shao ziyang / mbed-src-kl05

mbed library sources

Dependents:   frdm_kl05z_gpio_test

Fork of mbed-src by mbed official

targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_usart_ex.h@323:9e901b0a5aa1, 2014-09-13 (annotated)

Committer:
shaoziyang
Date:
Sat Sep 13 14:25:46 2014 +0000
Revision:
323:9e901b0a5aa1
Parent:
181:a4cbdfbbd2f4 
test with CLOCK_SETUP = 0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 181:a4cbdfbbd2f4 1 /**
mbed_official 181:a4cbdfbbd2f4 2 ******************************************************************************
mbed_official 181:a4cbdfbbd2f4 3 * @file stm32l0xx_hal_usart_ex.h
mbed_official 181:a4cbdfbbd2f4 4 * @author MCD Application Team
mbed_official 181:a4cbdfbbd2f4 5 * @version V1.0.0
mbed_official 181:a4cbdfbbd2f4 6 * @date 22-April-2014
mbed_official 181:a4cbdfbbd2f4 7 * @brief Header file of USART HAL Extension module.
mbed_official 181:a4cbdfbbd2f4 8 ******************************************************************************
mbed_official 181:a4cbdfbbd2f4 9 * @attention
mbed_official 181:a4cbdfbbd2f4 10 *
mbed_official 181:a4cbdfbbd2f4 11 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 181:a4cbdfbbd2f4 12 *
mbed_official 181:a4cbdfbbd2f4 13 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 181:a4cbdfbbd2f4 14 * are permitted provided that the following conditions are met:
mbed_official 181:a4cbdfbbd2f4 15 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 16 * this list of conditions and the following disclaimer.
mbed_official 181:a4cbdfbbd2f4 17 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 181:a4cbdfbbd2f4 18 * this list of conditions and the following disclaimer in the documentation
mbed_official 181:a4cbdfbbd2f4 19 * and/or other materials provided with the distribution.
mbed_official 181:a4cbdfbbd2f4 20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 181:a4cbdfbbd2f4 21 * may be used to endorse or promote products derived from this software
mbed_official 181:a4cbdfbbd2f4 22 * without specific prior written permission.
mbed_official 181:a4cbdfbbd2f4 23 *
mbed_official 181:a4cbdfbbd2f4 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 181:a4cbdfbbd2f4 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 181:a4cbdfbbd2f4 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 181:a4cbdfbbd2f4 27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 181:a4cbdfbbd2f4 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 181:a4cbdfbbd2f4 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 181:a4cbdfbbd2f4 30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 181:a4cbdfbbd2f4 31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 181:a4cbdfbbd2f4 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 181:a4cbdfbbd2f4 33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 181:a4cbdfbbd2f4 34 *
mbed_official 181:a4cbdfbbd2f4 35 ******************************************************************************
mbed_official 181:a4cbdfbbd2f4 36 */
mbed_official 181:a4cbdfbbd2f4 37
mbed_official 181:a4cbdfbbd2f4 38 /* Define to prevent recursive inclusion -------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 39 #ifndef __STM32L0xx_HAL_USART_EX_H
