void WTimer0AIntHandler(){
    unsigned long ulstatus = TimerIntStatus(WTIMER0_BASE,TIMER_TIMA_TIMEOUT);
    TimerIntClear(WTIMER0_BASE, ulstatus);
    UARTprintf("hello ,this is the WTIMER!\n");
    return ;
}
void ConfigureWTIMER(){
    SysCtlPeripheralEnable(SYSCTL_PERIPH_WTIMER0);
    //单次计时
    TimerConfigure(WTIMER0_BASE,TIMER_CFG_ONE_SHOT);
    //周期计时
    //TimerConfigure(WTIMER0_BASE,TIMER_CFG_PERIODIC);
    //预设值设定
    TimerLoadSet64(WTIMER0_BASE, clock*2);
    TimerIntRegister(WTIMER0_BASE, TIMER_A, WTimer0AIntHandler);
    IntMasterEnable();
    TimerIntEnable(WTIMER0_BASE, TIMER_TIMA_TIMEOUT);
    IntEnable(INT_WTIMER0A);
    return ;
}
//##############
//启动时钟
//##############
TimerEnable(WTIMER0_BASE, TIMER_A);
//##############
//计数值读取
//##############
long long timer_val = TimerValueGet64(WTIMER0_BASE);

void Timer2AIntHandler(){
    unsigned long s=TimerIntStatus(TIMER2_BASE,TIMER_CAPA_EVENT);
    TimerIntClear(TIMER2_BASE,s);
    UARTprintf("Captured Value: 0x%04X\n", TimerValueGet(TIMER2_BASE, TIMER_A));
    return ;
}


void ConfigureTIMERCCP(){
    SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOF);
    SysCtlPeripheralEnable(SYSCTL_PERIPH_TIMER2);
    GPIOPinConfigure(GPIO_PF4_T2CCP0);
    GPIOPinTypeTimer(GPIO_PORTF_BASE, GPIO_PIN_4);
    GPIOPadConfigSet(GPIO_PORTF_BASE, GPIO_PIN_4, GPIO_STRENGTH_2MA, GPIO_PIN_TYPE_STD_WPU);
    TimerConfigure(TIMER2_BASE, TIMER_CFG_SPLIT_PAIR | TIMER_CFG_A_CAP_TIME_UP);
    TimerControlEvent(TIMER2_BASE, TIMER_A, TIMER_EVENT_NEG_EDGE);
    TimerLoadSet(TIMER2_BASE, TIMER_A, 0x8FFF);
    TimerIntRegister(TIMER2_BASE, TIMER_A, Timer2AIntHandler);
    IntMasterEnable();
    TimerIntEnable(TIMER2_BASE, TIMER_CAPA_EVENT);
    IntEnable(INT_TIMER2A);
    TimerEnable(TIMER2_BASE,TIMER_A);
    return ;
}