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targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_uart_ex.c@634:ac7d6880524d, 2015-09-28 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Sep 28 20:15:09 2015 +0100
- Revision:
- 634:ac7d6880524d
- Parent:
- 632:7687fb9c4f91
Synchronized with git revision 9b7d23d47153c298a6d24de9a415202705889d11
Full URL: https://github.com/mbedmicro/mbed/commit/9b7d23d47153c298a6d24de9a415202705889d11/
Revert "[NUCLEO_F303K8] add support of the STM32F303K8"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 237:f3da66175598 | 1 | /** |
mbed_official | 237:f3da66175598 | 2 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 3 | * @file stm32f3xx_hal_uart_ex.c |
mbed_official | 237:f3da66175598 | 4 | * @author MCD Application Team |
mbed_official | 634:ac7d6880524d | 5 | * @version V1.1.0 |
mbed_official | 634:ac7d6880524d | 6 | * @date 12-Sept-2014 |
mbed_official | 237:f3da66175598 | 7 | * @brief Extended UART HAL module driver. |
mbed_official | 237:f3da66175598 | 8 | * |
mbed_official | 237:f3da66175598 | 9 | * This file provides firmware functions to manage the following extended |
mbed_official | 237:f3da66175598 | 10 | * functionalities of the Universal Asynchronous Receiver Transmitter Peripheral (UART). |
mbed_official | 237:f3da66175598 | 11 | * + Initialization and de-initialization functions |
mbed_official | 237:f3da66175598 | 12 | * + Peripheral Control functions |
mbed_official | 237:f3da66175598 | 13 | * |
mbed_official | 237:f3da66175598 | 14 | * |
mbed_official | 237:f3da66175598 | 15 | @verbatim |
mbed_official | 237:f3da66175598 | 16 | =============================================================================== |
mbed_official | 237:f3da66175598 | 17 | ##### How to use this driver ##### |
mbed_official | 237:f3da66175598 | 18 | =============================================================================== |
mbed_official | 237:f3da66175598 | 19 | [..] |
mbed_official | 237:f3da66175598 | 20 | The UART HAL driver can be used as follows: |
mbed_official | 237:f3da66175598 | 21 | |
mbed_official | 237:f3da66175598 | 22 | (#) Declare a UART_HandleTypeDef handle structure. |
mbed_official | 237:f3da66175598 | 23 | |
mbed_official | 237:f3da66175598 | 24 | (#) For the UART RS485 Driver Enabled mode, initialize the UART registers |
mbed_official | 237:f3da66175598 | 25 | by calling the HAL_RS485Ex_Init() API. |
mbed_official | 237:f3da66175598 | 26 | |
mbed_official | 237:f3da66175598 | 27 | |
mbed_official | 237:f3da66175598 | 28 | @endverbatim |
mbed_official | 237:f3da66175598 | 29 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 30 | * @attention |
mbed_official | 237:f3da66175598 | 31 | * |
mbed_official | 634:ac7d6880524d | 32 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 237:f3da66175598 | 33 | * |
mbed_official | 237:f3da66175598 | 34 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 237:f3da66175598 | 35 | * are permitted provided that the following conditions are met: |
mbed_official | 237:f3da66175598 | 36 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 237:f3da66175598 | 37 | * this list of conditions and the following disclaimer. |
mbed_official | 237:f3da66175598 | 38 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 237:f3da66175598 | 39 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 237:f3da66175598 | 40 | * and/or other materials provided with the distribution. |
mbed_official | 237:f3da66175598 | 41 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 237:f3da66175598 | 42 | * may be used to endorse or promote products derived from this software |
mbed_official | 237:f3da66175598 | 43 | * without specific prior written permission. |
mbed_official | 237:f3da66175598 | 44 | * |
mbed_official | 237:f3da66175598 | 45 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 237:f3da66175598 | 46 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 237:f3da66175598 | 47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 237:f3da66175598 | 48 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 237:f3da66175598 | 49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 237:f3da66175598 | 50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 237:f3da66175598 | 51 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 237:f3da66175598 | 52 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 237:f3da66175598 | 53 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 237:f3da66175598 | 54 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 237:f3da66175598 | 55 | * |
mbed_official | 237:f3da66175598 | 56 | ****************************************************************************** |
mbed_official | 237:f3da66175598 | 57 | */ |
mbed_official | 237:f3da66175598 | 58 | |
mbed_official | 237:f3da66175598 | 59 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 60 | #include "stm32f3xx_hal.h" |
mbed_official | 237:f3da66175598 | 61 | |
mbed_official | 237:f3da66175598 | 62 | /** @addtogroup STM32F3xx_HAL_Driver |
mbed_official | 237:f3da66175598 | 63 | * @{ |
mbed_official | 237:f3da66175598 | 64 | */ |
mbed_official | 237:f3da66175598 | 65 | |
mbed_official | 375:3d36234a1087 | 66 | /** @defgroup UARTEx UART Extended HAL module driver |
mbed_official | 237:f3da66175598 | 67 | * @brief UART Extended HAL module driver |
mbed_official | 237:f3da66175598 | 68 | * @{ |
mbed_official | 237:f3da66175598 | 69 | */ |
mbed_official | 237:f3da66175598 | 70 | #ifdef HAL_UART_MODULE_ENABLED |
mbed_official | 237:f3da66175598 | 71 | |
mbed_official | 237:f3da66175598 | 72 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 73 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 74 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 75 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 76 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 375:3d36234a1087 | 77 | /* Exported functions --------------------------------------------------------*/ |
mbed_official | 237:f3da66175598 | 78 | |
mbed_official | 375:3d36234a1087 | 79 | /** @defgroup UARTEx_Exported_Functions UART Extended Exported Functions |
mbed_official | 237:f3da66175598 | 80 | * @{ |
mbed_official | 237:f3da66175598 | 81 | */ |
mbed_official | 237:f3da66175598 | 82 | |
mbed_official | 375:3d36234a1087 | 83 | /** @defgroup UARTEx_Exported_Functions_Group1 Extended Initialization and de-initialization functions |
mbed_official | 237:f3da66175598 | 84 | * @brief Extended Initialization and Configuration Functions |
mbed_official | 237:f3da66175598 | 85 | * |
mbed_official | 237:f3da66175598 | 86 | @verbatim |
mbed_official | 237:f3da66175598 | 87 | =============================================================================== |
mbed_official | 237:f3da66175598 | 88 | ##### Initialization and Configuration functions ##### |
mbed_official | 237:f3da66175598 | 89 | =============================================================================== |
mbed_official | 237:f3da66175598 | 90 | [..] |
mbed_official | 237:f3da66175598 | 91 | This subsection provides a set of functions allowing to initialize the USARTx or the UARTy |
mbed_official | 237:f3da66175598 | 92 | in asynchronous mode. |
mbed_official | 237:f3da66175598 | 93 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 237:f3da66175598 | 94 | (++) Baud Rate |
mbed_official | 237:f3da66175598 | 95 | (++) Word Length |
mbed_official | 237:f3da66175598 | 96 | (++) Stop Bit |
mbed_official | 237:f3da66175598 | 97 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 237:f3da66175598 | 98 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 237:f3da66175598 | 99 | Depending on the frame length defined by the M bit (8-bits or 9-bits) |
mbed_official | 237:f3da66175598 | 100 | or by the M1 and M0 bits (7-bit, 8-bit or 9-bit), |
mbed_official | 237:f3da66175598 | 101 | the possible UART frame formats are as listed in the following table: |
mbed_official | 237:f3da66175598 | 102 | +---------------------------------------------------------------+ |
mbed_official | 237:f3da66175598 | 103 | | M bit | PCE bit | UART frame | |
mbed_official | 237:f3da66175598 | 104 | |-----------|-----------|---------------------------------------| |
mbed_official | 237:f3da66175598 | 105 | | 0 | 0 | | SB | 8-bit data | STB | | |
mbed_official | 237:f3da66175598 | 106 | |-----------|-----------|---------------------------------------| |
mbed_official | 237:f3da66175598 | 107 | | 0 | 1 | | SB | 7-bit data | PB | STB | | |
mbed_official | 237:f3da66175598 | 108 | |-----------|-----------|---------------------------------------| |
mbed_official | 237:f3da66175598 | 109 | | 1 | 0 | | SB | 9-bit data | STB | | |
mbed_official | 237:f3da66175598 | 110 | |-----------|-----------|---------------------------------------| |
mbed_official | 237:f3da66175598 | 111 | | 1 | 1 | | SB | 8-bit data | PB | STB | | |
mbed_official | 237:f3da66175598 | 112 | +---------------------------------------------------------------+ |
mbed_official | 237:f3da66175598 | 113 | | M1M0 bits | PCE bit | UART frame | |
mbed_official | 237:f3da66175598 | 114 | |-----------------------|---------------------------------------| |
mbed_official | 237:f3da66175598 | 115 | | 10 | 0 | | SB | 7-bit data | STB | | |
mbed_official | 237:f3da66175598 | 116 | |-----------|-----------|---------------------------------------| |
mbed_official | 237:f3da66175598 | 117 | | 10 | 1 | | SB | 6-bit data | PB | STB | | |
mbed_official | 237:f3da66175598 | 118 | +---------------------------------------------------------------+ |
mbed_official | 237:f3da66175598 | 119 | (++) Hardware flow control |
mbed_official | 237:f3da66175598 | 120 | (++) Receiver/transmitter modes |
mbed_official | 237:f3da66175598 | 121 | (++) Over Sampling Method |
mbed_official | 237:f3da66175598 | 122 | (++) One-Bit Sampling Method |
mbed_official | 237:f3da66175598 | 123 | (+) For the asynchronous mode, the following advanced features can be configured as well: |
mbed_official | 237:f3da66175598 | 124 | (++) TX and/or RX pin level inversion |
mbed_official | 237:f3da66175598 | 125 | (++) data logical level inversion |
mbed_official | 237:f3da66175598 | 126 | (++) RX and TX pins swap |
mbed_official | 237:f3da66175598 | 127 | (++) RX overrun detection disabling |
mbed_official | 237:f3da66175598 | 128 | (++) DMA disabling on RX error |
mbed_official | 237:f3da66175598 | 129 | (++) MSB first on communication line |
mbed_official | 237:f3da66175598 | 130 | (++) auto Baud rate detection |
mbed_official | 237:f3da66175598 | 131 | [..] |
mbed_official | 237:f3da66175598 | 132 | The HAL_RS485Ex_Init() API follows respectively the UART RS485 mode |
mbed_official | 237:f3da66175598 | 133 | configuration procedures (details for the procedures are available in reference manual). |
mbed_official | 237:f3da66175598 | 134 | |
mbed_official | 237:f3da66175598 | 135 | @endverbatim |
mbed_official | 237:f3da66175598 | 136 | * @{ |
mbed_official | 237:f3da66175598 | 137 | */ |
mbed_official | 237:f3da66175598 | 138 | |
mbed_official | 237:f3da66175598 | 139 | |
mbed_official | 237:f3da66175598 | 140 | /** |
mbed_official | 237:f3da66175598 | 141 | * @brief Initializes the RS485 Driver enable feature according to the specified |
mbed_official | 237:f3da66175598 | 142 | * parameters in the UART_InitTypeDef and creates the associated handle . |
mbed_official | 237:f3da66175598 | 143 | * @param huart: uart handle |
mbed_official | 237:f3da66175598 | 144 | * @param UART_DEPolarity: select the driver enable polarity |
mbed_official | 237:f3da66175598 | 145 | * This parameter can be one of the following values: |
mbed_official | 237:f3da66175598 | 146 | * @arg UART_DE_POLARITY_HIGH: DE signal is active high |
mbed_official | 237:f3da66175598 | 147 | * @arg UART_DE_POLARITY_LOW: DE signal is active low |
mbed_official | 237:f3da66175598 | 148 | * @param UART_DEAssertionTime: Driver Enable assertion time |
mbed_official | 237:f3da66175598 | 149 | * 5-bit value defining the time between the activation of the DE (Driver Enable) |
mbed_official | 237:f3da66175598 | 150 | * signal and the beginning of the start bit. It is expressed in sample time |
mbed_official | 237:f3da66175598 | 151 | * units (1/8 or 1/16 bit time, depending on the oversampling rate) |
mbed_official | 237:f3da66175598 | 152 | * @param UART_DEDeassertionTime: Driver Enable deassertion time |
mbed_official | 237:f3da66175598 | 153 | * 5-bit value defining the time between the end of the last stop bit, in a |
mbed_official | 237:f3da66175598 | 154 | * transmitted message, and the de-activation of the DE (Driver Enable) signal. |
mbed_official | 237:f3da66175598 | 155 | * It is expressed in sample time units (1/8 or 1/16 bit time, depending on the |
mbed_official | 237:f3da66175598 | 156 | * oversampling rate). |
mbed_official | 237:f3da66175598 | 157 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 158 | */ |
mbed_official | 237:f3da66175598 | 159 | HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t UART_DEPolarity, uint32_t UART_DEAssertionTime, uint32_t UART_DEDeassertionTime) |
mbed_official | 237:f3da66175598 | 160 | { |
mbed_official | 237:f3da66175598 | 161 | uint32_t temp = 0x0; |
mbed_official | 237:f3da66175598 | 162 | |
mbed_official | 237:f3da66175598 | 163 | /* Check the UART handle allocation */ |
mbed_official | 634:ac7d6880524d | 164 | if(huart == HAL_NULL) |
mbed_official | 237:f3da66175598 | 165 | { |
mbed_official | 237:f3da66175598 | 166 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 167 | } |
mbed_official | 237:f3da66175598 | 168 | /* Check the Driver Enable UART instance */ |
mbed_official | 237:f3da66175598 | 169 | assert_param(IS_UART_DRIVER_ENABLE_INSTANCE(huart->Instance)); |
mbed_official | 237:f3da66175598 | 170 | |
mbed_official | 237:f3da66175598 | 171 | /* Check the Driver Enable polarity */ |
mbed_official | 237:f3da66175598 | 172 | assert_param(IS_UART_DE_POLARITY(UART_DEPolarity)); |
mbed_official | 237:f3da66175598 | 173 | |
mbed_official | 237:f3da66175598 | 174 | /* Check the Driver Enable assertion time */ |
mbed_official | 237:f3da66175598 | 175 | assert_param(IS_UART_ASSERTIONTIME(UART_DEAssertionTime)); |
mbed_official | 237:f3da66175598 | 176 | |
mbed_official | 237:f3da66175598 | 177 | /* Check the Driver Enable deassertion time */ |
mbed_official | 237:f3da66175598 | 178 | assert_param(IS_UART_DEASSERTIONTIME(UART_DEDeassertionTime)); |
mbed_official | 237:f3da66175598 | 179 | |
mbed_official | 237:f3da66175598 | 180 | if(huart->State == HAL_UART_STATE_RESET) |
mbed_official | 237:f3da66175598 | 181 | { |
mbed_official | 237:f3da66175598 | 182 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 237:f3da66175598 | 183 | HAL_UART_MspInit(huart); |
mbed_official | 237:f3da66175598 | 184 | } |
mbed_official | 237:f3da66175598 | 185 | |
mbed_official | 237:f3da66175598 | 186 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 187 | |
mbed_official | 237:f3da66175598 | 188 | /* Disable the Peripheral */ |
mbed_official | 237:f3da66175598 | 189 | __HAL_UART_DISABLE(huart); |
mbed_official | 237:f3da66175598 | 190 | |
mbed_official | 237:f3da66175598 | 191 | /* Set the UART Communication parameters */ |
mbed_official | 237:f3da66175598 | 192 | if (UART_SetConfig(huart) == HAL_ERROR) |
mbed_official | 237:f3da66175598 | 193 | { |
mbed_official | 237:f3da66175598 | 194 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 195 | } |
mbed_official | 237:f3da66175598 | 196 | |
mbed_official | 237:f3da66175598 | 197 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
mbed_official | 237:f3da66175598 | 198 | { |
mbed_official | 237:f3da66175598 | 199 | UART_AdvFeatureConfig(huart); |
mbed_official | 237:f3da66175598 | 200 | } |
mbed_official | 237:f3da66175598 | 201 | |
mbed_official | 237:f3da66175598 | 202 | /* Enable the Driver Enable mode by setting the DEM bit in the CR3 register */ |
mbed_official | 237:f3da66175598 | 203 | huart->Instance->CR3 |= USART_CR3_DEM; |
mbed_official | 237:f3da66175598 | 204 | |
mbed_official | 237:f3da66175598 | 205 | /* Set the Driver Enable polarity */ |
mbed_official | 237:f3da66175598 | 206 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DEP, UART_DEPolarity); |
mbed_official | 237:f3da66175598 | 207 | |
mbed_official | 237:f3da66175598 | 208 | /* Set the Driver Enable assertion and deassertion times */ |
mbed_official | 237:f3da66175598 | 209 | temp = (UART_DEAssertionTime << UART_CR1_DEAT_ADDRESS_LSB_POS); |
mbed_official | 237:f3da66175598 | 210 | temp |= (UART_DEDeassertionTime << UART_CR1_DEDT_ADDRESS_LSB_POS); |
mbed_official | 237:f3da66175598 | 211 | MODIFY_REG(huart->Instance->CR1, (USART_CR1_DEDT|USART_CR1_DEAT), temp); |
mbed_official | 237:f3da66175598 | 212 | |
mbed_official | 237:f3da66175598 | 213 | /* Enable the Peripheral */ |
mbed_official | 237:f3da66175598 | 214 | __HAL_UART_ENABLE(huart); |
mbed_official | 237:f3da66175598 | 215 | |
mbed_official | 237:f3da66175598 | 216 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 237:f3da66175598 | 217 | return (UART_CheckIdleState(huart)); |
mbed_official | 237:f3da66175598 | 218 | } |
mbed_official | 237:f3da66175598 | 219 | |
mbed_official | 237:f3da66175598 | 220 | |
mbed_official | 237:f3da66175598 | 221 | /** |
mbed_official | 237:f3da66175598 | 222 | * @} |
mbed_official | 237:f3da66175598 | 223 | */ |
mbed_official | 237:f3da66175598 | 224 | |
mbed_official | 375:3d36234a1087 | 225 | /** @defgroup UARTEx_Exported_Functions_Group2 Extended Peripheral Control functions |
mbed_official | 237:f3da66175598 | 226 | * @brief Extended Peripheral Control functions |
mbed_official | 237:f3da66175598 | 227 | * |
mbed_official | 237:f3da66175598 | 228 | @verbatim |
mbed_official | 237:f3da66175598 | 229 | =============================================================================== |
mbed_official | 237:f3da66175598 | 230 | ##### Peripheral Control functions ##### |
mbed_official | 237:f3da66175598 | 231 | =============================================================================== |
mbed_official | 237:f3da66175598 | 232 | [..] |
mbed_official | 237:f3da66175598 | 233 | This subsection provides an extended function allowing to control the UART. |
mbed_official | 237:f3da66175598 | 234 | (+) HAL_MultiProcessorEx_AddressLength_Set() API optionally sets the UART node address |
mbed_official | 237:f3da66175598 | 235 | detection length to more than 4 bits for multiprocessor address mark wake up. |
mbed_official | 237:f3da66175598 | 236 | (+) HAL_UARTEx_StopModeWakeUpSourceConfig() configures the address for wake-up from |
mbed_official | 237:f3da66175598 | 237 | Stop mode based on address match |
mbed_official | 237:f3da66175598 | 238 | (+) HAL_UARTEx_EnableStopMode() API enables the UART to wake up the MCU from stop mode |
mbed_official | 237:f3da66175598 | 239 | (+) HAL_UARTEx_DisableStopMode() API disables the above functionality |
mbed_official | 237:f3da66175598 | 240 | @endverbatim |
mbed_official | 237:f3da66175598 | 241 | * @{ |
mbed_official | 237:f3da66175598 | 242 | */ |
mbed_official | 237:f3da66175598 | 243 | |
mbed_official | 237:f3da66175598 | 244 | |
mbed_official | 237:f3da66175598 | 245 | |
mbed_official | 237:f3da66175598 | 246 | /** |
mbed_official | 237:f3da66175598 | 247 | * @brief By default in multiprocessor mode, when the wake up method is set |
mbed_official | 237:f3da66175598 | 248 | * to address mark, the UART handles only 4-bit long addresses detection. |
mbed_official | 237:f3da66175598 | 249 | * This API allows to enable longer addresses detection (6-, 7- or 8-bit |
mbed_official | 237:f3da66175598 | 250 | * long): |
mbed_official | 237:f3da66175598 | 251 | * - 6-bit address detection in 7-bit data mode |
mbed_official | 237:f3da66175598 | 252 | * - 7-bit address detection in 8-bit data mode |
mbed_official | 237:f3da66175598 | 253 | * - 8-bit address detection in 9-bit data mode |
mbed_official | 237:f3da66175598 | 254 | * @param huart: UART handle |
mbed_official | 237:f3da66175598 | 255 | * @param AddressLength: this parameter can be one of the following values: |
mbed_official | 237:f3da66175598 | 256 | * @arg UART_ADDRESS_DETECT_4B: 4-bit long address |
mbed_official | 237:f3da66175598 | 257 | * @arg UART_ADDRESS_DETECT_7B: 6-, 7- or 8-bit long address |
mbed_official | 237:f3da66175598 | 258 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 259 | */ |
mbed_official | 237:f3da66175598 | 260 | HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength) |
mbed_official | 237:f3da66175598 | 261 | { |
mbed_official | 237:f3da66175598 | 262 | /* Check the UART handle allocation */ |
mbed_official | 634:ac7d6880524d | 263 | if(huart == HAL_NULL) |
mbed_official | 237:f3da66175598 | 264 | { |
mbed_official | 237:f3da66175598 | 265 | return HAL_ERROR; |
mbed_official | 237:f3da66175598 | 266 | } |
mbed_official | 237:f3da66175598 | 267 | |
mbed_official | 237:f3da66175598 | 268 | /* Check the address length parameter */ |
mbed_official | 237:f3da66175598 | 269 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(AddressLength)); |
mbed_official | 237:f3da66175598 | 270 | |
mbed_official | 237:f3da66175598 | 271 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 272 | |
mbed_official | 237:f3da66175598 | 273 | /* Disable the Peripheral */ |
mbed_official | 237:f3da66175598 | 274 | __HAL_UART_DISABLE(huart); |
mbed_official | 237:f3da66175598 | 275 | |
mbed_official | 237:f3da66175598 | 276 | /* Set the address length */ |
mbed_official | 237:f3da66175598 | 277 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, AddressLength); |
mbed_official | 237:f3da66175598 | 278 | |
mbed_official | 237:f3da66175598 | 279 | /* Enable the Peripheral */ |
mbed_official | 237:f3da66175598 | 280 | __HAL_UART_ENABLE(huart); |
mbed_official | 237:f3da66175598 | 281 | |
mbed_official | 237:f3da66175598 | 282 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
mbed_official | 237:f3da66175598 | 283 | return (UART_CheckIdleState(huart)); |
mbed_official | 237:f3da66175598 | 284 | } |
mbed_official | 237:f3da66175598 | 285 | |
mbed_official | 237:f3da66175598 | 286 | |
mbed_official | 237:f3da66175598 | 287 | /** |
mbed_official | 237:f3da66175598 | 288 | * @brief Set Wakeup from Stop mode interrupt flag selection |
mbed_official | 237:f3da66175598 | 289 | * @param huart: uart handle, |
mbed_official | 237:f3da66175598 | 290 | * @param WakeUpSelection: address match, Start Bit detection or RXNE bit status. |
mbed_official | 237:f3da66175598 | 291 | * This parameter can be one of the following values: |
mbed_official | 237:f3da66175598 | 292 | * @arg UART_WAKEUP_ON_ADDRESS |
mbed_official | 237:f3da66175598 | 293 | * @arg UART_WAKEUP_ON_STARTBIT |
mbed_official | 237:f3da66175598 | 294 | * @arg UART_WAKEUP_ON_READDATA_NONEMPTY |
mbed_official | 237:f3da66175598 | 295 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 296 | */ |
mbed_official | 237:f3da66175598 | 297 | HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
mbed_official | 237:f3da66175598 | 298 | { |
mbed_official | 237:f3da66175598 | 299 | |
mbed_official | 237:f3da66175598 | 300 | /* check the wake-up from stop mode UART instance */ |
mbed_official | 237:f3da66175598 | 301 | assert_param(IS_UART_WAKEUP_FROMSTOP_INSTANCE(huart->Instance)); |
mbed_official | 237:f3da66175598 | 302 | /* check the wake-up selection parameter */ |
mbed_official | 237:f3da66175598 | 303 | assert_param(IS_UART_WAKEUP_SELECTION(WakeUpSelection.WakeUpEvent)); |
mbed_official | 237:f3da66175598 | 304 | |
mbed_official | 237:f3da66175598 | 305 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 306 | __HAL_LOCK(huart); |
mbed_official | 237:f3da66175598 | 307 | |
mbed_official | 237:f3da66175598 | 308 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 309 | |
mbed_official | 237:f3da66175598 | 310 | /* Disable the Peripheral */ |
mbed_official | 237:f3da66175598 | 311 | __HAL_UART_DISABLE(huart); |
mbed_official | 237:f3da66175598 | 312 | |
mbed_official | 237:f3da66175598 | 313 | /* Set the wake-up selection scheme */ |
mbed_official | 237:f3da66175598 | 314 | MODIFY_REG(huart->Instance->CR3, USART_CR3_WUS, WakeUpSelection.WakeUpEvent); |
mbed_official | 237:f3da66175598 | 315 | |
mbed_official | 237:f3da66175598 | 316 | if (WakeUpSelection.WakeUpEvent == UART_WAKEUP_ON_ADDRESS) |
mbed_official | 237:f3da66175598 | 317 | { |
mbed_official | 237:f3da66175598 | 318 | UART_Wakeup_AddressConfig(huart, WakeUpSelection); |
mbed_official | 237:f3da66175598 | 319 | } |
mbed_official | 237:f3da66175598 | 320 | |
mbed_official | 237:f3da66175598 | 321 | /* Enable the Peripheral */ |
mbed_official | 237:f3da66175598 | 322 | __HAL_UART_ENABLE(huart); |
mbed_official | 237:f3da66175598 | 323 | |
mbed_official | 237:f3da66175598 | 324 | /* Wait until REACK flag is set */ |
mbed_official | 237:f3da66175598 | 325 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, HAL_UART_TIMEOUT_VALUE) != HAL_OK) |
mbed_official | 237:f3da66175598 | 326 | { |
mbed_official | 237:f3da66175598 | 327 | return HAL_TIMEOUT; |
mbed_official | 237:f3da66175598 | 328 | } |
mbed_official | 237:f3da66175598 | 329 | else |
mbed_official | 237:f3da66175598 | 330 | { |
mbed_official | 237:f3da66175598 | 331 | /* Initialize the UART State */ |
mbed_official | 237:f3da66175598 | 332 | huart->State= HAL_UART_STATE_READY; |
mbed_official | 237:f3da66175598 | 333 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 334 | __HAL_UNLOCK(huart); |
mbed_official | 237:f3da66175598 | 335 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 336 | } |
mbed_official | 237:f3da66175598 | 337 | } |
mbed_official | 237:f3da66175598 | 338 | |
mbed_official | 237:f3da66175598 | 339 | |
mbed_official | 237:f3da66175598 | 340 | /** |
mbed_official | 237:f3da66175598 | 341 | * @brief Enable UART Stop Mode |
mbed_official | 237:f3da66175598 | 342 | * The UART is able to wake up the MCU from Stop mode as long as UART clock is HSI or LSE |
mbed_official | 237:f3da66175598 | 343 | * @param huart: uart handle |
mbed_official | 237:f3da66175598 | 344 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 345 | */ |
mbed_official | 237:f3da66175598 | 346 | HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart) |
mbed_official | 237:f3da66175598 | 347 | { |
mbed_official | 237:f3da66175598 | 348 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 349 | __HAL_LOCK(huart); |
mbed_official | 237:f3da66175598 | 350 | |
mbed_official | 237:f3da66175598 | 351 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 352 | |
mbed_official | 237:f3da66175598 | 353 | /* Set the USART UESM bit */ |
mbed_official | 237:f3da66175598 | 354 | huart->Instance->CR1 |= USART_CR1_UESM; |
mbed_official | 237:f3da66175598 | 355 | |
mbed_official | 237:f3da66175598 | 356 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 237:f3da66175598 | 357 | |
mbed_official | 237:f3da66175598 | 358 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 359 | __HAL_UNLOCK(huart); |
mbed_official | 237:f3da66175598 | 360 | |
mbed_official | 237:f3da66175598 | 361 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 362 | } |
mbed_official | 237:f3da66175598 | 363 | |
mbed_official | 237:f3da66175598 | 364 | /** |
mbed_official | 237:f3da66175598 | 365 | * @brief Disable UART Stop Mode |
mbed_official | 237:f3da66175598 | 366 | * @param huart: uart handle |
mbed_official | 237:f3da66175598 | 367 | * @retval HAL status |
mbed_official | 237:f3da66175598 | 368 | */ |
mbed_official | 237:f3da66175598 | 369 | HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart) |
mbed_official | 237:f3da66175598 | 370 | { |
mbed_official | 237:f3da66175598 | 371 | /* Process Locked */ |
mbed_official | 237:f3da66175598 | 372 | __HAL_LOCK(huart); |
mbed_official | 237:f3da66175598 | 373 | |
mbed_official | 237:f3da66175598 | 374 | huart->State = HAL_UART_STATE_BUSY; |
mbed_official | 237:f3da66175598 | 375 | |
mbed_official | 237:f3da66175598 | 376 | /* Clear USART UESM bit */ |
mbed_official | 237:f3da66175598 | 377 | huart->Instance->CR1 &= ~(USART_CR1_UESM); |
mbed_official | 237:f3da66175598 | 378 | |
mbed_official | 237:f3da66175598 | 379 | huart->State = HAL_UART_STATE_READY; |
mbed_official | 237:f3da66175598 | 380 | |
mbed_official | 237:f3da66175598 | 381 | /* Process Unlocked */ |
mbed_official | 237:f3da66175598 | 382 | __HAL_UNLOCK(huart); |
mbed_official | 237:f3da66175598 | 383 | |
mbed_official | 237:f3da66175598 | 384 | return HAL_OK; |
mbed_official | 237:f3da66175598 | 385 | } |
mbed_official | 237:f3da66175598 | 386 | |
mbed_official | 237:f3da66175598 | 387 | |
mbed_official | 237:f3da66175598 | 388 | /** |
mbed_official | 237:f3da66175598 | 389 | * @} |
mbed_official | 237:f3da66175598 | 390 | */ |
mbed_official | 237:f3da66175598 | 391 | |
mbed_official | 237:f3da66175598 | 392 | /** |
mbed_official | 237:f3da66175598 | 393 | * @} |
mbed_official | 237:f3da66175598 | 394 | */ |
mbed_official | 375:3d36234a1087 | 395 | |
mbed_official | 237:f3da66175598 | 396 | #endif /* HAL_UART_MODULE_ENABLED */ |
mbed_official | 237:f3da66175598 | 397 | /** |
mbed_official | 237:f3da66175598 | 398 | * @} |
mbed_official | 237:f3da66175598 | 399 | */ |
mbed_official | 237:f3da66175598 | 400 | |
mbed_official | 237:f3da66175598 | 401 | /** |
mbed_official | 237:f3da66175598 | 402 | * @} |
mbed_official | 237:f3da66175598 | 403 | */ |
mbed_official | 237:f3da66175598 | 404 | |
mbed_official | 237:f3da66175598 | 405 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |