mbed library sources. Supersedes mbed-src.
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Diff: targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/StdDriver/nuc472_wwdt.h
- Revision:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/StdDriver/nuc472_wwdt.h Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,125 @@ +/**************************************************************************//** + * @file wwdt.h + * @version V1.00 + * $Revision: 9 $ + * $Date: 14/05/29 1:13p $ + * @brief NUC472/NUC442 WWDT driver header file + * + * @note + * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved. + *****************************************************************************/ +#ifndef __WWDT_H__ +#define __WWDT_H__ + +#ifdef __cplusplus +extern "C" +{ +#endif + + +/** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver + @{ +*/ + +/** @addtogroup NUC472_442_WWDT_Driver WWDT Driver + @{ +*/ + +/** @addtogroup NUC472_442_WWDT_EXPORTED_CONSTANTS WWDT Exported Constants + @{ +*/ +#define WWDT_PRESCALER_1 (0UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 1 \hideinitializer +#define WWDT_PRESCALER_2 (1UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 2 \hideinitializer +#define WWDT_PRESCALER_4 (2UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 4 \hideinitializer +#define WWDT_PRESCALER_8 (3UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 8 \hideinitializer +#define WWDT_PRESCALER_16 (4UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 16 \hideinitializer +#define WWDT_PRESCALER_32 (5UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 32 \hideinitializer +#define WWDT_PRESCALER_64 (6UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 64 \hideinitializer +#define WWDT_PRESCALER_128 (7UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 128 \hideinitializer +#define WWDT_PRESCALER_192 (8UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 192 \hideinitializer +#define WWDT_PRESCALER_256 (9UL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 256 \hideinitializer +#define WWDT_PRESCALER_384 (0xAUL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 384 \hideinitializer +#define WWDT_PRESCALER_512 (0xBUL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 512 \hideinitializer +#define WWDT_PRESCALER_768 (0xCUL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 768 \hideinitializer +#define WWDT_PRESCALER_1024 (0xDUL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 1024 \hideinitializer +#define WWDT_PRESCALER_1536 (0xEUL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 1536 \hideinitializer +#define WWDT_PRESCALER_2048 (0xFUL << WWDT_CTL_PSCSEL_Pos) ///< WWDT setting prescaler to 2048 \hideinitializer + +#define WWDT_RELOAD_WORD (0x00005AA5) ///< Fill this value to RLD register to reload WWDT counter \hideinitializer +/*@}*/ /* end of group NUC472_442_WWDT_EXPORTED_CONSTANTS */ + + +/** @addtogroup NUC472_442_WWDT_EXPORTED_FUNCTIONS WWDT Exported Functions + @{ +*/ + +/** + * @brief This macro clear WWDT time-out reset system flag. + * @param None + * @return None + * \hideinitializer + */ +#define WWDT_CLEAR_RESET_FLAG() (WWDT->STATUS = WWDT_STATUS_WWDTRF_Msk) + +/** + * @brief This macro clear WWDT compare match interrupt flag. + * @param None + * @return None + * \hideinitializer + */ +#define WWDT_CLEAR_INT_FLAG() (WWDT->STATUS = WWDT_STATUS_WWDTIF_Msk) + +/** + * @brief This macro is use to get WWDT time-out reset system flag. + * @return WWDT reset system or not + * @retval 0 WWDT did not cause system reset + * @retval 1 WWDT caused system reset + * \hideinitializer + */ +#define WWDT_GET_RESET_FLAG() (WWDT->STATUS & WWDT_STATUS_WWDTRF_Msk ? 1 : 0) + +/** + * @brief This macro is used to indicate WWDT compare match interrupt flag. + * @return WWDT compare match interrupt occurred or not + * @retval 0 WWDT compare match interrupt did not occur + * @retval 1 WWDT compare match interrupt occurred + * \hideinitializer + */ +#define WWDT_GET_INT_FLAG() (WWDT->STATUS & WWDT_STATUS_WWDTIF_Msk ? 1 : 0) + +/** + * @brief This macro to reflects current WWDT counter value + * @param None + * @return Return current WWDT counter value + * \hideinitializer + */ +#define WWDT_GET_COUNTER() (WWDT->CNT) + +/** + * @brief This macro is used to reload the WWDT counter value to 0x3F. + * @param None + * @return None + * @details After WWDT enabled, application must reload WWDT counter while + * current counter is less than compare value and larger than 0, + * otherwise WWDT will cause system reset. + * \hideinitializer + */ +#define WWDT_RELOAD_COUNTER() (WWDT->RLDCNT = WWDT_RELOAD_WORD) + + +void WWDT_Open(uint32_t u32PreScale, uint32_t u32CmpValue, uint32_t u32EnableInt); + + +/*@}*/ /* end of group NUC472_442_WWDT_EXPORTED_FUNCTIONS */ + +/*@}*/ /* end of group NUC472_442_WWDT_Driver */ + +/*@}*/ /* end of group NUC472_442_Device_Driver */ + +#ifdef __cplusplus +} +#endif + +#endif //__WWDT_H__ + +/*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/