mbed_official 181:a4cbdfbbd2f4 40 #define __STM32L0xx_HAL_USART_EX_H
mbed_official 181:a4cbdfbbd2f4 41
mbed_official 181:a4cbdfbbd2f4 42 #ifdef __cplusplus
mbed_official 181:a4cbdfbbd2f4 43 extern "C" {
mbed_official 181:a4cbdfbbd2f4 44 #endif
mbed_official 181:a4cbdfbbd2f4 45
mbed_official 181:a4cbdfbbd2f4 46 /* Includes ------------------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 47 #include "stm32l0xx_hal_def.h"
mbed_official 181:a4cbdfbbd2f4 48
mbed_official 181:a4cbdfbbd2f4 49 /** @addtogroup STM32L0xx_HAL_Driver
mbed_official 181:a4cbdfbbd2f4 50 * @{
mbed_official 181:a4cbdfbbd2f4 51 */
mbed_official 181:a4cbdfbbd2f4 52
mbed_official 181:a4cbdfbbd2f4 53 /** @addtogroup USARTEx
mbed_official 181:a4cbdfbbd2f4 54 * @{
mbed_official 181:a4cbdfbbd2f4 55 */
mbed_official 181:a4cbdfbbd2f4 56
mbed_official 181:a4cbdfbbd2f4 57 /* Exported types ------------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 58 /* Exported constants --------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 59 /** @defgroup USARTEx_Extended_Exported_Constants
mbed_official 181:a4cbdfbbd2f4 60 * @{
mbed_official 181:a4cbdfbbd2f4 61 */
mbed_official 181:a4cbdfbbd2f4 62
mbed_official 181:a4cbdfbbd2f4 63 /** @defgroup USARTEx_Word_Length USART Word Length
mbed_official 181:a4cbdfbbd2f4 64 * @{
mbed_official 181:a4cbdfbbd2f4 65 */
mbed_official 181:a4cbdfbbd2f4 66 #define USART_WORDLENGTH_7B ((uint32_t)USART_CR1_M_1)
mbed_official 181:a4cbdfbbd2f4 67 #define USART_WORDLENGTH_8B ((uint32_t)0x00000000)
mbed_official 181:a4cbdfbbd2f4 68 #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M_0)
mbed_official 181:a4cbdfbbd2f4 69 #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_7B) || \
mbed_official 181:a4cbdfbbd2f4 70 ((LENGTH) == USART_WORDLENGTH_8B) || \
mbed_official 181:a4cbdfbbd2f4 71 ((LENGTH) == USART_WORDLENGTH_9B))
mbed_official 181:a4cbdfbbd2f4 72 /**
mbed_official 181:a4cbdfbbd2f4 73 * @}
mbed_official 181:a4cbdfbbd2f4 74 */
mbed_official 181:a4cbdfbbd2f4 75
mbed_official 181:a4cbdfbbd2f4 76 /**
mbed_official 181:a4cbdfbbd2f4 77 * @}
mbed_official 181:a4cbdfbbd2f4 78 */
mbed_official 181:a4cbdfbbd2f4 79
mbed_official 181:a4cbdfbbd2f4 80 /* Exported macro ------------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 81
mbed_official 181:a4cbdfbbd2f4 82 /** @defgroup USARTEx_Extended_Exported_Macros
mbed_official 181:a4cbdfbbd2f4 83 * @{
mbed_official 181:a4cbdfbbd2f4 84 */
mbed_official 181:a4cbdfbbd2f4 85
mbed_official 181:a4cbdfbbd2f4 86 /** @brief Reports the USART clock source.
mbed_official 181:a4cbdfbbd2f4 87 * @param __HANDLE__: specifies the USART Handle
mbed_official 181:a4cbdfbbd2f4 88 * @param __CLOCKSOURCE__ : output variable
mbed_official 181:a4cbdfbbd2f4 89 * @retval the USART clocking source, written in __CLOCKSOURCE__.
mbed_official 181:a4cbdfbbd2f4 90 */
mbed_official 181:a4cbdfbbd2f4 91 #define __HAL_USART_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
mbed_official 181:a4cbdfbbd2f4 92 do { \
mbed_official 181:a4cbdfbbd2f4 93 if((__HANDLE__)->Instance == USART1) \
mbed_official 181:a4cbdfbbd2f4 94 { \
mbed_official 181:a4cbdfbbd2f4 95 switch(__HAL_RCC_GET_USART1_SOURCE()) \
mbed_official 181:a4cbdfbbd2f4 96 { \
mbed_official 181:a4cbdfbbd2f4 97 case RCC_USART1CLKSOURCE_PCLK2: \
mbed_official 181:a4cbdfbbd2f4 98 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK2; \
mbed_official 181:a4cbdfbbd2f4 99 break; \
mbed_official 181:a4cbdfbbd2f4 100 case RCC_USART1CLKSOURCE_HSI: \
mbed_official 181:a4cbdfbbd2f4 101 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
mbed_official 181:a4cbdfbbd2f4 102 break; \
mbed_official 181:a4cbdfbbd2f4 103 case RCC_USART1CLKSOURCE_SYSCLK: \
mbed_official 181:a4cbdfbbd2f4 104 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
mbed_official 181:a4cbdfbbd2f4 105 break; \
mbed_official 181:a4cbdfbbd2f4 106 case RCC_USART1CLKSOURCE_LSE: \
mbed_official 181:a4cbdfbbd2f4 107 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
mbed_official 181:a4cbdfbbd2f4 108 break; \
mbed_official 181:a4cbdfbbd2f4 109 default: \
mbed_official 181:a4cbdfbbd2f4 110 break; \
mbed_official 181:a4cbdfbbd2f4 111 } \
mbed_official 181:a4cbdfbbd2f4 112 } \
mbed_official 181:a4cbdfbbd2f4 113 else if((__HANDLE__)->Instance == USART2) \
mbed_official 181:a4cbdfbbd2f4 114 { \
mbed_official 181:a4cbdfbbd2f4 115 switch(__HAL_RCC_GET_USART2_SOURCE()) \
mbed_official 181:a4cbdfbbd2f4 116 { \
mbed_official 181:a4cbdfbbd2f4 117 case RCC_USART2CLKSOURCE_PCLK1: \
mbed_official 181:a4cbdfbbd2f4 118 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_PCLK1; \
mbed_official 181:a4cbdfbbd2f4 119 break; \
mbed_official 181:a4cbdfbbd2f4 120 case RCC_USART2CLKSOURCE_HSI: \
mbed_official 181:a4cbdfbbd2f4 121 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_HSI; \
mbed_official 181:a4cbdfbbd2f4 122 break; \
mbed_official 181:a4cbdfbbd2f4 123 case RCC_USART2CLKSOURCE_SYSCLK: \
mbed_official 181:a4cbdfbbd2f4 124 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_SYSCLK; \
mbed_official 181:a4cbdfbbd2f4 125 break; \
mbed_official 181:a4cbdfbbd2f4 126 case RCC_USART2CLKSOURCE_LSE: \
mbed_official 181:a4cbdfbbd2f4 127 (__CLOCKSOURCE__) = USART_CLOCKSOURCE_LSE; \
mbed_official 181:a4cbdfbbd2f4 128 break; \
mbed_official 181:a4cbdfbbd2f4 129 default: \
mbed_official 181:a4cbdfbbd2f4 130 break; \
mbed_official 181:a4cbdfbbd2f4 131 } \
mbed_official 181:a4cbdfbbd2f4 132 } \
mbed_official 181:a4cbdfbbd2f4 133 } while(0)
mbed_official 181:a4cbdfbbd2f4 134
mbed_official 181:a4cbdfbbd2f4 135 /** @brief Reports the USART mask to apply to retrieve the received data
mbed_official 181:a4cbdfbbd2f4 136 * according to the word length and to the parity bits activation.
mbed_official 181:a4cbdfbbd2f4 137 * If PCE = 1, the parity bit is not included in the data extracted
mbed_official 181:a4cbdfbbd2f4 138 * by the reception API().
mbed_official 181:a4cbdfbbd2f4 139 * This masking operation is not carried out in the case of
mbed_official 181:a4cbdfbbd2f4 140 * DMA transfers.
mbed_official 181:a4cbdfbbd2f4 141 * @param __HANDLE__: specifies the USART Handle
mbed_official 181:a4cbdfbbd2f4 142 * @param __MASK__ : output variable
mbed_official 181:a4cbdfbbd2f4 143 * @retval mask to apply to USART RDR register value.
mbed_official 181:a4cbdfbbd2f4 144 */
mbed_official 181:a4cbdfbbd2f4 145 #define __HAL_USART_MASK_COMPUTATION(__HANDLE__) \
mbed_official 181:a4cbdfbbd2f4 146 do { \
mbed_official 181:a4cbdfbbd2f4 147 if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_9B) \
mbed_official 181:a4cbdfbbd2f4 148 { \
mbed_official 181:a4cbdfbbd2f4 149 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
mbed_official 181:a4cbdfbbd2f4 150 { \
mbed_official 181:a4cbdfbbd2f4 151 (__HANDLE__)->Mask = 0x01FF ; \
mbed_official 181:a4cbdfbbd2f4 152 } \
mbed_official 181:a4cbdfbbd2f4 153 else \
mbed_official 181:a4cbdfbbd2f4 154 { \
mbed_official 181:a4cbdfbbd2f4 155 (__HANDLE__)->Mask = 0x00FF ; \
mbed_official 181:a4cbdfbbd2f4 156 } \
mbed_official 181:a4cbdfbbd2f4 157 } \
mbed_official 181:a4cbdfbbd2f4 158 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_8B) \
mbed_official 181:a4cbdfbbd2f4 159 { \
mbed_official 181:a4cbdfbbd2f4 160 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
mbed_official 181:a4cbdfbbd2f4 161 { \
mbed_official 181:a4cbdfbbd2f4 162 (__HANDLE__)->Mask = 0x00FF ; \
mbed_official 181:a4cbdfbbd2f4 163 } \
mbed_official 181:a4cbdfbbd2f4 164 else \
mbed_official 181:a4cbdfbbd2f4 165 { \
mbed_official 181:a4cbdfbbd2f4 166 (__HANDLE__)->Mask = 0x007F ; \
mbed_official 181:a4cbdfbbd2f4 167 } \
mbed_official 181:a4cbdfbbd2f4 168 } \
mbed_official 181:a4cbdfbbd2f4 169 else if ((__HANDLE__)->Init.WordLength == USART_WORDLENGTH_7B) \
mbed_official 181:a4cbdfbbd2f4 170 { \
mbed_official 181:a4cbdfbbd2f4 171 if ((__HANDLE__)->Init.Parity == USART_PARITY_NONE) \
mbed_official 181:a4cbdfbbd2f4 172 { \
mbed_official 181:a4cbdfbbd2f4 173 (__HANDLE__)->Mask = 0x007F ; \
mbed_official 181:a4cbdfbbd2f4 174 } \
mbed_official 181:a4cbdfbbd2f4 175 else \
mbed_official 181:a4cbdfbbd2f4 176 { \
mbed_official 181:a4cbdfbbd2f4 177 (__HANDLE__)->Mask = 0x003F ; \
mbed_official 181:a4cbdfbbd2f4 178 } \
mbed_official 181:a4cbdfbbd2f4 179 } \
mbed_official 181:a4cbdfbbd2f4 180 } while(0)
mbed_official 181:a4cbdfbbd2f4 181
mbed_official 181:a4cbdfbbd2f4 182 /**
mbed_official 181:a4cbdfbbd2f4 183 * @}
mbed_official 181:a4cbdfbbd2f4 184 */
mbed_official 181:a4cbdfbbd2f4 185
mbed_official 181:a4cbdfbbd2f4 186 /* Exported functions --------------------------------------------------------*/
mbed_official 181:a4cbdfbbd2f4 187 /* Initialization/de-initialization methods **********************************/
mbed_official 181:a4cbdfbbd2f4 188 /* IO operation methods *******************************************************/
mbed_official 181:a4cbdfbbd2f4 189 /* Peripheral Control methods ************************************************/
mbed_official 181:a4cbdfbbd2f4 190 /* Peripheral State methods **************************************************/
mbed_official 181:a4cbdfbbd2f4 191
mbed_official 181:a4cbdfbbd2f4 192
mbed_official 181:a4cbdfbbd2f4 193 /**
mbed_official 181:a4cbdfbbd2f4 194 * @}
mbed_official 181:a4cbdfbbd2f4 195 */
mbed_official 181:a4cbdfbbd2f4 196
mbed_official 181:a4cbdfbbd2f4 197 /**
mbed_official 181:a4cbdfbbd2f4 198 * @}
mbed_official 181:a4cbdfbbd2f4 199 */
mbed_official 181:a4cbdfbbd2f4 200
mbed_official 181:a4cbdfbbd2f4 201 #ifdef __cplusplus
mbed_official 181:a4cbdfbbd2f4 202 }
mbed_official 181:a4cbdfbbd2f4 203 #endif
mbed_official 181:a4cbdfbbd2f4 204
mbed_official 181:a4cbdfbbd2f4 205 #endif /* __STM32L0xx_HAL_USART_EX_H */
mbed_official 181:a4cbdfbbd2f4 206
mbed_official 181:a4cbdfbbd2f4 207 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/