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targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_uart_ex.c@636:a11c0372f0ba, 2015-09-30 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Sep 30 17:00:09 2015 +0100
- Revision:
- 636:a11c0372f0ba
- Parent:
- 631:825f75ca301e
Synchronized with git revision d29c98dae61be0946ddf3a3c641c7726056f9452
Full URL: https://github.com/mbedmicro/mbed/commit/d29c98dae61be0946ddf3a3c641c7726056f9452/
Added support for SAMW25
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 | 631:825f75ca301e | 5 | * @version V1.3.0 |
| mbed_official | 631:825f75ca301e | 6 | * @date 26-June-2015 |
| mbed_official | 340:28d1f895c6fe | 7 | * @brief Extended UART HAL module driver. |
| mbed_official | 340:28d1f895c6fe | 8 | * This file provides firmware functions to manage the following extended |
| mbed_official | 340:28d1f895c6fe | 9 | * functionalities of the Universal Asynchronous Receiver Transmitter Peripheral (UART). |
| mbed_official | 340:28d1f895c6fe | 10 | * + Initialization and de-initialization functions |
| mbed_official | 340:28d1f895c6fe | 11 | * + Peripheral Control functions |
| mbed_official | 340:28d1f895c6fe | 12 | * |
| mbed_official | 340:28d1f895c6fe | 13 | * |
| mbed_official | 340:28d1f895c6fe | 14 | @verbatim |
| mbed_official | 631:825f75ca301e | 15 | ============================================================================== |
| mbed_official | 631:825f75ca301e | 16 | ##### UART peripheral extended features ##### |
| mbed_official | 631:825f75ca301e | 17 | ============================================================================== |
| mbed_official | 631:825f75ca301e | 18 | |
| mbed_official | 340:28d1f895c6fe | 19 | (#) Declare a UART_HandleTypeDef handle structure. |
| mbed_official | 340:28d1f895c6fe | 20 | |
| mbed_official | 631:825f75ca301e | 21 | (#) For the UART RS485 Driver Enable mode, initialize the UART registers |
| mbed_official | 631:825f75ca301e | 22 | by calling the HAL_RS485Ex_Init() API. |
| mbed_official | 631:825f75ca301e | 23 | |
| mbed_official | 340:28d1f895c6fe | 24 | |
| mbed_official | 340:28d1f895c6fe | 25 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 26 | ****************************************************************************** |
| mbed_official | 340:28d1f895c6fe | 27 | * @attention |
| mbed_official | 340:28d1f895c6fe | 28 | * |
| mbed_official | 631:825f75ca301e | 29 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
| mbed_official | 340:28d1f895c6fe | 30 | * |
| mbed_official | 340:28d1f895c6fe | 31 | * Redistribution and use in source and binary forms, with or without modification, |
| mbed_official | 340:28d1f895c6fe | 32 | * are permitted provided that the following conditions are met: |
| mbed_official | 340:28d1f895c6fe | 33 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 340:28d1f895c6fe | 34 | * this list of conditions and the following disclaimer. |
| mbed_official | 340:28d1f895c6fe | 35 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 340:28d1f895c6fe | 36 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 340:28d1f895c6fe | 37 | * and/or other materials provided with the distribution. |
| mbed_official | 340:28d1f895c6fe | 38 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 340:28d1f895c6fe | 39 | * may be used to endorse or promote products derived from this software |
| mbed_official | 340:28d1f895c6fe | 40 | * without specific prior written permission. |
| mbed_official | 340:28d1f895c6fe | 41 | * |
| mbed_official | 340:28d1f895c6fe | 42 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 340:28d1f895c6fe | 43 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 340:28d1f895c6fe | 44 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 340:28d1f895c6fe | 45 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 340:28d1f895c6fe | 46 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 340:28d1f895c6fe | 47 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 340:28d1f895c6fe | 48 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 340:28d1f895c6fe | 49 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 340:28d1f895c6fe | 50 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 340:28d1f895c6fe | 51 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 340:28d1f895c6fe | 52 | * |
| mbed_official | 631:825f75ca301e | 53 | ****************************************************************************** |
| mbed_official | 340:28d1f895c6fe | 54 | */ |
| mbed_official | 340:28d1f895c6fe | 55 | |
| mbed_official | 340:28d1f895c6fe | 56 | /* Includes ------------------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 57 | #include "stm32f0xx_hal.h" |
| mbed_official | 340:28d1f895c6fe | 58 | |
| mbed_official | 340:28d1f895c6fe | 59 | /** @addtogroup STM32F0xx_HAL_Driver |
| mbed_official | 340:28d1f895c6fe | 60 | * @{ |
| mbed_official | 340:28d1f895c6fe | 61 | */ |
| mbed_official | 340:28d1f895c6fe | 62 | |
| mbed_official | 631:825f75ca301e | 63 | /** @defgroup UARTEx UARTEx |
| mbed_official | 340:28d1f895c6fe | 64 | * @brief UART Extended HAL module driver |
| mbed_official | 340:28d1f895c6fe | 65 | * @{ |
| mbed_official | 340:28d1f895c6fe | 66 | */ |
| mbed_official | 340:28d1f895c6fe | 67 | |
| mbed_official | 340:28d1f895c6fe | 68 | #ifdef HAL_UART_MODULE_ENABLED |
| mbed_official | 340:28d1f895c6fe | 69 | |
| mbed_official | 340:28d1f895c6fe | 70 | /* Private typedef -----------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 71 | /* Private define ------------------------------------------------------------*/ |
| mbed_official | 631:825f75ca301e | 72 | /* Private macros ------------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 73 | /* Private variables ---------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 74 | /* Private function prototypes -----------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 75 | /** @defgroup UARTEx_Private_Functions UARTEx Private Functions |
| mbed_official | 340:28d1f895c6fe | 76 | * @{ |
| mbed_official | 340:28d1f895c6fe | 77 | */ |
| mbed_official | 442:d2c15dda23c1 | 78 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 631:825f75ca301e | 79 | static void UARTEx_Wakeup_AddressConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection); |
| mbed_official | 442:d2c15dda23c1 | 80 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
| mbed_official | 340:28d1f895c6fe | 81 | |
| mbed_official | 340:28d1f895c6fe | 82 | /** |
| mbed_official | 340:28d1f895c6fe | 83 | * @} |
