1 /** 2 ****************************************************************************** 3 * @file stm32wbaxx_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) 2022 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 STM32WBAxx_HAL_IRDA_EX_H 21 #define STM32WBAxx_HAL_IRDA_EX_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32wbaxx_hal_def.h" 29 30 /** @addtogroup STM32WBAxx_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 #if defined(USART2) 73 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 74 do { \ 75 if((__HANDLE__)->Instance == USART1) \ 76 { \ 77 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 78 { \ 79 case RCC_USART1CLKSOURCE_PCLK2: \ 80 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2; \ 81 break; \ 82 case RCC_USART1CLKSOURCE_HSI: \ 83 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 84 break; \ 85 case RCC_USART1CLKSOURCE_SYSCLK: \ 86 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 87 break; \ 88 case RCC_USART1CLKSOURCE_LSE: \ 89 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 90 break; \ 91 default: \ 92 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 93 break; \ 94 } \ 95 } \ 96 else if((__HANDLE__)->Instance == USART2) \ 97 { \ 98 switch(__HAL_RCC_GET_USART2_SOURCE()) \ 99 { \ 100 case RCC_USART2CLKSOURCE_PCLK1: \ 101 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ 102 break; \ 103 case RCC_USART2CLKSOURCE_HSI: \ 104 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 105 break; \ 106 case RCC_USART2CLKSOURCE_SYSCLK: \ 107 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 108 break; \ 109 case RCC_USART2CLKSOURCE_LSE: \ 110 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 111 break; \ 112 default: \ 113 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 114 break; \ 115 } \ 116 } \ 117 else \ 118 { \ 119 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 120 } \ 121 } while(0U) 122 #else 123 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 124 do { \ 125 if((__HANDLE__)->Instance == USART1) \ 126 { \ 127 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 128 { \ 129 case RCC_USART1CLKSOURCE_PCLK2: \ 130 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2; \ 131 break; \ 132 case RCC_USART1CLKSOURCE_HSI: \ 133 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 134 break; \ 135 case RCC_USART1CLKSOURCE_SYSCLK: \ 136 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 137 break; \ 138 case RCC_USART1CLKSOURCE_LSE: \ 139 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 140 break; \ 141 default: \ 142 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 143 break; \ 144 } \ 145 } \ 146 else \ 147 { \ 148 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 149 } \ 150 } while(0U) 151 #endif /* USART2 */ 152 153 /** @brief Compute the mask to apply to retrieve the received data 154 * according to the word length and to the parity bits activation. 155 * @param __HANDLE__ specifies the IRDA Handle. 156 * @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field. 157 */ 158 #define IRDA_MASK_COMPUTATION(__HANDLE__) \ 159 do { \ 160 if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B) \ 161 { \ 162 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 163 { \ 164 (__HANDLE__)->Mask = 0x01FFU ; \ 165 } \ 166 else \ 167 { \ 168 (__HANDLE__)->Mask = 0x00FFU ; \ 169 } \ 170 } \ 171 else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B) \ 172 { \ 173 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 174 { \ 175 (__HANDLE__)->Mask = 0x00FFU ; \ 176 } \ 177 else \ 178 { \ 179 (__HANDLE__)->Mask = 0x007FU ; \ 180 } \ 181 } \ 182 else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B) \ 183 { \ 184 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 185 { \ 186 (__HANDLE__)->Mask = 0x007FU ; \ 187 } \ 188 else \ 189 { \ 190 (__HANDLE__)->Mask = 0x003FU ; \ 191 } \ 192 } \ 193 else \ 194 { \ 195 (__HANDLE__)->Mask = 0x0000U; \ 196 } \ 197 } while(0U) 198 199 /** @brief Ensure that IRDA frame length is valid. 200 * @param __LENGTH__ IRDA frame length. 201 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) 202 */ 203 #define IS_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \ 204 ((__LENGTH__) == IRDA_WORDLENGTH_8B) || \ 205 ((__LENGTH__) == IRDA_WORDLENGTH_9B)) 206 /** 207 * @} 208 */ 209 210 /* Exported functions --------------------------------------------------------*/ 211 212 /** 213 * @} 214 */ 215 216 /** 217 * @} 218 */ 219 220 #ifdef __cplusplus 221 } 222 #endif 223 224 #endif /* STM32WBAxx_HAL_IRDA_EX_H */ 225 226
