fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_uart.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
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 stm32f0xx_hal_uart.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.3.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 26-June-2015 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief UART HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the Universal Asynchronous Receiver Transmitter (UART) 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 | * + Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 14 | * |
bogdanm | 0:9b334a45a8ff | 15 | @verbatim |
bogdanm | 0:9b334a45a8ff | 16 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 17 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 18 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 19 | [..] |
bogdanm | 0:9b334a45a8ff | 20 | The UART HAL driver can be used as follows: |
bogdanm | 0:9b334a45a8ff | 21 | |
bogdanm | 0:9b334a45a8ff | 22 | (#) Declare a UART_HandleTypeDef handle structure (eg. UART_HandleTypeDef huart). |
bogdanm | 0:9b334a45a8ff | 23 | (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit() API: |
bogdanm | 0:9b334a45a8ff | 24 | (++) Enable the USARTx interface clock. |
bogdanm | 0:9b334a45a8ff | 25 | (++) UART pins configuration: |
bogdanm | 0:9b334a45a8ff | 26 | (+++) Enable the clock for the UART GPIOs. |
bogdanm | 0:9b334a45a8ff | 27 | (+++) Configure these UART pins as alternate function pull-up. |
bogdanm | 0:9b334a45a8ff | 28 | (++) NVIC configuration if you need to use interrupt process (HAL_UART_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 29 | and HAL_UART_Receive_IT() APIs): |
bogdanm | 0:9b334a45a8ff | 30 | (+++) Configure the USARTx interrupt priority. |
bogdanm | 0:9b334a45a8ff | 31 | (+++) Enable the NVIC USART IRQ handle. |
bogdanm | 0:9b334a45a8ff | 32 | (++) UART interrupts handling: |
bogdanm | 0:9b334a45a8ff | 33 | -@@- The specific UART interrupts (Transmission complete interrupt, |
bogdanm | 0:9b334a45a8ff | 34 | RXNE interrupt and Error Interrupts) are managed using the macros |
bogdanm | 0:9b334a45a8ff | 35 | __HAL_UART_ENABLE_IT() and __HAL_UART_DISABLE_IT() inside the transmit and receive processes. |
bogdanm | 0:9b334a45a8ff | 36 | (++) DMA Configuration if you need to use DMA process (HAL_UART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 37 | and HAL_UART_Receive_DMA() APIs): |
bogdanm | 0:9b334a45a8ff | 38 | (+++) Declare a DMA handle structure for the Tx/Rx channel. |
bogdanm | 0:9b334a45a8ff | 39 | (+++) Enable the DMAx interface clock. |
bogdanm | 0:9b334a45a8ff | 40 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
bogdanm | 0:9b334a45a8ff | 41 | (+++) Configure the DMA Tx/Rx channel. |
bogdanm | 0:9b334a45a8ff | 42 | (+++) Associate the initialized DMA handle to the UART DMA Tx/Rx handle. |
bogdanm | 0:9b334a45a8ff | 43 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. |
bogdanm | 0:9b334a45a8ff | 44 | |
bogdanm | 0:9b334a45a8ff | 45 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
bogdanm | 0:9b334a45a8ff | 46 | flow control and Mode (Receiver/Transmitter) in the huart handle Init structure. |
bogdanm | 0:9b334a45a8ff | 47 | |
bogdanm | 0:9b334a45a8ff | 48 | (#) If required, program UART advanced features (TX/RX pins swap, auto Baud rate detection,...) |
bogdanm | 0:9b334a45a8ff | 49 | in the huart handle AdvancedInit structure. |
bogdanm | 0:9b334a45a8ff | 50 | |
bogdanm | 0:9b334a45a8ff | 51 | (#) For the UART asynchronous mode, initialize the UART registers by calling |
bogdanm | 0:9b334a45a8ff | 52 | the HAL_UART_Init() API. |
bogdanm | 0:9b334a45a8ff | 53 | |
bogdanm | 0:9b334a45a8ff | 54 | (#) For the UART Half duplex mode, initialize the UART registers by calling |
bogdanm | 0:9b334a45a8ff | 55 | the HAL_HalfDuplex_Init() API. |
bogdanm | 0:9b334a45a8ff | 56 | |
bogdanm | 0:9b334a45a8ff | 57 | (#) For the UART Multiprocessor mode, initialize the UART registers |
bogdanm | 0:9b334a45a8ff | 58 | by calling the HAL_MultiProcessor_Init() API. |
bogdanm | 0:9b334a45a8ff | 59 | |
bogdanm | 0:9b334a45a8ff | 60 | (#) For the UART RS485 Driver Enabled mode, initialize the UART registers |
bogdanm | 0:9b334a45a8ff | 61 | by calling the HAL_RS485Ex_Init() API. |
bogdanm | 0:9b334a45a8ff | 62 | |
bogdanm | 0:9b334a45a8ff | 63 | [..] |
bogdanm | 0:9b334a45a8ff | 64 | (@) These APIs(HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_MultiProcessor_Init(), |
bogdanm | 0:9b334a45a8ff | 65 | also configure the low level Hardware GPIO, CLOCK, CORTEX...etc) by |
bogdanm | 0:9b334a45a8ff | 66 | calling the customized HAL_UART_MspInit() API. |
bogdanm | 0:9b334a45a8ff | 67 | |
bogdanm | 0:9b334a45a8ff | 68 | Three operation modes are available within this driver : |
bogdanm | 0:9b334a45a8ff | 69 | |
bogdanm | 0:9b334a45a8ff | 70 | *** Polling mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 71 | ================================= |
bogdanm | 0:9b334a45a8ff | 72 | [..] |
bogdanm | 0:9b334a45a8ff | 73 | (+) Send an amount of data in blocking mode using HAL_UART_Transmit() |
bogdanm | 0:9b334a45a8ff | 74 | (+) Receive an amount of data in blocking mode using HAL_UART_Receive() |
bogdanm | 0:9b334a45a8ff | 75 | |
bogdanm | 0:9b334a45a8ff | 76 | *** Interrupt mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 77 | =================================== |
bogdanm | 0:9b334a45a8ff | 78 | [..] |
bogdanm | 0:9b334a45a8ff | 79 | (+) Send an amount of data in non blocking mode using HAL_UART_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 80 | (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 81 | add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 82 | (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 83 | add his own code by customization of function pointer HAL_UART_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 84 | (+) Receive an amount of data in non blocking mode using HAL_UART_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 85 | (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 86 | add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 87 | (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 88 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 89 | (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 90 | add his own code by customization of function pointer HAL_UART_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 91 | |
bogdanm | 0:9b334a45a8ff | 92 | *** DMA mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 93 | ============================== |
bogdanm | 0:9b334a45a8ff | 94 | [..] |
bogdanm | 0:9b334a45a8ff | 95 | (+) Send an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 96 | (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 97 | add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 98 | (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 99 | add his own code by customization of function pointer HAL_UART_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 100 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_UART_Receive_DMA() |
bogdanm | 0:9b334a45a8ff | 101 | (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 102 | add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 103 | (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 104 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 105 | (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 106 | add his own code by customization of function pointer HAL_UART_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 107 | (+) Pause the DMA Transfer using HAL_UART_DMAPause() |
bogdanm | 0:9b334a45a8ff | 108 | (+) Resume the DMA Transfer using HAL_UART_DMAResume() |
bogdanm | 0:9b334a45a8ff | 109 | (+) Stop the DMA Transfer using HAL_UART_DMAStop() |
bogdanm | 0:9b334a45a8ff | 110 | |
bogdanm | 0:9b334a45a8ff | 111 | *** UART HAL driver macros list *** |
bogdanm | 0:9b334a45a8ff | 112 | ============================================= |
bogdanm | 0:9b334a45a8ff | 113 | [..] |
bogdanm | 0:9b334a45a8ff | 114 | Below the list of most used macros in UART HAL driver. |
bogdanm | 0:9b334a45a8ff | 115 | |
bogdanm | 0:9b334a45a8ff | 116 | (+) __HAL_UART_ENABLE: Enable the UART peripheral |
bogdanm | 0:9b334a45a8ff | 117 | (+) __HAL_UART_DISABLE: Disable the UART peripheral |
bogdanm | 0:9b334a45a8ff | 118 | (+) __HAL_UART_GET_FLAG : Check whether the specified UART flag is set or not |
bogdanm | 0:9b334a45a8ff | 119 | (+) __HAL_UART_CLEAR_FLAG : Clear the specified UART pending flag |
bogdanm | 0:9b334a45a8ff | 120 | (+) __HAL_UART_ENABLE_IT: Enable the specified UART interrupt |
bogdanm | 0:9b334a45a8ff | 121 | (+) __HAL_UART_DISABLE_IT: Disable the specified UART interrupt |
bogdanm | 0:9b334a45a8ff | 122 | |
bogdanm | 0:9b334a45a8ff | 123 | [..] |
bogdanm | 0:9b334a45a8ff | 124 | (@) You can refer to the UART HAL driver header file for more useful macros |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 127 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 128 | * @attention |
bogdanm | 0:9b334a45a8ff | 129 | * |
bogdanm | 0:9b334a45a8ff | 130 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 131 | * |
bogdanm | 0:9b334a45a8ff | 132 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 133 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 134 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 135 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 136 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 137 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 138 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 139 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 140 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 141 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 142 | * |
bogdanm | 0:9b334a45a8ff | 143 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 144 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 145 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 146 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 147 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 148 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 149 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 150 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 151 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 152 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 153 | * |
bogdanm | 0:9b334a45a8ff | 154 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 155 | */ |
bogdanm | 0:9b334a45a8ff | 156 | |
bogdanm | 0:9b334a45a8ff | 157 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 158 | #include "stm32f0xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 159 | |
bogdanm | 0:9b334a45a8ff | 160 | /** @addtogroup STM32F0xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 161 | * @{ |
bogdanm | 0:9b334a45a8ff | 162 | */ |
bogdanm | 0:9b334a45a8ff | 163 | |
bogdanm | 0:9b334a45a8ff | 164 | /** @defgroup UART UART |
bogdanm | 0:9b334a45a8ff | 165 | * @brief HAL UART module driver |
bogdanm | 0:9b334a45a8ff | 166 | * @{ |
bogdanm | 0:9b334a45a8ff | 167 | */ |
bogdanm | 0:9b334a45a8ff | 168 | |
bogdanm | 0:9b334a45a8ff | 169 | #ifdef HAL_UART_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 170 | |
bogdanm | 0:9b334a45a8ff | 171 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 172 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 173 | /** @defgroup UART_Private_Constants UART Private Constants |
bogdanm | 0:9b334a45a8ff | 174 | * @{ |
bogdanm | 0:9b334a45a8ff | 175 | */ |
bogdanm | 0:9b334a45a8ff | 176 | #define UART_TEACK_REACK_TIMEOUT ((uint32_t) 1000) /*!< UART TX or RX enable acknowledge time-out value */ |
bogdanm | 0:9b334a45a8ff | 177 | #define UART_TXDMA_TIMEOUTVALUE 22000 |
bogdanm | 0:9b334a45a8ff | 178 | #define UART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ |
bogdanm | 0:9b334a45a8ff | 179 | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) /*!< UART or USART CR1 fields of parameters set by UART_SetConfig API */ |
bogdanm | 0:9b334a45a8ff | 180 | /** |
bogdanm | 0:9b334a45a8ff | 181 | * @} |
bogdanm | 0:9b334a45a8ff | 182 | */ |
bogdanm | 0:9b334a45a8ff | 183 | |
bogdanm | 0:9b334a45a8ff | 184 | /* Private macros ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 185 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 186 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 187 | /** @addtogroup UART_Private_Functions UART Private Functions |
bogdanm | 0:9b334a45a8ff | 188 | * @{ |
bogdanm | 0:9b334a45a8ff | 189 | */ |
bogdanm | 0:9b334a45a8ff | 190 | static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 191 | static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 192 | static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 193 | static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 194 | static void UART_DMAError(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 195 | /** |
bogdanm | 0:9b334a45a8ff | 196 | * @} |
bogdanm | 0:9b334a45a8ff | 197 | */ |
bogdanm | 0:9b334a45a8ff | 198 | |
bogdanm | 0:9b334a45a8ff | 199 | /* Exported functions --------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 200 | |
bogdanm | 0:9b334a45a8ff | 201 | /** @defgroup UART_Exported_Functions UART Exported Functions |
bogdanm | 0:9b334a45a8ff | 202 | * @{ |
bogdanm | 0:9b334a45a8ff | 203 | */ |
bogdanm | 0:9b334a45a8ff | 204 | |
bogdanm | 0:9b334a45a8ff | 205 | /** @defgroup UART_Exported_Functions_Group1 Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 206 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 207 | * |
bogdanm | 0:9b334a45a8ff | 208 | @verbatim |
bogdanm | 0:9b334a45a8ff | 209 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 210 | ##### Initialization and Configuration functions ##### |
bogdanm | 0:9b334a45a8ff | 211 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 212 | [..] |
bogdanm | 0:9b334a45a8ff | 213 | This subsection provides a set of functions allowing to initialize the USARTx or the UARTy |
bogdanm | 0:9b334a45a8ff | 214 | in asynchronous mode. |
bogdanm | 0:9b334a45a8ff | 215 | (+) For the asynchronous mode the parameters below can be configured: |
bogdanm | 0:9b334a45a8ff | 216 | (++) Baud Rate |
bogdanm | 0:9b334a45a8ff | 217 | (++) Word Length |
bogdanm | 0:9b334a45a8ff | 218 | (++) Stop Bit |
bogdanm | 0:9b334a45a8ff | 219 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
bogdanm | 0:9b334a45a8ff | 220 | in the data register is transmitted but is changed by the parity bit. |
bogdanm | 0:9b334a45a8ff | 221 | According to device capability (support or not of 7-bit word length), |
bogdanm | 0:9b334a45a8ff | 222 | frame length is either defined by the M bit (8-bits or 9-bits) |
bogdanm | 0:9b334a45a8ff | 223 | or by the M1 and M0 bits (7-bit, 8-bit or 9-bit). |
bogdanm | 0:9b334a45a8ff | 224 | Possible UART frame formats are as listed in the following table: |
bogdanm | 0:9b334a45a8ff | 225 | |
bogdanm | 0:9b334a45a8ff | 226 | (+++) Table 1. UART frame format. |
bogdanm | 0:9b334a45a8ff | 227 | (+++) +-----------------------------------------------------------------------+ |
bogdanm | 0:9b334a45a8ff | 228 | (+++) | M bit | PCE bit | UART frame | |
bogdanm | 0:9b334a45a8ff | 229 | (+++) |-------------------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 230 | (+++) | 0 | 0 | | SB | 8-bit data | STB | | |
bogdanm | 0:9b334a45a8ff | 231 | (+++) |-------------------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 232 | (+++) | 0 | 1 | | SB | 7-bit data | PB | STB | | |
bogdanm | 0:9b334a45a8ff | 233 | (+++) |-------------------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 234 | (+++) | 1 | 0 | | SB | 9-bit data | STB | | |
bogdanm | 0:9b334a45a8ff | 235 | (+++) |-------------------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 236 | (+++) | 1 | 1 | | SB | 8-bit data | PB | STB | | |
bogdanm | 0:9b334a45a8ff | 237 | (+++) +-----------------------------------------------------------------------+ |
bogdanm | 0:9b334a45a8ff | 238 | (+++) | M1 bit | M0 bit | PCE bit | UART frame | |
bogdanm | 0:9b334a45a8ff | 239 | (+++) |---------|---------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 240 | (+++) | 0 | 0 | 0 | | SB | 8 bit data | STB | | |
bogdanm | 0:9b334a45a8ff | 241 | (+++) |---------|---------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 242 | (+++) | 0 | 0 | 1 | | SB | 7 bit data | PB | STB | | |
bogdanm | 0:9b334a45a8ff | 243 | (+++) |---------|---------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 244 | (+++) | 0 | 1 | 0 | | SB | 9 bit data | STB | | |
bogdanm | 0:9b334a45a8ff | 245 | (+++) |---------|---------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 246 | (+++) | 0 | 1 | 1 | | SB | 8 bit data | PB | STB | | |
bogdanm | 0:9b334a45a8ff | 247 | (+++) |---------|---------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 248 | (+++) | 1 | 0 | 0 | | SB | 7 bit data | STB | | |
bogdanm | 0:9b334a45a8ff | 249 | (+++) |---------|---------|-----------|---------------------------------------| |
bogdanm | 0:9b334a45a8ff | 250 | (+++) | 1 | 0 | 1 | | SB | 6 bit data | PB | STB | | |
bogdanm | 0:9b334a45a8ff | 251 | (+++) +-----------------------------------------------------------------------+ |
bogdanm | 0:9b334a45a8ff | 252 | (++) Hardware flow control |
bogdanm | 0:9b334a45a8ff | 253 | (++) Receiver/transmitter modes |
bogdanm | 0:9b334a45a8ff | 254 | (++) Over Sampling Method |
bogdanm | 0:9b334a45a8ff | 255 | (++) One-Bit Sampling Method |
bogdanm | 0:9b334a45a8ff | 256 | (+) For the asynchronous mode, the following advanced features can be configured as well: |
bogdanm | 0:9b334a45a8ff | 257 | (++) TX and/or RX pin level inversion |
bogdanm | 0:9b334a45a8ff | 258 | (++) data logical level inversion |
bogdanm | 0:9b334a45a8ff | 259 | (++) RX and TX pins swap |
bogdanm | 0:9b334a45a8ff | 260 | (++) RX overrun detection disabling |
bogdanm | 0:9b334a45a8ff | 261 | (++) DMA disabling on RX error |
bogdanm | 0:9b334a45a8ff | 262 | (++) MSB first on communication line |
bogdanm | 0:9b334a45a8ff | 263 | (++) auto Baud rate detection |
bogdanm | 0:9b334a45a8ff | 264 | [..] |
bogdanm | 0:9b334a45a8ff | 265 | The HAL_UART_Init(), HAL_HalfDuplex_Init() and HAL_MultiProcessor_Init() |
bogdanm | 0:9b334a45a8ff | 266 | API follow respectively the UART asynchronous, UART Half duplex and multiprocessor mode |
bogdanm | 0:9b334a45a8ff | 267 | configuration procedures (details for the procedures are available in reference manual). |
bogdanm | 0:9b334a45a8ff | 268 | |
bogdanm | 0:9b334a45a8ff | 269 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 270 | * @{ |
bogdanm | 0:9b334a45a8ff | 271 | */ |
bogdanm | 0:9b334a45a8ff | 272 | |
bogdanm | 0:9b334a45a8ff | 273 | /** |
bogdanm | 0:9b334a45a8ff | 274 | * @brief Initialize the UART mode according to the specified |
bogdanm | 0:9b334a45a8ff | 275 | * parameters in the UART_InitTypeDef and initialize the associated handle. |
bogdanm | 0:9b334a45a8ff | 276 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 277 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 278 | */ |
bogdanm | 0:9b334a45a8ff | 279 | HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 280 | { |
bogdanm | 0:9b334a45a8ff | 281 | /* Check the UART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 282 | if(huart == NULL) |
bogdanm | 0:9b334a45a8ff | 283 | { |
bogdanm | 0:9b334a45a8ff | 284 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 285 | } |
bogdanm | 0:9b334a45a8ff | 286 | |
bogdanm | 0:9b334a45a8ff | 287 | if(huart->Init.HwFlowCtl != UART_HWCONTROL_NONE) |
bogdanm | 0:9b334a45a8ff | 288 | { |
bogdanm | 0:9b334a45a8ff | 289 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 290 | assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance)); |
bogdanm | 0:9b334a45a8ff | 291 | } |
bogdanm | 0:9b334a45a8ff | 292 | else |
bogdanm | 0:9b334a45a8ff | 293 | { |
bogdanm | 0:9b334a45a8ff | 294 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 295 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
bogdanm | 0:9b334a45a8ff | 296 | } |
bogdanm | 0:9b334a45a8ff | 297 | |
bogdanm | 0:9b334a45a8ff | 298 | if(huart->State == HAL_UART_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 299 | { |
bogdanm | 0:9b334a45a8ff | 300 | /* Allocate lock resource and initialize it */ |
bogdanm | 0:9b334a45a8ff | 301 | huart->Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 302 | |
bogdanm | 0:9b334a45a8ff | 303 | /* Init the low level hardware : GPIO, CLOCK */ |
bogdanm | 0:9b334a45a8ff | 304 | HAL_UART_MspInit(huart); |
bogdanm | 0:9b334a45a8ff | 305 | } |
bogdanm | 0:9b334a45a8ff | 306 | |
bogdanm | 0:9b334a45a8ff | 307 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 308 | |
bogdanm | 0:9b334a45a8ff | 309 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 310 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 311 | |
bogdanm | 0:9b334a45a8ff | 312 | /* Set the UART Communication parameters */ |
bogdanm | 0:9b334a45a8ff | 313 | if (UART_SetConfig(huart) == HAL_ERROR) |
bogdanm | 0:9b334a45a8ff | 314 | { |
bogdanm | 0:9b334a45a8ff | 315 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 316 | } |
bogdanm | 0:9b334a45a8ff | 317 | |
bogdanm | 0:9b334a45a8ff | 318 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
bogdanm | 0:9b334a45a8ff | 319 | { |
bogdanm | 0:9b334a45a8ff | 320 | UART_AdvFeatureConfig(huart); |
bogdanm | 0:9b334a45a8ff | 321 | } |
bogdanm | 0:9b334a45a8ff | 322 | |
bogdanm | 0:9b334a45a8ff | 323 | /* In asynchronous mode, the following bits must be kept cleared: |
bogdanm | 0:9b334a45a8ff | 324 | - LINEN and CLKEN bits in the USART_CR2 register, |
bogdanm | 0:9b334a45a8ff | 325 | - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/ |
bogdanm | 0:9b334a45a8ff | 326 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
bogdanm | 0:9b334a45a8ff | 327 | huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
bogdanm | 0:9b334a45a8ff | 328 | |
bogdanm | 0:9b334a45a8ff | 329 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 330 | __HAL_UART_ENABLE(huart); |
bogdanm | 0:9b334a45a8ff | 331 | |
bogdanm | 0:9b334a45a8ff | 332 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
bogdanm | 0:9b334a45a8ff | 333 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 334 | } |
bogdanm | 0:9b334a45a8ff | 335 | |
bogdanm | 0:9b334a45a8ff | 336 | /** |
bogdanm | 0:9b334a45a8ff | 337 | * @brief Initialize the half-duplex mode according to the specified |
bogdanm | 0:9b334a45a8ff | 338 | * parameters in the UART_InitTypeDef and creates the associated handle. |
bogdanm | 0:9b334a45a8ff | 339 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 340 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 341 | */ |
bogdanm | 0:9b334a45a8ff | 342 | HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 343 | { |
bogdanm | 0:9b334a45a8ff | 344 | /* Check the UART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 345 | if(huart == NULL) |
bogdanm | 0:9b334a45a8ff | 346 | { |
bogdanm | 0:9b334a45a8ff | 347 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 348 | } |
bogdanm | 0:9b334a45a8ff | 349 | |
bogdanm | 0:9b334a45a8ff | 350 | /* Check UART instance */ |
bogdanm | 0:9b334a45a8ff | 351 | assert_param(IS_UART_HALFDUPLEX_INSTANCE(huart->Instance)); |
bogdanm | 0:9b334a45a8ff | 352 | |
bogdanm | 0:9b334a45a8ff | 353 | if(huart->State == HAL_UART_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 354 | { |
bogdanm | 0:9b334a45a8ff | 355 | /* Allocate lock resource and initialize it */ |
bogdanm | 0:9b334a45a8ff | 356 | huart->Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 357 | |
bogdanm | 0:9b334a45a8ff | 358 | /* Init the low level hardware : GPIO, CLOCK */ |
bogdanm | 0:9b334a45a8ff | 359 | HAL_UART_MspInit(huart); |
bogdanm | 0:9b334a45a8ff | 360 | } |
bogdanm | 0:9b334a45a8ff | 361 | |
bogdanm | 0:9b334a45a8ff | 362 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 363 | |
bogdanm | 0:9b334a45a8ff | 364 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 365 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 366 | |
bogdanm | 0:9b334a45a8ff | 367 | /* Set the UART Communication parameters */ |
bogdanm | 0:9b334a45a8ff | 368 | if (UART_SetConfig(huart) == HAL_ERROR) |
bogdanm | 0:9b334a45a8ff | 369 | { |
bogdanm | 0:9b334a45a8ff | 370 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 371 | } |
bogdanm | 0:9b334a45a8ff | 372 | |
bogdanm | 0:9b334a45a8ff | 373 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
bogdanm | 0:9b334a45a8ff | 374 | { |
bogdanm | 0:9b334a45a8ff | 375 | UART_AdvFeatureConfig(huart); |
bogdanm | 0:9b334a45a8ff | 376 | } |
bogdanm | 0:9b334a45a8ff | 377 | |
bogdanm | 0:9b334a45a8ff | 378 | /* In half-duplex mode, the following bits must be kept cleared: |
bogdanm | 0:9b334a45a8ff | 379 | - LINEN and CLKEN bits in the USART_CR2 register, |
bogdanm | 0:9b334a45a8ff | 380 | - SCEN and IREN bits in the USART_CR3 register.*/ |
bogdanm | 0:9b334a45a8ff | 381 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
bogdanm | 0:9b334a45a8ff | 382 | huart->Instance->CR3 &= ~(USART_CR3_IREN | USART_CR3_SCEN); |
bogdanm | 0:9b334a45a8ff | 383 | |
bogdanm | 0:9b334a45a8ff | 384 | /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */ |
bogdanm | 0:9b334a45a8ff | 385 | huart->Instance->CR3 |= USART_CR3_HDSEL; |
bogdanm | 0:9b334a45a8ff | 386 | |
bogdanm | 0:9b334a45a8ff | 387 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 388 | __HAL_UART_ENABLE(huart); |
bogdanm | 0:9b334a45a8ff | 389 | |
bogdanm | 0:9b334a45a8ff | 390 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
bogdanm | 0:9b334a45a8ff | 391 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 392 | } |
bogdanm | 0:9b334a45a8ff | 393 | |
bogdanm | 0:9b334a45a8ff | 394 | |
bogdanm | 0:9b334a45a8ff | 395 | /** |
bogdanm | 0:9b334a45a8ff | 396 | * @brief Initialize the multiprocessor mode according to the specified |
bogdanm | 0:9b334a45a8ff | 397 | * parameters in the UART_InitTypeDef and initialize the associated handle. |
bogdanm | 0:9b334a45a8ff | 398 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 399 | * @param Address: UART node address (4-, 6-, 7- or 8-bit long). |
bogdanm | 0:9b334a45a8ff | 400 | * @param WakeUpMethod: specifies the UART wakeup method. |
bogdanm | 0:9b334a45a8ff | 401 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 402 | * @arg UART_WAKEUPMETHOD_IDLELINE: WakeUp by an idle line detection |
bogdanm | 0:9b334a45a8ff | 403 | * @arg UART_WAKEUPMETHOD_ADDRESSMARK: WakeUp by an address mark |
bogdanm | 0:9b334a45a8ff | 404 | * @note If the user resorts to idle line detection wake up, the Address parameter |
bogdanm | 0:9b334a45a8ff | 405 | * is useless and ignored by the initialization function. |
bogdanm | 0:9b334a45a8ff | 406 | * @note If the user resorts to address mark wake up, the address length detection |
bogdanm | 0:9b334a45a8ff | 407 | * is configured by default to 4 bits only. For the UART to be able to |
bogdanm | 0:9b334a45a8ff | 408 | * manage 6-, 7- or 8-bit long addresses detection, the API |
bogdanm | 0:9b334a45a8ff | 409 | * HAL_MultiProcessorEx_AddressLength_Set() must be called after |
bogdanm | 0:9b334a45a8ff | 410 | * HAL_MultiProcessor_Init(). |
bogdanm | 0:9b334a45a8ff | 411 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 412 | */ |
bogdanm | 0:9b334a45a8ff | 413 | HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod) |
bogdanm | 0:9b334a45a8ff | 414 | { |
bogdanm | 0:9b334a45a8ff | 415 | /* Check the UART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 416 | if(huart == NULL) |
bogdanm | 0:9b334a45a8ff | 417 | { |
bogdanm | 0:9b334a45a8ff | 418 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 419 | } |
bogdanm | 0:9b334a45a8ff | 420 | |
bogdanm | 0:9b334a45a8ff | 421 | /* Check the wake up method parameter */ |
bogdanm | 0:9b334a45a8ff | 422 | assert_param(IS_UART_WAKEUPMETHOD(WakeUpMethod)); |
bogdanm | 0:9b334a45a8ff | 423 | |
bogdanm | 0:9b334a45a8ff | 424 | if(huart->State == HAL_UART_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 425 | { |
bogdanm | 0:9b334a45a8ff | 426 | /* Allocate lock resource and initialize it */ |
bogdanm | 0:9b334a45a8ff | 427 | huart->Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 428 | |