| mbed_official | 340:28d1f895c6fe | 84 | */ |
| mbed_official | 340:28d1f895c6fe | 85 | |
| mbed_official | 340:28d1f895c6fe | 86 | /* Exported functions ---------------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 87 | |
| mbed_official | 340:28d1f895c6fe | 88 | /** @defgroup UARTEx_Exported_Functions UARTEx Exported Functions |
| mbed_official | 340:28d1f895c6fe | 89 | * @{ |
| mbed_official | 340:28d1f895c6fe | 90 | */ |
| mbed_official | 340:28d1f895c6fe | 91 | |
| mbed_official | 631:825f75ca301e | 92 | /** @defgroup UARTEx_Exported_Functions_Group1 Extended Initialization and de-initialization functions |
| mbed_official | 442:d2c15dda23c1 | 93 | * @brief Extended Initialization and Configuration Functions |
| mbed_official | 442:d2c15dda23c1 | 94 | * |
| mbed_official | 442:d2c15dda23c1 | 95 | @verbatim |
| mbed_official | 442:d2c15dda23c1 | 96 | =============================================================================== |
| mbed_official | 442:d2c15dda23c1 | 97 | ##### Initialization and Configuration functions ##### |
| mbed_official | 442:d2c15dda23c1 | 98 | ============================================================================== |
| mbed_official | 442:d2c15dda23c1 | 99 | [..] |
| mbed_official | 442:d2c15dda23c1 | 100 | This subsection provides a set of functions allowing to initialize the USARTx or the UARTy |
| mbed_official | 442:d2c15dda23c1 | 101 | in asynchronous mode. |
| mbed_official | 631:825f75ca301e | 102 | (+) For the asynchronous mode the parameters below can be configured: |
| mbed_official | 442:d2c15dda23c1 | 103 | (++) Baud Rate |
| mbed_official | 442:d2c15dda23c1 | 104 | (++) Word Length (Fixed to 8-bits only for LIN mode) |
| mbed_official | 442:d2c15dda23c1 | 105 | (++) Stop Bit |
| mbed_official | 442:d2c15dda23c1 | 106 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
| mbed_official | 442:d2c15dda23c1 | 107 | in the data register is transmitted but is changed by the parity bit. |
| mbed_official | 631:825f75ca301e | 108 | According to device capability (support or not of 7-bit word length), |
| mbed_official | 631:825f75ca301e | 109 | frame length is either defined by the M bit (8-bits or 9-bits) |
| mbed_official | 631:825f75ca301e | 110 | or by the M1 and M0 bits (7-bit, 8-bit or 9-bit). |
| mbed_official | 631:825f75ca301e | 111 | Possible UART frame formats are as listed in the following table: |
| mbed_official | 631:825f75ca301e | 112 | |
| mbed_official | 631:825f75ca301e | 113 | (+++) Table 1. UART frame format. |
| mbed_official | 631:825f75ca301e | 114 | (+++) +-----------------------------------------------------------------------+ |
| mbed_official | 631:825f75ca301e | 115 | (+++) | M bit | PCE bit | UART frame | |
| mbed_official | 631:825f75ca301e | 116 | (+++) |-------------------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 117 | (+++) | 0 | 0 | | SB | 8-bit data | STB | | |
| mbed_official | 631:825f75ca301e | 118 | (+++) |-------------------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 119 | (+++) | 0 | 1 | | SB | 7-bit data | PB | STB | | |
| mbed_official | 631:825f75ca301e | 120 | (+++) |-------------------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 121 | (+++) | 1 | 0 | | SB | 9-bit data | STB | | |
| mbed_official | 631:825f75ca301e | 122 | (+++) |-------------------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 123 | (+++) | 1 | 1 | | SB | 8-bit data | PB | STB | | |
| mbed_official | 631:825f75ca301e | 124 | (+++) +-----------------------------------------------------------------------+ |
| mbed_official | 631:825f75ca301e | 125 | (+++) | M1 bit | M0 bit | PCE bit | UART frame | |
| mbed_official | 631:825f75ca301e | 126 | (+++) |---------|---------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 127 | (+++) | 0 | 0 | 0 | | SB | 8 bit data | STB | | |
| mbed_official | 631:825f75ca301e | 128 | (+++) |---------|---------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 129 | (+++) | 0 | 0 | 1 | | SB | 7 bit data | PB | STB | | |
| mbed_official | 631:825f75ca301e | 130 | (+++) |---------|---------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 131 | (+++) | 0 | 1 | 0 | | SB | 9 bit data | STB | | |
| mbed_official | 631:825f75ca301e | 132 | (+++) |---------|---------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 133 | (+++) | 0 | 1 | 1 | | SB | 8 bit data | PB | STB | | |
| mbed_official | 631:825f75ca301e | 134 | (+++) |---------|---------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 135 | (+++) | 1 | 0 | 0 | | SB | 7 bit data | STB | | |
| mbed_official | 631:825f75ca301e | 136 | (+++) |---------|---------|-----------|---------------------------------------| |
| mbed_official | 631:825f75ca301e | 137 | (+++) | 1 | 0 | 1 | | SB | 6 bit data | PB | STB | | |
| mbed_official | 631:825f75ca301e | 138 | (+++) +-----------------------------------------------------------------------+ |
| mbed_official | 442:d2c15dda23c1 | 139 | (++) Hardware flow control |
| mbed_official | 442:d2c15dda23c1 | 140 | (++) Receiver/transmitter modes |
| mbed_official | 442:d2c15dda23c1 | 141 | (++) Over Sampling Method |
| mbed_official | 442:d2c15dda23c1 | 142 | (++) One-Bit Sampling Method |
| mbed_official | 442:d2c15dda23c1 | 143 | (+) For the asynchronous mode, the following advanced features can be configured as well: |
| mbed_official | 442:d2c15dda23c1 | 144 | (++) TX and/or RX pin level inversion |
| mbed_official | 442:d2c15dda23c1 | 145 | (++) data logical level inversion |
| mbed_official | 442:d2c15dda23c1 | 146 | (++) RX and TX pins swap |
| mbed_official | 442:d2c15dda23c1 | 147 | (++) RX overrun detection disabling |
| mbed_official | 442:d2c15dda23c1 | 148 | (++) DMA disabling on RX error |
| mbed_official | 442:d2c15dda23c1 | 149 | (++) MSB first on communication line |
| mbed_official | 442:d2c15dda23c1 | 150 | (++) auto Baud rate detection |
| mbed_official | 442:d2c15dda23c1 | 151 | [..] |
| mbed_official | 442:d2c15dda23c1 | 152 | The HAL_LIN_Init() and HAL_RS485Ex_Init() APIs follows respectively the LIN and |
| mbed_official | 442:d2c15dda23c1 | 153 | the UART RS485 mode configuration procedures (details for the procedures are |
| mbed_official | 442:d2c15dda23c1 | 154 | available in reference manual). |
| mbed_official | 442:d2c15dda23c1 | 155 | |
| mbed_official | 442:d2c15dda23c1 | 156 | @endverbatim |
| mbed_official | 442:d2c15dda23c1 | 157 | * @{ |
| mbed_official | 442:d2c15dda23c1 | 158 | */ |
| mbed_official | 442:d2c15dda23c1 | 159 | |
| mbed_official | 442:d2c15dda23c1 | 160 | /** |
| mbed_official | 631:825f75ca301e | 161 | * @brief Initialize the RS485 Driver enable feature according to the specified |
| mbed_official | 631:825f75ca301e | 162 | * parameters in the UART_InitTypeDef and creates the associated handle. |
| mbed_official | 631:825f75ca301e | 163 | * @param huart: UART handle. |
| mbed_official | 631:825f75ca301e | 164 | * @param Polarity: select the driver enable polarity. |
| mbed_official | 442:d2c15dda23c1 | 165 | * This parameter can be one of the following values: |
| mbed_official | 442:d2c15dda23c1 | 166 | * @arg UART_DE_POLARITY_HIGH: DE signal is active high |
| mbed_official | 442:d2c15dda23c1 | 167 | * @arg UART_DE_POLARITY_LOW: DE signal is active low |
| mbed_official | 631:825f75ca301e | 168 | * @param AssertionTime: Driver Enable assertion time: |
| mbed_official | 442:d2c15dda23c1 | 169 | * 5-bit value defining the time between the activation of the DE (Driver Enable) |
| mbed_official | 442:d2c15dda23c1 | 170 | * signal and the beginning of the start bit. It is expressed in sample time |
| mbed_official | 631:825f75ca301e | 171 | * units (1/8 or 1/16 bit time, depending on the oversampling rate) |
| mbed_official | 631:825f75ca301e | 172 | * @param DeassertionTime: Driver Enable deassertion time: |
| mbed_official | 442:d2c15dda23c1 | 173 | * 5-bit value defining the time between the end of the last stop bit, in a |
| mbed_official | 442:d2c15dda23c1 | 174 | * transmitted message, and the de-activation of the DE (Driver Enable) signal. |
| mbed_official | 442:d2c15dda23c1 | 175 | * It is expressed in sample time units (1/8 or 1/16 bit time, depending on the |
| mbed_official | 631:825f75ca301e | 176 | * oversampling rate). |
| mbed_official | 442:d2c15dda23c1 | 177 | * @retval HAL status |
| mbed_official | 442:d2c15dda23c1 | 178 | */ |
| mbed_official | 631:825f75ca301e | 179 | HAL_StatusTypeDef HAL_RS485Ex_Init(UART_HandleTypeDef *huart, uint32_t Polarity, uint32_t AssertionTime, uint32_t DeassertionTime) |
| mbed_official | 442:d2c15dda23c1 | 180 | { |
| mbed_official | 442:d2c15dda23c1 | 181 | uint32_t temp = 0x0; |
| mbed_official | 631:825f75ca301e | 182 | |
| mbed_official | 442:d2c15dda23c1 | 183 | /* Check the UART handle allocation */ |
| mbed_official | 442:d2c15dda23c1 | 184 | if(huart == NULL) |
| mbed_official | 442:d2c15dda23c1 | 185 | { |
| mbed_official | 442:d2c15dda23c1 | 186 | return HAL_ERROR; |
| mbed_official | 442:d2c15dda23c1 | 187 | } |
| mbed_official | 442:d2c15dda23c1 | 188 | /* Check the Driver Enable UART instance */ |
| mbed_official | 442:d2c15dda23c1 | 189 | assert_param(IS_UART_DRIVER_ENABLE_INSTANCE(huart->Instance)); |
| mbed_official | 631:825f75ca301e | 190 | |
| mbed_official | 442:d2c15dda23c1 | 191 | /* Check the Driver Enable polarity */ |
| mbed_official | 631:825f75ca301e | 192 | assert_param(IS_UART_DE_POLARITY(Polarity)); |
| mbed_official | 631:825f75ca301e | 193 | |
| mbed_official | 442:d2c15dda23c1 | 194 | /* Check the Driver Enable assertion time */ |
| mbed_official | 631:825f75ca301e | 195 | assert_param(IS_UART_ASSERTIONTIME(AssertionTime)); |
| mbed_official | 631:825f75ca301e | 196 | |
| mbed_official | 442:d2c15dda23c1 | 197 | /* Check the Driver Enable deassertion time */ |
| mbed_official | 631:825f75ca301e | 198 | assert_param(IS_UART_DEASSERTIONTIME(DeassertionTime)); |
| mbed_official | 631:825f75ca301e | 199 | |
| mbed_official | 442:d2c15dda23c1 | 200 | if(huart->State == HAL_UART_STATE_RESET) |
| mbed_official | 631:825f75ca301e | 201 | { |
| mbed_official | 631:825f75ca301e | 202 | /* Allocate lock resource and initialize it */ |
| mbed_official | 631:825f75ca301e | 203 | huart->Lock = HAL_UNLOCKED; |
| mbed_official | 631:825f75ca301e | 204 | |
| mbed_official | 631:825f75ca301e | 205 | /* Init the low level hardware : GPIO, CLOCK, CORTEX */ |
| mbed_official | 442:d2c15dda23c1 | 206 | HAL_UART_MspInit(huart); |
| mbed_official | 442:d2c15dda23c1 | 207 | } |
| mbed_official | 631:825f75ca301e | 208 | |
| mbed_official | 442:d2c15dda23c1 | 209 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 631:825f75ca301e | 210 | |
| mbed_official | 442:d2c15dda23c1 | 211 | /* Disable the Peripheral */ |
| mbed_official | 442:d2c15dda23c1 | 212 | __HAL_UART_DISABLE(huart); |
| mbed_official | 631:825f75ca301e | 213 | |
| mbed_official | 442:d2c15dda23c1 | 214 | /* Set the UART Communication parameters */ |
| mbed_official | 442:d2c15dda23c1 | 215 | if (UART_SetConfig(huart) == HAL_ERROR) |
| mbed_official | 442:d2c15dda23c1 | 216 | { |
| mbed_official | 442:d2c15dda23c1 | 217 | return HAL_ERROR; |
| mbed_official | 631:825f75ca301e | 218 | } |
| mbed_official | 631:825f75ca301e | 219 | |
| mbed_official | 631:825f75ca301e | 220 | if(huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
| mbed_official | 442:d2c15dda23c1 | 221 | { |
| mbed_official | 442:d2c15dda23c1 | 222 | UART_AdvFeatureConfig(huart); |
| mbed_official | 442:d2c15dda23c1 | 223 | } |
| mbed_official | 631:825f75ca301e | 224 | |
| mbed_official | 442:d2c15dda23c1 | 225 | /* Enable the Driver Enable mode by setting the DEM bit in the CR3 register */ |
| mbed_official | 631:825f75ca301e | 226 | SET_BIT(huart->Instance->CR3, USART_CR3_DEM); |
| mbed_official | 631:825f75ca301e | 227 | |
| mbed_official | 442:d2c15dda23c1 | 228 | /* Set the Driver Enable polarity */ |
| mbed_official | 631:825f75ca301e | 229 | MODIFY_REG(huart->Instance->CR3, USART_CR3_DEP, Polarity); |
| mbed_official | 631:825f75ca301e | 230 | |
| mbed_official | 442:d2c15dda23c1 | 231 | /* Set the Driver Enable assertion and deassertion times */ |
| mbed_official | 631:825f75ca301e | 232 | temp = (AssertionTime << UART_CR1_DEAT_ADDRESS_LSB_POS); |
| mbed_official | 631:825f75ca301e | 233 | temp |= (DeassertionTime << UART_CR1_DEDT_ADDRESS_LSB_POS); |
| mbed_official | 442:d2c15dda23c1 | 234 | MODIFY_REG(huart->Instance->CR1, (USART_CR1_DEDT|USART_CR1_DEAT), temp); |
| mbed_official | 631:825f75ca301e | 235 | |
| mbed_official | 442:d2c15dda23c1 | 236 | /* Enable the Peripheral */ |
| mbed_official | 442:d2c15dda23c1 | 237 | __HAL_UART_ENABLE(huart); |
| mbed_official | 631:825f75ca301e | 238 | |
| mbed_official | 442:d2c15dda23c1 | 239 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
| mbed_official | 442:d2c15dda23c1 | 240 | return (UART_CheckIdleState(huart)); |
| mbed_official | 442:d2c15dda23c1 | 241 | } |
| mbed_official | 442:d2c15dda23c1 | 242 | |
| mbed_official | 442:d2c15dda23c1 | 243 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 442:d2c15dda23c1 | 244 | /** |
| mbed_official | 631:825f75ca301e | 245 | * @brief Initialize the LIN mode according to the specified |
| mbed_official | 631:825f75ca301e | 246 | * parameters in the UART_InitTypeDef and creates the associated handle . |
| mbed_official | 631:825f75ca301e | 247 | * @param huart: UART handle. |
| mbed_official | 442:d2c15dda23c1 | 248 | * @param BreakDetectLength: specifies the LIN break detection length. |
| mbed_official | 442:d2c15dda23c1 | 249 | * This parameter can be one of the following values: |
| mbed_official | 442:d2c15dda23c1 | 250 | * @arg UART_LINBREAKDETECTLENGTH_10B: 10-bit break detection |
| mbed_official | 442:d2c15dda23c1 | 251 | * @arg UART_LINBREAKDETECTLENGTH_11B: 11-bit break detection |
| mbed_official | 442:d2c15dda23c1 | 252 | * @retval HAL status |
| mbed_official | 442:d2c15dda23c1 | 253 | */ |
| mbed_official | 442:d2c15dda23c1 | 254 | HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength) |
| mbed_official | 442:d2c15dda23c1 | 255 | { |
| mbed_official | 442:d2c15dda23c1 | 256 | /* Check the UART handle allocation */ |
| mbed_official | 442:d2c15dda23c1 | 257 | if(huart == NULL) |
| mbed_official | 442:d2c15dda23c1 | 258 | { |
| mbed_official | 442:d2c15dda23c1 | 259 | return HAL_ERROR; |
| mbed_official | 442:d2c15dda23c1 | 260 | } |
| mbed_official | 631:825f75ca301e | 261 | |
| mbed_official | 631:825f75ca301e | 262 | /* Check the LIN UART instance */ |
| mbed_official | 442:d2c15dda23c1 | 263 | assert_param(IS_UART_LIN_INSTANCE(huart->Instance)); |
| mbed_official | 631:825f75ca301e | 264 | /* Check the Break detection length parameter */ |
| mbed_official | 442:d2c15dda23c1 | 265 | assert_param(IS_UART_LIN_BREAK_DETECT_LENGTH(BreakDetectLength)); |
| mbed_official | 631:825f75ca301e | 266 | |
| mbed_official | 442:d2c15dda23c1 | 267 | /* LIN mode limited to 16-bit oversampling only */ |
| mbed_official | 442:d2c15dda23c1 | 268 | if(huart->Init.OverSampling == UART_OVERSAMPLING_8) |
| mbed_official | 442:d2c15dda23c1 | 269 | { |
| mbed_official | 442:d2c15dda23c1 | 270 | return HAL_ERROR; |
| mbed_official | 442:d2c15dda23c1 | 271 | } |
| mbed_official | 631:825f75ca301e | 272 | /* LIN mode limited to 8-bit data length */ |
| mbed_official | 631:825f75ca301e | 273 | if(huart->Init.WordLength != UART_WORDLENGTH_8B) |
| mbed_official | 442:d2c15dda23c1 | 274 | { |
| mbed_official | 442:d2c15dda23c1 | 275 | return HAL_ERROR; |
| mbed_official | 442:d2c15dda23c1 | 276 | } |
| mbed_official | 442:d2c15dda23c1 | 277 | |
| mbed_official | 631:825f75ca301e | 278 | if(huart->State == HAL_UART_STATE_RESET) |
| mbed_official | 631:825f75ca301e | 279 | { |
| mbed_official | 631:825f75ca301e | 280 | /* Allocate lock resource and initialize it */ |
| mbed_official | 631:825f75ca301e | 281 | huart->Lock = HAL_UNLOCKED; |
| mbed_official | 631:825f75ca301e | 282 | |
| mbed_official | 631:825f75ca301e | 283 | /* Init the low level hardware : GPIO, CLOCK */ |
| mbed_official | 631:825f75ca301e | 284 | HAL_UART_MspInit(huart); |
| mbed_official | 631:825f75ca301e | 285 | } |
| mbed_official | 631:825f75ca301e | 286 | |
| mbed_official | 631:825f75ca301e | 287 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 631:825f75ca301e | 288 | |
| mbed_official | 442:d2c15dda23c1 | 289 | /* Disable the Peripheral */ |
| mbed_official | 442:d2c15dda23c1 | 290 | __HAL_UART_DISABLE(huart); |
| mbed_official | 631:825f75ca301e | 291 | |
| mbed_official | 442:d2c15dda23c1 | 292 | /* Set the UART Communication parameters */ |
| mbed_official | 442:d2c15dda23c1 | 293 | if (UART_SetConfig(huart) == HAL_ERROR) |
| mbed_official | 442:d2c15dda23c1 | 294 | { |
| mbed_official | 442:d2c15dda23c1 | 295 | return HAL_ERROR; |
| mbed_official | 631:825f75ca301e | 296 | } |
| mbed_official | 631:825f75ca301e | 297 | |
| mbed_official | 442:d2c15dda23c1 | 298 | if (huart->AdvancedInit.AdvFeatureInit != UART_ADVFEATURE_NO_INIT) |
| mbed_official | 442:d2c15dda23c1 | 299 | { |
| mbed_official | 442:d2c15dda23c1 | 300 | UART_AdvFeatureConfig(huart); |
| mbed_official | 442:d2c15dda23c1 | 301 | } |
| mbed_official | 631:825f75ca301e | 302 | |
| mbed_official | 631:825f75ca301e | 303 | /* In LIN mode, the following bits must be kept cleared: |
| mbed_official | 442:d2c15dda23c1 | 304 | - LINEN and CLKEN bits in the USART_CR2 register, |
| mbed_official | 442:d2c15dda23c1 | 305 | - SCEN and IREN bits in the USART_CR3 register.*/ |
| mbed_official | 442:d2c15dda23c1 | 306 | huart->Instance->CR2 &= ~(USART_CR2_CLKEN); |
| mbed_official | 442:d2c15dda23c1 | 307 | huart->Instance->CR3 &= ~(USART_CR3_HDSEL | USART_CR3_IREN | USART_CR3_SCEN); |
| mbed_official | 631:825f75ca301e | 308 | |
| mbed_official | 442:d2c15dda23c1 | 309 | /* Enable the LIN mode by setting the LINEN bit in the CR2 register */ |
| mbed_official | 442:d2c15dda23c1 | 310 | huart->Instance->CR2 |= USART_CR2_LINEN; |
| mbed_official | 631:825f75ca301e | 311 | |
| mbed_official | 442:d2c15dda23c1 | 312 | /* Set the USART LIN Break detection length. */ |
| mbed_official | 442:d2c15dda23c1 | 313 | MODIFY_REG(huart->Instance->CR2, USART_CR2_LBDL, BreakDetectLength); |
| mbed_official | 631:825f75ca301e | 314 | |
| mbed_official | 442:d2c15dda23c1 | 315 | /* Enable the Peripheral */ |
| mbed_official | 442:d2c15dda23c1 | 316 | __HAL_UART_ENABLE(huart); |
| mbed_official | 631:825f75ca301e | 317 | |
| mbed_official | 442:d2c15dda23c1 | 318 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
| mbed_official | 442:d2c15dda23c1 | 319 | return (UART_CheckIdleState(huart)); |
| mbed_official | 442:d2c15dda23c1 | 320 | } |
| mbed_official | 442:d2c15dda23c1 | 321 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
| mbed_official | 631:825f75ca301e | 322 | |
| mbed_official | 442:d2c15dda23c1 | 323 | /** |
| mbed_official | 442:d2c15dda23c1 | 324 | * @} |
| mbed_official | 442:d2c15dda23c1 | 325 | */ |
| mbed_official | 442:d2c15dda23c1 | 326 | |
| mbed_official | 340:28d1f895c6fe | 327 | /** @defgroup UARTEx_Exported_Functions_Group2 Extended IO operation function |
| mbed_official | 442:d2c15dda23c1 | 328 | * @brief Extended UART Interrupt handling function |
| mbed_official | 340:28d1f895c6fe | 329 | * |
| mbed_official | 442:d2c15dda23c1 | 330 | @verbatim |
| mbed_official | 340:28d1f895c6fe | 331 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 332 | ##### IO operation function ##### |
| mbed_official | 442:d2c15dda23c1 | 333 | =============================================================================== |
| mbed_official | 442:d2c15dda23c1 | 334 | [..] |
| mbed_official | 340:28d1f895c6fe | 335 | This subsection provides functions allowing to manage the UART interrupts |
| mbed_official | 340:28d1f895c6fe | 336 | and to handle Wake up interrupt call-back. |
| mbed_official | 340:28d1f895c6fe | 337 | |
| mbed_official | 340:28d1f895c6fe | 338 | (#) Non-Blocking mode API with Interrupt is : |
| mbed_official | 442:d2c15dda23c1 | 339 | (++) HAL_UART_IRQHandler() |
| mbed_official | 340:28d1f895c6fe | 340 | |
| mbed_official | 340:28d1f895c6fe | 341 | (#) Callback provided in No_Blocking mode: |
| mbed_official | 631:825f75ca301e | 342 | (++) HAL_UARTEx_WakeupCallback() |
| mbed_official | 340:28d1f895c6fe | 343 | |
| mbed_official | 340:28d1f895c6fe | 344 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 345 | * @{ |
| mbed_official | 340:28d1f895c6fe | 346 | */ |
| mbed_official | 340:28d1f895c6fe | 347 | |
| mbed_official | 442:d2c15dda23c1 | 348 | |
| mbed_official | 340:28d1f895c6fe | 349 | /** |
| mbed_official | 631:825f75ca301e | 350 | * @brief Handle UART interrupt request. |
| mbed_official | 631:825f75ca301e | 351 | * @param huart: UART handle. |
| mbed_official | 340:28d1f895c6fe | 352 | * @retval None |
| mbed_official | 340:28d1f895c6fe | 353 | */ |
| mbed_official | 340:28d1f895c6fe | 354 | void HAL_UART_IRQHandler(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 355 | { |
| mbed_official | 340:28d1f895c6fe | 356 | /* UART parity error interrupt occurred -------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 357 | if((__HAL_UART_GET_IT(huart, UART_IT_PE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_PE) != RESET)) |
| mbed_official | 631:825f75ca301e | 358 | { |
| mbed_official | 340:28d1f895c6fe | 359 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_PEF); |
| mbed_official | 631:825f75ca301e | 360 | |
| mbed_official | 340:28d1f895c6fe | 361 | huart->ErrorCode |= HAL_UART_ERROR_PE; |
| mbed_official | 340:28d1f895c6fe | 362 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 363 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 364 | } |
| mbed_official | 631:825f75ca301e | 365 | |
| mbed_official | 631:825f75ca301e | 366 | /* UART frame error interrupt occurred --------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 367 | if((__HAL_UART_GET_IT(huart, UART_IT_FE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
| mbed_official | 631:825f75ca301e | 368 | { |
| mbed_official | 340:28d1f895c6fe | 369 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_FEF); |
| mbed_official | 631:825f75ca301e | 370 | |
| mbed_official | 340:28d1f895c6fe | 371 | huart->ErrorCode |= HAL_UART_ERROR_FE; |
| mbed_official | 340:28d1f895c6fe | 372 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 373 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 374 | } |
| mbed_official | 631:825f75ca301e | 375 | |
| mbed_official | 631:825f75ca301e | 376 | /* UART noise error interrupt occurred --------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 377 | if((__HAL_UART_GET_IT(huart, UART_IT_NE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
| mbed_official | 631:825f75ca301e | 378 | { |
| mbed_official | 340:28d1f895c6fe | 379 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_NEF); |
| mbed_official | 631:825f75ca301e | 380 | |
| mbed_official | 631:825f75ca301e | 381 | huart->ErrorCode |= HAL_UART_ERROR_NE; |
| mbed_official | 340:28d1f895c6fe | 382 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 383 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 384 | } |
| mbed_official | 631:825f75ca301e | 385 | |
| mbed_official | 631:825f75ca301e | 386 | /* UART Over-Run interrupt occurred -----------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 387 | if((__HAL_UART_GET_IT(huart, UART_IT_ORE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_ERR) != RESET)) |
| mbed_official | 631:825f75ca301e | 388 | { |
| mbed_official | 340:28d1f895c6fe | 389 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_OREF); |
| mbed_official | 631:825f75ca301e | 390 | |
| mbed_official | 631:825f75ca301e | 391 | huart->ErrorCode |= HAL_UART_ERROR_ORE; |
| mbed_official | 340:28d1f895c6fe | 392 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 393 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 394 | } |
| mbed_official | 631:825f75ca301e | 395 | |
| mbed_official | 340:28d1f895c6fe | 396 | /* Call UART Error Call back function if need be --------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 397 | if(huart->ErrorCode != HAL_UART_ERROR_NONE) |
| mbed_official | 340:28d1f895c6fe | 398 | { |
| mbed_official | 340:28d1f895c6fe | 399 | HAL_UART_ErrorCallback(huart); |
| mbed_official | 340:28d1f895c6fe | 400 | } |
| mbed_official | 631:825f75ca301e | 401 | |
| mbed_official | 442:d2c15dda23c1 | 402 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 340:28d1f895c6fe | 403 | /* UART wakeup from Stop mode interrupt occurred -------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 404 | if((__HAL_UART_GET_IT(huart, UART_IT_WUF) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_WUF) != RESET)) |
| mbed_official | 631:825f75ca301e | 405 | { |
| mbed_official | 340:28d1f895c6fe | 406 | __HAL_UART_CLEAR_IT(huart, UART_CLEAR_WUF); |
| mbed_official | 340:28d1f895c6fe | 407 | /* Set the UART state ready to be able to start again the process */ |
| mbed_official | 340:28d1f895c6fe | 408 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 631:825f75ca301e | 409 | HAL_UARTEx_WakeupCallback(huart); |
| mbed_official | 340:28d1f895c6fe | 410 | } |
| mbed_official | 442:d2c15dda23c1 | 411 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
| mbed_official | 631:825f75ca301e | 412 | |
| mbed_official | 340:28d1f895c6fe | 413 | /* UART in mode Receiver ---------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 414 | if((__HAL_UART_GET_IT(huart, UART_IT_RXNE) != RESET) && (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET)) |
| mbed_official | 631:825f75ca301e | 415 | { |
| mbed_official | 340:28d1f895c6fe | 416 | UART_Receive_IT(huart); |
| mbed_official | 340:28d1f895c6fe | 417 | /* Clear RXNE interrupt flag */ |
| mbed_official | 340:28d1f895c6fe | 418 | __HAL_UART_SEND_REQ(huart, UART_RXDATA_FLUSH_REQUEST); |
| mbed_official | 340:28d1f895c6fe | 419 | } |
| mbed_official | 631:825f75ca301e | 420 | |
| mbed_official | 340:28d1f895c6fe | 421 | |
| mbed_official | 340:28d1f895c6fe | 422 | /* UART in mode Transmitter ------------------------------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 423 | if((__HAL_UART_GET_IT(huart, UART_IT_TXE) != RESET) &&(__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TXE) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 424 | { |
| mbed_official | 340:28d1f895c6fe | 425 | UART_Transmit_IT(huart); |
| mbed_official | 631:825f75ca301e | 426 | } |
| mbed_official | 631:825f75ca301e | 427 | |
| mbed_official | 631:825f75ca301e | 428 | /* UART in mode Transmitter (transmission end) -----------------------------*/ |
| mbed_official | 340:28d1f895c6fe | 429 | if((__HAL_UART_GET_IT(huart, UART_IT_TC) != RESET) &&(__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TC) != RESET)) |
| mbed_official | 340:28d1f895c6fe | 430 | { |
| mbed_official | 340:28d1f895c6fe | 431 | UART_EndTransmit_IT(huart); |
| mbed_official | 631:825f75ca301e | 432 | } |
| mbed_official | 631:825f75ca301e | 433 | |
| mbed_official | 340:28d1f895c6fe | 434 | } |
| mbed_official | 340:28d1f895c6fe | 435 | |
| mbed_official | 442:d2c15dda23c1 | 436 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 340:28d1f895c6fe | 437 | /** |
| mbed_official | 631:825f75ca301e | 438 | * @brief UART wakeup from Stop mode callback |
| mbed_official | 631:825f75ca301e | 439 | * @param huart: UART handle |
| mbed_official | 340:28d1f895c6fe | 440 | * @retval None |
| mbed_official | 340:28d1f895c6fe | 441 | */ |
| mbed_official | 631:825f75ca301e | 442 | __weak void HAL_UARTEx_WakeupCallback(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 443 | { |
| mbed_official | 340:28d1f895c6fe | 444 | /* NOTE : This function should not be modified, when the callback is needed, |
| mbed_official | 631:825f75ca301e | 445 | the HAL_UARTEx_WakeupCallback can be implemented in the user file |
| mbed_official | 340:28d1f895c6fe | 446 | */ |
| mbed_official | 340:28d1f895c6fe | 447 | } |
| mbed_official | 442:d2c15dda23c1 | 448 | #endif /*!defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC)*/ |
| mbed_official | 340:28d1f895c6fe | 449 | |
| mbed_official | 340:28d1f895c6fe | 450 | /** |
| mbed_official | 340:28d1f895c6fe | 451 | * @} |
| mbed_official | 340:28d1f895c6fe | 452 | */ |
| mbed_official | 340:28d1f895c6fe | 453 | |
| mbed_official | 340:28d1f895c6fe | 454 | |
| mbed_official | 340:28d1f895c6fe | 455 | /** @defgroup UARTEx_Exported_Functions_Group3 Extended Peripheral Control functions |
| mbed_official | 340:28d1f895c6fe | 456 | * @brief Extended Peripheral Control functions |
| mbed_official | 340:28d1f895c6fe | 457 | * |
| mbed_official | 340:28d1f895c6fe | 458 | @verbatim |
| mbed_official | 340:28d1f895c6fe | 459 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 460 | ##### Peripheral Control function ##### |
| mbed_official | 340:28d1f895c6fe | 461 | =============================================================================== |
| mbed_official | 340:28d1f895c6fe | 462 | [..] |
| mbed_official | 340:28d1f895c6fe | 463 | This subsection provides extended functions allowing to control the UART. |
| mbed_official | 442:d2c15dda23c1 | 464 | (+) HAL_UARTEx_StopModeWakeUpSourceConfig() API sets Wakeup from Stop mode interrupt flag selection |
| mbed_official | 442:d2c15dda23c1 | 465 | (+) HAL_UARTEx_EnableStopMode() API allows the UART to wake up the MCU from Stop mode as |
| mbed_official | 340:28d1f895c6fe | 466 | long as UART clock is HSI or LSE |
| mbed_official | 442:d2c15dda23c1 | 467 | (+) HAL_UARTEx_DisableStopMode() API disables the above feature |
| mbed_official | 631:825f75ca301e | 468 | (+) HAL_MultiProcessorEx_AddressLength_Set() API optionally sets the UART node address |
| mbed_official | 631:825f75ca301e | 469 | detection length to more than 4 bits for multiprocessor address mark wake up. |
| mbed_official | 442:d2c15dda23c1 | 470 | (+) HAL_LIN_SendBreak() API transmits the break characters |
| mbed_official | 340:28d1f895c6fe | 471 | |
| mbed_official | 340:28d1f895c6fe | 472 | @endverbatim |
| mbed_official | 340:28d1f895c6fe | 473 | * @{ |
| mbed_official | 340:28d1f895c6fe | 474 | */ |
| mbed_official | 340:28d1f895c6fe | 475 | |
| mbed_official | 442:d2c15dda23c1 | 476 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 340:28d1f895c6fe | 477 | /** |
| mbed_official | 631:825f75ca301e | 478 | * @brief Set Wakeup from Stop mode interrupt flag selection. |
| mbed_official | 631:825f75ca301e | 479 | * @param huart: UART handle. |
| mbed_official | 340:28d1f895c6fe | 480 | * @param WakeUpSelection: address match, Start Bit detection or RXNE bit status. |
| mbed_official | 631:825f75ca301e | 481 | * This parameter can be one of the following values: |
| mbed_official | 340:28d1f895c6fe | 482 | * @arg UART_WAKEUP_ON_ADDRESS |
| mbed_official | 340:28d1f895c6fe | 483 | * @arg UART_WAKEUP_ON_STARTBIT |
| mbed_official | 631:825f75ca301e | 484 | * @arg UART_WAKEUP_ON_READDATA_NONEMPTY |
| mbed_official | 340:28d1f895c6fe | 485 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 486 | */ |
| mbed_official | 340:28d1f895c6fe | 487 | HAL_StatusTypeDef HAL_UARTEx_StopModeWakeUpSourceConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
| mbed_official | 340:28d1f895c6fe | 488 | { |
| mbed_official | 631:825f75ca301e | 489 | HAL_StatusTypeDef status = HAL_OK; |
| mbed_official | 631:825f75ca301e | 490 | |
| mbed_official | 631:825f75ca301e | 491 | /* check the wake-up from stop mode UART instance */ |
| mbed_official | 340:28d1f895c6fe | 492 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 631:825f75ca301e | 493 | /* check the wake-up selection parameter */ |
| mbed_official | 340:28d1f895c6fe | 494 | assert_param(IS_UART_WAKEUP_SELECTION(WakeUpSelection.WakeUpEvent)); |
| mbed_official | 631:825f75ca301e | 495 | |
| mbed_official | 340:28d1f895c6fe | 496 | /* Process Locked */ |
| mbed_official | 340:28d1f895c6fe | 497 | __HAL_LOCK(huart); |
| mbed_official | 631:825f75ca301e | 498 | |
| mbed_official | 340:28d1f895c6fe | 499 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 631:825f75ca301e | 500 | |
| mbed_official | 340:28d1f895c6fe | 501 | /* Disable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 502 | __HAL_UART_DISABLE(huart); |
| mbed_official | 340:28d1f895c6fe | 503 | |
| mbed_official | 340:28d1f895c6fe | 504 | /* Set the wake-up selection scheme */ |
| mbed_official | 340:28d1f895c6fe | 505 | MODIFY_REG(huart->Instance->CR3, USART_CR3_WUS, WakeUpSelection.WakeUpEvent); |
| mbed_official | 631:825f75ca301e | 506 | |
| mbed_official | 340:28d1f895c6fe | 507 | if (WakeUpSelection.WakeUpEvent == UART_WAKEUP_ON_ADDRESS) |
| mbed_official | 340:28d1f895c6fe | 508 | { |
