diff options
Diffstat (limited to 'platform/drivers/inc/wdog_imx.h')
| -rw-r--r-- | platform/drivers/inc/wdog_imx.h | 62 |
1 files changed, 43 insertions, 19 deletions
diff --git a/platform/drivers/inc/wdog_imx.h b/platform/drivers/inc/wdog_imx.h index 42b982e..8b053df 100644 --- a/platform/drivers/inc/wdog_imx.h +++ b/platform/drivers/inc/wdog_imx.h @@ -44,16 +44,22 @@ /******************************************************************************* * Definitions ******************************************************************************/ -/*! - * @brief Structure to configure the running mode. - */ -typedef struct WdogModeConfig +/*! @brief The reset source of latest reset. */ +enum _wdog_reset_source +{ + wdogResetSourcePor = WDOG_WRSR_POR_MASK, /*!< Indicates the reset is the result of a power on reset.*/ + wdogResetSourceTimeout = WDOG_WRSR_TOUT_MASK, /*!< Indicates the reset is the result of a WDOG timeout.*/ + wdogResetSourceSwRst = WDOG_WRSR_SFTW_MASK, /*!< Indicates the reset is the result of a software reset.*/ +}; + +/*! @brief Structure to configure the running mode. */ +typedef struct _wdog_init_config { - bool wdw; /*!< true: suspend in low power wait, false: not suspend */ - bool wdt; /*!< true: assert WDOG_B when timeout, false: not assert WDOG_B */ - bool wdbg; /*!< true: suspend in debug mode, false: not suspend */ - bool wdzst; /*!< true: suspend in doze and stop mode, false: not suspend */ -} wdog_mode_config_t; + bool wdw; /*!< true: suspend in low power wait, false: not suspend */ + bool wdt; /*!< true: assert WDOG_B when timeout, false: not assert WDOG_B */ + bool wdbg; /*!< true: suspend in debug mode, false: not suspend */ + bool wdzst; /*!< true: suspend in doze and stop mode, false: not suspend */ +} wdog_init_config_t; /******************************************************************************* * API @@ -69,17 +75,17 @@ extern "C" { */ /*! - * @brief Configure WDOG funtions, call once only + * @brief Configure WDOG functions, call once only * * @param base WDOG base pointer. - * @param config WDOG mode configuration + * @param initConfig WDOG mode configuration */ -static inline void WDOG_Init(WDOG_Type *base, wdog_mode_config_t *config) +static inline void WDOG_Init(WDOG_Type *base, const wdog_init_config_t *initConfig) { - base->WCR |= config->wdw ? WDOG_WCR_WDW_MASK : 0 | - config->wdt ? WDOG_WCR_WDT_MASK : 0 | - config->wdbg ? WDOG_WCR_WDBG_MASK : 0 | - config->wdzst ? WDOG_WCR_WDZST_MASK : 0; + base->WCR |= (initConfig->wdw ? WDOG_WCR_WDW_MASK : 0) | + (initConfig->wdt ? WDOG_WCR_WDT_MASK : 0) | + (initConfig->wdbg ? WDOG_WCR_WDBG_MASK : 0) | + (initConfig->wdzst ? WDOG_WCR_WDZST_MASK : 0); } /*! @@ -94,12 +100,28 @@ void WDOG_Enable(WDOG_Type *base, uint8_t timeout); * @brief Assert WDOG software reset signal * * @param base WDOG base pointer. - * @param wda WDOG reset (true: assert WDOG_B, false: no impact on WDOG_B) - * @param srs System reset (true: assert system reset WDOG_RESET_B_DEB, false: no impact on system reset) + * @param wda WDOG reset. + * - true: Assert WDOG_B. + * - false: No impact on WDOG_B. + * @param srs System reset. + * - true: Assert system reset WDOG_RESET_B_DEB. + * - false: No impact on system reset. */ void WDOG_Reset(WDOG_Type *base, bool wda, bool srs); /*! + * @brief Get the latest reset source generated due to + * WatchDog Timer. + * + * @param base WDOG base pointer. + * @return The latest reset source (see @ref _wdog_reset_source enumeration). + */ +static inline uint32_t WDOG_GetResetSource(WDOG_Type *base) +{ + return base->WRSR; +} + +/*! * @brief Refresh the WDOG to prevent timeout * * @param base WDOG base pointer. @@ -138,7 +160,9 @@ static inline void WDOG_EnableInt(WDOG_Type *base, uint8_t time) * @brief Check whether WDOG interrupt is pending * * @param base WDOG base pointer. - * @return WDOG interrupt status (true: pending, false: not pending) + * @return WDOG interrupt status. + * - true: Pending. + * - false: Not pending. */ static inline bool WDOG_IsIntPending(WDOG_Type *base) { |