1 /** 2 ****************************************************************************** 3 * @file stm32n6xx_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) 2023 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 STM32N6xx_HAL_IRDA_EX_H 21 #define STM32N6xx_HAL_IRDA_EX_H 22 23 #ifdef __cplusplus 24 extern "C" { 25 #endif 26 27 /* Includes ------------------------------------------------------------------*/ 28 #include "stm32n6xx_hal_def.h" 29 30 /** @addtogroup STM32N6xx_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 /** @brief Return clock source used for USART instance used for IRDA. 73 * @param __HANDLE__ specifies the UART Handle. 74 * @param __CLOCKSOURCE__ output variable. 75 * @retval USART clocking source, written in __CLOCKSOURCE__. 76 */ 77 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 78 do { \ 79 if((__HANDLE__)->Instance == USART1) \ 80 { \ 81 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_USART1; \ 82 } \ 83 else if((__HANDLE__)->Instance == USART2) \ 84 { \ 85 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_USART2; \ 86 } \ 87 else if((__HANDLE__)->Instance == USART3) \ 88 { \ 89 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_USART3; \ 90 } \ 91 else if((__HANDLE__)->Instance == UART4) \ 92 { \ 93 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_UART4; \ 94 } \ 95 else if((__HANDLE__)->Instance == UART5) \ 96 { \ 97 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_UART5; \ 98 } \ 99 else if((__HANDLE__)->Instance == USART6) \ 100 { \ 101 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_USART6; \ 102 } \ 103 else if((__HANDLE__)->Instance == UART7) \ 104 { \ 105 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_UART7; \ 106 } \ 107 else if((__HANDLE__)->Instance == UART8) \ 108 { \ 109 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_UART8; \ 110 } \ 111 else if((__HANDLE__)->Instance == UART9) \ 112 { \ 113 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_UART9; \ 114 } \ 115 else if((__HANDLE__)->Instance == USART10) \ 116 { \ 117 (__CLOCKSOURCE__) = (uint64_t)RCC_PERIPHCLK_USART10; \ 118 } \ 119 else \ 120 { \ 121 (__CLOCKSOURCE__) = 0U; \ 122 } \ 123 } while(0U) 124 125 126 /** @brief Compute the mask to apply to retrieve the received data 127 * according to the word length and to the parity bits activation. 128 * @param __HANDLE__ specifies the IRDA Handle. 129 * @retval None, the mask to apply to the associated UART RDR register is stored in (__HANDLE__)->Mask field. 130 */ 131 #define IRDA_MASK_COMPUTATION(__HANDLE__) \ 132 do { \ 133 if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B) \ 134 { \ 135 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 136 { \ 137 (__HANDLE__)->Mask = 0x01FFU ; \ 138 } \ 139 else \ 140 { \ 141 (__HANDLE__)->Mask = 0x00FFU ; \ 142 } \ 143 } \ 144 else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B) \ 145 { \ 146 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 147 { \ 148 (__HANDLE__)->Mask = 0x00FFU ; \ 149 } \ 150 else \ 151 { \ 152 (__HANDLE__)->Mask = 0x007FU ; \ 153 } \ 154 } \ 155 else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B) \ 156 { \ 157 if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE) \ 158 { \ 159 (__HANDLE__)->Mask = 0x007FU ; \ 160 } \ 161 else \ 162 { \ 163 (__HANDLE__)->Mask = 0x003FU ; \ 164 } \ 165 } \ 166 else \ 167 { \ 168 (__HANDLE__)->Mask = 0x0000U; \ 169 } \ 170 } while(0U) 171 172 /** @brief Ensure that IRDA frame length is valid. 173 * @param __LENGTH__ IRDA frame length. 174 * @retval SET (__LENGTH__ is valid) or RESET (__LENGTH__ is invalid) 175 */ 176 #define IS_IRDA_WORD_LENGTH(__LENGTH__) (((__LENGTH__) == IRDA_WORDLENGTH_7B) || \ 177 ((__LENGTH__) == IRDA_WORDLENGTH_8B) || \ 178 ((__LENGTH__) == IRDA_WORDLENGTH_9B)) 179 /** 180 * @} 181 */ 182 183 /* Exported functions --------------------------------------------------------*/ 184 185 /** 186 * @} 187 */ 188 189 /** 190 * @} 191 */ 192 193 #ifdef __cplusplus 194 } 195 #endif 196 197 #endif /* STM32N6xx_HAL_IRDA_EX_H */ 198 199