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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_usart_ex.h@382:ee426a420dbb, 2014-11-03 (annotated)

Committer:
mbed_official
Date:
Mon Nov 03 10:45:07 2014 +0000
Revision:
382:ee426a420dbb
Parent:
targets/cmsis/TARGET_STM/TARGET_DISCO_L053C8/stm32l0xx_hal_usart_ex.h@376:cb4d9db17537
Child:
489:119543c9f674
Synchronized with git revision d54467eb07f62efd9ccdf44f1ede7fe1c1b0cf83



Full URL: https://github.com/mbedmicro/mbed/commit/d54467eb07f62efd9ccdf44f1ede7fe1c1b0cf83/

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 376:cb4d9db17537 1 /**
mbed_official 376:cb4d9db17537 2 ******************************************************************************
mbed_official 376:cb4d9db17537 3 * @file stm32l0xx_hal_usart_ex.h
mbed_official 376:cb4d9db17537 4 * @author MCD Application Team
mbed_official 376:cb4d9db17537 5 * @version V1.1.0
mbed_official 376:cb4d9db17537 6 * @date 18-June-2014
mbed_official 376:cb4d9db17537 7 * @brief Header file of USART HAL Extension module.
mbed_official 376:cb4d9db17537 8 ******************************************************************************
mbed_official 376:cb4d9db17537 9 * @attention
mbed_official 376:cb4d9db17537 10 *
mbed_official 376:cb4d9db17537 11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 376:cb4d9db17537 12 *
mbed_official 376:cb4d9db17537 13 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 376:cb4d9db17537 14 * are permitted provided that the following conditions are met:
mbed_official 376:cb4d9db17537 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 376:cb4d9db17537 16 * this list of conditions and the following disclaimer.
mbed_official 376:cb4d9db17537 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 376:cb4d9db17537 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 376:cb4d9db17537 19 * and/or other materials provided with the distribution.
mbed_official 376:cb4d9db17537 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 376:cb4d9db17537 21 * may be used to endorse or promote products derived from this software
mbed_official 376:cb4d9db17537 22 * without specific prior written permission.
mbed_official 376:cb4d9db17537 23 *
mbed_official 376:cb4d9db17537 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 376:cb4d9db17537 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 376:cb4d9db17537 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 376:cb4d9db17537 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 376:cb4d9db17537 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 376:cb4d9db17537 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 376:cb4d9db17537 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 376:cb4d9db17537 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 376:cb4d9db17537 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 376:cb4d9db17537 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 376:cb4d9db17537 34 *
mbed_official 376:cb4d9db17537 35 ******************************************************************************
mbed_official 376:cb4d9db17537 36 */
mbed_official 376:cb4d9db17537 37
mbed_official 376:cb4d9db17537 38 /* Define to prevent recursive inclusion -------------------------------------*/
mbed_official 376:cb4d9db17537 39 #ifndef __STM32L0xx_HAL_USART_EX_H
mbed_official 376:cb4d9db17537 40 #define __STM32L0xx_HAL_USART_EX_H
mbed_official 376:cb4d9db17537 41
mbed_official 376:cb4d9db17537 42 #ifdef __cplusplus
mbed_official 376:cb4d9db17537 43 extern "C" {
mbed_official 376:cb4d9db17537 44 #endif
mbed_official 376:cb4d9db17537 45
mbed_official 376:cb4d9db17537 46 /* Includes ------------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 47 #include "stm32l0xx_hal_def.h"
mbed_official 376:cb4d9db17537 48
mbed_official 376:cb4d9db17537 49 /** @addtogroup STM32L0xx_HAL_Driver
mbed_official 376:cb4d9db17537 50 * @{
mbed_official 376:cb4d9db17537 51 */
mbed_official 376:cb4d9db17537 52
mbed_official 376:cb4d9db17537 53 /** @addtogroup USARTEx
mbed_official 376:cb4d9db17537 54 * @{
mbed_official 376:cb4d9db17537 55 */
mbed_official 376:cb4d9db17537 56
mbed_official 376:cb4d9db17537 57 /* Exported types ------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 58 /* Exported constants --------------------------------------------------------*/
mbed_official 376:cb4d9db17537 59 /** @defgroup USARTEx_Exported_Constants
mbed_official 376:cb4d9db17537 60 * @{
mbed_official 376:cb4d9db17537 61 */
mbed_official 376:cb4d9db17537 62
mbed_official 376:cb4d9db17537 63 /** @defgroup USARTEx_Word_Length
mbed_official 376:cb4d9db17537 64 * @{
mbed_official 376:cb4d9db17537 65 */
mbed_official 376:cb4d9db17537 66 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1)
mbed_official 376:cb4d9db17537 67 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
mbed_official 376:cb4d9db17537 68 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0)
mbed_official 376:cb4d9db17537 69 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_7B) || \
mbed_official 376:cb4d9db17537 70 ((LENGTH) == USART_WORDLENGTH_8B) || \
mbed_official 376:cb4d9db17537 71 ((LENGTH) == USART_WORDLENGTH_9B))
mbed_official 376:cb4d9db17537 72 /**
mbed_official 376:cb4d9db17537 73 * @}
mbed_official 376:cb4d9db17537 74 */
mbed_official 376:cb4d9db17537 75
mbed_official 376:cb4d9db17537 76 /**
mbed_official 376:cb4d9db17537 77 * @}
mbed_official 376:cb4d9db17537 78 */
mbed_official 376:cb4d9db17537 79 /* Exported macro ------------------------------------------------------------*/
mbed_official 376:cb4d9db17537 80
mbed_official 376:cb4d9db17537 81 /** @defgroup USARTEx_Extended_Exported_Macros
mbed_official 376:cb4d9db17537 82 * @{
mbed_official 376:cb4d9db17537 83 */
mbed_official 376:cb4d9db17537 84
mbed_official 376:cb4d9db17537 85 /** @brief Reports the USART clock source.
mbed_official 376:cb4d9db17537 86 * @param __HANDLE__: specifies the USART Handle
mbed_official 376:cb4d9db17537 87 * @param __CLOCKSOURCE__ : output variable
mbed_official 376:cb4d9db17537 88 * @retval the USART clocking source, written in __CLOCKSOURCE__.
mbed_official 376:cb4d9db17537 89 */
mbed_official 376:cb4d9db17537 90 #define __HAL_USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
mbed_official 376:cb4d9db17537 91 do { \
mbed_official 376:cb4d9db17537 92 if((__HANDLE__)->Instance == USART1) \
mbed_official 376:cb4d9db17537 93 { \
mbed_official 376:cb4d9db17537 94 switch(__HAL_RCC_GET_USART1_SOURCE()) \
mbed_official 376:cb4d9db17537 95 { \
mbed_official 376:cb4d9db17537 96 case RCC_USART1CLKSOURCE_PCLK2: \
mbed_official 376:cb4d9db17537 97 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
mbed_official 376:cb4d9db17537 98 break; \
mbed_official 376:cb4d9db17537 99 case RCC_USART1CLKSOURCE_HSI: \
mbed_official 376:cb4d9db17537 100 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
mbed_official 376:cb4d9db17537 101 break; \
mbed_official 376:cb4d9db17537 102 case RCC_USART1CLKSOURCE_SYSCLK: \
mbed_official 376:cb4d9db17537 103 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
mbed_official 376:cb4d9db17537 104 break; \
mbed_official 376:cb4d9db17537 105 case RCC_USART1CLKSOURCE_LSE: \
mbed_official 376:cb4d9db17537 106 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
mbed_official 376:cb4d9db17537 107 break; \
mbed_official 376:cb4d9db17537 108 default: \
mbed_official 376:cb4d9db17537 109 break; \
mbed_official 376:cb4d9db17537 110 } \
mbed_official 376:cb4d9db17537 111 } \
mbed_official 376:cb4d9db17537 112 else if((__HANDLE__)->Instance == USART2) \
mbed_official 376:cb4d9db17537 113 { \
mbed_official 376:cb4d9db17537 114 switch(__HAL_RCC_GET_USART2_SOURCE()) \
mbed_official 376:cb4d9db17537 115 { \
mbed_official 376:cb4d9db17537 116 case RCC_USART2CLKSOURCE_PCLK1: \
mbed_official 376:cb4d9db17537 117 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
mbed_official 376:cb4d9db17537 118 break; \
mbed_official 376:cb4d9db17537 119 case RCC_USART2CLKSOURCE_HSI: \
mbed_official 376:cb4d9db17537 120 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
mbed_official 376:cb4d9db17537 121 break; \
mbed_official 376:cb4d9db17537 122 case RCC_USART2CLKSOURCE_SYSCLK: \
mbed_official 376:cb4d9db17537 123 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
mbed_official 376:cb4d9db17537 124 break; \
mbed_official 376:cb4d9db17537 125 case RCC_USART2CLKSOURCE_LSE: \
mbed_official 376:cb4d9db17537 126 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
mbed_official 376:cb4d9db17537 127 break; \
mbed_official 376:cb4d9db17537 128 default: \
mbed_official 376:cb4d9db17537 129 break; \
mbed_official 376:cb4d9db17537 130 } \
mbed_official 376:cb4d9db17537 131 } \
mbed_official 376:cb4d9db17537 132 } while(0)
mbed_official 376:cb4d9db17537 133
mbed_official 376:cb4d9db17537 134 /** @brief Reports the USART mask to apply to retrieve the received data
mbed_official 376:cb4d9db17537 135 * according to the word length and to the parity bits activation.
mbed_official 376:cb4d9db17537 136 * If PCE = 1, the parity bit is not included in the data extracted
mbed_official 376:cb4d9db17537 137 * by the reception API().
mbed_official 376:cb4d9db17537 138 * This masking operation is not carried out in the case of
mbed_official 376:cb4d9db17537 139 * DMA transfers.
mbed_official 376:cb4d9db17537 140 * @param __HANDLE__: specifies the USART Handle
mbed_official 376:cb4d9db17537 141 * @param __MASK__ : output variable
mbed_official 376:cb4d9db17537 142 * @retval mask to apply to USART RDR register value.
mbed_official 376:cb4d9db17537 143 */
mbed_official 376:cb4d9db17537 144 #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \
mbed_official 376:cb4d9db17537 145 do { \
mbed_official 376:cb4d9db17537 146 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
mbed_official 376:cb4d9db17537 147 { \
mbed_official 376:cb4d9db17537 148 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
mbed_official 376:cb4d9db17537 149 { \
mbed_official 376:cb4d9db17537 150 (__HANDLE__)->Mask = 0x01FF ; \
mbed_official 376:cb4d9db17537 151 } \
mbed_official 376:cb4d9db17537 152 else \
mbed_official 376:cb4d9db17537 153 { \
mbed_official 376:cb4d9db17537 154 (__HANDLE__)->Mask = 0x00FF ; \
mbed_official 376:cb4d9db17537 155 } \
mbed_official 376:cb4d9db17537 156 } \
mbed_official 376:cb4d9db17537 157 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
mbed_official 376:cb4d9db17537 158 { \
mbed_official 376:cb4d9db17537 159 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
mbed_official 376:cb4d9db17537 160 { \
mbed_official 376:cb4d9db17537 161 (__HANDLE__)->Mask = 0x00FF ; \
mbed_official 376:cb4d9db17537 162 } \
mbed_official 376:cb4d9db17537 163 else \
mbed_official 376:cb4d9db17537 164 { \
mbed_official 376:cb4d9db17537 165 (__HANDLE__)->Mask = 0x007F ; \
mbed_official 376:cb4d9db17537 166 } \
mbed_official 376:cb4d9db17537 167 } \
mbed_official 376:cb4d9db17537 168 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
mbed_official 376:cb4d9db17537 169 { \
mbed_official 376:cb4d9db17537 170 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
mbed_official 376:cb4d9db17537 171 { \
mbed_official 376:cb4d9db17537 172 (__HANDLE__)->Mask = 0x007F ; \
mbed_official 376:cb4d9db17537 173 } \
mbed_official 376:cb4d9db17537 174 else \
mbed_official 376:cb4d9db17537 175 { \
mbed_official 376:cb4d9db17537 176 (__HANDLE__)->Mask = 0x003F ; \
mbed_official 376:cb4d9db17537 177 } \
mbed_official 376:cb4d9db17537 178 } \
mbed_official 376:cb4d9db17537 179 } while(0)
mbed_official 376:cb4d9db17537 180
mbed_official 376:cb4d9db17537 181 /**
mbed_official 376:cb4d9db17537 182 * @}
mbed_official 376:cb4d9db17537 183 */
mbed_official 376:cb4d9db17537 184
mbed_official 376:cb4d9db17537 185 /* Exported functions --------------------------------------------------------*/
mbed_official 376:cb4d9db17537 186 /* Initialization/de-initialization methods **********************************/
mbed_official 376:cb4d9db17537 187 /* IO operation methods *******************************************************/
mbed_official 376:cb4d9db17537 188 /* Peripheral Control methods ************************************************/
mbed_official 376:cb4d9db17537 189 /* Peripheral State methods **************************************************/
mbed_official 376:cb4d9db17537 190
mbed_official 376:cb4d9db17537 191
mbed_official 376:cb4d9db17537 192 /**
mbed_official 376:cb4d9db17537 193 * @}
mbed_official 376:cb4d9db17537 194 */
mbed_official 376:cb4d9db17537 195
mbed_official 376:cb4d9db17537 196 /**
mbed_official 376:cb4d9db17537 197 * @}
mbed_official 376:cb4d9db17537 198 */
mbed_official 376:cb4d9db17537 199
mbed_official 376:cb4d9db17537 200 #ifdef __cplusplus
mbed_official 376:cb4d9db17537 201 }
mbed_official 376:cb4d9db17537 202 #endif
mbed_official 376:cb4d9db17537 203
mbed_official 376:cb4d9db17537 204 #endif /* __STM32L0xx_HAL_USART_EX_H */
mbed_official 376:cb4d9db17537 205
mbed_official 376:cb4d9db17537 206 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/