fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_uart_ex.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
- Child:
- 113:b3775bf36a83
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l0xx_hal_uart_ex.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.2.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 06-February-2015 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief Extended UART HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * |
bogdanm | 0:9b334a45a8ff | 9 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 10 | * functionalities of the Inter Integrated Circuit (UART) peripheral: |
bogdanm | 0:9b334a45a8ff | 11 | * + Extended Control methods |
bogdanm | 0:9b334a45a8ff | 12 | * |
bogdanm | 0:9b334a45a8ff | 13 | @verbatim |
bogdanm | 0:9b334a45a8ff | 14 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 15 | ##### UART peripheral extended features ##### |
bogdanm | 0:9b334a45a8ff | 16 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 17 | |
bogdanm | 0:9b334a45a8ff | 18 | [..] Comparing to other previous devices, the UART interface for STM32L0XX |
bogdanm | 0:9b334a45a8ff | 19 | devices contains the following additional features |
bogdanm | 0:9b334a45a8ff | 20 | |
bogdanm | 0:9b334a45a8ff | 21 | (+) Possibility to disable or enable Analog Noise Filter |
bogdanm | 0:9b334a45a8ff | 22 | (+) Use of a configured Digital Noise Filter |
bogdanm | 0:9b334a45a8ff | 23 | (+) Disable or enable wakeup from Stop mode |
bogdanm | 0:9b334a45a8ff | 24 | |
bogdanm | 0:9b334a45a8ff | 25 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 26 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 27 | [..] This driver provides functions to configure Noise Filter |
bogdanm | 0:9b334a45a8ff | 28 | |
bogdanm | 0:9b334a45a8ff | 29 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 30 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 31 | * @attention |
bogdanm | 0:9b334a45a8ff | 32 | * |
bogdanm | 0:9b334a45a8ff | 33 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 34 | * |
bogdanm | 0:9b334a45a8ff | 35 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 36 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 37 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 38 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 39 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 40 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 41 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 42 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 43 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 44 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 45 | * |
bogdanm | 0:9b334a45a8ff | 46 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 47 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 48 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 49 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 50 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 51 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 52 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 53 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 54 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 55 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 56 | * |
bogdanm | 0:9b334a45a8ff | 57 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 58 | */ |
bogdanm | 0:9b334a45a8ff | 59 | |
bogdanm | 0:9b334a45a8ff | 60 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 61 | #include "stm32l0xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 62 | |
bogdanm | 0:9b334a45a8ff | 63 | /** @addtogroup STM32L0xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 64 | * @{ |
bogdanm | 0:9b334a45a8ff | 65 | */ |
bogdanm | 0:9b334a45a8ff | 66 | |
bogdanm | 0:9b334a45a8ff | 67 | /** @addtogroup UARTEx |
bogdanm | 0:9b334a45a8ff | 68 | * @brief UARTEx module driver |
bogdanm | 0:9b334a45a8ff | 69 | * @{ |
bogdanm | 0:9b334a45a8ff | 70 | */ |
bogdanm | 0:9b334a45a8ff | 71 | |
bogdanm | 0:9b334a45a8ff | 72 | #ifdef HAL_UART_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 73 | |
bogdanm | 0:9b334a45a8ff | 74 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 75 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 76 | #define UART_REACK_TIMEOUT ((uint32_t) 1000) |
bogdanm | 0:9b334a45a8ff | 77 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 78 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 79 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 80 | static void UART_Wakeup_AddressConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection); |
bogdanm | 0:9b334a45a8ff | 81 | /* Private functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 82 | |
bogdanm | 0:9b334a45a8ff | 83 | /** @addtogroup UARTEx_Exported_Functions |
bogdanm | 0:9b334a45a8ff | 84 | * @{ |
bogdanm | 0:9b334a45a8ff | 85 | */ |
bogdanm | 0:9b334a45a8ff | 86 | |
bogdanm | 0:9b334a45a8ff | 87 | /** @addtogroup UARTEx_Exported_Functions_Group1 |
bogdanm | 0:9b334a45a8ff | 88 | * @brief Extended Initialization and Configuration Functions |
bogdanm | 0:9b334a45a8ff | 89 | |
bogdanm | 0:9b334a45a8ff | 90 | * |
bogdanm | 0:9b334a45a8ff | 91 | @verbatim |
bogdanm | 0:9b334a45a8ff | 92 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 93 | ##### Initialization and Configuration functions ##### |
bogdanm | 0:9b334a45a8ff | 94 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 95 | [..] |
bogdanm | 0:9b334a45a8ff | 96 | The HAL_RS485Ex_Init() API follows respectively the UART RS485 mode |
bogdanm | 0:9b334a45a8ff | 97 | configuration procedures (details for the procedures are available in reference manual). |
bogdanm | 0:9b334a45a8ff | 98 | |
bogdanm | 0:9b334a45a8ff | 99 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 100 | * @{ |
bogdanm | 0:9b334a45a8ff | 101 | */ |
bogdanm | 0:9b334a45a8ff | 102 | |
bogdanm | 0:9b334a45a8ff | 103 | /** |
bogdanm | 0:9b334a45a8ff | 104 | * @brief Initializes the RS485 Driver enable feature according to the specified |
bogdanm | 0:9b334a45a8ff | 105 | * parameters in the UART_InitTypeDef and creates the associated handle . |
bogdanm | 0:9b334a45a8ff | 106 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 107 | * @param Polarity: select the driver enable polarity |
bogdanm | 0:9b334a45a8ff | 108 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 109 | * @arg UART_DE_POLARITY_HIGH: DE signal is active high |
bogdanm | 0:9b334a45a8ff | 110 | * @arg UART_DE_POLARITY_LOW: DE signal is active low |
bogdanm | 0:9b334a45a8ff | 111 | * @param AssertionTime: Driver Enable assertion time |
bogdanm | 0:9b334a45a8ff | 112 | * 5-bit value defining the time between the activation of the DE (Driver Enable) |
bogdanm | 0:9b334a45a8ff | 113 | * signal and the beginning of the start bit. It is expressed in sample time |
bogdanm | 0:9b334a45a8ff | 114 | * units (1/8 or 1/16 bit time, depending on the oversampling rate) |
bogdanm | 0:9b334a45a8ff | 115 | * @param DeassertionTime: Driver Enable deassertion time |
bogdanm | 0:9b334a45a8ff | 116 | * 5-bit value defining the time between the end of the last stop bit, in a |
bogdanm | 0:9b334a45a8ff | 117 | * transmitted message, and the de-activation of the DE (Driver Enable) signal. |
bogdanm | 0:9b334a45a8ff | 118 | * It is expressed in sample time units (1/8 or 1/16 bit time, depending on the |
bogdanm | 0:9b334a45a8ff | 119 | * oversampling rate). |
bogdanm | 0:9b334a45a8ff | 120 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 121 | */ |
bogdanm | 0:9b334a45a8ff | 122 | HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime) |
bogdanm | 0:9b334a45a8ff | 123 | { |
bogdanm | 0:9b334a45a8ff | 124 | uint32_t temp = 0x0; |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | /* Check the UART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 127 | if(huart == NULL) |
bogdanm | 0:9b334a45a8ff | 128 | { |
bogdanm | 0:9b334a45a8ff | 129 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 130 | } |
bogdanm | 0:9b334a45a8ff | 131 | |
bogdanm | 0:9b334a45a8ff | 132 | /* Check the Driver Enable polarity */ |
bogdanm | 0:9b334a45a8ff | 133 | assert_param(IS_UART_DE_POLARITY(Polarity)); |
bogdanm | 0:9b334a45a8ff | 134 | |
bogdanm | 0:9b334a45a8ff | 135 | /* Check the Driver Enable assertion time */ |
bogdanm | 0:9b334a45a8ff | 136 | assert_param(IS_UART_ASSERTIONTIME(AssertionTime)); |
bogdanm | 0:9b334a45a8ff | 137 | |
bogdanm | 0:9b334a45a8ff | 138 | /* Check the Driver Enable deassertion time */ |
bogdanm | 0:9b334a45a8ff | 139 | assert_param(IS_UART_DEASSERTIONTIME(DeassertionTime)); |
bogdanm | 0:9b334a45a8ff | 140 | |
bogdanm | 0:9b334a45a8ff | 141 | if(huart->State == HAL_UART_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 142 | { |
bogdanm | 0:9b334a45a8ff | 143 | /* Init the low level hardware : GPIO, CLOCK, CORTEX */ |
bogdanm | 0:9b334a45a8ff | 144 | HAL_UART_MspInit(huart); |
bogdanm | 0:9b334a45a8ff | 145 | } |
bogdanm | 0:9b334a45a8ff | 146 | |
bogdanm | 0:9b334a45a8ff | 147 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 148 | |
bogdanm | 0:9b334a45a8ff | 149 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 150 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 151 | |
bogdanm | 0:9b334a45a8ff | 152 | /* Set the UART Communication parameters */ |
bogdanm | 0:9b334a45a8ff | 153 | UART_SetConfig(huart); |
bogdanm | 0:9b334a45a8ff | 154 | |
bogdanm | 0:9b334a45a8ff | 155 | if(huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
bogdanm | 0:9b334a45a8ff | 156 | { |
bogdanm | 0:9b334a45a8ff | 157 | UART_AdvFeatureConfig(huart); |
bogdanm | 0:9b334a45a8ff | 158 | } |
bogdanm | 0:9b334a45a8ff | 159 | |
bogdanm | 0:9b334a45a8ff | 160 | /* Enable the Driver Enable mode by setting the DEM bit in the CR3 register */ |
bogdanm | 0:9b334a45a8ff | 161 | huart->Instance->CR3 |= USART_CR3_DEM; |
bogdanm | 0:9b334a45a8ff | 162 | |
bogdanm | 0:9b334a45a8ff | 163 | /* Set the Driver Enable polarity */ |
bogdanm | 0:9b334a45a8ff | 164 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DEP, Polarity); |
bogdanm | 0:9b334a45a8ff | 165 | |
bogdanm | 0:9b334a45a8ff | 166 | /* Set the Driver Enable assertion and deassertion times */ |
bogdanm | 0:9b334a45a8ff | 167 | temp = (AssertionTime << UART_CR1_DEAT_ADDRESS_LSB_POS); |
bogdanm | 0:9b334a45a8ff | 168 | temp |= (DeassertionTime << UART_CR1_DEDT_ADDRESS_LSB_POS); |
bogdanm | 0:9b334a45a8ff | 169 | MODIFY_REG(huart->Instance->CR1, (USART_CR1_DEDT|USART_CR1_DEAT), temp); |
bogdanm | 0:9b334a45a8ff | 170 | |
bogdanm | 0:9b334a45a8ff | 171 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 172 | __HAL_UART_ENABLE(huart); |
bogdanm | 0:9b334a45a8ff | 173 | |
bogdanm | 0:9b334a45a8ff | 174 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
bogdanm | 0:9b334a45a8ff | 175 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 176 | } |
bogdanm | 0:9b334a45a8ff | 177 | |
bogdanm | 0:9b334a45a8ff | 178 | |
bogdanm | 0:9b334a45a8ff | 179 | /** |
bogdanm | 0:9b334a45a8ff | 180 | * @} |
bogdanm | 0:9b334a45a8ff | 181 | */ |
bogdanm | 0:9b334a45a8ff | 182 | |
bogdanm | 0:9b334a45a8ff | 183 | /** @addtogroup UARTEx_Exported_Functions_Group2 |
bogdanm | 0:9b334a45a8ff | 184 | * @brief management functions |
bogdanm | 0:9b334a45a8ff | 185 | * |
bogdanm | 0:9b334a45a8ff | 186 | @verbatim |
bogdanm | 0:9b334a45a8ff | 187 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 188 | ##### Peripheral Control funtions ##### |
bogdanm | 0:9b334a45a8ff | 189 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 190 | [..] This section provides functions allowing to: |
bogdanm | 0:9b334a45a8ff | 191 | (+) UART_AdvFeatureConfig() API optionally configures the UART advanced features |
bogdanm | 0:9b334a45a8ff | 192 | (+) HAL_MultiProcessorEx_AddressLength_Set() API optionally sets the UART node address |
bogdanm | 0:9b334a45a8ff | 193 | detection length to more than 4 bits for multiprocessor address mark wake up. |
bogdanm | 0:9b334a45a8ff | 194 | (+) HAL_UARTEx_EnableStopMode() API enables the UART to wake up the MCU from stop mode |
bogdanm | 0:9b334a45a8ff | 195 | (+) HAL_UARTEx_DisableStopMode() API disables the above functionality |
bogdanm | 0:9b334a45a8ff | 196 | (+) HAL_UARTEx_EnableClockStopMode() API enables the UART HSI clock during stop mode |
bogdanm | 0:9b334a45a8ff | 197 | (+) HAL_UARTEx_DisableClockStopMode() API disables the above functionality |
bogdanm | 0:9b334a45a8ff | 198 | (+) UART_Wakeup_AddressConfig() API configures the wake-up from stop mode parameters |
bogdanm | 0:9b334a45a8ff | 199 | |
bogdanm | 0:9b334a45a8ff | 200 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 201 | * @{ |
bogdanm | 0:9b334a45a8ff | 202 | */ |
bogdanm | 0:9b334a45a8ff | 203 | |
bogdanm | 0:9b334a45a8ff | 204 | /** |
bogdanm | 0:9b334a45a8ff | 205 | * @brief Enable UART Stop Mode |
bogdanm | 0:9b334a45a8ff | 206 | * The UART is able to wake up the MCU from Stop mode as long as UART clock is HSI or LSE |
bogdanm | 0:9b334a45a8ff | 207 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 208 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 209 | */ |
bogdanm | 0:9b334a45a8ff | 210 | HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 211 | { |
bogdanm | 0:9b334a45a8ff | 212 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 213 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 214 | |
bogdanm | 0:9b334a45a8ff | 215 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 216 | |
bogdanm | 0:9b334a45a8ff | 217 | /* Set the USART UESM bit */ |
bogdanm | 0:9b334a45a8ff | 218 | huart->Instance->CR1 |= USART_CR1_UESM; |
bogdanm | 0:9b334a45a8ff | 219 | |
bogdanm | 0:9b334a45a8ff | 220 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 221 | |
bogdanm | 0:9b334a45a8ff | 222 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 223 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 224 | |
bogdanm | 0:9b334a45a8ff | 225 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 226 | } |
bogdanm | 0:9b334a45a8ff | 227 | |
bogdanm | 0:9b334a45a8ff | 228 | /** |
bogdanm | 0:9b334a45a8ff | 229 | * @brief Enable UART Clock in Stop Mode |
bogdanm | 0:9b334a45a8ff | 230 | * The UART keeps the Clock ON during Stop mode |
bogdanm | 0:9b334a45a8ff | 231 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 232 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 233 | */ |
bogdanm | 0:9b334a45a8ff | 234 | HAL_StatusTypeDef HAL_UARTEx_EnableClockStopMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 235 | { |
bogdanm | 0:9b334a45a8ff | 236 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 237 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 238 | |
bogdanm | 0:9b334a45a8ff | 239 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 240 | |
bogdanm | 0:9b334a45a8ff | 241 | /* Set the USART UESM bit */ |
bogdanm | 0:9b334a45a8ff | 242 | huart->Instance->CR3 |= USART_CR3_UCESM; |
bogdanm | 0:9b334a45a8ff | 243 | |
bogdanm | 0:9b334a45a8ff | 244 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 245 | |
bogdanm | 0:9b334a45a8ff | 246 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 247 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 248 | |
bogdanm | 0:9b334a45a8ff | 249 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 250 | } |
bogdanm | 0:9b334a45a8ff | 251 | |
bogdanm | 0:9b334a45a8ff | 252 | /** |
bogdanm | 0:9b334a45a8ff | 253 | * @brief Disable UART Stop Mode |
bogdanm | 0:9b334a45a8ff | 254 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 255 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 256 | */ |
bogdanm | 0:9b334a45a8ff | 257 | HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 258 | { |
bogdanm | 0:9b334a45a8ff | 259 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 260 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 261 | |
bogdanm | 0:9b334a45a8ff | 262 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 263 | |
bogdanm | 0:9b334a45a8ff | 264 | /* Clear USART UESM bit */ |
bogdanm | 0:9b334a45a8ff | 265 | huart->Instance->CR1 &= ~(USART_CR1_UESM); |
bogdanm | 0:9b334a45a8ff | 266 | |
bogdanm | 0:9b334a45a8ff | 267 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 268 | |
bogdanm | 0:9b334a45a8ff | 269 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 270 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 271 | |
bogdanm | 0:9b334a45a8ff | 272 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 273 | } |
bogdanm | 0:9b334a45a8ff | 274 | |
bogdanm | 0:9b334a45a8ff | 275 | /** |
bogdanm | 0:9b334a45a8ff | 276 | * @brief Disable UART Clock in Stop Mode |
bogdanm | 0:9b334a45a8ff | 277 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 278 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 279 | */ |
bogdanm | 0:9b334a45a8ff | 280 | HAL_StatusTypeDef HAL_UARTEx_DisableClockStopMode(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 281 | { |
bogdanm | 0:9b334a45a8ff | 282 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 283 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 284 | |
bogdanm | 0:9b334a45a8ff | 285 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 286 | |
bogdanm | 0:9b334a45a8ff | 287 | /* Clear USART UESM bit */ |
bogdanm | 0:9b334a45a8ff | 288 | huart->Instance->CR3 &= ~(USART_CR3_UCESM); |
bogdanm | 0:9b334a45a8ff | 289 | |
bogdanm | 0:9b334a45a8ff | 290 | huart->State = HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 291 | |
bogdanm | 0:9b334a45a8ff | 292 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 293 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 294 | |
bogdanm | 0:9b334a45a8ff | 295 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 296 | } |
bogdanm | 0:9b334a45a8ff | 297 | |
bogdanm | 0:9b334a45a8ff | 298 | /** |
bogdanm | 0:9b334a45a8ff | 299 | * @brief Set Wakeup from Stop mode interrupt flag selection |
bogdanm | 0:9b334a45a8ff | 300 | * @param huart: uart handle, |
bogdanm | 0:9b334a45a8ff | 301 | * @param WakeUpSelection: address match, Start Bit detection or RXNE bit status. |
bogdanm | 0:9b334a45a8ff | 302 | * This parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 303 | * @arg UART_WAKEUP_ON_ADDRESS |
bogdanm | 0:9b334a45a8ff | 304 | * @arg UART_WAKEUP_ON_STARTBIT |
bogdanm | 0:9b334a45a8ff | 305 | * @arg UART_WAKEUP_ON_READDATA_NONEMPTY |
bogdanm | 0:9b334a45a8ff | 306 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 307 | */ |
bogdanm | 0:9b334a45a8ff | 308 | HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
bogdanm | 0:9b334a45a8ff | 309 | { |
bogdanm | 0:9b334a45a8ff | 310 | |
bogdanm | 0:9b334a45a8ff | 311 | /* check the wake-up from stop mode UART instance */ |
bogdanm | 0:9b334a45a8ff | 312 | assert_param(IS_UART_WAKEUP_FROMSTOP_INSTANCE(huart->Instance)); |
bogdanm | 0:9b334a45a8ff | 313 | /* Check the wake-up selection parameter */ |
bogdanm | 0:9b334a45a8ff | 314 | assert_param(IS_UART_WAKEUP_SELECTION(WakeUpSelection.WakeUpEvent)); |
bogdanm | 0:9b334a45a8ff | 315 | |
bogdanm | 0:9b334a45a8ff | 316 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 317 | __HAL_LOCK(huart); |
bogdanm | 0:9b334a45a8ff | 318 | |
bogdanm | 0:9b334a45a8ff | 319 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 320 | |
bogdanm | 0:9b334a45a8ff | 321 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 322 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 323 | |
bogdanm | 0:9b334a45a8ff | 324 | /* Set the wake-up selection scheme */ |
bogdanm | 0:9b334a45a8ff | 325 | MODIFY_REG(huart->Instance->CR3, USART_CR3_WUS, WakeUpSelection.WakeUpEvent); |
bogdanm | 0:9b334a45a8ff | 326 | |
bogdanm | 0:9b334a45a8ff | 327 | if(WakeUpSelection.WakeUpEvent == UART_WAKEUP_ON_ADDRESS) |
bogdanm | 0:9b334a45a8ff | 328 | { |
bogdanm | 0:9b334a45a8ff | 329 | UART_Wakeup_AddressConfig(huart, WakeUpSelection); |
bogdanm | 0:9b334a45a8ff | 330 | } |
bogdanm | 0:9b334a45a8ff | 331 | |
bogdanm | 0:9b334a45a8ff | 332 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 333 | __HAL_UART_ENABLE(huart); |
bogdanm | 0:9b334a45a8ff | 334 | |
bogdanm | 0:9b334a45a8ff | 335 | /* Wait until REACK flag is set before moving huart->State to Ready */ |
bogdanm | 0:9b334a45a8ff | 336 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, UART_REACK_TIMEOUT) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 337 | { |
bogdanm | 0:9b334a45a8ff | 338 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 339 | } |
bogdanm | 0:9b334a45a8ff | 340 | |
bogdanm | 0:9b334a45a8ff | 341 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 342 | __HAL_UNLOCK(huart); |
bogdanm | 0:9b334a45a8ff | 343 | |
bogdanm | 0:9b334a45a8ff | 344 | /* Initialize the UART state*/ |
bogdanm | 0:9b334a45a8ff | 345 | huart->ErrorCode = HAL_UART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 346 | huart->State= HAL_UART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 347 | |
bogdanm | 0:9b334a45a8ff | 348 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 349 | } |
bogdanm | 0:9b334a45a8ff | 350 | /** |
bogdanm | 0:9b334a45a8ff | 351 | * @brief By default in multiprocessor mode, when the wake up method is set |
bogdanm | 0:9b334a45a8ff | 352 | * to address mark, the UART handles only 4-bit long addresses detection. |
bogdanm | 0:9b334a45a8ff | 353 | * This API allows to enable longer addresses detection (6-, 7- or 8-bit |
bogdanm | 0:9b334a45a8ff | 354 | * long): |
bogdanm | 0:9b334a45a8ff | 355 | * - 6-bit address detection in 7-bit data mode |
bogdanm | 0:9b334a45a8ff | 356 | * - 7-bit address detection in 8-bit data mode |
bogdanm | 0:9b334a45a8ff | 357 | * - 8-bit address detection in 9-bit data mode |
bogdanm | 0:9b334a45a8ff | 358 | * @param huart: UART handle |
bogdanm | 0:9b334a45a8ff | 359 | * @param AddressLength: this parameter can be one of the following values: |
bogdanm | 0:9b334a45a8ff | 360 | * @arg UART_ADDRESS_DETECT_4B: 4-bit long address |
bogdanm | 0:9b334a45a8ff | 361 | * @arg UART_ADDRESS_DETECT_7B: 6-, 7- or 8-bit long address |
bogdanm | 0:9b334a45a8ff | 362 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 363 | */ |
bogdanm | 0:9b334a45a8ff | 364 | HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength) |
bogdanm | 0:9b334a45a8ff | 365 | { |
bogdanm | 0:9b334a45a8ff | 366 | /* Check the UART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 367 | if(huart == NULL) |
bogdanm | 0:9b334a45a8ff | 368 | { |
bogdanm | 0:9b334a45a8ff | 369 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 370 | } |
bogdanm | 0:9b334a45a8ff | 371 | |
bogdanm | 0:9b334a45a8ff | 372 | /* Check the address length parameter */ |
bogdanm | 0:9b334a45a8ff | 373 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(AddressLength)); |
bogdanm | 0:9b334a45a8ff | 374 | |
bogdanm | 0:9b334a45a8ff | 375 | huart->State = HAL_UART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 376 | |
bogdanm | 0:9b334a45a8ff | 377 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 378 | __HAL_UART_DISABLE(huart); |
bogdanm | 0:9b334a45a8ff | 379 | |
bogdanm | 0:9b334a45a8ff | 380 | /* Set the address length */ |
bogdanm | 0:9b334a45a8ff | 381 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, AddressLength); |
bogdanm | 0:9b334a45a8ff | 382 | |
bogdanm | 0:9b334a45a8ff | 383 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 384 | __HAL_UART_ENABLE(huart); |
bogdanm | 0:9b334a45a8ff | 385 | |
bogdanm | 0:9b334a45a8ff | 386 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
bogdanm | 0:9b334a45a8ff | 387 | return (UART_CheckIdleState(huart)); |
bogdanm | 0:9b334a45a8ff | 388 | } |
bogdanm | 0:9b334a45a8ff | 389 | |
bogdanm | 0:9b334a45a8ff | 390 | /** |
bogdanm | 0:9b334a45a8ff | 391 | * @} |
bogdanm | 0:9b334a45a8ff | 392 | */ |
bogdanm | 0:9b334a45a8ff | 393 | |
bogdanm | 0:9b334a45a8ff | 394 | /** |
bogdanm | 0:9b334a45a8ff | 395 | * @brief Initializes the UART wake-up from stop mode parameters when triggered by address detection. |
bogdanm | 0:9b334a45a8ff | 396 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 397 | * @param WakeUpSelection: UART wake up from stop mode parameters |
bogdanm | 0:9b334a45a8ff | 398 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 399 | */ |
bogdanm | 0:9b334a45a8ff | 400 | static void UART_Wakeup_AddressConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
bogdanm | 0:9b334a45a8ff | 401 | { |
bogdanm | 0:9b334a45a8ff | 402 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(WakeUpSelection.AddressLength)); |
bogdanm | 0:9b334a45a8ff | 403 | if(WakeUpSelection.AddressLength == UART_ADDRESS_DETECT_4B) |
bogdanm | 0:9b334a45a8ff | 404 | { |
bogdanm | 0:9b334a45a8ff | 405 | assert_param(IS_UART_4B_ADDRESS(WakeUpSelection.Address)); |
bogdanm | 0:9b334a45a8ff | 406 | } |
bogdanm | 0:9b334a45a8ff | 407 | else |
bogdanm | 0:9b334a45a8ff | 408 | { |
bogdanm | 0:9b334a45a8ff | 409 | assert_param(IS_UART_7B_ADDRESS(WakeUpSelection.Address)); |
bogdanm | 0:9b334a45a8ff | 410 | } |
bogdanm | 0:9b334a45a8ff | 411 | |
bogdanm | 0:9b334a45a8ff | 412 | /* Set the USART address length */ |
bogdanm | 0:9b334a45a8ff | 413 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, WakeUpSelection.AddressLength); |
bogdanm | 0:9b334a45a8ff | 414 | |
bogdanm | 0:9b334a45a8ff | 415 | /* Set the USART address node */ |
bogdanm | 0:9b334a45a8ff | 416 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADD, ((uint32_t)WakeUpSelection.Address << UART_CR2_ADDRESS_LSB_POS)); |
bogdanm | 0:9b334a45a8ff | 417 | } |
bogdanm | 0:9b334a45a8ff | 418 | |
bogdanm | 0:9b334a45a8ff | 419 | /** |
bogdanm | 0:9b334a45a8ff | 420 | * @brief UART wakeup from Stop mode callback |
bogdanm | 0:9b334a45a8ff | 421 | * @param huart: uart handle |
bogdanm | 0:9b334a45a8ff | 422 | * @retval None |
bogdanm | 0:9b334a45a8ff | 423 | */ |
bogdanm | 0:9b334a45a8ff | 424 | __weak void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart) |
bogdanm | 0:9b334a45a8ff | 425 | { |
bogdanm | 0:9b334a45a8ff | 426 | /* NOTE : This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 427 | the HAL_UART_WakeupCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 428 | */ |
bogdanm | 0:9b334a45a8ff | 429 | } |
bogdanm | 0:9b334a45a8ff | 430 | |
bogdanm | 0:9b334a45a8ff | 431 | /** |
bogdanm | 0:9b334a45a8ff | 432 | * @} |
bogdanm | 0:9b334a45a8ff | 433 | */ |
bogdanm | 0:9b334a45a8ff | 434 | |
bogdanm | 0:9b334a45a8ff | 435 | #endif /* HAL_UART_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 436 | /** |
bogdanm | 0:9b334a45a8ff | 437 | * @} |
bogdanm | 0:9b334a45a8ff | 438 | */ |
bogdanm | 0:9b334a45a8ff | 439 | |
bogdanm | 0:9b334a45a8ff | 440 | /** |
bogdanm | 0:9b334a45a8ff | 441 | * @} |
bogdanm | 0:9b334a45a8ff | 442 | */ |
bogdanm | 0:9b334a45a8ff | 443 | |
bogdanm | 0:9b334a45a8ff | 444 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
bogdanm | 0:9b334a45a8ff | 445 |