_DISABLE_IT(husart, USART_IT_PE);
<> 144:ef7eb2e8f9f7 1310 __HAL_USART_DISABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 1311
<> 144:ef7eb2e8f9f7 1312 husart->State= HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1313
<> 144:ef7eb2e8f9f7 1314 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 1315 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 1316
<> 144:ef7eb2e8f9f7 1317 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 1318 }
<> 144:ef7eb2e8f9f7 1319 }
<> 144:ef7eb2e8f9f7 1320 }
<> 144:ef7eb2e8f9f7 1321 }
<> 144:ef7eb2e8f9f7 1322 return HAL_OK;
<> 144:ef7eb2e8f9f7 1323 }
<> 144:ef7eb2e8f9f7 1324
<> 144:ef7eb2e8f9f7 1325 /**
<> 144:ef7eb2e8f9f7 1326 * @brief DMA USART transmit process complete callback.
<> 144:ef7eb2e8f9f7 1327 * @param hdma: DMA handle
<> 144:ef7eb2e8f9f7 1328 * @retval None
<> 144:ef7eb2e8f9f7 1329 */
<> 144:ef7eb2e8f9f7 1330 static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma)
<> 144:ef7eb2e8f9f7 1331 {
<> 144:ef7eb2e8f9f7 1332 USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
<> 144:ef7eb2e8f9f7 1333
<> 144:ef7eb2e8f9f7 1334 /* DMA Normal mode */
<> 144:ef7eb2e8f9f7 1335 if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) )
<> 144:ef7eb2e8f9f7 1336 {
<> 144:ef7eb2e8f9f7 1337 husart->TxXferCount = 0;
<> 144:ef7eb2e8f9f7 1338
<> 144:ef7eb2e8f9f7 1339 if(husart->State == HAL_USART_STATE_BUSY_TX)
<> 144:ef7eb2e8f9f7 1340 {
<> 144:ef7eb2e8f9f7 1341 /* Disable the DMA transfer for transmit request by resetting the DMAT bit
<> 144:ef7eb2e8f9f7 1342 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 1343 husart->Instance->CR3 &= ~(USART_CR3_DMAT);
<> 144:ef7eb2e8f9f7 1344
<> 144:ef7eb2e8f9f7 1345 /* Enable the USART Transmit Complete Interrupt */
<> 144:ef7eb2e8f9f7 1346 __HAL_USART_ENABLE_IT(husart, USART_IT_TC);
<> 144:ef7eb2e8f9f7 1347 }
<> 144:ef7eb2e8f9f7 1348 }
<> 144:ef7eb2e8f9f7 1349 /* DMA Circular mode */
<> 144:ef7eb2e8f9f7 1350 else
<> 144:ef7eb2e8f9f7 1351 {
<> 144:ef7eb2e8f9f7 1352 if(husart->State == HAL_USART_STATE_BUSY_TX)
<> 144:ef7eb2e8f9f7 1353 {
<> 144:ef7eb2e8f9f7 1354 HAL_USART_TxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1355 }
<> 144:ef7eb2e8f9f7 1356 }
<> 144:ef7eb2e8f9f7 1357 }
<> 144:ef7eb2e8f9f7 1358
<> 144:ef7eb2e8f9f7 1359 /**
<> 144:ef7eb2e8f9f7 1360 * @brief DMA USART transmit process half complete callback
<> 144:ef7eb2e8f9f7 1361 * @param hdma : DMA handle
<> 144:ef7eb2e8f9f7 1362 * @retval None
<> 144:ef7eb2e8f9f7 1363 */
<> 144:ef7eb2e8f9f7 1364 static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma)
<> 144:ef7eb2e8f9f7 1365 {
<> 144:ef7eb2e8f9f7 1366 USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent;
<> 144:ef7eb2e8f9f7 1367
<> 144:ef7eb2e8f9f7 1368 HAL_USART_TxHalfCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1369 }
<> 144:ef7eb2e8f9f7 1370
<> 144:ef7eb2e8f9f7 1371 /**
<> 144:ef7eb2e8f9f7 1372 * @brief DMA USART receive process complete callback.