| mbed_official | 631:825f75ca301e | 509 | UARTEx_Wakeup_AddressConfig(huart, WakeUpSelection); |
| mbed_official | 340:28d1f895c6fe | 510 | } |
| mbed_official | 631:825f75ca301e | 511 | |
| mbed_official | 340:28d1f895c6fe | 512 | /* Enable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 513 | __HAL_UART_ENABLE(huart); |
| mbed_official | 631:825f75ca301e | 514 | |
| mbed_official | 340:28d1f895c6fe | 515 | /* Wait until REACK flag is set */ |
| mbed_official | 631:825f75ca301e | 516 | if(UART_WaitOnFlagUntilTimeout(huart, USART_ISR_REACK, RESET, HAL_UART_TIMEOUT_VALUE) != HAL_OK) |
| mbed_official | 631:825f75ca301e | 517 | { |
| mbed_official | 631:825f75ca301e | 518 | status = HAL_TIMEOUT; |
| mbed_official | 340:28d1f895c6fe | 519 | } |
| mbed_official | 340:28d1f895c6fe | 520 | else |
| mbed_official | 340:28d1f895c6fe | 521 | { |
| mbed_official | 340:28d1f895c6fe | 522 | /* Initialize the UART State */ |
| mbed_official | 631:825f75ca301e | 523 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 340:28d1f895c6fe | 524 | } |
| mbed_official | 631:825f75ca301e | 525 | |
| mbed_official | 631:825f75ca301e | 526 | /* Process Unlocked */ |
| mbed_official | 631:825f75ca301e | 527 | __HAL_UNLOCK(huart); |
| mbed_official | 631:825f75ca301e | 528 | |
| mbed_official | 631:825f75ca301e | 529 | return status; |
| mbed_official | 340:28d1f895c6fe | 530 | } |
| mbed_official | 340:28d1f895c6fe | 531 | |
| mbed_official | 631:825f75ca301e | 532 | |
| mbed_official | 340:28d1f895c6fe | 533 | /** |
| mbed_official | 631:825f75ca301e | 534 | * @brief Enable UART Stop Mode. |
| mbed_official | 631:825f75ca301e | 535 | * @note The UART is able to wake up the MCU from Stop 1 mode as long as UART clock is HSI or LSE. |
| mbed_official | 631:825f75ca301e | 536 | * @param huart: UART handle. |
| mbed_official | 340:28d1f895c6fe | 537 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 538 | */ |
| mbed_official | 340:28d1f895c6fe | 539 | HAL_StatusTypeDef HAL_UARTEx_EnableStopMode(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 540 | { |
| mbed_official | 340:28d1f895c6fe | 541 | /* Check parameter */ |
| mbed_official | 340:28d1f895c6fe | 542 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 543 | |
| mbed_official | 340:28d1f895c6fe | 544 | /* Process Locked */ |
| mbed_official | 340:28d1f895c6fe | 545 | __HAL_LOCK(huart); |
| mbed_official | 631:825f75ca301e | 546 | |
| mbed_official | 340:28d1f895c6fe | 547 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 631:825f75ca301e | 548 | |
| mbed_official | 631:825f75ca301e | 549 | /* Set UESM bit */ |
| mbed_official | 631:825f75ca301e | 550 | SET_BIT(huart->Instance->CR1, USART_CR1_UESM); |
| mbed_official | 631:825f75ca301e | 551 | |
| mbed_official | 340:28d1f895c6fe | 552 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 631:825f75ca301e | 553 | |
| mbed_official | 340:28d1f895c6fe | 554 | /* Process Unlocked */ |
| mbed_official | 340:28d1f895c6fe | 555 | __HAL_UNLOCK(huart); |
| mbed_official | 631:825f75ca301e | 556 | |
| mbed_official | 631:825f75ca301e | 557 | return HAL_OK; |
| mbed_official | 340:28d1f895c6fe | 558 | } |
| mbed_official | 340:28d1f895c6fe | 559 | |
| mbed_official | 340:28d1f895c6fe | 560 | /** |
| mbed_official | 631:825f75ca301e | 561 | * @brief Disable UART Stop Mode. |
| mbed_official | 631:825f75ca301e | 562 | * @param huart: UART handle. |
| mbed_official | 340:28d1f895c6fe | 563 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 564 | */ |
| mbed_official | 340:28d1f895c6fe | 565 | HAL_StatusTypeDef HAL_UARTEx_DisableStopMode(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 566 | { |
| mbed_official | 340:28d1f895c6fe | 567 | /* Check parameter */ |
| mbed_official | 340:28d1f895c6fe | 568 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 340:28d1f895c6fe | 569 | |
| mbed_official | 340:28d1f895c6fe | 570 | /* Process Locked */ |
| mbed_official | 340:28d1f895c6fe | 571 | __HAL_LOCK(huart); |
| mbed_official | 631:825f75ca301e | 572 | |
| mbed_official | 631:825f75ca301e | 573 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 340:28d1f895c6fe | 574 | |
| mbed_official | 631:825f75ca301e | 575 | /* Clear UESM bit */ |
| mbed_official | 631:825f75ca301e | 576 | CLEAR_BIT(huart->Instance->CR1, USART_CR1_UESM); |
| mbed_official | 631:825f75ca301e | 577 | |
| mbed_official | 340:28d1f895c6fe | 578 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 631:825f75ca301e | 579 | |
| mbed_official | 340:28d1f895c6fe | 580 | /* Process Unlocked */ |
| mbed_official | 340:28d1f895c6fe | 581 | __HAL_UNLOCK(huart); |
| mbed_official | 631:825f75ca301e | 582 | |
| mbed_official | 631:825f75ca301e | 583 | return HAL_OK; |
| mbed_official | 340:28d1f895c6fe | 584 | } |
| mbed_official | 631:825f75ca301e | 585 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
| mbed_official | 340:28d1f895c6fe | 586 | |
| mbed_official | 340:28d1f895c6fe | 587 | /** |
| mbed_official | 631:825f75ca301e | 588 | * @brief By default in multiprocessor mode, when the wake up method is set |
| mbed_official | 631:825f75ca301e | 589 | * to address mark, the UART handles only 4-bit long addresses detection; |
| mbed_official | 631:825f75ca301e | 590 | * this API allows to enable longer addresses detection (6-, 7- or 8-bit |
| mbed_official | 631:825f75ca301e | 591 | * long). |
| mbed_official | 631:825f75ca301e | 592 | * @note Addresses detection lengths are: 6-bit address detection in 7-bit data mode, |
| mbed_official | 631:825f75ca301e | 593 | * 7-bit address detection in 8-bit data mode, 8-bit address detection in 9-bit data mode. |
| mbed_official | 631:825f75ca301e | 594 | * @param huart: UART handle. |
| mbed_official | 340:28d1f895c6fe | 595 | * @param AddressLength: this parameter can be one of the following values: |
| mbed_official | 340:28d1f895c6fe | 596 | * @arg UART_ADDRESS_DETECT_4B: 4-bit long address |
| mbed_official | 631:825f75ca301e | 597 | * @arg UART_ADDRESS_DETECT_7B: 6-, 7- or 8-bit long address |
| mbed_official | 340:28d1f895c6fe | 598 | * @retval HAL status |
| mbed_official | 340:28d1f895c6fe | 599 | */ |
| mbed_official | 340:28d1f895c6fe | 600 | HAL_StatusTypeDef HAL_MultiProcessorEx_AddressLength_Set(UART_HandleTypeDef *huart, uint32_t AddressLength) |
| mbed_official | 340:28d1f895c6fe | 601 | { |
| mbed_official | 340:28d1f895c6fe | 602 | /* Check the UART handle allocation */ |
| mbed_official | 442:d2c15dda23c1 | 603 | if(huart == NULL) |
| mbed_official | 340:28d1f895c6fe | 604 | { |
| mbed_official | 340:28d1f895c6fe | 605 | return HAL_ERROR; |
| mbed_official | 340:28d1f895c6fe | 606 | } |
| mbed_official | 340:28d1f895c6fe | 607 | |
| mbed_official | 340:28d1f895c6fe | 608 | /* Check the address length parameter */ |
| mbed_official | 340:28d1f895c6fe | 609 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(AddressLength)); |
| mbed_official | 631:825f75ca301e | 610 | |
| mbed_official | 340:28d1f895c6fe | 611 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 631:825f75ca301e | 612 | |
| mbed_official | 340:28d1f895c6fe | 613 | /* Disable the Peripheral */ |
| mbed_official | 340:28d1f895c6fe | 614 | __HAL_UART_DISABLE(huart); |
| mbed_official | 631:825f75ca301e | 615 | |
| mbed_official | 340:28d1f895c6fe | 616 | /* Set the address length */ |
| mbed_official | 340:28d1f895c6fe | 617 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, AddressLength); |
| mbed_official | 631:825f75ca301e | 618 | |
| mbed_official | 340:28d1f895c6fe | 619 | /* Enable the Peripheral */ |
| mbed_official | 631:825f75ca301e | 620 | __HAL_UART_ENABLE(huart); |
| mbed_official | 631:825f75ca301e | 621 | |
| mbed_official | 340:28d1f895c6fe | 622 | /* TEACK and/or REACK to check before moving huart->State to Ready */ |
| mbed_official | 340:28d1f895c6fe | 623 | return (UART_CheckIdleState(huart)); |
| mbed_official | 340:28d1f895c6fe | 624 | } |
| mbed_official | 340:28d1f895c6fe | 625 | |
| mbed_official | 340:28d1f895c6fe | 626 | |
| mbed_official | 442:d2c15dda23c1 | 627 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 340:28d1f895c6fe | 628 | /** |
| mbed_official | 631:825f75ca301e | 629 | * @brief Transmit break characters. |
| mbed_official | 631:825f75ca301e | 630 | * @param huart: UART handle. |
| mbed_official | 340:28d1f895c6fe | 631 | * @retval HAL status |
| mbed_official | 442:d2c15dda23c1 | 632 | */ |
| mbed_official | 442:d2c15dda23c1 | 633 | HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart) |
| mbed_official | 340:28d1f895c6fe | 634 | { |
| mbed_official | 442:d2c15dda23c1 | 635 | /* Check the parameters */ |
| mbed_official | 442:d2c15dda23c1 | 636 | assert_param(IS_UART_INSTANCE(huart->Instance)); |
| mbed_official | 631:825f75ca301e | 637 | |
| mbed_official | 442:d2c15dda23c1 | 638 | /* Process Locked */ |
| mbed_official | 442:d2c15dda23c1 | 639 | __HAL_LOCK(huart); |
| mbed_official | 631:825f75ca301e | 640 | |
| mbed_official | 442:d2c15dda23c1 | 641 | huart->State = HAL_UART_STATE_BUSY; |
| mbed_official | 631:825f75ca301e | 642 | |
| mbed_official | 442:d2c15dda23c1 | 643 | /* Send break characters */ |
| mbed_official | 631:825f75ca301e | 644 | huart->Instance->RQR |= UART_SENDBREAK_REQUEST; |
| mbed_official | 631:825f75ca301e | 645 | |
| mbed_official | 442:d2c15dda23c1 | 646 | huart->State = HAL_UART_STATE_READY; |
| mbed_official | 631:825f75ca301e | 647 | |
| mbed_official | 442:d2c15dda23c1 | 648 | /* Process Unlocked */ |
| mbed_official | 442:d2c15dda23c1 | 649 | __HAL_UNLOCK(huart); |
| mbed_official | 631:825f75ca301e | 650 | |
| mbed_official | 631:825f75ca301e | 651 | return HAL_OK; |
| mbed_official | 442:d2c15dda23c1 | 652 | } |
| mbed_official | 442:d2c15dda23c1 | 653 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
| mbed_official | 340:28d1f895c6fe | 654 | |
| mbed_official | 340:28d1f895c6fe | 655 | /** |
| mbed_official | 340:28d1f895c6fe | 656 | * @} |
| mbed_official | 340:28d1f895c6fe | 657 | */ |
| mbed_official | 340:28d1f895c6fe | 658 | |
| mbed_official | 340:28d1f895c6fe | 659 | /** |
| mbed_official | 340:28d1f895c6fe | 660 | * @} |
| mbed_official | 631:825f75ca301e | 661 | */ |
| mbed_official | 340:28d1f895c6fe | 662 | |
| mbed_official | 340:28d1f895c6fe | 663 | /** @addtogroup UARTEx_Private_Functions |
| mbed_official | 340:28d1f895c6fe | 664 | * @{ |
| mbed_official | 340:28d1f895c6fe | 665 | */ |
| mbed_official | 340:28d1f895c6fe | 666 | |
| mbed_official | 442:d2c15dda23c1 | 667 | #if !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) |
| mbed_official | 442:d2c15dda23c1 | 668 | /** |
| mbed_official | 631:825f75ca301e | 669 | * @brief Initialize the UART wake-up from stop mode parameters when triggered by address detection. |
| mbed_official | 631:825f75ca301e | 670 | * @param huart: UART handle. |
| mbed_official | 631:825f75ca301e | 671 | * @param WakeUpSelection: UART wake up from stop mode parameters. |
| mbed_official | 631:825f75ca301e | 672 | * @retval None |
| mbed_official | 631:825f75ca301e | 673 | */ |
| mbed_official | 631:825f75ca301e | 674 | static void UARTEx_Wakeup_AddressConfig(UART_HandleTypeDef *huart, UART_WakeUpTypeDef WakeUpSelection) |
| mbed_official | 442:d2c15dda23c1 | 675 | { |
| mbed_official | 442:d2c15dda23c1 | 676 | /* Check parmeters */ |
| mbed_official | 442:d2c15dda23c1 | 677 | assert_param(IS_UART_WAKEUP_INSTANCE(huart->Instance)); |
| mbed_official | 442:d2c15dda23c1 | 678 | assert_param(IS_UART_ADDRESSLENGTH_DETECT(WakeUpSelection.AddressLength)); |
| mbed_official | 442:d2c15dda23c1 | 679 | |
| mbed_official | 442:d2c15dda23c1 | 680 | /* Set the USART address length */ |
| mbed_official | 442:d2c15dda23c1 | 681 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADDM7, WakeUpSelection.AddressLength); |
| mbed_official | 442:d2c15dda23c1 | 682 | |
| mbed_official | 442:d2c15dda23c1 | 683 | /* Set the USART address node */ |
| mbed_official | 442:d2c15dda23c1 | 684 | MODIFY_REG(huart->Instance->CR2, USART_CR2_ADD, ((uint32_t)WakeUpSelection.Address << UART_CR2_ADDRESS_LSB_POS)); |
| mbed_official | 442:d2c15dda23c1 | 685 | } |
| mbed_official | 442:d2c15dda23c1 | 686 | #endif /* !defined(STM32F030x6) && !defined(STM32F030x8)&& !defined(STM32F070xB)&& !defined(STM32F070x6)&& !defined(STM32F030xC) */ |
| mbed_official | 442:d2c15dda23c1 | 687 | |
| mbed_official | 340:28d1f895c6fe | 688 | /** |
| mbed_official | 340:28d1f895c6fe | 689 | * @} |
| mbed_official | 340:28d1f895c6fe | 690 | */ |
| mbed_official | 340:28d1f895c6fe | 691 | |
| mbed_official | 340:28d1f895c6fe | 692 | #endif /* HAL_UART_MODULE_ENABLED */ |
| mbed_official | 340:28d1f895c6fe | 693 | |
| mbed_official | 340:28d1f895c6fe | 694 | /** |
| mbed_official | 340:28d1f895c6fe | 695 | * @} |
| mbed_official | 340:28d1f895c6fe | 696 | */ |
| mbed_official | 340:28d1f895c6fe | 697 | |
| mbed_official | 340:28d1f895c6fe | 698 | /** |
| mbed_official | 340:28d1f895c6fe | 699 | * @} |
| mbed_official | 340:28d1f895c6fe | 700 | */ |
| mbed_official | 340:28d1f895c6fe | 701 | |
| mbed_official | 340:28d1f895c6fe | 702 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |