1 /** 2 ****************************************************************************** 3 * @file stm32l0xx_hal_irda_ex.h 4 * @author MCD Application Team 5 * @brief Header file of IRDA HAL Extended module. 6 ****************************************************************************** 7 * @attention 8 * 9 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> 10 * 11 * Redistribution and use in source and binary forms, with or without modification, 12 * are permitted provided that the following conditions are met: 13 * 1. Redistributions of source code must retain the above copyright notice, 14 * this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright notice, 16 * this list of conditions and the following disclaimer in the documentation 17 * and/or other materials provided with the distribution. 18 * 3. Neither the name of STMicroelectronics nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 23 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 25 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 29 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 ****************************************************************************** 34 */ 35 36 /* Define to prevent recursive inclusion -------------------------------------*/ 37 #ifndef __STM32L0xx_HAL_IRDA_EX_H 38 #define __STM32L0xx_HAL_IRDA_EX_H 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* Includes ------------------------------------------------------------------*/ 45 #include "stm32l0xx_hal_def.h" 46 47 /** @addtogroup STM32L0xx_HAL_Driver 48 * @{ 49 */ 50 51 /** @addtogroup IRDAEx 52 * @{ 53 */ 54 55 /* Exported types ------------------------------------------------------------*/ 56 /* Exported constants --------------------------------------------------------*/ 57 /* Exported macros -----------------------------------------------------------*/ 58 /* Exported functions --------------------------------------------------------*/ 59 60 /* Private macros ------------------------------------------------------------*/ 61 62 /** @defgroup IRDAEx_Private_Macros IRDAEx Private Macros 63 * @{ 64 */ 65 66 /** @brief Report the IRDA clock source. 67 * @param __HANDLE__: specifies the IRDA Handle. 68 * @param __CLOCKSOURCE__: output variable. 69 * @retval IRDA clocking source, written in __CLOCKSOURCE__. 70 */ 71 #if defined (STM32L031xx) || defined (STM32L041xx) || defined (STM32L011xx) || defined (STM32L021xx) 72 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 73 do { \ 74 if((__HANDLE__)->Instance == USART2) \ 75 { \ 76 switch(__HAL_RCC_GET_USART2_SOURCE()) \ 77 { \ 78 case RCC_USART2CLKSOURCE_PCLK1: \ 79 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ 80 break; \ 81 case RCC_USART2CLKSOURCE_HSI: \ 82 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 83 break; \ 84 case RCC_USART2CLKSOURCE_SYSCLK: \ 85 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 86 break; \ 87 case RCC_USART2CLKSOURCE_LSE: \ 88 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 89 break; \ 90 default: \ 91 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 92 break; \ 93 } \ 94 } \ 95 else if((__HANDLE__)->Instance == LPUART1) \ 96 { \ 97 switch(__HAL_RCC_GET_LPUART1_SOURCE()) \ 98 { \ 99 case RCC_LPUART1CLKSOURCE_PCLK1: \ 100 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ 101 break; \ 102 case RCC_LPUART1CLKSOURCE_HSI: \ 103 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 104 break; \ 105 case RCC_LPUART1CLKSOURCE_SYSCLK: \ 106 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 107 break; \ 108 case RCC_LPUART1CLKSOURCE_LSE: \ 109 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 110 break; \ 111 default: \ 112 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 113 break; \ 114 } \ 115 } \ 116 } while(0) 117 118 #else /* (STM32L031xx) || defined (STM32L041xx) || (STM32L011xx) || defined (STM32L021xx) */ 119 120 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \ 121 do { \ 122 if((__HANDLE__)->Instance == USART1) \ 123 { \ 124 switch(__HAL_RCC_GET_USART1_SOURCE()) \ 125 { \ 126 case RCC_USART1CLKSOURCE_PCLK2: \ 127 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2; \ 128 break; \ 129 case RCC_USART1CLKSOURCE_HSI: \ 130 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 131 break; \ 132 case RCC_USART1CLKSOURCE_SYSCLK: \ 133 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 134 break; \ 135 case RCC_USART1CLKSOURCE_LSE: \ 136 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 137 break; \ 138 default: \ 139 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 140 break; \ 141 } \ 142 } \ 143 else if((__HANDLE__)->Instance == USART2) \ 144 { \ 145 switch(__HAL_RCC_GET_USART2_SOURCE()) \ 146 { \ 147 case RCC_USART2CLKSOURCE_PCLK1: \ 148 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ 149 break; \ 150 case RCC_USART2CLKSOURCE_HSI: \ 151 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 152 break; \ 153 case RCC_USART2CLKSOURCE_SYSCLK: \ 154 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 155 break; \ 156 case RCC_USART2CLKSOURCE_LSE: \ 157 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 158 break; \ 159 default: \ 160 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 161 break; \ 162 } \ 163 } \ 164 else if((__HANDLE__)->Instance == LPUART1) \ 165 { \ 166 switch(__HAL_RCC_GET_LPUART1_SOURCE()) \ 167 { \ 168 case RCC_LPUART1CLKSOURCE_PCLK1: \ 169 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1; \ 170 break; \ 171 case RCC_LPUART1CLKSOURCE_HSI: \ 172 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI; \ 173 break; \ 174 case RCC_LPUART1CLKSOURCE_SYSCLK: \ 175 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK; \ 176 break; \ 177 case RCC_LPUART1CLKSOURCE_LSE: \ 178 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE; \ 179 break; \ 180 default: \ 181 (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_UNDEFINED; \ 182 break; \ 183 } \ 184 } \ 185 } while(0) 186 #endif /* (STM32L031xx) || (STM32L041xx) || (STM32L011xx) || (STM32L021xx) */ 187 188 /** 189 * @} 190 */ 191 192 /* Exported functions --------------------------------------------------------*/ 193 194 /** 195 * @} 196 */ 197 198 /** 199 * @} 200 */ 201 202 #ifdef __cplusplus 203 } 204 #endif 205 206 #endif /* __STM32L0xx_HAL_IRDA_EX_H */ 207 208 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ 209 210