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Last commit 20 Feb 2019 by 
mbed official
targets/cmsis/TARGET_STM/TARGET_NUCLEO_F091RC/stm32f0xx_hal_uart_ex.c@340:28d1f895c6fe, 2014-10-09 (annotated)
- Committer:
- mbed_official
- Date:
- Thu Oct 09 08:15:07 2014 +0100
- Revision:
- 340:28d1f895c6fe
Synchronized with git revision b5a4c8e80393336b2656fb29ab46d405d3068602
Full URL: https://github.com/mbedmicro/mbed/commit/b5a4c8e80393336b2656fb29ab46d405d3068602/
HAL: nrf51822 - Few fixes for PWM and Serial
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 340:28d1f895c6fe | 1 | /** |
| mbed_official | 340:28d1f895c6fe | 2 | ****************************************************************************** |
| mbed_official | 340:28d1f895c6fe | 3 | * @file stm32f0xx_hal_uart_ex.c |
| mbed_official | 340:28d1f895c6fe | 4 | * @author MCD Application Team |
| mbed_official | 340:28d1f895c6fe | 5 | * @version V1.1.0 |
| mbed_official | 340:28d1f895c6fe | 6 | * @date 03-Oct-2014 |
| mbed_official | 340:28d1f895c6fe | 7 | * @brief Extended UART HAL module driver. |
| mbed_official | 340:28d1f895c6fe | 8 | * |
| mbed_official | 340:28d1f895c6fe | 9 | * This file provides firmware functions to manage the following extended |
| mbed_official | 340:28d1f895c6fe | 10 | * functionalities of the Universal Asynchronous Receiver Transmitter Peripheral (UART). |
| mbed_official | 340:28d1f895c6fe | 11 | * + Initialization and de-initialization functions |
| mbed_official | 340:28d1f895c6fe | 12 | * + Peripheral Control functions |
| mbed_official | 340:28d1f895c6fe | 13 | * |
| mbed_official | 340:28d1f895c6fe | 14 | * |
| mbed_official | 340:28d1f895c6fe | 15 | @verbatim |
| mbed_official | 340:28d1f895c6fe | 16 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 17 | ##### How to use this driver ##### |
| mbed_official | 340:28d1f895c6fe | 18 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 19 | [..] |
| mbed_official | 340:28d1f895c6fe | 20 | The Extended UART HAL driver can be used as follows: |
| mbed_official | 340:28d1f895c6fe | 21 | |
| mbed_official | 340:28d1f895c6fe | 22 | (#) Declare a UART_HandleTypeDef handle structure. |
| mbed_official | 340:28d1f895c6fe | 23 | |
| mbed_official | 340:28d1f895c6fe | 24 | (#) For the UART RS485 Driver Enabled mode, initialize the UART registers |
| mbed_official | 340:28d1f895c6fe | 25 | by calling the HAL_RS485Ex_Init() API. |
| mbed_official | 340:28d1f895c6fe | 26 | |
| mbed_official | 340:28d1f895c6fe | 27 | |
| mbed_official | 340:28d1f895c6fe | 28 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 29 | ****************************************************************************** |
| mbed_official | 340:28d1f895c6fe | 30 | * @attention |
| mbed_official | 340:28d1f895c6fe | 31 | * |
| mbed_official | 340:28d1f895c6fe | 32 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
| mbed_official | 340:28d1f895c6fe | 33 | * |
| mbed_official | 340:28d1f895c6fe | 34 | * Redistribution and use in source and binary forms, with or without modification, |
| mbed_official | 340:28d1f895c6fe | 35 | * are permitted provided that the following conditions are met: |
| mbed_official | 340:28d1f895c6fe | 36 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 340:28d1f895c6fe | 37 | * this list of conditions and the following disclaimer. |
| mbed_official | 340:28d1f895c6fe | 38 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 340:28d1f895c6fe | 39 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 340:28d1f895c6fe | 40 | * and/or other materials provided with the distribution. |
| mbed_official | 340:28d1f895c6fe | 41 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 340:28d1f895c6fe | 42 | * may be used to endorse or promote products derived from this software |
| mbed_official | 340:28d1f895c6fe | 43 | * without specific prior written permission. |
| mbed_official | 340:28d1f895c6fe | 44 | * |
| mbed_official | 340:28d1f895c6fe | 45 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 340:28d1f895c6fe | 46 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 340:28d1f895c6fe | 47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 340:28d1f895c6fe | 48 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 340:28d1f895c6fe | 49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 340:28d1f895c6fe | 50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 340:28d1f895c6fe | 51 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 340:28d1f895c6fe | 52 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 340:28d1f895c6fe | 53 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 340:28d1f895c6fe | 54 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 340:28d1f895c6fe | 55 | * |
| mbed_official | 340:28d1f895c6fe | 56 | ****************************************************************************** |
| mbed_official | 340:28d1f895c6fe | 57 | */ |
| mbed_official | 340:28d1f895c6fe | 58 | |
| mbed_official | 340:28d1f895c6fe | 59 | /* Includes ------------------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 60 | #include "stm32f0xx_hal.h" |
| mbed_official | 340:28d1f895c6fe | 61 | |
| mbed_official | 340:28d1f895c6fe | 62 | /** @addtogroup STM32F0xx_HAL_Driver |
| mbed_official | 340:28d1f895c6fe | 63 | * @{ |
| mbed_official | 340:28d1f895c6fe | 64 | */ |
| mbed_official | 340:28d1f895c6fe | 65 | |
| mbed_official | 340:28d1f895c6fe | 66 | /** @defgroup UARTEx UARTEx Extended HAL module driver |
| mbed_official | 340:28d1f895c6fe | 67 | * @brief UART Extended HAL module driver |
| mbed_official | 340:28d1f895c6fe | 68 | * @{ |
| mbed_official | 340:28d1f895c6fe | 69 | */ |
| mbed_official | 340:28d1f895c6fe | 70 | |
| mbed_official | 340:28d1f895c6fe | 71 | #ifdef HAL_UART_MODULE_ENABLED |
| mbed_official | 340:28d1f895c6fe | 72 | |
| mbed_official | 340:28d1f895c6fe | 73 | /* Private typedef -----------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 74 | /* Private define ------------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 75 | /* Private macro -------------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 76 | /* Private variables ---------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 77 | /* Private function prototypes -----------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 78 | |
| mbed_official | 340:28d1f895c6fe | 79 | /** @defgroup UARTEx_Private_Functions UARTEx Private Functions |
| mbed_official | 340:28d1f895c6fe | 80 | * @{ |
| mbed_official | 340:28d1f895c6fe | 81 | */ |
| mbed_official | 340:28d1f895c6fe | 82 | #if !defined(STM32F030x6) && !defined(STM32F030x8) |
| mbed_official | 340:28d1f895c6fe | 83 | static void UART_Wakeup_AddressConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection); |
| mbed_official | 340:28d1f895c6fe | 84 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8) */ |
| mbed_official | 340:28d1f895c6fe | 85 | static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart); |
| mbed_official | 340:28d1f895c6fe | 86 | |
| mbed_official | 340:28d1f895c6fe | 87 | /** |
| mbed_official | 340:28d1f895c6fe | 88 | * @} |
| mbed_official | 340:28d1f895c6fe | 89 | */ |
| mbed_official | 340:28d1f895c6fe | 90 | |
| mbed_official | 340:28d1f895c6fe | 91 | /* Exported functions ---------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 92 | |
| mbed_official | 340:28d1f895c6fe | 93 | /** @defgroup UARTEx_Exported_Functions UARTEx Exported Functions |
| mbed_official | 340:28d1f895c6fe | 94 | * @{ |
| mbed_official | 340:28d1f895c6fe | 95 | */ |
| mbed_official | 340:28d1f895c6fe | 96 | |
| mbed_official | 340:28d1f895c6fe | 97 | /** @defgroup UARTEx_Exported_Functions_Group2 Extended IO operation function |
| mbed_official | 340:28d1f895c6fe | 98 | * @brief UART Interrupt handling function |
| mbed_official | 340:28d1f895c6fe | 99 | * |
| mbed_official | 340:28d1f895c6fe | 100 | @verbatim |
| mbed_official | 340:28d1f895c6fe | 101 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 102 | ##### IO operation function ##### |
| mbed_official | 340:28d1f895c6fe | 103 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 104 | This subsection provides functions allowing to manage the UART interrupts |
| mbed_official | 340:28d1f895c6fe | 105 | and to handle Wake up interrupt call-back. |
| mbed_official | 340:28d1f895c6fe | 106 | |
| mbed_official | 340:28d1f895c6fe | 107 | (#) Non-Blocking mode API with Interrupt is : |
| mbed_official | 340:28d1f895c6fe | 108 | (+) HAL_UART_IRQHandler() |
| mbed_official | 340:28d1f895c6fe | 109 | |
| mbed_official | 340:28d1f895c6fe | 110 | (#) Callback provided in No_Blocking mode: |
| mbed_official | 340:28d1f895c6fe | 111 | (+) HAL_UART_WakeupCallback() |
| mbed_official | 340:28d1f895c6fe | 112 | |
| mbed_official | 340:28d1f895c6fe | 113 | |
| mbed_official | 340:28d1f895c6fe | 114 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 115 | * @{ |
| mbed_official | 340:28d1f895c6fe | 116 | */ |
| mbed_official | 340:28d1f895c6fe | 117 | |
| mbed_official | 340:28d1f895c6fe | 118 | /** |
| mbed_official | 340:28d1f895c6fe | 119 | * @brief This function handles UART interrupt request. |
| mbed_official | 340:28d1f895c6fe | 120 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 121 | * @retval None |
| mbed_official | 340:28d1f895c6fe | 122 | */ |
| mbed_official | 340:28d1f895c6fe | 123 | void HAL_UART_IRQHandler(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 124 | { |
| mbed_official | 340:28d1f895c6fe | 125 | /* UART parity error interrupt occurred -------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 126 | if((__HAL_UART_GET_IT(huart, UART_IT_PE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_PE) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 127 | { |
| mbed_official | 340:28d1f895c6fe | 128 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_PEF); |
| mbed_official | 340:28d1f895c6fe | 129 | |
| mbed_official | 340:28d1f895c6fe | 130 | huart->ErrorCode |= HAL_UART_ERROR_PE; |
| mbed_official | 340:28d1f895c6fe | 131 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 132 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 133 | } |
| mbed_official | 340:28d1f895c6fe | 134 | |
| mbed_official | 340:28d1f895c6fe | 135 | /* UART frame error interrupt occured --------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 136 | if((__HAL_UART_GET_IT(huart, UART_IT_FE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 137 | { |
| mbed_official | 340:28d1f895c6fe | 138 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_FEF); |
| mbed_official | 340:28d1f895c6fe | 139 | |
| mbed_official | 340:28d1f895c6fe | 140 | huart->ErrorCode |= HAL_UART_ERROR_FE; |
| mbed_official | 340:28d1f895c6fe | 141 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 142 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 143 | } |
| mbed_official | 340:28d1f895c6fe | 144 | |
| mbed_official | 340:28d1f895c6fe | 145 | /* UART noise error interrupt occured --------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 146 | if((__HAL_UART_GET_IT(huart, UART_IT_NE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 147 | { |
| mbed_official | 340:28d1f895c6fe | 148 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_NEF); |
| mbed_official | 340:28d1f895c6fe | 149 | |
| mbed_official | 340:28d1f895c6fe | 150 | huart->ErrorCode |= HAL_UART_ERROR_NE; |
| mbed_official | 340:28d1f895c6fe | 151 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 152 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 153 | } |
| mbed_official | 340:28d1f895c6fe | 154 | |
| mbed_official | 340:28d1f895c6fe | 155 | /* UART Over-Run interrupt occured -----------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 156 | if((__HAL_UART_GET_IT(huart, UART_IT_ORE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 157 | { |
| mbed_official | 340:28d1f895c6fe | 158 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_OREF); |
| mbed_official | 340:28d1f895c6fe | 159 | |
| mbed_official | 340:28d1f895c6fe | 160 | huart->ErrorCode |= HAL_UART_ERROR_ORE; |
| mbed_official | 340:28d1f895c6fe | 161 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 162 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 163 | } |
| mbed_official | 340:28d1f895c6fe | 164 | |
| mbed_official | 340:28d1f895c6fe | 165 | /* Call UART Error Call back function if need be --------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 166 | if(huart->ErrorCode != HAL_UART_ERROR_NONE) |
| mbed_official | 340:28d1f895c6fe | 167 | { |
| mbed_official | 340:28d1f895c6fe | 168 | HAL_UART_ErrorCallback(huart); |
| mbed_official | 340:28d1f895c6fe | 169 | } |
| mbed_official | 340:28d1f895c6fe | 170 | |
| mbed_official | 340:28d1f895c6fe | 171 | #if !defined(STM32F030x6) && !defined(STM32F030x8) |
| mbed_official | 340:28d1f895c6fe | 172 | /* UART wakeup from Stop mode interrupt occurred -------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 173 | if((__HAL_UART_GET_IT(huart, UART_IT_WUF) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_WUF) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 174 | { |
| mbed_official | 340:28d1f895c6fe | 175 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_WUF); |
| mbed_official | 340:28d1f895c6fe | 176 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 177 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 178 | HAL_UART_WakeupCallback(huart); |
| mbed_official | 340:28d1f895c6fe | 179 | } |
| mbed_official | 340:28d1f895c6fe | 180 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8) */ |
| mbed_official | 340:28d1f895c6fe | 181 | |
| mbed_official | 340:28d1f895c6fe | 182 | /* UART in mode Receiver ---------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 183 | if((__HAL_UART_GET_IT(huart, UART_IT_RXNE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 184 | { |
| mbed_official | 340:28d1f895c6fe | 185 | UART_Receive_IT(huart); |
| mbed_official | 340:28d1f895c6fe | 186 | /* Clear RXNE interrupt flag */ |
| mbed_official | 340:28d1f895c6fe | 187 | __HAL_UART_SEND_REQ(huart, UART_RXDATA_FLUSH_REQUEST); |
| mbed_official | 340:28d1f895c6fe | 188 | } |
| mbed_official | 340:28d1f895c6fe | 189 | |
| mbed_official | 340:28d1f895c6fe | 190 | |
| mbed_official | 340:28d1f895c6fe | 191 | /* UART in mode Transmitter ------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 192 | if((__HAL_UART_GET_IT(huart, UART_IT_TXE) != RESET) &&(__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TXE) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 193 | { |
| mbed_official | 340:28d1f895c6fe | 194 | UART_Transmit_IT(huart); |
| mbed_official | 340:28d1f895c6fe | 195 | } |
| mbed_official | 340:28d1f895c6fe | 196 | |
| mbed_official | 340:28d1f895c6fe | 197 | /* UART in mode Transmitter ------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 198 | if((__HAL_UART_GET_IT(huart, UART_IT_TC) != RESET) &&(__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TC) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 199 | { |
| mbed_official | 340:28d1f895c6fe | 200 | UART_EndTransmit_IT(huart); |
| mbed_official | 340:28d1f895c6fe | 201 | } |
| mbed_official | 340:28d1f895c6fe | 202 | } |
| mbed_official | 340:28d1f895c6fe | 203 | |
| mbed_official | 340:28d1f895c6fe | 204 | #if !defined(STM32F030x6) && !defined(STM32F030x8) |
| mbed_official | 340:28d1f895c6fe | 205 | /** |
| mbed_official | 340:28d1f895c6fe | 206 | * @brief UART wakeup from Stop mode callback |
| mbed_official | 340:28d1f895c6fe | 207 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 208 | * @retval None |
| mbed_official | 340:28d1f895c6fe | 209 | */ |
| mbed_official | 340:28d1f895c6fe | 210 | __weak void HAL_UART_WakeupCallback(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 211 | { |
| mbed_official | 340:28d1f895c6fe | 212 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 340:28d1f895c6fe | 213 | the HAL_UART_WakeupCallback can be implemented in the user file |
| mbed_official | 340:28d1f895c6fe | 214 | */ |
| mbed_official | 340:28d1f895c6fe | 215 | } |
| mbed_official | 340:28d1f895c6fe | 216 | #endif /*!defined(STM32F030x6) && !defined(STM32F030x8)*/ |
| mbed_official | 340:28d1f895c6fe | 217 | |
| mbed_official | 340:28d1f895c6fe | 218 | /** |
| mbed_official | 340:28d1f895c6fe | 219 | * @} |
| mbed_official | 340:28d1f895c6fe | 220 | */ |
| mbed_official | 340:28d1f895c6fe | 221 | |
| mbed_official | 340:28d1f895c6fe | 222 | /** @defgroup UARTEx_Exported_Functions_Group1 Extended Initialization/de-initialization functions |
| mbed_official | 340:28d1f895c6fe | 223 | * @brief Extended Initialization and Configuration Functions |
| mbed_official | 340:28d1f895c6fe | 224 | * |
| mbed_official | 340:28d1f895c6fe | 225 | @verbatim |
| mbed_official | 340:28d1f895c6fe | 226 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 227 | ##### Initialization and Configuration functions ##### |
| mbed_official | 340:28d1f895c6fe | 228 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 229 | [..] |
| mbed_official | 340:28d1f895c6fe | 230 | This subsection provides a set of functions allowing to initialize the USARTx or the UARTy |
| mbed_official | 340:28d1f895c6fe | 231 | in asynchronous mode. |
| mbed_official | 340:28d1f895c6fe | 232 | (+) For the asynchronous mode only these parameters can be configured: |
| mbed_official | 340:28d1f895c6fe | 233 | (++) Baud Rate |
| mbed_official | 340:28d1f895c6fe | 234 | (++) Word Length |
| mbed_official | 340:28d1f895c6fe | 235 | (++) Stop Bit |
| mbed_official | 340:28d1f895c6fe | 236 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
| mbed_official | 340:28d1f895c6fe | 237 | in the data register is transmitted but is changed by the parity bit. |
| mbed_official | 340:28d1f895c6fe | 238 | Depending on the frame length defined by the M bit (8-bits or 9-bits), |
| mbed_official | 340:28d1f895c6fe | 239 | the possible UART frame formats are as listed in the following table: |
| mbed_official | 340:28d1f895c6fe | 240 | |-----------|-----------|---------------------------------------| |
| mbed_official | 340:28d1f895c6fe | 241 | | M1M0 bits | PCE bit | UART frame | |
| mbed_official | 340:28d1f895c6fe | 242 | |-----------------------|---------------------------------------| |
| mbed_official | 340:28d1f895c6fe | 243 | | 00 | 0 | | SB | 8-bit data | STB | | |
| mbed_official | 340:28d1f895c6fe | 244 | |-----------|-----------|---------------------------------------| |
| mbed_official | 340:28d1f895c6fe | 245 | | 00 | 1 | | SB | 7-bit data | PB | STB | | |
| mbed_official | 340:28d1f895c6fe | 246 | |-----------|-----------|---------------------------------------| |
| mbed_official | 340:28d1f895c6fe | 247 | | 01 | 0 | | SB | 9-bit data | STB | | |
| mbed_official | 340:28d1f895c6fe | 248 | |-----------|-----------|---------------------------------------| |
| mbed_official | 340:28d1f895c6fe | 249 | | 01 | 1 | | SB | 8-bit data | PB | STB | | |
| mbed_official | 340:28d1f895c6fe | 250 | +---------------------------------------------------------------+ |
| mbed_official | 340:28d1f895c6fe | 251 | | 10 | 0 | | SB | 7-bit data | STB | | |
| mbed_official | 340:28d1f895c6fe | 252 | |-----------|-----------|---------------------------------------| |
| mbed_official | 340:28d1f895c6fe | 253 | | 10 | 1 | | SB | 6-bit data | PB | STB | | |
| mbed_official | 340:28d1f895c6fe | 254 | +---------------------------------------------------------------+ |
| mbed_official | 340:28d1f895c6fe | 255 | (++) Hardware flow control |
| mbed_official | 340:28d1f895c6fe | 256 | (++) Receiver/transmitter modes |
| mbed_official | 340:28d1f895c6fe | 257 | (++) Over Sampling Method |
| mbed_official | 340:28d1f895c6fe | 258 | (++) One-Bit Sampling Method |
| mbed_official | 340:28d1f895c6fe | 259 | (+) For the asynchronous mode, the following advanced features can be configured as well: |
| mbed_official | 340:28d1f895c6fe | 260 | (++) TX and/or RX pin level inversion |
| mbed_official | 340:28d1f895c6fe | 261 | (++) data logical level inversion |
| mbed_official | 340:28d1f895c6fe | 262 | (++) RX and TX pins swap |
| mbed_official | 340:28d1f895c6fe | 263 | (++) RX overrun detection disabling |
| mbed_official | 340:28d1f895c6fe | 264 | (++) DMA disabling on RX error |
| mbed_official | 340:28d1f895c6fe | 265 | (++) MSB first on communication line |
| mbed_official | 340:28d1f895c6fe | 266 | (++) auto Baud rate detection |
| mbed_official | 340:28d1f895c6fe | 267 | [..] |
| mbed_official | 340:28d1f895c6fe | 268 | The HAL_LIN_Init() and HAL_RS485Ex_Init() APIs follows respectively the LIN and |
| mbed_official | 340:28d1f895c6fe | 269 | the UART RS485 mode configuration procedures (details for the procedures are |
| mbed_official | 340:28d1f895c6fe | 270 | available in reference manual). |
| mbed_official | 340:28d1f895c6fe | 271 | |
| mbed_official | 340:28d1f895c6fe | 272 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 273 | * @{ |
| mbed_official | 340:28d1f895c6fe | 274 | */ |
| mbed_official | 340:28d1f895c6fe | 275 | |
| mbed_official | 340:28d1f895c6fe | 276 | |
| mbed_official | 340:28d1f895c6fe | 277 | /** |
| mbed_official | 340:28d1f895c6fe | 278 | * @brief Initializes the RS485 Driver enable feature according to the specified |
| mbed_official | 340:28d1f895c6fe | 279 | * parameters in the UART_InitTypeDef and creates the associated handle . |
| mbed_official | 340:28d1f895c6fe | 280 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 281 | * @param UART_DEPolarity: select the driver enable polarity |
| mbed_official | 340:28d1f895c6fe | 282 | * This parameter can be one of the following values: |
| mbed_official | 340:28d1f895c6fe | 283 | * @arg UART_DE_POLARITY_HIGH: DE signal is active high |
| mbed_official | 340:28d1f895c6fe | 284 | * @arg UART_DE_POLARITY_LOW: DE signal is active low |
| mbed_official | 340:28d1f895c6fe | 285 | * @param UART_DEAssertionTime: Driver Enable assertion time |
| mbed_official | 340:28d1f895c6fe | 286 | * 5-bit value defining the time between the activation of the DE (Driver Enable) |
| mbed_official | 340:28d1f895c6fe | 287 | * signal and the beginning of the start bit. It is expressed in sample time |
| mbed_official | 340:28d1f895c6fe | 288 | * units (1/8 or 1/16 bit time, depending on the oversampling rate) |
| mbed_official | 340:28d1f895c6fe | 289 | * @param UART_DEDeassertionTime: Driver Enable deassertion time |
| mbed_official | 340:28d1f895c6fe | 290 | * 5-bit value defining the time between the end of the last stop bit, in a |
| mbed_official | 340:28d1f895c6fe | 291 | * transmitted message, and the de-activation of the DE (Driver Enable) signal. |
| mbed_official | 340:28d1f895c6fe | 292 | * It is expressed in sample time units (1/8 or 1/16 bit time, depending on the |
| mbed_official | 340:28d1f895c6fe | 293 | * oversampling rate). |
| mbed_official | 340:28d1f895c6fe | 294 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 295 | */ |
| mbed_official | 340:28d1f895c6fe | 296 | HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t UART_DEPolarity, uint32_t UART_DEAssertionTime, uint32_t UART_DEDeassertionTime) |
| mbed_official | 340:28d1f895c6fe | 297 | { |
| mbed_official | 340:28d1f895c6fe | 298 | uint32_t temp = 0x0; |
| mbed_official | 340:28d1f895c6fe | 299 | |
| mbed_official | 340:28d1f895c6fe | 300 | /* Check the UART handle allocation */ |
| mbed_official | 340:28d1f895c6fe | 301 | if(huart == HAL_NULL) |
| mbed_official | 340:28d1f895c6fe | 302 | { |
| mbed_official | 340:28d1f895c6fe | 303 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 304 | } |
| mbed_official | 340:28d1f895c6fe | 305 | /* Check the Driver Enable UART instance */ |
| mbed_official | 340:28d1f895c6fe | 306 | assert_param(IS_UART_DRIVER_ENABLE_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 307 | |
| mbed_official | 340:28d1f895c6fe | 308 | /* Check the Driver Enable polarity */ |
| mbed_official | 340:28d1f895c6fe | 309 | assert_param(IS_UART_DE_POLARITY(UART_DEPolarity)); |
| mbed_official | 340:28d1f895c6fe | 310 | |
| mbed_official | 340:28d1f895c6fe | 311 | /* Check the Driver Enable assertion time */ |
| mbed_official | 340:28d1f895c6fe | 312 | assert_param(IS_UART_ASSERTIONTIME(UART_DEAssertionTime)); |
| mbed_official | 340:28d1f895c6fe | 313 | |
| mbed_official | 340:28d1f895c6fe | 314 | /* Check the Driver Enable deassertion time */ |
| mbed_official | 340:28d1f895c6fe | 315 | assert_param(IS_UART_DEASSERTIONTIME(UART_DEDeassertionTime)); |
| mbed_official | 340:28d1f895c6fe | 316 | |
| mbed_official | 340:28d1f895c6fe | 317 | if(huart->State == HAL_UART_STATE_RESET) |
| mbed_official | 340:28d1f895c6fe | 318 | { |
| mbed_official | 340:28d1f895c6fe | 319 | /* Init the low level hardware : GPIO, CLOCK */ |
| mbed_official | 340:28d1f895c6fe | 320 | HAL_UART_MspInit(huart); |
| mbed_official | 340:28d1f895c6fe | 321 | } |
| mbed_official | 340:28d1f895c6fe | 322 | |
| mbed_official | 340:28d1f895c6fe | 323 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 340:28d1f895c6fe | 324 | |
| mbed_official | 340:28d1f895c6fe | 325 | /* Disable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 326 | __HAL_UART_DISABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 327 | |
| mbed_official | 340:28d1f895c6fe | 328 | /* Set the UART Communication parameters */ |
| mbed_official | 340:28d1f895c6fe | 329 | if (UART_SetConfig(huart) == HAL_ERROR) |
| mbed_official | 340:28d1f895c6fe | 330 | { |
| mbed_official | 340:28d1f895c6fe | 331 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 332 | } |
| mbed_official | 340:28d1f895c6fe | 333 | |
| mbed_official | 340:28d1f895c6fe | 334 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
| mbed_official | 340:28d1f895c6fe | 335 | { |
| mbed_official | 340:28d1f895c6fe | 336 | UART_AdvFeatureConfig(huart); |
| mbed_official | 340:28d1f895c6fe | 337 | } |
| mbed_official | 340:28d1f895c6fe | 338 | |
| mbed_official | 340:28d1f895c6fe | 339 | /* Enable the Driver Enable mode by setting the DEM bit in the CR3 register */ |
| mbed_official | 340:28d1f895c6fe | 340 | huart->Instance->CR3 |= USART_CR3_DEM; |
| mbed_official | 340:28d1f895c6fe | 341 | |
| mbed_official | 340:28d1f895c6fe | 342 | /* Set the Driver Enable polarity */ |
| mbed_official | 340:28d1f895c6fe | 343 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DEP, UART_DEPolarity); |
| mbed_official | 340:28d1f895c6fe | 344 | |
| mbed_official | 340:28d1f895c6fe | 345 | /* Set the Driver Enable assertion and deassertion times */ |
| mbed_official | 340:28d1f895c6fe | 346 | temp = (UART_DEAssertionTime << UART_CR1_DEAT_ADDRESS_LSB_POS); |
| mbed_official | 340:28d1f895c6fe | 347 | temp |= (UART_DEDeassertionTime << UART_CR1_DEDT_ADDRESS_LSB_POS); |
| mbed_official | 340:28d1f895c6fe | 348 | MODIFY_REG(huart->Instance->CR1, (USART_CR1_DEDT|USART_CR1_DEAT), temp); |
| mbed_official | 340:28d1f895c6fe | 349 | |
| mbed_official | 340:28d1f895c6fe | 350 | /* Enable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 351 | __HAL_UART_ENABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 352 | |
| mbed_official | 340:28d1f895c6fe | 353 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
| mbed_official | 340:28d1f895c6fe | 354 | return (UART_CheckIdleState(huart)); |
| mbed_official | 340:28d1f895c6fe | 355 | } |
| mbed_official | 340:28d1f895c6fe | 356 | |
| mbed_official | 340:28d1f895c6fe | 357 | |
| mbed_official | 340:28d1f895c6fe | 358 | #if !defined(STM32F030x6) && !defined(STM32F030x8) |
| mbed_official | 340:28d1f895c6fe | 359 | /** |
| mbed_official | 340:28d1f895c6fe | 360 | * @brief Initializes the LIN mode according to the specified |
| mbed_official | 340:28d1f895c6fe | 361 | * parameters in the UART_InitTypeDef and creates the associated handle . |
| mbed_official | 340:28d1f895c6fe | 362 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 363 | * @param BreakDetectLength: specifies the LIN break detection length. |
| mbed_official | 340:28d1f895c6fe | 364 | * This parameter can be one of the following values: |
| mbed_official | 340:28d1f895c6fe | 365 | * @arg UART_LINBREAKDETECTLENGTH_10B: 10-bit break detection |
| mbed_official | 340:28d1f895c6fe | 366 | * @arg UART_LINBREAKDETECTLENGTH_11B: 11-bit break detection |
| mbed_official | 340:28d1f895c6fe | 367 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 368 | */ |
| mbed_official | 340:28d1f895c6fe | 369 | HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength) |
| mbed_official | 340:28d1f895c6fe | 370 | { |
| mbed_official | 340:28d1f895c6fe | 371 | /* Check the UART handle allocation */ |
| mbed_official | 340:28d1f895c6fe | 372 | if(huart == HAL_NULL) |
| mbed_official | 340:28d1f895c6fe | 373 | { |
| mbed_official | 340:28d1f895c6fe | 374 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 375 | } |
| mbed_official | 340:28d1f895c6fe | 376 | |
| mbed_official | 340:28d1f895c6fe | 377 | /* Check the parameters */ |
| mbed_official | 340:28d1f895c6fe | 378 | assert_param(IS_UART_LIN_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 379 | assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength)); |
| mbed_official | 340:28d1f895c6fe | 380 | |
| mbed_official | 340:28d1f895c6fe | 381 | /* LIN mode limited to 16-bit oversampling only */ |
| mbed_official | 340:28d1f895c6fe | 382 | if(huart->Init.OverSampling == UART_OVERSAMPLING_8) |
| mbed_official | 340:28d1f895c6fe | 383 | { |
| mbed_official | 340:28d1f895c6fe | 384 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 385 | } |
| mbed_official | 340:28d1f895c6fe | 386 | |
| mbed_official | 340:28d1f895c6fe | 387 | /* Init the low level hardware : GPIO, CLOCK, CORTEX */ |
| mbed_official | 340:28d1f895c6fe | 388 | HAL_UART_MspInit(huart); |
| mbed_official | 340:28d1f895c6fe | 389 | |
| mbed_official | 340:28d1f895c6fe | 390 | /* Disable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 391 | __HAL_UART_DISABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 392 | |
| mbed_official | 340:28d1f895c6fe | 393 | /* Set the UART Communication parameters */ |
| mbed_official | 340:28d1f895c6fe | 394 | if (UART_SetConfig(huart) == HAL_ERROR) |
| mbed_official | 340:28d1f895c6fe | 395 | { |
| mbed_official | 340:28d1f895c6fe | 396 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 397 | } |
| mbed_official | 340:28d1f895c6fe | 398 | |
| mbed_official | 340:28d1f895c6fe | 399 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
| mbed_official | 340:28d1f895c6fe | 400 | { |
| mbed_official | 340:28d1f895c6fe | 401 | UART_AdvFeatureConfig(huart); |
| mbed_official | 340:28d1f895c6fe | 402 | } |
| mbed_official | 340:28d1f895c6fe | 403 | |
| mbed_official | 340:28d1f895c6fe | 404 | /* In LIN mode, the following bits must be kept cleared: |
| mbed_official | 340:28d1f895c6fe | 405 | - LINEN and CLKEN bits in the USART_CR2 register, |
| mbed_official | 340:28d1f895c6fe | 406 | - SCEN and IREN bits in the USART_CR3 register.*/ |
| mbed_official | 340:28d1f895c6fe | 407 | huart->Instance->CR2 &= ~(USART_CR2_CLKEN); |
| mbed_official | 340:28d1f895c6fe | 408 | huart->Instance->CR3 &= ~(USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN); |
| mbed_official | 340:28d1f895c6fe | 409 | |
| mbed_official | 340:28d1f895c6fe | 410 | /* Enable the LIN mode by setting the LINEN bit in the CR2 register */ |
| mbed_official | 340:28d1f895c6fe | 411 | huart->Instance->CR2 |= USART_CR2_LINEN; |
| mbed_official | 340:28d1f895c6fe | 412 | |
| mbed_official | 340:28d1f895c6fe | 413 | /* Set the USART LIN Break detection length. */ |
| mbed_official | 340:28d1f895c6fe | 414 | MODIFY_REG(huart->Instance->CR2, USART_CR2_LBDL, BreakDetectLength); |
| mbed_official | 340:28d1f895c6fe | 415 | |
| mbed_official | 340:28d1f895c6fe | 416 | /* Enable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 417 | __HAL_UART_ENABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 418 | |
| mbed_official | 340:28d1f895c6fe | 419 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
| mbed_official | 340:28d1f895c6fe | 420 | return (UART_CheckIdleState(huart)); |
| mbed_official | 340:28d1f895c6fe | 421 | } |
| mbed_official | 340:28d1f895c6fe | 422 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8) */ |
| mbed_official | 340:28d1f895c6fe | 423 | /** |
| mbed_official | 340:28d1f895c6fe | 424 | * @} |
| mbed_official | 340:28d1f895c6fe | 425 | */ |
| mbed_official | 340:28d1f895c6fe | 426 | |
| mbed_official | 340:28d1f895c6fe | 427 | /** @defgroup UARTEx_Exported_Functions_Group3 Extended Peripheral Control functions |
| mbed_official | 340:28d1f895c6fe | 428 | * @brief Extended Peripheral Control functions |
| mbed_official | 340:28d1f895c6fe | 429 | * |
| mbed_official | 340:28d1f895c6fe | 430 | @verbatim |
| mbed_official | 340:28d1f895c6fe | 431 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 432 | ##### Peripheral Control function ##### |
| mbed_official | 340:28d1f895c6fe | 433 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 434 | [..] |
| mbed_official | 340:28d1f895c6fe | 435 | This subsection provides extended functions allowing to control the UART. |
| mbed_official | 340:28d1f895c6fe | 436 | (+) HAL_MultiProcessorEx_AddressLength_Set() API optionally sets the UART node address |
| mbed_official | 340:28d1f895c6fe | 437 | detection length to more than 4 bits for multiprocessor address mark wake up. |
| mbed_official | 340:28d1f895c6fe | 438 | (+) HAL_UART_EnableStopMode() API allows the UART to wake up the MCU from Stop mode as |
| mbed_official | 340:28d1f895c6fe | 439 | long as UART clock is HSI or LSE |
| mbed_official | 340:28d1f895c6fe | 440 | (+) HAL_UART_DisableStopMode() API disables the above feature |
| mbed_official | 340:28d1f895c6fe | 441 | (+) HAL_MultiProcessorEx_AddressLength_Set() API configures the address length when the |
| mbed_official | 340:28d1f895c6fe | 442 | wake-up event is the address match feature |
| mbed_official | 340:28d1f895c6fe | 443 | (+) UART_Wakeup_AddressConfig() API sets the reference address used when address |
| mbed_official | 340:28d1f895c6fe | 444 | match feature is carried out |
| mbed_official | 340:28d1f895c6fe | 445 | |
| mbed_official | 340:28d1f895c6fe | 446 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 447 | * @{ |
| mbed_official | 340:28d1f895c6fe | 448 | */ |
| mbed_official | 340:28d1f895c6fe | 449 | |
| mbed_official | 340:28d1f895c6fe | 450 | #if !defined(STM32F030x6) && !defined(STM32F030x8) |
| mbed_official | 340:28d1f895c6fe | 451 | /** |
| mbed_official | 340:28d1f895c6fe | 452 | * @brief Set Wakeup from Stop mode interrupt flag selection |
| mbed_official | 340:28d1f895c6fe | 453 | * @param huart: uart handle, |
| mbed_official | 340:28d1f895c6fe | 454 | * @param WakeUpSelection: address match, Start Bit detection or RXNE bit status. |
| mbed_official | 340:28d1f895c6fe | 455 | * This parameter can be one of the following values: |
| mbed_official | 340:28d1f895c6fe | 456 | * @arg UART_WAKEUP_ON_ADDRESS |
| mbed_official | 340:28d1f895c6fe | 457 | * @arg UART_WAKEUP_ON_STARTBIT |
| mbed_official | 340:28d1f895c6fe | 458 | * @arg UART_WAKEUP_ON_READDATA_NONEMPTY |
| mbed_official | 340:28d1f895c6fe | 459 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 460 | */ |
| mbed_official | 340:28d1f895c6fe | 461 | HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
| mbed_official | 340:28d1f895c6fe | 462 | { |
| mbed_official | 340:28d1f895c6fe | 463 | /* Check parameters */ |
| mbed_official | 340:28d1f895c6fe | 464 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 465 | assert_param(IS_UART_WAKEUP_SELECTION(WakeUpSelection.WakeUpEvent)); |
| mbed_official | 340:28d1f895c6fe | 466 | |
| mbed_official | 340:28d1f895c6fe | 467 | /* Process Locked */ |
| mbed_official | 340:28d1f895c6fe | 468 | __HAL_LOCK(huart); |
| mbed_official | 340:28d1f895c6fe | 469 | |
| mbed_official | 340:28d1f895c6fe | 470 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 340:28d1f895c6fe | 471 | |
| mbed_official | 340:28d1f895c6fe | 472 | /* Disable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 473 | __HAL_UART_DISABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 474 | |
| mbed_official | 340:28d1f895c6fe | 475 | /* Set the wake-up selection scheme */ |
| mbed_official | 340:28d1f895c6fe | 476 | MODIFY_REG(huart->Instance->CR3, USART_CR3_WUS, WakeUpSelection.WakeUpEvent); |
| mbed_official | 340:28d1f895c6fe | 477 | |
| mbed_official | 340:28d1f895c6fe | 478 | if (WakeUpSelection.WakeUpEvent == UART_WAKEUP_ON_ADDRESS) |
| mbed_official | 340:28d1f895c6fe | 479 | { |
| mbed_official | 340:28d1f895c6fe | 480 | UART_Wakeup_AddressConfig(huart, WakeUpSelection); |
| mbed_official | 340:28d1f895c6fe | 481 | } |
| mbed_official | 340:28d1f895c6fe | 482 | |
| mbed_official | 340:28d1f895c6fe | 483 | /* Enable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 484 | __HAL_UART_ENABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 485 | |
| mbed_official | 340:28d1f895c6fe | 486 | /* Wait until REACK flag is set */ |
| mbed_official | 340:28d1f895c6fe | 487 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, HAL_UART_TIMEOUT_VALUE) != HAL_OK) |
| mbed_official | 340:28d1f895c6fe | 488 | { |
| mbed_official | 340:28d1f895c6fe | 489 | return HAL_TIMEOUT; |
| mbed_official | 340:28d1f895c6fe | 490 | } |
| mbed_official | 340:28d1f895c6fe | 491 | else |
| mbed_official | 340:28d1f895c6fe | 492 | { |
| mbed_official | 340:28d1f895c6fe | 493 | /* Initialize the UART State */ |
| mbed_official | 340:28d1f895c6fe | 494 | huart->State= HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 495 | /* Process Unlocked */ |
| mbed_official | 340:28d1f895c6fe | 496 | __HAL_UNLOCK(huart); |
| mbed_official | 340:28d1f895c6fe | 497 | return HAL_OK; |
| mbed_official | 340:28d1f895c6fe | 498 | } |
| mbed_official | 340:28d1f895c6fe | 499 | } |
| mbed_official | 340:28d1f895c6fe | 500 | |
| mbed_official | 340:28d1f895c6fe | 501 | /** |
| mbed_official | 340:28d1f895c6fe | 502 | * @brief Enable UART Stop Mode |
| mbed_official | 340:28d1f895c6fe | 503 | * The UART is able to wake up the MCU from Stop mode as long as UART clock is HSI or LSE |
| mbed_official | 340:28d1f895c6fe | 504 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 505 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 506 | */ |
| mbed_official | 340:28d1f895c6fe | 507 | HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 508 | { |
| mbed_official | 340:28d1f895c6fe | 509 | /* Check parameter */ |
| mbed_official | 340:28d1f895c6fe | 510 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 511 | |
| mbed_official | 340:28d1f895c6fe | 512 | /* Process Locked */ |
| mbed_official | 340:28d1f895c6fe | 513 | __HAL_LOCK(huart); |
| mbed_official | 340:28d1f895c6fe | 514 | |
| mbed_official | 340:28d1f895c6fe | 515 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 340:28d1f895c6fe | 516 | |
| mbed_official | 340:28d1f895c6fe | 517 | /* Set the USART UESM bit */ |
| mbed_official | 340:28d1f895c6fe | 518 | huart->Instance->CR1 |= USART_CR1_UESM; |
| mbed_official | 340:28d1f895c6fe | 519 | |
| mbed_official | 340:28d1f895c6fe | 520 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 521 | |
| mbed_official | 340:28d1f895c6fe | 522 | /* Process Unlocked */ |
| mbed_official | 340:28d1f895c6fe | 523 | __HAL_UNLOCK(huart); |
| mbed_official | 340:28d1f895c6fe | 524 | |
| mbed_official | 340:28d1f895c6fe | 525 | return HAL_OK; |
| mbed_official | 340:28d1f895c6fe | 526 | } |
| mbed_official | 340:28d1f895c6fe | 527 | |
| mbed_official | 340:28d1f895c6fe | 528 | /** |
| mbed_official | 340:28d1f895c6fe | 529 | * @brief Disable UART Stop Mode |
| mbed_official | 340:28d1f895c6fe | 530 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 531 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 532 | */ |
| mbed_official | 340:28d1f895c6fe | 533 | HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 534 | { |
| mbed_official | 340:28d1f895c6fe | 535 | /* Check parameter */ |
| mbed_official | 340:28d1f895c6fe | 536 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 537 | |
| mbed_official | 340:28d1f895c6fe | 538 | /* Process Locked */ |
| mbed_official | 340:28d1f895c6fe | 539 | __HAL_LOCK(huart); |
| mbed_official | 340:28d1f895c6fe | 540 | |
| mbed_official | 340:28d1f895c6fe | 541 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 340:28d1f895c6fe | 542 | |
| mbed_official | 340:28d1f895c6fe | 543 | /* Clear USART UESM bit */ |
| mbed_official | 340:28d1f895c6fe | 544 | huart->Instance->CR1 &= ~(USART_CR1_UESM); |
| mbed_official | 340:28d1f895c6fe | 545 | |
| mbed_official | 340:28d1f895c6fe | 546 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 547 | |
| mbed_official | 340:28d1f895c6fe | 548 | /* Process Unlocked */ |
| mbed_official | 340:28d1f895c6fe | 549 | __HAL_UNLOCK(huart); |
| mbed_official | 340:28d1f895c6fe | 550 | |
| mbed_official | 340:28d1f895c6fe | 551 | return HAL_OK; |
| mbed_official | 340:28d1f895c6fe | 552 | } |
| mbed_official | 340:28d1f895c6fe | 553 | |
| mbed_official | 340:28d1f895c6fe | 554 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8) */ |
| mbed_official | 340:28d1f895c6fe | 555 | |
| mbed_official | 340:28d1f895c6fe | 556 | /** |
| mbed_official | 340:28d1f895c6fe | 557 | * @brief By default in multiprocessor mode, when the wake up method is set |
| mbed_official | 340:28d1f895c6fe | 558 | * to address mark, the UART handles only 4-bit long addresses detection. |
| mbed_official | 340:28d1f895c6fe | 559 | * This API allows to enable longer addresses detection (6-, 7- or 8-bit |
| mbed_official | 340:28d1f895c6fe | 560 | * long): |
| mbed_official | 340:28d1f895c6fe | 561 | * - 6-bit address detection in 7-bit data mode |
| mbed_official | 340:28d1f895c6fe | 562 | * - 7-bit address detection in 8-bit data mode |
| mbed_official | 340:28d1f895c6fe | 563 | * - 8-bit address detection in 9-bit data mode |
| mbed_official | 340:28d1f895c6fe | 564 | * @param huart: UART handle |
| mbed_official | 340:28d1f895c6fe | 565 | * @param AddressLength: this parameter can be one of the following values: |
| mbed_official | 340:28d1f895c6fe | 566 | * @arg UART_ADDRESS_DETECT_4B: 4-bit long address |
| mbed_official | 340:28d1f895c6fe | 567 | * @arg UART_ADDRESS_DETECT_7B: 6-, 7- or 8-bit long address |
| mbed_official | 340:28d1f895c6fe | 568 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 569 | */ |
| mbed_official | 340:28d1f895c6fe | 570 | HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength) |
| mbed_official | 340:28d1f895c6fe | 571 | { |
| mbed_official | 340:28d1f895c6fe | 572 | /* Check the UART handle allocation */ |
| mbed_official | 340:28d1f895c6fe | 573 | if(huart == HAL_NULL) |
| mbed_official | 340:28d1f895c6fe | 574 | { |
| mbed_official | 340:28d1f895c6fe | 575 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 576 | } |
| mbed_official | 340:28d1f895c6fe | 577 | |
| mbed_official | 340:28d1f895c6fe | 578 | /* Check the address length parameter */ |
| mbed_official | 340:28d1f895c6fe | 579 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(AddressLength)); |
| mbed_official | 340:28d1f895c6fe | 580 | |
| mbed_official | 340:28d1f895c6fe | 581 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 340:28d1f895c6fe | 582 | |
| mbed_official | 340:28d1f895c6fe | 583 | /* Disable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 584 | __HAL_UART_DISABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 585 | |
| mbed_official | 340:28d1f895c6fe | 586 | /* Set the address length */ |
| mbed_official | 340:28d1f895c6fe | 587 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, AddressLength); |
| mbed_official | 340:28d1f895c6fe | 588 | |
| mbed_official | 340:28d1f895c6fe | 589 | /* Enable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 590 | __HAL_UART_ENABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 591 | |
| mbed_official | 340:28d1f895c6fe | 592 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
| mbed_official | 340:28d1f895c6fe | 593 | return (UART_CheckIdleState(huart)); |
| mbed_official | 340:28d1f895c6fe | 594 | } |
| mbed_official | 340:28d1f895c6fe | 595 | |
| mbed_official | 340:28d1f895c6fe | 596 | |
| mbed_official | 340:28d1f895c6fe | 597 | #if !defined(STM32F030x6) && !defined(STM32F030x8) |
| mbed_official | 340:28d1f895c6fe | 598 | /** |
| mbed_official | 340:28d1f895c6fe | 599 | * @brief Initializes the UART wake-up from stop mode parameters when triggered by address detection. |
| mbed_official | 340:28d1f895c6fe | 600 | * @param huart: uart handle |
| mbed_official | 340:28d1f895c6fe | 601 | * @param WakeUpSelection: UART wake up from stop mode parameters |
| mbed_official | 340:28d1f895c6fe | 602 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 603 | */ |
| mbed_official | 340:28d1f895c6fe | 604 | static void UART_Wakeup_AddressConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
| mbed_official | 340:28d1f895c6fe | 605 | { |
| mbed_official | 340:28d1f895c6fe | 606 | /* Check parmeters */ |
| mbed_official | 340:28d1f895c6fe | 607 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 608 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(WakeUpSelection.AddressLength)); |
| mbed_official | 340:28d1f895c6fe | 609 | |
| mbed_official | 340:28d1f895c6fe | 610 | /* Set the USART address length */ |
| mbed_official | 340:28d1f895c6fe | 611 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, WakeUpSelection.AddressLength); |
| mbed_official | 340:28d1f895c6fe | 612 | |
| mbed_official | 340:28d1f895c6fe | 613 | /* Set the USART address node */ |
| mbed_official | 340:28d1f895c6fe | 614 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADD, ((uint32_t)WakeUpSelection.Address << UART_CR2_ADDRESS_LSB_POS)); |
| mbed_official | 340:28d1f895c6fe | 615 | } |
| mbed_official | 340:28d1f895c6fe | 616 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8) */ |
| mbed_official | 340:28d1f895c6fe | 617 | |
| mbed_official | 340:28d1f895c6fe | 618 | /** |
| mbed_official | 340:28d1f895c6fe | 619 | * @} |
| mbed_official | 340:28d1f895c6fe | 620 | */ |
| mbed_official | 340:28d1f895c6fe | 621 | |
| mbed_official | 340:28d1f895c6fe | 622 | /** |
| mbed_official | 340:28d1f895c6fe | 623 | * @} |
| mbed_official | 340:28d1f895c6fe | 624 | */ |
| mbed_official | 340:28d1f895c6fe | 625 | |
| mbed_official | 340:28d1f895c6fe | 626 | /** @addtogroup UARTEx_Private_Functions |
| mbed_official | 340:28d1f895c6fe | 627 | * @{ |
| mbed_official | 340:28d1f895c6fe | 628 | */ |
| mbed_official | 340:28d1f895c6fe | 629 | |
| mbed_official | 340:28d1f895c6fe | 630 | /** |
| mbed_official | 340:28d1f895c6fe | 631 | * @brief Wraps up transmission in non blocking mode. |
| mbed_official | 340:28d1f895c6fe | 632 | * @param huart: pointer to a UART_HandleTypeDef structure that contains |
| mbed_official | 340:28d1f895c6fe | 633 | * the configuration information for the specified UART module. |
| mbed_official | 340:28d1f895c6fe | 634 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 635 | */ |
| mbed_official | 340:28d1f895c6fe | 636 | static HAL_StatusTypeDef UART_EndTransmit_IT(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 637 | { |
| mbed_official | 340:28d1f895c6fe | 638 | /* Disable the UART Transmit Complete Interrupt */ |
| mbed_official | 340:28d1f895c6fe | 639 | __HAL_UART_DISABLE_IT(huart, UART_IT_TC); |
| mbed_official | 340:28d1f895c6fe | 640 | |
| mbed_official | 340:28d1f895c6fe | 641 | /* Check if a receive process is ongoing or not */ |
| mbed_official | 340:28d1f895c6fe | 642 | if(huart->State == HAL_UART_STATE_BUSY_TX_RX) |
| mbed_official | 340:28d1f895c6fe | 643 | { |
| mbed_official | 340:28d1f895c6fe | 644 | huart->State = HAL_UART_STATE_BUSY_RX; |
| mbed_official | 340:28d1f895c6fe | 645 | } |
| mbed_official | 340:28d1f895c6fe | 646 | else |
| mbed_official | 340:28d1f895c6fe | 647 | { |
| mbed_official | 340:28d1f895c6fe | 648 | /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */ |
| mbed_official | 340:28d1f895c6fe | 649 | __HAL_UART_DISABLE_IT(huart, UART_IT_ERR); |
| mbed_official | 340:28d1f895c6fe | 650 | |
| mbed_official | 340:28d1f895c6fe | 651 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 652 | } |
| mbed_official | 340:28d1f895c6fe | 653 | |
| mbed_official | 340:28d1f895c6fe | 654 | HAL_UART_TxCpltCallback(huart); |
| mbed_official | 340:28d1f895c6fe | 655 | |
| mbed_official | 340:28d1f895c6fe | 656 | return HAL_OK; |
| mbed_official | 340:28d1f895c6fe | 657 | } |
| mbed_official | 340:28d1f895c6fe | 658 | |
| mbed_official | 340:28d1f895c6fe | 659 | /** |
| mbed_official | 340:28d1f895c6fe | 660 | * @} |
| mbed_official | 340:28d1f895c6fe | 661 | */ |
| mbed_official | 340:28d1f895c6fe | 662 | |
| mbed_official | 340:28d1f895c6fe | 663 | #endif /* HAL_UART_MODULE_ENABLED */ |
| mbed_official | 340:28d1f895c6fe | 664 | |
| mbed_official | 340:28d1f895c6fe | 665 | /** |
| mbed_official | 340:28d1f895c6fe | 666 | * @} |
| mbed_official | 340:28d1f895c6fe | 667 | */ |
| mbed_official | 340:28d1f895c6fe | 668 | |
| mbed_official | 340:28d1f895c6fe | 669 | /** |
| mbed_official | 340:28d1f895c6fe | 670 | * @} |
| mbed_official | 340:28d1f895c6fe | 671 | */ |
| mbed_official | 340:28d1f895c6fe | 672 | |
| mbed_official | 340:28d1f895c6fe | 673 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
