/* \This function will force the processor enter sleep mode,after operating the action,some clocks will be closed except "Internal 10 kHz low speed 
oscillator clock". */
void PWRCtlStandby(void)
/* \This function will force the processor enter sleep mode,after operating the action,some clocks will be closed except "Internal 10 kHz low speed 
oscillator clock". */
void PWRCtlStandby(void)
{
    xSysCtlClockSet(12000000, xSYSCTL_XTAL_12MHZ | xSYSCTL_OSC_MAIN);
    xSysCtlSleep();
}