1 /** 2 ****************************************************************************** 3 * @file stm32wbxx_hal_irda_ex.h 4 * @author MCD Application Team 5 * @brief Header file of IRDA HAL Extended module. 6 ****************************************************************************** 7 * @attention 8 * 9 * Copyright (c) 2019 STMicroelectronics. 10 * All rights reserved. 11 * 12 * This software is licensed under terms that can be found in the LICENSE file 13 * in the root directory of this software component. 14 * If no LICENSE file comes with this software, it is provided AS-IS. 15 * 16 ****************************************************************************** 17 */ 18 19 /* Define to prevent recursive inclusion -------------------------------------*/ 20 #ifndef STM32WBxx_HAL_IRDA_EX_H 21 #define STM32WBxx_HAL_IRDA_EX_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32wbxx_hal_def.h" 29 30 /** @addtogroup STM32WBxx_HAL_Driver 31 * @{ 32 */ 33 34 /** @defgroup IRDAEx IRDAEx 35 * @brief IRDA Extended HAL module driver 36 * @{ 37 */ 38 39 /* Exported types ------------------------------------------------------------*/ 40 /* Exported constants --------------------------------------------------------*/ 41 /** @defgroup IRDAEx_Extended_Exported_Constants IRDAEx Extended Exported Constants 42 * @{ 43 */ 44 45 /** @defgroup IRDAEx_Word_Length IRDAEx Word Length 46 * @{ 47 */ 48 #define IRDA_WORDLENGTH_7B USART_CR1_M1 /*!< 7-bit long frame */ 49 #define IRDA_WORDLENGTH_8B 0x00000000U /*!< 8-bit long frame */ 50 #define IRDA_WORDLENGTH_9B USART_CR1_M0 /*!< 9-bit long frame */ 51 /** 52 * @} 53 */ 54 55 /** 56 * @} 57 */ 58 59 /* Exported macros -----------------------------------------------------------*/ 60 61 /* Private macros ------------------------------------------------------------*/ 62 63 /** @defgroup IRDAEx_Private_Macros IRDAEx Private Macros 64 * @{ 65 */ 66 67 /** @brief Report the IRDA clock source. 68 * @param __HANDLE__ specifies the IRDA Handle. 69 * @param __CLOCKSOURCE__ output variable. 70 * @retval IRDA clocking source, written in __CLOCKSOURCE__. 71 */ 72 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 73 do { \ 74 if((__HANDLE__)->Instance == USART1) \ 75 { \ 76 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 77 { \ 78 case RCC_USART1CLKSOURCE_PCLK2: \ 79 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2; \ 80 break; \ 81 case RCC_USART1CLKSOURCE_HSI: \ 82 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 83 break; \ 84 case RCC_USART1CLKSOURCE_SYSCLK: \ 85 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 86 break; \ 87 case RCC_USART1CLKSOURCE_LSE: \ 88 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 89 break; \ 90 default: \ 91 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 92 break; \ 93 } \ 94 } \ 95 else \ 96 { \ 97 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 98 } \ 99 } while(0U) 100 101 /** @brief Compute the mask to apply to retrieve the received data 102 * according to the word length and to the parity bits activation. 103 * @param __HANDLE__ specifies the IRDA Handle. 104 * @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field. 105 */ 106 #define IRDA_MASK_COMPUTATION(__HANDLE__) \ 107 do { \ 108 if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B) \ 109 { \ 110 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 111 { \ 112 (__HANDLE__)->Mask = 0x01FFU ; \ 113 } \ 114 else \ 115 { \ 116 (__HANDLE__)->Mask = 0x00FFU ; \ 117 } \ 118 } \ 119 else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B) \ 120 { \ 121 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 122 { \ 123 (__HANDLE__)->Mask = 0x00FFU ; \ 124 } \ 125 else \ 126 { \ 127 (__HANDLE__)->Mask = 0x007FU ; \ 128 } \ 129 } \ 130 else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B) \ 131 { \ 132 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 133 { \ 134 (__HANDLE__)->Mask = 0x007FU ; \ 135 } \ 136 else \ 137 { \ 138 (__HANDLE__)->Mask = 0x003FU ; \ 139 } \ 140 } \ 141 else \ 142 { \ 143 (__HANDLE__)->Mask = 0x0000U; \ 144 } \ 145 } while(0U) 146 147 /** @brief Ensure that IRDA frame length is valid. 148 * @param __LENGTH__ IRDA frame length. 149 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) 150 */ 151 #define IS_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \ 152 ((__LENGTH__) == IRDA_WORDLENGTH_8B) || \ 153 ((__LENGTH__) == IRDA_WORDLENGTH_9B)) 154 /** 155 * @} 156 */ 157 158 /* Exported functions --------------------------------------------------------*/ 159 160 /** 161 * @} 162 */ 163 164 /** 165 * @} 166 */ 167 168 #ifdef __cplusplus 169 } 170 #endif 171 172 #endif /* STM32WBxx_HAL_IRDA_EX_H */ 173 174
