fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32F4/stm32f4xx_hal_usart.c@19:112740acecfa, 2015-11-10 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Nov 10 09:30:11 2015 +0000
- Revision:
- 19:112740acecfa
- Parent:
- 0:9b334a45a8ff
Synchronized with git revision 7218418919aeaf775fb8d386ea7ee0dfc0c80ff9
Full URL: https://github.com/mbedmicro/mbed/commit/7218418919aeaf775fb8d386ea7ee0dfc0c80ff9/
DISCO_F469NI - add disco F469NI support
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32f4xx_hal_usart.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
mbed_official | 19:112740acecfa | 5 | * @version V1.4.1 |
mbed_official | 19:112740acecfa | 6 | * @date 09-October-2015 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief USART HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the Universal Synchronous Asynchronous Receiver Transmitter (USART) peripheral: |
bogdanm | 0:9b334a45a8ff | 10 | * + Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 11 | * + IO operation functions |
bogdanm | 0:9b334a45a8ff | 12 | * + Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 13 | @verbatim |
bogdanm | 0:9b334a45a8ff | 14 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 15 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 16 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 17 | [..] |
bogdanm | 0:9b334a45a8ff | 18 | The USART HAL driver can be used as follows: |
bogdanm | 0:9b334a45a8ff | 19 | |
bogdanm | 0:9b334a45a8ff | 20 | (#) Declare a USART_HandleTypeDef handle structure. |
bogdanm | 0:9b334a45a8ff | 21 | (#) Initialize the USART low level resources by implementing the HAL_USART_MspInit () API: |
bogdanm | 0:9b334a45a8ff | 22 | (##) Enable the USARTx interface clock. |
bogdanm | 0:9b334a45a8ff | 23 | (##) USART pins configuration: |
bogdanm | 0:9b334a45a8ff | 24 | (+++) Enable the clock for the USART GPIOs. |
bogdanm | 0:9b334a45a8ff | 25 | (+++) Configure these USART pins as alternate function pull-up. |
bogdanm | 0:9b334a45a8ff | 26 | (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), |
bogdanm | 0:9b334a45a8ff | 27 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
bogdanm | 0:9b334a45a8ff | 28 | (+++) Configure the USARTx interrupt priority. |
bogdanm | 0:9b334a45a8ff | 29 | (+++) Enable the NVIC USART IRQ handle. |
bogdanm | 0:9b334a45a8ff | 30 | (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 31 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
bogdanm | 0:9b334a45a8ff | 32 | (+++) Declare a DMA handle structure for the Tx/Rx stream. |
bogdanm | 0:9b334a45a8ff | 33 | (+++) Enable the DMAx interface clock. |
bogdanm | 0:9b334a45a8ff | 34 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
bogdanm | 0:9b334a45a8ff | 35 | (+++) Configure the DMA Tx/Rx Stream. |
bogdanm | 0:9b334a45a8ff | 36 | (+++) Associate the initialized DMA handle to the USART DMA Tx/Rx handle. |
bogdanm | 0:9b334a45a8ff | 37 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx Stream. |
bogdanm | 0:9b334a45a8ff | 38 | |
bogdanm | 0:9b334a45a8ff | 39 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
bogdanm | 0:9b334a45a8ff | 40 | flow control and Mode(Receiver/Transmitter) in the husart Init structure. |
bogdanm | 0:9b334a45a8ff | 41 | |
bogdanm | 0:9b334a45a8ff | 42 | (#) Initialize the USART registers by calling the HAL_USART_Init() API: |
bogdanm | 0:9b334a45a8ff | 43 | (++) These APIs configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
bogdanm | 0:9b334a45a8ff | 44 | by calling the customized HAL_USART_MspInit(&husart) API. |
bogdanm | 0:9b334a45a8ff | 45 | |
bogdanm | 0:9b334a45a8ff | 46 | -@@- The specific USART interrupts (Transmission complete interrupt, |
bogdanm | 0:9b334a45a8ff | 47 | RXNE interrupt and Error Interrupts) will be managed using the macros |
bogdanm | 0:9b334a45a8ff | 48 | __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. |
bogdanm | 0:9b334a45a8ff | 49 | |
bogdanm | 0:9b334a45a8ff | 50 | (#) Three operation modes are available within this driver : |
bogdanm | 0:9b334a45a8ff | 51 | |
bogdanm | 0:9b334a45a8ff | 52 | *** Polling mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 53 | ================================= |
bogdanm | 0:9b334a45a8ff | 54 | [..] |
bogdanm | 0:9b334a45a8ff | 55 | (+) Send an amount of data in blocking mode using HAL_USART_Transmit() |
bogdanm | 0:9b334a45a8ff | 56 | (+) Receive an amount of data in blocking mode using HAL_USART_Receive() |
bogdanm | 0:9b334a45a8ff | 57 | |
bogdanm | 0:9b334a45a8ff | 58 | *** Interrupt mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 59 | =================================== |
bogdanm | 0:9b334a45a8ff | 60 | [..] |
bogdanm | 0:9b334a45a8ff | 61 | (+) Send an amount of data in non blocking mode using HAL_USART_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 62 | (+) At transmission end of transfer HAL_USART_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 63 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 64 | (+) Receive an amount of data in non blocking mode using HAL_USART_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 65 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 66 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 67 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 68 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 69 | |
bogdanm | 0:9b334a45a8ff | 70 | *** DMA mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 71 | ============================== |
bogdanm | 0:9b334a45a8ff | 72 | [..] |
bogdanm | 0:9b334a45a8ff | 73 | (+) Send an amount of data in non blocking mode (DMA) using HAL_USART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 74 | (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 75 | add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 76 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 77 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 78 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_USART_Receive_DMA() |
bogdanm | 0:9b334a45a8ff | 79 | (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 80 | add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 81 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 82 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 83 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 84 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 85 | (+) Pause the DMA Transfer using HAL_USART_DMAPause() |
bogdanm | 0:9b334a45a8ff | 86 | (+) Resume the DMA Transfer using HAL_USART_DMAResume() |
bogdanm | 0:9b334a45a8ff | 87 | (+) Stop the DMA Transfer using HAL_USART_DMAStop() |
bogdanm | 0:9b334a45a8ff | 88 | |
bogdanm | 0:9b334a45a8ff | 89 | *** USART HAL driver macros list *** |
bogdanm | 0:9b334a45a8ff | 90 | ============================================= |
bogdanm | 0:9b334a45a8ff | 91 | [..] |
bogdanm | 0:9b334a45a8ff | 92 | Below the list of most used macros in USART HAL driver. |
bogdanm | 0:9b334a45a8ff | 93 | |
bogdanm | 0:9b334a45a8ff | 94 | (+) __HAL_USART_ENABLE: Enable the USART peripheral |
bogdanm | 0:9b334a45a8ff | 95 | (+) __HAL_USART_DISABLE: Disable the USART peripheral |
bogdanm | 0:9b334a45a8ff | 96 | (+) __HAL_USART_GET_FLAG : Check whether the specified USART flag is set or not |
bogdanm | 0:9b334a45a8ff | 97 | (+) __HAL_USART_CLEAR_FLAG : Clear the specified USART pending flag |
bogdanm | 0:9b334a45a8ff | 98 | (+) __HAL_USART_ENABLE_IT: Enable the specified USART interrupt |
bogdanm | 0:9b334a45a8ff | 99 | (+) __HAL_USART_DISABLE_IT: Disable the specified USART interrupt |
bogdanm | 0:9b334a45a8ff | 100 | |
bogdanm | 0:9b334a45a8ff | 101 | [..] |
bogdanm | 0:9b334a45a8ff | 102 | (@) You can refer to the USART HAL driver header file for more useful macros |
bogdanm | 0:9b334a45a8ff | 103 | |
bogdanm | 0:9b334a45a8ff | 104 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 105 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 106 | * @attention |
bogdanm | 0:9b334a45a8ff | 107 | * |
bogdanm | 0:9b334a45a8ff | 108 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 109 | * |
bogdanm | 0:9b334a45a8ff | 110 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 111 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 112 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 113 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 114 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 115 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 116 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 117 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 118 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 119 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 120 | * |
bogdanm | 0:9b334a45a8ff | 121 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 122 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 123 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 124 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 125 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 126 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 127 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 128 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 129 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 130 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 131 | * |
bogdanm | 0:9b334a45a8ff | 132 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 133 | */ |
bogdanm | 0:9b334a45a8ff | 134 | |
bogdanm | 0:9b334a45a8ff | 135 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 136 | #include "stm32f4xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 137 | |
bogdanm | 0:9b334a45a8ff | 138 | /** @addtogroup STM32F4xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 139 | * @{ |
bogdanm | 0:9b334a45a8ff | 140 | */ |
bogdanm | 0:9b334a45a8ff | 141 | |
bogdanm | 0:9b334a45a8ff | 142 | /** @defgroup USART USART |
bogdanm | 0:9b334a45a8ff | 143 | * @brief HAL USART Synchronous module driver |
bogdanm | 0:9b334a45a8ff | 144 | * @{ |
bogdanm | 0:9b334a45a8ff | 145 | */ |
bogdanm | 0:9b334a45a8ff | 146 | #ifdef HAL_USART_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 147 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 148 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 149 | /** @addtogroup USART_Private_Constants |
bogdanm | 0:9b334a45a8ff | 150 | * @{ |
bogdanm | 0:9b334a45a8ff | 151 | */ |
bogdanm | 0:9b334a45a8ff | 152 | #define DUMMY_DATA 0xFFFF |
bogdanm | 0:9b334a45a8ff | 153 | #define USART_TIMEOUT_VALUE 22000 |
bogdanm | 0:9b334a45a8ff | 154 | /** |
bogdanm | 0:9b334a45a8ff | 155 | * @} |
bogdanm | 0:9b334a45a8ff | 156 | */ |
bogdanm | 0:9b334a45a8ff | 157 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 158 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 159 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 160 | /* Private functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 161 | /** @addtogroup USART_Private_Functions |
bogdanm | 0:9b334a45a8ff | 162 | * @{ |
bogdanm | 0:9b334a45a8ff | 163 | */ |
bogdanm | 0:9b334a45a8ff | 164 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 165 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 166 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 167 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 168 | static void USART_SetConfig (USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 169 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 170 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 171 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 172 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 173 | static void USART_DMAError(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 174 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 175 | /** |
bogdanm | 0:9b334a45a8ff | 176 | * @} |
bogdanm | 0:9b334a45a8ff | 177 | */ |
bogdanm | 0:9b334a45a8ff | 178 | |
bogdanm | 0:9b334a45a8ff | 179 | /* Exported functions --------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 180 | /** @defgroup USART_Exported_Functions USART Exported Functions |
bogdanm | 0:9b334a45a8ff | 181 | * @{ |
bogdanm | 0:9b334a45a8ff | 182 | */ |
bogdanm | 0:9b334a45a8ff | 183 | |
bogdanm | 0:9b334a45a8ff | 184 | /** @defgroup USART_Exported_Functions_Group1 USART Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 185 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 186 | * |
bogdanm | 0:9b334a45a8ff | 187 | @verbatim |
bogdanm | 0:9b334a45a8ff | 188 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 189 | ##### Initialization and Configuration functions ##### |
bogdanm | 0:9b334a45a8ff | 190 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 191 | [..] |
bogdanm | 0:9b334a45a8ff | 192 | This subsection provides a set of functions allowing to initialize the USART |
bogdanm | 0:9b334a45a8ff | 193 | in asynchronous and in synchronous modes. |
bogdanm | 0:9b334a45a8ff | 194 | (+) For the asynchronous mode only these parameters can be configured: |
bogdanm | 0:9b334a45a8ff | 195 | (++) Baud Rate |
bogdanm | 0:9b334a45a8ff | 196 | (++) Word Length |
bogdanm | 0:9b334a45a8ff | 197 | (++) Stop Bit |
bogdanm | 0:9b334a45a8ff | 198 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
bogdanm | 0:9b334a45a8ff | 199 | in the data register is transmitted but is changed by the parity bit. |
bogdanm | 0:9b334a45a8ff | 200 | Depending on the frame length defined by the M bit (8-bits or 9-bits), |
bogdanm | 0:9b334a45a8ff | 201 | please refer to Reference manual for possible USART frame formats. |
bogdanm | 0:9b334a45a8ff | 202 | (++) USART polarity |
bogdanm | 0:9b334a45a8ff | 203 | (++) USART phase |
bogdanm | 0:9b334a45a8ff | 204 | (++) USART LastBit |
bogdanm | 0:9b334a45a8ff | 205 | (++) Receiver/transmitter modes |
bogdanm | 0:9b334a45a8ff | 206 | |
bogdanm | 0:9b334a45a8ff | 207 | [..] |
bogdanm | 0:9b334a45a8ff | 208 | The HAL_USART_Init() function follows the USART synchronous configuration |
bogdanm | 0:9b334a45a8ff | 209 | procedure (details for the procedure are available in reference manual (RM0329)). |
bogdanm | 0:9b334a45a8ff | 210 | |
bogdanm | 0:9b334a45a8ff | 211 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 212 | * @{ |
bogdanm | 0:9b334a45a8ff | 213 | */ |
bogdanm | 0:9b334a45a8ff | 214 | |
bogdanm | 0:9b334a45a8ff | 215 | /** |
bogdanm | 0:9b334a45a8ff | 216 | * @brief Initializes the USART mode according to the specified |
bogdanm | 0:9b334a45a8ff | 217 | * parameters in the USART_InitTypeDef and create the associated handle. |
bogdanm | 0:9b334a45a8ff | 218 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 219 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 220 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 221 | */ |
bogdanm | 0:9b334a45a8ff | 222 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 223 | { |
bogdanm | 0:9b334a45a8ff | 224 | /* Check the USART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 225 | if(husart == NULL) |
bogdanm | 0:9b334a45a8ff | 226 | { |
bogdanm | 0:9b334a45a8ff | 227 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 228 | } |
bogdanm | 0:9b334a45a8ff | 229 | |
bogdanm | 0:9b334a45a8ff | 230 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 231 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
bogdanm | 0:9b334a45a8ff | 232 | |
bogdanm | 0:9b334a45a8ff | 233 | if(husart->State == HAL_USART_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 234 | { |
bogdanm | 0:9b334a45a8ff | 235 | /* Allocate lock resource and initialize it */ |
bogdanm | 0:9b334a45a8ff | 236 | husart->Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 237 | /* Init the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 238 | HAL_USART_MspInit(husart); |
bogdanm | 0:9b334a45a8ff | 239 | } |
bogdanm | 0:9b334a45a8ff | 240 | |
bogdanm | 0:9b334a45a8ff | 241 | husart->State = HAL_USART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 242 | |
bogdanm | 0:9b334a45a8ff | 243 | /* Set the USART Communication parameters */ |
bogdanm | 0:9b334a45a8ff | 244 | USART_SetConfig(husart); |
bogdanm | 0:9b334a45a8ff | 245 | |
bogdanm | 0:9b334a45a8ff | 246 | /* In USART mode, the following bits must be kept cleared: |
bogdanm | 0:9b334a45a8ff | 247 | - LINEN bit in the USART_CR2 register |
bogdanm | 0:9b334a45a8ff | 248 | - HDSEL, SCEN and IREN bits in the USART_CR3 register */ |
bogdanm | 0:9b334a45a8ff | 249 | husart->Instance->CR2 &= ~USART_CR2_LINEN; |
bogdanm | 0:9b334a45a8ff | 250 | husart->Instance->CR3 &= ~(USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL); |
bogdanm | 0:9b334a45a8ff | 251 | |
bogdanm | 0:9b334a45a8ff | 252 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 253 | __HAL_USART_ENABLE(husart); |
bogdanm | 0:9b334a45a8ff | 254 | |
bogdanm | 0:9b334a45a8ff | 255 | /* Initialize the USART state */ |
bogdanm | 0:9b334a45a8ff | 256 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 257 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 258 | |
bogdanm | 0:9b334a45a8ff | 259 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 260 | } |
bogdanm | 0:9b334a45a8ff | 261 | |
bogdanm | 0:9b334a45a8ff | 262 | /** |
bogdanm | 0:9b334a45a8ff | 263 | * @brief DeInitializes the USART peripheral. |
bogdanm | 0:9b334a45a8ff | 264 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 265 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 266 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 267 | */ |
bogdanm | 0:9b334a45a8ff | 268 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 269 | { |
bogdanm | 0:9b334a45a8ff | 270 | /* Check the USART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 271 | if(husart == NULL) |
bogdanm | 0:9b334a45a8ff | 272 | { |
bogdanm | 0:9b334a45a8ff | 273 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 274 | } |
bogdanm | 0:9b334a45a8ff | 275 | |
bogdanm | 0:9b334a45a8ff | 276 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 277 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
bogdanm | 0:9b334a45a8ff | 278 | |
bogdanm | 0:9b334a45a8ff | 279 | husart->State = HAL_USART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 280 | |
bogdanm | 0:9b334a45a8ff | 281 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 282 | __HAL_USART_DISABLE(husart); |
bogdanm | 0:9b334a45a8ff | 283 | |
bogdanm | 0:9b334a45a8ff | 284 | /* DeInit the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 285 | HAL_USART_MspDeInit(husart); |
bogdanm | 0:9b334a45a8ff | 286 | |
bogdanm | 0:9b334a45a8ff | 287 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 288 | husart->State = HAL_USART_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 289 | |
bogdanm | 0:9b334a45a8ff | 290 | /* Release Lock */ |
bogdanm | 0:9b334a45a8ff | 291 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 292 | |
bogdanm | 0:9b334a45a8ff | 293 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 294 | } |
bogdanm | 0:9b334a45a8ff | 295 | |
bogdanm | 0:9b334a45a8ff | 296 | /** |
bogdanm | 0:9b334a45a8ff | 297 | * @brief USART MSP Init. |
bogdanm | 0:9b334a45a8ff | 298 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 299 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 300 | * @retval None |
bogdanm | 0:9b334a45a8ff | 301 | */ |
bogdanm | 0:9b334a45a8ff | 302 | __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 303 | { |
bogdanm | 0:9b334a45a8ff | 304 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 305 | the HAL_USART_MspInit could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 306 | */ |
bogdanm | 0:9b334a45a8ff | 307 | } |
bogdanm | 0:9b334a45a8ff | 308 | |
bogdanm | 0:9b334a45a8ff | 309 | /** |
bogdanm | 0:9b334a45a8ff | 310 | * @brief USART MSP DeInit. |
bogdanm | 0:9b334a45a8ff | 311 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 312 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 313 | * @retval None |
bogdanm | 0:9b334a45a8ff | 314 | */ |
bogdanm | 0:9b334a45a8ff | 315 | __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 316 | { |
bogdanm | 0:9b334a45a8ff | 317 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 318 | the HAL_USART_MspDeInit could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 319 | */ |
bogdanm | 0:9b334a45a8ff | 320 | } |
bogdanm | 0:9b334a45a8ff | 321 | |
bogdanm | 0:9b334a45a8ff | 322 | /** |
bogdanm | 0:9b334a45a8ff | 323 | * @} |
bogdanm | 0:9b334a45a8ff | 324 | */ |
bogdanm | 0:9b334a45a8ff | 325 | |
bogdanm | 0:9b334a45a8ff | 326 | /** @defgroup USART_Exported_Functions_Group2 IO operation functions |
bogdanm | 0:9b334a45a8ff | 327 | * @brief USART Transmit and Receive functions |
bogdanm | 0:9b334a45a8ff | 328 | * |
bogdanm | 0:9b334a45a8ff | 329 | @verbatim |
bogdanm | 0:9b334a45a8ff | 330 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 331 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 332 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 333 | [..] |
bogdanm | 0:9b334a45a8ff | 334 | This subsection provides a set of functions allowing to manage the USART synchronous |
bogdanm | 0:9b334a45a8ff | 335 | data transfers. |
bogdanm | 0:9b334a45a8ff | 336 | |
bogdanm | 0:9b334a45a8ff | 337 | [..] |
bogdanm | 0:9b334a45a8ff | 338 | The USART supports master mode only: it cannot receive or send data related to an input |
bogdanm | 0:9b334a45a8ff | 339 | clock (SCLK is always an output). |
bogdanm | 0:9b334a45a8ff | 340 | |
bogdanm | 0:9b334a45a8ff | 341 | (#) There are two modes of transfer: |
bogdanm | 0:9b334a45a8ff | 342 | (++) Blocking mode: The communication is performed in polling mode. |
bogdanm | 0:9b334a45a8ff | 343 | The HAL status of all data processing is returned by the same function |
bogdanm | 0:9b334a45a8ff | 344 | after finishing transfer. |
bogdanm | 0:9b334a45a8ff | 345 | (++) No-Blocking mode: The communication is performed using Interrupts |
bogdanm | 0:9b334a45a8ff | 346 | or DMA, These API's return the HAL status. |
bogdanm | 0:9b334a45a8ff | 347 | The end of the data processing will be indicated through the |
bogdanm | 0:9b334a45a8ff | 348 | dedicated USART IRQ when using Interrupt mode or the DMA IRQ when |
bogdanm | 0:9b334a45a8ff | 349 | using DMA mode. |
bogdanm | 0:9b334a45a8ff | 350 | The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 351 | user callbacks |
bogdanm | 0:9b334a45a8ff | 352 | will be executed respectively at the end of the transmit or Receive process |
bogdanm | 0:9b334a45a8ff | 353 | The HAL_USART_ErrorCallback() user callback will be executed when a communication |
bogdanm | 0:9b334a45a8ff | 354 | error is detected |
bogdanm | 0:9b334a45a8ff | 355 | |
bogdanm | 0:9b334a45a8ff | 356 | (#) Blocking mode APIs are : |
bogdanm | 0:9b334a45a8ff | 357 | (++) HAL_USART_Transmit() in simplex mode |
bogdanm | 0:9b334a45a8ff | 358 | (++) HAL_USART_Receive() in full duplex receive only |
bogdanm | 0:9b334a45a8ff | 359 | (++) HAL_USART_TransmitReceive() in full duplex mode |
bogdanm | 0:9b334a45a8ff | 360 | |
bogdanm | 0:9b334a45a8ff | 361 | (#) Non Blocking mode APIs with Interrupt are : |
bogdanm | 0:9b334a45a8ff | 362 | (++) HAL_USART_Transmit_IT()in simplex mode |
bogdanm | 0:9b334a45a8ff | 363 | (++) HAL_USART_Receive_IT() in full duplex receive only |
bogdanm | 0:9b334a45a8ff | 364 | (++) HAL_USART_TransmitReceive_IT() in full duplex mode |
bogdanm | 0:9b334a45a8ff | 365 | (++) HAL_USART_IRQHandler() |
bogdanm | 0:9b334a45a8ff | 366 | |
bogdanm | 0:9b334a45a8ff | 367 | (#) Non Blocking mode functions with DMA are : |
bogdanm | 0:9b334a45a8ff | 368 | (++) HAL_USART_Transmit_DMA()in simplex mode |
bogdanm | 0:9b334a45a8ff | 369 | (++) HAL_USART_Receive_DMA() in full duplex receive only |
bogdanm | 0:9b334a45a8ff | 370 | (++) HAL_USART_TransmitReceie_DMA() in full duplex mode |
bogdanm | 0:9b334a45a8ff | 371 | (++) HAL_USART_DMAPause() |
bogdanm | 0:9b334a45a8ff | 372 | (++) HAL_USART_DMAResume() |
bogdanm | 0:9b334a45a8ff | 373 | (++) HAL_USART_DMAStop() |
bogdanm | 0:9b334a45a8ff | 374 | |
bogdanm | 0:9b334a45a8ff | 375 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
bogdanm | 0:9b334a45a8ff | 376 | (++) HAL_USART_TxHalfCpltCallback() |
bogdanm | 0:9b334a45a8ff | 377 | (++) HAL_USART_TxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 378 | (++) HAL_USART_RxHalfCpltCallback() |
bogdanm | 0:9b334a45a8ff | 379 | (++) HAL_USART_RxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 380 | (++) HAL_USART_ErrorCallback() |
bogdanm | 0:9b334a45a8ff | 381 | (++) HAL_USART_TxRxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 382 | |
bogdanm | 0:9b334a45a8ff | 383 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 384 | * @{ |
bogdanm | 0:9b334a45a8ff | 385 | */ |
bogdanm | 0:9b334a45a8ff | 386 | |
bogdanm | 0:9b334a45a8ff | 387 | /** |
bogdanm | 0:9b334a45a8ff | 388 | * @brief Simplex Send an amount of data in blocking mode. |
bogdanm | 0:9b334a45a8ff | 389 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 390 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 391 | * @param pTxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 392 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 393 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 394 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 395 | */ |
bogdanm | 0:9b334a45a8ff | 396 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 397 | { |
bogdanm | 0:9b334a45a8ff | 398 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 399 | |
bogdanm | 0:9b334a45a8ff | 400 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 401 | { |
bogdanm | 0:9b334a45a8ff | 402 | if((pTxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 403 | { |
bogdanm | 0:9b334a45a8ff | 404 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 405 | } |
bogdanm | 0:9b334a45a8ff | 406 | |
bogdanm | 0:9b334a45a8ff | 407 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 408 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 409 | |
bogdanm | 0:9b334a45a8ff | 410 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 411 | husart->State = HAL_USART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 412 | |
bogdanm | 0:9b334a45a8ff | 413 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 414 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 415 | while(husart->TxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 416 | { |
bogdanm | 0:9b334a45a8ff | 417 | husart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 418 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 419 | { |
bogdanm | 0:9b334a45a8ff | 420 | /* Wait for TC flag in order to write data in DR */ |
bogdanm | 0:9b334a45a8ff | 421 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 422 | { |
bogdanm | 0:9b334a45a8ff | 423 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 424 | } |
bogdanm | 0:9b334a45a8ff | 425 | tmp = (uint16_t*) pTxData; |
bogdanm | 0:9b334a45a8ff | 426 | husart->Instance->DR = (*tmp & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 427 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 428 | { |
bogdanm | 0:9b334a45a8ff | 429 | pTxData += 2; |
bogdanm | 0:9b334a45a8ff | 430 | } |
bogdanm | 0:9b334a45a8ff | 431 | else |
bogdanm | 0:9b334a45a8ff | 432 | { |
bogdanm | 0:9b334a45a8ff | 433 | pTxData += 1; |
bogdanm | 0:9b334a45a8ff | 434 | } |
bogdanm | 0:9b334a45a8ff | 435 | } |
bogdanm | 0:9b334a45a8ff | 436 | else |
bogdanm | 0:9b334a45a8ff | 437 | { |
bogdanm | 0:9b334a45a8ff | 438 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 439 | { |
bogdanm | 0:9b334a45a8ff | 440 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 441 | } |
bogdanm | 0:9b334a45a8ff | 442 | husart->Instance->DR = (*pTxData++ & (uint8_t)0xFF); |
bogdanm | 0:9b334a45a8ff | 443 | } |
bogdanm | 0:9b334a45a8ff | 444 | } |
bogdanm | 0:9b334a45a8ff | 445 | |
bogdanm | 0:9b334a45a8ff | 446 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 447 | { |
bogdanm | 0:9b334a45a8ff | 448 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 449 | } |
bogdanm | 0:9b334a45a8ff | 450 | |
bogdanm | 0:9b334a45a8ff | 451 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 452 | |
bogdanm | 0:9b334a45a8ff | 453 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 454 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 455 | |
bogdanm | 0:9b334a45a8ff | 456 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 457 | } |
bogdanm | 0:9b334a45a8ff | 458 | else |
bogdanm | 0:9b334a45a8ff | 459 | { |
bogdanm | 0:9b334a45a8ff | 460 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 461 | } |
bogdanm | 0:9b334a45a8ff | 462 | } |
bogdanm | 0:9b334a45a8ff | 463 | |
bogdanm | 0:9b334a45a8ff | 464 | /** |
bogdanm | 0:9b334a45a8ff | 465 | * @brief Full-Duplex Receive an amount of data in blocking mode. |
bogdanm | 0:9b334a45a8ff | 466 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 467 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 468 | * @param pRxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 469 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 470 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 471 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 472 | */ |
bogdanm | 0:9b334a45a8ff | 473 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 474 | { |
bogdanm | 0:9b334a45a8ff | 475 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 476 | |
bogdanm | 0:9b334a45a8ff | 477 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 478 | { |
bogdanm | 0:9b334a45a8ff | 479 | if((pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 480 | { |
bogdanm | 0:9b334a45a8ff | 481 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 482 | } |
bogdanm | 0:9b334a45a8ff | 483 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 484 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 485 | |
bogdanm | 0:9b334a45a8ff | 486 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 487 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 488 | |
bogdanm | 0:9b334a45a8ff | 489 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 490 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 491 | /* Check the remain data to be received */ |
bogdanm | 0:9b334a45a8ff | 492 | while(husart->RxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 493 | { |
bogdanm | 0:9b334a45a8ff | 494 | husart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 495 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 496 | { |
bogdanm | 0:9b334a45a8ff | 497 | /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ |
bogdanm | 0:9b334a45a8ff | 498 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 499 | { |
bogdanm | 0:9b334a45a8ff | 500 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 501 | } |
bogdanm | 0:9b334a45a8ff | 502 | /* Send dummy byte in order to generate clock */ |
bogdanm | 0:9b334a45a8ff | 503 | husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 504 | |
bogdanm | 0:9b334a45a8ff | 505 | /* Wait for RXNE Flag */ |
bogdanm | 0:9b334a45a8ff | 506 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 507 | { |
bogdanm | 0:9b334a45a8ff | 508 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 509 | } |
bogdanm | 0:9b334a45a8ff | 510 | tmp = (uint16_t*) pRxData ; |
bogdanm | 0:9b334a45a8ff | 511 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 512 | { |
bogdanm | 0:9b334a45a8ff | 513 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 514 | pRxData +=2; |
bogdanm | 0:9b334a45a8ff | 515 | } |
bogdanm | 0:9b334a45a8ff | 516 | else |
bogdanm | 0:9b334a45a8ff | 517 | { |
bogdanm | 0:9b334a45a8ff | 518 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 519 | pRxData +=1; |
bogdanm | 0:9b334a45a8ff | 520 | } |
bogdanm | 0:9b334a45a8ff | 521 | } |
bogdanm | 0:9b334a45a8ff | 522 | else |
bogdanm | 0:9b334a45a8ff | 523 | { |
bogdanm | 0:9b334a45a8ff | 524 | /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ |
bogdanm | 0:9b334a45a8ff | 525 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 526 | { |
bogdanm | 0:9b334a45a8ff | 527 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 528 | } |
bogdanm | 0:9b334a45a8ff | 529 | |
bogdanm | 0:9b334a45a8ff | 530 | /* Send Dummy Byte in order to generate clock */ |
bogdanm | 0:9b334a45a8ff | 531 | husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 532 | |
bogdanm | 0:9b334a45a8ff | 533 | /* Wait until RXNE flag is set to receive the byte */ |
bogdanm | 0:9b334a45a8ff | 534 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 535 | { |
bogdanm | 0:9b334a45a8ff | 536 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 537 | } |
bogdanm | 0:9b334a45a8ff | 538 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 539 | { |
bogdanm | 0:9b334a45a8ff | 540 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 541 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 542 | } |
bogdanm | 0:9b334a45a8ff | 543 | else |
bogdanm | 0:9b334a45a8ff | 544 | { |
bogdanm | 0:9b334a45a8ff | 545 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 546 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 547 | } |
bogdanm | 0:9b334a45a8ff | 548 | |
bogdanm | 0:9b334a45a8ff | 549 | } |
bogdanm | 0:9b334a45a8ff | 550 | } |
bogdanm | 0:9b334a45a8ff | 551 | |
bogdanm | 0:9b334a45a8ff | 552 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 553 | |
bogdanm | 0:9b334a45a8ff | 554 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 555 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 556 | |
bogdanm | 0:9b334a45a8ff | 557 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 558 | } |
bogdanm | 0:9b334a45a8ff | 559 | else |
bogdanm | 0:9b334a45a8ff | 560 | { |
bogdanm | 0:9b334a45a8ff | 561 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 562 | } |
bogdanm | 0:9b334a45a8ff | 563 | } |
bogdanm | 0:9b334a45a8ff | 564 | |
bogdanm | 0:9b334a45a8ff | 565 | /** |
bogdanm | 0:9b334a45a8ff | 566 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (blocking mode). |
bogdanm | 0:9b334a45a8ff | 567 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 568 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 569 | * @param pTxData: Pointer to data transmitted buffer |
bogdanm | 0:9b334a45a8ff | 570 | * @param pRxData: Pointer to data received buffer |
bogdanm | 0:9b334a45a8ff | 571 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 572 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 573 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 574 | */ |
bogdanm | 0:9b334a45a8ff | 575 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 576 | { |
bogdanm | 0:9b334a45a8ff | 577 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 578 | |
bogdanm | 0:9b334a45a8ff | 579 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 580 | { |
bogdanm | 0:9b334a45a8ff | 581 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 582 | { |
bogdanm | 0:9b334a45a8ff | 583 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 584 | } |
bogdanm | 0:9b334a45a8ff | 585 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 586 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 587 | |
bogdanm | 0:9b334a45a8ff | 588 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 589 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 590 | |
bogdanm | 0:9b334a45a8ff | 591 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 592 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 593 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 594 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 595 | |
bogdanm | 0:9b334a45a8ff | 596 | /* Check the remain data to be received */ |
bogdanm | 0:9b334a45a8ff | 597 | while(husart->TxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 598 | { |
bogdanm | 0:9b334a45a8ff | 599 | husart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 600 | husart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 601 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 602 | { |
bogdanm | 0:9b334a45a8ff | 603 | /* Wait for TC flag in order to write data in DR */ |
bogdanm | 0:9b334a45a8ff | 604 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 605 | { |
bogdanm | 0:9b334a45a8ff | 606 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 607 | } |
bogdanm | 0:9b334a45a8ff | 608 | tmp = (uint16_t*) pTxData; |
bogdanm | 0:9b334a45a8ff | 609 | husart->Instance->DR = (*tmp & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 610 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 611 | { |
bogdanm | 0:9b334a45a8ff | 612 | pTxData += 2; |
bogdanm | 0:9b334a45a8ff | 613 | } |
bogdanm | 0:9b334a45a8ff | 614 | else |
bogdanm | 0:9b334a45a8ff | 615 | { |
bogdanm | 0:9b334a45a8ff | 616 | pTxData += 1; |
bogdanm | 0:9b334a45a8ff | 617 | } |
bogdanm | 0:9b334a45a8ff | 618 | |
bogdanm | 0:9b334a45a8ff | 619 | /* Wait for RXNE Flag */ |
bogdanm | 0:9b334a45a8ff | 620 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 621 | { |
bogdanm | 0:9b334a45a8ff | 622 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 623 | } |
bogdanm | 0:9b334a45a8ff | 624 | tmp = (uint16_t*) pRxData ; |
bogdanm | 0:9b334a45a8ff | 625 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 626 | { |
bogdanm | 0:9b334a45a8ff | 627 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 628 | pRxData += 2; |
bogdanm | 0:9b334a45a8ff | 629 | } |
bogdanm | 0:9b334a45a8ff | 630 | else |
bogdanm | 0:9b334a45a8ff | 631 | { |
bogdanm | 0:9b334a45a8ff | 632 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 633 | pRxData += 1; |
bogdanm | 0:9b334a45a8ff | 634 | } |
bogdanm | 0:9b334a45a8ff | 635 | } |
bogdanm | 0:9b334a45a8ff | 636 | else |
bogdanm | 0:9b334a45a8ff | 637 | { |
bogdanm | 0:9b334a45a8ff | 638 | /* Wait for TC flag in order to write data in DR */ |
bogdanm | 0:9b334a45a8ff | 639 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 640 | { |
bogdanm | 0:9b334a45a8ff | 641 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 642 | } |
bogdanm | 0:9b334a45a8ff | 643 | husart->Instance->DR = (*pTxData++ & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 644 | |
bogdanm | 0:9b334a45a8ff | 645 | /* Wait for RXNE Flag */ |
bogdanm | 0:9b334a45a8ff | 646 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 647 | { |
bogdanm | 0:9b334a45a8ff | 648 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 649 | } |
bogdanm | 0:9b334a45a8ff | 650 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 651 | { |
bogdanm | 0:9b334a45a8ff | 652 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 653 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 654 | } |
bogdanm | 0:9b334a45a8ff | 655 | else |
bogdanm | 0:9b334a45a8ff | 656 | { |
bogdanm | 0:9b334a45a8ff | 657 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 658 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 659 | } |
bogdanm | 0:9b334a45a8ff | 660 | } |
bogdanm | 0:9b334a45a8ff | 661 | } |
bogdanm | 0:9b334a45a8ff | 662 | |
bogdanm | 0:9b334a45a8ff | 663 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 664 | |
bogdanm | 0:9b334a45a8ff | 665 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 666 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 667 | |
bogdanm | 0:9b334a45a8ff | 668 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 669 | } |
bogdanm | 0:9b334a45a8ff | 670 | else |
bogdanm | 0:9b334a45a8ff | 671 | { |
bogdanm | 0:9b334a45a8ff | 672 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 673 | } |
bogdanm | 0:9b334a45a8ff | 674 | } |
bogdanm | 0:9b334a45a8ff | 675 | |
bogdanm | 0:9b334a45a8ff | 676 | /** |
bogdanm | 0:9b334a45a8ff | 677 | * @brief Simplex Send an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 678 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 679 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 680 | * @param pTxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 681 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 682 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 683 | * @note The USART errors are not managed to avoid the overrun error. |
bogdanm | 0:9b334a45a8ff | 684 | */ |
bogdanm | 0:9b334a45a8ff | 685 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 686 | { |
bogdanm | 0:9b334a45a8ff | 687 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 688 | { |
bogdanm | 0:9b334a45a8ff | 689 | if((pTxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 690 | { |
bogdanm | 0:9b334a45a8ff | 691 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 692 | } |
bogdanm | 0:9b334a45a8ff | 693 | |
bogdanm | 0:9b334a45a8ff | 694 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 695 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 696 | |
bogdanm | 0:9b334a45a8ff | 697 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 698 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 699 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 700 | |
bogdanm | 0:9b334a45a8ff | 701 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 702 | husart->State = HAL_USART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 703 | |
bogdanm | 0:9b334a45a8ff | 704 | /* The USART Error Interrupts: (Frame error, Noise error, Overrun error) |
bogdanm | 0:9b334a45a8ff | 705 | are not managed by the USART transmit process to avoid the overrun interrupt |
bogdanm | 0:9b334a45a8ff | 706 | when the USART mode is configured for transmit and receive "USART_MODE_TX_RX" |
bogdanm | 0:9b334a45a8ff | 707 | to benefit for the frame error and noise interrupts the USART mode should be |
bogdanm | 0:9b334a45a8ff | 708 | configured only for transmit "USART_MODE_TX" |
bogdanm | 0:9b334a45a8ff | 709 | The __HAL_USART_ENABLE_IT(husart, USART_IT_ERR) can be used to enable the Frame error, |
bogdanm | 0:9b334a45a8ff | 710 | Noise error interrupt */ |
bogdanm | 0:9b334a45a8ff | 711 | |
bogdanm | 0:9b334a45a8ff | 712 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 713 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 714 | |
bogdanm | 0:9b334a45a8ff | 715 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 716 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 717 | |
bogdanm | 0:9b334a45a8ff | 718 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 719 | } |
bogdanm | 0:9b334a45a8ff | 720 | else |
bogdanm | 0:9b334a45a8ff | 721 | { |
bogdanm | 0:9b334a45a8ff | 722 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 723 | } |
bogdanm | 0:9b334a45a8ff | 724 | } |
bogdanm | 0:9b334a45a8ff | 725 | |
bogdanm | 0:9b334a45a8ff | 726 | /** |
bogdanm | 0:9b334a45a8ff | 727 | * @brief Simplex Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 728 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 729 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 730 | * @param pRxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 731 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 732 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 733 | */ |
bogdanm | 0:9b334a45a8ff | 734 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 735 | { |
bogdanm | 0:9b334a45a8ff | 736 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 737 | { |
bogdanm | 0:9b334a45a8ff | 738 | if((pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 739 | { |
bogdanm | 0:9b334a45a8ff | 740 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 741 | } |
bogdanm | 0:9b334a45a8ff | 742 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 743 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 744 | |
bogdanm | 0:9b334a45a8ff | 745 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 746 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 747 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 748 | |
bogdanm | 0:9b334a45a8ff | 749 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 750 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 751 | |
bogdanm | 0:9b334a45a8ff | 752 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 753 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 754 | |
bogdanm | 0:9b334a45a8ff | 755 | /* Enable the USART Data Register not empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 756 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 757 | |
bogdanm | 0:9b334a45a8ff | 758 | /* Enable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 759 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 760 | |
bogdanm | 0:9b334a45a8ff | 761 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 762 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 763 | |
bogdanm | 0:9b334a45a8ff | 764 | /* Send dummy byte in order to generate the clock for the slave to send data */ |
bogdanm | 0:9b334a45a8ff | 765 | husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 766 | |
bogdanm | 0:9b334a45a8ff | 767 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 768 | } |
bogdanm | 0:9b334a45a8ff | 769 | else |
bogdanm | 0:9b334a45a8ff | 770 | { |
bogdanm | 0:9b334a45a8ff | 771 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 772 | } |
bogdanm | 0:9b334a45a8ff | 773 | } |
bogdanm | 0:9b334a45a8ff | 774 | |
bogdanm | 0:9b334a45a8ff | 775 | /** |
bogdanm | 0:9b334a45a8ff | 776 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
bogdanm | 0:9b334a45a8ff | 777 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 778 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 779 | * @param pTxData: Pointer to data transmitted buffer |
bogdanm | 0:9b334a45a8ff | 780 | * @param pRxData: Pointer to data received buffer |
bogdanm | 0:9b334a45a8ff | 781 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 782 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 783 | */ |
bogdanm | 0:9b334a45a8ff | 784 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 785 | { |
bogdanm | 0:9b334a45a8ff | 786 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 787 | { |
bogdanm | 0:9b334a45a8ff | 788 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 789 | { |
bogdanm | 0:9b334a45a8ff | 790 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 791 | } |
bogdanm | 0:9b334a45a8ff | 792 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 793 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 794 | |
bogdanm | 0:9b334a45a8ff | 795 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 796 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 797 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 798 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 799 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 800 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 801 | |
bogdanm | 0:9b334a45a8ff | 802 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 803 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 804 | |
bogdanm | 0:9b334a45a8ff | 805 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 806 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 807 | |
bogdanm | 0:9b334a45a8ff | 808 | /* Enable the USART Data Register not empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 809 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 810 | |
bogdanm | 0:9b334a45a8ff | 811 | /* Enable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 812 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 813 | |
bogdanm | 0:9b334a45a8ff | 814 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 815 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 816 | |
bogdanm | 0:9b334a45a8ff | 817 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 818 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 819 | |
bogdanm | 0:9b334a45a8ff | 820 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 821 | } |
bogdanm | 0:9b334a45a8ff | 822 | else |
bogdanm | 0:9b334a45a8ff | 823 | { |
bogdanm | 0:9b334a45a8ff | 824 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 825 | } |
bogdanm | 0:9b334a45a8ff | 826 | } |
bogdanm | 0:9b334a45a8ff | 827 | |
bogdanm | 0:9b334a45a8ff | 828 | /** |
bogdanm | 0:9b334a45a8ff | 829 | * @brief Simplex Send an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 830 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 831 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 832 | * @param pTxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 833 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 834 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 835 | */ |
bogdanm | 0:9b334a45a8ff | 836 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 837 | { |
bogdanm | 0:9b334a45a8ff | 838 | uint32_t *tmp; |
bogdanm | 0:9b334a45a8ff | 839 | |
bogdanm | 0:9b334a45a8ff | 840 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 841 | { |
bogdanm | 0:9b334a45a8ff | 842 | if((pTxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 843 | { |
bogdanm | 0:9b334a45a8ff | 844 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 845 | } |
bogdanm | 0:9b334a45a8ff | 846 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 847 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 848 | |
bogdanm | 0:9b334a45a8ff | 849 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 850 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 851 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 852 | |
bogdanm | 0:9b334a45a8ff | 853 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 854 | husart->State = HAL_USART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 855 | |
bogdanm | 0:9b334a45a8ff | 856 | /* Set the USART DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 857 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
bogdanm | 0:9b334a45a8ff | 858 | |
bogdanm | 0:9b334a45a8ff | 859 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 860 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 861 | |
bogdanm | 0:9b334a45a8ff | 862 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 863 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 864 | |
bogdanm | 0:9b334a45a8ff | 865 | /* Enable the USART transmit DMA Stream */ |
bogdanm | 0:9b334a45a8ff | 866 | tmp = (uint32_t*)&pTxData; |
bogdanm | 0:9b334a45a8ff | 867 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
bogdanm | 0:9b334a45a8ff | 868 | |
bogdanm | 0:9b334a45a8ff | 869 | /* Clear the TC flag in the SR register by writing 0 to it */ |
bogdanm | 0:9b334a45a8ff | 870 | __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC); |
bogdanm | 0:9b334a45a8ff | 871 | |
bogdanm | 0:9b334a45a8ff | 872 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 873 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 874 | husart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 875 | |
bogdanm | 0:9b334a45a8ff | 876 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 877 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 878 | |
bogdanm | 0:9b334a45a8ff | 879 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 880 | } |
bogdanm | 0:9b334a45a8ff | 881 | else |
bogdanm | 0:9b334a45a8ff | 882 | { |
bogdanm | 0:9b334a45a8ff | 883 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 884 | } |
bogdanm | 0:9b334a45a8ff | 885 | } |
bogdanm | 0:9b334a45a8ff | 886 | |
bogdanm | 0:9b334a45a8ff | 887 | /** |
bogdanm | 0:9b334a45a8ff | 888 | * @brief Full-Duplex Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 889 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 890 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 891 | * @param pRxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 892 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 893 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 894 | * @note The USART DMA transmit stream must be configured in order to generate the clock for the slave. |
bogdanm | 0:9b334a45a8ff | 895 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
bogdanm | 0:9b334a45a8ff | 896 | */ |
bogdanm | 0:9b334a45a8ff | 897 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 898 | { |
bogdanm | 0:9b334a45a8ff | 899 | uint32_t *tmp; |
bogdanm | 0:9b334a45a8ff | 900 | |
bogdanm | 0:9b334a45a8ff | 901 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 902 | { |
bogdanm | 0:9b334a45a8ff | 903 | if((pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 904 | { |
bogdanm | 0:9b334a45a8ff | 905 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 906 | } |
bogdanm | 0:9b334a45a8ff | 907 | |
bogdanm | 0:9b334a45a8ff | 908 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 909 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 910 | |
bogdanm | 0:9b334a45a8ff | 911 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 912 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 913 | husart->pTxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 914 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 915 | |
bogdanm | 0:9b334a45a8ff | 916 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 917 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 918 | |
bogdanm | 0:9b334a45a8ff | 919 | /* Set the USART DMA Rx transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 920 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
bogdanm | 0:9b334a45a8ff | 921 | |
bogdanm | 0:9b334a45a8ff | 922 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 923 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 924 | |
bogdanm | 0:9b334a45a8ff | 925 | /* Set the USART DMA Rx transfer error callback */ |
bogdanm | 0:9b334a45a8ff | 926 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 927 | |
bogdanm | 0:9b334a45a8ff | 928 | /* Enable the USART receive DMA Stream */ |
bogdanm | 0:9b334a45a8ff | 929 | tmp = (uint32_t*)&pRxData; |
bogdanm | 0:9b334a45a8ff | 930 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t*)tmp, Size); |
bogdanm | 0:9b334a45a8ff | 931 | |
bogdanm | 0:9b334a45a8ff | 932 | /* Enable the USART transmit DMA Stream: the transmit stream is used in order |
bogdanm | 0:9b334a45a8ff | 933 | to generate in the non-blocking mode the clock to the slave device, |
bogdanm | 0:9b334a45a8ff | 934 | this mode isn't a simplex receive mode but a full-duplex receive one */ |
bogdanm | 0:9b334a45a8ff | 935 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
bogdanm | 0:9b334a45a8ff | 936 | |
bogdanm | 0:9b334a45a8ff | 937 | /* Clear the Overrun flag just before enabling the DMA Rx request: mandatory for the second transfer |
bogdanm | 0:9b334a45a8ff | 938 | when using the USART in circular mode */ |
bogdanm | 0:9b334a45a8ff | 939 | __HAL_USART_CLEAR_OREFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 940 | |
bogdanm | 0:9b334a45a8ff | 941 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 942 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 943 | husart->Instance->CR3 |= USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 944 | |
bogdanm | 0:9b334a45a8ff | 945 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 946 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 947 | husart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 948 | |
bogdanm | 0:9b334a45a8ff | 949 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 950 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 951 | |
bogdanm | 0:9b334a45a8ff | 952 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 953 | } |
bogdanm | 0:9b334a45a8ff | 954 | else |
bogdanm | 0:9b334a45a8ff | 955 | { |
bogdanm | 0:9b334a45a8ff | 956 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 957 | } |
bogdanm | 0:9b334a45a8ff | 958 | } |
bogdanm | 0:9b334a45a8ff | 959 | |
bogdanm | 0:9b334a45a8ff | 960 | /** |
bogdanm | 0:9b334a45a8ff | 961 | * @brief Full-Duplex Transmit Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 962 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 963 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 964 | * @param pTxData: Pointer to data transmitted buffer |
bogdanm | 0:9b334a45a8ff | 965 | * @param pRxData: Pointer to data received buffer |
bogdanm | 0:9b334a45a8ff | 966 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 967 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
bogdanm | 0:9b334a45a8ff | 968 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 969 | */ |
bogdanm | 0:9b334a45a8ff | 970 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 971 | { |
bogdanm | 0:9b334a45a8ff | 972 | uint32_t *tmp; |
bogdanm | 0:9b334a45a8ff | 973 | |
bogdanm | 0:9b334a45a8ff | 974 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 975 | { |
bogdanm | 0:9b334a45a8ff | 976 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 977 | { |
bogdanm | 0:9b334a45a8ff | 978 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 979 | } |
bogdanm | 0:9b334a45a8ff | 980 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 981 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 982 | |
bogdanm | 0:9b334a45a8ff | 983 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 984 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 985 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 986 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 987 | |
bogdanm | 0:9b334a45a8ff | 988 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 989 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 990 | |
bogdanm | 0:9b334a45a8ff | 991 | /* Set the USART DMA Rx transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 992 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
bogdanm | 0:9b334a45a8ff | 993 | |
bogdanm | 0:9b334a45a8ff | 994 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 995 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 996 | |
bogdanm | 0:9b334a45a8ff | 997 | /* Set the USART DMA Tx transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 998 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
bogdanm | 0:9b334a45a8ff | 999 | |
bogdanm | 0:9b334a45a8ff | 1000 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1001 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 1002 | |
bogdanm | 0:9b334a45a8ff | 1003 | /* Set the USART DMA Tx transfer error callback */ |
bogdanm | 0:9b334a45a8ff | 1004 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 1005 | |
bogdanm | 0:9b334a45a8ff | 1006 | /* Set the USART DMA Rx transfer error callback */ |
bogdanm | 0:9b334a45a8ff | 1007 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 1008 | |
bogdanm | 0:9b334a45a8ff | 1009 | /* Enable the USART receive DMA Stream */ |
bogdanm | 0:9b334a45a8ff | 1010 | tmp = (uint32_t*)&pRxData; |
bogdanm | 0:9b334a45a8ff | 1011 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t*)tmp, Size); |
bogdanm | 0:9b334a45a8ff | 1012 | |
bogdanm | 0:9b334a45a8ff | 1013 | /* Enable the USART transmit DMA Stream */ |
bogdanm | 0:9b334a45a8ff | 1014 | tmp = (uint32_t*)&pTxData; |
bogdanm | 0:9b334a45a8ff | 1015 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
bogdanm | 0:9b334a45a8ff | 1016 | |
bogdanm | 0:9b334a45a8ff | 1017 | /* Clear the TC flag in the SR register by writing 0 to it */ |
bogdanm | 0:9b334a45a8ff | 1018 | __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC); |
bogdanm | 0:9b334a45a8ff | 1019 | |
bogdanm | 0:9b334a45a8ff | 1020 | /* Clear the Overrun flag: mandatory for the second transfer in circular mode */ |
bogdanm | 0:9b334a45a8ff | 1021 | __HAL_USART_CLEAR_OREFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 1022 | |
bogdanm | 0:9b334a45a8ff | 1023 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 1024 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1025 | husart->Instance->CR3 |= USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 1026 | |
bogdanm | 0:9b334a45a8ff | 1027 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 1028 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1029 | husart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 1030 | |
bogdanm | 0:9b334a45a8ff | 1031 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1032 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1033 | |
bogdanm | 0:9b334a45a8ff | 1034 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1035 | } |
bogdanm | 0:9b334a45a8ff | 1036 | else |
bogdanm | 0:9b334a45a8ff | 1037 | { |
bogdanm | 0:9b334a45a8ff | 1038 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1039 | } |
bogdanm | 0:9b334a45a8ff | 1040 | } |
bogdanm | 0:9b334a45a8ff | 1041 | |
bogdanm | 0:9b334a45a8ff | 1042 | /** |
bogdanm | 0:9b334a45a8ff | 1043 | * @brief Pauses the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1044 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1045 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1046 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1047 | */ |
bogdanm | 0:9b334a45a8ff | 1048 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1049 | { |
bogdanm | 0:9b334a45a8ff | 1050 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1051 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1052 | |
bogdanm | 0:9b334a45a8ff | 1053 | /* Disable the USART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1054 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1055 | |
bogdanm | 0:9b334a45a8ff | 1056 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1057 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1058 | |
bogdanm | 0:9b334a45a8ff | 1059 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1060 | } |
bogdanm | 0:9b334a45a8ff | 1061 | |
bogdanm | 0:9b334a45a8ff | 1062 | /** |
bogdanm | 0:9b334a45a8ff | 1063 | * @brief Resumes the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1064 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1065 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1066 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1067 | */ |
bogdanm | 0:9b334a45a8ff | 1068 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1069 | { |
bogdanm | 0:9b334a45a8ff | 1070 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1071 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1072 | |
bogdanm | 0:9b334a45a8ff | 1073 | /* Enable the USART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1074 | husart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 1075 | |
bogdanm | 0:9b334a45a8ff | 1076 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1077 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1078 | |
bogdanm | 0:9b334a45a8ff | 1079 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1080 | } |
bogdanm | 0:9b334a45a8ff | 1081 | |
bogdanm | 0:9b334a45a8ff | 1082 | /** |
bogdanm | 0:9b334a45a8ff | 1083 | * @brief Stops the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1084 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1085 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1086 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1087 | */ |
bogdanm | 0:9b334a45a8ff | 1088 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1089 | { |
bogdanm | 0:9b334a45a8ff | 1090 | /* The Lock is not implemented on this API to allow the user application |
bogdanm | 0:9b334a45a8ff | 1091 | to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback(): |
bogdanm | 0:9b334a45a8ff | 1092 | when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated |
bogdanm | 0:9b334a45a8ff | 1093 | and the correspond call back is executed HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 1094 | */ |
bogdanm | 0:9b334a45a8ff | 1095 | |
bogdanm | 0:9b334a45a8ff | 1096 | /* Abort the USART DMA Tx Stream */ |
bogdanm | 0:9b334a45a8ff | 1097 | if(husart->hdmatx != NULL) |
bogdanm | 0:9b334a45a8ff | 1098 | { |
bogdanm | 0:9b334a45a8ff | 1099 | HAL_DMA_Abort(husart->hdmatx); |
bogdanm | 0:9b334a45a8ff | 1100 | } |
bogdanm | 0:9b334a45a8ff | 1101 | /* Abort the USART DMA Rx Stream */ |
bogdanm | 0:9b334a45a8ff | 1102 | if(husart->hdmarx != NULL) |
bogdanm | 0:9b334a45a8ff | 1103 | { |
bogdanm | 0:9b334a45a8ff | 1104 | HAL_DMA_Abort(husart->hdmarx); |
bogdanm | 0:9b334a45a8ff | 1105 | } |
bogdanm | 0:9b334a45a8ff | 1106 | |
bogdanm | 0:9b334a45a8ff | 1107 | /* Disable the USART Tx/Rx DMA requests */ |
bogdanm | 0:9b334a45a8ff | 1108 | husart->Instance->CR3 &= ~USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 1109 | husart->Instance->CR3 &= ~USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 1110 | |
bogdanm | 0:9b334a45a8ff | 1111 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1112 | |
bogdanm | 0:9b334a45a8ff | 1113 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1114 | } |
bogdanm | 0:9b334a45a8ff | 1115 | |
bogdanm | 0:9b334a45a8ff | 1116 | /** |
bogdanm | 0:9b334a45a8ff | 1117 | * @brief This function handles USART interrupt request. |
bogdanm | 0:9b334a45a8ff | 1118 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1119 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1120 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1121 | */ |
bogdanm | 0:9b334a45a8ff | 1122 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1123 | { |
bogdanm | 0:9b334a45a8ff | 1124 | uint32_t tmp1 = 0, tmp2 = 0; |
bogdanm | 0:9b334a45a8ff | 1125 | |
bogdanm | 0:9b334a45a8ff | 1126 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_PE); |
bogdanm | 0:9b334a45a8ff | 1127 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1128 | /* USART parity error interrupt occurred -----------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1129 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1130 | { |
bogdanm | 0:9b334a45a8ff | 1131 | __HAL_USART_CLEAR_PEFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 1132 | husart->ErrorCode |= HAL_USART_ERROR_PE; |
bogdanm | 0:9b334a45a8ff | 1133 | } |
bogdanm | 0:9b334a45a8ff | 1134 | |
bogdanm | 0:9b334a45a8ff | 1135 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_FE); |
bogdanm | 0:9b334a45a8ff | 1136 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1137 | /* USART frame error interrupt occurred ------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1138 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1139 | { |
bogdanm | 0:9b334a45a8ff | 1140 | __HAL_USART_CLEAR_FEFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 1141 | husart->ErrorCode |= HAL_USART_ERROR_FE; |
bogdanm | 0:9b334a45a8ff | 1142 | } |
bogdanm | 0:9b334a45a8ff | 1143 | |
bogdanm | 0:9b334a45a8ff | 1144 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_NE); |
bogdanm | 0:9b334a45a8ff | 1145 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1146 | /* USART noise error interrupt occurred ------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1147 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1148 | { |
bogdanm | 0:9b334a45a8ff | 1149 | __HAL_USART_CLEAR_NEFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 1150 | husart->ErrorCode |= HAL_USART_ERROR_NE; |
bogdanm | 0:9b334a45a8ff | 1151 | } |
bogdanm | 0:9b334a45a8ff | 1152 | |
bogdanm | 0:9b334a45a8ff | 1153 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_ORE); |
bogdanm | 0:9b334a45a8ff | 1154 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1155 | /* USART Over-Run interrupt occurred ---------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1156 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1157 | { |
bogdanm | 0:9b334a45a8ff | 1158 | __HAL_USART_CLEAR_OREFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 1159 | husart->ErrorCode |= HAL_USART_ERROR_ORE; |
bogdanm | 0:9b334a45a8ff | 1160 | } |
bogdanm | 0:9b334a45a8ff | 1161 | |
bogdanm | 0:9b334a45a8ff | 1162 | if(husart->ErrorCode != HAL_USART_ERROR_NONE) |
bogdanm | 0:9b334a45a8ff | 1163 | { |
bogdanm | 0:9b334a45a8ff | 1164 | /* Set the USART state ready to be able to start again the process */ |
bogdanm | 0:9b334a45a8ff | 1165 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1166 | |
bogdanm | 0:9b334a45a8ff | 1167 | HAL_USART_ErrorCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1168 | } |
bogdanm | 0:9b334a45a8ff | 1169 | |
bogdanm | 0:9b334a45a8ff | 1170 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE); |
bogdanm | 0:9b334a45a8ff | 1171 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1172 | /* USART in mode Receiver --------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1173 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1174 | { |
bogdanm | 0:9b334a45a8ff | 1175 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1176 | { |
bogdanm | 0:9b334a45a8ff | 1177 | USART_Receive_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1178 | } |
bogdanm | 0:9b334a45a8ff | 1179 | else |
bogdanm | 0:9b334a45a8ff | 1180 | { |
bogdanm | 0:9b334a45a8ff | 1181 | USART_TransmitReceive_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1182 | } |
bogdanm | 0:9b334a45a8ff | 1183 | } |
bogdanm | 0:9b334a45a8ff | 1184 | |
bogdanm | 0:9b334a45a8ff | 1185 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_TXE); |
bogdanm | 0:9b334a45a8ff | 1186 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1187 | /* USART in mode Transmitter -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1188 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1189 | { |
bogdanm | 0:9b334a45a8ff | 1190 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1191 | { |
bogdanm | 0:9b334a45a8ff | 1192 | USART_Transmit_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1193 | } |
bogdanm | 0:9b334a45a8ff | 1194 | else |
bogdanm | 0:9b334a45a8ff | 1195 | { |
bogdanm | 0:9b334a45a8ff | 1196 | USART_TransmitReceive_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1197 | } |
bogdanm | 0:9b334a45a8ff | 1198 | } |
bogdanm | 0:9b334a45a8ff | 1199 | |
bogdanm | 0:9b334a45a8ff | 1200 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_TC); |
bogdanm | 0:9b334a45a8ff | 1201 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1202 | /* USART in mode Transmitter (transmission end) ----------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1203 | if((tmp1 != RESET) && (tmp2 != RESET)) |
bogdanm | 0:9b334a45a8ff | 1204 | { |
bogdanm | 0:9b334a45a8ff | 1205 | USART_EndTransmit_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1206 | } |
bogdanm | 0:9b334a45a8ff | 1207 | } |
bogdanm | 0:9b334a45a8ff | 1208 | |
bogdanm | 0:9b334a45a8ff | 1209 | /** |
bogdanm | 0:9b334a45a8ff | 1210 | * @brief Tx Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1211 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1212 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1213 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1214 | */ |
bogdanm | 0:9b334a45a8ff | 1215 | __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1216 | { |
bogdanm | 0:9b334a45a8ff | 1217 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1218 | the HAL_USART_TxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1219 | */ |
bogdanm | 0:9b334a45a8ff | 1220 | } |
bogdanm | 0:9b334a45a8ff | 1221 | |
bogdanm | 0:9b334a45a8ff | 1222 | /** |
bogdanm | 0:9b334a45a8ff | 1223 | * @brief Tx Half Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1224 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1225 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1226 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1227 | */ |
bogdanm | 0:9b334a45a8ff | 1228 | __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1229 | { |
bogdanm | 0:9b334a45a8ff | 1230 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1231 | the HAL_USART_TxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1232 | */ |
bogdanm | 0:9b334a45a8ff | 1233 | } |
bogdanm | 0:9b334a45a8ff | 1234 | |
bogdanm | 0:9b334a45a8ff | 1235 | /** |
bogdanm | 0:9b334a45a8ff | 1236 | * @brief Rx Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1237 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1238 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1239 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1240 | */ |
bogdanm | 0:9b334a45a8ff | 1241 | __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1242 | { |
bogdanm | 0:9b334a45a8ff | 1243 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1244 | the HAL_USART_TxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1245 | */ |
bogdanm | 0:9b334a45a8ff | 1246 | } |
bogdanm | 0:9b334a45a8ff | 1247 | |
bogdanm | 0:9b334a45a8ff | 1248 | /** |
bogdanm | 0:9b334a45a8ff | 1249 | * @brief Rx Half Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1250 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1251 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1252 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1253 | */ |
bogdanm | 0:9b334a45a8ff | 1254 | __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1255 | { |
bogdanm | 0:9b334a45a8ff | 1256 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1257 | the HAL_USART_TxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1258 | */ |
bogdanm | 0:9b334a45a8ff | 1259 | } |
bogdanm | 0:9b334a45a8ff | 1260 | |
bogdanm | 0:9b334a45a8ff | 1261 | /** |
bogdanm | 0:9b334a45a8ff | 1262 | * @brief Tx/Rx Transfers completed callback for the non-blocking process. |
bogdanm | 0:9b334a45a8ff | 1263 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1264 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1265 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1266 | */ |
bogdanm | 0:9b334a45a8ff | 1267 | __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1268 | { |
bogdanm | 0:9b334a45a8ff | 1269 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1270 | the HAL_USART_TxCpltCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1271 | */ |
bogdanm | 0:9b334a45a8ff | 1272 | } |
bogdanm | 0:9b334a45a8ff | 1273 | |
bogdanm | 0:9b334a45a8ff | 1274 | /** |
bogdanm | 0:9b334a45a8ff | 1275 | * @brief USART error callbacks. |
bogdanm | 0:9b334a45a8ff | 1276 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1277 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1278 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1279 | */ |
bogdanm | 0:9b334a45a8ff | 1280 | __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1281 | { |
bogdanm | 0:9b334a45a8ff | 1282 | /* NOTE: This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1283 | the HAL_USART_ErrorCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1284 | */ |
bogdanm | 0:9b334a45a8ff | 1285 | } |
bogdanm | 0:9b334a45a8ff | 1286 | |
bogdanm | 0:9b334a45a8ff | 1287 | /** |
bogdanm | 0:9b334a45a8ff | 1288 | * @} |
bogdanm | 0:9b334a45a8ff | 1289 | */ |
bogdanm | 0:9b334a45a8ff | 1290 | |
bogdanm | 0:9b334a45a8ff | 1291 | /** @defgroup USART_Exported_Functions_Group3 Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 1292 | * @brief USART State and Errors functions |
bogdanm | 0:9b334a45a8ff | 1293 | * |
bogdanm | 0:9b334a45a8ff | 1294 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1295 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1296 | ##### Peripheral State and Errors functions ##### |
bogdanm | 0:9b334a45a8ff | 1297 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1298 | [..] |
bogdanm | 0:9b334a45a8ff | 1299 | This subsection provides a set of functions allowing to return the State of |
bogdanm | 0:9b334a45a8ff | 1300 | USART communication |
bogdanm | 0:9b334a45a8ff | 1301 | process, return Peripheral Errors occurred during communication process |
bogdanm | 0:9b334a45a8ff | 1302 | (+) HAL_USART_GetState() API can be helpful to check in run-time the state |
bogdanm | 0:9b334a45a8ff | 1303 | of the USART peripheral. |
bogdanm | 0:9b334a45a8ff | 1304 | (+) HAL_USART_GetError() check in run-time errors that could be occurred during |
bogdanm | 0:9b334a45a8ff | 1305 | communication. |
bogdanm | 0:9b334a45a8ff | 1306 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1307 | * @{ |
bogdanm | 0:9b334a45a8ff | 1308 | */ |
bogdanm | 0:9b334a45a8ff | 1309 | |
bogdanm | 0:9b334a45a8ff | 1310 | /** |
bogdanm | 0:9b334a45a8ff | 1311 | * @brief Returns the USART state. |
bogdanm | 0:9b334a45a8ff | 1312 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1313 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1314 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 1315 | */ |
bogdanm | 0:9b334a45a8ff | 1316 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1317 | { |
bogdanm | 0:9b334a45a8ff | 1318 | return husart->State; |
bogdanm | 0:9b334a45a8ff | 1319 | } |
bogdanm | 0:9b334a45a8ff | 1320 | |
bogdanm | 0:9b334a45a8ff | 1321 | /** |
bogdanm | 0:9b334a45a8ff | 1322 | * @brief Return the USART error code |
bogdanm | 0:9b334a45a8ff | 1323 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1324 | * the configuration information for the specified USART. |
bogdanm | 0:9b334a45a8ff | 1325 | * @retval USART Error Code |
bogdanm | 0:9b334a45a8ff | 1326 | */ |
bogdanm | 0:9b334a45a8ff | 1327 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1328 | { |
bogdanm | 0:9b334a45a8ff | 1329 | return husart->ErrorCode; |
bogdanm | 0:9b334a45a8ff | 1330 | } |
bogdanm | 0:9b334a45a8ff | 1331 | |
bogdanm | 0:9b334a45a8ff | 1332 | /** |
bogdanm | 0:9b334a45a8ff | 1333 | * @} |
bogdanm | 0:9b334a45a8ff | 1334 | */ |
bogdanm | 0:9b334a45a8ff | 1335 | |
bogdanm | 0:9b334a45a8ff | 1336 | |
bogdanm | 0:9b334a45a8ff | 1337 | /** |
bogdanm | 0:9b334a45a8ff | 1338 | * @brief DMA USART transmit process complete callback. |
bogdanm | 0:9b334a45a8ff | 1339 | * @param hdma: DMA handle |
bogdanm | 0:9b334a45a8ff | 1340 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1341 | */ |
bogdanm | 0:9b334a45a8ff | 1342 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1343 | { |
bogdanm | 0:9b334a45a8ff | 1344 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1345 | /* DMA Normal mode */ |
bogdanm | 0:9b334a45a8ff | 1346 | if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0) |
bogdanm | 0:9b334a45a8ff | 1347 | { |
bogdanm | 0:9b334a45a8ff | 1348 | husart->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1349 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1350 | { |
bogdanm | 0:9b334a45a8ff | 1351 | /* Disable the DMA transfer for transmit request by resetting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 1352 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1353 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1354 | |
bogdanm | 0:9b334a45a8ff | 1355 | /* Enable the USART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1356 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1357 | } |
bogdanm | 0:9b334a45a8ff | 1358 | } |
bogdanm | 0:9b334a45a8ff | 1359 | /* DMA Circular mode */ |
bogdanm | 0:9b334a45a8ff | 1360 | else |
bogdanm | 0:9b334a45a8ff | 1361 | { |
bogdanm | 0:9b334a45a8ff | 1362 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1363 | { |
bogdanm | 0:9b334a45a8ff | 1364 | HAL_USART_TxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1365 | } |
bogdanm | 0:9b334a45a8ff | 1366 | } |
bogdanm | 0:9b334a45a8ff | 1367 | } |
bogdanm | 0:9b334a45a8ff | 1368 | |
bogdanm | 0:9b334a45a8ff | 1369 | /** |
bogdanm | 0:9b334a45a8ff | 1370 | * @brief DMA USART transmit process half complete callback |
bogdanm | 0:9b334a45a8ff | 1371 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1372 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1373 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1374 | */ |
bogdanm | 0:9b334a45a8ff | 1375 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1376 | { |
bogdanm | 0:9b334a45a8ff | 1377 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1378 | |
bogdanm | 0:9b334a45a8ff | 1379 | HAL_USART_TxHalfCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1380 | } |
bogdanm | 0:9b334a45a8ff | 1381 | |
bogdanm | 0:9b334a45a8ff | 1382 | /** |
bogdanm | 0:9b334a45a8ff | 1383 | * @brief DMA USART receive process complete callback. |
bogdanm | 0:9b334a45a8ff | 1384 | * @param hdma: DMA handle |
bogdanm | 0:9b334a45a8ff | 1385 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1386 | */ |
bogdanm | 0:9b334a45a8ff | 1387 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1388 | { |
bogdanm | 0:9b334a45a8ff | 1389 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1390 | /* DMA Normal mode */ |
bogdanm | 0:9b334a45a8ff | 1391 | if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0) |
bogdanm | 0:9b334a45a8ff | 1392 | { |
bogdanm | 0:9b334a45a8ff | 1393 | husart->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1394 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1395 | { |
bogdanm | 0:9b334a45a8ff | 1396 | /* Disable the DMA transfer for the Transmit/receiver requests by setting the DMAT/DMAR bit |
bogdanm | 0:9b334a45a8ff | 1397 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1398 | husart->Instance->CR3 &= ~(USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1399 | |
bogdanm | 0:9b334a45a8ff | 1400 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1401 | HAL_USART_RxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1402 | } |
bogdanm | 0:9b334a45a8ff | 1403 | /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ |
bogdanm | 0:9b334a45a8ff | 1404 | else |
bogdanm | 0:9b334a45a8ff | 1405 | { |
bogdanm | 0:9b334a45a8ff | 1406 | /* Disable the DMA transfer for the Transmit/receiver requests by setting the DMAT/DMAR bit |
bogdanm | 0:9b334a45a8ff | 1407 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1408 | husart->Instance->CR3 &= ~(USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1409 | husart->Instance->CR3 &= ~(USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1410 | |
bogdanm | 0:9b334a45a8ff | 1411 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1412 | HAL_USART_TxRxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1413 | } |
bogdanm | 0:9b334a45a8ff | 1414 | } |
bogdanm | 0:9b334a45a8ff | 1415 | /* DMA circular mode */ |
bogdanm | 0:9b334a45a8ff | 1416 | else |
bogdanm | 0:9b334a45a8ff | 1417 | { |
bogdanm | 0:9b334a45a8ff | 1418 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1419 | { |
bogdanm | 0:9b334a45a8ff | 1420 | HAL_USART_RxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1421 | } |
bogdanm | 0:9b334a45a8ff | 1422 | /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ |
bogdanm | 0:9b334a45a8ff | 1423 | else |
bogdanm | 0:9b334a45a8ff | 1424 | { |
bogdanm | 0:9b334a45a8ff | 1425 | HAL_USART_TxRxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1426 | } |
bogdanm | 0:9b334a45a8ff | 1427 | } |
bogdanm | 0:9b334a45a8ff | 1428 | } |
bogdanm | 0:9b334a45a8ff | 1429 | |
bogdanm | 0:9b334a45a8ff | 1430 | /** |
bogdanm | 0:9b334a45a8ff | 1431 | * @brief DMA USART receive process half complete callback |
bogdanm | 0:9b334a45a8ff | 1432 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1433 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1434 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1435 | */ |
bogdanm | 0:9b334a45a8ff | 1436 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1437 | { |
bogdanm | 0:9b334a45a8ff | 1438 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1439 | |
bogdanm | 0:9b334a45a8ff | 1440 | HAL_USART_RxHalfCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1441 | } |
bogdanm | 0:9b334a45a8ff | 1442 | |
bogdanm | 0:9b334a45a8ff | 1443 | /** |
bogdanm | 0:9b334a45a8ff | 1444 | * @brief DMA USART communication error callback. |
bogdanm | 0:9b334a45a8ff | 1445 | * @param hdma: DMA handle |
bogdanm | 0:9b334a45a8ff | 1446 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1447 | */ |
bogdanm | 0:9b334a45a8ff | 1448 | static void USART_DMAError(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1449 | { |
bogdanm | 0:9b334a45a8ff | 1450 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1451 | |
bogdanm | 0:9b334a45a8ff | 1452 | husart->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1453 | husart->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1454 | husart->ErrorCode |= HAL_USART_ERROR_DMA; |
bogdanm | 0:9b334a45a8ff | 1455 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1456 | |
bogdanm | 0:9b334a45a8ff | 1457 | HAL_USART_ErrorCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1458 | } |
bogdanm | 0:9b334a45a8ff | 1459 | |
bogdanm | 0:9b334a45a8ff | 1460 | /** |
bogdanm | 0:9b334a45a8ff | 1461 | * @brief This function handles USART Communication Timeout. |
bogdanm | 0:9b334a45a8ff | 1462 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1463 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1464 | * @param Flag: specifies the USART flag to check. |
bogdanm | 0:9b334a45a8ff | 1465 | * @param Status: The new Flag status (SET or RESET). |
bogdanm | 0:9b334a45a8ff | 1466 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 1467 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1468 | */ |
bogdanm | 0:9b334a45a8ff | 1469 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 1470 | { |
bogdanm | 0:9b334a45a8ff | 1471 | uint32_t tickstart = 0; |
bogdanm | 0:9b334a45a8ff | 1472 | |
bogdanm | 0:9b334a45a8ff | 1473 | /* Get tick */ |
bogdanm | 0:9b334a45a8ff | 1474 | tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 1475 | |
bogdanm | 0:9b334a45a8ff | 1476 | /* Wait until flag is set */ |
bogdanm | 0:9b334a45a8ff | 1477 | if(Status == RESET) |
bogdanm | 0:9b334a45a8ff | 1478 | { |
bogdanm | 0:9b334a45a8ff | 1479 | while(__HAL_USART_GET_FLAG(husart, Flag) == RESET) |
bogdanm | 0:9b334a45a8ff | 1480 | { |
bogdanm | 0:9b334a45a8ff | 1481 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 1482 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1483 | { |
bogdanm | 0:9b334a45a8ff | 1484 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1485 | { |
bogdanm | 0:9b334a45a8ff | 1486 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
bogdanm | 0:9b334a45a8ff | 1487 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1488 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1489 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1490 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1491 | |
bogdanm | 0:9b334a45a8ff | 1492 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1493 | |
bogdanm | 0:9b334a45a8ff | 1494 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1495 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1496 | |
bogdanm | 0:9b334a45a8ff | 1497 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1498 | } |
bogdanm | 0:9b334a45a8ff | 1499 | } |
bogdanm | 0:9b334a45a8ff | 1500 | } |
bogdanm | 0:9b334a45a8ff | 1501 | } |
bogdanm | 0:9b334a45a8ff | 1502 | else |
bogdanm | 0:9b334a45a8ff | 1503 | { |
bogdanm | 0:9b334a45a8ff | 1504 | while(__HAL_USART_GET_FLAG(husart, Flag) != RESET) |
bogdanm | 0:9b334a45a8ff | 1505 | { |
bogdanm | 0:9b334a45a8ff | 1506 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 1507 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1508 | { |
bogdanm | 0:9b334a45a8ff | 1509 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1510 | { |
bogdanm | 0:9b334a45a8ff | 1511 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
bogdanm | 0:9b334a45a8ff | 1512 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1513 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1514 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1515 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1516 | |
bogdanm | 0:9b334a45a8ff | 1517 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1518 | |
bogdanm | 0:9b334a45a8ff | 1519 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1520 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1521 | |
bogdanm | 0:9b334a45a8ff | 1522 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1523 | } |
bogdanm | 0:9b334a45a8ff | 1524 | } |
bogdanm | 0:9b334a45a8ff | 1525 | } |
bogdanm | 0:9b334a45a8ff | 1526 | } |
bogdanm | 0:9b334a45a8ff | 1527 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1528 | } |
bogdanm | 0:9b334a45a8ff | 1529 | |
bogdanm | 0:9b334a45a8ff | 1530 | |
bogdanm | 0:9b334a45a8ff | 1531 | /** |
bogdanm | 0:9b334a45a8ff | 1532 | * @brief Simplex Send an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 1533 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1534 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1535 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1536 | * @note The USART errors are not managed to avoid the overrun error. |
bogdanm | 0:9b334a45a8ff | 1537 | */ |
bogdanm | 0:9b334a45a8ff | 1538 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1539 | { |
bogdanm | 0:9b334a45a8ff | 1540 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 1541 | |
bogdanm | 0:9b334a45a8ff | 1542 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1543 | { |
bogdanm | 0:9b334a45a8ff | 1544 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1545 | { |
bogdanm | 0:9b334a45a8ff | 1546 | tmp = (uint16_t*) husart->pTxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1547 | husart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1548 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1549 | { |
bogdanm | 0:9b334a45a8ff | 1550 | husart->pTxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1551 | } |
bogdanm | 0:9b334a45a8ff | 1552 | else |
bogdanm | 0:9b334a45a8ff | 1553 | { |
bogdanm | 0:9b334a45a8ff | 1554 | husart->pTxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1555 | } |
bogdanm | 0:9b334a45a8ff | 1556 | } |
bogdanm | 0:9b334a45a8ff | 1557 | else |
bogdanm | 0:9b334a45a8ff | 1558 | { |
bogdanm | 0:9b334a45a8ff | 1559 | husart->Instance->DR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1560 | } |
bogdanm | 0:9b334a45a8ff | 1561 | |
bogdanm | 0:9b334a45a8ff | 1562 | if(--husart->TxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1563 | { |
bogdanm | 0:9b334a45a8ff | 1564 | /* Disable the USART Transmit data register empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1565 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1566 | |
bogdanm | 0:9b334a45a8ff | 1567 | /* Enable the USART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1568 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1569 | } |
bogdanm | 0:9b334a45a8ff | 1570 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1571 | } |
bogdanm | 0:9b334a45a8ff | 1572 | else |
bogdanm | 0:9b334a45a8ff | 1573 | { |
bogdanm | 0:9b334a45a8ff | 1574 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1575 | } |
bogdanm | 0:9b334a45a8ff | 1576 | } |
bogdanm | 0:9b334a45a8ff | 1577 | |
bogdanm | 0:9b334a45a8ff | 1578 | /** |
bogdanm | 0:9b334a45a8ff | 1579 | * @brief Wraps up transmission in non blocking mode. |
bogdanm | 0:9b334a45a8ff | 1580 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1581 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1582 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1583 | */ |
bogdanm | 0:9b334a45a8ff | 1584 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1585 | { |
bogdanm | 0:9b334a45a8ff | 1586 | /* Disable the USART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1587 | __HAL_USART_DISABLE_IT(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1588 | |
bogdanm | 0:9b334a45a8ff | 1589 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1590 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1591 | |
bogdanm | 0:9b334a45a8ff | 1592 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1593 | |
bogdanm | 0:9b334a45a8ff | 1594 | HAL_USART_TxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1595 | |
bogdanm | 0:9b334a45a8ff | 1596 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1597 | } |
bogdanm | 0:9b334a45a8ff | 1598 | |
bogdanm | 0:9b334a45a8ff | 1599 | /** |
bogdanm | 0:9b334a45a8ff | 1600 | * @brief Simplex Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 1601 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1602 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1603 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1604 | */ |
bogdanm | 0:9b334a45a8ff | 1605 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1606 | { |
bogdanm | 0:9b334a45a8ff | 1607 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 1608 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1609 | { |
bogdanm | 0:9b334a45a8ff | 1610 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1611 | { |
bogdanm | 0:9b334a45a8ff | 1612 | tmp = (uint16_t*) husart->pRxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1613 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1614 | { |
bogdanm | 0:9b334a45a8ff | 1615 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1616 | husart->pRxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1617 | } |
bogdanm | 0:9b334a45a8ff | 1618 | else |
bogdanm | 0:9b334a45a8ff | 1619 | { |
bogdanm | 0:9b334a45a8ff | 1620 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1621 | husart->pRxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1622 | } |
bogdanm | 0:9b334a45a8ff | 1623 | if(--husart->RxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1624 | { |
bogdanm | 0:9b334a45a8ff | 1625 | /* Send dummy byte in order to generate the clock for the slave to send the next data */ |
bogdanm | 0:9b334a45a8ff | 1626 | husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1627 | } |
bogdanm | 0:9b334a45a8ff | 1628 | } |
bogdanm | 0:9b334a45a8ff | 1629 | else |
bogdanm | 0:9b334a45a8ff | 1630 | { |