<> 144:ef7eb2e8f9f7 1373 * @param hdma: DMA handle
<> 144:ef7eb2e8f9f7 1374 * @retval None
<> 144:ef7eb2e8f9f7 1375 */
<> 144:ef7eb2e8f9f7 1376 static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma)
<> 144:ef7eb2e8f9f7 1377 {
<> 144:ef7eb2e8f9f7 1378 USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
<> 144:ef7eb2e8f9f7 1379 /* DMA Normal mode */
<> 144:ef7eb2e8f9f7 1380 if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0)
<> 144:ef7eb2e8f9f7 1381 {
<> 144:ef7eb2e8f9f7 1382 husart->RxXferCount = 0;
<> 144:ef7eb2e8f9f7 1383
<> 144:ef7eb2e8f9f7 1384 if(husart->State == HAL_USART_STATE_BUSY_RX)
<> 144:ef7eb2e8f9f7 1385 {
<> 144:ef7eb2e8f9f7 1386 /* Disable the DMA transfer for the Transmit/receiver requests by setting the DMAT/DMAR bit
<> 144:ef7eb2e8f9f7 1387 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 1388 husart->Instance->CR3 &= ~(USART_CR3_DMAR);
<> 144:ef7eb2e8f9f7 1389
<> 144:ef7eb2e8f9f7 1390 husart->State= HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1391 HAL_USART_RxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1392 }
<> 144:ef7eb2e8f9f7 1393 /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/
<> 144:ef7eb2e8f9f7 1394 else
<> 144:ef7eb2e8f9f7 1395 {
<> 144:ef7eb2e8f9f7 1396 /* Disable the DMA transfer for the Transmit/receiver requests by setting the DMAT/DMAR bit
<> 144:ef7eb2e8f9f7 1397 in the USART CR3 register */
<> 144:ef7eb2e8f9f7 1398 husart->Instance->CR3 &= ~(USART_CR3_DMAR);
<> 144:ef7eb2e8f9f7 1399 husart->Instance->CR3 &= ~(USART_CR3_DMAT);
<> 144:ef7eb2e8f9f7 1400
<> 144:ef7eb2e8f9f7 1401 husart->State= HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1402 HAL_USART_TxRxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1403 }
<> 144:ef7eb2e8f9f7 1404 }
<> 144:ef7eb2e8f9f7 1405 /* DMA circular mode */
<> 144:ef7eb2e8f9f7 1406 else
<> 144:ef7eb2e8f9f7 1407 {
<> 144:ef7eb2e8f9f7 1408 if(husart->State == HAL_USART_STATE_BUSY_RX)
<> 144:ef7eb2e8f9f7 1409 {
<> 144:ef7eb2e8f9f7 1410 HAL_USART_RxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1411 }
<> 144:ef7eb2e8f9f7 1412 /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/
<> 144:ef7eb2e8f9f7 1413 else
<> 144:ef7eb2e8f9f7 1414 {
<> 144:ef7eb2e8f9f7 1415 HAL_USART_TxRxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1416 }
<> 144:ef7eb2e8f9f7 1417 }
<> 144:ef7eb2e8f9f7 1418 }
<> 144:ef7eb2e8f9f7 1419
<> 144:ef7eb2e8f9f7 1420 /**
<> 144:ef7eb2e8f9f7 1421 * @brief DMA USART receive process half complete callback
<> 144:ef7eb2e8f9f7 1422 * @param hdma : DMA handle
<> 144:ef7eb2e8f9f7 1423 * @retval None
<> 144:ef7eb2e8f9f7 1424 */
<> 144:ef7eb2e8f9f7 1425 static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma)
<> 144:ef7eb2e8f9f7 1426 {
<> 144:ef7eb2e8f9f7 1427 USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent;
<> 144:ef7eb2e8f9f7 1428
<> 144:ef7eb2e8f9f7 1429 HAL_USART_RxHalfCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1430 }
<> 144:ef7eb2e8f9f7 1431
<> 144:ef7eb2e8f9f7 1432 /**
<> 144:ef7eb2e8f9f7 1433 * @brief DMA USART communication error callback.
<> 144:ef7eb2e8f9f7 1434 * @param hdma: DMA handle
<> 144:ef7eb2e8f9f7 1435 * @retval None
<> 144:ef7eb2e8f9f7 1436 */
<> 144:ef7eb2e8f9f7 1437 static void USART_DMAError(DMA_HandleTypeDef *hdma)
<> 144:ef7eb2e8f9f7 1438 {
<> 144:ef7eb2e8f9f7 1439 USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
<> 144:ef7eb2e8f9f7 1440
<> 144:ef7eb2e8f9f7 1441 husart->RxXferCount = 0;
<> 144:ef7eb2e8f9f7 1442 husart->TxXferCount = 0;
<> 144:ef7eb2e8f9f7 1443 husart->ErrorCode |= HAL_USART_ERROR_DMA;
<> 144:ef7eb2e8f9f7 1444 husart->State= HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1445
<> 144:ef7eb2e8f9f7 1446 HAL_USART_ErrorCallback(husart);
<> 144:ef7eb2e8f9f7 1447 }
<> 144:ef7eb2e8f9f7 1448
<> 144:ef7eb2e8f9f7 1449 /**
<> 144:ef7eb2e8f9f7 1450 * @brief Simplex Send an amount of data in non-blocking mode.
<> 144:ef7eb2e8f9f7 1451 * Function called under interruption only, once
<> 144:ef7eb2e8f9f7 1452 * interruptions have been enabled by HAL_USART_Transmit_IT()
<> 144:ef7eb2e8f9f7 1453 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1454 * @retval HAL status
<> 144:ef7eb2e8f9f7 1455 * @note The USART errors are not managed to avoid the overrun error.
<> 144:ef7eb2e8f9f7 1456 */
<> 144:ef7eb2e8f9f7 1457 static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1458 {
<> 144:ef7eb2e8f9f7 1459 uint16_t* tmp = 0;
<> 144:ef7eb2e8f9f7 1460
<> 144:ef7eb2e8f9f7 1461 if(husart->State == HAL_USART_STATE_BUSY_TX)
<> 144:ef7eb2e8f9f7 1462 {
<> 144:ef7eb2e8f9f7 1463 if(husart->TxXferCount == 0)
<> 144:ef7eb2e8f9f7 1464 {
<> 144:ef7eb2e8f9f7 1465 /* Disable the USART Transmit Complete Interrupt */
<> 144:ef7eb2e8f9f7 1466 __HAL_USART_DISABLE_IT(husart, USART_IT_TXE);
<> 144:ef7eb2e8f9f7 1467
<> 144:ef7eb2e8f9f7 1468 /* Enable the USART Transmit Complete Interrupt */
<> 144:ef7eb2e8f9f7 1469 __HAL_USART_ENABLE_IT(husart, USART_IT_TC);
<> 144:ef7eb2e8f9f7 1470
<> 144:ef7eb2e8f9f7 1471 return HAL_OK;
<> 144:ef7eb2e8f9f7 1472 }
<> 144:ef7eb2e8f9f7 1473 else
<> 144:ef7eb2e8f9f7 1474 {
<> 144:ef7eb2e8f9f7 1475 if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 1476 {
<> 144:ef7eb2e8f9f7 1477 tmp = (uint16_t*) husart->pTxBuffPtr;
<> 144:ef7eb2e8f9f7 1478 husart->Instance->TDR = (*tmp & (uint16_t)0x01FF);
<> 144:ef7eb2e8f9f7 1479 husart->pTxBuffPtr += 2;
<> 144:ef7eb2e8f9f7 1480 }
<> 144:ef7eb2e8f9f7 1481 else
<> 144:ef7eb2e8f9f7 1482 {
<> 144:ef7eb2e8f9f7 1483 husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0xFF);
<> 144:ef7eb2e8f9f7 1484 }
<> 144:ef7eb2e8f9f7 1485
<> 144:ef7eb2e8f9f7 1486 husart->TxXferCount--;
<> 144:ef7eb2e8f9f7 1487
<> 144:ef7eb2e8f9f7 1488 return HAL_OK;
<> 144:ef7eb2e8f9f7 1489 }
<> 144:ef7eb2e8f9f7 1490 }
<> 144:ef7eb2e8f9f7 1491 else
<> 144:ef7eb2e8f9f7 1492 {
<> 144:ef7eb2e8f9f7 1493 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 1494 }
<> 144:ef7eb2e8f9f7 1495 }
<> 144:ef7eb2e8f9f7 1496
<> 144:ef7eb2e8f9f7 1497 /**
<> 144:ef7eb2e8f9f7 1498 * @brief Wraps up transmission in non blocking mode.
<> 144:ef7eb2e8f9f7 1499 * @param husart: pointer to a USART_HandleTypeDef structure that contains
<> 144:ef7eb2e8f9f7 1500 * the configuration information for the specified USART module.
<> 144:ef7eb2e8f9f7 1501 * @retval HAL status
<> 144:ef7eb2e8f9f7 1502 */
<> 144:ef7eb2e8f9f7 1503 static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1504 {
<> 144:ef7eb2e8f9f7 1505 /* Disable the USART Transmit Complete Interrupt */
<> 144:ef7eb2e8f9f7 1506 __HAL_USART_DISABLE_IT(husart, USART_IT_TC);
<> 144:ef7eb2e8f9f7 1507
<> 144:ef7eb2e8f9f7 1508 /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */
<> 144:ef7eb2e8f9f7 1509 __HAL_USART_DISABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 1510
<> 144:ef7eb2e8f9f7 1511 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1512
<> 144:ef7eb2e8f9f7 1513 HAL_USART_TxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1514
<> 144:ef7eb2e8f9f7 1515 return HAL_OK;
<> 144:ef7eb2e8f9f7 1516 }
<> 144:ef7eb2e8f9f7 1517
<> 144:ef7eb2e8f9f7 1518 /**
<> 144:ef7eb2e8f9f7 1519 * @brief Simplex Receive an amount of data in non-blocking mode.
<> 144:ef7eb2e8f9f7 1520 * Function called under interruption only, once
<> 144:ef7eb2e8f9f7 1521 * interruptions have been enabled by HAL_USART_Receive_IT()
<> 144:ef7eb2e8f9f7 1522 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1523 * @retval HAL status
<> 144:ef7eb2e8f9f7 1524 */
<> 144:ef7eb2e8f9f7 1525 static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1526 {
<> 144:ef7eb2e8f9f7 1527 uint16_t* tmp;
<> 144:ef7eb2e8f9f7 1528 uint16_t uhMask = husart->Mask;
<> 144:ef7eb2e8f9f7 1529
<> 144:ef7eb2e8f9f7 1530 if(husart->State == HAL_USART_STATE_BUSY_RX)
<> 144:ef7eb2e8f9f7 1531 {
<> 144:ef7eb2e8f9f7 1532
<> 144:ef7eb2e8f9f7 1533 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 1534 {
<> 144:ef7eb2e8f9f7 1535 tmp = (uint16_t*) husart->pRxBuffPtr;
<> 144:ef7eb2e8f9f7 1536 *tmp = (uint16_t)(husart->Instance->RDR & uhMask);
<> 144:ef7eb2e8f9f7 1537 husart->pRxBuffPtr += 2;
<> 144:ef7eb2e8f9f7 1538 }
<> 144:ef7eb2e8f9f7 1539 else
<> 144:ef7eb2e8f9f7 1540 {
<> 144:ef7eb2e8f9f7 1541 *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask);
<> 144:ef7eb2e8f9f7 1542 }
<> 144:ef7eb2e8f9f7 1543 /* Send dummy byte in order to generate the clock for the Slave to Send the next data */
<> 144:ef7eb2e8f9f7 1544 husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x00FF);
<> 144:ef7eb2e8f9f7 1545
<> 144:ef7eb2e8f9f7 1546 if(--husart->RxXferCount == 0)
<> 144:ef7eb2e8f9f7 1547 {
<> 144:ef7eb2e8f9f7 1548 /* Wait for RXNE Flag */
<> 144:ef7eb2e8f9f7 1549 if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, HAL_USART_TXDMA_TIMEOUTVALUE) != HAL_OK)
<> 144:ef7eb2e8f9f7 1550 {
<> 144:ef7eb2e8f9f7 1551 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 1552 }
<> 144:ef7eb2e8f9f7 1553
<> 144:ef7eb2e8f9f7 1554 __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE);
<> 144:ef7eb2e8f9f7 1555
<> 144:ef7eb2e8f9f7 1556 /* Disable the USART Parity Error Interrupt */
<> 144:ef7eb2e8f9f7 1557 __HAL_USART_DISABLE_IT(husart, USART_IT_PE);
<> 144:ef7eb2e8f9f7 1558
<> 144:ef7eb2e8f9f7 1559 /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */
<> 144:ef7eb2e8f9f7 1560 __HAL_USART_DISABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 1561
<> 144:ef7eb2e8f9f7 1562 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1563
<> 144:ef7eb2e8f9f7 1564
<> 144:ef7eb2e8f9f7 1565 HAL_USART_RxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1566
<> 144:ef7eb2e8f9f7 1567 return HAL_OK;
<> 144:ef7eb2e8f9f7 1568 }
<> 144:ef7eb2e8f9f7 1569
<> 144:ef7eb2e8f9f7 1570
<> 144:ef7eb2e8f9f7 1571 return HAL_OK;
<> 144:ef7eb2e8f9f7 1572 }
<> 144:ef7eb2e8f9f7 1573 else
<> 144:ef7eb2e8f9f7 1574 {
<> 144:ef7eb2e8f9f7 1575 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 1576 }
<> 144:ef7eb2e8f9f7 1577 }
<> 144:ef7eb2e8f9f7 1578
<> 144:ef7eb2e8f9f7 1579 /**
<> 144:ef7eb2e8f9f7 1580 * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking).
<> 144:ef7eb2e8f9f7 1581 * Function called under interruption only, once
<> 144:ef7eb2e8f9f7 1582 * interruptions have been enabled by HAL_USART_TransmitReceive_IT()
<> 144:ef7eb2e8f9f7 1583 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1584 * @retval HAL status
<> 144:ef7eb2e8f9f7 1585 */
<> 144:ef7eb2e8f9f7 1586 static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1587 {
<> 144:ef7eb2e8f9f7 1588 uint16_t* tmp;
<> 144:ef7eb2e8f9f7 1589 uint16_t uhMask = husart->Mask;
<> 144:ef7eb2e8f9f7 1590
<> 144:ef7eb2e8f9f7 1591 if(husart->State == HAL_USART_STATE_BUSY_TX_RX)
<> 144:ef7eb2e8f9f7 1592 {
<> 144:ef7eb2e8f9f7 1593 if(husart->TxXferCount != 0x00)
<> 144:ef7eb2e8f9f7 1594 {
<> 144:ef7eb2e8f9f7 1595 if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TC) != RESET)
<> 144:ef7eb2e8f9f7 1596 {
<> 144:ef7eb2e8f9f7 1597 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 1598 {
<> 144:ef7eb2e8f9f7 1599 tmp = (uint16_t*) husart->pTxBuffPtr;
<> 144:ef7eb2e8f9f7 1600 husart->Instance->TDR = (uint16_t)(*tmp & uhMask);
<> 144:ef7eb2e8f9f7 1601 husart->pTxBuffPtr += 2;
<> 144:ef7eb2e8f9f7 1602 }
<> 144:ef7eb2e8f9f7 1603 else
<> 144:ef7eb2e8f9f7 1604 {
<> 144:ef7eb2e8f9f7 1605 husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)uhMask);
<> 144:ef7eb2e8f9f7 1606 }
<> 144:ef7eb2e8f9f7 1607 husart->TxXferCount--;
<> 144:ef7eb2e8f9f7 1608
<> 144:ef7eb2e8f9f7 1609 /* Check the latest data transmitted */
<> 144:ef7eb2e8f9f7 1610 if(husart->TxXferCount == 0)
<> 144:ef7eb2e8f9f7 1611 {
<> 144:ef7eb2e8f9f7 1612 __HAL_USART_DISABLE_IT(husart, USART_IT_TXE);
<> 144:ef7eb2e8f9f7 1613 }
<> 144:ef7eb2e8f9f7 1614 }
<> 144:ef7eb2e8f9f7 1615 }
<> 144:ef7eb2e8f9f7 1616
<> 144:ef7eb2e8f9f7 1617 if(husart->RxXferCount != 0x00)
<> 144:ef7eb2e8f9f7 1618 {
<> 144:ef7eb2e8f9f7 1619 if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET)
<> 144:ef7eb2e8f9f7 1620 {
<> 144:ef7eb2e8f9f7 1621 if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE))
<> 144:ef7eb2e8f9f7 1622 {
<> 144:ef7eb2e8f9f7 1623 tmp = (uint16_t*) husart->pRxBuffPtr;
<> 144:ef7eb2e8f9f7 1624 *tmp = (uint16_t)(husart->Instance->RDR & uhMask);
<> 144:ef7eb2e8f9f7 1625 husart->pRxBuffPtr += 2;
<> 144:ef7eb2e8f9f7 1626 }
<> 144:ef7eb2e8f9f7 1627 else
<> 144:ef7eb2e8f9f7 1628 {
<> 144:ef7eb2e8f9f7 1629 *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask);
<> 144:ef7eb2e8f9f7 1630 }
<> 144:ef7eb2e8f9f7 1631 husart->RxXferCount--;
<> 144:ef7eb2e8f9f7 1632 }
<> 144:ef7eb2e8f9f7 1633 }
<> 144:ef7eb2e8f9f7 1634
<> 144:ef7eb2e8f9f7 1635 /* Check the latest data received */
<> 144:ef7eb2e8f9f7 1636 if(husart->RxXferCount == 0)
<> 144:ef7eb2e8f9f7 1637 {
<> 144:ef7eb2e8f9f7 1638 __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE);
<> 144:ef7eb2e8f9f7 1639
<> 144:ef7eb2e8f9f7 1640 /* Disable the USART Parity Error Interrupt */
<> 144:ef7eb2e8f9f7 1641 __HAL_USART_DISABLE_IT(husart, USART_IT_PE);
