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targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_uart.c@441:d2c15dda23c1, 2015-01-06 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Jan 06 16:15:36 2015 +0000
- Revision:
- 441:d2c15dda23c1
- Parent:
- 392:2b59412bb664
Synchronized with git revision 245a60b29caabb42eabdd19658eeac7c3f68313b
Full URL: https://github.com/mbedmicro/mbed/commit/245a60b29caabb42eabdd19658eeac7c3f68313b/
NUCLEO_F072RB/F091RC - adding target to rtos lib and exporter for coide and gcc_arm
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 340:28d1f895c6fe | 1 | /** |
mbed_official | 340:28d1f895c6fe | 2 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 3 | * @file stm32f0xx_hal_uart.c |
mbed_official | 340:28d1f895c6fe | 4 | * @author MCD Application Team |
mbed_official | 441:d2c15dda23c1 | 5 | * @version V1.2.0 |
mbed_official | 441:d2c15dda23c1 | 6 | * @date 11-December-2014 |
mbed_official | 340:28d1f895c6fe | 7 | * @brief UART HAL module driver. |
mbed_official | 340:28d1f895c6fe | 8 | * This file provides firmware functions to manage the following |
mbed_official | 340:28d1f895c6fe | 9 | * functionalities of the Universal Asynchronous Receiver Transmitter (UART) peripheral: |
mbed_official | 340:28d1f895c6fe | 10 | * + Initialization and de-initialization functions |
mbed_official | 340:28d1f895c6fe | 11 | * + IO operation functions |
mbed_official | 340:28d1f895c6fe | 12 | * + Peripheral Control functions |
mbed_official | 340:28d1f895c6fe | 13 | * + Peripheral State and Errors functions |
mbed_official | 340:28d1f895c6fe | 14 | @verbatim |
mbed_official | 340:28d1f895c6fe | 15 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 16 | ##### How to use this driver ##### |
mbed_official | 340:28d1f895c6fe | 17 | ================================================================================ |
mbed_official | 340:28d1f895c6fe | 18 | [..] |
mbed_official | 340:28d1f895c6fe | 19 | The UART HAL driver can be used as follows: |
mbed_official | 340:28d1f895c6fe | 20 | |
mbed_official | 340:28d1f895c6fe | 21 | (#) Declare a UART_HandleTypeDef handle structure. |
mbed_official | 340:28d1f895c6fe | 22 | |
mbed_official | 340:28d1f895c6fe | 23 | (#) Initialize the UART low level resources by implementing the HAL_UART_MspInit ()API: |
mbed_official | 340:28d1f895c6fe | 24 | (##) Enable the USARTx interface clock. |
mbed_official | 340:28d1f895c6fe | 25 | (##) UART pins configuration: |
mbed_official | 340:28d1f895c6fe | 26 | (+++) Enable the clock for the UART GPIOs. |
mbed_official | 340:28d1f895c6fe | 27 | (+++) Configure these UART pins as alternate function pull-up. |
mbed_official | 340:28d1f895c6fe | 28 | (##) NVIC configuration if you need to use interrupt process (HAL_UART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 29 | and HAL_UART_Receive_IT() APIs): |
mbed_official | 340:28d1f895c6fe | 30 | (+++) Configure the USARTx interrupt priority. |
mbed_official | 340:28d1f895c6fe | 31 | (+++) Enable the NVIC USART IRQ handle. |
mbed_official | 340:28d1f895c6fe | 32 | (##) DMA Configuration if you need to use DMA process (HAL_UART_Transmit_DMA() |
mbed_official | 340:28d1f895c6fe | 33 | and HAL_UART_Receive_DMA() APIs): |
mbed_official | 340:28d1f895c6fe | 34 | (+++) Declare a DMA handle structure for the Tx/Rx channel. |
mbed_official | 340:28d1f895c6fe | 35 | (+++) Enable the DMAx interface clock. |
mbed_official | 340:28d1f895c6fe | 36 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
mbed_official | 340:28d1f895c6fe | 37 | (+++) Configure the DMA Tx/Rx channel. |
mbed_official | 340:28d1f895c6fe | 38 | (+++) Associate the initilalized DMA handle to the UART DMA Tx/Rx handle. |
mbed_official | 340:28d1f895c6fe | 39 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. |
mbed_official | 340:28d1f895c6fe | 40 | |
mbed_official | 340:28d1f895c6fe | 41 | (#) Program the Baud Rate, Word Length , Stop Bit, Parity, Hardware |
mbed_official | 340:28d1f895c6fe | 42 | flow control and Mode(Receiver/Transmitter) in the huart Init structure. |
mbed_official | 340:28d1f895c6fe | 43 | |
mbed_official | 340:28d1f895c6fe | 44 | (#) If required, program UART advanced features (TX/RX pins swap, auto Baud rate detection,...) |
mbed_official | 340:28d1f895c6fe | 45 | in the huart AdvancedInit structure. |
mbed_official | 340:28d1f895c6fe | 46 | |
mbed_official | 340:28d1f895c6fe | 47 | (#) For the UART asynchronous mode, initialize the UART registers by calling |
mbed_official | 340:28d1f895c6fe | 48 | the HAL_UART_Init() API. |
mbed_official | 340:28d1f895c6fe | 49 | |
mbed_official | 340:28d1f895c6fe | 50 | (#) For the UART Half duplex mode, initialize the UART registers by calling |
mbed_official | 340:28d1f895c6fe | 51 | the HAL_HalfDuplex_Init() API. |
mbed_official | 340:28d1f895c6fe | 52 | |
mbed_official | 340:28d1f895c6fe | 53 | (#) For the UART Multiprocessor mode, initialize the UART registers |
mbed_official | 340:28d1f895c6fe | 54 | by calling the HAL_MultiProcessor_Init() API. |
mbed_official | 340:28d1f895c6fe | 55 | |
mbed_official | 340:28d1f895c6fe | 56 | (#) For the UART RS485 Driver Enabled mode, initialize the UART registers |
mbed_official | 340:28d1f895c6fe | 57 | by calling the HAL_RS485Ex_Init() API. |
mbed_official | 340:28d1f895c6fe | 58 | |
mbed_official | 340:28d1f895c6fe | 59 | [..] |
mbed_official | 340:28d1f895c6fe | 60 | (@) The specific UART interrupts (Transmission complete interrupt, |
mbed_official | 340:28d1f895c6fe | 61 | RXNE interrupt and Error Interrupts) will be managed using the macros |
mbed_official | 340:28d1f895c6fe | 62 | __HAL_UART_ENABLE_IT() and __HAL_UART_DISABLE_IT() inside the transmit and receive process. |
mbed_official | 340:28d1f895c6fe | 63 | |
mbed_official | 340:28d1f895c6fe | 64 | [..] |
mbed_official | 340:28d1f895c6fe | 65 | (@) These APIs(HAL_UART_Init(), HAL_HalfDuplex_Init(), HAL_MultiProcessor_Init(), |
mbed_official | 340:28d1f895c6fe | 66 | also configure also the low level Hardware GPIO, CLOCK, CORTEX...etc) by |
mbed_official | 340:28d1f895c6fe | 67 | calling the customed HAL_UART_MspInit() API. |
mbed_official | 340:28d1f895c6fe | 68 | |
mbed_official | 340:28d1f895c6fe | 69 | Three operation modes are available within this driver : |
mbed_official | 340:28d1f895c6fe | 70 | |
mbed_official | 340:28d1f895c6fe | 71 | *** Polling mode IO operation *** |
mbed_official | 340:28d1f895c6fe | 72 | ================================= |
mbed_official | 340:28d1f895c6fe | 73 | [..] |
mbed_official | 340:28d1f895c6fe | 74 | (+) Send an amount of data in blocking mode using HAL_UART_Transmit() |
mbed_official | 340:28d1f895c6fe | 75 | (+) Receive an amount of data in blocking mode using HAL_UART_Receive() |
mbed_official | 340:28d1f895c6fe | 76 | |
mbed_official | 340:28d1f895c6fe | 77 | *** Interrupt mode IO operation *** |
mbed_official | 340:28d1f895c6fe | 78 | =================================== |
mbed_official | 340:28d1f895c6fe | 79 | [..] |
mbed_official | 340:28d1f895c6fe | 80 | (+) Send an amount of data in non blocking mode using HAL_UART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 81 | (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 82 | add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 83 | (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 84 | add his own code by customization of function pointer HAL_UART_TxCpltCallback |
mbed_official | 340:28d1f895c6fe | 85 | (+) Receive an amount of data in non blocking mode using HAL_UART_Receive_IT() |
mbed_official | 340:28d1f895c6fe | 86 | (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 87 | add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 88 | (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 89 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
mbed_official | 340:28d1f895c6fe | 90 | (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can |
mbed_official | 340:28d1f895c6fe | 91 | add his own code by customization of function pointer HAL_UART_ErrorCallback |
mbed_official | 340:28d1f895c6fe | 92 | |
mbed_official | 340:28d1f895c6fe | 93 | *** DMA mode IO operation *** |
mbed_official | 340:28d1f895c6fe | 94 | ============================== |
mbed_official | 340:28d1f895c6fe | 95 | [..] |
mbed_official | 340:28d1f895c6fe | 96 | (+) Send an amount of data in non blocking mode (DMA) using HAL_UART_Transmit_DMA() |
mbed_official | 340:28d1f895c6fe | 97 | (+) At transmission end of half transfer HAL_UART_TxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 98 | add his own code by customization of function pointer HAL_UART_TxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 99 | (+) At transmission end of transfer HAL_UART_TxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 100 | add his own code by customization of function pointer HAL_UART_TxCpltCallback |
mbed_official | 340:28d1f895c6fe | 101 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_UART_Receive_DMA() |
mbed_official | 340:28d1f895c6fe | 102 | (+) At reception end of half transfer HAL_UART_RxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 103 | add his own code by customization of function pointer HAL_UART_RxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 104 | (+) At reception end of transfer HAL_UART_RxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 105 | add his own code by customization of function pointer HAL_UART_RxCpltCallback |
mbed_official | 340:28d1f895c6fe | 106 | (+) In case of transfer Error, HAL_UART_ErrorCallback() function is executed and user can |
mbed_official | 340:28d1f895c6fe | 107 | add his own code by customization of function pointer HAL_UART_ErrorCallback |
mbed_official | 340:28d1f895c6fe | 108 | (+) Pause the DMA Transfer using HAL_UART_DMAPause() |
mbed_official | 340:28d1f895c6fe | 109 | (+) Resume the DMA Transfer using HAL_UART_DMAResume() |
mbed_official | 340:28d1f895c6fe | 110 | (+) Stop the DMA Transfer using HAL_UART_DMAStop() |
mbed_official | 340:28d1f895c6fe | 111 | |
mbed_official | 340:28d1f895c6fe | 112 | *** UART HAL driver macros list *** |
mbed_official | 340:28d1f895c6fe | 113 | ============================================= |
mbed_official | 340:28d1f895c6fe | 114 | [..] |
mbed_official | 340:28d1f895c6fe | 115 | Below the list of most used macros in UART HAL driver. |
mbed_official | 340:28d1f895c6fe | 116 | |
mbed_official | 340:28d1f895c6fe | 117 | (+) __HAL_UART_ENABLE: Enable the UART peripheral |
mbed_official | 340:28d1f895c6fe | 118 | (+) __HAL_UART_DISABLE: Disable the UART peripheral |
mbed_official | 340:28d1f895c6fe | 119 | (+) __HAL_UART_GET_FLAG : Check whether the specified UART flag is set or not |
mbed_official | 340:28d1f895c6fe | 120 | (+) __HAL_UART_CLEAR_FLAG : Clear the specified UART pending flag |
mbed_official | 340:28d1f895c6fe | 121 | (+) __HAL_UART_ENABLE_IT: Enable the specified UART interrupt |
mbed_official | 340:28d1f895c6fe | 122 | (+) __HAL_UART_DISABLE_IT: Disable the specified UART interrupt |
mbed_official | 340:28d1f895c6fe | 123 | |
mbed_official | 340:28d1f895c6fe | 124 | [..] |
mbed_official | 340:28d1f895c6fe | 125 | (@) You can refer to the UART HAL driver header file for more useful macros |
mbed_official | 340:28d1f895c6fe | 126 | |
mbed_official | 340:28d1f895c6fe | 127 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 128 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 129 | * @attention |
mbed_official | 340:28d1f895c6fe | 130 | * |
mbed_official | 340:28d1f895c6fe | 131 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 340:28d1f895c6fe | 132 | * |
mbed_official | 340:28d1f895c6fe | 133 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 340:28d1f895c6fe | 134 | * are permitted provided that the following conditions are met: |
mbed_official | 340:28d1f895c6fe | 135 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 136 | * this list of conditions and the following disclaimer. |
mbed_official | 340:28d1f895c6fe | 137 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 138 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 340:28d1f895c6fe | 139 | * and/or other materials provided with the distribution. |
mbed_official | 340:28d1f895c6fe | 140 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 340:28d1f895c6fe | 141 | * may be used to endorse or promote products derived from this software |
mbed_official | 340:28d1f895c6fe | 142 | * without specific prior written permission. |
mbed_official | 340:28d1f895c6fe | 143 | * |
mbed_official | 340:28d1f895c6fe | 144 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 340:28d1f895c6fe | 145 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 340:28d1f895c6fe | 146 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 340:28d1f895c6fe | 147 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 340:28d1f895c6fe | 148 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 340:28d1f895c6fe | 149 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 340:28d1f895c6fe | 150 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 340:28d1f895c6fe | 151 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 340:28d1f895c6fe | 152 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 340:28d1f895c6fe | 153 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 340:28d1f895c6fe | 154 | * |
mbed_official | 340:28d1f895c6fe | 155 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 156 | */ |
mbed_official | 340:28d1f895c6fe | 157 | |
mbed_official | 340:28d1f895c6fe | 158 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 159 | #include "stm32f0xx_hal.h" |
mbed_official | 340:28d1f895c6fe | 160 | |
mbed_official | 340:28d1f895c6fe | 161 | /** @addtogroup STM32F0xx_HAL_Driver |
mbed_official | 340:28d1f895c6fe | 162 | * @{ |
mbed_official | 340:28d1f895c6fe | 163 | */ |
mbed_official | 340:28d1f895c6fe | 164 | |
mbed_official | 340:28d1f895c6fe | 165 | /** @defgroup UART UART HAL module driver |
mbed_official | 340:28d1f895c6fe | 166 | * @brief HAL UART module driver |
mbed_official | 340:28d1f895c6fe | 167 | * @{ |
mbed_official | 340:28d1f895c6fe | 168 | */ |
mbed_official | 340:28d1f895c6fe | 169 | #ifdef HAL_UART_MODULE_ENABLED |
mbed_official | 340:28d1f895c6fe | 170 | |
mbed_official | 340:28d1f895c6fe | 171 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 172 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 173 | /** @defgroup UART_Private_Constants UART Private Constants |
mbed_official | 340:28d1f895c6fe | 174 | * @{ |
mbed_official | 340:28d1f895c6fe | 175 | */ |
mbed_official | 340:28d1f895c6fe | 176 | #define HAL_UART_TXDMA_TIMEOUTVALUE 22000 |
mbed_official | 340:28d1f895c6fe | 177 | #define UART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ |
mbed_official | 340:28d1f895c6fe | 178 | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) |
mbed_official | 340:28d1f895c6fe | 179 | /** |
mbed_official | 340:28d1f895c6fe | 180 | * @} |
mbed_official | 340:28d1f895c6fe | 181 | */ |
mbed_official | 340:28d1f895c6fe | 182 | |
mbed_official | 340:28d1f895c6fe | 183 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 184 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 185 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 186 | /** @addtogroup UART_Private_Functions UART Private Functions |
mbed_official | 340:28d1f895c6fe | 187 | * @{ |
mbed_official | 340:28d1f895c6fe | 188 | */ |
mbed_official | 340:28d1f895c6fe | 189 | static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 190 | static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 191 | static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 192 | static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 193 | static void UART_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 194 | /** |
mbed_official | 340:28d1f895c6fe | 195 | * @} |
mbed_official | 340:28d1f895c6fe | 196 | */ |
mbed_official | 340:28d1f895c6fe | 197 | |
mbed_official | 340:28d1f895c6fe | 198 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 199 | |
mbed_official | 340:28d1f895c6fe | 200 | /** @defgroup UART_Exported_Functions UART Exported Functions |
mbed_official | 340:28d1f895c6fe | 201 | * @{ |
mbed_official | 340:28d1f895c6fe | 202 | */ |
mbed_official | 340:28d1f895c6fe | 203 | |
mbed_official | 340:28d1f895c6fe | 204 | /** @defgroup UART_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 340:28d1f895c6fe | 205 | * @brief Initialization and Configuration functions |
mbed_official | 340:28d1f895c6fe | 206 | * |
mbed_official | 340:28d1f895c6fe | 207 | @verbatim |
mbed_official | 340:28d1f895c6fe | 208 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 209 | ##### Initialization and Configuration functions ##### |
mbed_official | 340:28d1f895c6fe | 210 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 211 | [..] |
mbed_official | 340:28d1f895c6fe | 212 | This subsection provides a set of functions allowing to initialize the USARTx or the UARTy |
mbed_official | 340:28d1f895c6fe | 213 | in asynchronous mode. |
mbed_official | 340:28d1f895c6fe | 214 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 340:28d1f895c6fe | 215 | (++) Baud Rate |
mbed_official | 340:28d1f895c6fe | 216 | (++) Word Length |
mbed_official | 340:28d1f895c6fe | 217 | (++) Stop Bit |
mbed_official | 340:28d1f895c6fe | 218 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 340:28d1f895c6fe | 219 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 340:28d1f895c6fe | 220 | Depending on the frame length defined by the M bit (8-bits or 9-bits), |
mbed_official | 340:28d1f895c6fe | 221 | the possible UART frame formats are as listed in the following table: |
mbed_official | 340:28d1f895c6fe | 222 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 223 | | M1M0 bits | PCE bit | UART frame | |
mbed_official | 340:28d1f895c6fe | 224 | |-----------------------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 225 | | 00 | 0 | | SB | 8-bit data | STB | | |
mbed_official | 340:28d1f895c6fe | 226 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 227 | | 00 | 1 | | SB | 7-bit data | PB | STB | | |
mbed_official | 340:28d1f895c6fe | 228 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 229 | | 01 | 0 | | SB | 9-bit data | STB | | |
mbed_official | 340:28d1f895c6fe | 230 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 231 | | 01 | 1 | | SB | 8-bit data | PB | STB | | |
mbed_official | 340:28d1f895c6fe | 232 | +---------------------------------------------------------------+ |
mbed_official | 340:28d1f895c6fe | 233 | | 10 | 0 | | SB | 7-bit data | STB | | |
mbed_official | 340:28d1f895c6fe | 234 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 235 | | 10 | 1 | | SB | 6-bit data | PB | STB | | |
mbed_official | 340:28d1f895c6fe | 236 | +---------------------------------------------------------------+ |
mbed_official | 340:28d1f895c6fe | 237 | (++) Hardware flow control |
mbed_official | 340:28d1f895c6fe | 238 | (++) Receiver/transmitter modes |
mbed_official | 340:28d1f895c6fe | 239 | (++) Over Sampling Method |
mbed_official | 340:28d1f895c6fe | 240 | (++) One-Bit Sampling Method |
mbed_official | 340:28d1f895c6fe | 241 | (+) For the asynchronous mode, the following advanced features can be configured as well: |
mbed_official | 340:28d1f895c6fe | 242 | (++) TX and/or RX pin level inversion |
mbed_official | 340:28d1f895c6fe | 243 | (++) data logical level inversion |
mbed_official | 340:28d1f895c6fe | 244 | (++) RX and TX pins swap |
mbed_official | 340:28d1f895c6fe | 245 | (++) RX overrun detection disabling |
mbed_official | 340:28d1f895c6fe | 246 | (++) DMA disabling on RX error |
mbed_official | 340:28d1f895c6fe | 247 | (++) MSB first on communication line |
mbed_official | 340:28d1f895c6fe | 248 | (++) auto Baud rate detection |
mbed_official | 340:28d1f895c6fe | 249 | [..] |
mbed_official | 340:28d1f895c6fe | 250 | The HAL_UART_Init(), HAL_HalfDuplex_Init() and HAL_MultiProcessor_Init() |
mbed_official | 340:28d1f895c6fe | 251 | API follow respectively the UART asynchronous, UART Half duplex and multiprocessor |
mbed_official | 340:28d1f895c6fe | 252 | configuration procedures (details for the procedures are available in reference manual). |
mbed_official | 340:28d1f895c6fe | 253 | |
mbed_official | 340:28d1f895c6fe | 254 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 255 | * @{ |
mbed_official | 340:28d1f895c6fe | 256 | */ |
mbed_official | 340:28d1f895c6fe | 257 | |
mbed_official | 340:28d1f895c6fe | 258 | /** |
mbed_official | 340:28d1f895c6fe | 259 | * @brief Initializes the UART mode according to the specified |
mbed_official | 340:28d1f895c6fe | 260 | * parameters in the UART_InitTypeDef and creates the associated handle . |
mbed_official | 340:28d1f895c6fe | 261 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 262 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 263 | */ |
mbed_official | 340:28d1f895c6fe | 264 | HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 265 | { |
mbed_official | 340:28d1f895c6fe | 266 | /* Check the UART handle allocation */ |
mbed_official | 441:d2c15dda23c1 | 267 | if(huart == NULL) |
mbed_official | 340:28d1f895c6fe | 268 | { |
mbed_official | 340:28d1f895c6fe | 269 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 270 | } |
mbed_official | 340:28d1f895c6fe | 271 | |
mbed_official | 340:28d1f895c6fe | 272 | if(huart->Init.HwFlowCtl != UART_HWCONTROL_NONE) |
mbed_official | 340:28d1f895c6fe | 273 | { |
mbed_official | 340:28d1f895c6fe | 274 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 275 | assert_param(IS_UART_HWFLOW_INSTANCE(huart->Instance)); |
mbed_official | 340:28d1f895c6fe | 276 | } |
mbed_official | 340:28d1f895c6fe | 277 | else |
mbed_official | 340:28d1f895c6fe | 278 | { |
mbed_official | 340:28d1f895c6fe | 279 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 280 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
mbed_official | 340:28d1f895c6fe | 281 | } |
mbed_official | 340:28d1f895c6fe | 282 | |
mbed_official | 340:28d1f895c6fe | 283 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 340:28d1f895c6fe | 284 | { |
mbed_official | 340:28d1f895c6fe | 285 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 340:28d1f895c6fe | 286 | HAL_UART_MspInit(huart); |
mbed_official | 340:28d1f895c6fe | 287 | } |
mbed_official | 340:28d1f895c6fe | 288 | |
mbed_official | 340:28d1f895c6fe | 289 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 290 | |
mbed_official | 340:28d1f895c6fe | 291 | /* Disable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 292 | __HAL_UART_DISABLE(huart); |
mbed_official | 340:28d1f895c6fe | 293 | |
mbed_official | 340:28d1f895c6fe | 294 | /* Set the UART Communication parameters */ |
mbed_official | 340:28d1f895c6fe | 295 | if (UART_SetConfig(huart) == HAL_ERROR) |
mbed_official | 340:28d1f895c6fe | 296 | { |
mbed_official | 340:28d1f895c6fe | 297 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 298 | } |
mbed_official | 340:28d1f895c6fe | 299 | |
mbed_official | 340:28d1f895c6fe | 300 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 340:28d1f895c6fe | 301 | { |
mbed_official | 340:28d1f895c6fe | 302 | UART_AdvFeatureConfig(huart); |
mbed_official | 340:28d1f895c6fe | 303 | } |
mbed_official | 340:28d1f895c6fe | 304 | |
mbed_official | 340:28d1f895c6fe | 305 | /* In asynchronous mode, the following bits must be kept cleared: |
mbed_official | 340:28d1f895c6fe | 306 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 340:28d1f895c6fe | 307 | - SCEN, HDSEL and IREN bits in the USART_CR3 register.*/ |
mbed_official | 340:28d1f895c6fe | 308 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
mbed_official | 340:28d1f895c6fe | 309 | huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 340:28d1f895c6fe | 310 | |
mbed_official | 340:28d1f895c6fe | 311 | /* Enable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 312 | __HAL_UART_ENABLE(huart); |
mbed_official | 340:28d1f895c6fe | 313 | |
mbed_official | 340:28d1f895c6fe | 314 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 340:28d1f895c6fe | 315 | return (UART_CheckIdleState(huart)); |
mbed_official | 340:28d1f895c6fe | 316 | } |
mbed_official | 340:28d1f895c6fe | 317 | |
mbed_official | 340:28d1f895c6fe | 318 | /** |
mbed_official | 340:28d1f895c6fe | 319 | * @brief Initializes the half-duplex mode according to the specified |
mbed_official | 340:28d1f895c6fe | 320 | * parameters in the UART_InitTypeDef and creates the associated handle . |
mbed_official | 340:28d1f895c6fe | 321 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 322 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 323 | */ |
mbed_official | 340:28d1f895c6fe | 324 | HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 325 | { |
mbed_official | 340:28d1f895c6fe | 326 | /* Check the UART handle allocation */ |
mbed_official | 441:d2c15dda23c1 | 327 | if(huart == NULL) |
mbed_official | 340:28d1f895c6fe | 328 | { |
mbed_official | 340:28d1f895c6fe | 329 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 330 | } |
mbed_official | 340:28d1f895c6fe | 331 | |
mbed_official | 340:28d1f895c6fe | 332 | /* Check UART instance */ |
mbed_official | 340:28d1f895c6fe | 333 | assert_param(IS_UART_HALFDUPLEX_INSTANCE(huart->Instance)); |
mbed_official | 340:28d1f895c6fe | 334 | |
mbed_official | 340:28d1f895c6fe | 335 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 340:28d1f895c6fe | 336 | { |
mbed_official | 340:28d1f895c6fe | 337 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 340:28d1f895c6fe | 338 | HAL_UART_MspInit(huart); |
mbed_official | 340:28d1f895c6fe | 339 | } |
mbed_official | 340:28d1f895c6fe | 340 | |
mbed_official | 340:28d1f895c6fe | 341 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 342 | |
mbed_official | 340:28d1f895c6fe | 343 | /* Disable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 344 | __HAL_UART_DISABLE(huart); |
mbed_official | 340:28d1f895c6fe | 345 | |
mbed_official | 340:28d1f895c6fe | 346 | /* Set the UART Communication parameters */ |
mbed_official | 340:28d1f895c6fe | 347 | if (UART_SetConfig(huart) == HAL_ERROR) |
mbed_official | 340:28d1f895c6fe | 348 | { |
mbed_official | 340:28d1f895c6fe | 349 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 350 | } |
mbed_official | 340:28d1f895c6fe | 351 | |
mbed_official | 340:28d1f895c6fe | 352 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 340:28d1f895c6fe | 353 | { |
mbed_official | 340:28d1f895c6fe | 354 | UART_AdvFeatureConfig(huart); |
mbed_official | 340:28d1f895c6fe | 355 | } |
mbed_official | 340:28d1f895c6fe | 356 | |
mbed_official | 340:28d1f895c6fe | 357 | /* In half-duplex mode, the following bits must be kept cleared: |
mbed_official | 340:28d1f895c6fe | 358 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 340:28d1f895c6fe | 359 | - SCEN and IREN bits in the USART_CR3 register.*/ |
mbed_official | 340:28d1f895c6fe | 360 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
mbed_official | 340:28d1f895c6fe | 361 | huart->Instance->CR3 &= ~(USART_CR3_IREN | USART_CR3_SCEN); |
mbed_official | 340:28d1f895c6fe | 362 | |
mbed_official | 340:28d1f895c6fe | 363 | /* Enable the Half-Duplex mode by setting the HDSEL bit in the CR3 register */ |
mbed_official | 340:28d1f895c6fe | 364 | huart->Instance->CR3 |= USART_CR3_HDSEL; |
mbed_official | 340:28d1f895c6fe | 365 | |
mbed_official | 340:28d1f895c6fe | 366 | /* Enable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 367 | __HAL_UART_ENABLE(huart); |
mbed_official | 340:28d1f895c6fe | 368 | |
mbed_official | 340:28d1f895c6fe | 369 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 340:28d1f895c6fe | 370 | return (UART_CheckIdleState(huart)); |
mbed_official | 340:28d1f895c6fe | 371 | } |
mbed_official | 340:28d1f895c6fe | 372 | |
mbed_official | 340:28d1f895c6fe | 373 | |
mbed_official | 340:28d1f895c6fe | 374 | /** |
mbed_official | 340:28d1f895c6fe | 375 | * @brief Initializes the multiprocessor mode according to the specified |
mbed_official | 340:28d1f895c6fe | 376 | * parameters in the UART_InitTypeDef and creates the associated handle. |
mbed_official | 340:28d1f895c6fe | 377 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 378 | * @param Address: UART node address (4-, 6-, 7- or 8-bit long) |
mbed_official | 340:28d1f895c6fe | 379 | * @param WakeUpMethod: specifies the UART wakeup method. |
mbed_official | 340:28d1f895c6fe | 380 | * This parameter can be one of the following values: |
mbed_official | 340:28d1f895c6fe | 381 | * @arg UART_WAKEUPMETHOD_IDLELINE: WakeUp by an idle line detection |
mbed_official | 340:28d1f895c6fe | 382 | * @arg UART_WAKEUPMETHOD_ADDRESSMARK: WakeUp by an address mark |
mbed_official | 340:28d1f895c6fe | 383 | * @note If the user resorts to idle line detection wake up, the Address parameter |
mbed_official | 340:28d1f895c6fe | 384 | * is useless and ignored by the initialization function. |
mbed_official | 340:28d1f895c6fe | 385 | * @note If the user resorts to address mark wake up, the address length detection |
mbed_official | 340:28d1f895c6fe | 386 | * is configured by default to 4 bits only. For the UART to be able to |
mbed_official | 340:28d1f895c6fe | 387 | * manage 6-, 7- or 8-bit long addresses detection, the API |
mbed_official | 340:28d1f895c6fe | 388 | * HAL_MultiProcessorEx_AddressLength_Set() must be called after |
mbed_official | 340:28d1f895c6fe | 389 | * HAL_MultiProcessor_Init(). |
mbed_official | 340:28d1f895c6fe | 390 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 391 | */ |
mbed_official | 340:28d1f895c6fe | 392 | HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod) |
mbed_official | 340:28d1f895c6fe | 393 | { |
mbed_official | 340:28d1f895c6fe | 394 | /* Check the UART handle allocation */ |
mbed_official | 441:d2c15dda23c1 | 395 | if(huart == NULL) |
mbed_official | 340:28d1f895c6fe | 396 | { |
mbed_official | 340:28d1f895c6fe | 397 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 398 | } |
mbed_official | 340:28d1f895c6fe | 399 | |
mbed_official | 340:28d1f895c6fe | 400 | /* Check the wake up method parameter */ |
mbed_official | 340:28d1f895c6fe | 401 | assert_param(IS_UART_WAKEUPMETHOD(WakeUpMethod)); |
mbed_official | 340:28d1f895c6fe | 402 | |
mbed_official | 340:28d1f895c6fe | 403 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 340:28d1f895c6fe | 404 | { |
mbed_official | 340:28d1f895c6fe | 405 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 340:28d1f895c6fe | 406 | HAL_UART_MspInit(huart); |
mbed_official | 340:28d1f895c6fe | 407 | } |
mbed_official | 340:28d1f895c6fe | 408 | |
mbed_official | 340:28d1f895c6fe | 409 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 410 | |
mbed_official | 340:28d1f895c6fe | 411 | /* Disable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 412 | __HAL_UART_DISABLE(huart); |
mbed_official | 340:28d1f895c6fe | 413 | |
mbed_official | 340:28d1f895c6fe | 414 | /* Set the UART Communication parameters */ |
mbed_official | 340:28d1f895c6fe | 415 | if (UART_SetConfig(huart) == HAL_ERROR) |
mbed_official | 340:28d1f895c6fe | 416 | { |
mbed_official | 340:28d1f895c6fe | 417 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 418 | } |
mbed_official | 340:28d1f895c6fe | 419 | |
mbed_official | 340:28d1f895c6fe | 420 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 340:28d1f895c6fe | 421 | { |
mbed_official | 340:28d1f895c6fe | 422 | UART_AdvFeatureConfig(huart); |
mbed_official | 340:28d1f895c6fe | 423 | } |
mbed_official | 340:28d1f895c6fe | 424 | |
mbed_official | 340:28d1f895c6fe | 425 | /* In multiprocessor mode, the following bits must be kept cleared: |
mbed_official | 340:28d1f895c6fe | 426 | - LINEN and CLKEN bits in the USART_CR2 register, |
mbed_official | 340:28d1f895c6fe | 427 | - SCEN, HDSEL and IREN bits in the USART_CR3 register. */ |
mbed_official | 340:28d1f895c6fe | 428 | huart->Instance->CR2 &= ~(USART_CR2_LINEN | USART_CR2_CLKEN); |
mbed_official | 340:28d1f895c6fe | 429 | huart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 340:28d1f895c6fe | 430 | |
mbed_official | 340:28d1f895c6fe | 431 | if (WakeUpMethod == UART_WAKEUPMETHOD_ADDRESSMARK) |
mbed_official | 340:28d1f895c6fe | 432 | { |
mbed_official | 340:28d1f895c6fe | 433 | /* If address mark wake up method is chosen, set the USART address node */ |
mbed_official | 340:28d1f895c6fe | 434 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADD, ((uint32_t)Address << UART_CR2_ADDRESS_LSB_POS)); |
mbed_official | 340:28d1f895c6fe | 435 | } |
mbed_official | 340:28d1f895c6fe | 436 | |
mbed_official | 340:28d1f895c6fe | 437 | /* Set the wake up method by setting the WAKE bit in the CR1 register */ |
mbed_official | 340:28d1f895c6fe | 438 | MODIFY_REG(huart->Instance->CR1, USART_CR1_WAKE, WakeUpMethod); |
mbed_official | 340:28d1f895c6fe | 439 | |
mbed_official | 340:28d1f895c6fe | 440 | /* Enable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 441 | __HAL_UART_ENABLE(huart); |
mbed_official | 340:28d1f895c6fe | 442 | |
mbed_official | 340:28d1f895c6fe | 443 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 340:28d1f895c6fe | 444 | return (UART_CheckIdleState(huart)); |
mbed_official | 340:28d1f895c6fe | 445 | } |
mbed_official | 340:28d1f895c6fe | 446 | |
mbed_official | 340:28d1f895c6fe | 447 | /** |
mbed_official | 340:28d1f895c6fe | 448 | * @brief DeInitializes the UART peripheral |
mbed_official | 340:28d1f895c6fe | 449 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 450 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 451 | */ |
mbed_official | 340:28d1f895c6fe | 452 | HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 453 | { |
mbed_official | 340:28d1f895c6fe | 454 | /* Check the UART handle allocation */ |
mbed_official | 441:d2c15dda23c1 | 455 | if(huart == NULL) |
mbed_official | 340:28d1f895c6fe | 456 | { |
mbed_official | 340:28d1f895c6fe | 457 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 458 | } |
mbed_official | 340:28d1f895c6fe | 459 | |
mbed_official | 340:28d1f895c6fe | 460 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 461 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
mbed_official | 340:28d1f895c6fe | 462 | |
mbed_official | 340:28d1f895c6fe | 463 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 464 | |
mbed_official | 340:28d1f895c6fe | 465 | /* Disable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 466 | __HAL_UART_DISABLE(huart); |
mbed_official | 340:28d1f895c6fe | 467 | |
mbed_official | 340:28d1f895c6fe | 468 | huart->Instance->CR1 = 0x0; |
mbed_official | 340:28d1f895c6fe | 469 | huart->Instance->CR2 = 0x0; |
mbed_official | 340:28d1f895c6fe | 470 | huart->Instance->CR3 = 0x0; |
mbed_official | 340:28d1f895c6fe | 471 | |
mbed_official | 340:28d1f895c6fe | 472 | /* DeInit the low level hardware */ |
mbed_official | 340:28d1f895c6fe | 473 | HAL_UART_MspDeInit(huart); |
mbed_official | 340:28d1f895c6fe | 474 | |
mbed_official | 340:28d1f895c6fe | 475 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 476 | huart->State = HAL_UART_STATE_RESET; |
mbed_official | 340:28d1f895c6fe | 477 | |
mbed_official | 340:28d1f895c6fe | 478 | /* Process Unlock */ |
mbed_official | 340:28d1f895c6fe | 479 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 480 | |
mbed_official | 340:28d1f895c6fe | 481 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 482 | } |
mbed_official | 340:28d1f895c6fe | 483 | |
mbed_official | 340:28d1f895c6fe | 484 | /** |
mbed_official | 340:28d1f895c6fe | 485 | * @brief UART MSP Init |
mbed_official | 340:28d1f895c6fe | 486 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 487 | * @retval None |
mbed_official | 340:28d1f895c6fe | 488 | */ |
mbed_official | 340:28d1f895c6fe | 489 | __weak void HAL_UART_MspInit(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 490 | { |
mbed_official | 340:28d1f895c6fe | 491 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 492 | the HAL_UART_MspInit can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 493 | */ |
mbed_official | 340:28d1f895c6fe | 494 | } |
mbed_official | 340:28d1f895c6fe | 495 | |
mbed_official | 340:28d1f895c6fe | 496 | /** |
mbed_official | 340:28d1f895c6fe | 497 | * @brief UART MSP DeInit |
mbed_official | 340:28d1f895c6fe | 498 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 499 | * @retval None |
mbed_official | 340:28d1f895c6fe | 500 | */ |
mbed_official | 340:28d1f895c6fe | 501 | __weak void HAL_UART_MspDeInit(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 502 | { |
mbed_official | 340:28d1f895c6fe | 503 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 504 | the HAL_UART_MspDeInit could be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 505 | */ |
mbed_official | 340:28d1f895c6fe | 506 | } |
mbed_official | 340:28d1f895c6fe | 507 | |
mbed_official | 340:28d1f895c6fe | 508 | /** |
mbed_official | 340:28d1f895c6fe | 509 | * @} |
mbed_official | 340:28d1f895c6fe | 510 | */ |
mbed_official | 340:28d1f895c6fe | 511 | |
mbed_official | 340:28d1f895c6fe | 512 | /** @defgroup UART_Exported_Functions_Group2 IO operation functions |
mbed_official | 340:28d1f895c6fe | 513 | * @brief UART Transmit and Receive functions |
mbed_official | 340:28d1f895c6fe | 514 | * |
mbed_official | 340:28d1f895c6fe | 515 | @verbatim |
mbed_official | 340:28d1f895c6fe | 516 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 517 | ##### IO operation functions ##### |
mbed_official | 340:28d1f895c6fe | 518 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 519 | [..] |
mbed_official | 340:28d1f895c6fe | 520 | This subsection provides a set of functions allowing to manage the UART asynchronous |
mbed_official | 340:28d1f895c6fe | 521 | and Half duplex data transfers. |
mbed_official | 340:28d1f895c6fe | 522 | |
mbed_official | 340:28d1f895c6fe | 523 | (#) There are two mode of transfer: |
mbed_official | 340:28d1f895c6fe | 524 | (++) Blocking mode: The communication is performed in polling mode. |
mbed_official | 340:28d1f895c6fe | 525 | The HAL status of all data processing is returned by the same function |
mbed_official | 340:28d1f895c6fe | 526 | after finishing transfer. |
mbed_official | 340:28d1f895c6fe | 527 | (++) No-Blocking mode: The communication is performed using Interrupts |
mbed_official | 340:28d1f895c6fe | 528 | or DMA, These APIs return the HAL status. |
mbed_official | 340:28d1f895c6fe | 529 | The end of the data processing will be indicated through the |
mbed_official | 340:28d1f895c6fe | 530 | dedicated UART IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 340:28d1f895c6fe | 531 | using DMA mode. |
mbed_official | 340:28d1f895c6fe | 532 | The HAL_UART_TxCpltCallback(), HAL_UART_RxCpltCallback() user callbacks |
mbed_official | 340:28d1f895c6fe | 533 | will be executed respectivelly at the end of the transmit or Receive process |
mbed_official | 340:28d1f895c6fe | 534 | The HAL_UART_ErrorCallback()user callback will be executed when a communication error is detected |
mbed_official | 340:28d1f895c6fe | 535 | |
mbed_official | 340:28d1f895c6fe | 536 | (#) Blocking mode APIs are : |
mbed_official | 340:28d1f895c6fe | 537 | (++) HAL_UART_Transmit() |
mbed_official | 340:28d1f895c6fe | 538 | (++) HAL_UART_Receive() |
mbed_official | 340:28d1f895c6fe | 539 | |
mbed_official | 340:28d1f895c6fe | 540 | (#) Non Blocking mode APIs with Interrupt are : |
mbed_official | 340:28d1f895c6fe | 541 | (++) HAL_UART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 542 | (++) HAL_UART_Receive_IT() |
mbed_official | 340:28d1f895c6fe | 543 | (++) HAL_UART_IRQHandler() |
mbed_official | 340:28d1f895c6fe | 544 | (++) UART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 545 | (++) UART_Receive_IT() |
mbed_official | 340:28d1f895c6fe | 546 | |
mbed_official | 340:28d1f895c6fe | 547 | (#) Non Blocking mode APIs with DMA are : |
mbed_official | 340:28d1f895c6fe | 548 | (++) HAL_UART_Transmit_DMA() |
mbed_official | 340:28d1f895c6fe | 549 | (++) HAL_UART_Receive_DMA() |
mbed_official | 340:28d1f895c6fe | 550 | (++) HAL_UART_DMAPause() |
mbed_official | 340:28d1f895c6fe | 551 | (++) HAL_UART_DMAResume() |
mbed_official | 340:28d1f895c6fe | 552 | (++) HAL_UART_DMAStop() |
mbed_official | 340:28d1f895c6fe | 553 | |
mbed_official | 340:28d1f895c6fe | 554 | (#) A set of Transfer Complete Callbacks are provided in non blocking mode: |
mbed_official | 340:28d1f895c6fe | 555 | (++) HAL_UART_TxHalfCpltCallback() |
mbed_official | 340:28d1f895c6fe | 556 | (++) HAL_UART_TxCpltCallback() |
mbed_official | 340:28d1f895c6fe | 557 | (++) HAL_UART_RxHalfCpltCallback() |
mbed_official | 340:28d1f895c6fe | 558 | (++) HAL_UART_RxCpltCallback() |
mbed_official | 340:28d1f895c6fe | 559 | (++) HAL_UART_ErrorCallback() |
mbed_official | 340:28d1f895c6fe | 560 | |
mbed_official | 340:28d1f895c6fe | 561 | [..] |
mbed_official | 340:28d1f895c6fe | 562 | (@) In the Half duplex communication, it is forbidden to run the transmit |
mbed_official | 340:28d1f895c6fe | 563 | and receive process in parallel, the UART state HAL_UART_STATE_BUSY_TX_RX can't be useful. |
mbed_official | 340:28d1f895c6fe | 564 | |
mbed_official | 340:28d1f895c6fe | 565 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 566 | * @{ |
mbed_official | 340:28d1f895c6fe | 567 | */ |
mbed_official | 340:28d1f895c6fe | 568 | |
mbed_official | 340:28d1f895c6fe | 569 | /** |
mbed_official | 340:28d1f895c6fe | 570 | * @brief Send an amount of data in blocking mode |
mbed_official | 340:28d1f895c6fe | 571 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 572 | * @param pData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 573 | * @param Size: amount of data to be sent |
mbed_official | 340:28d1f895c6fe | 574 | * @param Timeout : Timeout duration |
mbed_official | 340:28d1f895c6fe | 575 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 576 | */ |
mbed_official | 340:28d1f895c6fe | 577 | HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 578 | { |
mbed_official | 340:28d1f895c6fe | 579 | uint16_t* tmp; |
mbed_official | 340:28d1f895c6fe | 580 | |
mbed_official | 340:28d1f895c6fe | 581 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
mbed_official | 340:28d1f895c6fe | 582 | { |
mbed_official | 441:d2c15dda23c1 | 583 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 584 | { |
mbed_official | 340:28d1f895c6fe | 585 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 586 | } |
mbed_official | 340:28d1f895c6fe | 587 | |
mbed_official | 340:28d1f895c6fe | 588 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 589 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 590 | |
mbed_official | 340:28d1f895c6fe | 591 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 592 | /* Check if a non-blocking receive process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 593 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 594 | { |
mbed_official | 340:28d1f895c6fe | 595 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 596 | } |
mbed_official | 340:28d1f895c6fe | 597 | else |
mbed_official | 340:28d1f895c6fe | 598 | { |
mbed_official | 340:28d1f895c6fe | 599 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 600 | } |
mbed_official | 340:28d1f895c6fe | 601 | |
mbed_official | 340:28d1f895c6fe | 602 | huart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 603 | huart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 604 | while(huart->TxXferCount > 0) |
mbed_official | 340:28d1f895c6fe | 605 | { |
mbed_official | 340:28d1f895c6fe | 606 | huart->TxXferCount--; |
mbed_official | 340:28d1f895c6fe | 607 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 608 | { |
mbed_official | 340:28d1f895c6fe | 609 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 610 | } |
mbed_official | 340:28d1f895c6fe | 611 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 612 | { |
mbed_official | 340:28d1f895c6fe | 613 | tmp = (uint16_t*) pData; |
mbed_official | 340:28d1f895c6fe | 614 | huart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 340:28d1f895c6fe | 615 | pData += 2; |
mbed_official | 340:28d1f895c6fe | 616 | } |
mbed_official | 340:28d1f895c6fe | 617 | else |
mbed_official | 340:28d1f895c6fe | 618 | { |
mbed_official | 340:28d1f895c6fe | 619 | huart->Instance->TDR = (*pData++ & (uint8_t)0xFF); |
mbed_official | 340:28d1f895c6fe | 620 | } |
mbed_official | 340:28d1f895c6fe | 621 | } |
mbed_official | 340:28d1f895c6fe | 622 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 623 | { |
mbed_official | 340:28d1f895c6fe | 624 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 625 | } |
mbed_official | 340:28d1f895c6fe | 626 | /* Check if a non-blocking receive Process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 627 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 628 | { |
mbed_official | 340:28d1f895c6fe | 629 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 630 | } |
mbed_official | 340:28d1f895c6fe | 631 | else |
mbed_official | 340:28d1f895c6fe | 632 | { |
mbed_official | 340:28d1f895c6fe | 633 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 634 | } |
mbed_official | 340:28d1f895c6fe | 635 | |
mbed_official | 340:28d1f895c6fe | 636 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 637 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 638 | |
mbed_official | 340:28d1f895c6fe | 639 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 640 | } |
mbed_official | 340:28d1f895c6fe | 641 | else |
mbed_official | 340:28d1f895c6fe | 642 | { |
mbed_official | 340:28d1f895c6fe | 643 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 644 | } |
mbed_official | 340:28d1f895c6fe | 645 | } |
mbed_official | 340:28d1f895c6fe | 646 | |
mbed_official | 340:28d1f895c6fe | 647 | /** |
mbed_official | 340:28d1f895c6fe | 648 | * @brief Receive an amount of data in blocking mode |
mbed_official | 340:28d1f895c6fe | 649 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 650 | * @param pData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 651 | * @param Size: amount of data to be received |
mbed_official | 340:28d1f895c6fe | 652 | * @param Timeout : Timeout duration |
mbed_official | 340:28d1f895c6fe | 653 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 654 | */ |
mbed_official | 340:28d1f895c6fe | 655 | HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 656 | { |
mbed_official | 340:28d1f895c6fe | 657 | uint16_t* tmp; |
mbed_official | 340:28d1f895c6fe | 658 | uint16_t uhMask; |
mbed_official | 340:28d1f895c6fe | 659 | |
mbed_official | 340:28d1f895c6fe | 660 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
mbed_official | 340:28d1f895c6fe | 661 | { |
mbed_official | 441:d2c15dda23c1 | 662 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 663 | { |
mbed_official | 340:28d1f895c6fe | 664 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 665 | } |
mbed_official | 340:28d1f895c6fe | 666 | |
mbed_official | 340:28d1f895c6fe | 667 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 668 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 669 | |
mbed_official | 340:28d1f895c6fe | 670 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 671 | /* Check if a non-blocking transmit process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 672 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 673 | { |
mbed_official | 340:28d1f895c6fe | 674 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 675 | } |
mbed_official | 340:28d1f895c6fe | 676 | else |
mbed_official | 340:28d1f895c6fe | 677 | { |
mbed_official | 340:28d1f895c6fe | 678 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 679 | } |
mbed_official | 340:28d1f895c6fe | 680 | |
mbed_official | 340:28d1f895c6fe | 681 | huart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 682 | huart->RxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 683 | |
mbed_official | 340:28d1f895c6fe | 684 | /* Computation of UART mask to apply to RDR register */ |
mbed_official | 340:28d1f895c6fe | 685 | __HAL_UART_MASK_COMPUTATION(huart); |
mbed_official | 340:28d1f895c6fe | 686 | uhMask = huart->Mask; |
mbed_official | 340:28d1f895c6fe | 687 | |
mbed_official | 340:28d1f895c6fe | 688 | /* as long as data have to be received */ |
mbed_official | 340:28d1f895c6fe | 689 | while(huart->RxXferCount > 0) |
mbed_official | 340:28d1f895c6fe | 690 | { |
mbed_official | 340:28d1f895c6fe | 691 | huart->RxXferCount--; |
mbed_official | 340:28d1f895c6fe | 692 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 693 | { |
mbed_official | 340:28d1f895c6fe | 694 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 695 | } |
mbed_official | 340:28d1f895c6fe | 696 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 697 | { |
mbed_official | 340:28d1f895c6fe | 698 | tmp = (uint16_t*) pData ; |
mbed_official | 340:28d1f895c6fe | 699 | *tmp = (uint16_t)(huart->Instance->RDR & uhMask); |
mbed_official | 340:28d1f895c6fe | 700 | pData +=2; |
mbed_official | 340:28d1f895c6fe | 701 | } |
mbed_official | 340:28d1f895c6fe | 702 | else |
mbed_official | 340:28d1f895c6fe | 703 | { |
mbed_official | 340:28d1f895c6fe | 704 | *pData++ = (uint8_t)(huart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 705 | } |
mbed_official | 340:28d1f895c6fe | 706 | } |
mbed_official | 340:28d1f895c6fe | 707 | |
mbed_official | 340:28d1f895c6fe | 708 | /* Check if a non-blocking transmit Process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 709 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 710 | { |
mbed_official | 340:28d1f895c6fe | 711 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 712 | } |
mbed_official | 340:28d1f895c6fe | 713 | else |
mbed_official | 340:28d1f895c6fe | 714 | { |
mbed_official | 340:28d1f895c6fe | 715 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 716 | } |
mbed_official | 340:28d1f895c6fe | 717 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 718 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 719 | |
mbed_official | 340:28d1f895c6fe | 720 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 721 | } |
mbed_official | 340:28d1f895c6fe | 722 | else |
mbed_official | 340:28d1f895c6fe | 723 | { |
mbed_official | 340:28d1f895c6fe | 724 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 725 | } |
mbed_official | 340:28d1f895c6fe | 726 | } |
mbed_official | 340:28d1f895c6fe | 727 | |
mbed_official | 340:28d1f895c6fe | 728 | /** |
mbed_official | 340:28d1f895c6fe | 729 | * @brief Send an amount of data in interrupt mode |
mbed_official | 340:28d1f895c6fe | 730 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 731 | * @param pData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 732 | * @param Size: amount of data to be sent |
mbed_official | 340:28d1f895c6fe | 733 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 734 | */ |
mbed_official | 340:28d1f895c6fe | 735 | HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 736 | { |
mbed_official | 340:28d1f895c6fe | 737 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
mbed_official | 340:28d1f895c6fe | 738 | { |
mbed_official | 441:d2c15dda23c1 | 739 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 740 | { |
mbed_official | 340:28d1f895c6fe | 741 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 742 | } |
mbed_official | 340:28d1f895c6fe | 743 | |
mbed_official | 340:28d1f895c6fe | 744 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 745 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 746 | |
mbed_official | 340:28d1f895c6fe | 747 | huart->pTxBuffPtr = pData; |
mbed_official | 340:28d1f895c6fe | 748 | huart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 749 | huart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 750 | |
mbed_official | 340:28d1f895c6fe | 751 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 752 | /* Check if a receive process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 753 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 754 | { |
mbed_official | 340:28d1f895c6fe | 755 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 756 | } |
mbed_official | 340:28d1f895c6fe | 757 | else |
mbed_official | 340:28d1f895c6fe | 758 | { |
mbed_official | 340:28d1f895c6fe | 759 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 760 | } |
mbed_official | 340:28d1f895c6fe | 761 | |
mbed_official | 340:28d1f895c6fe | 762 | /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 763 | __HAL_UART_ENABLE_IT(huart, UART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 764 | |
mbed_official | 340:28d1f895c6fe | 765 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 766 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 767 | |
mbed_official | 340:28d1f895c6fe | 768 | /* Enable the UART Transmit Data Register Empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 769 | __HAL_UART_ENABLE_IT(huart, UART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 770 | |
mbed_official | 340:28d1f895c6fe | 771 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 772 | } |
mbed_official | 340:28d1f895c6fe | 773 | else |
mbed_official | 340:28d1f895c6fe | 774 | { |
mbed_official | 340:28d1f895c6fe | 775 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 776 | } |
mbed_official | 340:28d1f895c6fe | 777 | } |
mbed_official | 340:28d1f895c6fe | 778 | |
mbed_official | 340:28d1f895c6fe | 779 | /** |
mbed_official | 340:28d1f895c6fe | 780 | * @brief Receive an amount of data in interrupt mode |
mbed_official | 340:28d1f895c6fe | 781 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 782 | * @param pData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 783 | * @param Size: amount of data to be received |
mbed_official | 340:28d1f895c6fe | 784 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 785 | */ |
mbed_official | 340:28d1f895c6fe | 786 | HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 787 | { |
mbed_official | 340:28d1f895c6fe | 788 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
mbed_official | 340:28d1f895c6fe | 789 | { |
mbed_official | 441:d2c15dda23c1 | 790 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 791 | { |
mbed_official | 340:28d1f895c6fe | 792 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 793 | } |
mbed_official | 340:28d1f895c6fe | 794 | |
mbed_official | 340:28d1f895c6fe | 795 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 796 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 797 | |
mbed_official | 340:28d1f895c6fe | 798 | huart->pRxBuffPtr = pData; |
mbed_official | 340:28d1f895c6fe | 799 | huart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 800 | huart->RxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 801 | |
mbed_official | 340:28d1f895c6fe | 802 | /* Computation of UART mask to apply to RDR register */ |
mbed_official | 340:28d1f895c6fe | 803 | __HAL_UART_MASK_COMPUTATION(huart); |
mbed_official | 340:28d1f895c6fe | 804 | |
mbed_official | 340:28d1f895c6fe | 805 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 806 | /* Check if a transmit process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 807 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 808 | { |
mbed_official | 340:28d1f895c6fe | 809 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 810 | } |
mbed_official | 340:28d1f895c6fe | 811 | else |
mbed_official | 340:28d1f895c6fe | 812 | { |
mbed_official | 340:28d1f895c6fe | 813 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 814 | } |
mbed_official | 340:28d1f895c6fe | 815 | |
mbed_official | 340:28d1f895c6fe | 816 | /* Enable the UART Parity Error Interrupt */ |
mbed_official | 340:28d1f895c6fe | 817 | __HAL_UART_ENABLE_IT(huart, UART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 818 | |
mbed_official | 340:28d1f895c6fe | 819 | /* Enable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 820 | __HAL_UART_ENABLE_IT(huart, UART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 821 | |
mbed_official | 340:28d1f895c6fe | 822 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 823 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 824 | |
mbed_official | 340:28d1f895c6fe | 825 | /* Enable the UART Data Register not empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 826 | __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 827 | |
mbed_official | 340:28d1f895c6fe | 828 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 829 | } |
mbed_official | 340:28d1f895c6fe | 830 | else |
mbed_official | 340:28d1f895c6fe | 831 | { |
mbed_official | 340:28d1f895c6fe | 832 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 833 | } |
mbed_official | 340:28d1f895c6fe | 834 | } |
mbed_official | 340:28d1f895c6fe | 835 | |
mbed_official | 340:28d1f895c6fe | 836 | /** |
mbed_official | 340:28d1f895c6fe | 837 | * @brief Send an amount of data in DMA mode |
mbed_official | 340:28d1f895c6fe | 838 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 839 | * @param pData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 840 | * @param Size: amount of data to be sent |
mbed_official | 340:28d1f895c6fe | 841 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 842 | */ |
mbed_official | 340:28d1f895c6fe | 843 | HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 844 | { |
mbed_official | 340:28d1f895c6fe | 845 | uint32_t *tmp; |
mbed_official | 340:28d1f895c6fe | 846 | |
mbed_official | 340:28d1f895c6fe | 847 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_RX)) |
mbed_official | 340:28d1f895c6fe | 848 | { |
mbed_official | 441:d2c15dda23c1 | 849 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 850 | { |
mbed_official | 340:28d1f895c6fe | 851 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 852 | } |
mbed_official | 340:28d1f895c6fe | 853 | |
mbed_official | 340:28d1f895c6fe | 854 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 855 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 856 | |
mbed_official | 340:28d1f895c6fe | 857 | huart->pTxBuffPtr = pData; |
mbed_official | 340:28d1f895c6fe | 858 | huart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 859 | huart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 860 | |
mbed_official | 340:28d1f895c6fe | 861 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 862 | /* Check if a receive process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 863 | if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 864 | { |
mbed_official | 340:28d1f895c6fe | 865 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 866 | } |
mbed_official | 340:28d1f895c6fe | 867 | else |
mbed_official | 340:28d1f895c6fe | 868 | { |
mbed_official | 340:28d1f895c6fe | 869 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 870 | } |
mbed_official | 340:28d1f895c6fe | 871 | |
mbed_official | 340:28d1f895c6fe | 872 | /* Set the UART DMA transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 873 | huart->hdmatx->XferCpltCallback = UART_DMATransmitCplt; |
mbed_official | 340:28d1f895c6fe | 874 | |
mbed_official | 340:28d1f895c6fe | 875 | /* Set the UART DMA Half transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 876 | huart->hdmatx->XferHalfCpltCallback = UART_DMATxHalfCplt; |
mbed_official | 340:28d1f895c6fe | 877 | |
mbed_official | 340:28d1f895c6fe | 878 | /* Set the DMA error callback */ |
mbed_official | 340:28d1f895c6fe | 879 | huart->hdmatx->XferErrorCallback = UART_DMAError; |
mbed_official | 340:28d1f895c6fe | 880 | |
mbed_official | 340:28d1f895c6fe | 881 | /* Enable the UART transmit DMA channel */ |
mbed_official | 340:28d1f895c6fe | 882 | tmp = (uint32_t*)&pData; |
mbed_official | 340:28d1f895c6fe | 883 | HAL_DMA_Start_IT(huart->hdmatx, *(uint32_t*)tmp, (uint32_t)&huart->Instance->TDR, Size); |
mbed_official | 340:28d1f895c6fe | 884 | |
mbed_official | 340:28d1f895c6fe | 885 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 340:28d1f895c6fe | 886 | in the UART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 887 | huart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 888 | |
mbed_official | 340:28d1f895c6fe | 889 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 890 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 891 | |
mbed_official | 340:28d1f895c6fe | 892 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 893 | } |
mbed_official | 340:28d1f895c6fe | 894 | else |
mbed_official | 340:28d1f895c6fe | 895 | { |
mbed_official | 340:28d1f895c6fe | 896 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 897 | } |
mbed_official | 340:28d1f895c6fe | 898 | } |
mbed_official | 340:28d1f895c6fe | 899 | |
mbed_official | 340:28d1f895c6fe | 900 | /** |
mbed_official | 340:28d1f895c6fe | 901 | * @brief Receive an amount of data in DMA mode |
mbed_official | 340:28d1f895c6fe | 902 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 903 | * @param pData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 904 | * @param Size: amount of data to be received |
mbed_official | 340:28d1f895c6fe | 905 | * @note When the UART parity is enabled (PCE = 1), the received data contain |
mbed_official | 340:28d1f895c6fe | 906 | * the parity bit (MSB position) |
mbed_official | 340:28d1f895c6fe | 907 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 908 | */ |
mbed_official | 340:28d1f895c6fe | 909 | HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 910 | { |
mbed_official | 340:28d1f895c6fe | 911 | uint32_t *tmp; |
mbed_official | 340:28d1f895c6fe | 912 | |
mbed_official | 340:28d1f895c6fe | 913 | if((huart->State == HAL_UART_STATE_READY) || (huart->State == HAL_UART_STATE_BUSY_TX)) |
mbed_official | 340:28d1f895c6fe | 914 | { |
mbed_official | 441:d2c15dda23c1 | 915 | if((pData == NULL ) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 916 | { |
mbed_official | 340:28d1f895c6fe | 917 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 918 | } |
mbed_official | 340:28d1f895c6fe | 919 | |
mbed_official | 340:28d1f895c6fe | 920 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 921 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 922 | |
mbed_official | 340:28d1f895c6fe | 923 | huart->pRxBuffPtr = pData; |
mbed_official | 340:28d1f895c6fe | 924 | huart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 925 | |
mbed_official | 340:28d1f895c6fe | 926 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 927 | /* Check if a transmit process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 928 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 929 | { |
mbed_official | 340:28d1f895c6fe | 930 | huart->State = HAL_UART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 931 | } |
mbed_official | 340:28d1f895c6fe | 932 | else |
mbed_official | 340:28d1f895c6fe | 933 | { |
mbed_official | 340:28d1f895c6fe | 934 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 935 | } |
mbed_official | 340:28d1f895c6fe | 936 | |
mbed_official | 340:28d1f895c6fe | 937 | /* Set the UART DMA transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 938 | huart->hdmarx->XferCpltCallback = UART_DMAReceiveCplt; |
mbed_official | 340:28d1f895c6fe | 939 | |
mbed_official | 340:28d1f895c6fe | 940 | /* Set the UART DMA Half transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 941 | huart->hdmarx->XferHalfCpltCallback = UART_DMARxHalfCplt; |
mbed_official | 340:28d1f895c6fe | 942 | |
mbed_official | 340:28d1f895c6fe | 943 | /* Set the DMA error callback */ |
mbed_official | 340:28d1f895c6fe | 944 | huart->hdmarx->XferErrorCallback = UART_DMAError; |
mbed_official | 340:28d1f895c6fe | 945 | |
mbed_official | 340:28d1f895c6fe | 946 | /* Enable the DMA channel */ |
mbed_official | 340:28d1f895c6fe | 947 | tmp = (uint32_t*)&pData; |
mbed_official | 340:28d1f895c6fe | 948 | HAL_DMA_Start_IT(huart->hdmarx, (uint32_t)&huart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 340:28d1f895c6fe | 949 | |
mbed_official | 340:28d1f895c6fe | 950 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 340:28d1f895c6fe | 951 | in the UART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 952 | huart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 953 | |
mbed_official | 340:28d1f895c6fe | 954 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 955 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 956 | |
mbed_official | 340:28d1f895c6fe | 957 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 958 | } |
mbed_official | 340:28d1f895c6fe | 959 | else |
mbed_official | 340:28d1f895c6fe | 960 | { |
mbed_official | 340:28d1f895c6fe | 961 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 962 | } |
mbed_official | 340:28d1f895c6fe | 963 | } |
mbed_official | 340:28d1f895c6fe | 964 | |
mbed_official | 340:28d1f895c6fe | 965 | /** |
mbed_official | 340:28d1f895c6fe | 966 | * @brief Pauses the DMA Transfer. |
mbed_official | 340:28d1f895c6fe | 967 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 968 | * @retval None |
mbed_official | 340:28d1f895c6fe | 969 | */ |
mbed_official | 340:28d1f895c6fe | 970 | HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 971 | { |
mbed_official | 340:28d1f895c6fe | 972 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 973 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 974 | |
mbed_official | 340:28d1f895c6fe | 975 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 976 | { |
mbed_official | 340:28d1f895c6fe | 977 | /* Disable the UART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 978 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 979 | } |
mbed_official | 340:28d1f895c6fe | 980 | else if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 981 | { |
mbed_official | 340:28d1f895c6fe | 982 | /* Disable the UART DMA Rx request */ |
mbed_official | 340:28d1f895c6fe | 983 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 340:28d1f895c6fe | 984 | } |
mbed_official | 340:28d1f895c6fe | 985 | else if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 986 | { |
mbed_official | 340:28d1f895c6fe | 987 | /* Disable the UART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 988 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 989 | /* Disable the UART DMA Rx request */ |
mbed_official | 340:28d1f895c6fe | 990 | huart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 340:28d1f895c6fe | 991 | } |
mbed_official | 340:28d1f895c6fe | 992 | |
mbed_official | 340:28d1f895c6fe | 993 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 994 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 995 | |
mbed_official | 340:28d1f895c6fe | 996 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 997 | } |
mbed_official | 340:28d1f895c6fe | 998 | |
mbed_official | 340:28d1f895c6fe | 999 | /** |
mbed_official | 340:28d1f895c6fe | 1000 | * @brief Resumes the DMA Transfer. |
mbed_official | 340:28d1f895c6fe | 1001 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1002 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1003 | */ |
mbed_official | 340:28d1f895c6fe | 1004 | HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1005 | { |
mbed_official | 340:28d1f895c6fe | 1006 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1007 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1008 | |
mbed_official | 340:28d1f895c6fe | 1009 | if(huart->State == HAL_UART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 1010 | { |
mbed_official | 340:28d1f895c6fe | 1011 | /* Enable the UART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1012 | huart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 1013 | } |
mbed_official | 340:28d1f895c6fe | 1014 | else if(huart->State == HAL_UART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 1015 | { |
mbed_official | 340:28d1f895c6fe | 1016 | /* Enable the UART DMA Rx request */ |
mbed_official | 340:28d1f895c6fe | 1017 | huart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 1018 | } |
mbed_official | 340:28d1f895c6fe | 1019 | else if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1020 | { |
mbed_official | 340:28d1f895c6fe | 1021 | /* Enable the UART DMA Rx request before the DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1022 | huart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 1023 | /* Enable the UART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1024 | huart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 1025 | } |
mbed_official | 340:28d1f895c6fe | 1026 | |
mbed_official | 340:28d1f895c6fe | 1027 | /* If the UART peripheral is still not enabled, enable it */ |
mbed_official | 340:28d1f895c6fe | 1028 | if ((huart->Instance->CR1 & USART_CR1_UE) == 0) |
mbed_official | 340:28d1f895c6fe | 1029 | { |
mbed_official | 340:28d1f895c6fe | 1030 | /* Enable UART peripheral */ |
mbed_official | 340:28d1f895c6fe | 1031 | __HAL_UART_ENABLE(huart); |
mbed_official | 340:28d1f895c6fe | 1032 | } |
mbed_official | 340:28d1f895c6fe | 1033 | |
mbed_official | 340:28d1f895c6fe | 1034 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 340:28d1f895c6fe | 1035 | return (UART_CheckIdleState(huart)); |
mbed_official | 340:28d1f895c6fe | 1036 | } |
mbed_official | 340:28d1f895c6fe | 1037 | |
mbed_official | 340:28d1f895c6fe | 1038 | /** |
mbed_official | 340:28d1f895c6fe | 1039 | * @brief Stops the DMA Transfer. |
mbed_official | 340:28d1f895c6fe | 1040 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1041 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1042 | */ |
mbed_official | 340:28d1f895c6fe | 1043 | HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1044 | { |
mbed_official | 340:28d1f895c6fe | 1045 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1046 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1047 | |
mbed_official | 340:28d1f895c6fe | 1048 | /* Disable the UART Tx/Rx DMA requests */ |
mbed_official | 340:28d1f895c6fe | 1049 | huart->Instance->CR3 &= ~USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 1050 | huart->Instance->CR3 &= ~USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 1051 | |
mbed_official | 340:28d1f895c6fe | 1052 | /* Abort the UART DMA tx channel */ |
mbed_official | 441:d2c15dda23c1 | 1053 | if(huart->hdmatx != NULL) |
mbed_official | 340:28d1f895c6fe | 1054 | { |
mbed_official | 340:28d1f895c6fe | 1055 | HAL_DMA_Abort(huart->hdmatx); |
mbed_official | 340:28d1f895c6fe | 1056 | } |
mbed_official | 340:28d1f895c6fe | 1057 | /* Abort the UART DMA rx channel */ |
mbed_official | 441:d2c15dda23c1 | 1058 | if(huart->hdmarx != NULL) |
mbed_official | 340:28d1f895c6fe | 1059 | { |
mbed_official | 340:28d1f895c6fe | 1060 | HAL_DMA_Abort(huart->hdmarx); |
mbed_official | 340:28d1f895c6fe | 1061 | } |
mbed_official | 340:28d1f895c6fe | 1062 | |
mbed_official | 340:28d1f895c6fe | 1063 | /* Disable UART peripheral */ |
mbed_official | 340:28d1f895c6fe | 1064 | __HAL_UART_DISABLE(huart); |
mbed_official | 340:28d1f895c6fe | 1065 | |
mbed_official | 340:28d1f895c6fe | 1066 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1067 | |
mbed_official | 340:28d1f895c6fe | 1068 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1069 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1070 | |
mbed_official | 340:28d1f895c6fe | 1071 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1072 | } |
mbed_official | 340:28d1f895c6fe | 1073 | |
mbed_official | 340:28d1f895c6fe | 1074 | /** |
mbed_official | 340:28d1f895c6fe | 1075 | * @brief Tx Transfer completed callbacks |
mbed_official | 340:28d1f895c6fe | 1076 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1077 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1078 | */ |
mbed_official | 340:28d1f895c6fe | 1079 | __weak void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1080 | { |
mbed_official | 340:28d1f895c6fe | 1081 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1082 | the HAL_UART_TxCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1083 | */ |
mbed_official | 340:28d1f895c6fe | 1084 | } |
mbed_official | 340:28d1f895c6fe | 1085 | |
mbed_official | 340:28d1f895c6fe | 1086 | /** |
mbed_official | 340:28d1f895c6fe | 1087 | * @brief Tx Half Transfer completed callbacks. |
mbed_official | 340:28d1f895c6fe | 1088 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1089 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1090 | */ |
mbed_official | 340:28d1f895c6fe | 1091 | __weak void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1092 | { |
mbed_official | 340:28d1f895c6fe | 1093 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1094 | the HAL_UART_TxHalfCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1095 | */ |
mbed_official | 340:28d1f895c6fe | 1096 | } |
mbed_official | 340:28d1f895c6fe | 1097 | |
mbed_official | 340:28d1f895c6fe | 1098 | /** |
mbed_official | 340:28d1f895c6fe | 1099 | * @brief Rx Transfer completed callbacks |
mbed_official | 340:28d1f895c6fe | 1100 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1101 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1102 | */ |
mbed_official | 340:28d1f895c6fe | 1103 | __weak void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1104 | { |
mbed_official | 340:28d1f895c6fe | 1105 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1106 | the HAL_UART_RxCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1107 | */ |
mbed_official | 340:28d1f895c6fe | 1108 | } |
mbed_official | 340:28d1f895c6fe | 1109 | |
mbed_official | 340:28d1f895c6fe | 1110 | /** |
mbed_official | 340:28d1f895c6fe | 1111 | * @brief Rx Half Transfer completed callbacks. |
mbed_official | 340:28d1f895c6fe | 1112 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1113 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1114 | */ |
mbed_official | 340:28d1f895c6fe | 1115 | __weak void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1116 | { |
mbed_official | 340:28d1f895c6fe | 1117 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1118 | the HAL_UART_RxHalfCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1119 | */ |
mbed_official | 340:28d1f895c6fe | 1120 | } |
mbed_official | 340:28d1f895c6fe | 1121 | |
mbed_official | 340:28d1f895c6fe | 1122 | /** |
mbed_official | 340:28d1f895c6fe | 1123 | * @brief UART error callbacks |
mbed_official | 340:28d1f895c6fe | 1124 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1125 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1126 | */ |
mbed_official | 340:28d1f895c6fe | 1127 | __weak void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1128 | { |
mbed_official | 340:28d1f895c6fe | 1129 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1130 | the HAL_UART_ErrorCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1131 | */ |
mbed_official | 340:28d1f895c6fe | 1132 | } |
mbed_official | 340:28d1f895c6fe | 1133 | |
mbed_official | 340:28d1f895c6fe | 1134 | /** |
mbed_official | 340:28d1f895c6fe | 1135 | * @} |
mbed_official | 340:28d1f895c6fe | 1136 | */ |
mbed_official | 340:28d1f895c6fe | 1137 | |
mbed_official | 340:28d1f895c6fe | 1138 | /** @defgroup UART_Exported_Functions_Group3 Peripheral Control functions |
mbed_official | 340:28d1f895c6fe | 1139 | * @brief UART control functions |
mbed_official | 340:28d1f895c6fe | 1140 | * |
mbed_official | 340:28d1f895c6fe | 1141 | @verbatim |
mbed_official | 340:28d1f895c6fe | 1142 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 1143 | ##### Peripheral Control functions ##### |
mbed_official | 340:28d1f895c6fe | 1144 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 1145 | [..] |
mbed_official | 340:28d1f895c6fe | 1146 | This subsection provides a set of functions allowing to control the UART. |
mbed_official | 340:28d1f895c6fe | 1147 | (+) HAL_UART_GetState() API is helpful to check in run-time the state of the UART peripheral. |
mbed_official | 340:28d1f895c6fe | 1148 | (+) HAL_MultiProcessor_EnableMuteMode() API enables mute mode |
mbed_official | 340:28d1f895c6fe | 1149 | (+) HAL_MultiProcessor_DisableMuteMode() API disables mute mode |
mbed_official | 340:28d1f895c6fe | 1150 | (+) HAL_MultiProcessor_EnterMuteMode() API enters mute mode |
mbed_official | 340:28d1f895c6fe | 1151 | (+) HAL_MultiProcessor_EnableMuteMode() API enables mute mode |
mbed_official | 340:28d1f895c6fe | 1152 | (+) HAL_UART_EnableStopMode() API enables the UART to wake up the MCU from stop mode |
mbed_official | 340:28d1f895c6fe | 1153 | (+) HAL_UART_DisableStopMode() API disables the above functionality |
mbed_official | 340:28d1f895c6fe | 1154 | (+) UART_SetConfig() API configures the UART peripheral |
mbed_official | 340:28d1f895c6fe | 1155 | (+) UART_AdvFeatureConfig() API optionally configures the UART advanced features |
mbed_official | 340:28d1f895c6fe | 1156 | (+) UART_CheckIdleState() API ensures that TEACK and/or REACK are set after initialization |
mbed_official | 340:28d1f895c6fe | 1157 | (+) UART_Wakeup_AddressConfig() API configures the wake-up from stop mode parameters |
mbed_official | 340:28d1f895c6fe | 1158 | (+) HAL_HalfDuplex_EnableTransmitter() API disables receiver and enables transmitter |
mbed_official | 340:28d1f895c6fe | 1159 | (+) HAL_HalfDuplex_EnableReceiver() API disables transmitter and enables receiver |
mbed_official | 340:28d1f895c6fe | 1160 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 1161 | * @{ |
mbed_official | 340:28d1f895c6fe | 1162 | */ |
mbed_official | 340:28d1f895c6fe | 1163 | |
mbed_official | 340:28d1f895c6fe | 1164 | /** |
mbed_official | 340:28d1f895c6fe | 1165 | * @brief Enable UART in mute mode (doesn't mean UART enters mute mode; |
mbed_official | 340:28d1f895c6fe | 1166 | * to enter mute mode, HAL_MultiProcessor_EnterMuteMode() API must be called) |
mbed_official | 340:28d1f895c6fe | 1167 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1168 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1169 | */ |
mbed_official | 340:28d1f895c6fe | 1170 | HAL_StatusTypeDef HAL_MultiProcessor_EnableMuteMode(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1171 | { |
mbed_official | 340:28d1f895c6fe | 1172 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1173 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1174 | |
mbed_official | 340:28d1f895c6fe | 1175 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 1176 | |
mbed_official | 340:28d1f895c6fe | 1177 | /* Enable USART mute mode by setting the MME bit in the CR1 register */ |
mbed_official | 340:28d1f895c6fe | 1178 | huart->Instance->CR1 |= USART_CR1_MME; |
mbed_official | 340:28d1f895c6fe | 1179 | |
mbed_official | 340:28d1f895c6fe | 1180 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1181 | |
mbed_official | 340:28d1f895c6fe | 1182 | return (UART_CheckIdleState(huart)); |
mbed_official | 340:28d1f895c6fe | 1183 | } |
mbed_official | 340:28d1f895c6fe | 1184 | |
mbed_official | 340:28d1f895c6fe | 1185 | /** |
mbed_official | 340:28d1f895c6fe | 1186 | * @brief Disable UART mute mode (doesn't mean it actually wakes up the software, |
mbed_official | 340:28d1f895c6fe | 1187 | * as it may not have been in mute mode at this very moment). |
mbed_official | 340:28d1f895c6fe | 1188 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1189 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1190 | */ |
mbed_official | 340:28d1f895c6fe | 1191 | HAL_StatusTypeDef HAL_MultiProcessor_DisableMuteMode(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1192 | { |
mbed_official | 340:28d1f895c6fe | 1193 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1194 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1195 | |
mbed_official | 340:28d1f895c6fe | 1196 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 1197 | |
mbed_official | 340:28d1f895c6fe | 1198 | /* Disable USART mute mode by clearing the MME bit in the CR1 register */ |
mbed_official | 340:28d1f895c6fe | 1199 | huart->Instance->CR1 &= ~(USART_CR1_MME); |
mbed_official | 340:28d1f895c6fe | 1200 | |
mbed_official | 340:28d1f895c6fe | 1201 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1202 | |
mbed_official | 340:28d1f895c6fe | 1203 | return (UART_CheckIdleState(huart)); |
mbed_official | 340:28d1f895c6fe | 1204 | } |
mbed_official | 340:28d1f895c6fe | 1205 | |
mbed_official | 340:28d1f895c6fe | 1206 | /** |
mbed_official | 340:28d1f895c6fe | 1207 | * @brief Enter UART mute mode (means UART actually enters mute mode). |
mbed_official | 340:28d1f895c6fe | 1208 | * To exit from mute mode, HAL_MultiProcessor_DisableMuteMode() API must be called. |
mbed_official | 340:28d1f895c6fe | 1209 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1210 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1211 | */ |
mbed_official | 340:28d1f895c6fe | 1212 | void HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1213 | { |
mbed_official | 340:28d1f895c6fe | 1214 | __HAL_UART_SEND_REQ(huart, UART_MUTE_MODE_REQUEST); |
mbed_official | 340:28d1f895c6fe | 1215 | } |
mbed_official | 340:28d1f895c6fe | 1216 | |
mbed_official | 340:28d1f895c6fe | 1217 | /** |
mbed_official | 340:28d1f895c6fe | 1218 | * @brief Enables the UART transmitter and disables the UART receiver. |
mbed_official | 340:28d1f895c6fe | 1219 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1220 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1221 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1222 | */ |
mbed_official | 340:28d1f895c6fe | 1223 | HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1224 | { |
mbed_official | 340:28d1f895c6fe | 1225 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1226 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1227 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 1228 | |
mbed_official | 340:28d1f895c6fe | 1229 | /* Clear TE and RE bits */ |
mbed_official | 340:28d1f895c6fe | 1230 | CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); |
mbed_official | 340:28d1f895c6fe | 1231 | /* Enable the USART's transmit interface by setting the TE bit in the USART CR1 register */ |
mbed_official | 340:28d1f895c6fe | 1232 | SET_BIT(huart->Instance->CR1, USART_CR1_TE); |
mbed_official | 340:28d1f895c6fe | 1233 | |
mbed_official | 340:28d1f895c6fe | 1234 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1235 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1236 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1237 | |
mbed_official | 340:28d1f895c6fe | 1238 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1239 | } |
mbed_official | 340:28d1f895c6fe | 1240 | |
mbed_official | 340:28d1f895c6fe | 1241 | /** |
mbed_official | 340:28d1f895c6fe | 1242 | * @brief Enables the UART receiver and disables the UART transmitter. |
mbed_official | 340:28d1f895c6fe | 1243 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1244 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1245 | */ |
mbed_official | 340:28d1f895c6fe | 1246 | HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1247 | { |
mbed_official | 340:28d1f895c6fe | 1248 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1249 | __HAL_LOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1250 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 1251 | |
mbed_official | 340:28d1f895c6fe | 1252 | /* Clear TE and RE bits */ |
mbed_official | 340:28d1f895c6fe | 1253 | CLEAR_BIT(huart->Instance->CR1, (USART_CR1_TE | USART_CR1_RE)); |
mbed_official | 340:28d1f895c6fe | 1254 | /* Enable the USART's receive interface by setting the RE bit in the USART CR1 register */ |
mbed_official | 340:28d1f895c6fe | 1255 | SET_BIT(huart->Instance->CR1, USART_CR1_RE); |
mbed_official | 340:28d1f895c6fe | 1256 | |
mbed_official | 340:28d1f895c6fe | 1257 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1258 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1259 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1260 | |
mbed_official | 340:28d1f895c6fe | 1261 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1262 | } |
mbed_official | 340:28d1f895c6fe | 1263 | |
mbed_official | 340:28d1f895c6fe | 1264 | /** |
mbed_official | 340:28d1f895c6fe | 1265 | * @} |
mbed_official | 340:28d1f895c6fe | 1266 | */ |
mbed_official | 340:28d1f895c6fe | 1267 | |
mbed_official | 340:28d1f895c6fe | 1268 | /** @defgroup UART_Exported_Functions_Group4 Peripheral State and Errors functions |
mbed_official | 340:28d1f895c6fe | 1269 | * @{ |
mbed_official | 340:28d1f895c6fe | 1270 | */ |
mbed_official | 340:28d1f895c6fe | 1271 | |
mbed_official | 340:28d1f895c6fe | 1272 | /** |
mbed_official | 340:28d1f895c6fe | 1273 | * @brief return the UART state |
mbed_official | 340:28d1f895c6fe | 1274 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1275 | * @retval HAL state |
mbed_official | 340:28d1f895c6fe | 1276 | */ |
mbed_official | 340:28d1f895c6fe | 1277 | HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1278 | { |
mbed_official | 340:28d1f895c6fe | 1279 | return huart->State; |
mbed_official | 340:28d1f895c6fe | 1280 | } |
mbed_official | 340:28d1f895c6fe | 1281 | |
mbed_official | 340:28d1f895c6fe | 1282 | /** |
mbed_official | 340:28d1f895c6fe | 1283 | * @brief Return the UART error code |
mbed_official | 340:28d1f895c6fe | 1284 | * @param huart : pointer to a UART_HandleTypeDef structure that contains |
mbed_official | 340:28d1f895c6fe | 1285 | * the configuration information for the specified UART. |
mbed_official | 340:28d1f895c6fe | 1286 | * @retval UART Error Code |
mbed_official | 340:28d1f895c6fe | 1287 | */ |
mbed_official | 340:28d1f895c6fe | 1288 | uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1289 | { |
mbed_official | 340:28d1f895c6fe | 1290 | return huart->ErrorCode; |
mbed_official | 340:28d1f895c6fe | 1291 | } |
mbed_official | 340:28d1f895c6fe | 1292 | |
mbed_official | 340:28d1f895c6fe | 1293 | /** |
mbed_official | 340:28d1f895c6fe | 1294 | * @} |
mbed_official | 340:28d1f895c6fe | 1295 | */ |
mbed_official | 340:28d1f895c6fe | 1296 | |
mbed_official | 340:28d1f895c6fe | 1297 | /** |
mbed_official | 340:28d1f895c6fe | 1298 | * @} |
mbed_official | 340:28d1f895c6fe | 1299 | */ |
mbed_official | 340:28d1f895c6fe | 1300 | |
mbed_official | 340:28d1f895c6fe | 1301 | /** @defgroup UART_Private_Functions UART Private Functions |
mbed_official | 340:28d1f895c6fe | 1302 | * @{ |
mbed_official | 340:28d1f895c6fe | 1303 | */ |
mbed_official | 340:28d1f895c6fe | 1304 | |
mbed_official | 340:28d1f895c6fe | 1305 | /** |
mbed_official | 340:28d1f895c6fe | 1306 | * @brief Send an amount of data in interrupt mode |
mbed_official | 340:28d1f895c6fe | 1307 | * Function called under interruption only, once |
mbed_official | 340:28d1f895c6fe | 1308 | * interruptions have been enabled by HAL_UART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 1309 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1310 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1311 | */ |
mbed_official | 340:28d1f895c6fe | 1312 | HAL_StatusTypeDef UART_Transmit_IT(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1313 | { |
mbed_official | 340:28d1f895c6fe | 1314 | uint16_t* tmp; |
mbed_official | 340:28d1f895c6fe | 1315 | |
mbed_official | 340:28d1f895c6fe | 1316 | if ((huart->State == HAL_UART_STATE_BUSY_TX) || (huart->State == HAL_UART_STATE_BUSY_TX_RX)) |
mbed_official | 340:28d1f895c6fe | 1317 | { |
mbed_official | 340:28d1f895c6fe | 1318 | |
mbed_official | 340:28d1f895c6fe | 1319 | if(huart->TxXferCount == 0) |
mbed_official | 340:28d1f895c6fe | 1320 | { |
mbed_official | 340:28d1f895c6fe | 1321 | /* Disable the UART Transmit Data Register Empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1322 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1323 | |
mbed_official | 340:28d1f895c6fe | 1324 | /* Enable the UART Transmit Complete Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1325 | __HAL_UART_ENABLE_IT(huart, UART_IT_TC); |
mbed_official | 340:28d1f895c6fe | 1326 | |
mbed_official | 340:28d1f895c6fe | 1327 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1328 | } |
mbed_official | 340:28d1f895c6fe | 1329 | else |
mbed_official | 340:28d1f895c6fe | 1330 | { |
mbed_official | 340:28d1f895c6fe | 1331 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 1332 | { |
mbed_official | 340:28d1f895c6fe | 1333 | tmp = (uint16_t*) huart->pTxBuffPtr; |
mbed_official | 340:28d1f895c6fe | 1334 | huart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 340:28d1f895c6fe | 1335 | huart->pTxBuffPtr += 2; |
mbed_official | 340:28d1f895c6fe | 1336 | } |
mbed_official | 340:28d1f895c6fe | 1337 | else |
mbed_official | 340:28d1f895c6fe | 1338 | { |
mbed_official | 340:28d1f895c6fe | 1339 | huart->Instance->TDR = (uint8_t)(*huart->pTxBuffPtr++ & (uint8_t)0xFF); |
mbed_official | 340:28d1f895c6fe | 1340 | } |
mbed_official | 340:28d1f895c6fe | 1341 | |
mbed_official | 340:28d1f895c6fe | 1342 | huart->TxXferCount--; |
mbed_official | 340:28d1f895c6fe | 1343 | |
mbed_official | 340:28d1f895c6fe | 1344 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1345 | } |
mbed_official | 340:28d1f895c6fe | 1346 | } |
mbed_official | 340:28d1f895c6fe | 1347 | else |
mbed_official | 340:28d1f895c6fe | 1348 | { |
mbed_official | 340:28d1f895c6fe | 1349 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 1350 | } |
mbed_official | 340:28d1f895c6fe | 1351 | } |
mbed_official | 340:28d1f895c6fe | 1352 | |
mbed_official | 340:28d1f895c6fe | 1353 | /** |
mbed_official | 340:28d1f895c6fe | 1354 | * @brief Receive an amount of data in interrupt mode |
mbed_official | 340:28d1f895c6fe | 1355 | * Function called under interruption only, once |
mbed_official | 340:28d1f895c6fe | 1356 | * interruptions have been enabled by HAL_UART_Receive_IT() |
mbed_official | 340:28d1f895c6fe | 1357 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1358 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1359 | */ |
mbed_official | 340:28d1f895c6fe | 1360 | HAL_StatusTypeDef UART_Receive_IT(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1361 | { |
mbed_official | 340:28d1f895c6fe | 1362 | uint16_t* tmp; |
mbed_official | 340:28d1f895c6fe | 1363 | uint16_t uhMask = huart->Mask; |
mbed_official | 340:28d1f895c6fe | 1364 | |
mbed_official | 340:28d1f895c6fe | 1365 | if((huart->State == HAL_UART_STATE_BUSY_RX) || (huart->State == HAL_UART_STATE_BUSY_TX_RX)) |
mbed_official | 340:28d1f895c6fe | 1366 | { |
mbed_official | 340:28d1f895c6fe | 1367 | |
mbed_official | 340:28d1f895c6fe | 1368 | if ((huart->Init.WordLength == UART_WORDLENGTH_9B) && (huart->Init.Parity == UART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 1369 | { |
mbed_official | 340:28d1f895c6fe | 1370 | tmp = (uint16_t*) huart->pRxBuffPtr ; |
mbed_official | 340:28d1f895c6fe | 1371 | *tmp = (uint16_t)(huart->Instance->RDR & uhMask); |
mbed_official | 340:28d1f895c6fe | 1372 | huart->pRxBuffPtr +=2; |
mbed_official | 340:28d1f895c6fe | 1373 | } |
mbed_official | 340:28d1f895c6fe | 1374 | else |
mbed_official | 340:28d1f895c6fe | 1375 | { |
mbed_official | 340:28d1f895c6fe | 1376 | *huart->pRxBuffPtr++ = (uint8_t)(huart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 1377 | } |
mbed_official | 340:28d1f895c6fe | 1378 | |
mbed_official | 340:28d1f895c6fe | 1379 | if(--huart->RxXferCount == 0) |
mbed_official | 340:28d1f895c6fe | 1380 | { |
mbed_official | 340:28d1f895c6fe | 1381 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1382 | |
mbed_official | 340:28d1f895c6fe | 1383 | /* Check if a transmit Process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 1384 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1385 | { |
mbed_official | 340:28d1f895c6fe | 1386 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 1387 | } |
mbed_official | 340:28d1f895c6fe | 1388 | else |
mbed_official | 340:28d1f895c6fe | 1389 | { |
mbed_official | 340:28d1f895c6fe | 1390 | /* Disable the UART Parity Error Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1391 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1392 | |
mbed_official | 340:28d1f895c6fe | 1393 | /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 1394 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1395 | |
mbed_official | 340:28d1f895c6fe | 1396 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1397 | } |
mbed_official | 340:28d1f895c6fe | 1398 | |
mbed_official | 340:28d1f895c6fe | 1399 | HAL_UART_RxCpltCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1400 | |
mbed_official | 340:28d1f895c6fe | 1401 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1402 | } |
mbed_official | 340:28d1f895c6fe | 1403 | |
mbed_official | 340:28d1f895c6fe | 1404 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1405 | } |
mbed_official | 340:28d1f895c6fe | 1406 | else |
mbed_official | 340:28d1f895c6fe | 1407 | { |
mbed_official | 340:28d1f895c6fe | 1408 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 1409 | } |
mbed_official | 340:28d1f895c6fe | 1410 | } |
mbed_official | 340:28d1f895c6fe | 1411 | |
mbed_official | 340:28d1f895c6fe | 1412 | /** |
mbed_official | 340:28d1f895c6fe | 1413 | * @brief Check the UART Idle State |
mbed_official | 340:28d1f895c6fe | 1414 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1415 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1416 | */ |
mbed_official | 340:28d1f895c6fe | 1417 | HAL_StatusTypeDef UART_CheckIdleState(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1418 | { |
mbed_official | 340:28d1f895c6fe | 1419 | /* Initialize the UART ErrorCode */ |
mbed_official | 340:28d1f895c6fe | 1420 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 1421 | |
mbed_official | 340:28d1f895c6fe | 1422 | /* Check if the Transmitter is enabled */ |
mbed_official | 340:28d1f895c6fe | 1423 | if((huart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) |
mbed_official | 340:28d1f895c6fe | 1424 | { |
mbed_official | 340:28d1f895c6fe | 1425 | /* Wait until TEACK flag is set */ |
mbed_official | 340:28d1f895c6fe | 1426 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_TEACK, RESET, HAL_UART_TIMEOUT_VALUE) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 1427 | { |
mbed_official | 340:28d1f895c6fe | 1428 | /* Timeout Occured */ |
mbed_official | 340:28d1f895c6fe | 1429 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1430 | } |
mbed_official | 340:28d1f895c6fe | 1431 | } |
mbed_official | 340:28d1f895c6fe | 1432 | /* Check if the Receiver is enabled */ |
mbed_official | 340:28d1f895c6fe | 1433 | if((huart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) |
mbed_official | 340:28d1f895c6fe | 1434 | { |
mbed_official | 340:28d1f895c6fe | 1435 | /* Wait until REACK flag is set */ |
mbed_official | 340:28d1f895c6fe | 1436 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, HAL_UART_TIMEOUT_VALUE) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 1437 | { |
mbed_official | 340:28d1f895c6fe | 1438 | /* Timeout Occured */ |
mbed_official | 340:28d1f895c6fe | 1439 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1440 | } |
mbed_official | 340:28d1f895c6fe | 1441 | } |
mbed_official | 340:28d1f895c6fe | 1442 | |
mbed_official | 340:28d1f895c6fe | 1443 | /* Initialize the UART State */ |
mbed_official | 340:28d1f895c6fe | 1444 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1445 | |
mbed_official | 340:28d1f895c6fe | 1446 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1447 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1448 | |
mbed_official | 340:28d1f895c6fe | 1449 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1450 | } |
mbed_official | 340:28d1f895c6fe | 1451 | |
mbed_official | 340:28d1f895c6fe | 1452 | /** |
mbed_official | 340:28d1f895c6fe | 1453 | * @brief This function handles UART Communication Timeout. |
mbed_official | 340:28d1f895c6fe | 1454 | * @param huart: UART handle |
mbed_official | 340:28d1f895c6fe | 1455 | * @param Flag: specifies the UART flag to check. |
mbed_official | 340:28d1f895c6fe | 1456 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 340:28d1f895c6fe | 1457 | * @param Timeout: Timeout duration |
mbed_official | 340:28d1f895c6fe | 1458 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1459 | */ |
mbed_official | 340:28d1f895c6fe | 1460 | HAL_StatusTypeDef UART_WaitOnFlagUntilTimeout(UART_HandleTypeDef *huart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 1461 | { |
mbed_official | 340:28d1f895c6fe | 1462 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 340:28d1f895c6fe | 1463 | |
mbed_official | 340:28d1f895c6fe | 1464 | /* Wait until flag is set */ |
mbed_official | 340:28d1f895c6fe | 1465 | if(Status == RESET) |
mbed_official | 340:28d1f895c6fe | 1466 | { |
mbed_official | 340:28d1f895c6fe | 1467 | while(__HAL_UART_GET_FLAG(huart, Flag) == RESET) |
mbed_official | 340:28d1f895c6fe | 1468 | { |
mbed_official | 340:28d1f895c6fe | 1469 | /* Check for the Timeout */ |
mbed_official | 340:28d1f895c6fe | 1470 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 340:28d1f895c6fe | 1471 | { |
mbed_official | 340:28d1f895c6fe | 1472 | if((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout)) |
mbed_official | 340:28d1f895c6fe | 1473 | { |
mbed_official | 340:28d1f895c6fe | 1474 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 340:28d1f895c6fe | 1475 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1476 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1477 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1478 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1479 | |
mbed_official | 441:d2c15dda23c1 | 1480 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1481 | |
mbed_official | 340:28d1f895c6fe | 1482 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1483 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1484 | |
mbed_official | 340:28d1f895c6fe | 1485 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1486 | } |
mbed_official | 340:28d1f895c6fe | 1487 | } |
mbed_official | 340:28d1f895c6fe | 1488 | } |
mbed_official | 340:28d1f895c6fe | 1489 | } |
mbed_official | 340:28d1f895c6fe | 1490 | else |
mbed_official | 340:28d1f895c6fe | 1491 | { |
mbed_official | 340:28d1f895c6fe | 1492 | while(__HAL_UART_GET_FLAG(huart, Flag) != RESET) |
mbed_official | 340:28d1f895c6fe | 1493 | { |
mbed_official | 340:28d1f895c6fe | 1494 | /* Check for the Timeout */ |
mbed_official | 340:28d1f895c6fe | 1495 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 340:28d1f895c6fe | 1496 | { |
mbed_official | 340:28d1f895c6fe | 1497 | if((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout)) |
mbed_official | 340:28d1f895c6fe | 1498 | { |
mbed_official | 340:28d1f895c6fe | 1499 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 340:28d1f895c6fe | 1500 | __HAL_UART_DISABLE_IT(huart, UART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1501 | __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1502 | __HAL_UART_DISABLE_IT(huart, UART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1503 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1504 | |
mbed_official | 441:d2c15dda23c1 | 1505 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1506 | |
mbed_official | 340:28d1f895c6fe | 1507 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1508 | __HAL_UNLOCK(huart); |
mbed_official | 340:28d1f895c6fe | 1509 | |
mbed_official | 340:28d1f895c6fe | 1510 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1511 | } |
mbed_official | 340:28d1f895c6fe | 1512 | } |
mbed_official | 340:28d1f895c6fe | 1513 | } |
mbed_official | 340:28d1f895c6fe | 1514 | } |
mbed_official | 340:28d1f895c6fe | 1515 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1516 | } |
mbed_official | 340:28d1f895c6fe | 1517 | |
mbed_official | 340:28d1f895c6fe | 1518 | /** |
mbed_official | 340:28d1f895c6fe | 1519 | * @brief DMA UART transmit process complete callback |
mbed_official | 340:28d1f895c6fe | 1520 | * @param hdma: DMA handle |
mbed_official | 340:28d1f895c6fe | 1521 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1522 | */ |
mbed_official | 340:28d1f895c6fe | 1523 | static void UART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1524 | { |
mbed_official | 340:28d1f895c6fe | 1525 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1526 | huart->TxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1527 | |
mbed_official | 340:28d1f895c6fe | 1528 | /* Disable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 340:28d1f895c6fe | 1529 | in the UART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 1530 | huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 1531 | |
mbed_official | 340:28d1f895c6fe | 1532 | /* Wait for UART TC Flag */ |
mbed_official | 340:28d1f895c6fe | 1533 | if(UART_WaitOnFlagUntilTimeout(huart, UART_FLAG_TC, RESET, HAL_UART_TXDMA_TIMEOUTVALUE) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 1534 | { |
mbed_official | 340:28d1f895c6fe | 1535 | /* Timeout Occured */ |
mbed_official | 340:28d1f895c6fe | 1536 | huart->State = HAL_UART_STATE_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1537 | HAL_UART_ErrorCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1538 | } |
mbed_official | 340:28d1f895c6fe | 1539 | else |
mbed_official | 340:28d1f895c6fe | 1540 | { |
mbed_official | 340:28d1f895c6fe | 1541 | /* No Timeout */ |
mbed_official | 340:28d1f895c6fe | 1542 | /* Check if a receive process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 1543 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1544 | { |
mbed_official | 340:28d1f895c6fe | 1545 | huart->State = HAL_UART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 1546 | } |
mbed_official | 340:28d1f895c6fe | 1547 | else |
mbed_official | 340:28d1f895c6fe | 1548 | { |
mbed_official | 340:28d1f895c6fe | 1549 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1550 | } |
mbed_official | 340:28d1f895c6fe | 1551 | HAL_UART_TxCpltCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1552 | } |
mbed_official | 340:28d1f895c6fe | 1553 | } |
mbed_official | 340:28d1f895c6fe | 1554 | |
mbed_official | 340:28d1f895c6fe | 1555 | /** |
mbed_official | 340:28d1f895c6fe | 1556 | * @brief DMA UART transmit process half complete callback |
mbed_official | 340:28d1f895c6fe | 1557 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1558 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1559 | */ |
mbed_official | 340:28d1f895c6fe | 1560 | static void UART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1561 | { |
mbed_official | 340:28d1f895c6fe | 1562 | UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1563 | |
mbed_official | 340:28d1f895c6fe | 1564 | HAL_UART_TxHalfCpltCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1565 | } |
mbed_official | 340:28d1f895c6fe | 1566 | |
mbed_official | 340:28d1f895c6fe | 1567 | /** |
mbed_official | 340:28d1f895c6fe | 1568 | * @brief DMA UART receive process complete callback |
mbed_official | 340:28d1f895c6fe | 1569 | * @param hdma: DMA handle |
mbed_official | 340:28d1f895c6fe | 1570 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1571 | */ |
mbed_official | 340:28d1f895c6fe | 1572 | static void UART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1573 | { |
mbed_official | 340:28d1f895c6fe | 1574 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1575 | huart->RxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1576 | |
mbed_official | 340:28d1f895c6fe | 1577 | /* Disable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 340:28d1f895c6fe | 1578 | in the UART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 1579 | huart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR); |
mbed_official | 340:28d1f895c6fe | 1580 | |
mbed_official | 340:28d1f895c6fe | 1581 | /* Check if a transmit Process is ongoing or not */ |
mbed_official | 340:28d1f895c6fe | 1582 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1583 | { |
mbed_official | 340:28d1f895c6fe | 1584 | huart->State = HAL_UART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 1585 | } |
mbed_official | 340:28d1f895c6fe | 1586 | else |
mbed_official | 340:28d1f895c6fe | 1587 | { |
mbed_official | 340:28d1f895c6fe | 1588 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1589 | } |
mbed_official | 340:28d1f895c6fe | 1590 | HAL_UART_RxCpltCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1591 | } |
mbed_official | 340:28d1f895c6fe | 1592 | |
mbed_official | 340:28d1f895c6fe | 1593 | /** |
mbed_official | 340:28d1f895c6fe | 1594 | * @brief DMA UART receive process half complete callback |
mbed_official | 340:28d1f895c6fe | 1595 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1596 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1597 | */ |
mbed_official | 340:28d1f895c6fe | 1598 | static void UART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1599 | { |
mbed_official | 340:28d1f895c6fe | 1600 | UART_HandleTypeDef* huart = (UART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1601 | |
mbed_official | 340:28d1f895c6fe | 1602 | HAL_UART_RxHalfCpltCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1603 | } |
mbed_official | 340:28d1f895c6fe | 1604 | |
mbed_official | 340:28d1f895c6fe | 1605 | /** |
mbed_official | 340:28d1f895c6fe | 1606 | * @brief DMA UART communication error callback |
mbed_official | 340:28d1f895c6fe | 1607 | * @param hdma: DMA handle |
mbed_official | 340:28d1f895c6fe | 1608 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1609 | */ |
mbed_official | 340:28d1f895c6fe | 1610 | static void UART_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1611 | { |
mbed_official | 340:28d1f895c6fe | 1612 | UART_HandleTypeDef* huart = ( UART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1613 | huart->RxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1614 | huart->TxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1615 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1616 | huart->ErrorCode |= HAL_UART_ERROR_DMA; |
mbed_official | 340:28d1f895c6fe | 1617 | HAL_UART_ErrorCallback(huart); |
mbed_official | 340:28d1f895c6fe | 1618 | } |
mbed_official | 340:28d1f895c6fe | 1619 | |
mbed_official | 340:28d1f895c6fe | 1620 | /** |
mbed_official | 340:28d1f895c6fe | 1621 | * @brief Configure the UART peripheral |
mbed_official | 340:28d1f895c6fe | 1622 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1623 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1624 | */ |
mbed_official | 340:28d1f895c6fe | 1625 | HAL_StatusTypeDef UART_SetConfig(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1626 | { |
mbed_official | 340:28d1f895c6fe | 1627 | uint32_t tmpreg = 0x00000000; |
mbed_official | 340:28d1f895c6fe | 1628 | UART_ClockSourceTypeDef clocksource = UART_CLOCKSOURCE_UNDEFINED; |
mbed_official | 340:28d1f895c6fe | 1629 | uint16_t brrtemp = 0x0000; |
mbed_official | 340:28d1f895c6fe | 1630 | uint16_t usartdiv = 0x0000; |
mbed_official | 340:28d1f895c6fe | 1631 | HAL_StatusTypeDef ret = HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1632 | |
mbed_official | 340:28d1f895c6fe | 1633 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 1634 | assert_param(IS_UART_BAUDRATE(huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1635 | assert_param(IS_UART_WORD_LENGTH(huart->Init.WordLength)); |
mbed_official | 340:28d1f895c6fe | 1636 | assert_param(IS_UART_STOPBITS(huart->Init.StopBits)); |
mbed_official | 340:28d1f895c6fe | 1637 | assert_param(IS_UART_PARITY(huart->Init.Parity)); |
mbed_official | 340:28d1f895c6fe | 1638 | assert_param(IS_UART_MODE(huart->Init.Mode)); |
mbed_official | 340:28d1f895c6fe | 1639 | assert_param(IS_UART_HARDWARE_FLOW_CONTROL(huart->Init.HwFlowCtl)); |
mbed_official | 340:28d1f895c6fe | 1640 | assert_param(IS_UART_ONEBIT_SAMPLING(huart->Init.OneBitSampling)); |
mbed_official | 340:28d1f895c6fe | 1641 | |
mbed_official | 340:28d1f895c6fe | 1642 | |
mbed_official | 340:28d1f895c6fe | 1643 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1644 | /* Clear M, PCE, PS, TE, RE and OVER8 bits and configure |
mbed_official | 340:28d1f895c6fe | 1645 | * the UART Word Length, Parity, Mode and oversampling: |
mbed_official | 340:28d1f895c6fe | 1646 | * set the M bits according to huart->Init.WordLength value |
mbed_official | 340:28d1f895c6fe | 1647 | * set PCE and PS bits according to huart->Init.Parity value |
mbed_official | 340:28d1f895c6fe | 1648 | * set TE and RE bits according to huart->Init.Mode value |
mbed_official | 340:28d1f895c6fe | 1649 | * set OVER8 bit according to huart->Init.OverSampling value */ |
mbed_official | 340:28d1f895c6fe | 1650 | tmpreg = (uint32_t)huart->Init.WordLength | huart->Init.Parity | huart->Init.Mode | huart->Init.OverSampling ; |
mbed_official | 340:28d1f895c6fe | 1651 | MODIFY_REG(huart->Instance->CR1, UART_CR1_FIELDS, tmpreg); |
mbed_official | 340:28d1f895c6fe | 1652 | |
mbed_official | 340:28d1f895c6fe | 1653 | /*-------------------------- USART CR2 Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1654 | /* Configure the UART Stop Bits: Set STOP[13:12] bits according |
mbed_official | 340:28d1f895c6fe | 1655 | * to huart->Init.StopBits value */ |
mbed_official | 340:28d1f895c6fe | 1656 | MODIFY_REG(huart->Instance->CR2, USART_CR2_STOP, huart->Init.StopBits); |
mbed_official | 340:28d1f895c6fe | 1657 | |
mbed_official | 340:28d1f895c6fe | 1658 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1659 | /* Configure |
mbed_official | 340:28d1f895c6fe | 1660 | * - UART HardWare Flow Control: set CTSE and RTSE bits according |
mbed_official | 340:28d1f895c6fe | 1661 | * to huart->Init.HwFlowCtl value |
mbed_official | 340:28d1f895c6fe | 1662 | * - one-bit sampling method versus three samples' majority rule according |
mbed_official | 340:28d1f895c6fe | 1663 | * to huart->Init.OneBitSampling */ |
mbed_official | 340:28d1f895c6fe | 1664 | tmpreg = (uint32_t)huart->Init.HwFlowCtl | huart->Init.OneBitSampling ; |
mbed_official | 340:28d1f895c6fe | 1665 | MODIFY_REG(huart->Instance->CR3, (USART_CR3_RTSE | USART_CR3_CTSE | USART_CR3_ONEBIT), tmpreg); |
mbed_official | 340:28d1f895c6fe | 1666 | |
mbed_official | 340:28d1f895c6fe | 1667 | /*-------------------------- USART BRR Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1668 | __HAL_UART_GETCLOCKSOURCE(huart, clocksource); |
mbed_official | 340:28d1f895c6fe | 1669 | |
mbed_official | 340:28d1f895c6fe | 1670 | /* Check the Over Sampling to set Baud Rate Register */ |
mbed_official | 340:28d1f895c6fe | 1671 | if (huart->Init.OverSampling == UART_OVERSAMPLING_8) |
mbed_official | 340:28d1f895c6fe | 1672 | { |
mbed_official | 340:28d1f895c6fe | 1673 | switch (clocksource) |
mbed_official | 340:28d1f895c6fe | 1674 | { |
mbed_official | 340:28d1f895c6fe | 1675 | case UART_CLOCKSOURCE_PCLK1: |
mbed_official | 340:28d1f895c6fe | 1676 | usartdiv = (uint16_t)(__DIV_SAMPLING8(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1677 | break; |
mbed_official | 340:28d1f895c6fe | 1678 | case UART_CLOCKSOURCE_HSI: |
mbed_official | 340:28d1f895c6fe | 1679 | usartdiv = (uint16_t)(__DIV_SAMPLING8(HSI_VALUE, huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1680 | break; |
mbed_official | 340:28d1f895c6fe | 1681 | case UART_CLOCKSOURCE_SYSCLK: |
mbed_official | 340:28d1f895c6fe | 1682 | usartdiv = (uint16_t)(__DIV_SAMPLING8(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1683 | break; |
mbed_official | 340:28d1f895c6fe | 1684 | case UART_CLOCKSOURCE_LSE: |
mbed_official | 340:28d1f895c6fe | 1685 | usartdiv = (uint16_t)(__DIV_SAMPLING8(LSE_VALUE, huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1686 | break; |
mbed_official | 340:28d1f895c6fe | 1687 | case UART_CLOCKSOURCE_UNDEFINED: |
mbed_official | 340:28d1f895c6fe | 1688 | default: |
mbed_official | 340:28d1f895c6fe | 1689 | ret = HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 1690 | break; |
mbed_official | 340:28d1f895c6fe | 1691 | } |
mbed_official | 340:28d1f895c6fe | 1692 | |
mbed_official | 340:28d1f895c6fe | 1693 | brrtemp = usartdiv & 0xFFF0; |
mbed_official | 340:28d1f895c6fe | 1694 | brrtemp |= (uint16_t) ((usartdiv & (uint16_t)0x000F) >> 1U); |
mbed_official | 340:28d1f895c6fe | 1695 | huart->Instance->BRR = brrtemp; |
mbed_official | 340:28d1f895c6fe | 1696 | } |
mbed_official | 340:28d1f895c6fe | 1697 | else |
mbed_official | 340:28d1f895c6fe | 1698 | { |
mbed_official | 340:28d1f895c6fe | 1699 | switch (clocksource) |
mbed_official | 340:28d1f895c6fe | 1700 | { |
mbed_official | 340:28d1f895c6fe | 1701 | case UART_CLOCKSOURCE_PCLK1: |
mbed_official | 340:28d1f895c6fe | 1702 | huart->Instance->BRR = (uint16_t)(__DIV_SAMPLING16(HAL_RCC_GetPCLK1Freq(), huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1703 | break; |
mbed_official | 340:28d1f895c6fe | 1704 | case UART_CLOCKSOURCE_HSI: |
mbed_official | 340:28d1f895c6fe | 1705 | huart->Instance->BRR = (uint16_t)(__DIV_SAMPLING16(HSI_VALUE, huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1706 | break; |
mbed_official | 340:28d1f895c6fe | 1707 | case UART_CLOCKSOURCE_SYSCLK: |
mbed_official | 340:28d1f895c6fe | 1708 | huart->Instance->BRR = (uint16_t)(__DIV_SAMPLING16(HAL_RCC_GetSysClockFreq(), huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1709 | break; |
mbed_official | 340:28d1f895c6fe | 1710 | case UART_CLOCKSOURCE_LSE: |
mbed_official | 340:28d1f895c6fe | 1711 | huart->Instance->BRR = (uint16_t)(__DIV_SAMPLING16(LSE_VALUE, huart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1712 | break; |
mbed_official | 340:28d1f895c6fe | 1713 | case UART_CLOCKSOURCE_UNDEFINED: |
mbed_official | 340:28d1f895c6fe | 1714 | default: |
mbed_official | 340:28d1f895c6fe | 1715 | ret = HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 1716 | break; |
mbed_official | 340:28d1f895c6fe | 1717 | } |
mbed_official | 340:28d1f895c6fe | 1718 | } |
mbed_official | 340:28d1f895c6fe | 1719 | |
mbed_official | 340:28d1f895c6fe | 1720 | return ret; |
mbed_official | 340:28d1f895c6fe | 1721 | |
mbed_official | 340:28d1f895c6fe | 1722 | } |
mbed_official | 340:28d1f895c6fe | 1723 | |
mbed_official | 340:28d1f895c6fe | 1724 | /** |
mbed_official | 340:28d1f895c6fe | 1725 | * @brief Configure the UART peripheral advanced feautures |
mbed_official | 340:28d1f895c6fe | 1726 | * @param huart: uart handle |
mbed_official | 340:28d1f895c6fe | 1727 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1728 | */ |
mbed_official | 340:28d1f895c6fe | 1729 | void UART_AdvFeatureConfig(UART_HandleTypeDef *huart) |
mbed_official | 340:28d1f895c6fe | 1730 | { |
mbed_official | 340:28d1f895c6fe | 1731 | /* Check whether the set of advanced features to configure is properly set */ |
mbed_official | 340:28d1f895c6fe | 1732 | assert_param(IS_UART_ADVFEATURE_INIT(huart->AdvancedInit.AdvFeatureInit)); |
mbed_official | 340:28d1f895c6fe | 1733 | |
mbed_official | 340:28d1f895c6fe | 1734 | /* if required, configure TX pin active level inversion */ |
mbed_official | 340:28d1f895c6fe | 1735 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_TXINVERT_INIT)) |
mbed_official | 340:28d1f895c6fe | 1736 | { |
mbed_official | 340:28d1f895c6fe | 1737 | assert_param(IS_UART_ADVFEATURE_TXINV(huart->AdvancedInit.TxPinLevelInvert)); |
mbed_official | 340:28d1f895c6fe | 1738 | MODIFY_REG(huart->Instance->CR2, USART_CR2_TXINV, huart->AdvancedInit.TxPinLevelInvert); |
mbed_official | 340:28d1f895c6fe | 1739 | } |
mbed_official | 340:28d1f895c6fe | 1740 | |
mbed_official | 340:28d1f895c6fe | 1741 | /* if required, configure RX pin active level inversion */ |
mbed_official | 340:28d1f895c6fe | 1742 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_RXINVERT_INIT)) |
mbed_official | 340:28d1f895c6fe | 1743 | { |
mbed_official | 340:28d1f895c6fe | 1744 | assert_param(IS_UART_ADVFEATURE_RXINV(huart->AdvancedInit.RxPinLevelInvert)); |
mbed_official | 340:28d1f895c6fe | 1745 | MODIFY_REG(huart->Instance->CR2, USART_CR2_RXINV, huart->AdvancedInit.RxPinLevelInvert); |
mbed_official | 340:28d1f895c6fe | 1746 | } |
mbed_official | 340:28d1f895c6fe | 1747 | |
mbed_official | 340:28d1f895c6fe | 1748 | /* if required, configure data inversion */ |
mbed_official | 340:28d1f895c6fe | 1749 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_DATAINVERT_INIT)) |
mbed_official | 340:28d1f895c6fe | 1750 | { |
mbed_official | 340:28d1f895c6fe | 1751 | assert_param(IS_UART_ADVFEATURE_DATAINV(huart->AdvancedInit.DataInvert)); |
mbed_official | 340:28d1f895c6fe | 1752 | MODIFY_REG(huart->Instance->CR2, USART_CR2_DATAINV, huart->AdvancedInit.DataInvert); |
mbed_official | 340:28d1f895c6fe | 1753 | } |
mbed_official | 340:28d1f895c6fe | 1754 | |
mbed_official | 340:28d1f895c6fe | 1755 | /* if required, configure RX/TX pins swap */ |
mbed_official | 340:28d1f895c6fe | 1756 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_SWAP_INIT)) |
mbed_official | 340:28d1f895c6fe | 1757 | { |
mbed_official | 340:28d1f895c6fe | 1758 | assert_param(IS_UART_ADVFEATURE_SWAP(huart->AdvancedInit.Swap)); |
mbed_official | 340:28d1f895c6fe | 1759 | MODIFY_REG(huart->Instance->CR2, USART_CR2_SWAP, huart->AdvancedInit.Swap); |
mbed_official | 340:28d1f895c6fe | 1760 | } |
mbed_official | 340:28d1f895c6fe | 1761 | |
mbed_official | 340:28d1f895c6fe | 1762 | /* if required, configure RX overrun detection disabling */ |
mbed_official | 340:28d1f895c6fe | 1763 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_RXOVERRUNDISABLE_INIT)) |
mbed_official | 340:28d1f895c6fe | 1764 | { |
mbed_official | 340:28d1f895c6fe | 1765 | assert_param(IS_UART_OVERRUN(huart->AdvancedInit.OverrunDisable)); |
mbed_official | 340:28d1f895c6fe | 1766 | MODIFY_REG(huart->Instance->CR3, USART_CR3_OVRDIS, huart->AdvancedInit.OverrunDisable); |
mbed_official | 340:28d1f895c6fe | 1767 | } |
mbed_official | 340:28d1f895c6fe | 1768 | |
mbed_official | 340:28d1f895c6fe | 1769 | /* if required, configure DMA disabling on reception error */ |
mbed_official | 340:28d1f895c6fe | 1770 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_DMADISABLEONERROR_INIT)) |
mbed_official | 340:28d1f895c6fe | 1771 | { |
mbed_official | 340:28d1f895c6fe | 1772 | assert_param(IS_UART_ADVFEATURE_DMAONRXERROR(huart->AdvancedInit.DMADisableonRxError)); |
mbed_official | 340:28d1f895c6fe | 1773 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DDRE, huart->AdvancedInit.DMADisableonRxError); |
mbed_official | 340:28d1f895c6fe | 1774 | } |
mbed_official | 340:28d1f895c6fe | 1775 | |
mbed_official | 340:28d1f895c6fe | 1776 | /* if required, configure auto Baud rate detection scheme */ |
mbed_official | 340:28d1f895c6fe | 1777 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_AUTOBAUDRATE_INIT)) |
mbed_official | 340:28d1f895c6fe | 1778 | { |
mbed_official | 340:28d1f895c6fe | 1779 | assert_param(IS_USART_AUTOBAUDRATE_DETECTION_INSTANCE(huart->Instance)); |
mbed_official | 340:28d1f895c6fe | 1780 | assert_param(IS_UART_ADVFEATURE_AUTOBAUDRATE(huart->AdvancedInit.AutoBaudRateEnable)); |
mbed_official | 340:28d1f895c6fe | 1781 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ABREN, huart->AdvancedInit.AutoBaudRateEnable); |
mbed_official | 340:28d1f895c6fe | 1782 | /* set auto Baudrate detection parameters if detection is enabled */ |
mbed_official | 340:28d1f895c6fe | 1783 | if (huart->AdvancedInit.AutoBaudRateEnable == UART_ADVFEATURE_AUTOBAUDRATE_ENABLE) |
mbed_official | 340:28d1f895c6fe | 1784 | { |
mbed_official | 340:28d1f895c6fe | 1785 | assert_param(IS_UART_ADVFEATURE_AUTOBAUDRATEMODE(huart->AdvancedInit.AutoBaudRateMode)); |
mbed_official | 340:28d1f895c6fe | 1786 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ABRMODE, huart->AdvancedInit.AutoBaudRateMode); |
mbed_official | 340:28d1f895c6fe | 1787 | } |
mbed_official | 340:28d1f895c6fe | 1788 | } |
mbed_official | 340:28d1f895c6fe | 1789 | |
mbed_official | 340:28d1f895c6fe | 1790 | /* if required, configure MSB first on communication line */ |
mbed_official | 340:28d1f895c6fe | 1791 | if (HAL_IS_BIT_SET(huart->AdvancedInit.AdvFeatureInit, UART_ADVFEATURE_MSBFIRST_INIT)) |
mbed_official | 340:28d1f895c6fe | 1792 | { |
mbed_official | 340:28d1f895c6fe | 1793 | assert_param(IS_UART_ADVFEATURE_MSBFIRST(huart->AdvancedInit.MSBFirst)); |
mbed_official | 340:28d1f895c6fe | 1794 | MODIFY_REG(huart->Instance->CR2, USART_CR2_MSBFIRST, huart->AdvancedInit.MSBFirst); |
mbed_official | 340:28d1f895c6fe | 1795 | } |
mbed_official | 340:28d1f895c6fe | 1796 | } |
mbed_official | 340:28d1f895c6fe | 1797 | |
mbed_official | 340:28d1f895c6fe | 1798 | /** |
mbed_official | 340:28d1f895c6fe | 1799 | * @} |
mbed_official | 340:28d1f895c6fe | 1800 | */ |
mbed_official | 340:28d1f895c6fe | 1801 | |
mbed_official | 340:28d1f895c6fe | 1802 | #endif /* HAL_UART_MODULE_ENABLED */ |
mbed_official | 340:28d1f895c6fe | 1803 | /** |
mbed_official | 340:28d1f895c6fe | 1804 | * @} |
mbed_official | 340:28d1f895c6fe | 1805 | */ |
mbed_official | 340:28d1f895c6fe | 1806 | |
mbed_official | 340:28d1f895c6fe | 1807 | /** |
mbed_official | 340:28d1f895c6fe | 1808 | * @} |
mbed_official | 340:28d1f895c6fe | 1809 | */ |
mbed_official | 340:28d1f895c6fe | 1810 | |
mbed_official | 340:28d1f895c6fe | 1811 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |