stm32f4xx_wwdg.h 3.3 KB

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  1. /**
  2. ******************************************************************************
  3. * @file stm32f4xx_wwdg.h
  4. * @author MCD Application Team
  5. * @version V1.0.0
  6. * @date 30-September-2011
  7. * @brief This file contains all the functions prototypes for the WWDG firmware
  8. * library.
  9. ******************************************************************************
  10. * @attention
  11. *
  12. * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  13. * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  14. * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  15. * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  16. * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  17. * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  18. *
  19. * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  20. ******************************************************************************
  21. */
  22. /* Define to prevent recursive inclusion -------------------------------------*/
  23. #ifndef __STM32F4xx_WWDG_H
  24. #define __STM32F4xx_WWDG_H
  25. #ifdef __cplusplus
  26. extern "C" {
  27. #endif
  28. /* Includes ------------------------------------------------------------------*/
  29. #include "stm32f4xx.h"
  30. /** @addtogroup STM32F4xx_StdPeriph_Driver
  31. * @{
  32. */
  33. /** @addtogroup WWDG
  34. * @{
  35. */
  36. /* Exported types ------------------------------------------------------------*/
  37. /* Exported constants --------------------------------------------------------*/
  38. /** @defgroup WWDG_Exported_Constants
  39. * @{
  40. */
  41. /** @defgroup WWDG_Prescaler
  42. * @{
  43. */
  44. #define WWDG_Prescaler_1 ((uint32_t)0x00000000)
  45. #define WWDG_Prescaler_2 ((uint32_t)0x00000080)
  46. #define WWDG_Prescaler_4 ((uint32_t)0x00000100)
  47. #define WWDG_Prescaler_8 ((uint32_t)0x00000180)
  48. #define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_Prescaler_1) || \
  49. ((PRESCALER) == WWDG_Prescaler_2) || \
  50. ((PRESCALER) == WWDG_Prescaler_4) || \
  51. ((PRESCALER) == WWDG_Prescaler_8))
  52. #define IS_WWDG_WINDOW_VALUE(VALUE) ((VALUE) <= 0x7F)
  53. #define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F))
  54. /**
  55. * @}
  56. */
  57. /**
  58. * @}
  59. */
  60. /* Exported macro ------------------------------------------------------------*/
  61. /* Exported functions --------------------------------------------------------*/
  62. /* Function used to set the WWDG configuration to the default reset state ****/
  63. void WWDG_DeInit(void);
  64. /* Prescaler, Refresh window and Counter configuration functions **************/
  65. void WWDG_SetPrescaler(uint32_t WWDG_Prescaler);
  66. void WWDG_SetWindowValue(uint8_t WindowValue);
  67. void WWDG_EnableIT(void);
  68. void WWDG_SetCounter(uint8_t Counter);
  69. /* WWDG activation function ***************************************************/
  70. void WWDG_Enable(uint8_t Counter);
  71. /* Interrupts and flags management functions **********************************/
  72. FlagStatus WWDG_GetFlagStatus(void);
  73. void WWDG_ClearFlag(void);
  74. #ifdef __cplusplus
  75. }
  76. #endif
  77. #endif /* __STM32F4xx_WWDG_H */
  78. /**
  79. * @}
  80. */
  81. /**
  82. * @}
  83. */
  84. /******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/