<> 144:ef7eb2e8f9f7 1642
<> 144:ef7eb2e8f9f7 1643 /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */
<> 144:ef7eb2e8f9f7 1644 __HAL_USART_DISABLE_IT(husart, USART_IT_ERR);
<> 144:ef7eb2e8f9f7 1645
<> 144:ef7eb2e8f9f7 1646 husart->State = HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1647
<> 144:ef7eb2e8f9f7 1648 HAL_USART_TxRxCpltCallback(husart);
<> 144:ef7eb2e8f9f7 1649
<> 144:ef7eb2e8f9f7 1650 return HAL_OK;
<> 144:ef7eb2e8f9f7 1651 }
<> 144:ef7eb2e8f9f7 1652
<> 144:ef7eb2e8f9f7 1653 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 1654 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 1655
<> 144:ef7eb2e8f9f7 1656 return HAL_OK;
<> 144:ef7eb2e8f9f7 1657 }
<> 144:ef7eb2e8f9f7 1658 else
<> 144:ef7eb2e8f9f7 1659 {
<> 144:ef7eb2e8f9f7 1660 return HAL_BUSY;
<> 144:ef7eb2e8f9f7 1661 }
<> 144:ef7eb2e8f9f7 1662 }
<> 144:ef7eb2e8f9f7 1663
<> 144:ef7eb2e8f9f7 1664 /**
<> 144:ef7eb2e8f9f7 1665 * @brief Configure the USART peripheral
<> 144:ef7eb2e8f9f7 1666 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1667 * @retval HAL status
<> 144:ef7eb2e8f9f7 1668 */
<> 144:ef7eb2e8f9f7 1669 static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1670 {
<> 144:ef7eb2e8f9f7 1671 uint32_t tmpreg = 0x0;
<> 144:ef7eb2e8f9f7 1672 uint32_t clocksource = 0x0;
<> 144:ef7eb2e8f9f7 1673 HAL_StatusTypeDef ret = HAL_OK;
<> 144:ef7eb2e8f9f7 1674 uint16_t brrtemp = 0x0000;
<> 144:ef7eb2e8f9f7 1675 uint16_t usartdiv = 0x0000;
<> 144:ef7eb2e8f9f7 1676
<> 144:ef7eb2e8f9f7 1677
<> 144:ef7eb2e8f9f7 1678 /* Check the parameters */
<> 144:ef7eb2e8f9f7 1679 assert_param(IS_USART_INSTANCE(husart->Instance));
<> 144:ef7eb2e8f9f7 1680 assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity));
<> 144:ef7eb2e8f9f7 1681 assert_param(IS_USART_PHASE(husart->Init.CLKPhase));
<> 144:ef7eb2e8f9f7 1682 assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit));
<> 144:ef7eb2e8f9f7 1683 assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate));
<> 144:ef7eb2e8f9f7 1684 assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength));
<> 144:ef7eb2e8f9f7 1685 assert_param(IS_USART_STOPBITS(husart->Init.StopBits));
<> 144:ef7eb2e8f9f7 1686 assert_param(IS_USART_PARITY(husart->Init.Parity));
<> 144:ef7eb2e8f9f7 1687 assert_param(IS_USART_MODE(husart->Init.Mode));
<> 144:ef7eb2e8f9f7 1688
<> 144:ef7eb2e8f9f7 1689 /*-------------------------- USART CR1 Configuration -----------------------*/
<> 144:ef7eb2e8f9f7 1690 /* Clear M, PCE, PS, TE and RE bits and configure
<> 144:ef7eb2e8f9f7 1691 * the USART Word Length, Parity, Mode and oversampling:
<> 144:ef7eb2e8f9f7 1692 * set the M bits according to husart->Init.WordLength value
<> 144:ef7eb2e8f9f7 1693 * set PCE and PS bits according to husart->Init.Parity value
<> 144:ef7eb2e8f9f7 1694 * set TE and RE bits according to husart->Init.Mode value
<> 144:ef7eb2e8f9f7 1695 * Force OVER8 bit to 1 in order to reach the max USART frequencies */
<> 144:ef7eb2e8f9f7 1696 tmpreg = (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode | USART_CR1_OVER8;
<> 144:ef7eb2e8f9f7 1697 MODIFY_REG(husart->Instance->CR1, USART_CR1_FIELDS, tmpreg);
<> 144:ef7eb2e8f9f7 1698
<> 144:ef7eb2e8f9f7 1699 /*---------------------------- USART CR2 Configuration ---------------------*/
<> 144:ef7eb2e8f9f7 1700 /* Clear and configure the USART Clock, CPOL, CPHA, LBCL and STOP bits:
<> 144:ef7eb2e8f9f7 1701 * set CPOL bit according to husart->Init.CLKPolarity value
<> 144:ef7eb2e8f9f7 1702 * set CPHA bit according to husart->Init.CLKPhase value
<> 144:ef7eb2e8f9f7 1703 * set LBCL bit according to husart->Init.CLKLastBit value
<> 144:ef7eb2e8f9f7 1704 * set STOP[13:12] bits according to husart->Init.StopBits value */
<> 144:ef7eb2e8f9f7 1705 tmpreg = (uint32_t)(USART_CLOCK_ENABLE);
<> 144:ef7eb2e8f9f7 1706 tmpreg |= (uint32_t)(husart->Init.CLKPolarity | husart->Init.CLKPhase);
<> 144:ef7eb2e8f9f7 1707 tmpreg |= (uint32_t)(husart->Init.CLKLastBit | husart->Init.StopBits);
<> 144:ef7eb2e8f9f7 1708 MODIFY_REG(husart->Instance->CR2, USART_CR2_FIELDS, tmpreg);
<> 144:ef7eb2e8f9f7 1709
<> 144:ef7eb2e8f9f7 1710 /*-------------------------- USART CR3 Configuration -----------------------*/
<> 144:ef7eb2e8f9f7 1711 /* no CR3 register configuration */
<> 144:ef7eb2e8f9f7 1712
<> 144:ef7eb2e8f9f7 1713 /*-------------------------- USART BRR Configuration -----------------------*/
<> 144:ef7eb2e8f9f7 1714 /* BRR is filled-up according to OVER8 bit setting which is forced to 1 */
<> 144:ef7eb2e8f9f7 1715 USART_GETCLOCKSOURCE(husart, clocksource);
<> 144:ef7eb2e8f9f7 1716 switch (clocksource)
<> 144:ef7eb2e8f9f7 1717 {
<> 144:ef7eb2e8f9f7 1718 case USART_CLOCKSOURCE_PCLK1:
<> 144:ef7eb2e8f9f7 1719 usartdiv = (uint16_t)((2*HAL_RCC_GetPCLK1Freq()) / husart->Init.BaudRate);
<> 144:ef7eb2e8f9f7 1720 break;
<> 144:ef7eb2e8f9f7 1721 case USART_CLOCKSOURCE_PCLK2:
<> 144:ef7eb2e8f9f7 1722 usartdiv = (uint16_t)((2*HAL_RCC_GetPCLK2Freq()) / husart->Init.BaudRate);
<> 144:ef7eb2e8f9f7 1723 break;
<> 144:ef7eb2e8f9f7 1724 case USART_CLOCKSOURCE_HSI:
<> 144:ef7eb2e8f9f7 1725 usartdiv = (uint16_t)((2*HSI_VALUE) / husart->Init.BaudRate);
<> 144:ef7eb2e8f9f7 1726 break;
<> 144:ef7eb2e8f9f7 1727 case USART_CLOCKSOURCE_SYSCLK:
<> 144:ef7eb2e8f9f7 1728 usartdiv = (uint16_t)((2*HAL_RCC_GetSysClockFreq()) / husart->Init.BaudRate);
<> 144:ef7eb2e8f9f7 1729 break;
<> 144:ef7eb2e8f9f7 1730 case USART_CLOCKSOURCE_LSE:
<> 144:ef7eb2e8f9f7 1731 usartdiv = (uint16_t)((2*LSE_VALUE) / husart->Init.BaudRate);
<> 144:ef7eb2e8f9f7 1732 break;
<> 144:ef7eb2e8f9f7 1733 case USART_CLOCKSOURCE_UNDEFINED:
<> 144:ef7eb2e8f9f7 1734 default:
<> 144:ef7eb2e8f9f7 1735 ret = HAL_ERROR;
<> 144:ef7eb2e8f9f7 1736 break;
<> 144:ef7eb2e8f9f7 1737 }
<> 144:ef7eb2e8f9f7 1738
<> 144:ef7eb2e8f9f7 1739 brrtemp = usartdiv & 0xFFF0;
<> 144:ef7eb2e8f9f7 1740 brrtemp |= (uint16_t)((usartdiv & (uint16_t)0x000F) >> 1U);
<> 144:ef7eb2e8f9f7 1741 husart->Instance->BRR = brrtemp;
<> 144:ef7eb2e8f9f7 1742
<> 144:ef7eb2e8f9f7 1743 return ret;
<> 144:ef7eb2e8f9f7 1744 }
<> 144:ef7eb2e8f9f7 1745
<> 144:ef7eb2e8f9f7 1746 /**
<> 144:ef7eb2e8f9f7 1747 * @brief Check the USART Idle State
<> 144:ef7eb2e8f9f7 1748 * @param husart: USART handle
<> 144:ef7eb2e8f9f7 1749 * @retval HAL status
<> 144:ef7eb2e8f9f7 1750 */
<> 144:ef7eb2e8f9f7 1751 static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart)
<> 144:ef7eb2e8f9f7 1752 {
<> 144:ef7eb2e8f9f7 1753 /* Initialize the USART ErrorCode */
<> 144:ef7eb2e8f9f7 1754 husart->ErrorCode = HAL_USART_ERROR_NONE;
<> 144:ef7eb2e8f9f7 1755
<> 144:ef7eb2e8f9f7 1756 /* Check if the Transmitter is enabled */
<> 144:ef7eb2e8f9f7 1757 if((husart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE)
<> 144:ef7eb2e8f9f7 1758 {
<> 144:ef7eb2e8f9f7 1759 /* Wait until TEACK flag is set */
<> 144:ef7eb2e8f9f7 1760 if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_TEACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK)
<> 144:ef7eb2e8f9f7 1761 {
<> 144:ef7eb2e8f9f7 1762 husart->State= HAL_USART_STATE_TIMEOUT;
<> 144:ef7eb2e8f9f7 1763 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 1764 }
<> 144:ef7eb2e8f9f7 1765 }
<> 144:ef7eb2e8f9f7 1766 /* Check if the Receiver is enabled */
<> 144:ef7eb2e8f9f7 1767 if((husart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE)
<> 144:ef7eb2e8f9f7 1768 {
<> 144:ef7eb2e8f9f7 1769 /* Wait until REACK flag is set */
<> 144:ef7eb2e8f9f7 1770 if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_REACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK)
<> 144:ef7eb2e8f9f7 1771 {
<> 144:ef7eb2e8f9f7 1772 husart->State= HAL_USART_STATE_TIMEOUT;
<> 144:ef7eb2e8f9f7 1773 return HAL_TIMEOUT;
<> 144:ef7eb2e8f9f7 1774 }
<> 144:ef7eb2e8f9f7 1775 }
<> 144:ef7eb2e8f9f7 1776
<> 144:ef7eb2e8f9f7 1777 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 1778 __HAL_UNLOCK(husart);
<> 144:ef7eb2e8f9f7 1779
<> 144:ef7eb2e8f9f7 1780 /* Initialize the USART state*/
<> 144:ef7eb2e8f9f7 1781 husart->State= HAL_USART_STATE_READY;
<> 144:ef7eb2e8f9f7 1782
<> 144:ef7eb2e8f9f7 1783 return HAL_OK;
<> 144:ef7eb2e8f9f7 1784 }
<> 144:ef7eb2e8f9f7 1785
<> 144:ef7eb2e8f9f7 1786
<> 144:ef7eb2e8f9f7 1787 /**
<> 144:ef7eb2e8f9f7 1788 * @}
<> 144:ef7eb2e8f9f7 1789 */
<> 144:ef7eb2e8f9f7 1790
<> 144:ef7eb2e8f9f7 1791 /**
<> 144:ef7eb2e8f9f7 1792 * @}
<> 144:ef7eb2e8f9f7 1793 */
<> 144:ef7eb2e8f9f7 1794
<> 144:ef7eb2e8f9f7 1795 #endif /* HAL_USART_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 1796
<> 144:ef7eb2e8f9f7 1797 /**
<> 144:ef7eb2e8f9f7 1798 * @}
<> 144:ef7eb2e8f9f7 1799 */
<> 144:ef7eb2e8f9f7 1800
<> 144:ef7eb2e8f9f7 1801 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
<> 144:ef7eb2e8f9f7 1802