The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Dependents: hello SerialTestv11 SerialTestv12 Sierpinski ... more
mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
TARGET_NUCLEO_L053R8/TOOLCHAIN_ARM_MICRO/stm32l0xx_hal_usart_ex.h@172:65be27845400, 2019-02-20 (annotated)
- Committer:
- AnnaBridge
- Date:
- Wed Feb 20 20:53:29 2019 +0000
- Revision:
- 172:65be27845400
- Parent:
- 171:3a7713b1edbc
mbed library release version 165
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AnnaBridge | 157:e7ca05fa8600 | 1 | /** |
AnnaBridge | 157:e7ca05fa8600 | 2 | ****************************************************************************** |
AnnaBridge | 157:e7ca05fa8600 | 3 | * @file stm32l0xx_hal_usart_ex.h |
AnnaBridge | 157:e7ca05fa8600 | 4 | * @author MCD Application Team |
AnnaBridge | 167:84c0a372a020 | 5 | * @brief Header file of USART HAL Extended module. |
AnnaBridge | 157:e7ca05fa8600 | 6 | ****************************************************************************** |
AnnaBridge | 157:e7ca05fa8600 | 7 | * @attention |
AnnaBridge | 167:84c0a372a020 | 8 | * |
AnnaBridge | 157:e7ca05fa8600 | 9 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
AnnaBridge | 157:e7ca05fa8600 | 10 | * |
AnnaBridge | 157:e7ca05fa8600 | 11 | * Redistribution and use in source and binary forms, with or without modification, |
AnnaBridge | 157:e7ca05fa8600 | 12 | * are permitted provided that the following conditions are met: |
AnnaBridge | 157:e7ca05fa8600 | 13 | * 1. Redistributions of source code must retain the above copyright notice, |
AnnaBridge | 157:e7ca05fa8600 | 14 | * this list of conditions and the following disclaimer. |
AnnaBridge | 157:e7ca05fa8600 | 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
AnnaBridge | 157:e7ca05fa8600 | 16 | * this list of conditions and the following disclaimer in the documentation |
AnnaBridge | 157:e7ca05fa8600 | 17 | * and/or other materials provided with the distribution. |
AnnaBridge | 157:e7ca05fa8600 | 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
AnnaBridge | 157:e7ca05fa8600 | 19 | * may be used to endorse or promote products derived from this software |
AnnaBridge | 157:e7ca05fa8600 | 20 | * without specific prior written permission. |
AnnaBridge | 157:e7ca05fa8600 | 21 | * |
AnnaBridge | 157:e7ca05fa8600 | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
AnnaBridge | 157:e7ca05fa8600 | 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
AnnaBridge | 157:e7ca05fa8600 | 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AnnaBridge | 157:e7ca05fa8600 | 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
AnnaBridge | 157:e7ca05fa8600 | 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
AnnaBridge | 157:e7ca05fa8600 | 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
AnnaBridge | 157:e7ca05fa8600 | 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
AnnaBridge | 157:e7ca05fa8600 | 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
AnnaBridge | 157:e7ca05fa8600 | 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
AnnaBridge | 157:e7ca05fa8600 | 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AnnaBridge | 157:e7ca05fa8600 | 32 | * |
AnnaBridge | 167:84c0a372a020 | 33 | ****************************************************************************** |
AnnaBridge | 157:e7ca05fa8600 | 34 | */ |
AnnaBridge | 157:e7ca05fa8600 | 35 | |
AnnaBridge | 157:e7ca05fa8600 | 36 | /* Define to prevent recursive inclusion -------------------------------------*/ |
AnnaBridge | 157:e7ca05fa8600 | 37 | #ifndef __STM32L0xx_HAL_USART_EX_H |
AnnaBridge | 157:e7ca05fa8600 | 38 | #define __STM32L0xx_HAL_USART_EX_H |
AnnaBridge | 157:e7ca05fa8600 | 39 | |
AnnaBridge | 157:e7ca05fa8600 | 40 | #ifdef __cplusplus |
AnnaBridge | 157:e7ca05fa8600 | 41 | extern "C" { |
AnnaBridge | 157:e7ca05fa8600 | 42 | #endif |
AnnaBridge | 157:e7ca05fa8600 | 43 | |
AnnaBridge | 157:e7ca05fa8600 | 44 | /* Includes ------------------------------------------------------------------*/ |
AnnaBridge | 157:e7ca05fa8600 | 45 | #include "stm32l0xx_hal_def.h" |
AnnaBridge | 157:e7ca05fa8600 | 46 | |
AnnaBridge | 157:e7ca05fa8600 | 47 | /** @addtogroup STM32L0xx_HAL_Driver |
AnnaBridge | 157:e7ca05fa8600 | 48 | * @{ |
AnnaBridge | 157:e7ca05fa8600 | 49 | */ |
AnnaBridge | 167:84c0a372a020 | 50 | |
AnnaBridge | 167:84c0a372a020 | 51 | /** @addtogroup USARTEx |
AnnaBridge | 157:e7ca05fa8600 | 52 | * @{ |
AnnaBridge | 157:e7ca05fa8600 | 53 | */ |
AnnaBridge | 157:e7ca05fa8600 | 54 | |
AnnaBridge | 157:e7ca05fa8600 | 55 | /* Exported types ------------------------------------------------------------*/ |
AnnaBridge | 157:e7ca05fa8600 | 56 | /* Exported constants --------------------------------------------------------*/ |
AnnaBridge | 157:e7ca05fa8600 | 57 | /** @defgroup USARTEx_Exported_Constants USARTEx Exported Constants |
AnnaBridge | 157:e7ca05fa8600 | 58 | * @{ |
AnnaBridge | 157:e7ca05fa8600 | 59 | */ |
AnnaBridge | 157:e7ca05fa8600 | 60 | |
AnnaBridge | 167:84c0a372a020 | 61 | /** @defgroup USARTEx_Word_Length USARTEx Word Length |
AnnaBridge | 157:e7ca05fa8600 | 62 | * @{ |
AnnaBridge | 157:e7ca05fa8600 | 63 | */ |
AnnaBridge | 167:84c0a372a020 | 64 | #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M1) /*!< 7-bit long USART frame */ |
AnnaBridge | 167:84c0a372a020 | 65 | #define USART_WORDLENGTH_8B ((uint32_t)0x00000000U) /*!< 8-bit long USART frame */ |
AnnaBridge | 167:84c0a372a020 | 66 | #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M0) /*!< 9-bit long USART frame */ |
AnnaBridge | 157:e7ca05fa8600 | 67 | /** |
AnnaBridge | 157:e7ca05fa8600 | 68 | * @} |
AnnaBridge | 167:84c0a372a020 | 69 | */ |
AnnaBridge | 167:84c0a372a020 | 70 | |
AnnaBridge | 157:e7ca05fa8600 | 71 | /** |
AnnaBridge | 157:e7ca05fa8600 | 72 | * @} |
AnnaBridge | 167:84c0a372a020 | 73 | */ |
AnnaBridge | 157:e7ca05fa8600 | 74 | |
AnnaBridge | 167:84c0a372a020 | 75 | /* Exported functions --------------------------------------------------------*/ |
AnnaBridge | 167:84c0a372a020 | 76 | |
AnnaBridge | 167:84c0a372a020 | 77 | /* Private macros ------------------------------------------------------------*/ |
AnnaBridge | 167:84c0a372a020 | 78 | /** @defgroup USARTEx_Private_Macros USARTEx Private Macros |
AnnaBridge | 157:e7ca05fa8600 | 79 | * @{ |
AnnaBridge | 157:e7ca05fa8600 | 80 | */ |
AnnaBridge | 157:e7ca05fa8600 | 81 | |
AnnaBridge | 167:84c0a372a020 | 82 | /** @brief Report the USART clock source. |
AnnaBridge | 167:84c0a372a020 | 83 | * @param __HANDLE__: specifies the USART Handle. |
AnnaBridge | 167:84c0a372a020 | 84 | * @param __CLOCKSOURCE__: output variable. |
AnnaBridge | 157:e7ca05fa8600 | 85 | * @retval the USART clocking source, written in __CLOCKSOURCE__. |
AnnaBridge | 157:e7ca05fa8600 | 86 | */ |
AnnaBridge | 167:84c0a372a020 | 87 | #if defined (STM32L051xx) || defined (STM32L052xx) || defined (STM32L053xx) || defined (STM32L061xx) || defined (STM32L062xx) || defined (STM32L063xx) |
AnnaBridge | 157:e7ca05fa8600 | 88 | |
AnnaBridge | 157:e7ca05fa8600 | 89 | #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ |
AnnaBridge | 157:e7ca05fa8600 | 90 | do { \ |
AnnaBridge | 157:e7ca05fa8600 | 91 | if((__HANDLE__)->Instance == USART1) \ |
AnnaBridge | 157:e7ca05fa8600 | 92 | { \ |
AnnaBridge | 167:84c0a372a020 | 93 | switch(__HAL_RCC_GET_USART1_SOURCE()) \ |
AnnaBridge | 157:e7ca05fa8600 | 94 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 95 | case RCC_USART1CLKSOURCE_PCLK2: \ |
AnnaBridge | 157:e7ca05fa8600 | 96 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \ |
AnnaBridge | 157:e7ca05fa8600 | 97 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 98 | case RCC_USART1CLKSOURCE_HSI: \ |
AnnaBridge | 157:e7ca05fa8600 | 99 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ |
AnnaBridge | 157:e7ca05fa8600 | 100 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 101 | case RCC_USART1CLKSOURCE_SYSCLK: \ |
AnnaBridge | 157:e7ca05fa8600 | 102 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ |
AnnaBridge | 157:e7ca05fa8600 | 103 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 104 | case RCC_USART1CLKSOURCE_LSE: \ |
AnnaBridge | 157:e7ca05fa8600 | 105 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ |
AnnaBridge | 157:e7ca05fa8600 | 106 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 107 | default: \ |
AnnaBridge | 167:84c0a372a020 | 108 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ |
AnnaBridge | 157:e7ca05fa8600 | 109 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 110 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 111 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 112 | else if((__HANDLE__)->Instance == USART2) \ |
AnnaBridge | 157:e7ca05fa8600 | 113 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 114 | switch(__HAL_RCC_GET_USART2_SOURCE()) \ |
AnnaBridge | 157:e7ca05fa8600 | 115 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 116 | case RCC_USART2CLKSOURCE_PCLK1: \ |
AnnaBridge | 157:e7ca05fa8600 | 117 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ |
AnnaBridge | 157:e7ca05fa8600 | 118 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 119 | case RCC_USART2CLKSOURCE_HSI: \ |
AnnaBridge | 157:e7ca05fa8600 | 120 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ |
AnnaBridge | 157:e7ca05fa8600 | 121 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 122 | case RCC_USART2CLKSOURCE_SYSCLK: \ |
AnnaBridge | 157:e7ca05fa8600 | 123 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ |
AnnaBridge | 157:e7ca05fa8600 | 124 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 125 | case RCC_USART2CLKSOURCE_LSE: \ |
AnnaBridge | 157:e7ca05fa8600 | 126 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ |
AnnaBridge | 157:e7ca05fa8600 | 127 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 128 | default: \ |
AnnaBridge | 167:84c0a372a020 | 129 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ |
AnnaBridge | 157:e7ca05fa8600 | 130 | break; \ |
AnnaBridge | 157:e7ca05fa8600 | 131 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 132 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 133 | } while(0) |
AnnaBridge | 167:84c0a372a020 | 134 | |
AnnaBridge | 167:84c0a372a020 | 135 | #elif defined(STM32L071xx) || defined (STM32L081xx) || defined(STM32L072xx) || defined (STM32L082xx) || defined(STM32L073xx) || defined (STM32L083xx) |
AnnaBridge | 157:e7ca05fa8600 | 136 | |
AnnaBridge | 167:84c0a372a020 | 137 | #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ |
AnnaBridge | 167:84c0a372a020 | 138 | do { \ |
AnnaBridge | 167:84c0a372a020 | 139 | if((__HANDLE__)->Instance == USART1) \ |
AnnaBridge | 167:84c0a372a020 | 140 | { \ |
AnnaBridge | 167:84c0a372a020 | 141 | switch(__HAL_RCC_GET_USART1_SOURCE()) \ |
AnnaBridge | 167:84c0a372a020 | 142 | { \ |
AnnaBridge | 167:84c0a372a020 | 143 | case RCC_USART1CLKSOURCE_PCLK2: \ |
AnnaBridge | 167:84c0a372a020 | 144 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \ |
AnnaBridge | 167:84c0a372a020 | 145 | break; \ |
AnnaBridge | 167:84c0a372a020 | 146 | case RCC_USART1CLKSOURCE_HSI: \ |
AnnaBridge | 167:84c0a372a020 | 147 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ |
AnnaBridge | 167:84c0a372a020 | 148 | break; \ |
AnnaBridge | 167:84c0a372a020 | 149 | case RCC_USART1CLKSOURCE_SYSCLK: \ |
AnnaBridge | 167:84c0a372a020 | 150 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ |
AnnaBridge | 167:84c0a372a020 | 151 | break; \ |
AnnaBridge | 167:84c0a372a020 | 152 | case RCC_USART1CLKSOURCE_LSE: \ |
AnnaBridge | 167:84c0a372a020 | 153 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ |
AnnaBridge | 167:84c0a372a020 | 154 | break; \ |
AnnaBridge | 167:84c0a372a020 | 155 | default: \ |
AnnaBridge | 167:84c0a372a020 | 156 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ |
AnnaBridge | 167:84c0a372a020 | 157 | break; \ |
AnnaBridge | 167:84c0a372a020 | 158 | } \ |
AnnaBridge | 167:84c0a372a020 | 159 | } \ |
AnnaBridge | 167:84c0a372a020 | 160 | else if((__HANDLE__)->Instance == USART2) \ |
AnnaBridge | 167:84c0a372a020 | 161 | { \ |
AnnaBridge | 167:84c0a372a020 | 162 | switch(__HAL_RCC_GET_USART2_SOURCE()) \ |
AnnaBridge | 167:84c0a372a020 | 163 | { \ |
AnnaBridge | 167:84c0a372a020 | 164 | case RCC_USART2CLKSOURCE_PCLK1: \ |
AnnaBridge | 167:84c0a372a020 | 165 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ |
AnnaBridge | 167:84c0a372a020 | 166 | break; \ |
AnnaBridge | 167:84c0a372a020 | 167 | case RCC_USART2CLKSOURCE_HSI: \ |
AnnaBridge | 167:84c0a372a020 | 168 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ |
AnnaBridge | 167:84c0a372a020 | 169 | break; \ |
AnnaBridge | 167:84c0a372a020 | 170 | case RCC_USART2CLKSOURCE_SYSCLK: \ |
AnnaBridge | 167:84c0a372a020 | 171 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ |
AnnaBridge | 167:84c0a372a020 | 172 | break; \ |
AnnaBridge | 167:84c0a372a020 | 173 | case RCC_USART2CLKSOURCE_LSE: \ |
AnnaBridge | 167:84c0a372a020 | 174 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ |
AnnaBridge | 167:84c0a372a020 | 175 | break; \ |
AnnaBridge | 167:84c0a372a020 | 176 | default: \ |
AnnaBridge | 167:84c0a372a020 | 177 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ |
AnnaBridge | 167:84c0a372a020 | 178 | break; \ |
AnnaBridge | 167:84c0a372a020 | 179 | } \ |
AnnaBridge | 167:84c0a372a020 | 180 | } \ |
AnnaBridge | 167:84c0a372a020 | 181 | else if((__HANDLE__)->Instance == USART4) \ |
AnnaBridge | 167:84c0a372a020 | 182 | { \ |
AnnaBridge | 167:84c0a372a020 | 183 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ |
AnnaBridge | 167:84c0a372a020 | 184 | } \ |
AnnaBridge | 167:84c0a372a020 | 185 | else if((__HANDLE__)->Instance == USART5) \ |
AnnaBridge | 167:84c0a372a020 | 186 | { \ |
AnnaBridge | 167:84c0a372a020 | 187 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ |
AnnaBridge | 167:84c0a372a020 | 188 | } \ |
AnnaBridge | 167:84c0a372a020 | 189 | } while(0) |
AnnaBridge | 167:84c0a372a020 | 190 | |
AnnaBridge | 167:84c0a372a020 | 191 | #else |
AnnaBridge | 167:84c0a372a020 | 192 | |
AnnaBridge | 167:84c0a372a020 | 193 | #define USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ |
AnnaBridge | 167:84c0a372a020 | 194 | do { \ |
AnnaBridge | 167:84c0a372a020 | 195 | if((__HANDLE__)->Instance == USART2) \ |
AnnaBridge | 167:84c0a372a020 | 196 | { \ |
AnnaBridge | 167:84c0a372a020 | 197 | switch(__HAL_RCC_GET_USART2_SOURCE()) \ |
AnnaBridge | 167:84c0a372a020 | 198 | { \ |
AnnaBridge | 167:84c0a372a020 | 199 | case RCC_USART2CLKSOURCE_PCLK1: \ |
AnnaBridge | 167:84c0a372a020 | 200 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \ |
AnnaBridge | 167:84c0a372a020 | 201 | break; \ |
AnnaBridge | 167:84c0a372a020 | 202 | case RCC_USART2CLKSOURCE_HSI: \ |
AnnaBridge | 167:84c0a372a020 | 203 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \ |
AnnaBridge | 167:84c0a372a020 | 204 | break; \ |
AnnaBridge | 167:84c0a372a020 | 205 | case RCC_USART2CLKSOURCE_SYSCLK: \ |
AnnaBridge | 167:84c0a372a020 | 206 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \ |
AnnaBridge | 167:84c0a372a020 | 207 | break; \ |
AnnaBridge | 167:84c0a372a020 | 208 | case RCC_USART2CLKSOURCE_LSE: \ |
AnnaBridge | 167:84c0a372a020 | 209 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \ |
AnnaBridge | 167:84c0a372a020 | 210 | break; \ |
AnnaBridge | 167:84c0a372a020 | 211 | default: \ |
AnnaBridge | 167:84c0a372a020 | 212 | (__CLOCKSOURCE__) = USART_CLOCKSOURCE_UNDEFINED; \ |
AnnaBridge | 167:84c0a372a020 | 213 | break; \ |
AnnaBridge | 167:84c0a372a020 | 214 | } \ |
AnnaBridge | 167:84c0a372a020 | 215 | } \ |
AnnaBridge | 167:84c0a372a020 | 216 | } while(0) |
AnnaBridge | 167:84c0a372a020 | 217 | |
AnnaBridge | 167:84c0a372a020 | 218 | #endif |
AnnaBridge | 167:84c0a372a020 | 219 | |
AnnaBridge | 167:84c0a372a020 | 220 | /** @brief Compute the USART mask to apply to retrieve the received data |
AnnaBridge | 157:e7ca05fa8600 | 221 | * according to the word length and to the parity bits activation. |
AnnaBridge | 167:84c0a372a020 | 222 | * @note If PCE = 1, the parity bit is not included in the data extracted |
AnnaBridge | 157:e7ca05fa8600 | 223 | * by the reception API(). |
AnnaBridge | 157:e7ca05fa8600 | 224 | * This masking operation is not carried out in the case of |
AnnaBridge | 167:84c0a372a020 | 225 | * DMA transfers. |
AnnaBridge | 167:84c0a372a020 | 226 | * @param __HANDLE__: specifies the USART Handle. |
AnnaBridge | 167:84c0a372a020 | 227 | * @retval None, the mask to apply to USART RDR register is stored in (__HANDLE__)->Mask field. |
AnnaBridge | 167:84c0a372a020 | 228 | */ |
AnnaBridge | 167:84c0a372a020 | 229 | #define USART_MASK_COMPUTATION(__HANDLE__) \ |
AnnaBridge | 157:e7ca05fa8600 | 230 | do { \ |
AnnaBridge | 157:e7ca05fa8600 | 231 | if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \ |
AnnaBridge | 157:e7ca05fa8600 | 232 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 233 | if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ |
AnnaBridge | 157:e7ca05fa8600 | 234 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 235 | (__HANDLE__)->Mask = 0x01FF ; \ |
AnnaBridge | 157:e7ca05fa8600 | 236 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 237 | else \ |
AnnaBridge | 157:e7ca05fa8600 | 238 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 239 | (__HANDLE__)->Mask = 0x00FF ; \ |
AnnaBridge | 157:e7ca05fa8600 | 240 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 241 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 242 | else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \ |
AnnaBridge | 157:e7ca05fa8600 | 243 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 244 | if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ |
AnnaBridge | 157:e7ca05fa8600 | 245 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 246 | (__HANDLE__)->Mask = 0x00FF ; \ |
AnnaBridge | 157:e7ca05fa8600 | 247 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 248 | else \ |
AnnaBridge | 157:e7ca05fa8600 | 249 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 250 | (__HANDLE__)->Mask = 0x007F ; \ |
AnnaBridge | 157:e7ca05fa8600 | 251 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 252 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 253 | else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \ |
AnnaBridge | 157:e7ca05fa8600 | 254 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 255 | if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \ |
AnnaBridge | 157:e7ca05fa8600 | 256 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 257 | (__HANDLE__)->Mask = 0x007F ; \ |
AnnaBridge | 157:e7ca05fa8600 | 258 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 259 | else \ |
AnnaBridge | 157:e7ca05fa8600 | 260 | { \ |
AnnaBridge | 157:e7ca05fa8600 | 261 | (__HANDLE__)->Mask = 0x003F ; \ |
AnnaBridge | 157:e7ca05fa8600 | 262 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 263 | } \ |
AnnaBridge | 157:e7ca05fa8600 | 264 | } while(0) |
AnnaBridge | 157:e7ca05fa8600 | 265 | |
AnnaBridge | 167:84c0a372a020 | 266 | |
AnnaBridge | 157:e7ca05fa8600 | 267 | /** |
AnnaBridge | 167:84c0a372a020 | 268 | * @brief Ensure that USART frame length is valid. |
AnnaBridge | 167:84c0a372a020 | 269 | * @param __LENGTH__: USART frame length. |
AnnaBridge | 167:84c0a372a020 | 270 | * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) |
AnnaBridge | 167:84c0a372a020 | 271 | */ |
AnnaBridge | 167:84c0a372a020 | 272 | #define IS_USART_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == USART_WORDLENGTH_7B) || \ |
AnnaBridge | 167:84c0a372a020 | 273 | ((__LENGTH__) == USART_WORDLENGTH_8B) || \ |
AnnaBridge | 167:84c0a372a020 | 274 | ((__LENGTH__) == USART_WORDLENGTH_9B)) |
AnnaBridge | 157:e7ca05fa8600 | 275 | |
AnnaBridge | 157:e7ca05fa8600 | 276 | /** |
AnnaBridge | 157:e7ca05fa8600 | 277 | * @} |
AnnaBridge | 167:84c0a372a020 | 278 | */ |
AnnaBridge | 167:84c0a372a020 | 279 | |
AnnaBridge | 167:84c0a372a020 | 280 | /* Exported functions --------------------------------------------------------*/ |
AnnaBridge | 157:e7ca05fa8600 | 281 | |
AnnaBridge | 157:e7ca05fa8600 | 282 | /** |
AnnaBridge | 157:e7ca05fa8600 | 283 | * @} |
AnnaBridge | 167:84c0a372a020 | 284 | */ |
AnnaBridge | 167:84c0a372a020 | 285 | |
AnnaBridge | 167:84c0a372a020 | 286 | /** |
AnnaBridge | 167:84c0a372a020 | 287 | * @} |
AnnaBridge | 167:84c0a372a020 | 288 | */ |
AnnaBridge | 167:84c0a372a020 | 289 | |
AnnaBridge | 157:e7ca05fa8600 | 290 | #ifdef __cplusplus |
AnnaBridge | 157:e7ca05fa8600 | 291 | } |
AnnaBridge | 157:e7ca05fa8600 | 292 | #endif |
AnnaBridge | 157:e7ca05fa8600 | 293 | |
AnnaBridge | 157:e7ca05fa8600 | 294 | #endif /* __STM32L0xx_HAL_USART_EX_H */ |
AnnaBridge | 157:e7ca05fa8600 | 295 | |
AnnaBridge | 157:e7ca05fa8600 | 296 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
AnnaBridge | 157:e7ca05fa8600 | 297 |