bogdanm | 0:9b334a45a8ff | 1631 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1632 | { |
bogdanm | 0:9b334a45a8ff | 1633 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1634 | } |
bogdanm | 0:9b334a45a8ff | 1635 | else |
bogdanm | 0:9b334a45a8ff | 1636 | { |
bogdanm | 0:9b334a45a8ff | 1637 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 1638 | } |
bogdanm | 0:9b334a45a8ff | 1639 | |
bogdanm | 0:9b334a45a8ff | 1640 | if(--husart->RxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1641 | { |
bogdanm | 0:9b334a45a8ff | 1642 | /* Send dummy byte in order to generate the clock for the slave to send the next data */ |
bogdanm | 0:9b334a45a8ff | 1643 | husart->Instance->DR = (DUMMY_DATA & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1644 | } |
bogdanm | 0:9b334a45a8ff | 1645 | } |
bogdanm | 0:9b334a45a8ff | 1646 | |
bogdanm | 0:9b334a45a8ff | 1647 | if(husart->RxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1648 | { |
bogdanm | 0:9b334a45a8ff | 1649 | /* Disable the USART RXNE Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1650 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1651 | |
bogdanm | 0:9b334a45a8ff | 1652 | /* Disable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1653 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1654 | |
bogdanm | 0:9b334a45a8ff | 1655 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1656 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1657 | |
bogdanm | 0:9b334a45a8ff | 1658 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1659 | HAL_USART_RxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1660 | |
bogdanm | 0:9b334a45a8ff | 1661 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1662 | } |
bogdanm | 0:9b334a45a8ff | 1663 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1664 | } |
bogdanm | 0:9b334a45a8ff | 1665 | else |
bogdanm | 0:9b334a45a8ff | 1666 | { |
bogdanm | 0:9b334a45a8ff | 1667 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1668 | } |
bogdanm | 0:9b334a45a8ff | 1669 | } |
bogdanm | 0:9b334a45a8ff | 1670 | |
bogdanm | 0:9b334a45a8ff | 1671 | /** |
bogdanm | 0:9b334a45a8ff | 1672 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
bogdanm | 0:9b334a45a8ff | 1673 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1674 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1675 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1676 | */ |
bogdanm | 0:9b334a45a8ff | 1677 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1678 | { |
bogdanm | 0:9b334a45a8ff | 1679 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 1680 | |
bogdanm | 0:9b334a45a8ff | 1681 | if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1682 | { |
bogdanm | 0:9b334a45a8ff | 1683 | if(husart->TxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1684 | { |
bogdanm | 0:9b334a45a8ff | 1685 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) |
bogdanm | 0:9b334a45a8ff | 1686 | { |
bogdanm | 0:9b334a45a8ff | 1687 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1688 | { |
bogdanm | 0:9b334a45a8ff | 1689 | tmp = (uint16_t*) husart->pTxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1690 | husart->Instance->DR = (uint16_t)(*tmp & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1691 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1692 | { |
bogdanm | 0:9b334a45a8ff | 1693 | husart->pTxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1694 | } |
bogdanm | 0:9b334a45a8ff | 1695 | else |
bogdanm | 0:9b334a45a8ff | 1696 | { |
bogdanm | 0:9b334a45a8ff | 1697 | husart->pTxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1698 | } |
bogdanm | 0:9b334a45a8ff | 1699 | } |
bogdanm | 0:9b334a45a8ff | 1700 | else |
bogdanm | 0:9b334a45a8ff | 1701 | { |
bogdanm | 0:9b334a45a8ff | 1702 | husart->Instance->DR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1703 | } |
bogdanm | 0:9b334a45a8ff | 1704 | husart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1705 | |
bogdanm | 0:9b334a45a8ff | 1706 | /* Check the latest data transmitted */ |
bogdanm | 0:9b334a45a8ff | 1707 | if(husart->TxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1708 | { |
bogdanm | 0:9b334a45a8ff | 1709 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1710 | } |
bogdanm | 0:9b334a45a8ff | 1711 | } |
bogdanm | 0:9b334a45a8ff | 1712 | } |
bogdanm | 0:9b334a45a8ff | 1713 | |
bogdanm | 0:9b334a45a8ff | 1714 | if(husart->RxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1715 | { |
bogdanm | 0:9b334a45a8ff | 1716 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) |
bogdanm | 0:9b334a45a8ff | 1717 | { |
bogdanm | 0:9b334a45a8ff | 1718 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1719 | { |
bogdanm | 0:9b334a45a8ff | 1720 | tmp = (uint16_t*) husart->pRxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1721 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1722 | { |
bogdanm | 0:9b334a45a8ff | 1723 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1724 | husart->pRxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1725 | } |
bogdanm | 0:9b334a45a8ff | 1726 | else |
bogdanm | 0:9b334a45a8ff | 1727 | { |
bogdanm | 0:9b334a45a8ff | 1728 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1729 | husart->pRxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1730 | } |
bogdanm | 0:9b334a45a8ff | 1731 | } |
bogdanm | 0:9b334a45a8ff | 1732 | else |
bogdanm | 0:9b334a45a8ff | 1733 | { |
bogdanm | 0:9b334a45a8ff | 1734 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1735 | { |
bogdanm | 0:9b334a45a8ff | 1736 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1737 | } |
bogdanm | 0:9b334a45a8ff | 1738 | else |
bogdanm | 0:9b334a45a8ff | 1739 | { |
bogdanm | 0:9b334a45a8ff | 1740 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 1741 | } |
bogdanm | 0:9b334a45a8ff | 1742 | } |
bogdanm | 0:9b334a45a8ff | 1743 | husart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1744 | } |
bogdanm | 0:9b334a45a8ff | 1745 | } |
bogdanm | 0:9b334a45a8ff | 1746 | |
bogdanm | 0:9b334a45a8ff | 1747 | /* Check the latest data received */ |
bogdanm | 0:9b334a45a8ff | 1748 | if(husart->RxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1749 | { |
bogdanm | 0:9b334a45a8ff | 1750 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1751 | |
bogdanm | 0:9b334a45a8ff | 1752 | /* Disable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1753 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1754 | |
bogdanm | 0:9b334a45a8ff | 1755 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1756 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1757 | |
bogdanm | 0:9b334a45a8ff | 1758 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1759 | |
bogdanm | 0:9b334a45a8ff | 1760 | HAL_USART_TxRxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1761 | |
bogdanm | 0:9b334a45a8ff | 1762 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1763 | } |
bogdanm | 0:9b334a45a8ff | 1764 | |
bogdanm | 0:9b334a45a8ff | 1765 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1766 | } |
bogdanm | 0:9b334a45a8ff | 1767 | else |
bogdanm | 0:9b334a45a8ff | 1768 | { |
bogdanm | 0:9b334a45a8ff | 1769 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1770 | } |
bogdanm | 0:9b334a45a8ff | 1771 | } |
bogdanm | 0:9b334a45a8ff | 1772 | |
bogdanm | 0:9b334a45a8ff | 1773 | /** |
bogdanm | 0:9b334a45a8ff | 1774 | * @brief Configures the USART peripheral. |
bogdanm | 0:9b334a45a8ff | 1775 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1776 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1777 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1778 | */ |
bogdanm | 0:9b334a45a8ff | 1779 | static void USART_SetConfig(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1780 | { |
bogdanm | 0:9b334a45a8ff | 1781 | uint32_t tmpreg = 0x00; |
bogdanm | 0:9b334a45a8ff | 1782 | |
bogdanm | 0:9b334a45a8ff | 1783 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 1784 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
bogdanm | 0:9b334a45a8ff | 1785 | assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); |
bogdanm | 0:9b334a45a8ff | 1786 | assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); |
bogdanm | 0:9b334a45a8ff | 1787 | assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); |
bogdanm | 0:9b334a45a8ff | 1788 | assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1789 | assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); |
bogdanm | 0:9b334a45a8ff | 1790 | assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); |
bogdanm | 0:9b334a45a8ff | 1791 | assert_param(IS_USART_PARITY(husart->Init.Parity)); |
bogdanm | 0:9b334a45a8ff | 1792 | assert_param(IS_USART_MODE(husart->Init.Mode)); |
bogdanm | 0:9b334a45a8ff | 1793 | |
bogdanm | 0:9b334a45a8ff | 1794 | /* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the |
bogdanm | 0:9b334a45a8ff | 1795 | receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */ |
bogdanm | 0:9b334a45a8ff | 1796 | husart->Instance->CR1 &= (uint32_t)~((uint32_t)(USART_CR1_TE | USART_CR1_RE)); |
bogdanm | 0:9b334a45a8ff | 1797 | |
bogdanm | 0:9b334a45a8ff | 1798 | /*---------------------------- USART CR2 Configuration ---------------------*/ |
bogdanm | 0:9b334a45a8ff | 1799 | tmpreg = husart->Instance->CR2; |
bogdanm | 0:9b334a45a8ff | 1800 | /* Clear CLKEN, CPOL, CPHA and LBCL bits */ |
bogdanm | 0:9b334a45a8ff | 1801 | tmpreg &= (uint32_t)~((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP)); |
bogdanm | 0:9b334a45a8ff | 1802 | /* Configure the USART Clock, CPOL, CPHA and LastBit -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1803 | /* Set CPOL bit according to husart->Init.CLKPolarity value */ |
bogdanm | 0:9b334a45a8ff | 1804 | /* Set CPHA bit according to husart->Init.CLKPhase value */ |
bogdanm | 0:9b334a45a8ff | 1805 | /* Set LBCL bit according to husart->Init.CLKLastBit value */ |
bogdanm | 0:9b334a45a8ff | 1806 | /* Set Stop Bits: Set STOP[13:12] bits according to husart->Init.StopBits value */ |
bogdanm | 0:9b334a45a8ff | 1807 | tmpreg |= (uint32_t)(USART_CLOCK_ENABLE| husart->Init.CLKPolarity | |
bogdanm | 0:9b334a45a8ff | 1808 | husart->Init.CLKPhase| husart->Init.CLKLastBit | husart->Init.StopBits); |
bogdanm | 0:9b334a45a8ff | 1809 | /* Write to USART CR2 */ |
bogdanm | 0:9b334a45a8ff | 1810 | husart->Instance->CR2 = (uint32_t)tmpreg; |
bogdanm | 0:9b334a45a8ff | 1811 | |
bogdanm | 0:9b334a45a8ff | 1812 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1813 | tmpreg = husart->Instance->CR1; |
bogdanm | 0:9b334a45a8ff | 1814 | |
bogdanm | 0:9b334a45a8ff | 1815 | /* Clear M, PCE, PS, TE, RE and OVER8 bits */ |
bogdanm | 0:9b334a45a8ff | 1816 | tmpreg &= (uint32_t)~((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | \ |
bogdanm | 0:9b334a45a8ff | 1817 | USART_CR1_RE | USART_CR1_OVER8)); |
bogdanm | 0:9b334a45a8ff | 1818 | |
bogdanm | 0:9b334a45a8ff | 1819 | /* Configure the USART Word Length, Parity and mode: |
bogdanm | 0:9b334a45a8ff | 1820 | Set the M bits according to husart->Init.WordLength value |
bogdanm | 0:9b334a45a8ff | 1821 | Set PCE and PS bits according to husart->Init.Parity value |
bogdanm | 0:9b334a45a8ff | 1822 | Set TE and RE bits according to husart->Init.Mode value |
bogdanm | 0:9b334a45a8ff | 1823 | Force OVER8 bit to 1 in order to reach the max USART frequencies */ |
bogdanm | 0:9b334a45a8ff | 1824 | tmpreg |= (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode | USART_CR1_OVER8; |
bogdanm | 0:9b334a45a8ff | 1825 | |
bogdanm | 0:9b334a45a8ff | 1826 | /* Write to USART CR1 */ |
bogdanm | 0:9b334a45a8ff | 1827 | husart->Instance->CR1 = (uint32_t)tmpreg; |
bogdanm | 0:9b334a45a8ff | 1828 | |
bogdanm | 0:9b334a45a8ff | 1829 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1830 | /* Clear CTSE and RTSE bits */ |
bogdanm | 0:9b334a45a8ff | 1831 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE)); |
bogdanm | 0:9b334a45a8ff | 1832 | |
bogdanm | 0:9b334a45a8ff | 1833 | /*-------------------------- USART BRR Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1834 | if((husart->Instance == USART1) || (husart->Instance == USART6)) |
bogdanm | 0:9b334a45a8ff | 1835 | { |
bogdanm | 0:9b334a45a8ff | 1836 | husart->Instance->BRR = USART_BRR(HAL_RCC_GetPCLK2Freq(), husart->Init.BaudRate); |
bogdanm | 0:9b334a45a8ff | 1837 | } |
bogdanm | 0:9b334a45a8ff | 1838 | else |
bogdanm | 0:9b334a45a8ff | 1839 | { |
bogdanm | 0:9b334a45a8ff | 1840 | husart->Instance->BRR = USART_BRR(HAL_RCC_GetPCLK1Freq(), husart->Init.BaudRate); |
bogdanm | 0:9b334a45a8ff | 1841 | } |
bogdanm | 0:9b334a45a8ff | 1842 | } |
bogdanm | 0:9b334a45a8ff | 1843 | |
bogdanm | 0:9b334a45a8ff | 1844 | /** |
bogdanm | 0:9b334a45a8ff | 1845 | * @} |
bogdanm | 0:9b334a45a8ff | 1846 | */ |
bogdanm | 0:9b334a45a8ff | 1847 | |
bogdanm | 0:9b334a45a8ff | 1848 | #endif /* HAL_USART_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 1849 | /** |
bogdanm | 0:9b334a45a8ff | 1850 | * @} |
bogdanm | 0:9b334a45a8ff | 1851 | */ |
bogdanm | 0:9b334a45a8ff | 1852 | |
bogdanm | 0:9b334a45a8ff | 1853 | /** |
bogdanm | 0:9b334a45a8ff | 1854 | * @} |
bogdanm | 0:9b334a45a8ff | 1855 | */ |
bogdanm | 0:9b334a45a8ff | 1856 | |
bogdanm | 0:9b334a45a8ff | 1857 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |