static void Timer_Init(void){
    SysCtlPeripheralEnable(MPU6050_TIMER);
    TimerConfigure(MPU6050_TIMER_BASE, MPU6050_TIMER_CONFIG);
    ui32Period = SysCtlClockGet() / FREQ_UPDATE;
    TimerLoadSet(MPU6050_TIMER_BASE, MPU6050_TIMER_BASE_TIMER, ui32Period -1);
    TimerIntRegister(MPU6050_TIMER_BASE, MPU6050_TIMER_BASE_TIMER, &Timer_Interrupt_Handler);
    IntEnable(MPU6050_TIMER_INT);
    TimerIntEnable(MPU6050_TIMER_BASE, MPU6050_TIMER_INT_FLAGS);
    TimerIntClear(MPU6050_TIMER_BASE, MPU6050_TIMER_INT_FLAGS);
    TimerEnable(MPU6050_TIMER_BASE, MPU6050_TIMER_BASE_TIMER);
    TimerControlStall(MPU6050_TIMER_BASE, MPU6050_TIMER_BASE_TIMER, false);
    TimerEnable(MPU6050_TIMER_BASE, MPU6050_TIMER_BASE_TIMER);
    IntMasterEnable();
}
đoạn này tạo ngắt timer với tần số FREQ_UPDATE.
nên thời gian update hay dt_update = 1/tần số