SHIO
Fork of mbed-stm32l0/l1-src by
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_uart.c@489:119543c9f674, 2015-03-12 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Mar 12 14:30:49 2015 +0000
- Revision:
- 489:119543c9f674
- Parent:
- 387:643a59b3dbac
Synchronized with git revision 051854181516992fb498d51f9ee6e70cbad9e083
Full URL: https://github.com/mbedmicro/mbed/commit/051854181516992fb498d51f9ee6e70cbad9e083/
Fix ksdk mcu HAL - stopbit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 376:cb4d9db17537 | 1 | /** |
mbed_official | 376:cb4d9db17537 | 2 | ****************************************************************************** |
mbed_official | 376:cb4d9db17537 | 3 | * @file stm32l0xx_hal_uart.c |
mbed_official | 376:cb4d9db17537 | 4 | * @author MCD Application Team |
mbed_official | 489:119543c9f674 | 5 | * @version V1.2.0 |
mbed_official | 489:119543c9f674 | 6 | * @date 06-February-2015 |
mbed_official | 376:cb4d9db17537 | 7 | * @brief UART HAL module driver. |
mbed_official | 376:cb4d9db17537 | 8 | * |
mbed_official | 376:cb4d9db17537 | 9 | * This file provides firmware functions to manage the following |
mbed_official | 376:cb4d9db17537 | 10 | * functionalities of the Universal Asynchronous Receiver Transmitter Peripheral (UART). |
mbed_official | 376:cb4d9db17537 | 11 | * + Initialization and de-initialization methods |
mbed_official | 376:cb4d9db17537 | 12 | * + IO operation methods |
mbed_official | 376:cb4d9db17537 | 13 | * + Peripheral Control methods |
mbed_official | 376:cb4d9db17537 | 14 | * |
mbed_official | 376:cb4d9db17537 | 15 | @verbatim |
mbed_official | 376:cb4d9db17537 | 16 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 17 | ##### How to use this driver ##### |
mbed_official | 376:cb4d9db17537 | 18 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 19 | [..] |
mbed_official | 376:cb4d9db17537 | 20 | The UART HAL driver can be used as follows: |
mbed_official | 376:cb4d9db17537 | 21 | |
mbed_official | 376:cb4d9db17537 | 22 | (#) Declare a UART_HandleTypeDef handle structure. |
mbed_official | 376:cb4d9db17537 | 23 | |
mbed_official | 376:cb4d9db17537 | 24 | (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit() API: |
mbed_official | 376:cb4d9db17537 | 25 | (##) Enable the USARTx interface clock. |
mbed_official | 376:cb4d9db17537 | 26 | (##) UART pins configuration: |
mbed_official | 376:cb4d9db17537 | 27 | (+++) Enable the clock for the UART GPIOs. |
mbed_official | 376:cb4d9db17537 | 28 | (+++) Configure these UART pins as alternate function pull-up. |
mbed_official | 376:cb4d9db17537 | 29 | (##) NVIC configuration if you need to use interrupt process (HAL_UART_Transmit_IT() |
mbed_official | 376:cb4d9db17537 | 30 | and HAL_UART_Receive_IT() APIs): |
mbed_official | 376:cb4d9db17537 | 31 | (+++) Configure the USARTx interrupt priority. |
mbed_official | 376:cb4d9db17537 | 32 | (+++) Enable the NVIC USART IRQ handle. |
mbed_official | 376:cb4d9db17537 | 33 | |
mbed_official | 376:cb4d9db17537 | 34 | (##) DMA Configuration if you need to use DMA process (HAL_UART_Transmit_DMA() |
mbed_official | 376:cb4d9db17537 | 35 | and HAL_UART_Receive_DMA() APIs): |
mbed_official | 376:cb4d9db17537 | 36 | (+++) Declare a DMA handle structure for the Tx/Rx stream. |
mbed_official | 376:cb4d9db17537 | 37 | (+++) Enable the DMAx interface clock. |
mbed_official | 376:cb4d9db17537 | 38 | (+++) Configure the declared DMA handle structure with the required |
mbed_official | 376:cb4d9db17537 | 39 | Tx/Rx parameters. |
mbed_official | 376:cb4d9db17537 | 40 | (+++) Configure the DMA Tx/Rx Stream. |
mbed_official | 376:cb4d9db17537 | 41 | (+++) Associate the initialized DMA handle to the UART DMA Tx/Rx handle. |
mbed_official | 376:cb4d9db17537 | 42 | (+++) Configure the priority and enable the NVIC for the transfer complete |
mbed_official | 376:cb4d9db17537 | 43 | interrupt on the DMA Tx/Rx Stream. |
mbed_official | 376:cb4d9db17537 | 44 | |
mbed_official | 376:cb4d9db17537 | 45 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
mbed_official | 376:cb4d9db17537 | 46 | flow control and Mode(Receiver/Transmitter) in the Init structure. |
mbed_official | 376:cb4d9db17537 | 47 | |
mbed_official | 376:cb4d9db17537 | 48 | (#) For the UART asynchronous mode, initialize the UART registers by calling |
mbed_official | 376:cb4d9db17537 | 49 | the HAL_UART_Init() API. |
mbed_official | 376:cb4d9db17537 | 50 | |
mbed_official | 376:cb4d9db17537 | 51 | (#) For the UART Half duplex mode, initialize the UART registers by calling |
mbed_official | 376:cb4d9db17537 | 52 | the HAL_HalfDuplex_Init() API. |
mbed_official | 376:cb4d9db17537 | 53 | |
mbed_official | 376:cb4d9db17537 | 54 | (#) For the LIN mode, initialize the UART registers by calling the HAL_LIN_Init() API. |
mbed_official | 376:cb4d9db17537 | 55 | |
mbed_official | 376:cb4d9db17537 | 56 | (#) For the Multi-Processor mode, initialize the UART registers by calling |
mbed_official | 376:cb4d9db17537 | 57 | the HAL_MultiProcessor_Init() API. |
mbed_official | 376:cb4d9db17537 | 58 | |
mbed_official | 376:cb4d9db17537 | 59 | [..] |
mbed_official | 376:cb4d9db17537 | 60 | (@) The specific UART interrupts (Transmission complete interrupt, |
mbed_official | 376:cb4d9db17537 | 61 | RXNE interrupt and Error Interrupts) will be managed using the macros |
mbed_official | 376:cb4d9db17537 | 62 | __HAL_UART_ENABLE_IT() and __HAL_UART_DISABLE_IT() inside the transmit |
mbed_official | 376:cb4d9db17537 | 63 | and receive process. |
mbed_official | 376:cb4d9db17537 | 64 | |
mbed_official | 376:cb4d9db17537 | 65 | [..] |
mbed_official | 376:cb4d9db17537 | 66 | (@) These APIs (HAL_UART_Init() and HAL_HalfDuplex_Init()) configure also the |
mbed_official | 376:cb4d9db17537 | 67 | low level Hardware GPIO, CLOCK, CORTEX...etc) by calling the customed |
mbed_official | 376:cb4d9db17537 | 68 | HAL_UART_MspInit() API. |
mbed_official | 376:cb4d9db17537 | 69 | |
mbed_official | 376:cb4d9db17537 | 70 | [..] |
mbed_official | 376:cb4d9db17537 | 71 | Three operation modes are available within this driver : |
mbed_official | 376:cb4d9db17537 | 72 | |
mbed_official | 376:cb4d9db17537 | 73 | *** Polling mode IO operation *** |
mbed_official | 376:cb4d9db17537 | 74 | ================================= |
mbed_official | 376:cb4d9db17537 | 75 | [..] |
mbed_official | 376:cb4d9db17537 | 76 | (+) Send an amount of data in blocking mode using HAL_UART_Transmit() |
mbed_official | 376:cb4d9db17537 | 77 | (+) Receive an amount of data in blocking mode using HAL_UART_Receive() |
mbed_official | 376:cb4d9db17537 | 78 | |
mbed_official | 489:119543c9f674 | 79 | |
mbed_official | 489:119543c9f674 | 80 | *** Interrupt mode IO operation *** |
mbed_official | 376:cb4d9db17537 | 81 | =================================== |
mbed_official | 376:cb4d9db17537 | 82 | [..] |
mbed_official | 376:cb4d9db17537 | 83 | (+) Send an amount of data in non blocking mode using HAL_UART_Transmit_IT() |
mbed_official | 376:cb4d9db17537 | 84 | (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can |
mbed_official | 376:cb4d9db17537 | 85 | add his own code by customization of function pointer HAL_UART_TxCpltCallback |
mbed_official | 376:cb4d9db17537 | 86 | (+) Receive an amount of data in non blocking mode using HAL_UART_Receive_IT() |
mbed_official | 376:cb4d9db17537 | 87 | (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can |
mbed_official | 376:cb4d9db17537 | 88 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
mbed_official | 376:cb4d9db17537 | 89 | (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can |
mbed_official | 376:cb4d9db17537 | 90 | add his own code by customization of function pointer HAL_UART_ErrorCallback |
mbed_official | 376:cb4d9db17537 | 91 | |
mbed_official | 376:cb4d9db17537 | 92 | *** DMA mode IO operation *** |
mbed_official | 376:cb4d9db17537 | 93 | ============================== |
mbed_official | 376:cb4d9db17537 | 94 | [..] |
mbed_official | 376:cb4d9db17537 | 95 | (+) Send an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_DMA() |
mbed_official | 376:cb4d9db17537 | 96 | (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can |
mbed_official | 376:cb4d9db17537 | 97 | add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback |
mbed_official | 376:cb4d9db17537 | 98 | (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can |
mbed_official | 376:cb4d9db17537 | 99 | add his own code by customization of function pointer HAL_UART_TxCpltCallback |
mbed_official | 376:cb4d9db17537 | 100 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_UART_Receive_DMA() |
mbed_official | 376:cb4d9db17537 | 101 | (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can |
mbed_official | 376:cb4d9db17537 | 102 | add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback |
mbed_official | 376:cb4d9db17537 | 103 | (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can |
mbed_official | 376:cb4d9db17537 | 104 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
mbed_official | 376:cb4d9db17537 | 105 | (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can |
mbed_official | 376:cb4d9db17537 | 106 | add his own code by customization of function pointer HAL_UART_ErrorCallback |
mbed_official | 376:cb4d9db17537 | 107 | (+) Pause the DMA Transfer using HAL_UART_DMAPause() |
mbed_official | 376:cb4d9db17537 | 108 | (+) Resume the DMA Transfer using HAL_UART_DMAResume() |
mbed_official | 376:cb4d9db17537 | 109 | (+) Stop the DMA Transfer using HAL_UART_DMAStop() |
mbed_official | 376:cb4d9db17537 | 110 | |
mbed_official | 376:cb4d9db17537 | 111 | *** UART HAL driver macros list *** |
mbed_official | 376:cb4d9db17537 | 112 | ============================================= |
mbed_official | 376:cb4d9db17537 | 113 | [..] |
mbed_official | 376:cb4d9db17537 | 114 | Below the list of most used macros in UART HAL driver. |
mbed_official | 376:cb4d9db17537 | 115 | |
mbed_official | 376:cb4d9db17537 | 116 | (+) __HAL_UART_ENABLE: Enable the UART peripheral |
mbed_official | 376:cb4d9db17537 | 117 | (+) __HAL_UART_DISABLE: Disable the UART peripheral |
mbed_official | 376:cb4d9db17537 | 118 | (+) __HAL_UART_GET_FLAG : Check whether the specified UART flag is set or not |
mbed_official | 376:cb4d9db17537 | 119 | (+) __HAL_UART_CLEAR_FLAG : Clear the specified UART pending flag |
mbed_official | 376:cb4d9db17537 | 120 | (+) __HAL_UART_ENABLE_IT: Enable the specified UART interrupt |
mbed_official | 376:cb4d9db17537 | 121 | (+) __HAL_UART_DISABLE_IT: Disable the specified UART interrupt |
mbed_official | 376:cb4d9db17537 | 122 | |
mbed_official | 376:cb4d9db17537 | 123 | [..] |
mbed_official | 376:cb4d9db17537 | 124 | (@) You can refer to the UART HAL driver header file for more useful macros |
mbed_official | 376:cb4d9db17537 | 125 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 126 | ****************************************************************************** |
mbed_official | 376:cb4d9db17537 | 127 | * @attention |
mbed_official | 376:cb4d9db17537 | 128 | * |
mbed_official | 489:119543c9f674 | 129 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 376:cb4d9db17537 | 130 | * |
mbed_official | 376:cb4d9db17537 | 131 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 376:cb4d9db17537 | 132 | * are permitted provided that the following conditions are met: |
mbed_official | 376:cb4d9db17537 | 133 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 376:cb4d9db17537 | 134 | * this list of conditions and the following disclaimer. |
mbed_official | 376:cb4d9db17537 | 135 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 376:cb4d9db17537 | 136 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 376:cb4d9db17537 | 137 | * and/or other materials provided with the distribution. |
mbed_official | 376:cb4d9db17537 | 138 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 376:cb4d9db17537 | 139 | * may be used to endorse or promote products derived from this software |
mbed_official | 376:cb4d9db17537 | 140 | * without specific prior written permission. |
mbed_official | 376:cb4d9db17537 | 141 | * |
mbed_official | 376:cb4d9db17537 | 142 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 376:cb4d9db17537 | 143 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 376:cb4d9db17537 | 144 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 376:cb4d9db17537 | 145 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 376:cb4d9db17537 | 146 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 376:cb4d9db17537 | 147 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 376:cb4d9db17537 | 148 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 376:cb4d9db17537 | 149 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 376:cb4d9db17537 | 150 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 376:cb4d9db17537 | 151 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 376:cb4d9db17537 | 152 | * |
mbed_official | 376:cb4d9db17537 | 153 | ****************************************************************************** |
mbed_official | 376:cb4d9db17537 | 154 | */ |
mbed_official | 376:cb4d9db17537 | 155 | |
mbed_official | 376:cb4d9db17537 | 156 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 157 | #include "stm32l0xx_hal.h" |
mbed_official | 376:cb4d9db17537 | 158 | |
mbed_official | 376:cb4d9db17537 | 159 | /** @addtogroup STM32L0xx_HAL_Driver |
mbed_official | 376:cb4d9db17537 | 160 | * @{ |
mbed_official | 376:cb4d9db17537 | 161 | */ |
mbed_official | 376:cb4d9db17537 | 162 | |
mbed_official | 489:119543c9f674 | 163 | /** @addtogroup UART |
mbed_official | 376:cb4d9db17537 | 164 | * @brief UART module driver |
mbed_official | 376:cb4d9db17537 | 165 | * @{ |
mbed_official | 376:cb4d9db17537 | 166 | */ |
mbed_official | 376:cb4d9db17537 | 167 | #ifdef HAL_UART_MODULE_ENABLED |
mbed_official | 376:cb4d9db17537 | 168 | |
mbed_official | 376:cb4d9db17537 | 169 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 170 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 171 | #define UART_TIMEOUT_VALUE ((uint32_t) 22000) |
mbed_official | 376:cb4d9db17537 | 172 | #define UART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ |
mbed_official | 376:cb4d9db17537 | 173 | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) |
mbed_official | 376:cb4d9db17537 | 174 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 175 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 176 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 177 | static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 178 | static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 179 | static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 180 | static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 181 | static void UART_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 376:cb4d9db17537 | 182 | static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart); |
mbed_official | 489:119543c9f674 | 183 | static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart); |
mbed_official | 376:cb4d9db17537 | 184 | static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart); |
mbed_official | 376:cb4d9db17537 | 185 | |
mbed_official | 489:119543c9f674 | 186 | |
mbed_official | 489:119543c9f674 | 187 | |
mbed_official | 376:cb4d9db17537 | 188 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 189 | |
mbed_official | 489:119543c9f674 | 190 | /** @addtogroup UART_Exported_Functions UART Exported Functions |
mbed_official | 376:cb4d9db17537 | 191 | * @{ |
mbed_official | 376:cb4d9db17537 | 192 | */ |
mbed_official | 376:cb4d9db17537 | 193 | |
mbed_official | 489:119543c9f674 | 194 | /** @addtogroup UART_Exported_Functions_Group1 |
mbed_official | 376:cb4d9db17537 | 195 | * @brief Initialization and Configuration functions |
mbed_official | 376:cb4d9db17537 | 196 | * |
mbed_official | 376:cb4d9db17537 | 197 | @verbatim |
mbed_official | 376:cb4d9db17537 | 198 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 199 | ##### Initialization and Configuration functions ##### |
mbed_official | 376:cb4d9db17537 | 200 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 201 | [..] |
mbed_official | 376:cb4d9db17537 | 202 | This subsection provides a set of functions allowing to initialize the USARTx or the UARTy |
mbed_official | 376:cb4d9db17537 | 203 | in asynchronous mode. |
mbed_official | 376:cb4d9db17537 | 204 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 376:cb4d9db17537 | 205 | (++) Baud Rate |
mbed_official | 376:cb4d9db17537 | 206 | (++) Word Length |
mbed_official | 376:cb4d9db17537 | 207 | (++) Stop Bit |
mbed_official | 376:cb4d9db17537 | 208 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 376:cb4d9db17537 | 209 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 376:cb4d9db17537 | 210 | Depending on the frame length defined by the M bit (8-bits or 9-bits), |
mbed_official | 376:cb4d9db17537 | 211 | the possible UART frame formats are as listed in the following table: |
mbed_official | 376:cb4d9db17537 | 212 | +-----------------------------------------------------------------------+ |
mbed_official | 376:cb4d9db17537 | 213 | | M1 bit | M0 bit | PCE bit | USART frame | |
mbed_official | 376:cb4d9db17537 | 214 | |---------|---------|-----------|---------------------------------------| |
mbed_official | 376:cb4d9db17537 | 215 | | 0 | 0 | 0 | | SB | 8 bit data | STB | | |
mbed_official | 376:cb4d9db17537 | 216 | |---------|---------|-----------|---------------------------------------| |
mbed_official | 376:cb4d9db17537 | 217 | | 0 | 0 | 1 | | SB | 7 bit data | PB | STB | | |
mbed_official | 376:cb4d9db17537 | 218 | |---------|---------|-----------|---------------------------------------| |
mbed_official | 376:cb4d9db17537 | 219 | | 0 | 1 | 0 | | SB | 9 bit data | STB | | |
mbed_official | 376:cb4d9db17537 | 220 | |---------|---------|-----------|---------------------------------------| |
mbed_official | 376:cb4d9db17537 | 221 | | 0 | 1 | 1 | | SB | 8 bit data | PB | STB | | |
mbed_official | 376:cb4d9db17537 | 222 | |---------|---------|-----------|---------------------------------------| |
mbed_official | 376:cb4d9db17537 | 223 | | 1 | 0 | 0 | | SB | 7 bit data | STB | | |
mbed_official | 376:cb4d9db17537 | 224 | |---------|---------|-----------|---------------------------------------| |
mbed_official | 376:cb4d9db17537 | 225 | | 1 | 0 | 1 | | SB | 6 bit data | PB | STB | | |
mbed_official | 376:cb4d9db17537 | 226 | +-----------------------------------------------------------------------+ |
mbed_official | 376:cb4d9db17537 | 227 | (++) Hardware flow control |
mbed_official | 376:cb4d9db17537 | 228 | (++) Receiver/transmitter modes |
mbed_official | 376:cb4d9db17537 | 229 | (++) Over Sampling Method |
mbed_official | 376:cb4d9db17537 | 230 | (++) One-Bit Sampling Method |
mbed_official | 376:cb4d9db17537 | 231 | (+) For the asynchronous mode, the following advanced features can be configured as well: |
mbed_official | 376:cb4d9db17537 | 232 | (++) TX and/or RX pin level inversion |
mbed_official | 376:cb4d9db17537 | 233 | (++) data logical level inversion |
mbed_official | 376:cb4d9db17537 | 234 | (++) RX and TX pins swap |
mbed_official | 376:cb4d9db17537 | 235 | (++) RX overrun detection disabling |
mbed_official | 376:cb4d9db17537 | 236 | (++) DMA disabling on RX error |
mbed_official | 376:cb4d9db17537 | 237 | (++) MSB first on communication line |
mbed_official | 376:cb4d9db17537 | 238 | (++) auto Baud rate detection |
mbed_official | 376:cb4d9db17537 | 239 | [..] |
mbed_official | 376:cb4d9db17537 | 240 | The HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_LIN_Init()and HAL_MultiProcessorEx_Init()API |
mbed_official | 376:cb4d9db17537 | 241 | follow respectively the UART asynchronous, UART Half duplex, UART LIN mode |
mbed_official | 376:cb4d9db17537 | 242 | and UART multiprocessor mode mode configuration procedures (details for the procedures |
mbed_official | 376:cb4d9db17537 | 243 | are available in reference manual). |
mbed_official | 376:cb4d9db17537 | 244 | |
mbed_official | 376:cb4d9db17537 | 245 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 246 | * @{ |
mbed_official | 376:cb4d9db17537 | 247 | */ |
mbed_official | 376:cb4d9db17537 | 248 | |
mbed_official | 376:cb4d9db17537 | 249 | /** |
mbed_official | 376:cb4d9db17537 | 250 | * @brief Initializes the UART mode according to the specified |
mbed_official | 376:cb4d9db17537 | 251 | * parameters in the UART_InitTypeDef and creates the associated handle . |
mbed_official | 376:cb4d9db17537 | 252 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 253 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 254 | */ |
mbed_official | 376:cb4d9db17537 | 255 | HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 256 | { |
mbed_official | 376:cb4d9db17537 | 257 | /* Check the UART handle allocation */ |
mbed_official | 489:119543c9f674 | 258 | if(huart == NULL) |
mbed_official | 376:cb4d9db17537 | 259 | { |
mbed_official | 376:cb4d9db17537 | 260 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 261 | } |
mbed_official | 376:cb4d9db17537 | 262 | |
mbed_official | 376:cb4d9db17537 | 263 | if(huart->Init.HwFlowCtl != UART_HWCONTROL_NONE) |
mbed_official | 376:cb4d9db17537 | 264 | { |
mbed_official | 376:cb4d9db17537 | 265 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 266 | assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance)); |
mbed_official | 376:cb4d9db17537 | 267 | } |
mbed_official | 376:cb4d9db17537 | 268 | else |
mbed_official | 376:cb4d9db17537 | 269 | { |
mbed_official | 376:cb4d9db17537 | 270 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 271 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
mbed_official | 376:cb4d9db17537 | 272 | } |
mbed_official | 376:cb4d9db17537 | 273 | |
mbed_official | 376:cb4d9db17537 | 274 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 376:cb4d9db17537 | 275 | { |
mbed_official | 376:cb4d9db17537 | 276 | /* Init the low level hardware : GPIO, CLOCK, CORTEX */ |
mbed_official | 376:cb4d9db17537 | 277 | HAL_UART_MspInit(huart); |
mbed_official | 376:cb4d9db17537 | 278 | } |
mbed_official | 376:cb4d9db17537 | 279 | |
mbed_official | 376:cb4d9db17537 | 280 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 281 | |
mbed_official | 376:cb4d9db17537 | 282 | /* Disable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 283 | __HAL_UART_DISABLE(huart); |
mbed_official | 376:cb4d9db17537 | 284 | |
mbed_official | 376:cb4d9db17537 | 285 | /* Set the UART Communication parameters */ |
mbed_official | 376:cb4d9db17537 | 286 | UART_SetConfig(huart); |
mbed_official | 376:cb4d9db17537 | 287 | |
mbed_official | 376:cb4d9db17537 | 288 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 376:cb4d9db17537 | 289 | { |
mbed_official | 376:cb4d9db17537 | 290 | UART_AdvFeatureConfig(huart); |
mbed_official | 376:cb4d9db17537 | 291 | } |
mbed_official | 376:cb4d9db17537 | 292 | |
mbed_official | 376:cb4d9db17537 | 293 | /* In asynchronous mode, the following bits must be kept cleared: |
mbed_official | 376:cb4d9db17537 | 294 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 376:cb4d9db17537 | 295 | - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/ |
mbed_official | 376:cb4d9db17537 | 296 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
mbed_official | 376:cb4d9db17537 | 297 | huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 376:cb4d9db17537 | 298 | |
mbed_official | 376:cb4d9db17537 | 299 | /* Enable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 300 | __HAL_UART_ENABLE(huart); |
mbed_official | 376:cb4d9db17537 | 301 | |
mbed_official | 376:cb4d9db17537 | 302 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 376:cb4d9db17537 | 303 | return (UART_CheckIdleState(huart)); |
mbed_official | 376:cb4d9db17537 | 304 | } |
mbed_official | 376:cb4d9db17537 | 305 | |
mbed_official | 376:cb4d9db17537 | 306 | /** |
mbed_official | 376:cb4d9db17537 | 307 | * @brief Initializes the half-duplex mode according to the specified |
mbed_official | 376:cb4d9db17537 | 308 | * parameters in the UART_InitTypeDef and creates the associated handle . |
mbed_official | 376:cb4d9db17537 | 309 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 310 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 311 | */ |
mbed_official | 376:cb4d9db17537 | 312 | HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 313 | { |
mbed_official | 376:cb4d9db17537 | 314 | /* Check the UART handle allocation */ |
mbed_official | 489:119543c9f674 | 315 | if(huart == NULL) |
mbed_official | 376:cb4d9db17537 | 316 | { |
mbed_official | 376:cb4d9db17537 | 317 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 318 | } |
mbed_official | 376:cb4d9db17537 | 319 | |
mbed_official | 489:119543c9f674 | 320 | /* Check UART instance */ |
mbed_official | 489:119543c9f674 | 321 | assert_param(IS_UART_HALFDUPLEX_INSTANCE(huart->Instance)); |
mbed_official | 489:119543c9f674 | 322 | |
mbed_official | 489:119543c9f674 | 323 | |
mbed_official | 376:cb4d9db17537 | 324 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 376:cb4d9db17537 | 325 | { |
mbed_official | 376:cb4d9db17537 | 326 | /* Init the low level hardware : GPIO, CLOCK, CORTEX */ |
mbed_official | 376:cb4d9db17537 | 327 | HAL_UART_MspInit(huart); |
mbed_official | 376:cb4d9db17537 | 328 | } |
mbed_official | 376:cb4d9db17537 | 329 | |
mbed_official | 376:cb4d9db17537 | 330 | /* Disable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 331 | __HAL_UART_DISABLE(huart); |
mbed_official | 376:cb4d9db17537 | 332 | |
mbed_official | 376:cb4d9db17537 | 333 | /* Set the UART Communication parameters */ |
mbed_official | 376:cb4d9db17537 | 334 | UART_SetConfig(huart); |
mbed_official | 376:cb4d9db17537 | 335 | |
mbed_official | 376:cb4d9db17537 | 336 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 376:cb4d9db17537 | 337 | { |
mbed_official | 376:cb4d9db17537 | 338 | UART_AdvFeatureConfig(huart); |
mbed_official | 376:cb4d9db17537 | 339 | } |
mbed_official | 376:cb4d9db17537 | 340 | |
mbed_official | 376:cb4d9db17537 | 341 | /* In half-duplex mode, the following bits must be kept cleared: |
mbed_official | 376:cb4d9db17537 | 342 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 376:cb4d9db17537 | 343 | - SCEN and IREN bits in the USART_CR3 register.*/ |
mbed_official | 376:cb4d9db17537 | 344 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
mbed_official | 376:cb4d9db17537 | 345 | huart->Instance->CR3 &= ~(USART_CR3_IREN | USART_CR3_SCEN); |
mbed_official | 376:cb4d9db17537 | 346 | |
mbed_official | 376:cb4d9db17537 | 347 | /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */ |
mbed_official | 376:cb4d9db17537 | 348 | huart->Instance->CR3 |= USART_CR3_HDSEL; |
mbed_official | 376:cb4d9db17537 | 349 | |
mbed_official | 376:cb4d9db17537 | 350 | /* Enable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 351 | __HAL_UART_ENABLE(huart); |
mbed_official | 376:cb4d9db17537 | 352 | |
mbed_official | 376:cb4d9db17537 | 353 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 376:cb4d9db17537 | 354 | return (UART_CheckIdleState(huart)); |
mbed_official | 376:cb4d9db17537 | 355 | } |
mbed_official | 376:cb4d9db17537 | 356 | |
mbed_official | 376:cb4d9db17537 | 357 | /** |
mbed_official | 376:cb4d9db17537 | 358 | * @brief Initializes the LIN mode according to the specified |
mbed_official | 376:cb4d9db17537 | 359 | * parameters in the UART_InitTypeDef and creates the associated handle . |
mbed_official | 376:cb4d9db17537 | 360 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 361 | * @param BreakDetectLength: specifies the LIN break detection length. |
mbed_official | 376:cb4d9db17537 | 362 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 363 | * @arg UART_LINBREAKDETECTLENGTH_10B: 10-bit break detection |
mbed_official | 376:cb4d9db17537 | 364 | * @arg UART_LINBREAKDETECTLENGTH_11B: 11-bit break detection |
mbed_official | 376:cb4d9db17537 | 365 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 366 | */ |
mbed_official | 376:cb4d9db17537 | 367 | HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength) |
mbed_official | 376:cb4d9db17537 | 368 | { |
mbed_official | 376:cb4d9db17537 | 369 | /* Check the UART handle allocation */ |
mbed_official | 489:119543c9f674 | 370 | if(huart == NULL) |
mbed_official | 376:cb4d9db17537 | 371 | { |
mbed_official | 376:cb4d9db17537 | 372 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 373 | } |
mbed_official | 489:119543c9f674 | 374 | /* Check the LIN UART instance */ |
mbed_official | 489:119543c9f674 | 375 | assert_param(IS_UART_LIN_INSTANCE(huart->Instance)); |
mbed_official | 489:119543c9f674 | 376 | |
mbed_official | 376:cb4d9db17537 | 377 | /* Check the Break detection length parameter */ |
mbed_official | 376:cb4d9db17537 | 378 | assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength)); |
mbed_official | 376:cb4d9db17537 | 379 | |
mbed_official | 376:cb4d9db17537 | 380 | /* LIN mode limited to 16-bit oversampling only */ |
mbed_official | 376:cb4d9db17537 | 381 | if(huart->Init.OverSampling == UART_OVERSAMPLING_8) |
mbed_official | 376:cb4d9db17537 | 382 | { |
mbed_official | 376:cb4d9db17537 | 383 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 384 | } |
mbed_official | 376:cb4d9db17537 | 385 | |
mbed_official | 489:119543c9f674 | 386 | /* in LIN mode limited, data length limited to 8-bit only */ |
mbed_official | 489:119543c9f674 | 387 | if(huart->Init.WordLength!= UART_WORDLENGTH_8B) |
mbed_official | 489:119543c9f674 | 388 | { |
mbed_official | 489:119543c9f674 | 389 | return HAL_ERROR; |
mbed_official | 489:119543c9f674 | 390 | } |
mbed_official | 489:119543c9f674 | 391 | |
mbed_official | 376:cb4d9db17537 | 392 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 376:cb4d9db17537 | 393 | { |
mbed_official | 376:cb4d9db17537 | 394 | /* Init the low level hardware : GPIO, CLOCK, CORTEX */ |
mbed_official | 376:cb4d9db17537 | 395 | HAL_UART_MspInit(huart); |
mbed_official | 376:cb4d9db17537 | 396 | } |
mbed_official | 376:cb4d9db17537 | 397 | |
mbed_official | 376:cb4d9db17537 | 398 | /* Disable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 399 | __HAL_UART_DISABLE(huart); |
mbed_official | 376:cb4d9db17537 | 400 | |
mbed_official | 376:cb4d9db17537 | 401 | /* Set the UART Communication parameters */ |
mbed_official | 376:cb4d9db17537 | 402 | UART_SetConfig(huart); |
mbed_official | 376:cb4d9db17537 | 403 | |
mbed_official | 376:cb4d9db17537 | 404 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 376:cb4d9db17537 | 405 | { |
mbed_official | 376:cb4d9db17537 | 406 | UART_AdvFeatureConfig(huart); |
mbed_official | 376:cb4d9db17537 | 407 | } |
mbed_official | 376:cb4d9db17537 | 408 | |
mbed_official | 376:cb4d9db17537 | 409 | /* In LIN mode, the following bits must be kept cleared: |
mbed_official | 376:cb4d9db17537 | 410 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 376:cb4d9db17537 | 411 | - SCEN and IREN bits in the USART_CR3 register.*/ |
mbed_official | 376:cb4d9db17537 | 412 | huart->Instance->CR2 &= ~(USART_CR2_CLKEN); |
mbed_official | 376:cb4d9db17537 | 413 | huart->Instance->CR3 &= ~(USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN); |
mbed_official | 376:cb4d9db17537 | 414 | |
mbed_official | 376:cb4d9db17537 | 415 | /* Enable the LIN mode by setting the LINEN bit in the CR2 register */ |
mbed_official | 376:cb4d9db17537 | 416 | huart->Instance->CR2 |= USART_CR2_LINEN; |
mbed_official | 376:cb4d9db17537 | 417 | |
mbed_official | 376:cb4d9db17537 | 418 | /* Set the USART LIN Break detection length. */ |
mbed_official | 376:cb4d9db17537 | 419 | MODIFY_REG(huart->Instance->CR2, USART_CR2_LBDL, BreakDetectLength); |
mbed_official | 376:cb4d9db17537 | 420 | |
mbed_official | 376:cb4d9db17537 | 421 | /* Enable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 422 | __HAL_UART_ENABLE(huart); |
mbed_official | 376:cb4d9db17537 | 423 | |
mbed_official | 376:cb4d9db17537 | 424 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 376:cb4d9db17537 | 425 | return (UART_CheckIdleState(huart)); |
mbed_official | 376:cb4d9db17537 | 426 | } |
mbed_official | 376:cb4d9db17537 | 427 | |
mbed_official | 376:cb4d9db17537 | 428 | /** |
mbed_official | 376:cb4d9db17537 | 429 | * @brief Initializes the multiprocessor mode according to the specified |
mbed_official | 376:cb4d9db17537 | 430 | * parameters in the UART_InitTypeDef and creates the associated handle. |
mbed_official | 376:cb4d9db17537 | 431 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 432 | * @param Address: UART node address (4-, 6-, 7- or 8-bit long) |
mbed_official | 376:cb4d9db17537 | 433 | * @param WakeUpMethod: specifies the UART wakeup method. |
mbed_official | 376:cb4d9db17537 | 434 | * This parameter can be one of the following values: |
mbed_official | 376:cb4d9db17537 | 435 | * @arg UART_WAKEUPMETHOD_IDLELINE: WakeUp by an idle line detection |
mbed_official | 376:cb4d9db17537 | 436 | * @arg UART_WAKEUPMETHOD_ADDRESSMARK: WakeUp by an address mark |
mbed_official | 376:cb4d9db17537 | 437 | * @note If the user resorts to idle line detection wake up, the Address parameter |
mbed_official | 376:cb4d9db17537 | 438 | * is useless and ignored by the initialization function. |
mbed_official | 376:cb4d9db17537 | 439 | * @note If the user resorts to address mark wake up, the address length detection |
mbed_official | 376:cb4d9db17537 | 440 | * is configured by default to 4 bits only. For the UART to be able to |
mbed_official | 376:cb4d9db17537 | 441 | * manage 6-, 7- or 8-bit long addresses detection, the API |
mbed_official | 376:cb4d9db17537 | 442 | * HAL_MultiProcessorEx_AddressLength_Set() must be called after |
mbed_official | 376:cb4d9db17537 | 443 | * HAL_MultiProcessor_Init(). |
mbed_official | 376:cb4d9db17537 | 444 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 445 | */ |
mbed_official | 376:cb4d9db17537 | 446 | HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod) |
mbed_official | 376:cb4d9db17537 | 447 | { |
mbed_official | 376:cb4d9db17537 | 448 | /* Check the UART handle allocation */ |
mbed_official | 489:119543c9f674 | 449 | if(huart == NULL) |
mbed_official | 376:cb4d9db17537 | 450 | { |
mbed_official | 376:cb4d9db17537 | 451 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 452 | } |
mbed_official | 376:cb4d9db17537 | 453 | |
mbed_official | 376:cb4d9db17537 | 454 | /* Check the wake up method parameter */ |
mbed_official | 376:cb4d9db17537 | 455 | assert_param(IS_UART_WAKEUPMETHOD(WakeUpMethod)); |
mbed_official | 376:cb4d9db17537 | 456 | |
mbed_official | 376:cb4d9db17537 | 457 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 376:cb4d9db17537 | 458 | { |
mbed_official | 376:cb4d9db17537 | 459 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 376:cb4d9db17537 | 460 | HAL_UART_MspInit(huart); |
mbed_official | 376:cb4d9db17537 | 461 | } |
mbed_official | 376:cb4d9db17537 | 462 | |
mbed_official | 376:cb4d9db17537 | 463 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 464 | |
mbed_official | 376:cb4d9db17537 | 465 | /* Disable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 466 | __HAL_UART_DISABLE(huart); |
mbed_official | 376:cb4d9db17537 | 467 | |
mbed_official | 376:cb4d9db17537 | 468 | /* Set the UART Communication parameters */ |
mbed_official | 376:cb4d9db17537 | 469 | UART_SetConfig(huart); |
mbed_official | 376:cb4d9db17537 | 470 | |
mbed_official | 376:cb4d9db17537 | 471 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 376:cb4d9db17537 | 472 | { |
mbed_official | 376:cb4d9db17537 | 473 | UART_AdvFeatureConfig(huart); |
mbed_official | 376:cb4d9db17537 | 474 | } |
mbed_official | 376:cb4d9db17537 | 475 | |
mbed_official | 376:cb4d9db17537 | 476 | /* In multiprocessor mode, the following bits must be kept cleared: |
mbed_official | 376:cb4d9db17537 | 477 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 376:cb4d9db17537 | 478 | - SCEN, HDSEL and IREN bits in the USART_CR3 register. */ |
mbed_official | 376:cb4d9db17537 | 479 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
mbed_official | 376:cb4d9db17537 | 480 | huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 376:cb4d9db17537 | 481 | |
mbed_official | 376:cb4d9db17537 | 482 | if (WakeUpMethod == UART_WAKEUPMETHOD_ADDRESSMARK) |
mbed_official | 376:cb4d9db17537 | 483 | { |
mbed_official | 376:cb4d9db17537 | 484 | /* If address mark wake up method is chosen, set the USART address node */ |
mbed_official | 376:cb4d9db17537 | 485 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADD, ((uint32_t)Address << UART_CR2_ADDRESS_LSB_POS)); |
mbed_official | 376:cb4d9db17537 | 486 | } |
mbed_official | 376:cb4d9db17537 | 487 | |
mbed_official | 376:cb4d9db17537 | 488 | /* Set the wake up method by setting the WAKE bit in the CR1 register */ |
mbed_official | 376:cb4d9db17537 | 489 | MODIFY_REG(huart->Instance->CR1, USART_CR1_WAKE, WakeUpMethod); |
mbed_official | 376:cb4d9db17537 | 490 | |
mbed_official | 376:cb4d9db17537 | 491 | /* Enable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 492 | __HAL_UART_ENABLE(huart); |
mbed_official | 376:cb4d9db17537 | 493 | |
mbed_official | 376:cb4d9db17537 | 494 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 376:cb4d9db17537 | 495 | return (UART_CheckIdleState(huart)); |
mbed_official | 376:cb4d9db17537 | 496 | } |
mbed_official | 376:cb4d9db17537 | 497 | |
mbed_official | 376:cb4d9db17537 | 498 | /** |
mbed_official | 376:cb4d9db17537 | 499 | * @brief DeInitializes the UART peripheral |
mbed_official | 376:cb4d9db17537 | 500 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 501 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 502 | */ |
mbed_official | 376:cb4d9db17537 | 503 | HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 504 | { |
mbed_official | 376:cb4d9db17537 | 505 | /* Check the UART handle allocation */ |
mbed_official | 489:119543c9f674 | 506 | if(huart == NULL) |
mbed_official | 376:cb4d9db17537 | 507 | { |
mbed_official | 376:cb4d9db17537 | 508 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 509 | } |
mbed_official | 376:cb4d9db17537 | 510 | |
mbed_official | 376:cb4d9db17537 | 511 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 512 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
mbed_official | 376:cb4d9db17537 | 513 | |
mbed_official | 376:cb4d9db17537 | 514 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 515 | |
mbed_official | 376:cb4d9db17537 | 516 | /* Disable the Peripheral */ |
mbed_official | 376:cb4d9db17537 | 517 | __HAL_UART_DISABLE(huart); |
mbed_official | 376:cb4d9db17537 | 518 | |
mbed_official | 376:cb4d9db17537 | 519 | huart->Instance->CR1 = 0x0; |
mbed_official | 376:cb4d9db17537 | 520 | huart->Instance->CR2 = 0x0; |
mbed_official | 376:cb4d9db17537 | 521 | huart->Instance->CR3 = 0x0; |
mbed_official | 376:cb4d9db17537 | 522 | |
mbed_official | 376:cb4d9db17537 | 523 | /* DeInit the low level hardware */ |
mbed_official | 376:cb4d9db17537 | 524 | HAL_UART_MspDeInit(huart); |
mbed_official | 376:cb4d9db17537 | 525 | |
mbed_official | 376:cb4d9db17537 | 526 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 527 | huart->State = HAL_UART_STATE_RESET; |
mbed_official | 376:cb4d9db17537 | 528 | |
mbed_official | 376:cb4d9db17537 | 529 | /* Release Lock */ |
mbed_official | 376:cb4d9db17537 | 530 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 531 | |
mbed_official | 376:cb4d9db17537 | 532 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 533 | } |
mbed_official | 376:cb4d9db17537 | 534 | |
mbed_official | 376:cb4d9db17537 | 535 | /** |
mbed_official | 376:cb4d9db17537 | 536 | * @brief UART MSP Init |
mbed_official | 376:cb4d9db17537 | 537 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 538 | * @retval None |
mbed_official | 376:cb4d9db17537 | 539 | */ |
mbed_official | 376:cb4d9db17537 | 540 | __weak void HAL_UART_MspInit(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 541 | { |
mbed_official | 376:cb4d9db17537 | 542 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 543 | the HAL_UART_MspInit can be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 544 | */ |
mbed_official | 376:cb4d9db17537 | 545 | } |
mbed_official | 376:cb4d9db17537 | 546 | |
mbed_official | 376:cb4d9db17537 | 547 | /** |
mbed_official | 376:cb4d9db17537 | 548 | * @brief UART MSP DeInit |
mbed_official | 376:cb4d9db17537 | 549 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 550 | * @retval None |
mbed_official | 376:cb4d9db17537 | 551 | */ |
mbed_official | 376:cb4d9db17537 | 552 | __weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 553 | { |
mbed_official | 376:cb4d9db17537 | 554 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 555 | the HAL_UART_MspDeInit can be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 556 | */ |
mbed_official | 376:cb4d9db17537 | 557 | } |
mbed_official | 376:cb4d9db17537 | 558 | |
mbed_official | 376:cb4d9db17537 | 559 | /** |
mbed_official | 376:cb4d9db17537 | 560 | * @} |
mbed_official | 376:cb4d9db17537 | 561 | */ |
mbed_official | 376:cb4d9db17537 | 562 | |
mbed_official | 489:119543c9f674 | 563 | /** @addtogroup UART_Exported_Functions_Group2 |
mbed_official | 376:cb4d9db17537 | 564 | * @brief UART Transmit/Receive functions |
mbed_official | 376:cb4d9db17537 | 565 | * |
mbed_official | 376:cb4d9db17537 | 566 | @verbatim |
mbed_official | 376:cb4d9db17537 | 567 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 568 | ##### IO operation functions ##### |
mbed_official | 376:cb4d9db17537 | 569 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 570 | This subsection provides a set of functions allowing to manage the UART asynchronous |
mbed_official | 376:cb4d9db17537 | 571 | and Half duplex data transfers. |
mbed_official | 376:cb4d9db17537 | 572 | |
mbed_official | 376:cb4d9db17537 | 573 | (#) There are two mode of transfer: |
mbed_official | 376:cb4d9db17537 | 574 | (+) Blocking mode: The communication is performed in polling mode. |
mbed_official | 376:cb4d9db17537 | 575 | The HAL status of all data processing is returned by the same function |
mbed_official | 376:cb4d9db17537 | 576 | after finishing transfer. |
mbed_official | 376:cb4d9db17537 | 577 | (+) No-Blocking mode: The communication is performed using Interrupts |
mbed_official | 376:cb4d9db17537 | 578 | or DMA, These API's return the HAL status. |
mbed_official | 376:cb4d9db17537 | 579 | The end of the data processing will be indicated through the |
mbed_official | 376:cb4d9db17537 | 580 | dedicated UART IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 376:cb4d9db17537 | 581 | using DMA mode. |
mbed_official | 376:cb4d9db17537 | 582 | The HAL_UART_TxCpltCallback(), HAL_UART_RxCpltCallback() user callbacks |
mbed_official | 376:cb4d9db17537 | 583 | will be executed respectivelly at the end of the transmit or Receive process |
mbed_official | 376:cb4d9db17537 | 584 | The HAL_UART_ErrorCallback()user callback will be executed when a communication error is detected |
mbed_official | 376:cb4d9db17537 | 585 | |
mbed_official | 376:cb4d9db17537 | 586 | (#) Blocking mode API's are : |
mbed_official | 376:cb4d9db17537 | 587 | (+) HAL_UART_Transmit() |
mbed_official | 376:cb4d9db17537 | 588 | (+) HAL_UART_Receive() |
mbed_official | 376:cb4d9db17537 | 589 | |
mbed_official | 376:cb4d9db17537 | 590 | (#) Non-Blocking mode API's with Interrupt are : |
mbed_official | 376:cb4d9db17537 | 591 | (+) HAL_UART_Transmit_IT() |
mbed_official | 376:cb4d9db17537 | 592 | (+) HAL_UART_Receive_IT() |
mbed_official | 376:cb4d9db17537 | 593 | (+) HAL_UART_IRQHandler() |
mbed_official | 376:cb4d9db17537 | 594 | (+) UART_Transmit_IT() |
mbed_official | 376:cb4d9db17537 | 595 | (+) UART_Receive_IT() |
mbed_official | 376:cb4d9db17537 | 596 | |
mbed_official | 376:cb4d9db17537 | 597 | (#) No-Blocking mode API's with DMA are : |
mbed_official | 376:cb4d9db17537 | 598 | (+) HAL_UART_Transmit_DMA() |
mbed_official | 376:cb4d9db17537 | 599 | (+) HAL_UART_Receive_DMA() |
mbed_official | 376:cb4d9db17537 | 600 | (+) HAL_UART_DMAPause() |
mbed_official | 376:cb4d9db17537 | 601 | (+) HAL_UART_DMAResume() |
mbed_official | 376:cb4d9db17537 | 602 | (+) HAL_UART_DMAStop() |
mbed_official | 376:cb4d9db17537 | 603 | |
mbed_official | 376:cb4d9db17537 | 604 | (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: |
mbed_official | 376:cb4d9db17537 | 605 | (+) HAL_UART_TxHalfCpltCallback() |
mbed_official | 376:cb4d9db17537 | 606 | (+) HAL_UART_TxCpltCallback() |
mbed_official | 376:cb4d9db17537 | 607 | (+) HAL_UART_RxHalfCpltCallback() |
mbed_official | 376:cb4d9db17537 | 608 | (+) HAL_UART_RxCpltCallback() |
mbed_official | 376:cb4d9db17537 | 609 | (+) HAL_UART_ErrorCallback() |
mbed_official | 376:cb4d9db17537 | 610 | |
mbed_official | 376:cb4d9db17537 | 611 | -@- In the Half duplex communication, it is forbidden to run the transmit |
mbed_official | 376:cb4d9db17537 | 612 | and receive process in parallel, the UART state HAL_UART_STATE_BUSY_TX_RX can't be useful. |
mbed_official | 376:cb4d9db17537 | 613 | |
mbed_official | 376:cb4d9db17537 | 614 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 615 | * @{ |
mbed_official | 376:cb4d9db17537 | 616 | */ |
mbed_official | 376:cb4d9db17537 | 617 | |
mbed_official | 376:cb4d9db17537 | 618 | /** |
mbed_official | 376:cb4d9db17537 | 619 | * @brief Send an amount of data in blocking mode |
mbed_official | 376:cb4d9db17537 | 620 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 621 | * @param pData: pointer to data buffer |
mbed_official | 376:cb4d9db17537 | 622 | * @param Size: amount of data to be sent |
mbed_official | 376:cb4d9db17537 | 623 | * @param Timeout : Timeout duration |
mbed_official | 376:cb4d9db17537 | 624 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 625 | */ |
mbed_official | 376:cb4d9db17537 | 626 | HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 376:cb4d9db17537 | 627 | { |
mbed_official | 376:cb4d9db17537 | 628 | uint16_t* tmp; |
mbed_official | 376:cb4d9db17537 | 629 | |
mbed_official | 376:cb4d9db17537 | 630 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
mbed_official | 376:cb4d9db17537 | 631 | { |
mbed_official | 489:119543c9f674 | 632 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 376:cb4d9db17537 | 633 | { |
mbed_official | 376:cb4d9db17537 | 634 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 635 | } |
mbed_official | 376:cb4d9db17537 | 636 | |
mbed_official | 376:cb4d9db17537 | 637 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 638 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 639 | |
mbed_official | 376:cb4d9db17537 | 640 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 641 | /* Check if a non-blocking receive process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 642 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 376:cb4d9db17537 | 643 | { |
mbed_official | 376:cb4d9db17537 | 644 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 376:cb4d9db17537 | 645 | } |
mbed_official | 376:cb4d9db17537 | 646 | else |
mbed_official | 376:cb4d9db17537 | 647 | { |
mbed_official | 376:cb4d9db17537 | 648 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 376:cb4d9db17537 | 649 | } |
mbed_official | 376:cb4d9db17537 | 650 | |
mbed_official | 376:cb4d9db17537 | 651 | huart->TxXferSize = Size; |
mbed_official | 376:cb4d9db17537 | 652 | huart->TxXferCount = Size; |
mbed_official | 376:cb4d9db17537 | 653 | while(huart->TxXferCount > 0) |
mbed_official | 376:cb4d9db17537 | 654 | { |
mbed_official | 376:cb4d9db17537 | 655 | huart->TxXferCount--; |
mbed_official | 376:cb4d9db17537 | 656 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 376:cb4d9db17537 | 657 | { |
mbed_official | 376:cb4d9db17537 | 658 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 659 | } |
mbed_official | 376:cb4d9db17537 | 660 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 376:cb4d9db17537 | 661 | { |
mbed_official | 376:cb4d9db17537 | 662 | tmp = (uint16_t*) pData; |
mbed_official | 376:cb4d9db17537 | 663 | huart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 376:cb4d9db17537 | 664 | pData += 2; |
mbed_official | 376:cb4d9db17537 | 665 | } |
mbed_official | 376:cb4d9db17537 | 666 | else |
mbed_official | 376:cb4d9db17537 | 667 | { |
mbed_official | 376:cb4d9db17537 | 668 | huart->Instance->TDR = (*pData++ & (uint8_t)0xFF); |
mbed_official | 376:cb4d9db17537 | 669 | } |
mbed_official | 376:cb4d9db17537 | 670 | } |
mbed_official | 376:cb4d9db17537 | 671 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 376:cb4d9db17537 | 672 | { |
mbed_official | 376:cb4d9db17537 | 673 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 674 | } |
mbed_official | 376:cb4d9db17537 | 675 | /* Check if a non-blocking receive Process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 676 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 376:cb4d9db17537 | 677 | { |
mbed_official | 376:cb4d9db17537 | 678 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 376:cb4d9db17537 | 679 | } |
mbed_official | 376:cb4d9db17537 | 680 | else |
mbed_official | 376:cb4d9db17537 | 681 | { |
mbed_official | 376:cb4d9db17537 | 682 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 683 | } |
mbed_official | 376:cb4d9db17537 | 684 | |
mbed_official | 376:cb4d9db17537 | 685 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 686 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 687 | |
mbed_official | 376:cb4d9db17537 | 688 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 689 | } |
mbed_official | 376:cb4d9db17537 | 690 | else |
mbed_official | 376:cb4d9db17537 | 691 | { |
mbed_official | 376:cb4d9db17537 | 692 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 693 | } |
mbed_official | 376:cb4d9db17537 | 694 | } |
mbed_official | 376:cb4d9db17537 | 695 | |
mbed_official | 376:cb4d9db17537 | 696 | /** |
mbed_official | 376:cb4d9db17537 | 697 | * @brief Receive an amount of data in blocking mode |
mbed_official | 376:cb4d9db17537 | 698 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 699 | * @param pData: pointer to data buffer |
mbed_official | 376:cb4d9db17537 | 700 | * @param Size: amount of data to be received |
mbed_official | 376:cb4d9db17537 | 701 | * @param Timeout : Timeout duration |
mbed_official | 376:cb4d9db17537 | 702 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 703 | */ |
mbed_official | 376:cb4d9db17537 | 704 | HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 376:cb4d9db17537 | 705 | { |
mbed_official | 376:cb4d9db17537 | 706 | uint16_t* tmp; |
mbed_official | 376:cb4d9db17537 | 707 | uint16_t uhMask; |
mbed_official | 376:cb4d9db17537 | 708 | |
mbed_official | 376:cb4d9db17537 | 709 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
mbed_official | 376:cb4d9db17537 | 710 | { |
mbed_official | 489:119543c9f674 | 711 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 376:cb4d9db17537 | 712 | { |
mbed_official | 376:cb4d9db17537 | 713 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 714 | } |
mbed_official | 376:cb4d9db17537 | 715 | |
mbed_official | 376:cb4d9db17537 | 716 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 717 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 718 | |
mbed_official | 376:cb4d9db17537 | 719 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 720 | /* Check if a non-blocking transmit process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 721 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 376:cb4d9db17537 | 722 | { |
mbed_official | 376:cb4d9db17537 | 723 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 376:cb4d9db17537 | 724 | } |
mbed_official | 376:cb4d9db17537 | 725 | else |
mbed_official | 376:cb4d9db17537 | 726 | { |
mbed_official | 376:cb4d9db17537 | 727 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 376:cb4d9db17537 | 728 | } |
mbed_official | 376:cb4d9db17537 | 729 | |
mbed_official | 376:cb4d9db17537 | 730 | huart->RxXferSize = Size; |
mbed_official | 376:cb4d9db17537 | 731 | huart->RxXferCount = Size; |
mbed_official | 376:cb4d9db17537 | 732 | |
mbed_official | 376:cb4d9db17537 | 733 | /* Computation of UART mask to apply to RDR register */ |
mbed_official | 489:119543c9f674 | 734 | UART_MASK_COMPUTATION(huart); |
mbed_official | 376:cb4d9db17537 | 735 | uhMask = huart->Mask; |
mbed_official | 376:cb4d9db17537 | 736 | |
mbed_official | 376:cb4d9db17537 | 737 | /* as long as data have to be received */ |
mbed_official | 376:cb4d9db17537 | 738 | while(huart->RxXferCount > 0) |
mbed_official | 376:cb4d9db17537 | 739 | { |
mbed_official | 376:cb4d9db17537 | 740 | huart->RxXferCount--; |
mbed_official | 376:cb4d9db17537 | 741 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 376:cb4d9db17537 | 742 | { |
mbed_official | 376:cb4d9db17537 | 743 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 744 | } |
mbed_official | 376:cb4d9db17537 | 745 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 376:cb4d9db17537 | 746 | { |
mbed_official | 376:cb4d9db17537 | 747 | tmp = (uint16_t*) pData ; |
mbed_official | 376:cb4d9db17537 | 748 | *tmp = (uint16_t)(huart->Instance->RDR & uhMask); |
mbed_official | 376:cb4d9db17537 | 749 | pData +=2; |
mbed_official | 376:cb4d9db17537 | 750 | } |
mbed_official | 376:cb4d9db17537 | 751 | else |
mbed_official | 376:cb4d9db17537 | 752 | { |
mbed_official | 376:cb4d9db17537 | 753 | *pData++ = (uint8_t)(huart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 376:cb4d9db17537 | 754 | } |
mbed_official | 376:cb4d9db17537 | 755 | } |
mbed_official | 376:cb4d9db17537 | 756 | |
mbed_official | 376:cb4d9db17537 | 757 | /* Check if a non-blocking transmit Process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 758 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 376:cb4d9db17537 | 759 | { |
mbed_official | 376:cb4d9db17537 | 760 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 376:cb4d9db17537 | 761 | } |
mbed_official | 376:cb4d9db17537 | 762 | else |
mbed_official | 376:cb4d9db17537 | 763 | { |
mbed_official | 376:cb4d9db17537 | 764 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 765 | } |
mbed_official | 376:cb4d9db17537 | 766 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 767 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 768 | |
mbed_official | 376:cb4d9db17537 | 769 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 770 | } |
mbed_official | 376:cb4d9db17537 | 771 | else |
mbed_official | 376:cb4d9db17537 | 772 | { |
mbed_official | 376:cb4d9db17537 | 773 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 774 | } |
mbed_official | 376:cb4d9db17537 | 775 | } |
mbed_official | 376:cb4d9db17537 | 776 | |
mbed_official | 376:cb4d9db17537 | 777 | /** |
mbed_official | 376:cb4d9db17537 | 778 | * @brief Send an amount of data in interrupt mode |
mbed_official | 376:cb4d9db17537 | 779 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 780 | * @param pData: pointer to data buffer |
mbed_official | 376:cb4d9db17537 | 781 | * @param Size: amount of data to be sent |
mbed_official | 376:cb4d9db17537 | 782 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 783 | */ |
mbed_official | 376:cb4d9db17537 | 784 | HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 376:cb4d9db17537 | 785 | { |
mbed_official | 376:cb4d9db17537 | 786 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
mbed_official | 376:cb4d9db17537 | 787 | { |
mbed_official | 489:119543c9f674 | 788 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 376:cb4d9db17537 | 789 | { |
mbed_official | 376:cb4d9db17537 | 790 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 791 | } |
mbed_official | 376:cb4d9db17537 | 792 | |
mbed_official | 376:cb4d9db17537 | 793 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 794 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 795 | |
mbed_official | 376:cb4d9db17537 | 796 | huart->pTxBuffPtr = pData; |
mbed_official | 376:cb4d9db17537 | 797 | huart->TxXferSize = Size; |
mbed_official | 376:cb4d9db17537 | 798 | huart->TxXferCount = Size; |
mbed_official | 376:cb4d9db17537 | 799 | |
mbed_official | 376:cb4d9db17537 | 800 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 801 | /* Check if a receive process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 802 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 376:cb4d9db17537 | 803 | { |
mbed_official | 376:cb4d9db17537 | 804 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 376:cb4d9db17537 | 805 | } |
mbed_official | 376:cb4d9db17537 | 806 | else |
mbed_official | 376:cb4d9db17537 | 807 | { |
mbed_official | 376:cb4d9db17537 | 808 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 376:cb4d9db17537 | 809 | } |
mbed_official | 376:cb4d9db17537 | 810 | |
mbed_official | 376:cb4d9db17537 | 811 | /* Enable the UART Parity Error Interrupt */ |
mbed_official | 376:cb4d9db17537 | 812 | __HAL_UART_ENABLE_IT(huart, UART_IT_PE); |
mbed_official | 376:cb4d9db17537 | 813 | |
mbed_official | 376:cb4d9db17537 | 814 | /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 376:cb4d9db17537 | 815 | __HAL_UART_ENABLE_IT(huart, UART_IT_ERR); |
mbed_official | 376:cb4d9db17537 | 816 | |
mbed_official | 376:cb4d9db17537 | 817 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 818 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 819 | |
mbed_official | 376:cb4d9db17537 | 820 | /* Enable the UART Transmit data register empty Interrupt */ |
mbed_official | 376:cb4d9db17537 | 821 | __HAL_UART_ENABLE_IT(huart, UART_IT_TXE); |
mbed_official | 376:cb4d9db17537 | 822 | |
mbed_official | 376:cb4d9db17537 | 823 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 824 | } |
mbed_official | 376:cb4d9db17537 | 825 | else |
mbed_official | 376:cb4d9db17537 | 826 | { |
mbed_official | 376:cb4d9db17537 | 827 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 828 | } |
mbed_official | 376:cb4d9db17537 | 829 | } |
mbed_official | 376:cb4d9db17537 | 830 | |
mbed_official | 376:cb4d9db17537 | 831 | /** |
mbed_official | 376:cb4d9db17537 | 832 | * @brief Receive an amount of data in interrupt mode |
mbed_official | 376:cb4d9db17537 | 833 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 834 | * @param pData: pointer to data buffer |
mbed_official | 376:cb4d9db17537 | 835 | * @param Size: amount of data to be received |
mbed_official | 376:cb4d9db17537 | 836 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 837 | */ |
mbed_official | 376:cb4d9db17537 | 838 | HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 376:cb4d9db17537 | 839 | { |
mbed_official | 376:cb4d9db17537 | 840 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
mbed_official | 376:cb4d9db17537 | 841 | { |
mbed_official | 489:119543c9f674 | 842 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 376:cb4d9db17537 | 843 | { |
mbed_official | 376:cb4d9db17537 | 844 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 845 | } |
mbed_official | 376:cb4d9db17537 | 846 | |
mbed_official | 376:cb4d9db17537 | 847 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 848 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 849 | |
mbed_official | 376:cb4d9db17537 | 850 | huart->pRxBuffPtr = pData; |
mbed_official | 376:cb4d9db17537 | 851 | huart->RxXferSize = Size; |
mbed_official | 376:cb4d9db17537 | 852 | huart->RxXferCount = Size; |
mbed_official | 376:cb4d9db17537 | 853 | |
mbed_official | 376:cb4d9db17537 | 854 | /* Computation of UART mask to apply to RDR register */ |
mbed_official | 489:119543c9f674 | 855 | UART_MASK_COMPUTATION(huart); |
mbed_official | 376:cb4d9db17537 | 856 | |
mbed_official | 376:cb4d9db17537 | 857 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 858 | /* Check if a transmit process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 859 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 376:cb4d9db17537 | 860 | { |
mbed_official | 376:cb4d9db17537 | 861 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 376:cb4d9db17537 | 862 | } |
mbed_official | 376:cb4d9db17537 | 863 | else |
mbed_official | 376:cb4d9db17537 | 864 | { |
mbed_official | 376:cb4d9db17537 | 865 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 376:cb4d9db17537 | 866 | } |
mbed_official | 376:cb4d9db17537 | 867 | |
mbed_official | 376:cb4d9db17537 | 868 | /* Enable the UART Parity Error Interrupt */ |
mbed_official | 376:cb4d9db17537 | 869 | __HAL_UART_ENABLE_IT(huart, UART_IT_PE); |
mbed_official | 376:cb4d9db17537 | 870 | |
mbed_official | 376:cb4d9db17537 | 871 | /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 376:cb4d9db17537 | 872 | __HAL_UART_ENABLE_IT(huart, UART_IT_ERR); |
mbed_official | 376:cb4d9db17537 | 873 | |
mbed_official | 376:cb4d9db17537 | 874 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 875 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 876 | |
mbed_official | 376:cb4d9db17537 | 877 | /* Enable the UART Data Register not empty Interrupt */ |
mbed_official | 376:cb4d9db17537 | 878 | __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 376:cb4d9db17537 | 879 | |
mbed_official | 376:cb4d9db17537 | 880 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 881 | } |
mbed_official | 376:cb4d9db17537 | 882 | else |
mbed_official | 376:cb4d9db17537 | 883 | { |
mbed_official | 376:cb4d9db17537 | 884 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 885 | } |
mbed_official | 376:cb4d9db17537 | 886 | } |
mbed_official | 376:cb4d9db17537 | 887 | |
mbed_official | 376:cb4d9db17537 | 888 | /** |
mbed_official | 376:cb4d9db17537 | 889 | * @brief Send an amount of data in DMA mode |
mbed_official | 376:cb4d9db17537 | 890 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 891 | * @param pData: pointer to data buffer |
mbed_official | 376:cb4d9db17537 | 892 | * @param Size: amount of data to be sent |
mbed_official | 376:cb4d9db17537 | 893 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 894 | */ |
mbed_official | 376:cb4d9db17537 | 895 | HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 376:cb4d9db17537 | 896 | { |
mbed_official | 376:cb4d9db17537 | 897 | uint32_t *tmp; |
mbed_official | 376:cb4d9db17537 | 898 | |
mbed_official | 376:cb4d9db17537 | 899 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
mbed_official | 376:cb4d9db17537 | 900 | { |
mbed_official | 489:119543c9f674 | 901 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 376:cb4d9db17537 | 902 | { |
mbed_official | 376:cb4d9db17537 | 903 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 904 | } |
mbed_official | 376:cb4d9db17537 | 905 | |
mbed_official | 376:cb4d9db17537 | 906 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 907 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 908 | |
mbed_official | 376:cb4d9db17537 | 909 | huart->pTxBuffPtr = pData; |
mbed_official | 376:cb4d9db17537 | 910 | huart->TxXferSize = Size; |
mbed_official | 376:cb4d9db17537 | 911 | huart->TxXferCount = Size; |
mbed_official | 376:cb4d9db17537 | 912 | |
mbed_official | 376:cb4d9db17537 | 913 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 914 | /* Check if a receive process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 915 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 376:cb4d9db17537 | 916 | { |
mbed_official | 376:cb4d9db17537 | 917 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 376:cb4d9db17537 | 918 | } |
mbed_official | 376:cb4d9db17537 | 919 | else |
mbed_official | 376:cb4d9db17537 | 920 | { |
mbed_official | 376:cb4d9db17537 | 921 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 376:cb4d9db17537 | 922 | } |
mbed_official | 376:cb4d9db17537 | 923 | |
mbed_official | 376:cb4d9db17537 | 924 | /* Set the UART DMA transfert complete callback */ |
mbed_official | 376:cb4d9db17537 | 925 | huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt; |
mbed_official | 376:cb4d9db17537 | 926 | |
mbed_official | 376:cb4d9db17537 | 927 | /* Set the UART DMA Half transfer complete callback */ |
mbed_official | 376:cb4d9db17537 | 928 | huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt; |
mbed_official | 376:cb4d9db17537 | 929 | |
mbed_official | 376:cb4d9db17537 | 930 | /* Set the DMA error callback */ |
mbed_official | 376:cb4d9db17537 | 931 | huart->hdmatx->XferErrorCallback = UART_DMAError; |
mbed_official | 376:cb4d9db17537 | 932 | |
mbed_official | 376:cb4d9db17537 | 933 | /* Enable the UART transmit DMA Stream */ |
mbed_official | 376:cb4d9db17537 | 934 | tmp = (uint32_t*)&pData; |
mbed_official | 376:cb4d9db17537 | 935 | HAL_DMA_Start_IT(huart->hdmatx, *(uint32_t*)tmp, (uint32_t)&huart->Instance->TDR, Size); |
mbed_official | 376:cb4d9db17537 | 936 | |
mbed_official | 489:119543c9f674 | 937 | /* Clear the TC flag in the SR register by writing 0 to it */ |
mbed_official | 489:119543c9f674 | 938 | __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_TC); |
mbed_official | 489:119543c9f674 | 939 | |
mbed_official | 376:cb4d9db17537 | 940 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 376:cb4d9db17537 | 941 | in the UART CR3 register */ |
mbed_official | 376:cb4d9db17537 | 942 | huart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 376:cb4d9db17537 | 943 | |
mbed_official | 376:cb4d9db17537 | 944 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 945 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 946 | |
mbed_official | 376:cb4d9db17537 | 947 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 948 | } |
mbed_official | 376:cb4d9db17537 | 949 | else |
mbed_official | 376:cb4d9db17537 | 950 | { |
mbed_official | 376:cb4d9db17537 | 951 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 952 | } |
mbed_official | 376:cb4d9db17537 | 953 | } |
mbed_official | 376:cb4d9db17537 | 954 | |
mbed_official | 376:cb4d9db17537 | 955 | /** |
mbed_official | 376:cb4d9db17537 | 956 | * @brief Receive an amount of data in DMA mode |
mbed_official | 376:cb4d9db17537 | 957 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 958 | * @param pData: pointer to data buffer |
mbed_official | 376:cb4d9db17537 | 959 | * @param Size: amount of data to be received |
mbed_official | 376:cb4d9db17537 | 960 | * @note When the UART parity is enabled (PCE = 1) the data received contain the parity bit. |
mbed_official | 376:cb4d9db17537 | 961 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 962 | */ |
mbed_official | 376:cb4d9db17537 | 963 | HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 376:cb4d9db17537 | 964 | { |
mbed_official | 376:cb4d9db17537 | 965 | uint32_t *tmp; |
mbed_official | 376:cb4d9db17537 | 966 | |
mbed_official | 376:cb4d9db17537 | 967 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
mbed_official | 376:cb4d9db17537 | 968 | { |
mbed_official | 489:119543c9f674 | 969 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 376:cb4d9db17537 | 970 | { |
mbed_official | 376:cb4d9db17537 | 971 | return HAL_ERROR; |
mbed_official | 376:cb4d9db17537 | 972 | } |
mbed_official | 376:cb4d9db17537 | 973 | |
mbed_official | 376:cb4d9db17537 | 974 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 975 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 976 | |
mbed_official | 376:cb4d9db17537 | 977 | huart->pRxBuffPtr = pData; |
mbed_official | 376:cb4d9db17537 | 978 | huart->RxXferSize = Size; |
mbed_official | 376:cb4d9db17537 | 979 | |
mbed_official | 376:cb4d9db17537 | 980 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 981 | /* Check if a transmit process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 982 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 376:cb4d9db17537 | 983 | { |
mbed_official | 376:cb4d9db17537 | 984 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 376:cb4d9db17537 | 985 | } |
mbed_official | 376:cb4d9db17537 | 986 | else |
mbed_official | 376:cb4d9db17537 | 987 | { |
mbed_official | 376:cb4d9db17537 | 988 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 376:cb4d9db17537 | 989 | } |
mbed_official | 376:cb4d9db17537 | 990 | |
mbed_official | 376:cb4d9db17537 | 991 | /* Set the UART DMA transfert complete callback */ |
mbed_official | 376:cb4d9db17537 | 992 | huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt; |
mbed_official | 376:cb4d9db17537 | 993 | |
mbed_official | 376:cb4d9db17537 | 994 | /* Set the UART DMA Half transfer complete callback */ |
mbed_official | 376:cb4d9db17537 | 995 | huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt; |
mbed_official | 376:cb4d9db17537 | 996 | |
mbed_official | 376:cb4d9db17537 | 997 | /* Set the DMA error callback */ |
mbed_official | 376:cb4d9db17537 | 998 | huart->hdmarx->XferErrorCallback = UART_DMAError; |
mbed_official | 376:cb4d9db17537 | 999 | |
mbed_official | 376:cb4d9db17537 | 1000 | /* Enable the DMA Stream */ |
mbed_official | 376:cb4d9db17537 | 1001 | tmp = (uint32_t*)&pData; |
mbed_official | 376:cb4d9db17537 | 1002 | HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 376:cb4d9db17537 | 1003 | |
mbed_official | 376:cb4d9db17537 | 1004 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 376:cb4d9db17537 | 1005 | in the UART CR3 register */ |
mbed_official | 376:cb4d9db17537 | 1006 | huart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 376:cb4d9db17537 | 1007 | |
mbed_official | 376:cb4d9db17537 | 1008 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1009 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1010 | |
mbed_official | 376:cb4d9db17537 | 1011 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1012 | } |
mbed_official | 376:cb4d9db17537 | 1013 | else |
mbed_official | 376:cb4d9db17537 | 1014 | { |
mbed_official | 376:cb4d9db17537 | 1015 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 1016 | } |
mbed_official | 376:cb4d9db17537 | 1017 | } |
mbed_official | 376:cb4d9db17537 | 1018 | |
mbed_official | 376:cb4d9db17537 | 1019 | /** |
mbed_official | 376:cb4d9db17537 | 1020 | * @brief Pauses the DMA Transfer. |
mbed_official | 376:cb4d9db17537 | 1021 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1022 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1023 | */ |
mbed_official | 376:cb4d9db17537 | 1024 | HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1025 | { |
mbed_official | 376:cb4d9db17537 | 1026 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1027 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1028 | |
mbed_official | 376:cb4d9db17537 | 1029 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 376:cb4d9db17537 | 1030 | { |
mbed_official | 376:cb4d9db17537 | 1031 | /* Disable the UART DMA Tx request */ |
mbed_official | 376:cb4d9db17537 | 1032 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 376:cb4d9db17537 | 1033 | } |
mbed_official | 376:cb4d9db17537 | 1034 | else if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 376:cb4d9db17537 | 1035 | { |
mbed_official | 376:cb4d9db17537 | 1036 | /* Disable the UART DMA Rx request */ |
mbed_official | 376:cb4d9db17537 | 1037 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 376:cb4d9db17537 | 1038 | } |
mbed_official | 376:cb4d9db17537 | 1039 | else if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 376:cb4d9db17537 | 1040 | { |
mbed_official | 376:cb4d9db17537 | 1041 | /* Disable the UART DMA Tx request */ |
mbed_official | 376:cb4d9db17537 | 1042 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 376:cb4d9db17537 | 1043 | /* Disable the UART DMA Rx request */ |
mbed_official | 376:cb4d9db17537 | 1044 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 376:cb4d9db17537 | 1045 | } |
mbed_official | 376:cb4d9db17537 | 1046 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1047 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1048 | |
mbed_official | 376:cb4d9db17537 | 1049 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1050 | } |
mbed_official | 376:cb4d9db17537 | 1051 | |
mbed_official | 376:cb4d9db17537 | 1052 | /** |
mbed_official | 376:cb4d9db17537 | 1053 | * @brief Resumes the DMA Transfer. |
mbed_official | 376:cb4d9db17537 | 1054 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1055 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1056 | */ |
mbed_official | 376:cb4d9db17537 | 1057 | HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1058 | { |
mbed_official | 376:cb4d9db17537 | 1059 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1060 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1061 | |
mbed_official | 376:cb4d9db17537 | 1062 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 376:cb4d9db17537 | 1063 | { |
mbed_official | 376:cb4d9db17537 | 1064 | /* Enable the UART DMA Tx request */ |
mbed_official | 376:cb4d9db17537 | 1065 | huart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 376:cb4d9db17537 | 1066 | } |
mbed_official | 376:cb4d9db17537 | 1067 | else if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 376:cb4d9db17537 | 1068 | { |
mbed_official | 376:cb4d9db17537 | 1069 | /* Clear the Overrun flag before resumming the Rx transfer*/ |
mbed_official | 376:cb4d9db17537 | 1070 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_OREF); |
mbed_official | 376:cb4d9db17537 | 1071 | |
mbed_official | 376:cb4d9db17537 | 1072 | /* Enable the UART DMA Rx request */ |
mbed_official | 376:cb4d9db17537 | 1073 | huart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 376:cb4d9db17537 | 1074 | } |
mbed_official | 376:cb4d9db17537 | 1075 | else if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 376:cb4d9db17537 | 1076 | { |
mbed_official | 376:cb4d9db17537 | 1077 | /* Clear the Overrun flag before resumming the Rx transfer*/ |
mbed_official | 376:cb4d9db17537 | 1078 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_OREF); |
mbed_official | 376:cb4d9db17537 | 1079 | |
mbed_official | 376:cb4d9db17537 | 1080 | /* Enable the UART DMA Rx request before the DMA Tx request */ |
mbed_official | 376:cb4d9db17537 | 1081 | huart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 376:cb4d9db17537 | 1082 | |
mbed_official | 376:cb4d9db17537 | 1083 | /* Enable the UART DMA Tx request */ |
mbed_official | 376:cb4d9db17537 | 1084 | huart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 376:cb4d9db17537 | 1085 | } |
mbed_official | 376:cb4d9db17537 | 1086 | |
mbed_official | 376:cb4d9db17537 | 1087 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1088 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1089 | |
mbed_official | 376:cb4d9db17537 | 1090 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1091 | } |
mbed_official | 376:cb4d9db17537 | 1092 | |
mbed_official | 376:cb4d9db17537 | 1093 | /** |
mbed_official | 376:cb4d9db17537 | 1094 | * @brief Stops the DMA Transfer. |
mbed_official | 376:cb4d9db17537 | 1095 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1096 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1097 | */ |
mbed_official | 376:cb4d9db17537 | 1098 | HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1099 | { |
mbed_official | 376:cb4d9db17537 | 1100 | /* The Lock is not implemented on this API to allow the user application |
mbed_official | 376:cb4d9db17537 | 1101 | to call the HAL UART API under callbacks HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback(): |
mbed_official | 376:cb4d9db17537 | 1102 | when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated |
mbed_official | 376:cb4d9db17537 | 1103 | and the correspond call back is executed HAL_UART_TxCpltCallback() / HAL_UART_RxCpltCallback() |
mbed_official | 376:cb4d9db17537 | 1104 | */ |
mbed_official | 376:cb4d9db17537 | 1105 | |
mbed_official | 376:cb4d9db17537 | 1106 | /* Disable the UART Tx/Rx DMA requests */ |
mbed_official | 376:cb4d9db17537 | 1107 | huart->Instance->CR3 &= ~USART_CR3_DMAT; |
mbed_official | 376:cb4d9db17537 | 1108 | huart->Instance->CR3 &= ~USART_CR3_DMAR; |
mbed_official | 376:cb4d9db17537 | 1109 | |
mbed_official | 376:cb4d9db17537 | 1110 | /* Abort the UART DMA tx channel */ |
mbed_official | 489:119543c9f674 | 1111 | if(huart->hdmatx != NULL) |
mbed_official | 376:cb4d9db17537 | 1112 | { |
mbed_official | 376:cb4d9db17537 | 1113 | HAL_DMA_Abort(huart->hdmatx); |
mbed_official | 376:cb4d9db17537 | 1114 | } |
mbed_official | 376:cb4d9db17537 | 1115 | /* Abort the UART DMA rx channel */ |
mbed_official | 489:119543c9f674 | 1116 | if(huart->hdmarx != NULL) |
mbed_official | 376:cb4d9db17537 | 1117 | { |
mbed_official | 376:cb4d9db17537 | 1118 | HAL_DMA_Abort(huart->hdmarx); |
mbed_official | 376:cb4d9db17537 | 1119 | } |
mbed_official | 376:cb4d9db17537 | 1120 | |
mbed_official | 376:cb4d9db17537 | 1121 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1122 | |
mbed_official | 376:cb4d9db17537 | 1123 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1124 | } |
mbed_official | 376:cb4d9db17537 | 1125 | |
mbed_official | 376:cb4d9db17537 | 1126 | /** |
mbed_official | 376:cb4d9db17537 | 1127 | * @brief This function handles UART interrupt request. |
mbed_official | 376:cb4d9db17537 | 1128 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1129 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1130 | */ |
mbed_official | 376:cb4d9db17537 | 1131 | void HAL_UART_IRQHandler(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1132 | { |
mbed_official | 376:cb4d9db17537 | 1133 | /* UART parity error interrupt occurred ------------------------------------*/ |
mbed_official | 489:119543c9f674 | 1134 | |
mbed_official | 376:cb4d9db17537 | 1135 | if((__HAL_UART_GET_IT(huart, UART_IT_PE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_PE) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1136 | { |
mbed_official | 489:119543c9f674 | 1137 | __HAL_UART_CLEAR_PEFLAG(huart); |
mbed_official | 376:cb4d9db17537 | 1138 | |
mbed_official | 376:cb4d9db17537 | 1139 | huart->ErrorCode |= HAL_UART_ERROR_PE; |
mbed_official | 376:cb4d9db17537 | 1140 | /* Set the UART state ready to be able to start again the process */ |
mbed_official | 376:cb4d9db17537 | 1141 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1142 | } |
mbed_official | 376:cb4d9db17537 | 1143 | |
mbed_official | 376:cb4d9db17537 | 1144 | /* UART frame error interrupt occured --------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1145 | if((__HAL_UART_GET_IT(huart, UART_IT_FE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1146 | { |
mbed_official | 489:119543c9f674 | 1147 | __HAL_UART_CLEAR_FEFLAG(huart); |
mbed_official | 376:cb4d9db17537 | 1148 | |
mbed_official | 376:cb4d9db17537 | 1149 | huart->ErrorCode |= HAL_UART_ERROR_FE; |
mbed_official | 376:cb4d9db17537 | 1150 | /* Set the UART state ready to be able to start again the process */ |
mbed_official | 376:cb4d9db17537 | 1151 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1152 | } |
mbed_official | 376:cb4d9db17537 | 1153 | |
mbed_official | 376:cb4d9db17537 | 1154 | /* UART noise error interrupt occured --------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1155 | if((__HAL_UART_GET_IT(huart, UART_IT_NE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1156 | { |
mbed_official | 489:119543c9f674 | 1157 | __HAL_UART_CLEAR_NEFLAG(huart); |
mbed_official | 376:cb4d9db17537 | 1158 | |
mbed_official | 376:cb4d9db17537 | 1159 | huart->ErrorCode |= HAL_UART_ERROR_NE; |
mbed_official | 376:cb4d9db17537 | 1160 | /* Set the UART state ready to be able to start again the process */ |
mbed_official | 376:cb4d9db17537 | 1161 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1162 | } |
mbed_official | 376:cb4d9db17537 | 1163 | |
mbed_official | 376:cb4d9db17537 | 1164 | /* UART Over-Run interrupt occured -----------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1165 | if((__HAL_UART_GET_IT(huart, UART_IT_ORE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1166 | { |
mbed_official | 489:119543c9f674 | 1167 | __HAL_UART_CLEAR_OREFLAG(huart); |
mbed_official | 376:cb4d9db17537 | 1168 | |
mbed_official | 376:cb4d9db17537 | 1169 | huart->ErrorCode |= HAL_UART_ERROR_ORE; |
mbed_official | 376:cb4d9db17537 | 1170 | /* Set the UART state ready to be able to start again the process */ |
mbed_official | 376:cb4d9db17537 | 1171 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1172 | } |
mbed_official | 376:cb4d9db17537 | 1173 | |
mbed_official | 376:cb4d9db17537 | 1174 | /* Call UART Error Call back function if need be --------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1175 | if(huart->ErrorCode != HAL_UART_ERROR_NONE) |
mbed_official | 376:cb4d9db17537 | 1176 | { |
mbed_official | 376:cb4d9db17537 | 1177 | HAL_UART_ErrorCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1178 | } |
mbed_official | 376:cb4d9db17537 | 1179 | |
mbed_official | 376:cb4d9db17537 | 1180 | /* UART Wake Up interrupt occured ------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1181 | if((__HAL_UART_GET_IT(huart, UART_IT_WUF) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_WUF) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1182 | { |
mbed_official | 376:cb4d9db17537 | 1183 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_WUF); |
mbed_official | 376:cb4d9db17537 | 1184 | /* Set the UART state ready to be able to start again the process */ |
mbed_official | 376:cb4d9db17537 | 1185 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1186 | HAL_UARTEx_WakeupCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1187 | } |
mbed_official | 376:cb4d9db17537 | 1188 | |
mbed_official | 376:cb4d9db17537 | 1189 | /* UART in mode Receiver ---------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1190 | if((__HAL_UART_GET_IT(huart, UART_IT_RXNE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1191 | { |
mbed_official | 376:cb4d9db17537 | 1192 | UART_Receive_IT(huart); |
mbed_official | 376:cb4d9db17537 | 1193 | } |
mbed_official | 376:cb4d9db17537 | 1194 | |
mbed_official | 376:cb4d9db17537 | 1195 | /* UART in mode Transmitter ------------------------------------------------*/ |
mbed_official | 376:cb4d9db17537 | 1196 | if((__HAL_UART_GET_IT(huart, UART_IT_TXE) != RESET) &&(__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TXE) != RESET)) |
mbed_official | 376:cb4d9db17537 | 1197 | { |
mbed_official | 376:cb4d9db17537 | 1198 | UART_Transmit_IT(huart); |
mbed_official | 376:cb4d9db17537 | 1199 | } |
mbed_official | 376:cb4d9db17537 | 1200 | |
mbed_official | 489:119543c9f674 | 1201 | /* UART in mode Transmitter -- TC ------------------------------------------*/ |
mbed_official | 489:119543c9f674 | 1202 | if((__HAL_UART_GET_IT(huart, UART_IT_TC) != RESET) &&(__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TC) != RESET)) |
mbed_official | 489:119543c9f674 | 1203 | { |
mbed_official | 489:119543c9f674 | 1204 | UART_EndTransmit_IT(huart); |
mbed_official | 489:119543c9f674 | 1205 | } |
mbed_official | 489:119543c9f674 | 1206 | |
mbed_official | 376:cb4d9db17537 | 1207 | if(huart->ErrorCode != HAL_UART_ERROR_NONE) |
mbed_official | 376:cb4d9db17537 | 1208 | { |
mbed_official | 376:cb4d9db17537 | 1209 | HAL_UART_ErrorCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1210 | } |
mbed_official | 376:cb4d9db17537 | 1211 | } |
mbed_official | 376:cb4d9db17537 | 1212 | |
mbed_official | 376:cb4d9db17537 | 1213 | /** |
mbed_official | 376:cb4d9db17537 | 1214 | * @brief Tx Transfer completed callbacks |
mbed_official | 376:cb4d9db17537 | 1215 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1216 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1217 | */ |
mbed_official | 376:cb4d9db17537 | 1218 | __weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1219 | { |
mbed_official | 376:cb4d9db17537 | 1220 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 1221 | the HAL_UART_TxCpltCallback could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 1222 | */ |
mbed_official | 376:cb4d9db17537 | 1223 | } |
mbed_official | 376:cb4d9db17537 | 1224 | |
mbed_official | 376:cb4d9db17537 | 1225 | /** |
mbed_official | 376:cb4d9db17537 | 1226 | * @brief Tx Half Transfer completed callbacks. |
mbed_official | 376:cb4d9db17537 | 1227 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1228 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1229 | */ |
mbed_official | 376:cb4d9db17537 | 1230 | __weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1231 | { |
mbed_official | 376:cb4d9db17537 | 1232 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 1233 | the HAL_UART_TxCpltCallback could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 1234 | */ |
mbed_official | 376:cb4d9db17537 | 1235 | } |
mbed_official | 376:cb4d9db17537 | 1236 | |
mbed_official | 376:cb4d9db17537 | 1237 | /** |
mbed_official | 376:cb4d9db17537 | 1238 | * @brief Rx Transfer completed callbacks |
mbed_official | 376:cb4d9db17537 | 1239 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1240 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1241 | */ |
mbed_official | 376:cb4d9db17537 | 1242 | __weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1243 | { |
mbed_official | 376:cb4d9db17537 | 1244 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 1245 | the HAL_UART_TxCpltCallback could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 1246 | */ |
mbed_official | 376:cb4d9db17537 | 1247 | } |
mbed_official | 376:cb4d9db17537 | 1248 | |
mbed_official | 376:cb4d9db17537 | 1249 | /** |
mbed_official | 376:cb4d9db17537 | 1250 | * @brief Rx Half Transfer completed callbacks. |
mbed_official | 376:cb4d9db17537 | 1251 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1252 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1253 | */ |
mbed_official | 376:cb4d9db17537 | 1254 | __weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1255 | { |
mbed_official | 376:cb4d9db17537 | 1256 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 1257 | the HAL_UART_TxCpltCallback could be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 1258 | */ |
mbed_official | 376:cb4d9db17537 | 1259 | } |
mbed_official | 376:cb4d9db17537 | 1260 | |
mbed_official | 376:cb4d9db17537 | 1261 | /** |
mbed_official | 376:cb4d9db17537 | 1262 | * @brief UART error callbacks |
mbed_official | 376:cb4d9db17537 | 1263 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1264 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1265 | */ |
mbed_official | 376:cb4d9db17537 | 1266 | __weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1267 | { |
mbed_official | 376:cb4d9db17537 | 1268 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 376:cb4d9db17537 | 1269 | the HAL_UART_ErrorCallback can be implemented in the user file |
mbed_official | 376:cb4d9db17537 | 1270 | */ |
mbed_official | 376:cb4d9db17537 | 1271 | } |
mbed_official | 376:cb4d9db17537 | 1272 | |
mbed_official | 376:cb4d9db17537 | 1273 | |
mbed_official | 376:cb4d9db17537 | 1274 | /** |
mbed_official | 376:cb4d9db17537 | 1275 | * @} |
mbed_official | 376:cb4d9db17537 | 1276 | */ |
mbed_official | 376:cb4d9db17537 | 1277 | |
mbed_official | 489:119543c9f674 | 1278 | /** @addtogroup UART_Exported_Functions_Group3 |
mbed_official | 376:cb4d9db17537 | 1279 | * @brief UART control functions |
mbed_official | 376:cb4d9db17537 | 1280 | * |
mbed_official | 376:cb4d9db17537 | 1281 | @verbatim |
mbed_official | 376:cb4d9db17537 | 1282 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 1283 | ##### Peripheral Control functions ##### |
mbed_official | 376:cb4d9db17537 | 1284 | =============================================================================== |
mbed_official | 376:cb4d9db17537 | 1285 | [..] |
mbed_official | 376:cb4d9db17537 | 1286 | This subsection provides a set of functions allowing to control the UART. |
mbed_official | 376:cb4d9db17537 | 1287 | (+) HAL_MultiProcessor_EnableMuteMode() API enables mute mode |
mbed_official | 376:cb4d9db17537 | 1288 | (+) HAL_MultiProcessor_DisableMuteMode() API disables mute mode |
mbed_official | 376:cb4d9db17537 | 1289 | (+) HAL_MultiProcessor_EnterMuteMode() API enters mute mode |
mbed_official | 376:cb4d9db17537 | 1290 | (+) HAL_HalfDuplex_EnableTransmitter() API enables the transmitter |
mbed_official | 376:cb4d9db17537 | 1291 | (+) HAL_HalfDuplex_EnableReceiver() API enables the receiver |
mbed_official | 376:cb4d9db17537 | 1292 | (+) HAL_UART_GetState() API is helpful to check in run-time the state of the UART peripheral |
mbed_official | 376:cb4d9db17537 | 1293 | (+) HAL_UART_GetError()API is helpful to check in run-time the error state of the UART peripheral |
mbed_official | 376:cb4d9db17537 | 1294 | @endverbatim |
mbed_official | 376:cb4d9db17537 | 1295 | * @{ |
mbed_official | 376:cb4d9db17537 | 1296 | */ |
mbed_official | 376:cb4d9db17537 | 1297 | |
mbed_official | 376:cb4d9db17537 | 1298 | /** |
mbed_official | 376:cb4d9db17537 | 1299 | * @brief Enable UART in mute mode (doesn't mean UART enters mute mode; |
mbed_official | 376:cb4d9db17537 | 1300 | * to enter mute mode, HAL_MultiProcessor_EnterMuteMode() API must be called) |
mbed_official | 376:cb4d9db17537 | 1301 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1302 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1303 | */ |
mbed_official | 376:cb4d9db17537 | 1304 | HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1305 | { |
mbed_official | 376:cb4d9db17537 | 1306 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1307 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1308 | |
mbed_official | 376:cb4d9db17537 | 1309 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 1310 | |
mbed_official | 376:cb4d9db17537 | 1311 | /* Enable USART mute mode by setting the MME bit in the CR1 register */ |
mbed_official | 376:cb4d9db17537 | 1312 | huart->Instance->CR1 |= USART_CR1_MME; |
mbed_official | 376:cb4d9db17537 | 1313 | |
mbed_official | 376:cb4d9db17537 | 1314 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1315 | |
mbed_official | 376:cb4d9db17537 | 1316 | return (UART_CheckIdleState(huart)); |
mbed_official | 376:cb4d9db17537 | 1317 | } |
mbed_official | 376:cb4d9db17537 | 1318 | |
mbed_official | 376:cb4d9db17537 | 1319 | /** |
mbed_official | 376:cb4d9db17537 | 1320 | * @brief Disable UART mute mode (doesn't mean it actually wakes up the software, |
mbed_official | 376:cb4d9db17537 | 1321 | * as it may not have been in mute mode at this very moment). |
mbed_official | 376:cb4d9db17537 | 1322 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1323 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1324 | */ |
mbed_official | 376:cb4d9db17537 | 1325 | HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1326 | { |
mbed_official | 376:cb4d9db17537 | 1327 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1328 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1329 | |
mbed_official | 376:cb4d9db17537 | 1330 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 1331 | |
mbed_official | 376:cb4d9db17537 | 1332 | /* Disable USART mute mode by clearing the MME bit in the CR1 register */ |
mbed_official | 376:cb4d9db17537 | 1333 | huart->Instance->CR1 &= ~(USART_CR1_MME); |
mbed_official | 376:cb4d9db17537 | 1334 | |
mbed_official | 376:cb4d9db17537 | 1335 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1336 | |
mbed_official | 376:cb4d9db17537 | 1337 | return (UART_CheckIdleState(huart)); |
mbed_official | 376:cb4d9db17537 | 1338 | } |
mbed_official | 376:cb4d9db17537 | 1339 | |
mbed_official | 376:cb4d9db17537 | 1340 | /** |
mbed_official | 376:cb4d9db17537 | 1341 | * @brief Enter UART mute mode (means UART actually enters mute mode). |
mbed_official | 376:cb4d9db17537 | 1342 | * To exit from mute mode, HAL_MultiProcessor_DisableMuteMode() API must be called. |
mbed_official | 376:cb4d9db17537 | 1343 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1344 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1345 | */ |
mbed_official | 376:cb4d9db17537 | 1346 | void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1347 | { |
mbed_official | 376:cb4d9db17537 | 1348 | __HAL_UART_SEND_REQ(huart, UART_MUTE_MODE_REQUEST); |
mbed_official | 376:cb4d9db17537 | 1349 | } |
mbed_official | 376:cb4d9db17537 | 1350 | |
mbed_official | 376:cb4d9db17537 | 1351 | /** |
mbed_official | 376:cb4d9db17537 | 1352 | * @brief Enables the UART transmitter and disables the UART receiver. |
mbed_official | 376:cb4d9db17537 | 1353 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1354 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1355 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1356 | */ |
mbed_official | 376:cb4d9db17537 | 1357 | HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1358 | { |
mbed_official | 376:cb4d9db17537 | 1359 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1360 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1361 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 1362 | |
mbed_official | 376:cb4d9db17537 | 1363 | /* Clear TE and RE bits */ |
mbed_official | 376:cb4d9db17537 | 1364 | CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); |
mbed_official | 376:cb4d9db17537 | 1365 | /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */ |
mbed_official | 376:cb4d9db17537 | 1366 | SET_BIT(huart->Instance->CR1, USART_CR1_TE); |
mbed_official | 376:cb4d9db17537 | 1367 | |
mbed_official | 376:cb4d9db17537 | 1368 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1369 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1370 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1371 | |
mbed_official | 376:cb4d9db17537 | 1372 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1373 | } |
mbed_official | 376:cb4d9db17537 | 1374 | |
mbed_official | 376:cb4d9db17537 | 1375 | /** |
mbed_official | 376:cb4d9db17537 | 1376 | * @brief Enables the UART receiver and disables the UART transmitter. |
mbed_official | 376:cb4d9db17537 | 1377 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1378 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1379 | */ |
mbed_official | 376:cb4d9db17537 | 1380 | HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1381 | { |
mbed_official | 376:cb4d9db17537 | 1382 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1383 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1384 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 1385 | |
mbed_official | 376:cb4d9db17537 | 1386 | /* Clear TE and RE bits */ |
mbed_official | 376:cb4d9db17537 | 1387 | CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); |
mbed_official | 376:cb4d9db17537 | 1388 | /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */ |
mbed_official | 376:cb4d9db17537 | 1389 | SET_BIT(huart->Instance->CR1, USART_CR1_RE); |
mbed_official | 376:cb4d9db17537 | 1390 | |
mbed_official | 376:cb4d9db17537 | 1391 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1392 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1393 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1394 | |
mbed_official | 376:cb4d9db17537 | 1395 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1396 | } |
mbed_official | 376:cb4d9db17537 | 1397 | |
mbed_official | 376:cb4d9db17537 | 1398 | /** |
mbed_official | 376:cb4d9db17537 | 1399 | * @brief Transmits break characters. |
mbed_official | 376:cb4d9db17537 | 1400 | * @param huart: pointer to a UART_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 1401 | * the configuration information for the specified UART module. |
mbed_official | 376:cb4d9db17537 | 1402 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1403 | */ |
mbed_official | 376:cb4d9db17537 | 1404 | HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1405 | { |
mbed_official | 376:cb4d9db17537 | 1406 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 1407 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
mbed_official | 376:cb4d9db17537 | 1408 | |
mbed_official | 376:cb4d9db17537 | 1409 | /* Process Locked */ |
mbed_official | 376:cb4d9db17537 | 1410 | __HAL_LOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1411 | |
mbed_official | 376:cb4d9db17537 | 1412 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 376:cb4d9db17537 | 1413 | |
mbed_official | 376:cb4d9db17537 | 1414 | /* Send break characters */ |
mbed_official | 376:cb4d9db17537 | 1415 | huart->Instance->RQR |= USART_RQR_SBKRQ; |
mbed_official | 376:cb4d9db17537 | 1416 | |
mbed_official | 376:cb4d9db17537 | 1417 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1418 | |
mbed_official | 376:cb4d9db17537 | 1419 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1420 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1421 | |
mbed_official | 376:cb4d9db17537 | 1422 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1423 | } |
mbed_official | 376:cb4d9db17537 | 1424 | |
mbed_official | 376:cb4d9db17537 | 1425 | /** |
mbed_official | 376:cb4d9db17537 | 1426 | * @brief return the UART state |
mbed_official | 376:cb4d9db17537 | 1427 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1428 | * @retval HAL state |
mbed_official | 376:cb4d9db17537 | 1429 | */ |
mbed_official | 376:cb4d9db17537 | 1430 | HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1431 | { |
mbed_official | 376:cb4d9db17537 | 1432 | return huart->State; |
mbed_official | 376:cb4d9db17537 | 1433 | } |
mbed_official | 376:cb4d9db17537 | 1434 | |
mbed_official | 376:cb4d9db17537 | 1435 | /** |
mbed_official | 376:cb4d9db17537 | 1436 | * @brief Return the UART error code |
mbed_official | 376:cb4d9db17537 | 1437 | * @param huart : pointer to a UART_HandleTypeDef structure that contains |
mbed_official | 376:cb4d9db17537 | 1438 | * the configuration information for the specified UART. |
mbed_official | 376:cb4d9db17537 | 1439 | * @retval UART Error Code |
mbed_official | 376:cb4d9db17537 | 1440 | */ |
mbed_official | 376:cb4d9db17537 | 1441 | uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1442 | { |
mbed_official | 376:cb4d9db17537 | 1443 | return huart->ErrorCode; |
mbed_official | 376:cb4d9db17537 | 1444 | } |
mbed_official | 376:cb4d9db17537 | 1445 | |
mbed_official | 376:cb4d9db17537 | 1446 | /** |
mbed_official | 376:cb4d9db17537 | 1447 | * @} |
mbed_official | 376:cb4d9db17537 | 1448 | */ |
mbed_official | 376:cb4d9db17537 | 1449 | |
mbed_official | 489:119543c9f674 | 1450 | /*************************************************************** |
mbed_official | 489:119543c9f674 | 1451 | * Private functions... |
mbed_official | 489:119543c9f674 | 1452 | * |
mbed_official | 489:119543c9f674 | 1453 | ***************************************************************/ |
mbed_official | 376:cb4d9db17537 | 1454 | /** |
mbed_official | 376:cb4d9db17537 | 1455 | * @brief DMA UART transmit process complete callback |
mbed_official | 376:cb4d9db17537 | 1456 | * @param hdma: DMA handle |
mbed_official | 376:cb4d9db17537 | 1457 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1458 | */ |
mbed_official | 376:cb4d9db17537 | 1459 | static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 1460 | { |
mbed_official | 376:cb4d9db17537 | 1461 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 489:119543c9f674 | 1462 | huart->TxXferCount = 0; |
mbed_official | 489:119543c9f674 | 1463 | |
mbed_official | 489:119543c9f674 | 1464 | /* Disable the DMA transfer for transmit request by resetting the DMAT bit |
mbed_official | 489:119543c9f674 | 1465 | in the UART CR3 register */ |
mbed_official | 489:119543c9f674 | 1466 | huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT); |
mbed_official | 489:119543c9f674 | 1467 | |
mbed_official | 489:119543c9f674 | 1468 | /* Enable the UART Transmit Complete Interrupt */ |
mbed_official | 489:119543c9f674 | 1469 | __HAL_UART_ENABLE_IT(huart, UART_IT_TC); |
mbed_official | 489:119543c9f674 | 1470 | |
mbed_official | 376:cb4d9db17537 | 1471 | } |
mbed_official | 376:cb4d9db17537 | 1472 | |
mbed_official | 376:cb4d9db17537 | 1473 | /** |
mbed_official | 376:cb4d9db17537 | 1474 | * @brief DMA UART transmit process half complete callback |
mbed_official | 376:cb4d9db17537 | 1475 | * @param hdma : DMA handle |
mbed_official | 376:cb4d9db17537 | 1476 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1477 | */ |
mbed_official | 376:cb4d9db17537 | 1478 | static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 1479 | { |
mbed_official | 376:cb4d9db17537 | 1480 | UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 1481 | |
mbed_official | 376:cb4d9db17537 | 1482 | HAL_UART_TxHalfCpltCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1483 | } |
mbed_official | 376:cb4d9db17537 | 1484 | |
mbed_official | 376:cb4d9db17537 | 1485 | /** |
mbed_official | 376:cb4d9db17537 | 1486 | * @brief DMA UART receive process complete callback |
mbed_official | 376:cb4d9db17537 | 1487 | * @param hdma: DMA handle |
mbed_official | 376:cb4d9db17537 | 1488 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1489 | */ |
mbed_official | 376:cb4d9db17537 | 1490 | static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 1491 | { |
mbed_official | 376:cb4d9db17537 | 1492 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 1493 | |
mbed_official | 376:cb4d9db17537 | 1494 | /* DMA Normal mode*/ |
mbed_official | 376:cb4d9db17537 | 1495 | if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0) |
mbed_official | 376:cb4d9db17537 | 1496 | { |
mbed_official | 376:cb4d9db17537 | 1497 | huart->RxXferCount = 0; |
mbed_official | 376:cb4d9db17537 | 1498 | |
mbed_official | 376:cb4d9db17537 | 1499 | /* Disable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 376:cb4d9db17537 | 1500 | in the UART CR3 register */ |
mbed_official | 376:cb4d9db17537 | 1501 | huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR); |
mbed_official | 376:cb4d9db17537 | 1502 | |
mbed_official | 376:cb4d9db17537 | 1503 | /* Check if a transmit Process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 1504 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 376:cb4d9db17537 | 1505 | { |
mbed_official | 376:cb4d9db17537 | 1506 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 376:cb4d9db17537 | 1507 | } |
mbed_official | 376:cb4d9db17537 | 1508 | else |
mbed_official | 376:cb4d9db17537 | 1509 | { |
mbed_official | 376:cb4d9db17537 | 1510 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1511 | } |
mbed_official | 376:cb4d9db17537 | 1512 | } |
mbed_official | 376:cb4d9db17537 | 1513 | HAL_UART_RxCpltCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1514 | } |
mbed_official | 376:cb4d9db17537 | 1515 | |
mbed_official | 376:cb4d9db17537 | 1516 | /** |
mbed_official | 376:cb4d9db17537 | 1517 | * @brief DMA UART receive process half complete callback |
mbed_official | 376:cb4d9db17537 | 1518 | * @param hdma : DMA handle |
mbed_official | 376:cb4d9db17537 | 1519 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1520 | */ |
mbed_official | 376:cb4d9db17537 | 1521 | static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 1522 | { |
mbed_official | 376:cb4d9db17537 | 1523 | UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 1524 | |
mbed_official | 376:cb4d9db17537 | 1525 | HAL_UART_RxHalfCpltCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1526 | } |
mbed_official | 376:cb4d9db17537 | 1527 | |
mbed_official | 376:cb4d9db17537 | 1528 | /** |
mbed_official | 376:cb4d9db17537 | 1529 | * @brief DMA UART communication error callback |
mbed_official | 376:cb4d9db17537 | 1530 | * @param hdma: DMA handle |
mbed_official | 376:cb4d9db17537 | 1531 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1532 | */ |
mbed_official | 376:cb4d9db17537 | 1533 | static void UART_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 376:cb4d9db17537 | 1534 | { |
mbed_official | 376:cb4d9db17537 | 1535 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 376:cb4d9db17537 | 1536 | huart->RxXferCount = 0; |
mbed_official | 376:cb4d9db17537 | 1537 | huart->TxXferCount = 0; |
mbed_official | 376:cb4d9db17537 | 1538 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1539 | huart->ErrorCode |= HAL_UART_ERROR_DMA; |
mbed_official | 376:cb4d9db17537 | 1540 | HAL_UART_ErrorCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1541 | } |
mbed_official | 376:cb4d9db17537 | 1542 | |
mbed_official | 376:cb4d9db17537 | 1543 | /** |
mbed_official | 376:cb4d9db17537 | 1544 | * @brief Send an amount of data in interrupt mode |
mbed_official | 376:cb4d9db17537 | 1545 | * Function called under interruption only, once |
mbed_official | 376:cb4d9db17537 | 1546 | * interruptions have been enabled by HAL_UART_Transmit_IT() |
mbed_official | 376:cb4d9db17537 | 1547 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1548 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1549 | */ |
mbed_official | 376:cb4d9db17537 | 1550 | static HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1551 | { |
mbed_official | 376:cb4d9db17537 | 1552 | uint16_t* tmp; |
mbed_official | 376:cb4d9db17537 | 1553 | |
mbed_official | 376:cb4d9db17537 | 1554 | if ((huart->State == HAL_UART_STATE_BUSY_TX) || (huart->State == HAL_UART_STATE_BUSY_TX_RX)) |
mbed_official | 376:cb4d9db17537 | 1555 | { |
mbed_official | 376:cb4d9db17537 | 1556 | if(huart->TxXferCount == 0) |
mbed_official | 376:cb4d9db17537 | 1557 | { |
mbed_official | 376:cb4d9db17537 | 1558 | /* Disable the UART TXE Interrupt */ |
mbed_official | 376:cb4d9db17537 | 1559 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
mbed_official | 376:cb4d9db17537 | 1560 | |
mbed_official | 489:119543c9f674 | 1561 | /* Enable the UART Transmit Complete Interrupt */ |
mbed_official | 489:119543c9f674 | 1562 | __HAL_UART_ENABLE_IT(huart, UART_IT_TC); |
mbed_official | 376:cb4d9db17537 | 1563 | |
mbed_official | 376:cb4d9db17537 | 1564 | return HAL_OK; |
mbed_official | 489:119543c9f674 | 1565 | |
mbed_official | 376:cb4d9db17537 | 1566 | } |
mbed_official | 376:cb4d9db17537 | 1567 | else |
mbed_official | 376:cb4d9db17537 | 1568 | { |
mbed_official | 376:cb4d9db17537 | 1569 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 376:cb4d9db17537 | 1570 | { |
mbed_official | 376:cb4d9db17537 | 1571 | tmp = (uint16_t*) huart->pTxBuffPtr; |
mbed_official | 376:cb4d9db17537 | 1572 | huart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 376:cb4d9db17537 | 1573 | huart->pTxBuffPtr += 2; |
mbed_official | 376:cb4d9db17537 | 1574 | } |
mbed_official | 376:cb4d9db17537 | 1575 | else |
mbed_official | 376:cb4d9db17537 | 1576 | { |
mbed_official | 376:cb4d9db17537 | 1577 | huart->Instance->TDR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0xFF); |
mbed_official | 376:cb4d9db17537 | 1578 | } |
mbed_official | 376:cb4d9db17537 | 1579 | |
mbed_official | 376:cb4d9db17537 | 1580 | huart->TxXferCount--; |
mbed_official | 376:cb4d9db17537 | 1581 | |
mbed_official | 376:cb4d9db17537 | 1582 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1583 | } |
mbed_official | 376:cb4d9db17537 | 1584 | } |
mbed_official | 376:cb4d9db17537 | 1585 | else |
mbed_official | 376:cb4d9db17537 | 1586 | { |
mbed_official | 376:cb4d9db17537 | 1587 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 1588 | } |
mbed_official | 376:cb4d9db17537 | 1589 | } |
mbed_official | 376:cb4d9db17537 | 1590 | |
mbed_official | 376:cb4d9db17537 | 1591 | /** |
mbed_official | 489:119543c9f674 | 1592 | * @brief Wraps up transmission in non blocking mode. |
mbed_official | 489:119543c9f674 | 1593 | * @param huart: pointer to a UART_HandleTypeDef structure that contains |
mbed_official | 489:119543c9f674 | 1594 | * the configuration information for the specified UART module. |
mbed_official | 489:119543c9f674 | 1595 | * @retval HAL status |
mbed_official | 489:119543c9f674 | 1596 | */ |
mbed_official | 489:119543c9f674 | 1597 | static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart) |
mbed_official | 489:119543c9f674 | 1598 | { |
mbed_official | 489:119543c9f674 | 1599 | /* Disable the UART Transmit Complete Interrupt */ |
mbed_official | 489:119543c9f674 | 1600 | __HAL_UART_DISABLE_IT(huart, UART_IT_TC); |
mbed_official | 489:119543c9f674 | 1601 | |
mbed_official | 489:119543c9f674 | 1602 | /* Check if a receive process is ongoing or not */ |
mbed_official | 489:119543c9f674 | 1603 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 489:119543c9f674 | 1604 | { |
mbed_official | 489:119543c9f674 | 1605 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 489:119543c9f674 | 1606 | } |
mbed_official | 489:119543c9f674 | 1607 | else |
mbed_official | 489:119543c9f674 | 1608 | { |
mbed_official | 489:119543c9f674 | 1609 | /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 489:119543c9f674 | 1610 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 489:119543c9f674 | 1611 | |
mbed_official | 489:119543c9f674 | 1612 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 489:119543c9f674 | 1613 | } |
mbed_official | 489:119543c9f674 | 1614 | |
mbed_official | 489:119543c9f674 | 1615 | HAL_UART_TxCpltCallback(huart); |
mbed_official | 489:119543c9f674 | 1616 | |
mbed_official | 489:119543c9f674 | 1617 | return HAL_OK; |
mbed_official | 489:119543c9f674 | 1618 | } |
mbed_official | 489:119543c9f674 | 1619 | |
mbed_official | 489:119543c9f674 | 1620 | |
mbed_official | 489:119543c9f674 | 1621 | /** |
mbed_official | 376:cb4d9db17537 | 1622 | * @brief Receive an amount of data in interrupt mode |
mbed_official | 376:cb4d9db17537 | 1623 | * Function called under interruption only, once |
mbed_official | 376:cb4d9db17537 | 1624 | * interruptions have been enabled by HAL_UART_Receive_IT() |
mbed_official | 376:cb4d9db17537 | 1625 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1626 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1627 | */ |
mbed_official | 376:cb4d9db17537 | 1628 | static HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1629 | { |
mbed_official | 376:cb4d9db17537 | 1630 | uint16_t* tmp; |
mbed_official | 376:cb4d9db17537 | 1631 | uint16_t uhMask = huart->Mask; |
mbed_official | 376:cb4d9db17537 | 1632 | |
mbed_official | 376:cb4d9db17537 | 1633 | if((huart->State == HAL_UART_STATE_BUSY_RX) || (huart->State == HAL_UART_STATE_BUSY_TX_RX)) |
mbed_official | 376:cb4d9db17537 | 1634 | { |
mbed_official | 376:cb4d9db17537 | 1635 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 376:cb4d9db17537 | 1636 | { |
mbed_official | 376:cb4d9db17537 | 1637 | tmp = (uint16_t*) huart->pRxBuffPtr ; |
mbed_official | 376:cb4d9db17537 | 1638 | *tmp = (uint16_t)(huart->Instance->RDR & uhMask); |
mbed_official | 376:cb4d9db17537 | 1639 | huart->pRxBuffPtr +=2; |
mbed_official | 376:cb4d9db17537 | 1640 | } |
mbed_official | 376:cb4d9db17537 | 1641 | else |
mbed_official | 376:cb4d9db17537 | 1642 | { |
mbed_official | 376:cb4d9db17537 | 1643 | *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 376:cb4d9db17537 | 1644 | } |
mbed_official | 376:cb4d9db17537 | 1645 | |
mbed_official | 376:cb4d9db17537 | 1646 | if(--huart->RxXferCount == 0) |
mbed_official | 376:cb4d9db17537 | 1647 | { |
mbed_official | 376:cb4d9db17537 | 1648 | while(HAL_IS_BIT_SET(huart->Instance->ISR, UART_FLAG_RXNE)) |
mbed_official | 376:cb4d9db17537 | 1649 | { |
mbed_official | 376:cb4d9db17537 | 1650 | } |
mbed_official | 376:cb4d9db17537 | 1651 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 376:cb4d9db17537 | 1652 | |
mbed_official | 376:cb4d9db17537 | 1653 | /* Check if a transmit Process is ongoing or not */ |
mbed_official | 376:cb4d9db17537 | 1654 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 376:cb4d9db17537 | 1655 | { |
mbed_official | 376:cb4d9db17537 | 1656 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 376:cb4d9db17537 | 1657 | } |
mbed_official | 376:cb4d9db17537 | 1658 | else |
mbed_official | 376:cb4d9db17537 | 1659 | { |
mbed_official | 376:cb4d9db17537 | 1660 | /* Disable the UART Parity Error Interrupt */ |
mbed_official | 376:cb4d9db17537 | 1661 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
mbed_official | 376:cb4d9db17537 | 1662 | |
mbed_official | 376:cb4d9db17537 | 1663 | /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 376:cb4d9db17537 | 1664 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 376:cb4d9db17537 | 1665 | |
mbed_official | 376:cb4d9db17537 | 1666 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1667 | } |
mbed_official | 376:cb4d9db17537 | 1668 | HAL_UART_RxCpltCallback(huart); |
mbed_official | 376:cb4d9db17537 | 1669 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1670 | } |
mbed_official | 376:cb4d9db17537 | 1671 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1672 | } |
mbed_official | 376:cb4d9db17537 | 1673 | else |
mbed_official | 376:cb4d9db17537 | 1674 | { |
mbed_official | 376:cb4d9db17537 | 1675 | return HAL_BUSY; |
mbed_official | 376:cb4d9db17537 | 1676 | } |
mbed_official | 376:cb4d9db17537 | 1677 | } |
mbed_official | 376:cb4d9db17537 | 1678 | |
mbed_official | 376:cb4d9db17537 | 1679 | /** |
mbed_official | 376:cb4d9db17537 | 1680 | * @brief Configure the UART peripheral |
mbed_official | 376:cb4d9db17537 | 1681 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1682 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1683 | */ |
mbed_official | 376:cb4d9db17537 | 1684 | void UART_SetConfig(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1685 | { |
mbed_official | 376:cb4d9db17537 | 1686 | uint32_t tmpreg = 0x00000000; |
mbed_official | 376:cb4d9db17537 | 1687 | uint32_t clocksource = 0x00000000; |
mbed_official | 376:cb4d9db17537 | 1688 | uint16_t brrtemp = 0x0000; |
mbed_official | 376:cb4d9db17537 | 1689 | uint16_t usartdiv = 0x0000; |
mbed_official | 376:cb4d9db17537 | 1690 | |
mbed_official | 376:cb4d9db17537 | 1691 | /* Check the parameters */ |
mbed_official | 376:cb4d9db17537 | 1692 | assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1693 | assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength)); |
mbed_official | 376:cb4d9db17537 | 1694 | assert_param(IS_UART_STOPBITS(huart->Init.StopBits)); |
mbed_official | 376:cb4d9db17537 | 1695 | assert_param(IS_UART_PARITY(huart->Init.Parity)); |
mbed_official | 376:cb4d9db17537 | 1696 | assert_param(IS_UART_MODE(huart->Init.Mode)); |
mbed_official | 376:cb4d9db17537 | 1697 | assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl)); |
mbed_official | 489:119543c9f674 | 1698 | assert_param(IS_UART_ONE_BIT_SAMPLE(huart->Init.OneBitSampling)); |
mbed_official | 489:119543c9f674 | 1699 | assert_param(IS_UART_OVERSAMPLING(huart->Init.OverSampling)); |
mbed_official | 376:cb4d9db17537 | 1700 | |
mbed_official | 376:cb4d9db17537 | 1701 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
mbed_official | 376:cb4d9db17537 | 1702 | /* Clear M, PCE, PS, TE, RE and OVER8 bits and configure |
mbed_official | 376:cb4d9db17537 | 1703 | * the UART Word Length, Parity, Mode and oversampling: |
mbed_official | 376:cb4d9db17537 | 1704 | * set the M bits according to huart->Init.WordLength value |
mbed_official | 376:cb4d9db17537 | 1705 | * set PCE and PS bits according to huart->Init.Parity value |
mbed_official | 376:cb4d9db17537 | 1706 | * set TE and RE bits according to huart->Init.Mode value |
mbed_official | 376:cb4d9db17537 | 1707 | * set OVER8 bit according to huart->Init.OverSampling value */ |
mbed_official | 376:cb4d9db17537 | 1708 | tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling ; |
mbed_official | 376:cb4d9db17537 | 1709 | MODIFY_REG(huart->Instance->CR1, UART_CR1_FIELDS, tmpreg); |
mbed_official | 376:cb4d9db17537 | 1710 | |
mbed_official | 376:cb4d9db17537 | 1711 | /*-------------------------- USART CR2 Configuration -----------------------*/ |
mbed_official | 376:cb4d9db17537 | 1712 | /* Configure the UART Stop Bits: Set STOP[13:12] bits according |
mbed_official | 376:cb4d9db17537 | 1713 | * to huart->Init.StopBits value */ |
mbed_official | 376:cb4d9db17537 | 1714 | MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits); |
mbed_official | 376:cb4d9db17537 | 1715 | |
mbed_official | 376:cb4d9db17537 | 1716 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
mbed_official | 376:cb4d9db17537 | 1717 | /* Configure |
mbed_official | 376:cb4d9db17537 | 1718 | * - UART HardWare Flow Control: set CTSE and RTSE bits according |
mbed_official | 376:cb4d9db17537 | 1719 | * to huart->Init.HwFlowCtl value |
mbed_official | 376:cb4d9db17537 | 1720 | * - one-bit sampling method versus three samples' majority rule according |
mbed_official | 376:cb4d9db17537 | 1721 | * to huart->Init.OneBitSampling */ |
mbed_official | 376:cb4d9db17537 | 1722 | tmpreg = (uint32_t)huart->Init.HwFlowCtl | huart->Init.OneBitSampling ; |
mbed_official | 376:cb4d9db17537 | 1723 | MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE | USART_CR3_ONEBIT), tmpreg); |
mbed_official | 376:cb4d9db17537 | 1724 | |
mbed_official | 376:cb4d9db17537 | 1725 | /*-------------------------- USART BRR Configuration -----------------------*/ |
mbed_official | 489:119543c9f674 | 1726 | UART_GETCLOCKSOURCE(huart, clocksource); |
mbed_official | 376:cb4d9db17537 | 1727 | |
mbed_official | 376:cb4d9db17537 | 1728 | /* Check LPUART instace */ |
mbed_official | 376:cb4d9db17537 | 1729 | if(huart->Instance == LPUART1) |
mbed_official | 376:cb4d9db17537 | 1730 | { |
mbed_official | 376:cb4d9db17537 | 1731 | switch (clocksource) |
mbed_official | 376:cb4d9db17537 | 1732 | { |
mbed_official | 376:cb4d9db17537 | 1733 | case UART_CLOCKSOURCE_PCLK1: |
mbed_official | 376:cb4d9db17537 | 1734 | huart->Instance->BRR = (uint32_t)(__DIV_LPUART(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1735 | break; |
mbed_official | 376:cb4d9db17537 | 1736 | case UART_CLOCKSOURCE_HSI: |
mbed_official | 376:cb4d9db17537 | 1737 | huart->Instance->BRR = (uint32_t)(__DIV_LPUART(HSI_VALUE, huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1738 | break; |
mbed_official | 376:cb4d9db17537 | 1739 | case UART_CLOCKSOURCE_SYSCLK: |
mbed_official | 376:cb4d9db17537 | 1740 | huart->Instance->BRR = (uint32_t)(__DIV_LPUART(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1741 | break; |
mbed_official | 376:cb4d9db17537 | 1742 | case UART_CLOCKSOURCE_LSE: |
mbed_official | 376:cb4d9db17537 | 1743 | huart->Instance->BRR = (uint32_t)(__DIV_LPUART(LSE_VALUE, huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1744 | break; |
mbed_official | 376:cb4d9db17537 | 1745 | default: |
mbed_official | 376:cb4d9db17537 | 1746 | break; |
mbed_official | 376:cb4d9db17537 | 1747 | } |
mbed_official | 376:cb4d9db17537 | 1748 | } |
mbed_official | 376:cb4d9db17537 | 1749 | /* Check the UART Over Sampling 8 to set Baud Rate Register */ |
mbed_official | 376:cb4d9db17537 | 1750 | else if (huart->Init.OverSampling == UART_OVERSAMPLING_8) |
mbed_official | 376:cb4d9db17537 | 1751 | { |
mbed_official | 376:cb4d9db17537 | 1752 | switch (clocksource) |
mbed_official | 376:cb4d9db17537 | 1753 | { |
mbed_official | 376:cb4d9db17537 | 1754 | case UART_CLOCKSOURCE_PCLK1: |
mbed_official | 489:119543c9f674 | 1755 | usartdiv = (uint32_t)(UART_DIV_SAMPLING8(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1756 | break; |
mbed_official | 376:cb4d9db17537 | 1757 | case UART_CLOCKSOURCE_PCLK2: |
mbed_official | 489:119543c9f674 | 1758 | usartdiv = (uint32_t)(UART_DIV_SAMPLING8(HAL_RCC_GetPCLK2Freq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1759 | break; |
mbed_official | 376:cb4d9db17537 | 1760 | case UART_CLOCKSOURCE_HSI: |
mbed_official | 489:119543c9f674 | 1761 | usartdiv = (uint32_t)(UART_DIV_SAMPLING8(HSI_VALUE, huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1762 | break; |
mbed_official | 376:cb4d9db17537 | 1763 | case UART_CLOCKSOURCE_SYSCLK: |
mbed_official | 489:119543c9f674 | 1764 | huart->Instance->BRR = (uint32_t)(UART_DIV_SAMPLING8(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1765 | break; |
mbed_official | 376:cb4d9db17537 | 1766 | case UART_CLOCKSOURCE_LSE: |
mbed_official | 489:119543c9f674 | 1767 | usartdiv = (uint32_t)(UART_DIV_SAMPLING8(LSE_VALUE, huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1768 | break; |
mbed_official | 376:cb4d9db17537 | 1769 | default: |
mbed_official | 376:cb4d9db17537 | 1770 | break; |
mbed_official | 376:cb4d9db17537 | 1771 | } |
mbed_official | 376:cb4d9db17537 | 1772 | |
mbed_official | 376:cb4d9db17537 | 1773 | brrtemp = usartdiv & 0xFFF0; |
mbed_official | 376:cb4d9db17537 | 1774 | brrtemp |= (uint16_t)((uint16_t)(usartdiv & (uint16_t)0x000F) >> (uint16_t)1); |
mbed_official | 376:cb4d9db17537 | 1775 | huart->Instance->BRR = brrtemp; |
mbed_official | 376:cb4d9db17537 | 1776 | } |
mbed_official | 376:cb4d9db17537 | 1777 | else |
mbed_official | 376:cb4d9db17537 | 1778 | { |
mbed_official | 376:cb4d9db17537 | 1779 | switch (clocksource) |
mbed_official | 376:cb4d9db17537 | 1780 | { |
mbed_official | 376:cb4d9db17537 | 1781 | case UART_CLOCKSOURCE_PCLK1: |
mbed_official | 489:119543c9f674 | 1782 | huart->Instance->BRR = (uint32_t)(UART_DIV_SAMPLING16(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1783 | break; |
mbed_official | 376:cb4d9db17537 | 1784 | case UART_CLOCKSOURCE_PCLK2: |
mbed_official | 489:119543c9f674 | 1785 | huart->Instance->BRR = (uint32_t)(UART_DIV_SAMPLING16(HAL_RCC_GetPCLK2Freq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1786 | break; |
mbed_official | 376:cb4d9db17537 | 1787 | case UART_CLOCKSOURCE_HSI: |
mbed_official | 489:119543c9f674 | 1788 | huart->Instance->BRR = (uint32_t)(UART_DIV_SAMPLING16(HSI_VALUE, huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1789 | break; |
mbed_official | 376:cb4d9db17537 | 1790 | case UART_CLOCKSOURCE_SYSCLK: |
mbed_official | 489:119543c9f674 | 1791 | huart->Instance->BRR = (uint32_t)(UART_DIV_SAMPLING16(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1792 | break; |
mbed_official | 376:cb4d9db17537 | 1793 | case UART_CLOCKSOURCE_LSE: |
mbed_official | 489:119543c9f674 | 1794 | huart->Instance->BRR = (uint32_t)(UART_DIV_SAMPLING16(LSE_VALUE, huart->Init.BaudRate)); |
mbed_official | 376:cb4d9db17537 | 1795 | break; |
mbed_official | 376:cb4d9db17537 | 1796 | default: |
mbed_official | 376:cb4d9db17537 | 1797 | break; |
mbed_official | 376:cb4d9db17537 | 1798 | } |
mbed_official | 376:cb4d9db17537 | 1799 | } |
mbed_official | 376:cb4d9db17537 | 1800 | } |
mbed_official | 376:cb4d9db17537 | 1801 | |
mbed_official | 376:cb4d9db17537 | 1802 | /** |
mbed_official | 376:cb4d9db17537 | 1803 | * @brief Check the UART Idle State |
mbed_official | 376:cb4d9db17537 | 1804 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1805 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1806 | */ |
mbed_official | 376:cb4d9db17537 | 1807 | HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1808 | { |
mbed_official | 376:cb4d9db17537 | 1809 | /* Check if the Transmitter is enabled */ |
mbed_official | 376:cb4d9db17537 | 1810 | if((huart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) |
mbed_official | 376:cb4d9db17537 | 1811 | { |
mbed_official | 376:cb4d9db17537 | 1812 | /* Wait until TEACK flag is set */ |
mbed_official | 376:cb4d9db17537 | 1813 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_TEACK, RESET, UART_TIMEOUT_VALUE) != HAL_OK) |
mbed_official | 376:cb4d9db17537 | 1814 | { |
mbed_official | 376:cb4d9db17537 | 1815 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 1816 | } |
mbed_official | 376:cb4d9db17537 | 1817 | } |
mbed_official | 376:cb4d9db17537 | 1818 | /* Check if the Receiver is enabled */ |
mbed_official | 376:cb4d9db17537 | 1819 | if((huart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) |
mbed_official | 376:cb4d9db17537 | 1820 | { |
mbed_official | 376:cb4d9db17537 | 1821 | /* Wait until REACK flag is set */ |
mbed_official | 376:cb4d9db17537 | 1822 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, UART_TIMEOUT_VALUE) != HAL_OK) |
mbed_official | 376:cb4d9db17537 | 1823 | { |
mbed_official | 376:cb4d9db17537 | 1824 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 1825 | } |
mbed_official | 376:cb4d9db17537 | 1826 | } |
mbed_official | 376:cb4d9db17537 | 1827 | |
mbed_official | 376:cb4d9db17537 | 1828 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1829 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1830 | |
mbed_official | 376:cb4d9db17537 | 1831 | /* Initialize the UART state*/ |
mbed_official | 376:cb4d9db17537 | 1832 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 376:cb4d9db17537 | 1833 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1834 | |
mbed_official | 376:cb4d9db17537 | 1835 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1836 | } |
mbed_official | 376:cb4d9db17537 | 1837 | |
mbed_official | 376:cb4d9db17537 | 1838 | /** |
mbed_official | 376:cb4d9db17537 | 1839 | * @brief Configure the UART peripheral advanced feautures |
mbed_official | 376:cb4d9db17537 | 1840 | * @param huart: uart handle |
mbed_official | 376:cb4d9db17537 | 1841 | * @retval None |
mbed_official | 376:cb4d9db17537 | 1842 | */ |
mbed_official | 376:cb4d9db17537 | 1843 | void UART_AdvFeatureConfig(UART_HandleTypeDef *huart) |
mbed_official | 376:cb4d9db17537 | 1844 | { |
mbed_official | 376:cb4d9db17537 | 1845 | /* Check whether the set of advanced features to configure is properly set */ |
mbed_official | 376:cb4d9db17537 | 1846 | assert_param(IS_UART_ADVFEATURE_INIT(huart->AdvancedInit.AdvFeatureInit)); |
mbed_official | 376:cb4d9db17537 | 1847 | |
mbed_official | 376:cb4d9db17537 | 1848 | /* if required, configure TX pin active level inversion */ |
mbed_official | 376:cb4d9db17537 | 1849 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_TXINVERT_INIT)) |
mbed_official | 376:cb4d9db17537 | 1850 | { |
mbed_official | 376:cb4d9db17537 | 1851 | assert_param(IS_UART_ADVFEATURE_TXINV(huart->AdvancedInit.TxPinLevelInvert)); |
mbed_official | 376:cb4d9db17537 | 1852 | MODIFY_REG(huart->Instance->CR2, USART_CR2_TXINV, huart->AdvancedInit.TxPinLevelInvert); |
mbed_official | 376:cb4d9db17537 | 1853 | } |
mbed_official | 376:cb4d9db17537 | 1854 | |
mbed_official | 376:cb4d9db17537 | 1855 | /* if required, configure RX pin active level inversion */ |
mbed_official | 376:cb4d9db17537 | 1856 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_RXINVERT_INIT)) |
mbed_official | 376:cb4d9db17537 | 1857 | { |
mbed_official | 376:cb4d9db17537 | 1858 | assert_param(IS_UART_ADVFEATURE_RXINV(huart->AdvancedInit.RxPinLevelInvert)); |
mbed_official | 376:cb4d9db17537 | 1859 | MODIFY_REG(huart->Instance->CR2, USART_CR2_RXINV, huart->AdvancedInit.RxPinLevelInvert); |
mbed_official | 376:cb4d9db17537 | 1860 | } |
mbed_official | 376:cb4d9db17537 | 1861 | |
mbed_official | 376:cb4d9db17537 | 1862 | /* if required, configure data inversion */ |
mbed_official | 376:cb4d9db17537 | 1863 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_DATAINVERT_INIT)) |
mbed_official | 376:cb4d9db17537 | 1864 | { |
mbed_official | 376:cb4d9db17537 | 1865 | assert_param(IS_UART_ADVFEATURE_DATAINV(huart->AdvancedInit.DataInvert)); |
mbed_official | 376:cb4d9db17537 | 1866 | MODIFY_REG(huart->Instance->CR2, USART_CR2_DATAINV, huart->AdvancedInit.DataInvert); |
mbed_official | 376:cb4d9db17537 | 1867 | } |
mbed_official | 376:cb4d9db17537 | 1868 | |
mbed_official | 376:cb4d9db17537 | 1869 | /* if required, configure RX/TX pins swap */ |
mbed_official | 376:cb4d9db17537 | 1870 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_SWAP_INIT)) |
mbed_official | 376:cb4d9db17537 | 1871 | { |
mbed_official | 376:cb4d9db17537 | 1872 | assert_param(IS_UART_ADVFEATURE_SWAP(huart->AdvancedInit.Swap)); |
mbed_official | 376:cb4d9db17537 | 1873 | MODIFY_REG(huart->Instance->CR2, USART_CR2_SWAP, huart->AdvancedInit.Swap); |
mbed_official | 376:cb4d9db17537 | 1874 | } |
mbed_official | 376:cb4d9db17537 | 1875 | |
mbed_official | 376:cb4d9db17537 | 1876 | /* if required, configure RX overrun detection disabling */ |
mbed_official | 376:cb4d9db17537 | 1877 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_RXOVERRUNDISABLE_INIT)) |
mbed_official | 376:cb4d9db17537 | 1878 | { |
mbed_official | 376:cb4d9db17537 | 1879 | assert_param(IS_UART_OVERRUN(huart->AdvancedInit.OverrunDisable)); |
mbed_official | 376:cb4d9db17537 | 1880 | MODIFY_REG(huart->Instance->CR3, USART_CR3_OVRDIS, huart->AdvancedInit.OverrunDisable); |
mbed_official | 376:cb4d9db17537 | 1881 | } |
mbed_official | 376:cb4d9db17537 | 1882 | |
mbed_official | 376:cb4d9db17537 | 1883 | /* if required, configure DMA disabling on reception error */ |
mbed_official | 376:cb4d9db17537 | 1884 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_DMADISABLEONERROR_INIT)) |
mbed_official | 376:cb4d9db17537 | 1885 | { |
mbed_official | 376:cb4d9db17537 | 1886 | assert_param(IS_UART_ADVFEATURE_DMAONRXERROR(huart->AdvancedInit.DMADisableonRxError)); |
mbed_official | 376:cb4d9db17537 | 1887 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DDRE, huart->AdvancedInit.DMADisableonRxError); |
mbed_official | 376:cb4d9db17537 | 1888 | } |
mbed_official | 376:cb4d9db17537 | 1889 | |
mbed_official | 376:cb4d9db17537 | 1890 | /* if required, configure auto Baud rate detection scheme */ |
mbed_official | 376:cb4d9db17537 | 1891 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_AUTOBAUDRATE_INIT)) |
mbed_official | 376:cb4d9db17537 | 1892 | { |
mbed_official | 489:119543c9f674 | 1893 | assert_param(IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(huart->Instance)); |
mbed_official | 376:cb4d9db17537 | 1894 | assert_param(IS_UART_ADVFEATURE_AUTOBAUDRATE(huart->AdvancedInit.AutoBaudRateEnable)); |
mbed_official | 376:cb4d9db17537 | 1895 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ABREN, huart->AdvancedInit.AutoBaudRateEnable); |
mbed_official | 376:cb4d9db17537 | 1896 | /* set auto Baudrate detection parameters if detection is enabled */ |
mbed_official | 376:cb4d9db17537 | 1897 | if(huart->AdvancedInit.AutoBaudRateEnable == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE) |
mbed_official | 376:cb4d9db17537 | 1898 | { |
mbed_official | 376:cb4d9db17537 | 1899 | assert_param(IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(huart->AdvancedInit.AutoBaudRateMode)); |
mbed_official | 376:cb4d9db17537 | 1900 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ABRMODE, huart->AdvancedInit.AutoBaudRateMode); |
mbed_official | 376:cb4d9db17537 | 1901 | } |
mbed_official | 376:cb4d9db17537 | 1902 | } |
mbed_official | 376:cb4d9db17537 | 1903 | |
mbed_official | 376:cb4d9db17537 | 1904 | /* if required, configure MSB first on communication line */ |
mbed_official | 376:cb4d9db17537 | 1905 | if(HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_MSBFIRST_INIT)) |
mbed_official | 376:cb4d9db17537 | 1906 | { |
mbed_official | 376:cb4d9db17537 | 1907 | assert_param(IS_UART_ADVFEATURE_MSBFIRST(huart->AdvancedInit.MSBFirst)); |
mbed_official | 376:cb4d9db17537 | 1908 | MODIFY_REG(huart->Instance->CR2, USART_CR2_MSBFIRST, huart->AdvancedInit.MSBFirst); |
mbed_official | 376:cb4d9db17537 | 1909 | } |
mbed_official | 376:cb4d9db17537 | 1910 | } |
mbed_official | 376:cb4d9db17537 | 1911 | |
mbed_official | 376:cb4d9db17537 | 1912 | /** |
mbed_official | 376:cb4d9db17537 | 1913 | * @brief This function handles UART Communication Timeout. |
mbed_official | 376:cb4d9db17537 | 1914 | * @param huart: UART handle |
mbed_official | 376:cb4d9db17537 | 1915 | * @param Flag: specifies the UART flag to check. |
mbed_official | 376:cb4d9db17537 | 1916 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 376:cb4d9db17537 | 1917 | * @param Timeout: Timeout duration |
mbed_official | 376:cb4d9db17537 | 1918 | * @retval HAL status |
mbed_official | 376:cb4d9db17537 | 1919 | */ |
mbed_official | 376:cb4d9db17537 | 1920 | HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 376:cb4d9db17537 | 1921 | { |
mbed_official | 376:cb4d9db17537 | 1922 | uint32_t tickstart = 0x00; |
mbed_official | 376:cb4d9db17537 | 1923 | tickstart = HAL_GetTick(); |
mbed_official | 376:cb4d9db17537 | 1924 | |
mbed_official | 376:cb4d9db17537 | 1925 | /* Wait until flag is set */ |
mbed_official | 376:cb4d9db17537 | 1926 | if(Status == RESET) |
mbed_official | 489:119543c9f674 | 1927 | { |
mbed_official | 376:cb4d9db17537 | 1928 | while(__HAL_UART_GET_FLAG(huart, Flag) == RESET) |
mbed_official | 376:cb4d9db17537 | 1929 | { |
mbed_official | 376:cb4d9db17537 | 1930 | /* Check for the Timeout */ |
mbed_official | 376:cb4d9db17537 | 1931 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 376:cb4d9db17537 | 1932 | { |
mbed_official | 376:cb4d9db17537 | 1933 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 376:cb4d9db17537 | 1934 | { |
mbed_official | 376:cb4d9db17537 | 1935 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 376:cb4d9db17537 | 1936 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
mbed_official | 376:cb4d9db17537 | 1937 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 376:cb4d9db17537 | 1938 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
mbed_official | 376:cb4d9db17537 | 1939 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 376:cb4d9db17537 | 1940 | |
mbed_official | 489:119543c9f674 | 1941 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1942 | |
mbed_official | 376:cb4d9db17537 | 1943 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1944 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1945 | |
mbed_official | 376:cb4d9db17537 | 1946 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 1947 | } |
mbed_official | 376:cb4d9db17537 | 1948 | } |
mbed_official | 376:cb4d9db17537 | 1949 | } |
mbed_official | 376:cb4d9db17537 | 1950 | } |
mbed_official | 376:cb4d9db17537 | 1951 | else |
mbed_official | 376:cb4d9db17537 | 1952 | { |
mbed_official | 376:cb4d9db17537 | 1953 | while(__HAL_UART_GET_FLAG(huart, Flag) != RESET) |
mbed_official | 376:cb4d9db17537 | 1954 | { |
mbed_official | 376:cb4d9db17537 | 1955 | /* Check for the Timeout */ |
mbed_official | 376:cb4d9db17537 | 1956 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 376:cb4d9db17537 | 1957 | { |
mbed_official | 376:cb4d9db17537 | 1958 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 376:cb4d9db17537 | 1959 | { |
mbed_official | 376:cb4d9db17537 | 1960 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 376:cb4d9db17537 | 1961 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
mbed_official | 376:cb4d9db17537 | 1962 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 376:cb4d9db17537 | 1963 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
mbed_official | 376:cb4d9db17537 | 1964 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 376:cb4d9db17537 | 1965 | |
mbed_official | 489:119543c9f674 | 1966 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 376:cb4d9db17537 | 1967 | |
mbed_official | 376:cb4d9db17537 | 1968 | /* Process Unlocked */ |
mbed_official | 376:cb4d9db17537 | 1969 | __HAL_UNLOCK(huart); |
mbed_official | 376:cb4d9db17537 | 1970 | |
mbed_official | 376:cb4d9db17537 | 1971 | return HAL_TIMEOUT; |
mbed_official | 376:cb4d9db17537 | 1972 | } |
mbed_official | 376:cb4d9db17537 | 1973 | } |
mbed_official | 376:cb4d9db17537 | 1974 | } |
mbed_official | 376:cb4d9db17537 | 1975 | } |
mbed_official | 376:cb4d9db17537 | 1976 | return HAL_OK; |
mbed_official | 376:cb4d9db17537 | 1977 | } |
mbed_official | 376:cb4d9db17537 | 1978 | |
mbed_official | 376:cb4d9db17537 | 1979 | /** |
mbed_official | 376:cb4d9db17537 | 1980 | * @} |
mbed_official | 376:cb4d9db17537 | 1981 | */ |
mbed_official | 376:cb4d9db17537 | 1982 | |
mbed_official | 376:cb4d9db17537 | 1983 | #endif /* HAL_UART_MODULE_ENABLED */ |
mbed_official | 376:cb4d9db17537 | 1984 | /** |
mbed_official | 376:cb4d9db17537 | 1985 | * @} |
mbed_official | 376:cb4d9db17537 | 1986 | */ |
mbed_official | 376:cb4d9db17537 | 1987 | |
mbed_official | 376:cb4d9db17537 | 1988 | /** |
mbed_official | 376:cb4d9db17537 | 1989 | * @} |
mbed_official | 376:cb4d9db17537 | 1990 | */ |
mbed_official | 376:cb4d9db17537 | 1991 | |
mbed_official | 376:cb4d9db17537 | 1992 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
mbed_official | 489:119543c9f674 | 1993 |