//****************************************************************************
//
//! The delay function uses timer to implement the delay time in milliseconds
//!
//! \param time in millisecond
//
//! \return void
//****************************************************************************
static void delay(int time_ms)
{
// Initialize Timer 0B as one-shot down counter.
MAP_PRCMPeripheralClkEnable(PRCM_TIMERA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralReset(PRCM_TIMERA0);
MAP_TimerConfigure(TIMERA0_BASE, TIMER_CFG_SPLIT_PAIR | TIMER_CFG_B_ONE_SHOT);
MAP_TimerPrescaleSet(TIMERA0_BASE, TIMER_B, PRESCALE);
//Load the value in milisecond
MAP_TimerLoadSet(TIMERA0_BASE, TIMER_B, MILLISECONDS_TO_TICKS(time_ms));
// Enable the timer
MAP_TimerEnable(TIMERA0_BASE, TIMER_B);
//Stall during debug
MAP_TimerControlStall(TIMERA0_BASE, TIMER_B, 1);
// Enable interrupt upon Time-out
MAP_TimerIntEnable(TIMERA0_BASE, TIMER_TIMB_TIMEOUT);
// Clear Interrupt Flag
MAP_TimerIntClear(TIMERA0_BASE, MAP_TimerIntStatus(TIMERA0_BASE, true));
//Wait until timer time-out
while (MAP_TimerIntStatus(TIMERA0_BASE, true) != TIMER_TIMB_TIMEOUT){}
//Disable the timer
MAP_TimerDisable(TIMERA0_BASE, TIMER_B);
//Disable Interrupt
MAP_TimerIntDisable(TIMERA0_BASE, TIMER_TIMB_TIMEOUT);
MAP_TimerIntUnregister(TIMERA0_BASE, TIMER_B);
}
//*****************************************************************************
//
//! De-Initialize the timer
//!
//! \param uiGPTBaseAddr
//! \param ulTimer
//!
//! This function
//! 1. disable the timer interrupts
//! 2. unregister the timer interrupt
//!
//! \return None.
//
//*****************************************************************************
void Timer_IF_DeInit(unsigned long ulBase,unsigned long ulTimer)
{
//
// Disable the timer interrupt
//
MAP_TimerIntDisable(ulBase,TIMER_TIMA_TIMEOUT|TIMER_TIMB_TIMEOUT);
//
// Unregister the timer interrupt
//
MAP_TimerIntUnregister(ulBase,ulTimer);
}