bogdanm | 0:9b334a45a8ff | 429 | /* Init the low level hardware : GPIO, CLOCK */ |
bogdanm | 0:9b334a45a8ff | 430 | HAL_UART_MspInit(huart); |
bogdanm | 0:9b334a45a8ff | 431 | } |
bogdanm | 0:9b334a45a8ff | 432 | |
bogdanm | 0:9b334a45a8ff | 433 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 434 | |
bogdanm | 0:9b334a45a8ff | 435 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 436 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 437 | |
bogdanm | 0:9b334a45a8ff | 438 | /* Set the UART Communication parameters */ |
bogdanm | 0:9b334a45a8ff | 439 | if (UART_SetConfig(huart) == HAL_ERROR) |
bogdanm | 0:9b334a45a8ff | 440 | { |
bogdanm | 0:9b334a45a8ff | 441 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 442 | } |
bogdanm | 0:9b334a45a8ff | 443 | |
bogdanm | 0:9b334a45a8ff | 444 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
bogdanm | 0:9b334a45a8ff | 445 | { |
bogdanm | 0:9b334a45a8ff | 446 | UART_AdvFeatureConfig(huart); |
bogdanm | 0:9b334a45a8ff | 447 | } |
bogdanm | 0:9b334a45a8ff | 448 | |
bogdanm | 0:9b334a45a8ff | 449 | /* In multiprocessor mode, the following bits must be kept cleared: |
bogdanm | 0:9b334a45a8ff | 450 | - LINEN and CLKEN bits in the USART_CR2 register, |
bogdanm | 0:9b334a45a8ff | 451 | - SCEN, HDSEL and IREN bits in the USART_CR3 register. */ |
bogdanm | 0:9b334a45a8ff | 452 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
bogdanm | 0:9b334a45a8ff | 453 | huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
bogdanm | 0:9b334a45a8ff | 454 | |
bogdanm | 0:9b334a45a8ff | 455 | if (WakeUpMethod == UART_WAKEUPMETHOD_ADDRESSMARK) |
bogdanm | 0:9b334a45a8ff | 456 | { |
bogdanm | 0:9b334a45a8ff | 457 | /* If address mark wake up method is chosen, set the USART address node */ |
bogdanm | 0:9b334a45a8ff | 458 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADD, ((uint32_t)Address << UART_CR2_ADDRESS_LSB_POS)); |
bogdanm | 0:9b334a45a8ff | 459 | } |
bogdanm | 0:9b334a45a8ff | 460 | |
bogdanm | 0:9b334a45a8ff | 461 | /* Set the wake up method by setting the WAKE bit in the CR1 register */ |
bogdanm | 0:9b334a45a8ff | 462 | MODIFY_REG(huart->Instance->CR1, USART_CR1_WAKE, WakeUpMethod); |
bogdanm | 0:9b334a45a8ff | 463 | |
bogdanm | 0:9b334a45a8ff | 464 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 465 | __HAL_UART_ENABLE(huart); |
bogdanm | 0:9b334a45a8ff | 466 | |
bogdanm | 0:9b334a45a8ff | 467 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
bogdanm | 0:9b334a45a8ff | 468 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 469 | } |
bogdanm | 0:9b334a45a8ff | 470 | |
bogdanm | 0:9b334a45a8ff | 471 | /** |
bogdanm | 0:9b334a45a8ff | 472 | * @brief DeInitialize the UART peripheral. |
bogdanm | 0:9b334a45a8ff | 473 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 474 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 475 | */ |
bogdanm | 0:9b334a45a8ff | 476 | HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 477 | { |
bogdanm | 0:9b334a45a8ff | 478 | /* Check the UART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 479 | if(huart == NULL) |
bogdanm | 0:9b334a45a8ff | 480 | { |
bogdanm | 0:9b334a45a8ff | 481 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 482 | } |
bogdanm | 0:9b334a45a8ff | 483 | |
bogdanm | 0:9b334a45a8ff | 484 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 485 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
bogdanm | 0:9b334a45a8ff | 486 | |
bogdanm | 0:9b334a45a8ff | 487 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 488 | |
bogdanm | 0:9b334a45a8ff | 489 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 490 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 491 | |
bogdanm | 0:9b334a45a8ff | 492 | huart->Instance->CR1 = 0x0; |
bogdanm | 0:9b334a45a8ff | 493 | huart->Instance->CR2 = 0x0; |
bogdanm | 0:9b334a45a8ff | 494 | huart->Instance->CR3 = 0x0; |
bogdanm | 0:9b334a45a8ff | 495 | |
bogdanm | 0:9b334a45a8ff | 496 | /* DeInit the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 497 | HAL_UART_MspDeInit(huart); |
bogdanm | 0:9b334a45a8ff | 498 | |
bogdanm | 0:9b334a45a8ff | 499 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 500 | huart->State = HAL_UART_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 501 | |
bogdanm | 0:9b334a45a8ff | 502 | /* Process Unlock */ |
bogdanm | 0:9b334a45a8ff | 503 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 504 | |
bogdanm | 0:9b334a45a8ff | 505 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 506 | } |
bogdanm | 0:9b334a45a8ff | 507 | |
bogdanm | 0:9b334a45a8ff | 508 | /** |
bogdanm | 0:9b334a45a8ff | 509 | * @brief Initialize the UART MSP. |
bogdanm | 0:9b334a45a8ff | 510 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 511 | * @retval None |
bogdanm | 0:9b334a45a8ff | 512 | */ |
bogdanm | 0:9b334a45a8ff | 513 | __weak void HAL_UART_MspInit(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 514 | { |
bogdanm | 0:9b334a45a8ff | 515 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 516 | the HAL_UART_MspInit can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 517 | */ |
bogdanm | 0:9b334a45a8ff | 518 | } |
bogdanm | 0:9b334a45a8ff | 519 | |
bogdanm | 0:9b334a45a8ff | 520 | /** |
bogdanm | 0:9b334a45a8ff | 521 | * @brief DeInitialize the UART MSP. |
bogdanm | 0:9b334a45a8ff | 522 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 523 | * @retval None |
bogdanm | 0:9b334a45a8ff | 524 | */ |
bogdanm | 0:9b334a45a8ff | 525 | __weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 526 | { |
bogdanm | 0:9b334a45a8ff | 527 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 528 | the HAL_UART_MspDeInit can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 529 | */ |
bogdanm | 0:9b334a45a8ff | 530 | } |
bogdanm | 0:9b334a45a8ff | 531 | |
bogdanm | 0:9b334a45a8ff | 532 | /** |
bogdanm | 0:9b334a45a8ff | 533 | * @} |
bogdanm | 0:9b334a45a8ff | 534 | */ |
bogdanm | 0:9b334a45a8ff | 535 | |
bogdanm | 0:9b334a45a8ff | 536 | /** @defgroup UART_Exported_Functions_Group2 IO operation functions |
bogdanm | 0:9b334a45a8ff | 537 | * @brief UART Transmit/Receive functions |
bogdanm | 0:9b334a45a8ff | 538 | * |
bogdanm | 0:9b334a45a8ff | 539 | @verbatim |
bogdanm | 0:9b334a45a8ff | 540 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 541 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 542 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 543 | This subsection provides a set of functions allowing to manage the UART asynchronous |
bogdanm | 0:9b334a45a8ff | 544 | and Half duplex data transfers. |
bogdanm | 0:9b334a45a8ff | 545 | |
bogdanm | 0:9b334a45a8ff | 546 | (#) There are two mode of transfer: |
bogdanm | 0:9b334a45a8ff | 547 | (+) Blocking mode: The communication is performed in polling mode. |
bogdanm | 0:9b334a45a8ff | 548 | The HAL status of all data processing is returned by the same function |
bogdanm | 0:9b334a45a8ff | 549 | after finishing transfer. |
bogdanm | 0:9b334a45a8ff | 550 | (+) No-Blocking mode: The communication is performed using Interrupts |
bogdanm | 0:9b334a45a8ff | 551 | or DMA, These API's return the HAL status. |
bogdanm | 0:9b334a45a8ff | 552 | The end of the data processing will be indicated through the |
bogdanm | 0:9b334a45a8ff | 553 | dedicated UART IRQ when using Interrupt mode or the DMA IRQ when |
bogdanm | 0:9b334a45a8ff | 554 | using DMA mode. |
bogdanm | 0:9b334a45a8ff | 555 | The HAL_UART_TxCpltCallback(), HAL_UART_RxCpltCallback() user callbacks |
bogdanm | 0:9b334a45a8ff | 556 | will be executed respectively at the end of the transmit or Receive process |
bogdanm | 0:9b334a45a8ff | 557 | The HAL_UART_ErrorCallback()user callback will be executed when a communication error is detected |
bogdanm | 0:9b334a45a8ff | 558 | |
bogdanm | 0:9b334a45a8ff | 559 | (#) Blocking mode API's are : |
bogdanm | 0:9b334a45a8ff | 560 | (+) HAL_UART_Transmit() |
bogdanm | 0:9b334a45a8ff | 561 | (+) HAL_UART_Receive() |
bogdanm | 0:9b334a45a8ff | 562 | |
bogdanm | 0:9b334a45a8ff | 563 | (#) Non-Blocking mode API's with Interrupt are : |
bogdanm | 0:9b334a45a8ff | 564 | (+) HAL_UART_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 565 | (+) HAL_UART_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 566 | (+) HAL_UART_IRQHandler() |
bogdanm | 0:9b334a45a8ff | 567 | |
bogdanm | 0:9b334a45a8ff | 568 | (#) No-Blocking mode API's with DMA are : |
bogdanm | 0:9b334a45a8ff | 569 | (+) HAL_UART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 570 | (+) HAL_UART_Receive_DMA() |
bogdanm | 0:9b334a45a8ff | 571 | (+) HAL_UART_DMAPause() |
bogdanm | 0:9b334a45a8ff | 572 | (+) HAL_UART_DMAResume() |
bogdanm | 0:9b334a45a8ff | 573 | (+) HAL_UART_DMAStop() |
bogdanm | 0:9b334a45a8ff | 574 | |
bogdanm | 0:9b334a45a8ff | 575 | (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: |
bogdanm | 0:9b334a45a8ff | 576 | (+) HAL_UART_TxHalfCpltCallback() |
bogdanm | 0:9b334a45a8ff | 577 | (+) HAL_UART_TxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 578 | (+) HAL_UART_RxHalfCpltCallback() |
bogdanm | 0:9b334a45a8ff | 579 | (+) HAL_UART_RxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 580 | (+) HAL_UART_ErrorCallback() |
bogdanm | 0:9b334a45a8ff | 581 | |
bogdanm | 0:9b334a45a8ff | 582 | |
bogdanm | 0:9b334a45a8ff | 583 | -@- In the Half duplex communication, it is forbidden to run the transmit |
bogdanm | 0:9b334a45a8ff | 584 | and receive process in parallel, the UART state HAL_UART_STATE_BUSY_TX_RX can't be useful. |
bogdanm | 0:9b334a45a8ff | 585 | |
bogdanm | 0:9b334a45a8ff | 586 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 587 | * @{ |
bogdanm | 0:9b334a45a8ff | 588 | */ |
bogdanm | 0:9b334a45a8ff | 589 | |
bogdanm | 0:9b334a45a8ff | 590 | /** |
bogdanm | 0:9b334a45a8ff | 591 | * @brief Send an amount of data in blocking mode. |
bogdanm | 0:9b334a45a8ff | 592 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 593 | * @param pData: Pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 594 | * @param Size: Amount of data to be sent. |
bogdanm | 0:9b334a45a8ff | 595 | * @param Timeout: Timeout duration. |
bogdanm | 0:9b334a45a8ff | 596 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 597 | */ |
bogdanm | 0:9b334a45a8ff | 598 | HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 599 | { |
bogdanm | 0:9b334a45a8ff | 600 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 601 | |
bogdanm | 0:9b334a45a8ff | 602 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
bogdanm | 0:9b334a45a8ff | 603 | { |
bogdanm | 0:9b334a45a8ff | 604 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 605 | { |
bogdanm | 0:9b334a45a8ff | 606 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 607 | } |
bogdanm | 0:9b334a45a8ff | 608 | |
bogdanm | 0:9b334a45a8ff | 609 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 610 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 611 | |
bogdanm | 0:9b334a45a8ff | 612 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 613 | /* Check if a non-blocking receive process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 614 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 615 | { |
bogdanm | 0:9b334a45a8ff | 616 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 617 | } |
bogdanm | 0:9b334a45a8ff | 618 | else |
bogdanm | 0:9b334a45a8ff | 619 | { |
bogdanm | 0:9b334a45a8ff | 620 | huart->State = HAL_UART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 621 | } |
bogdanm | 0:9b334a45a8ff | 622 | |
bogdanm | 0:9b334a45a8ff | 623 | huart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 624 | huart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 625 | while(huart->TxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 626 | { |
bogdanm | 0:9b334a45a8ff | 627 | huart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 628 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 629 | { |
bogdanm | 0:9b334a45a8ff | 630 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 631 | } |
bogdanm | 0:9b334a45a8ff | 632 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
bogdanm | 0:9b334a45a8ff | 633 | { |
bogdanm | 0:9b334a45a8ff | 634 | tmp = (uint16_t*) pData; |
bogdanm | 0:9b334a45a8ff | 635 | huart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 636 | pData += 2; |
bogdanm | 0:9b334a45a8ff | 637 | } |
bogdanm | 0:9b334a45a8ff | 638 | else |
bogdanm | 0:9b334a45a8ff | 639 | { |
bogdanm | 0:9b334a45a8ff | 640 | huart->Instance->TDR = (*pData++ & (uint8_t)0xFF); |
bogdanm | 0:9b334a45a8ff | 641 | } |
bogdanm | 0:9b334a45a8ff | 642 | } |
bogdanm | 0:9b334a45a8ff | 643 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 644 | { |
bogdanm | 0:9b334a45a8ff | 645 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 646 | } |
bogdanm | 0:9b334a45a8ff | 647 | /* Check if a non-blocking receive Process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 648 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 649 | { |
bogdanm | 0:9b334a45a8ff | 650 | huart->State = HAL_UART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 651 | } |
bogdanm | 0:9b334a45a8ff | 652 | else |
bogdanm | 0:9b334a45a8ff | 653 | { |
bogdanm | 0:9b334a45a8ff | 654 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 655 | } |
bogdanm | 0:9b334a45a8ff | 656 | |
bogdanm | 0:9b334a45a8ff | 657 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 658 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 659 | |
bogdanm | 0:9b334a45a8ff | 660 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 661 | } |
bogdanm | 0:9b334a45a8ff | 662 | else |
bogdanm | 0:9b334a45a8ff | 663 | { |
bogdanm | 0:9b334a45a8ff | 664 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 665 | } |
bogdanm | 0:9b334a45a8ff | 666 | } |
bogdanm | 0:9b334a45a8ff | 667 | |
bogdanm | 0:9b334a45a8ff | 668 | /** |
bogdanm | 0:9b334a45a8ff | 669 | * @brief Receive an amount of data in blocking mode. |
bogdanm | 0:9b334a45a8ff | 670 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 671 | * @param pData: pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 672 | * @param Size: amount of data to be received. |
bogdanm | 0:9b334a45a8ff | 673 | * @param Timeout: Timeout duration. |
bogdanm | 0:9b334a45a8ff | 674 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 675 | */ |
bogdanm | 0:9b334a45a8ff | 676 | HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 677 | { |
bogdanm | 0:9b334a45a8ff | 678 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 679 | uint16_t uhMask; |
bogdanm | 0:9b334a45a8ff | 680 | |
bogdanm | 0:9b334a45a8ff | 681 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
bogdanm | 0:9b334a45a8ff | 682 | { |
bogdanm | 0:9b334a45a8ff | 683 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 684 | { |
bogdanm | 0:9b334a45a8ff | 685 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 686 | } |
bogdanm | 0:9b334a45a8ff | 687 | |
bogdanm | 0:9b334a45a8ff | 688 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 689 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 690 | |
bogdanm | 0:9b334a45a8ff | 691 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 692 | /* Check if a non-blocking transmit process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 693 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 694 | { |
bogdanm | 0:9b334a45a8ff | 695 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 696 | } |
bogdanm | 0:9b334a45a8ff | 697 | else |
bogdanm | 0:9b334a45a8ff | 698 | { |
bogdanm | 0:9b334a45a8ff | 699 | huart->State = HAL_UART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 700 | } |
bogdanm | 0:9b334a45a8ff | 701 | |
bogdanm | 0:9b334a45a8ff | 702 | huart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 703 | huart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 704 | |
bogdanm | 0:9b334a45a8ff | 705 | /* Computation of UART mask to apply to RDR register */ |
bogdanm | 0:9b334a45a8ff | 706 | UART_MASK_COMPUTATION(huart); |
bogdanm | 0:9b334a45a8ff | 707 | uhMask = huart->Mask; |
bogdanm | 0:9b334a45a8ff | 708 | |
bogdanm | 0:9b334a45a8ff | 709 | /* as long as data have to be received */ |
bogdanm | 0:9b334a45a8ff | 710 | while(huart->RxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 711 | { |
bogdanm | 0:9b334a45a8ff | 712 | huart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 713 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 714 | { |
bogdanm | 0:9b334a45a8ff | 715 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 716 | } |
bogdanm | 0:9b334a45a8ff | 717 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
bogdanm | 0:9b334a45a8ff | 718 | { |
bogdanm | 0:9b334a45a8ff | 719 | tmp = (uint16_t*) pData ; |
bogdanm | 0:9b334a45a8ff | 720 | *tmp = (uint16_t)(huart->Instance->RDR & uhMask); |
bogdanm | 0:9b334a45a8ff | 721 | pData +=2; |
bogdanm | 0:9b334a45a8ff | 722 | } |
bogdanm | 0:9b334a45a8ff | 723 | else |
bogdanm | 0:9b334a45a8ff | 724 | { |
bogdanm | 0:9b334a45a8ff | 725 | *pData++ = (uint8_t)(huart->Instance->RDR & (uint8_t)uhMask); |
bogdanm | 0:9b334a45a8ff | 726 | } |
bogdanm | 0:9b334a45a8ff | 727 | } |
bogdanm | 0:9b334a45a8ff | 728 | |
bogdanm | 0:9b334a45a8ff | 729 | /* Check if a non-blocking transmit Process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 730 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 731 | { |
bogdanm | 0:9b334a45a8ff | 732 | huart->State = HAL_UART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 733 | } |
bogdanm | 0:9b334a45a8ff | 734 | else |
bogdanm | 0:9b334a45a8ff | 735 | { |
bogdanm | 0:9b334a45a8ff | 736 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 737 | } |
bogdanm | 0:9b334a45a8ff | 738 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 739 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 740 | |
bogdanm | 0:9b334a45a8ff | 741 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 742 | } |
bogdanm | 0:9b334a45a8ff | 743 | else |
bogdanm | 0:9b334a45a8ff | 744 | { |
bogdanm | 0:9b334a45a8ff | 745 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 746 | } |
bogdanm | 0:9b334a45a8ff | 747 | } |
bogdanm | 0:9b334a45a8ff | 748 | |
bogdanm | 0:9b334a45a8ff | 749 | /** |
bogdanm | 0:9b334a45a8ff | 750 | * @brief Send an amount of data in interrupt mode. |
bogdanm | 0:9b334a45a8ff | 751 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 752 | * @param pData: pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 753 | * @param Size: amount of data to be sent. |
bogdanm | 0:9b334a45a8ff | 754 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 755 | */ |
bogdanm | 0:9b334a45a8ff | 756 | HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 757 | { |
bogdanm | 0:9b334a45a8ff | 758 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
bogdanm | 0:9b334a45a8ff | 759 | { |
bogdanm | 0:9b334a45a8ff | 760 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 761 | { |
bogdanm | 0:9b334a45a8ff | 762 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 763 | } |
bogdanm | 0:9b334a45a8ff | 764 | |
bogdanm | 0:9b334a45a8ff | 765 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 766 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 767 | |
bogdanm | 0:9b334a45a8ff | 768 | huart->pTxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 769 | huart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 770 | huart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 771 | |
bogdanm | 0:9b334a45a8ff | 772 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 773 | /* Check if a receive process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 774 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 775 | { |
bogdanm | 0:9b334a45a8ff | 776 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 777 | } |
bogdanm | 0:9b334a45a8ff | 778 | else |
bogdanm | 0:9b334a45a8ff | 779 | { |
bogdanm | 0:9b334a45a8ff | 780 | huart->State = HAL_UART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 781 | } |
bogdanm | 0:9b334a45a8ff | 782 | |
bogdanm | 0:9b334a45a8ff | 783 | /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 784 | __HAL_UART_ENABLE_IT(huart, UART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 785 | |
bogdanm | 0:9b334a45a8ff | 786 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 787 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 788 | |
bogdanm | 0:9b334a45a8ff | 789 | /* Enable the UART Transmit Data Register Empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 790 | __HAL_UART_ENABLE_IT(huart, UART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 791 | |
bogdanm | 0:9b334a45a8ff | 792 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 793 | } |
bogdanm | 0:9b334a45a8ff | 794 | else |
bogdanm | 0:9b334a45a8ff | 795 | { |
bogdanm | 0:9b334a45a8ff | 796 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 797 | } |
bogdanm | 0:9b334a45a8ff | 798 | } |
bogdanm | 0:9b334a45a8ff | 799 | |
bogdanm | 0:9b334a45a8ff | 800 | /** |
bogdanm | 0:9b334a45a8ff | 801 | * @brief Receive an amount of data in interrupt mode. |
bogdanm | 0:9b334a45a8ff | 802 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 803 | * @param pData: pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 804 | * @param Size: amount of data to be received. |
bogdanm | 0:9b334a45a8ff | 805 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 806 | */ |
bogdanm | 0:9b334a45a8ff | 807 | HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 808 | { |
bogdanm | 0:9b334a45a8ff | 809 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
bogdanm | 0:9b334a45a8ff | 810 | { |
bogdanm | 0:9b334a45a8ff | 811 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 812 | { |
bogdanm | 0:9b334a45a8ff | 813 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 814 | } |
bogdanm | 0:9b334a45a8ff | 815 | |
bogdanm | 0:9b334a45a8ff | 816 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 817 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 818 | |
bogdanm | 0:9b334a45a8ff | 819 | huart->pRxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 820 | huart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 821 | huart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 822 | |
bogdanm | 0:9b334a45a8ff | 823 | /* Computation of UART mask to apply to RDR register */ |
bogdanm | 0:9b334a45a8ff | 824 | UART_MASK_COMPUTATION(huart); |
bogdanm | 0:9b334a45a8ff | 825 | |
bogdanm | 0:9b334a45a8ff | 826 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 827 | /* Check if a transmit process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 828 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 829 | { |
bogdanm | 0:9b334a45a8ff | 830 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 831 | } |
bogdanm | 0:9b334a45a8ff | 832 | else |
bogdanm | 0:9b334a45a8ff | 833 | { |
bogdanm | 0:9b334a45a8ff | 834 | huart->State = HAL_UART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 835 | } |
bogdanm | 0:9b334a45a8ff | 836 | |
bogdanm | 0:9b334a45a8ff | 837 | /* Enable the UART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 838 | __HAL_UART_ENABLE_IT(huart, UART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 839 | |
bogdanm | 0:9b334a45a8ff | 840 | /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 841 | __HAL_UART_ENABLE_IT(huart, UART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 842 | |
bogdanm | 0:9b334a45a8ff | 843 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 844 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 845 | |
bogdanm | 0:9b334a45a8ff | 846 | /* Enable the UART Data Register not empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 847 | __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 848 | |
bogdanm | 0:9b334a45a8ff | 849 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 850 | } |
bogdanm | 0:9b334a45a8ff | 851 | else |
bogdanm | 0:9b334a45a8ff | 852 | { |
bogdanm | 0:9b334a45a8ff | 853 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 854 | } |
bogdanm | 0:9b334a45a8ff | 855 | } |
bogdanm | 0:9b334a45a8ff | 856 | |
bogdanm | 0:9b334a45a8ff | 857 | /** |
bogdanm | 0:9b334a45a8ff | 858 | * @brief Send an amount of data in DMA mode. |
bogdanm | 0:9b334a45a8ff | 859 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 860 | * @param pData: pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 861 | * @param Size: amount of data to be sent. |
bogdanm | 0:9b334a45a8ff | 862 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 863 | */ |
bogdanm | 0:9b334a45a8ff | 864 | HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 865 | { |
bogdanm | 0:9b334a45a8ff | 866 | uint32_t *tmp; |
bogdanm | 0:9b334a45a8ff | 867 | |
bogdanm | 0:9b334a45a8ff | 868 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
bogdanm | 0:9b334a45a8ff | 869 | { |
bogdanm | 0:9b334a45a8ff | 870 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 871 | { |
bogdanm | 0:9b334a45a8ff | 872 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 873 | } |
bogdanm | 0:9b334a45a8ff | 874 | |
bogdanm | 0:9b334a45a8ff | 875 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 876 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 877 | |
bogdanm | 0:9b334a45a8ff | 878 | huart->pTxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 879 | huart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 880 | huart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 881 | |
bogdanm | 0:9b334a45a8ff | 882 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 883 | /* Check if a receive process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 884 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 885 | { |
bogdanm | 0:9b334a45a8ff | 886 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 887 | } |
bogdanm | 0:9b334a45a8ff | 888 | else |
bogdanm | 0:9b334a45a8ff | 889 | { |
bogdanm | 0:9b334a45a8ff | 890 | huart->State = HAL_UART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 891 | } |
bogdanm | 0:9b334a45a8ff | 892 | |
bogdanm | 0:9b334a45a8ff | 893 | /* Set the UART DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 894 | huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt; |
bogdanm | 0:9b334a45a8ff | 895 | |
bogdanm | 0:9b334a45a8ff | 896 | /* Set the UART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 897 | huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 898 | |
bogdanm | 0:9b334a45a8ff | 899 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 900 | huart->hdmatx->XferErrorCallback = UART_DMAError; |
bogdanm | 0:9b334a45a8ff | 901 | |
bogdanm | 0:9b334a45a8ff | 902 | /* Enable the UART transmit DMA channel */ |
bogdanm | 0:9b334a45a8ff | 903 | tmp = (uint32_t*)&pData; |
bogdanm | 0:9b334a45a8ff | 904 | HAL_DMA_Start_IT(huart->hdmatx, *(uint32_t*)tmp, (uint32_t)&huart->Instance->TDR, Size); |
bogdanm | 0:9b334a45a8ff | 905 | |
bogdanm | 0:9b334a45a8ff | 906 | /* Clear the TC flag in the ICR register */ |
bogdanm | 0:9b334a45a8ff | 907 | __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_TCF); |
bogdanm | 0:9b334a45a8ff | 908 | |
bogdanm | 0:9b334a45a8ff | 909 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 910 | in the UART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 911 | huart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 912 | |
bogdanm | 0:9b334a45a8ff | 913 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 914 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 915 | |
bogdanm | 0:9b334a45a8ff | 916 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 917 | } |
bogdanm | 0:9b334a45a8ff | 918 | else |
bogdanm | 0:9b334a45a8ff | 919 | { |
bogdanm | 0:9b334a45a8ff | 920 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 921 | } |
bogdanm | 0:9b334a45a8ff | 922 | } |
bogdanm | 0:9b334a45a8ff | 923 | |
bogdanm | 0:9b334a45a8ff | 924 | /** |
bogdanm | 0:9b334a45a8ff | 925 | * @brief Receive an amount of data in DMA mode. |
bogdanm | 0:9b334a45a8ff | 926 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 927 | * @param pData: pointer to data buffer. |
bogdanm | 0:9b334a45a8ff | 928 | * @param Size: amount of data to be received. |
bogdanm | 0:9b334a45a8ff | 929 | * @note When the UART parity is enabled (PCE = 1), the received data contain |
bogdanm | 0:9b334a45a8ff | 930 | * the parity bit (MSB position). |
bogdanm | 0:9b334a45a8ff | 931 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 932 | */ |
bogdanm | 0:9b334a45a8ff | 933 | HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 934 | { |
bogdanm | 0:9b334a45a8ff | 935 | uint32_t *tmp; |
bogdanm | 0:9b334a45a8ff | 936 | |
bogdanm | 0:9b334a45a8ff | 937 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
bogdanm | 0:9b334a45a8ff | 938 | { |
bogdanm | 0:9b334a45a8ff | 939 | if((pData == NULL ) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 940 | { |
bogdanm | 0:9b334a45a8ff | 941 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 942 | } |
bogdanm | 0:9b334a45a8ff | 943 | |
bogdanm | 0:9b334a45a8ff | 944 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 945 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 946 | |
bogdanm | 0:9b334a45a8ff | 947 | huart->pRxBuffPtr = pData; |
bogdanm | 0:9b334a45a8ff | 948 | huart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 949 | |
bogdanm | 0:9b334a45a8ff | 950 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 951 | /* Check if a transmit process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 952 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 953 | { |
bogdanm | 0:9b334a45a8ff | 954 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 955 | } |
bogdanm | 0:9b334a45a8ff | 956 | else |
bogdanm | 0:9b334a45a8ff | 957 | { |
bogdanm | 0:9b334a45a8ff | 958 | huart->State = HAL_UART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 959 | } |
bogdanm | 0:9b334a45a8ff | 960 | |
bogdanm | 0:9b334a45a8ff | 961 | /* Set the UART DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 962 | huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt; |
bogdanm | 0:9b334a45a8ff | 963 | |
bogdanm | 0:9b334a45a8ff | 964 | /* Set the UART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 965 | huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 966 | |
bogdanm | 0:9b334a45a8ff | 967 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 968 | huart->hdmarx->XferErrorCallback = UART_DMAError; |
bogdanm | 0:9b334a45a8ff | 969 | |
bogdanm | 0:9b334a45a8ff | 970 | /* Enable the DMA channel */ |
bogdanm | 0:9b334a45a8ff | 971 | tmp = (uint32_t*)&pData; |
bogdanm | 0:9b334a45a8ff | 972 | HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->RDR, *(uint32_t*)tmp, Size); |
bogdanm | 0:9b334a45a8ff | 973 | |
bogdanm | 0:9b334a45a8ff | 974 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 975 | in the UART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 976 | huart->Instance->CR3 |= USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 977 | |
bogdanm | 0:9b334a45a8ff | 978 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 979 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 980 | |
bogdanm | 0:9b334a45a8ff | 981 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 982 | } |
bogdanm | 0:9b334a45a8ff | 983 | else |
bogdanm | 0:9b334a45a8ff | 984 | { |
bogdanm | 0:9b334a45a8ff | 985 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 986 | } |
bogdanm | 0:9b334a45a8ff | 987 | } |
bogdanm | 0:9b334a45a8ff | 988 | |
bogdanm | 0:9b334a45a8ff | 989 | /** |
bogdanm | 0:9b334a45a8ff | 990 | * @brief Pause the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 991 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 992 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 993 | */ |
bogdanm | 0:9b334a45a8ff | 994 | HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 995 | { |
bogdanm | 0:9b334a45a8ff | 996 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 997 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 998 | |
bogdanm | 0:9b334a45a8ff | 999 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1000 | { |
bogdanm | 0:9b334a45a8ff | 1001 | /* Disable the UART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1002 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1003 | } |
bogdanm | 0:9b334a45a8ff | 1004 | else if(huart->State == HAL_UART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1005 | { |
bogdanm | 0:9b334a45a8ff | 1006 | /* Disable the UART DMA Rx request */ |
bogdanm | 0:9b334a45a8ff | 1007 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1008 | } |
bogdanm | 0:9b334a45a8ff | 1009 | else if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1010 | { |
bogdanm | 0:9b334a45a8ff | 1011 | /* Disable the UART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1012 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1013 | /* Disable the UART DMA Rx request */ |
bogdanm | 0:9b334a45a8ff | 1014 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1015 | } |
bogdanm | 0:9b334a45a8ff | 1016 | |
bogdanm | 0:9b334a45a8ff | 1017 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1018 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1019 | |
bogdanm | 0:9b334a45a8ff | 1020 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1021 | } |
bogdanm | 0:9b334a45a8ff | 1022 | |
bogdanm | 0:9b334a45a8ff | 1023 | /** |
bogdanm | 0:9b334a45a8ff | 1024 | * @brief Resume the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1025 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1026 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1027 | */ |
bogdanm | 0:9b334a45a8ff | 1028 | HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1029 | { |
bogdanm | 0:9b334a45a8ff | 1030 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1031 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1032 | |
bogdanm | 0:9b334a45a8ff | 1033 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1034 | { |
bogdanm | 0:9b334a45a8ff | 1035 | /* Enable the UART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1036 | huart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 1037 | } |
bogdanm | 0:9b334a45a8ff | 1038 | else if(huart->State == HAL_UART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1039 | { |
bogdanm | 0:9b334a45a8ff | 1040 | /* Clear the Overrun flag before resumming the Rx transfer*/ |
bogdanm | 0:9b334a45a8ff | 1041 | __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_OREF); |
bogdanm | 0:9b334a45a8ff | 1042 | |
bogdanm | 0:9b334a45a8ff | 1043 | /* Enable the UART DMA Rx request */ |
bogdanm | 0:9b334a45a8ff | 1044 | huart->Instance->CR3 |= USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 1045 | } |
bogdanm | 0:9b334a45a8ff | 1046 | else if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1047 | { |
bogdanm | 0:9b334a45a8ff | 1048 | /* Clear the Overrun flag before resumming the Rx transfer*/ |
bogdanm | 0:9b334a45a8ff | 1049 | __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_OREF); |
bogdanm | 0:9b334a45a8ff | 1050 | |
bogdanm | 0:9b334a45a8ff | 1051 | /* Enable the UART DMA Rx request before the DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1052 | huart->Instance->CR3 |= USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 1053 | |
bogdanm | 0:9b334a45a8ff | 1054 | /* Enable the UART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1055 | huart->Instance->CR3 |= USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 1056 | } |
bogdanm | 0:9b334a45a8ff | 1057 | |
bogdanm | 0:9b334a45a8ff | 1058 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1059 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1060 | |
bogdanm | 0:9b334a45a8ff | 1061 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1062 | } |
bogdanm | 0:9b334a45a8ff | 1063 | |
bogdanm | 0:9b334a45a8ff | 1064 | /** |
bogdanm | 0:9b334a45a8ff | 1065 | * @brief Stop the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1066 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1067 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1068 | */ |
bogdanm | 0:9b334a45a8ff | 1069 | HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1070 | { |
bogdanm | 0:9b334a45a8ff | 1071 | /* The Lock is not implemented on this API to allow the user application |
bogdanm | 0:9b334a45a8ff | 1072 | to call the HAL UART API under callbacks HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback() / |
bogdanm | 0:9b334a45a8ff | 1073 | HAL_UART_TxHalfCpltCallback() / HAL_UART_RxHalfCpltCallback (): |
bogdanm | 0:9b334a45a8ff | 1074 | indeed, when HAL_DMA_Abort() API is called, the DMA TX/RX Transfer or Half Transfer complete interrupt is |
bogdanm | 0:9b334a45a8ff | 1075 | generated if the DMA transfer interruption occurs at the middle or at the end of the stream |
bogdanm | 0:9b334a45a8ff | 1076 | and the corresponding call back is executed. |
bogdanm | 0:9b334a45a8ff | 1077 | */ |
bogdanm | 0:9b334a45a8ff | 1078 | |
bogdanm | 0:9b334a45a8ff | 1079 | /* Disable the UART Tx/Rx DMA requests */ |
bogdanm | 0:9b334a45a8ff | 1080 | huart->Instance->CR3 &= ~USART_CR3_DMAT; |
bogdanm | 0:9b334a45a8ff | 1081 | huart->Instance->CR3 &= ~USART_CR3_DMAR; |
bogdanm | 0:9b334a45a8ff | 1082 | |
bogdanm | 0:9b334a45a8ff | 1083 | /* Abort the UART DMA tx channel */ |
bogdanm | 0:9b334a45a8ff | 1084 | if(huart->hdmatx != NULL) |
bogdanm | 0:9b334a45a8ff | 1085 | { |
bogdanm | 0:9b334a45a8ff | 1086 | HAL_DMA_Abort(huart->hdmatx); |
bogdanm | 0:9b334a45a8ff | 1087 | } |
bogdanm | 0:9b334a45a8ff | 1088 | /* Abort the UART DMA rx channel */ |
bogdanm | 0:9b334a45a8ff | 1089 | if(huart->hdmarx != NULL) |
bogdanm | 0:9b334a45a8ff | 1090 | { |
bogdanm | 0:9b334a45a8ff | 1091 | HAL_DMA_Abort(huart->hdmarx); |
bogdanm | 0:9b334a45a8ff | 1092 | } |
bogdanm | 0:9b334a45a8ff | 1093 | |
bogdanm | 0:9b334a45a8ff | 1094 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1095 | |
bogdanm | 0:9b334a45a8ff | 1096 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1097 | } |
bogdanm | 0:9b334a45a8ff | 1098 | |
bogdanm | 0:9b334a45a8ff | 1099 | /** |
bogdanm | 0:9b334a45a8ff | 1100 | * @brief Tx Transfer completed callback. |
bogdanm | 0:9b334a45a8ff | 1101 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1102 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1103 | */ |
bogdanm | 0:9b334a45a8ff | 1104 | __weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1105 | { |
bogdanm | 0:9b334a45a8ff | 1106 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1107 | the HAL_UART_TxCpltCallback can be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 1108 | */ |
bogdanm | 0:9b334a45a8ff | 1109 | } |
bogdanm | 0:9b334a45a8ff | 1110 | |
bogdanm | 0:9b334a45a8ff | 1111 | /** |
bogdanm | 0:9b334a45a8ff | 1112 | * @brief Tx Half Transfer completed callback. |
bogdanm | 0:9b334a45a8ff | 1113 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1114 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1115 | */ |
bogdanm | 0:9b334a45a8ff | 1116 | __weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1117 | { |
bogdanm | 0:9b334a45a8ff | 1118 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1119 | the HAL_UART_TxHalfCpltCallback can be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 1120 | */ |
bogdanm | 0:9b334a45a8ff | 1121 | } |
bogdanm | 0:9b334a45a8ff | 1122 | |
bogdanm | 0:9b334a45a8ff | 1123 | /** |
bogdanm | 0:9b334a45a8ff | 1124 | * @brief Rx Transfer completed callback. |
bogdanm | 0:9b334a45a8ff | 1125 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1126 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1127 | */ |
bogdanm | 0:9b334a45a8ff | 1128 | __weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1129 | { |
bogdanm | 0:9b334a45a8ff | 1130 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1131 | the HAL_UART_RxCpltCallback can be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 1132 | */ |
bogdanm | 0:9b334a45a8ff | 1133 | } |
bogdanm | 0:9b334a45a8ff | 1134 | |
bogdanm | 0:9b334a45a8ff | 1135 | /** |
bogdanm | 0:9b334a45a8ff | 1136 | * @brief Rx Half Transfer completed callback. |
bogdanm | 0:9b334a45a8ff | 1137 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1138 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1139 | */ |
bogdanm | 0:9b334a45a8ff | 1140 | __weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1141 | { |
bogdanm | 0:9b334a45a8ff | 1142 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1143 | the HAL_UART_RxHalfCpltCallback can be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 1144 | */ |
bogdanm | 0:9b334a45a8ff | 1145 | } |
bogdanm | 0:9b334a45a8ff | 1146 | |
bogdanm | 0:9b334a45a8ff | 1147 | /** |
bogdanm | 0:9b334a45a8ff | 1148 | * @brief UART error callback. |
bogdanm | 0:9b334a45a8ff | 1149 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1150 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1151 | */ |
bogdanm | 0:9b334a45a8ff | 1152 | __weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1153 | { |
bogdanm | 0:9b334a45a8ff | 1154 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1155 | the HAL_UART_ErrorCallback can be implemented in the user file. |
bogdanm | 0:9b334a45a8ff | 1156 | */ |
bogdanm | 0:9b334a45a8ff | 1157 | } |
bogdanm | 0:9b334a45a8ff | 1158 | |
bogdanm | 0:9b334a45a8ff | 1159 | /** |
bogdanm | 0:9b334a45a8ff | 1160 | * @} |
bogdanm | 0:9b334a45a8ff | 1161 | */ |
bogdanm | 0:9b334a45a8ff | 1162 | |
bogdanm | 0:9b334a45a8ff | 1163 | /** @defgroup UART_Exported_Functions_Group3 Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 1164 | * @brief UART control functions |
bogdanm | 0:9b334a45a8ff | 1165 | * |
bogdanm | 0:9b334a45a8ff | 1166 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1167 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 1168 | ##### Peripheral Control functions ##### |
bogdanm | 0:9b334a45a8ff | 1169 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 1170 | [..] |
bogdanm | 0:9b334a45a8ff | 1171 | This subsection provides a set of functions allowing to control the UART. |
bogdanm | 0:9b334a45a8ff | 1172 | (+) HAL_MultiProcessor_EnableMuteMode() API enables mute mode |
bogdanm | 0:9b334a45a8ff | 1173 | (+) HAL_MultiProcessor_DisableMuteMode() API disables mute mode |
bogdanm | 0:9b334a45a8ff | 1174 | (+) HAL_MultiProcessor_EnterMuteMode() API enters mute mode |
bogdanm | 0:9b334a45a8ff | 1175 | (+) HAL_HalfDuplex_EnableTransmitter() API disables receiver and enables transmitter |
bogdanm | 0:9b334a45a8ff | 1176 | (+) HAL_HalfDuplex_EnableReceiver() API disables transmitter and enables receiver |
bogdanm | 0:9b334a45a8ff | 1177 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1178 | * @{ |
bogdanm | 0:9b334a45a8ff | 1179 | */ |
bogdanm | 0:9b334a45a8ff | 1180 | |
bogdanm | 0:9b334a45a8ff | 1181 | /** |
bogdanm | 0:9b334a45a8ff | 1182 | * @brief Enable UART in mute mode (does not mean UART enters mute mode; |
bogdanm | 0:9b334a45a8ff | 1183 | * to enter mute mode, HAL_MultiProcessor_EnterMuteMode() API must be called). |
bogdanm | 0:9b334a45a8ff | 1184 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1185 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1186 | */ |
bogdanm | 0:9b334a45a8ff | 1187 | HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1188 | { |
bogdanm | 0:9b334a45a8ff | 1189 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1190 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1191 | |
bogdanm | 0:9b334a45a8ff | 1192 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 1193 | |
bogdanm | 0:9b334a45a8ff | 1194 | /* Enable USART mute mode by setting the MME bit in the CR1 register */ |
bogdanm | 0:9b334a45a8ff | 1195 | huart->Instance->CR1 |= USART_CR1_MME; |
bogdanm | 0:9b334a45a8ff | 1196 | |
bogdanm | 0:9b334a45a8ff | 1197 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1198 | |
bogdanm | 0:9b334a45a8ff | 1199 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 1200 | } |
bogdanm | 0:9b334a45a8ff | 1201 | |
bogdanm | 0:9b334a45a8ff | 1202 | /** |
bogdanm | 0:9b334a45a8ff | 1203 | * @brief Disable UART mute mode (does not mean the UART actually exits mute mode |
bogdanm | 0:9b334a45a8ff | 1204 | * as it may not have been in mute mode at this very moment). |
bogdanm | 0:9b334a45a8ff | 1205 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1206 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1207 | */ |
bogdanm | 0:9b334a45a8ff | 1208 | HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1209 | { |
bogdanm | 0:9b334a45a8ff | 1210 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1211 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1212 | |
bogdanm | 0:9b334a45a8ff | 1213 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 1214 | |
bogdanm | 0:9b334a45a8ff | 1215 | /* Disable USART mute mode by clearing the MME bit in the CR1 register */ |
bogdanm | 0:9b334a45a8ff | 1216 | huart->Instance->CR1 &= ~(USART_CR1_MME); |
bogdanm | 0:9b334a45a8ff | 1217 | |
bogdanm | 0:9b334a45a8ff | 1218 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1219 | |
bogdanm | 0:9b334a45a8ff | 1220 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 1221 | } |
bogdanm | 0:9b334a45a8ff | 1222 | |
bogdanm | 0:9b334a45a8ff | 1223 | /** |
bogdanm | 0:9b334a45a8ff | 1224 | * @brief Enter UART mute mode (means UART actually enters mute mode). |
bogdanm | 0:9b334a45a8ff | 1225 | * @note To exit from mute mode, HAL_MultiProcessor_DisableMuteMode() API must be called. |
bogdanm | 0:9b334a45a8ff | 1226 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1227 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1228 | */ |
bogdanm | 0:9b334a45a8ff | 1229 | void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1230 | { |
bogdanm | 0:9b334a45a8ff | 1231 | __HAL_UART_SEND_REQ(huart, UART_MUTE_MODE_REQUEST); |
bogdanm | 0:9b334a45a8ff | 1232 | } |
bogdanm | 0:9b334a45a8ff | 1233 | |
bogdanm | 0:9b334a45a8ff | 1234 | /** |
bogdanm | 0:9b334a45a8ff | 1235 | * @brief Enable the UART transmitter and disable the UART receiver. |
bogdanm | 0:9b334a45a8ff | 1236 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1237 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1238 | */ |
bogdanm | 0:9b334a45a8ff | 1239 | HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1240 | { |
bogdanm | 0:9b334a45a8ff | 1241 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1242 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1243 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 1244 | |
bogdanm | 0:9b334a45a8ff | 1245 | /* Clear TE and RE bits */ |
bogdanm | 0:9b334a45a8ff | 1246 | CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); |
bogdanm | 0:9b334a45a8ff | 1247 | /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */ |
bogdanm | 0:9b334a45a8ff | 1248 | SET_BIT(huart->Instance->CR1, USART_CR1_TE); |
bogdanm | 0:9b334a45a8ff | 1249 | |
bogdanm | 0:9b334a45a8ff | 1250 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1251 | |
bogdanm | 0:9b334a45a8ff | 1252 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1253 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1254 | |
bogdanm | 0:9b334a45a8ff | 1255 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1256 | } |
bogdanm | 0:9b334a45a8ff | 1257 | |
bogdanm | 0:9b334a45a8ff | 1258 | /** |
bogdanm | 0:9b334a45a8ff | 1259 | * @brief Enable the UART receiver and disable the UART transmitter. |
bogdanm | 0:9b334a45a8ff | 1260 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1261 | * @retval HAL status. |
bogdanm | 0:9b334a45a8ff | 1262 | */ |
bogdanm | 0:9b334a45a8ff | 1263 | HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1264 | { |
bogdanm | 0:9b334a45a8ff | 1265 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1266 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1267 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 1268 | |
bogdanm | 0:9b334a45a8ff | 1269 | /* Clear TE and RE bits */ |
bogdanm | 0:9b334a45a8ff | 1270 | CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); |
bogdanm | 0:9b334a45a8ff | 1271 | /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */ |
bogdanm | 0:9b334a45a8ff | 1272 | SET_BIT(huart->Instance->CR1, USART_CR1_RE); |
bogdanm | 0:9b334a45a8ff | 1273 | |
bogdanm | 0:9b334a45a8ff | 1274 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1275 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1276 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1277 | |
bogdanm | 0:9b334a45a8ff | 1278 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1279 | } |
bogdanm | 0:9b334a45a8ff | 1280 | |
bogdanm | 0:9b334a45a8ff | 1281 | /** |
bogdanm | 0:9b334a45a8ff | 1282 | * @} |
bogdanm | 0:9b334a45a8ff | 1283 | */ |
bogdanm | 0:9b334a45a8ff | 1284 | |
bogdanm | 0:9b334a45a8ff | 1285 | /** @defgroup UART_Exported_Functions_Group4 Peripheral State and Error functions |
bogdanm | 0:9b334a45a8ff | 1286 | * @brief UART Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 1287 | * |
bogdanm | 0:9b334a45a8ff | 1288 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1289 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1290 | ##### Peripheral State and Error functions ##### |
bogdanm | 0:9b334a45a8ff | 1291 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1292 | [..] |
bogdanm | 0:9b334a45a8ff | 1293 | This subsection provides functions allowing to : |
bogdanm | 0:9b334a45a8ff | 1294 | (+) Return the UART handle state. |
bogdanm | 0:9b334a45a8ff | 1295 | (+) Return the UART handle error code |
bogdanm | 0:9b334a45a8ff | 1296 | |
bogdanm | 0:9b334a45a8ff | 1297 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1298 | * @{ |
bogdanm | 0:9b334a45a8ff | 1299 | */ |
bogdanm | 0:9b334a45a8ff | 1300 | |
bogdanm | 0:9b334a45a8ff | 1301 | /** |
bogdanm | 0:9b334a45a8ff | 1302 | * @brief Return the UART handle state. |
bogdanm | 0:9b334a45a8ff | 1303 | * @param huart : pointer to a UART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1304 | * the configuration information for the specified UART. |
bogdanm | 0:9b334a45a8ff | 1305 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 1306 | */ |
bogdanm | 0:9b334a45a8ff | 1307 | HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1308 | { |
bogdanm | 0:9b334a45a8ff | 1309 | return huart->State; |
bogdanm | 0:9b334a45a8ff | 1310 | } |
bogdanm | 0:9b334a45a8ff | 1311 | |
bogdanm | 0:9b334a45a8ff | 1312 | /** |
bogdanm | 0:9b334a45a8ff | 1313 | * @brief Return the UART handle error code. |
bogdanm | 0:9b334a45a8ff | 1314 | * @param huart : pointer to a UART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1315 | * the configuration information for the specified UART. |
bogdanm | 0:9b334a45a8ff | 1316 | * @retval UART Error Code |
bogdanm | 0:9b334a45a8ff | 1317 | */ |
bogdanm | 0:9b334a45a8ff | 1318 | uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1319 | { |
bogdanm | 0:9b334a45a8ff | 1320 | return huart->ErrorCode; |
bogdanm | 0:9b334a45a8ff | 1321 | } |
bogdanm | 0:9b334a45a8ff | 1322 | /** |
bogdanm | 0:9b334a45a8ff | 1323 | * @} |
bogdanm | 0:9b334a45a8ff | 1324 | */ |
bogdanm | 0:9b334a45a8ff | 1325 | |
bogdanm | 0:9b334a45a8ff | 1326 | /** |
bogdanm | 0:9b334a45a8ff | 1327 | * @} |
bogdanm | 0:9b334a45a8ff | 1328 | */ |
bogdanm | 0:9b334a45a8ff | 1329 | |
bogdanm | 0:9b334a45a8ff | 1330 | /** @defgroup UART_Private_Functions UART Private Functions |
bogdanm | 0:9b334a45a8ff | 1331 | * @{ |
bogdanm | 0:9b334a45a8ff | 1332 | */ |
bogdanm | 0:9b334a45a8ff | 1333 | |
bogdanm | 0:9b334a45a8ff | 1334 | /** |
bogdanm | 0:9b334a45a8ff | 1335 | * @brief Configure the UART peripheral. |
bogdanm | 0:9b334a45a8ff | 1336 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1337 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1338 | */ |
bogdanm | 0:9b334a45a8ff | 1339 | HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1340 | { |
bogdanm | 0:9b334a45a8ff | 1341 | uint32_t tmpreg = 0x00000000; |
bogdanm | 0:9b334a45a8ff | 1342 | UART_ClockSourceTypeDef clocksource = UART_CLOCKSOURCE_UNDEFINED; |
bogdanm | 0:9b334a45a8ff | 1343 | uint16_t brrtemp = 0x0000; |
bogdanm | 0:9b334a45a8ff | 1344 | uint16_t usartdiv = 0x0000; |
bogdanm | 0:9b334a45a8ff | 1345 | HAL_StatusTypeDef ret = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1346 | |
bogdanm | 0:9b334a45a8ff | 1347 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 1348 | assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1349 | assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength)); |
bogdanm | 0:9b334a45a8ff | 1350 | assert_param(IS_UART_STOPBITS(huart->Init.StopBits)); |
bogdanm | 0:9b334a45a8ff | 1351 | assert_param(IS_UART_PARITY(huart->Init.Parity)); |
bogdanm | 0:9b334a45a8ff | 1352 | assert_param(IS_UART_MODE(huart->Init.Mode)); |
bogdanm | 0:9b334a45a8ff | 1353 | assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl)); |
bogdanm | 0:9b334a45a8ff | 1354 | assert_param(IS_UART_ONE_BIT_SAMPLE(huart->Init.OneBitSampling)); |
bogdanm | 0:9b334a45a8ff | 1355 | assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling)); |
bogdanm | 0:9b334a45a8ff | 1356 | |
bogdanm | 0:9b334a45a8ff | 1357 | |
bogdanm | 0:9b334a45a8ff | 1358 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1359 | /* Clear M, PCE, PS, TE, RE and OVER8 bits and configure |
bogdanm | 0:9b334a45a8ff | 1360 | * the UART Word Length, Parity, Mode and oversampling: |
bogdanm | 0:9b334a45a8ff | 1361 | * set the M bits according to huart->Init.WordLength value |
bogdanm | 0:9b334a45a8ff | 1362 | * set PCE and PS bits according to huart->Init.Parity value |
bogdanm | 0:9b334a45a8ff | 1363 | * set TE and RE bits according to huart->Init.Mode value |
bogdanm | 0:9b334a45a8ff | 1364 | * set OVER8 bit according to huart->Init.OverSampling value */ |
bogdanm | 0:9b334a45a8ff | 1365 | tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling ; |
bogdanm | 0:9b334a45a8ff | 1366 | MODIFY_REG(huart->Instance->CR1, UART_CR1_FIELDS, tmpreg); |
bogdanm | 0:9b334a45a8ff | 1367 | |
bogdanm | 0:9b334a45a8ff | 1368 | /*-------------------------- USART CR2 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1369 | /* Configure the UART Stop Bits: Set STOP[13:12] bits according |
bogdanm | 0:9b334a45a8ff | 1370 | * to huart->Init.StopBits value */ |
bogdanm | 0:9b334a45a8ff | 1371 | MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits); |
bogdanm | 0:9b334a45a8ff | 1372 | |
bogdanm | 0:9b334a45a8ff | 1373 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1374 | /* Configure |
bogdanm | 0:9b334a45a8ff | 1375 | * - UART HardWare Flow Control: set CTSE and RTSE bits according |
bogdanm | 0:9b334a45a8ff | 1376 | * to huart->Init.HwFlowCtl value |
bogdanm | 0:9b334a45a8ff | 1377 | * - one-bit sampling method versus three samples' majority rule according |
bogdanm | 0:9b334a45a8ff | 1378 | * to huart->Init.OneBitSampling */ |
bogdanm | 0:9b334a45a8ff | 1379 | tmpreg = (uint32_t)huart->Init.HwFlowCtl | huart->Init.OneBitSampling ; |
bogdanm | 0:9b334a45a8ff | 1380 | MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE | USART_CR3_ONEBIT), tmpreg); |
bogdanm | 0:9b334a45a8ff | 1381 | |
bogdanm | 0:9b334a45a8ff | 1382 | /*-------------------------- USART BRR Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1383 | UART_GETCLOCKSOURCE(huart, clocksource); |
bogdanm | 0:9b334a45a8ff | 1384 | |
bogdanm | 0:9b334a45a8ff | 1385 | /* Check UART Over Sampling to set Baud Rate Register */ |
bogdanm | 0:9b334a45a8ff | 1386 | if (huart->Init.OverSampling == UART_OVERSAMPLING_8) |
bogdanm | 0:9b334a45a8ff | 1387 | { |
bogdanm | 0:9b334a45a8ff | 1388 | switch (clocksource) |
bogdanm | 0:9b334a45a8ff | 1389 | { |
bogdanm | 0:9b334a45a8ff | 1390 | case UART_CLOCKSOURCE_PCLK1: |
bogdanm | 0:9b334a45a8ff | 1391 | usartdiv = (uint16_t)(UART_DIV_SAMPLING8(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1392 | break; |
bogdanm | 0:9b334a45a8ff | 1393 | case UART_CLOCKSOURCE_HSI: |
bogdanm | 0:9b334a45a8ff | 1394 | usartdiv = (uint16_t)(UART_DIV_SAMPLING8(HSI_VALUE, huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1395 | break; |
bogdanm | 0:9b334a45a8ff | 1396 | case UART_CLOCKSOURCE_SYSCLK: |
bogdanm | 0:9b334a45a8ff | 1397 | usartdiv = (uint16_t)(UART_DIV_SAMPLING8(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1398 | break; |
bogdanm | 0:9b334a45a8ff | 1399 | case UART_CLOCKSOURCE_LSE: |
bogdanm | 0:9b334a45a8ff | 1400 | usartdiv = (uint16_t)(UART_DIV_SAMPLING8(LSE_VALUE, huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1401 | break; |
bogdanm | 0:9b334a45a8ff | 1402 | case UART_CLOCKSOURCE_UNDEFINED: |
bogdanm | 0:9b334a45a8ff | 1403 | default: |
bogdanm | 0:9b334a45a8ff | 1404 | ret = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1405 | break; |
bogdanm | 0:9b334a45a8ff | 1406 | } |
bogdanm | 0:9b334a45a8ff | 1407 | |
bogdanm | 0:9b334a45a8ff | 1408 | brrtemp = usartdiv & 0xFFF0; |
bogdanm | 0:9b334a45a8ff | 1409 | brrtemp |= (uint16_t)((usartdiv & (uint16_t)0x000F) >> 1U); |
bogdanm | 0:9b334a45a8ff | 1410 | huart->Instance->BRR = brrtemp; |
bogdanm | 0:9b334a45a8ff | 1411 | } |
bogdanm | 0:9b334a45a8ff | 1412 | else |
bogdanm | 0:9b334a45a8ff | 1413 | { |
bogdanm | 0:9b334a45a8ff | 1414 | switch (clocksource) |
bogdanm | 0:9b334a45a8ff | 1415 | { |
bogdanm | 0:9b334a45a8ff | 1416 | case UART_CLOCKSOURCE_PCLK1: |
bogdanm | 0:9b334a45a8ff | 1417 | huart->Instance->BRR = (uint16_t)(UART_DIV_SAMPLING16(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1418 | break; |
bogdanm | 0:9b334a45a8ff | 1419 | case UART_CLOCKSOURCE_HSI: |
bogdanm | 0:9b334a45a8ff | 1420 | huart->Instance->BRR = (uint16_t)(UART_DIV_SAMPLING16(HSI_VALUE, huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1421 | break; |
bogdanm | 0:9b334a45a8ff | 1422 | case UART_CLOCKSOURCE_SYSCLK: |
bogdanm | 0:9b334a45a8ff | 1423 | huart->Instance->BRR = (uint16_t)(UART_DIV_SAMPLING16(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1424 | break; |
bogdanm | 0:9b334a45a8ff | 1425 | case UART_CLOCKSOURCE_LSE: |
bogdanm | 0:9b334a45a8ff | 1426 | huart->Instance->BRR = (uint16_t)(UART_DIV_SAMPLING16(LSE_VALUE, huart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1427 | break; |
bogdanm | 0:9b334a45a8ff | 1428 | case UART_CLOCKSOURCE_UNDEFINED: |
bogdanm | 0:9b334a45a8ff | 1429 | default: |
bogdanm | 0:9b334a45a8ff | 1430 | ret = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1431 | break; |
bogdanm | 0:9b334a45a8ff | 1432 | } |
bogdanm | 0:9b334a45a8ff | 1433 | } |
bogdanm | 0:9b334a45a8ff | 1434 | |
bogdanm | 0:9b334a45a8ff | 1435 | return ret; |
bogdanm | 0:9b334a45a8ff | 1436 | |
bogdanm | 0:9b334a45a8ff | 1437 | } |
bogdanm | 0:9b334a45a8ff | 1438 | |
bogdanm | 0:9b334a45a8ff | 1439 | /** |
bogdanm | 0:9b334a45a8ff | 1440 | * @brief Configure the UART peripheral advanced features. |
bogdanm | 0:9b334a45a8ff | 1441 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1442 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1443 | */ |
bogdanm | 0:9b334a45a8ff | 1444 | void UART_AdvFeatureConfig(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1445 | { |
bogdanm | 0:9b334a45a8ff | 1446 | /* Check whether the set of advanced features to configure is properly set */ |
bogdanm | 0:9b334a45a8ff | 1447 | assert_param(IS_UART_ADVFEATURE_INIT(huart->AdvancedInit.AdvFeatureInit)); |
bogdanm | 0:9b334a45a8ff | 1448 | |
bogdanm | 0:9b334a45a8ff | 1449 | /* if required, configure TX pin active level inversion */ |
bogdanm | 0:9b334a45a8ff | 1450 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_TXINVERT_INIT)) |
bogdanm | 0:9b334a45a8ff | 1451 | { |
bogdanm | 0:9b334a45a8ff | 1452 | assert_param(IS_UART_ADVFEATURE_TXINV(huart->AdvancedInit.TxPinLevelInvert)); |
bogdanm | 0:9b334a45a8ff | 1453 | MODIFY_REG(huart->Instance->CR2, USART_CR2_TXINV, huart->AdvancedInit.TxPinLevelInvert); |
bogdanm | 0:9b334a45a8ff | 1454 | } |
bogdanm | 0:9b334a45a8ff | 1455 | |
bogdanm | 0:9b334a45a8ff | 1456 | /* if required, configure RX pin active level inversion */ |
bogdanm | 0:9b334a45a8ff | 1457 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_RXINVERT_INIT)) |
bogdanm | 0:9b334a45a8ff | 1458 | { |
bogdanm | 0:9b334a45a8ff | 1459 | assert_param(IS_UART_ADVFEATURE_RXINV(huart->AdvancedInit.RxPinLevelInvert)); |
bogdanm | 0:9b334a45a8ff | 1460 | MODIFY_REG(huart->Instance->CR2, USART_CR2_RXINV, huart->AdvancedInit.RxPinLevelInvert); |
bogdanm | 0:9b334a45a8ff | 1461 | } |
bogdanm | 0:9b334a45a8ff | 1462 | |
bogdanm | 0:9b334a45a8ff | 1463 | /* if required, configure data inversion */ |
bogdanm | 0:9b334a45a8ff | 1464 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_DATAINVERT_INIT)) |
bogdanm | 0:9b334a45a8ff | 1465 | { |
bogdanm | 0:9b334a45a8ff | 1466 | assert_param(IS_UART_ADVFEATURE_DATAINV(huart->AdvancedInit.DataInvert)); |
bogdanm | 0:9b334a45a8ff | 1467 | MODIFY_REG(huart->Instance->CR2, USART_CR2_DATAINV, huart->AdvancedInit.DataInvert); |
bogdanm | 0:9b334a45a8ff | 1468 | } |
bogdanm | 0:9b334a45a8ff | 1469 | |
bogdanm | 0:9b334a45a8ff | 1470 | /* if required, configure RX/TX pins swap */ |
bogdanm | 0:9b334a45a8ff | 1471 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_SWAP_INIT)) |
bogdanm | 0:9b334a45a8ff | 1472 | { |
bogdanm | 0:9b334a45a8ff | 1473 | assert_param(IS_UART_ADVFEATURE_SWAP(huart->AdvancedInit.Swap)); |
bogdanm | 0:9b334a45a8ff | 1474 | MODIFY_REG(huart->Instance->CR2, USART_CR2_SWAP, huart->AdvancedInit.Swap); |
bogdanm | 0:9b334a45a8ff | 1475 | } |
bogdanm | 0:9b334a45a8ff | 1476 | |
bogdanm | 0:9b334a45a8ff | 1477 | /* if required, configure RX overrun detection disabling */ |
bogdanm | 0:9b334a45a8ff | 1478 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_RXOVERRUNDISABLE_INIT)) |
bogdanm | 0:9b334a45a8ff | 1479 | { |
bogdanm | 0:9b334a45a8ff | 1480 | assert_param(IS_UART_OVERRUN(huart->AdvancedInit.OverrunDisable)); |
bogdanm | 0:9b334a45a8ff | 1481 | MODIFY_REG(huart->Instance->CR3, USART_CR3_OVRDIS, huart->AdvancedInit.OverrunDisable); |
bogdanm | 0:9b334a45a8ff | 1482 | } |
bogdanm | 0:9b334a45a8ff | 1483 | |
bogdanm | 0:9b334a45a8ff | 1484 | /* if required, configure DMA disabling on reception error */ |
bogdanm | 0:9b334a45a8ff | 1485 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_DMADISABLEONERROR_INIT)) |
bogdanm | 0:9b334a45a8ff | 1486 | { |
bogdanm | 0:9b334a45a8ff | 1487 | assert_param(IS_UART_ADVFEATURE_DMAONRXERROR(huart->AdvancedInit.DMADisableonRxError)); |
bogdanm | 0:9b334a45a8ff | 1488 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DDRE, huart->AdvancedInit.DMADisableonRxError); |
bogdanm | 0:9b334a45a8ff | 1489 | } |
bogdanm | 0:9b334a45a8ff | 1490 | |
bogdanm | 0:9b334a45a8ff | 1491 | /* if required, configure auto Baud rate detection scheme */ |
bogdanm | 0:9b334a45a8ff | 1492 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_AUTOBAUDRATE_INIT)) |
bogdanm | 0:9b334a45a8ff | 1493 | { |
bogdanm | 0:9b334a45a8ff | 1494 | assert_param(IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(huart->Instance)); |
bogdanm | 0:9b334a45a8ff | 1495 | assert_param(IS_UART_ADVFEATURE_AUTOBAUDRATE(huart->AdvancedInit.AutoBaudRateEnable)); |
bogdanm | 0:9b334a45a8ff | 1496 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ABREN, huart->AdvancedInit.AutoBaudRateEnable); |
bogdanm | 0:9b334a45a8ff | 1497 | /* set auto Baudrate detection parameters if detection is enabled */ |
bogdanm | 0:9b334a45a8ff | 1498 | if(huart->AdvancedInit.AutoBaudRateEnable == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE) |
bogdanm | 0:9b334a45a8ff | 1499 | { |
bogdanm | 0:9b334a45a8ff | 1500 | assert_param(IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(huart->AdvancedInit.AutoBaudRateMode)); |
bogdanm | 0:9b334a45a8ff | 1501 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ABRMODE, huart->AdvancedInit.AutoBaudRateMode); |
bogdanm | 0:9b334a45a8ff | 1502 | } |
bogdanm | 0:9b334a45a8ff | 1503 | } |
bogdanm | 0:9b334a45a8ff | 1504 | |
bogdanm | 0:9b334a45a8ff | 1505 | /* if required, configure MSB first on communication line */ |
bogdanm | 0:9b334a45a8ff | 1506 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_MSBFIRST_INIT)) |
bogdanm | 0:9b334a45a8ff | 1507 | { |
bogdanm | 0:9b334a45a8ff | 1508 | assert_param(IS_UART_ADVFEATURE_MSBFIRST(huart->AdvancedInit.MSBFirst)); |
bogdanm | 0:9b334a45a8ff | 1509 | MODIFY_REG(huart->Instance->CR2, USART_CR2_MSBFIRST, huart->AdvancedInit.MSBFirst); |
bogdanm | 0:9b334a45a8ff | 1510 | } |
bogdanm | 0:9b334a45a8ff | 1511 | } |
bogdanm | 0:9b334a45a8ff | 1512 | |
bogdanm | 0:9b334a45a8ff | 1513 | /** |
bogdanm | 0:9b334a45a8ff | 1514 | * @brief Check the UART Idle State. |
bogdanm | 0:9b334a45a8ff | 1515 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1516 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1517 | */ |
bogdanm | 0:9b334a45a8ff | 1518 | HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1519 | { |
bogdanm | 0:9b334a45a8ff | 1520 | /* Initialize the UART ErrorCode */ |
bogdanm | 0:9b334a45a8ff | 1521 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 1522 | |
bogdanm | 0:9b334a45a8ff | 1523 | /* TEACK and REACK bits in ISR are checked only when available (not available on all F0 devices). |
bogdanm | 0:9b334a45a8ff | 1524 | Bits are defined for some specific devices, and are available only for UART instances supporting WakeUp from Stop Mode feature. |
bogdanm | 0:9b334a45a8ff | 1525 | */ |
bogdanm | 0:9b334a45a8ff | 1526 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
bogdanm | 0:9b334a45a8ff | 1527 | if (IS_UART_WAKEUP_INSTANCE(huart->Instance)) |
bogdanm | 0:9b334a45a8ff | 1528 | { |
bogdanm | 0:9b334a45a8ff | 1529 | /* Check if the Transmitter is enabled */ |
bogdanm | 0:9b334a45a8ff | 1530 | if((huart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) |
bogdanm | 0:9b334a45a8ff | 1531 | { |
bogdanm | 0:9b334a45a8ff | 1532 | /* Wait until TEACK flag is set */ |
bogdanm | 0:9b334a45a8ff | 1533 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_TEACK, RESET, UART_TEACK_REACK_TIMEOUT) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1534 | { |
bogdanm | 0:9b334a45a8ff | 1535 | /* Timeout occurred */ |
bogdanm | 0:9b334a45a8ff | 1536 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1537 | } |
bogdanm | 0:9b334a45a8ff | 1538 | } |
bogdanm | 0:9b334a45a8ff | 1539 | |
bogdanm | 0:9b334a45a8ff | 1540 | /* Check if the Receiver is enabled */ |
bogdanm | 0:9b334a45a8ff | 1541 | if((huart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) |
bogdanm | 0:9b334a45a8ff | 1542 | { |
bogdanm | 0:9b334a45a8ff | 1543 | /* Wait until REACK flag is set */ |
bogdanm | 0:9b334a45a8ff | 1544 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, UART_TEACK_REACK_TIMEOUT) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 1545 | { |
bogdanm | 0:9b334a45a8ff | 1546 | /* Timeout occurred */ |
bogdanm | 0:9b334a45a8ff | 1547 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1548 | } |
bogdanm | 0:9b334a45a8ff | 1549 | } |
bogdanm | 0:9b334a45a8ff | 1550 | } |
bogdanm | 0:9b334a45a8ff | 1551 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
bogdanm | 0:9b334a45a8ff | 1552 | |
bogdanm | 0:9b334a45a8ff | 1553 | /* Initialize the UART State */ |
bogdanm | 0:9b334a45a8ff | 1554 | huart->State= HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1555 | |
bogdanm | 0:9b334a45a8ff | 1556 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1557 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1558 | |
bogdanm | 0:9b334a45a8ff | 1559 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1560 | } |
bogdanm | 0:9b334a45a8ff | 1561 | |
bogdanm | 0:9b334a45a8ff | 1562 | |
bogdanm | 0:9b334a45a8ff | 1563 | /** |
bogdanm | 0:9b334a45a8ff | 1564 | * @brief Handle UART Communication Timeout. |
bogdanm | 0:9b334a45a8ff | 1565 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1566 | * @param Flag: specifies the UART flag to check. |
bogdanm | 0:9b334a45a8ff | 1567 | * @param Status: the Flag status (SET or RESET). |
bogdanm | 0:9b334a45a8ff | 1568 | * @param Timeout: Timeout duration. |
bogdanm | 0:9b334a45a8ff | 1569 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1570 | */ |
bogdanm | 0:9b334a45a8ff | 1571 | HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 1572 | { |
bogdanm | 0:9b334a45a8ff | 1573 | uint32_t tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 1574 | |
bogdanm | 0:9b334a45a8ff | 1575 | /* Wait until flag is set */ |
bogdanm | 0:9b334a45a8ff | 1576 | if(Status == RESET) |
bogdanm | 0:9b334a45a8ff | 1577 | { |
bogdanm | 0:9b334a45a8ff | 1578 | while(__HAL_UART_GET_FLAG(huart, Flag) == RESET) |
bogdanm | 0:9b334a45a8ff | 1579 | { |
bogdanm | 0:9b334a45a8ff | 1580 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 1581 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1582 | { |
bogdanm | 0:9b334a45a8ff | 1583 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1584 | { |
bogdanm | 0:9b334a45a8ff | 1585 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
bogdanm | 0:9b334a45a8ff | 1586 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1587 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1588 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1589 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1590 | |
bogdanm | 0:9b334a45a8ff | 1591 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1592 | |
bogdanm | 0:9b334a45a8ff | 1593 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1594 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1595 | |
bogdanm | 0:9b334a45a8ff | 1596 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1597 | } |
bogdanm | 0:9b334a45a8ff | 1598 | } |
bogdanm | 0:9b334a45a8ff | 1599 | } |
bogdanm | 0:9b334a45a8ff | 1600 | } |
bogdanm | 0:9b334a45a8ff | 1601 | else |
bogdanm | 0:9b334a45a8ff | 1602 | { |
bogdanm | 0:9b334a45a8ff | 1603 | while(__HAL_UART_GET_FLAG(huart, Flag) != RESET) |
bogdanm | 0:9b334a45a8ff | 1604 | { |
bogdanm | 0:9b334a45a8ff | 1605 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 1606 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1607 | { |
bogdanm | 0:9b334a45a8ff | 1608 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1609 | { |
bogdanm | 0:9b334a45a8ff | 1610 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
bogdanm | 0:9b334a45a8ff | 1611 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1612 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1613 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1614 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1615 | |
bogdanm | 0:9b334a45a8ff | 1616 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1617 | |
bogdanm | 0:9b334a45a8ff | 1618 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1619 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 1620 | |
bogdanm | 0:9b334a45a8ff | 1621 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1622 | } |
bogdanm | 0:9b334a45a8ff | 1623 | } |
bogdanm | 0:9b334a45a8ff | 1624 | } |
bogdanm | 0:9b334a45a8ff | 1625 | } |
bogdanm | 0:9b334a45a8ff | 1626 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1627 | } |
bogdanm | 0:9b334a45a8ff | 1628 | |
bogdanm | 0:9b334a45a8ff | 1629 | /** |
bogdanm | 0:9b334a45a8ff | 1630 | * @brief DMA UART transmit process complete callback. |
bogdanm | 0:9b334a45a8ff | 1631 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 1632 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1633 | */ |
bogdanm | 0:9b334a45a8ff | 1634 | static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1635 | { |
bogdanm | 0:9b334a45a8ff | 1636 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1637 | |
bogdanm | 0:9b334a45a8ff | 1638 | /* DMA Normal mode */ |
bogdanm | 0:9b334a45a8ff | 1639 | if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) ) |
bogdanm | 0:9b334a45a8ff | 1640 | { |
bogdanm | 0:9b334a45a8ff | 1641 | huart->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1642 | |
bogdanm | 0:9b334a45a8ff | 1643 | /* Disable the DMA transfer for transmit request by resetting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 1644 | in the UART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1645 | huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1646 | |
bogdanm | 0:9b334a45a8ff | 1647 | /* Enable the UART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1648 | __HAL_UART_ENABLE_IT(huart, UART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1649 | } |
bogdanm | 0:9b334a45a8ff | 1650 | /* DMA Circular mode */ |
bogdanm | 0:9b334a45a8ff | 1651 | else |
bogdanm | 0:9b334a45a8ff | 1652 | { |
bogdanm | 0:9b334a45a8ff | 1653 | HAL_UART_TxCpltCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1654 | } |
bogdanm | 0:9b334a45a8ff | 1655 | |
bogdanm | 0:9b334a45a8ff | 1656 | } |
bogdanm | 0:9b334a45a8ff | 1657 | |
bogdanm | 0:9b334a45a8ff | 1658 | /** |
bogdanm | 0:9b334a45a8ff | 1659 | * @brief DMA UART transmit process half complete callback. |
bogdanm | 0:9b334a45a8ff | 1660 | * @param hdma : DMA handle. |
bogdanm | 0:9b334a45a8ff | 1661 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1662 | */ |
bogdanm | 0:9b334a45a8ff | 1663 | static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1664 | { |
bogdanm | 0:9b334a45a8ff | 1665 | UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1666 | |
bogdanm | 0:9b334a45a8ff | 1667 | HAL_UART_TxHalfCpltCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1668 | } |
bogdanm | 0:9b334a45a8ff | 1669 | |
bogdanm | 0:9b334a45a8ff | 1670 | /** |
bogdanm | 0:9b334a45a8ff | 1671 | * @brief DMA UART receive process complete callback. |
bogdanm | 0:9b334a45a8ff | 1672 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 1673 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1674 | */ |
bogdanm | 0:9b334a45a8ff | 1675 | static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1676 | { |
bogdanm | 0:9b334a45a8ff | 1677 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1678 | |
bogdanm | 0:9b334a45a8ff | 1679 | /* DMA Normal mode */ |
bogdanm | 0:9b334a45a8ff | 1680 | if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) ) |
bogdanm | 0:9b334a45a8ff | 1681 | { |
bogdanm | 0:9b334a45a8ff | 1682 | huart->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1683 | |
bogdanm | 0:9b334a45a8ff | 1684 | /* Disable the DMA transfer for the receiver request by resetting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 1685 | in the UART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1686 | huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1687 | |
bogdanm | 0:9b334a45a8ff | 1688 | /* Check if a transmit Process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 1689 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1690 | { |
bogdanm | 0:9b334a45a8ff | 1691 | huart->State = HAL_UART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 1692 | } |
bogdanm | 0:9b334a45a8ff | 1693 | else |
bogdanm | 0:9b334a45a8ff | 1694 | { |
bogdanm | 0:9b334a45a8ff | 1695 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1696 | } |
bogdanm | 0:9b334a45a8ff | 1697 | } |
bogdanm | 0:9b334a45a8ff | 1698 | |
bogdanm | 0:9b334a45a8ff | 1699 | HAL_UART_RxCpltCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1700 | } |
bogdanm | 0:9b334a45a8ff | 1701 | |
bogdanm | 0:9b334a45a8ff | 1702 | /** |
bogdanm | 0:9b334a45a8ff | 1703 | * @brief DMA UART receive process half complete callback. |
bogdanm | 0:9b334a45a8ff | 1704 | * @param hdma : DMA handle. |
bogdanm | 0:9b334a45a8ff | 1705 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1706 | */ |
bogdanm | 0:9b334a45a8ff | 1707 | static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1708 | { |
bogdanm | 0:9b334a45a8ff | 1709 | UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1710 | |
bogdanm | 0:9b334a45a8ff | 1711 | HAL_UART_RxHalfCpltCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1712 | } |
bogdanm | 0:9b334a45a8ff | 1713 | |
bogdanm | 0:9b334a45a8ff | 1714 | /** |
bogdanm | 0:9b334a45a8ff | 1715 | * @brief DMA UART communication error callback. |
bogdanm | 0:9b334a45a8ff | 1716 | * @param hdma: DMA handle. |
bogdanm | 0:9b334a45a8ff | 1717 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1718 | */ |
bogdanm | 0:9b334a45a8ff | 1719 | static void UART_DMAError(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1720 | { |
bogdanm | 0:9b334a45a8ff | 1721 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1722 | huart->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1723 | huart->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1724 | huart->State= HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1725 | huart->ErrorCode |= HAL_UART_ERROR_DMA; |
bogdanm | 0:9b334a45a8ff | 1726 | HAL_UART_ErrorCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1727 | } |
bogdanm | 0:9b334a45a8ff | 1728 | |
bogdanm | 0:9b334a45a8ff | 1729 | /** |
bogdanm | 0:9b334a45a8ff | 1730 | * @brief Send an amount of data in interrupt mode. |
bogdanm | 0:9b334a45a8ff | 1731 | * @note Function is called under interruption only, once |
bogdanm | 0:9b334a45a8ff | 1732 | * interruptions have been enabled by HAL_UART_Transmit_IT(). |
bogdanm | 0:9b334a45a8ff | 1733 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1734 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1735 | */ |
bogdanm | 0:9b334a45a8ff | 1736 | HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1737 | { |
bogdanm | 0:9b334a45a8ff | 1738 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 1739 | |
bogdanm | 0:9b334a45a8ff | 1740 | if ((huart->State == HAL_UART_STATE_BUSY_TX) || (huart->State == HAL_UART_STATE_BUSY_TX_RX)) |
bogdanm | 0:9b334a45a8ff | 1741 | { |
bogdanm | 0:9b334a45a8ff | 1742 | |
bogdanm | 0:9b334a45a8ff | 1743 | if(huart->TxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1744 | { |
bogdanm | 0:9b334a45a8ff | 1745 | /* Disable the UART Transmit Data Register Empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1746 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1747 | |
bogdanm | 0:9b334a45a8ff | 1748 | /* Enable the UART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1749 | __HAL_UART_ENABLE_IT(huart, UART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1750 | |
bogdanm | 0:9b334a45a8ff | 1751 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1752 | } |
bogdanm | 0:9b334a45a8ff | 1753 | else |
bogdanm | 0:9b334a45a8ff | 1754 | { |
bogdanm | 0:9b334a45a8ff | 1755 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
bogdanm | 0:9b334a45a8ff | 1756 | { |
bogdanm | 0:9b334a45a8ff | 1757 | tmp = (uint16_t*) huart->pTxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1758 | huart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1759 | huart->pTxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1760 | } |
bogdanm | 0:9b334a45a8ff | 1761 | else |
bogdanm | 0:9b334a45a8ff | 1762 | { |
bogdanm | 0:9b334a45a8ff | 1763 | huart->Instance->TDR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0xFF); |
bogdanm | 0:9b334a45a8ff | 1764 | } |
bogdanm | 0:9b334a45a8ff | 1765 | |
bogdanm | 0:9b334a45a8ff | 1766 | huart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1767 | |
bogdanm | 0:9b334a45a8ff | 1768 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1769 | } |
bogdanm | 0:9b334a45a8ff | 1770 | } |
bogdanm | 0:9b334a45a8ff | 1771 | else |
bogdanm | 0:9b334a45a8ff | 1772 | { |
bogdanm | 0:9b334a45a8ff | 1773 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1774 | } |
bogdanm | 0:9b334a45a8ff | 1775 | } |
bogdanm | 0:9b334a45a8ff | 1776 | |
bogdanm | 0:9b334a45a8ff | 1777 | |
bogdanm | 0:9b334a45a8ff | 1778 | /** |
bogdanm | 0:9b334a45a8ff | 1779 | * @brief Wrap up transmission in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 1780 | * @param huart: pointer to a UART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1781 | * the configuration information for the specified UART module. |
bogdanm | 0:9b334a45a8ff | 1782 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1783 | */ |
bogdanm | 0:9b334a45a8ff | 1784 | HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1785 | { |
bogdanm | 0:9b334a45a8ff | 1786 | /* Disable the UART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1787 | __HAL_UART_DISABLE_IT(huart, UART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1788 | |
bogdanm | 0:9b334a45a8ff | 1789 | /* Check if a receive process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 1790 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1791 | { |
bogdanm | 0:9b334a45a8ff | 1792 | huart->State = HAL_UART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 1793 | } |
bogdanm | 0:9b334a45a8ff | 1794 | else |
bogdanm | 0:9b334a45a8ff | 1795 | { |
bogdanm | 0:9b334a45a8ff | 1796 | /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1797 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1798 | |
bogdanm | 0:9b334a45a8ff | 1799 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1800 | } |
bogdanm | 0:9b334a45a8ff | 1801 | |
bogdanm | 0:9b334a45a8ff | 1802 | HAL_UART_TxCpltCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1803 | |
bogdanm | 0:9b334a45a8ff | 1804 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1805 | } |
bogdanm | 0:9b334a45a8ff | 1806 | |
bogdanm | 0:9b334a45a8ff | 1807 | |
bogdanm | 0:9b334a45a8ff | 1808 | /** |
bogdanm | 0:9b334a45a8ff | 1809 | * @brief Receive an amount of data in interrupt mode. |
bogdanm | 0:9b334a45a8ff | 1810 | * @note Function is called under interruption only, once |
bogdanm | 0:9b334a45a8ff | 1811 | * interruptions have been enabled by HAL_UART_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 1812 | * @param huart: UART handle. |
bogdanm | 0:9b334a45a8ff | 1813 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1814 | */ |
bogdanm | 0:9b334a45a8ff | 1815 | HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 1816 | { |
bogdanm | 0:9b334a45a8ff | 1817 | uint16_t* tmp; |
bogdanm | 0:9b334a45a8ff | 1818 | uint16_t uhMask = huart->Mask; |
bogdanm | 0:9b334a45a8ff | 1819 | |
bogdanm | 0:9b334a45a8ff | 1820 | if((huart->State == HAL_UART_STATE_BUSY_RX) || (huart->State == HAL_UART_STATE_BUSY_TX_RX)) |
bogdanm | 0:9b334a45a8ff | 1821 | { |
bogdanm | 0:9b334a45a8ff | 1822 | |
bogdanm | 0:9b334a45a8ff | 1823 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
bogdanm | 0:9b334a45a8ff | 1824 | { |
bogdanm | 0:9b334a45a8ff | 1825 | tmp = (uint16_t*) huart->pRxBuffPtr ; |
bogdanm | 0:9b334a45a8ff | 1826 | *tmp = (uint16_t)(huart->Instance->RDR & uhMask); |
bogdanm | 0:9b334a45a8ff | 1827 | huart->pRxBuffPtr +=2; |
bogdanm | 0:9b334a45a8ff | 1828 | } |
bogdanm | 0:9b334a45a8ff | 1829 | else |
bogdanm | 0:9b334a45a8ff | 1830 | { |
bogdanm | 0:9b334a45a8ff | 1831 | *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->RDR & (uint8_t)uhMask); |
bogdanm | 0:9b334a45a8ff | 1832 | } |
bogdanm | 0:9b334a45a8ff | 1833 | |
bogdanm | 0:9b334a45a8ff | 1834 | if(--huart->RxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1835 | { |
bogdanm | 0:9b334a45a8ff | 1836 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1837 | |
bogdanm | 0:9b334a45a8ff | 1838 | /* Check if a transmit Process is ongoing or not */ |
bogdanm | 0:9b334a45a8ff | 1839 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1840 | { |
bogdanm | 0:9b334a45a8ff | 1841 | huart->State = HAL_UART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 1842 | } |
bogdanm | 0:9b334a45a8ff | 1843 | else |
bogdanm | 0:9b334a45a8ff | 1844 | { |
bogdanm | 0:9b334a45a8ff | 1845 | /* Disable the UART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1846 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1847 | |
bogdanm | 0:9b334a45a8ff | 1848 | /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1849 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1850 | |
bogdanm | 0:9b334a45a8ff | 1851 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1852 | } |
bogdanm | 0:9b334a45a8ff | 1853 | |
bogdanm | 0:9b334a45a8ff | 1854 | HAL_UART_RxCpltCallback(huart); |
bogdanm | 0:9b334a45a8ff | 1855 | |
bogdanm | 0:9b334a45a8ff | 1856 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1857 | } |
bogdanm | 0:9b334a45a8ff | 1858 | |
bogdanm | 0:9b334a45a8ff | 1859 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1860 | } |
bogdanm | 0:9b334a45a8ff | 1861 | else |
bogdanm | 0:9b334a45a8ff | 1862 | { |
bogdanm | 0:9b334a45a8ff | 1863 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1864 | } |
bogdanm | 0:9b334a45a8ff | 1865 | } |
bogdanm | 0:9b334a45a8ff | 1866 | |
bogdanm | 0:9b334a45a8ff | 1867 | /** |
bogdanm | 0:9b334a45a8ff | 1868 | * @} |
bogdanm | 0:9b334a45a8ff | 1869 | */ |
bogdanm | 0:9b334a45a8ff | 1870 | |
bogdanm | 0:9b334a45a8ff | 1871 | #endif /* HAL_UART_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 1872 | /** |
bogdanm | 0:9b334a45a8ff | 1873 | * @} |
bogdanm | 0:9b334a45a8ff | 1874 | */ |
bogdanm | 0:9b334a45a8ff | 1875 | |
bogdanm | 0:9b334a45a8ff | 1876 | /** |
bogdanm | 0:9b334a45a8ff | 1877 | * @} |
bogdanm | 0:9b334a45a8ff | 1878 | */ |
bogdanm | 0:9b334a45a8ff | 1879 | |
bogdanm | 0:9b334a45a8ff | 1880 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |