Exemplo n.º 1
0
/*FUNCTION****************************************************************
 *
 * Function Name : WDOG_DRV_Init
 * Description   : Initialize watchdog
 * This function is used to initialize the WDOG, after called, the WDOG 
 * will run immediately according to the configure.
 *
 *END*********************************************************************/
void WDOG_DRV_Init(const wdog_user_config_t* userConfigPtr)
{
    assert(userConfigPtr);

    wdog_common_config wdogCommonConfig;
    uint32_t coreClockHz, busClockHz;

    CLOCK_SYS_GetFreq(kCoreClock, &coreClockHz);
    CLOCK_SYS_GetFreq(kBusClock, &busClockHz);

    wdogWctInstructionCount = ((coreClockHz/busClockHz) << 8); /* WCT is 256 bus clock */

    wdogCommonConfig.U = 0x0U;
    wdogCommonConfig.commonConfig.workInWaitModeEnable = (uint8_t)userConfigPtr->workInWaitModeEnable;
    wdogCommonConfig.commonConfig.workInDebugModeEnable = (uint8_t)userConfigPtr->workInDebugModeEnable;
    wdogCommonConfig.commonConfig.workInStopModeEnable = (uint8_t)userConfigPtr->workInStopModeEnable;
    wdogCommonConfig.commonConfig.clockSource = (uint8_t)userConfigPtr->clockSource;
    wdogCommonConfig.commonConfig.interruptEnable = (uint8_t)false;
    wdogCommonConfig.commonConfig.windowModeEnable = (uint8_t)(0 != userConfigPtr->windowValue);
    wdogCommonConfig.commonConfig.updateRegisterEnable = (uint8_t)userConfigPtr->updateRegisterEnable; 
    wdogCommonConfig.commonConfig.wdogEnable = (uint8_t)(true);

    WDOG_DRV_Unlock();
    WDOG_HAL_SetTimeoutValue(g_wdogBaseAddr[0], userConfigPtr->timeoutValue);
    WDOG_HAL_SetWindowValue(g_wdogBaseAddr[0], userConfigPtr->windowValue);
    WDOG_HAL_SetClockPrescalerValueMode(g_wdogBaseAddr[0], userConfigPtr->clockPrescalerValue);
    WDOG_HAL_ClearIntFlag(g_wdogBaseAddr[0]);
    WDOG_HAL_SetCommonConfig(g_wdogBaseAddr[0], wdogCommonConfig);
    WDOG_DRV_WaitWctClose();

}
Exemplo n.º 2
0
/*FUNCTION**********************************************************************
 *
 * Function Name : WDOG_HAL_Init
 * Description   : Initialize WDOG peripheral to workable state.
 *
 *END**************************************************************************/
void WDOG_HAL_Init(WDOG_Type * base)
{
    wdog_work_mode_t initWorkmode;
#if FSL_FEATURE_WDOG_HAS_WAITEN
    initWorkmode.kWdogEnableInWaitMode  = true;
#endif
    initWorkmode.kWdogEnableInStopMode  = false;
    initWorkmode.kWdogEnableInDebugMode = false;
    wdog_config_t initConfig;
    initConfig.wdogEnable   = true;
    initConfig.clkSrc       = kWdogLpoClkSrc;
    initConfig.prescaler    = kWdogClkPrescalerDivide1;
    initConfig.workMode     = initWorkmode;
    initConfig.updateEnable = true;
    initConfig.intEnable    = false;
    initConfig.winEnable    = false;
    WDOG_HAL_Unlock(base);
    WDOG_HAL_SetTimeoutValue(base, 0x004C4B4C);
    WDOG_HAL_SetWindowValue(base, 0);
    WDOG_HAL_SetConfig(base, &initConfig);
}