tool/mbed/mbed-sdk/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_irda_ex.h

   1 /**
   2   ******************************************************************************
   3   * @file    stm32l0xx_hal_irda_ex.h
   4   * @author  MCD Application Team
   5   * @version V1.2.0
   6   * @date    06-February-2015
   7   * @brief   Header file of IRDA HAL Extension module.
   8   ******************************************************************************
   9   * @attention
  10   *
  11   * <h2><center>&copy; COPYRIGHT(c) 2013 STMicroelectronics</center></h2>
  12   *
  13   * Redistribution and use in source and binary forms, with or without modification,
  14   * are permitted provided that the following conditions are met:
  15   *   1. Redistributions of source code must retain the above copyright notice,
  16   *      this list of conditions and the following disclaimer.
  17   *   2. Redistributions in binary form must reproduce the above copyright notice,
  18   *      this list of conditions and the following disclaimer in the documentation
  19   *      and/or other materials provided with the distribution.
  20   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  21   *      may be used to endorse or promote products derived from this software
  22   *      without specific prior written permission.
  23   *
  24   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  25   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  27   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  28   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  31   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  32   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  33   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34   *
  35   ******************************************************************************
  36   */
  37
  38 /* Define to prevent recursive inclusion -------------------------------------*/
  39 #ifndef __STM32L0xx_HAL_IRDA_EX_H
  40 #define __STM32L0xx_HAL_IRDA_EX_H
  41
  42 #ifdef __cplusplus
  43  extern "C" {
  44 #endif
  45
  46 /* Includes ------------------------------------------------------------------*/
  47 #include "stm32l0xx_hal_def.h"
  48
  49 /** @addtogroup STM32L0xx_HAL_Driver
  50   * @{
  51   */
  52
  53 /** @addtogroup IRDAEx
  54   * @{
  55   */
  56
  57 /* Exported types ------------------------------------------------------------*/
  58 /* Exported constants --------------------------------------------------------*/
  59 /** @defgroup IRDAEx_Extended_Exported_Constants IRDA Extended Exported Constants
  60   * @{
  61   */
  62
  63 /** @defgroup IRDAEx_Word_Length IRDAEx Word length
  64   * @{
  65   */
  66 #define IRDA_WORDLENGTH_7B                  ((uint32_t)USART_CR1_M_1)
  67 #define IRDA_WORDLENGTH_8B                  ((uint32_t)0x00000000)
  68 #define IRDA_WORDLENGTH_9B                  ((uint32_t)USART_CR1_M_0)
  69 #define IS_IRDA_WORD_LENGTH(LENGTH) (((LENGTH) == IRDA_WORDLENGTH_7B) || \
  70                                      ((LENGTH) == IRDA_WORDLENGTH_8B) || \
  71                                      ((LENGTH) == IRDA_WORDLENGTH_9B))
  72 /**
  73   * @}
  74   */
  75
  76
  77 /**
  78   * @}
  79   */
  80
  81 /* Exported macro ------------------------------------------------------------*/
  82
  83 /** @defgroup IRDAEx_Extended_Exported_Macros IRDA Extended Exported Macros
  84   * @{
  85   */
  86 /** @brief  Reports the IRDA clock source.
  87   * @param  __HANDLE__: specifies the UART Handle
  88   * @param  __CLOCKSOURCE__ : output variable
  89   * @retval IRDA clocking source, written in __CLOCKSOURCE__.
  90   */
  91 #if defined (STM32L031xx) || defined (STM32L041xx)
  92 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
  93   do {                                                        \
  94     if((__HANDLE__)->Instance == USART2)                      \
  95     {                                                         \
  96        switch(__HAL_RCC_GET_USART2_SOURCE())                  \
  97        {                                                      \
  98         case RCC_USART2CLKSOURCE_PCLK1:                       \
  99           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1;         \
 100           break;                                              \
 101         case RCC_USART2CLKSOURCE_HSI:                         \
 102           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI;           \
 103           break;                                              \
 104         case RCC_USART2CLKSOURCE_SYSCLK:                      \
 105           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK;        \
 106           break;                                              \
 107         case RCC_USART2CLKSOURCE_LSE:                         \
 108           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE;           \
 109           break;                                              \
 110         default:                                              \
 111           break;                                              \
 112        }                                                      \
 113     }                                                         \
 114     else if((__HANDLE__)->Instance == LPUART1)                \
 115     {                                                         \
 116        switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
 117        {                                                      \
 118         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
 119           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1;         \
 120           break;                                              \
 121         case RCC_LPUART1CLKSOURCE_HSI:                        \
 122           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI;           \
 123           break;                                              \
 124         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
 125           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK;        \
 126           break;                                              \
 127         case RCC_LPUART1CLKSOURCE_LSE:                        \
 128           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE;           \
 129           break;                                              \
 130         default:                                              \
 131           break;                                              \
 132        }                                                      \
 133     }                                                         \
 134   } while(0)
 135
 136 #else /* (STM32L031xx) || defined (STM32L041xx) */
 137
 138 #define IRDA_GETCLOCKSOURCE(__HANDLE__,__CLOCKSOURCE__) \
 139   do {                                                        \
 140     if((__HANDLE__)->Instance == USART1)                      \
 141     {                                                         \
 142        switch(__HAL_RCC_GET_USART1_SOURCE())                  \
 143        {                                                      \
 144         case RCC_USART1CLKSOURCE_PCLK2:                       \
 145           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK2;         \
 146           break;                                              \
 147         case RCC_USART1CLKSOURCE_HSI:                         \
 148           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI;           \
 149           break;                                              \
 150         case RCC_USART1CLKSOURCE_SYSCLK:                      \
 151           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK;        \
 152           break;                                              \
 153         case RCC_USART1CLKSOURCE_LSE:                         \
 154           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE;           \
 155           break;                                              \
 156         default:                                              \
 157           break;                                              \
 158        }                                                      \
 159     }                                                         \
 160     else  if((__HANDLE__)->Instance == USART2)                \
 161     {                                                         \
 162        switch(__HAL_RCC_GET_USART2_SOURCE())                  \
 163        {                                                      \
 164         case RCC_USART2CLKSOURCE_PCLK1:                       \
 165           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1;         \
 166           break;                                              \
 167         case RCC_USART2CLKSOURCE_HSI:                         \
 168           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI;           \
 169           break;                                              \
 170         case RCC_USART2CLKSOURCE_SYSCLK:                      \
 171           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK;        \
 172           break;                                              \
 173         case RCC_USART2CLKSOURCE_LSE:                         \
 174           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE;           \
 175           break;                                              \
 176         default:                                              \
 177           break;                                              \
 178        }                                                      \
 179     }                                                         \
 180     else if((__HANDLE__)->Instance == LPUART1)                \
 181     {                                                         \
 182        switch(__HAL_RCC_GET_LPUART1_SOURCE())                 \
 183        {                                                      \
 184         case RCC_LPUART1CLKSOURCE_PCLK1:                      \
 185           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_PCLK1;         \
 186           break;                                              \
 187         case RCC_LPUART1CLKSOURCE_HSI:                        \
 188           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_HSI;           \
 189           break;                                              \
 190         case RCC_LPUART1CLKSOURCE_SYSCLK:                     \
 191           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_SYSCLK;        \
 192           break;                                              \
 193         case RCC_LPUART1CLKSOURCE_LSE:                        \
 194           (__CLOCKSOURCE__) = IRDA_CLOCKSOURCE_LSE;           \
 195           break;                                              \
 196         default:                                              \
 197           break;                                              \
 198        }                                                      \
 199     }                                                         \
 200   } while(0)
 201 #endif /* (STM32L031xx) || (STM32L041xx) */
 202
 203 /** @brief  Reports the mask to apply to retrieve the received data
 204   *         according to the word length and to the parity bits activation.
 205   * @param  __HANDLE__: specifies the IRDA Handle
 206   * @retval mask to apply to USART RDR register value.
 207   */
 208 #define IRDA_MASK_COMPUTATION(__HANDLE__)                       \
 209   do {                                                                \
 210   if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_9B)            \
 211   {                                                                   \
 212      if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)               \
 213      {                                                                \
 214         (__HANDLE__)->Mask = 0x01FF ;                                 \
 215      }                                                                \
 216      else                                                             \
 217      {                                                                \
 218         (__HANDLE__)->Mask = 0x00FF ;                                 \
 219      }                                                                \
 220   }                                                                   \
 221   else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_8B)       \
 222   {                                                                   \
 223      if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)               \
 224      {                                                                \
 225         (__HANDLE__)->Mask = 0x00FF ;                                 \
 226      }                                                                \
 227      else                                                             \
 228      {                                                                \
 229         (__HANDLE__)->Mask = 0x007F ;                                 \
 230      }                                                                \
 231   }                                                                   \
 232   else if ((__HANDLE__)->Init.WordLength == IRDA_WORDLENGTH_7B)       \
 233   {                                                                   \
 234      if ((__HANDLE__)->Init.Parity == IRDA_PARITY_NONE)               \
 235      {                                                                \
 236         (__HANDLE__)->Mask = 0x007F ;                                 \
 237      }                                                                \
 238      else                                                             \
 239      {                                                                \
 240         (__HANDLE__)->Mask = 0x003F ;                                 \
 241      }                                                                \
 242   }                                                                   \
 243 } while(0)
 244 /**
 245   * @}
 246   */
 247
 248 /* Exported functions --------------------------------------------------------*/
 249 /* Initialization/de-initialization methods  **********************************/
 250 /* IO operation methods *******************************************************/
 251 /* Peripheral Control methods  ************************************************/
 252 /* Peripheral State methods  **************************************************/
 253
 254
 255 /**
 256   * @}
 257   */
 258
 259 /**
 260   * @}
 261   */
 262
 263 #ifdef __cplusplus
 264 }
 265 #endif
 266
 267 #endif /* __STM32L0xx_HAL_IRDA_EX_H */
 268
 269 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
 270