void Sysdelay(unsigned int milliSec)
{
#ifdef DELAY_USE_INTERRUPTS
unsigned int countVal = TIMER_OVERFLOW - (milliSec * TIMER_1MS_COUNT);
DMTimerCounterSet(SOC_DMTIMER_7_REGS, countVal);
flagIsr = FALSE;
/* Enable the DMTimer interrupts */
DMTimerIntEnable(SOC_DMTIMER_7_REGS, DMTIMER_INT_OVF_EN_FLAG);
/* Start the DMTimer */
DMTimerEnable(SOC_DMTIMER_7_REGS);
while(FALSE == flagIsr) ;
/* Disable the DMTimer interrupts */
DMTimerIntDisable(SOC_DMTIMER_7_REGS, DMTIMER_INT_OVF_EN_FLAG);
#else
while(milliSec != 0)
{
DMTimerCounterSet(SOC_DMTIMER_7_REGS, 0);
DMTimerEnable(SOC_DMTIMER_7_REGS);
while(DMTimerCounterGet(SOC_DMTIMER_7_REGS) < TIMER_1MS_COUNT);
DMTimerDisable(SOC_DMTIMER_7_REGS);
milliSec--;
}
#endif
}
unsigned int SysTimer(unsigned int flag)
{
unsigned int timeInTicks=0;
if(flag)
{
DMTimerCounterSet(SOC_DMTIMER_7_REGS, 0);
DMTimerEnable(SOC_DMTIMER_7_REGS);
}
else
{
DMTimerDisable(SOC_DMTIMER_7_REGS);
timeInTicks = DMTimerCounterGet(SOC_DMTIMER_7_REGS);
}
return timeInTicks;
}
/**
* This function checks whether 'count' milli secs are elapsed or not.
* SysStartTimer has to be called prior to checking status.
* NOTE: SysDelay functionality cannot be used till SysStopTimer is called.
*/
unsigned int SysIsTimerElapsed(void)
{
#ifdef DELAY_USE_INTERRUPTS
return flagIsr;
#else
if(DMTimerCounterGet(SOC_DMTIMER_7_REGS) < (flagIsr * TIMER_1MS_COUNT))
{
return 0;
}
else
{
return 1;
}
#endif
}
static void TouchCalibrate(void)
{
unsigned char i;
POINT stDisplayPoint[3] = {{0, 0},{LCD_WIDTH, 0}, {0, LCD_HEIGHT}};
POINT stTouchScreenPoint[3];
UARTPuts("Touch at Right bottom", -1);
while(!IsTSPress);
IsTSPress = 1;
for(i = 0; i < 3; i++)
{
while(DMTimerCounterGet(SOC_DMTIMER_2_REGS) < 0xffffff);
DMTimerDisable(SOC_DMTIMER_2_REGS);
DMTimerCounterSet(SOC_DMTIMER_2_REGS, 0);
stTouchScreenPoint[i].x = x_val[0];
stTouchScreenPoint[i].y = y_val[0];
if(i == 0)
{
UARTPuts("\r\n", -1);
UARTPuts("Touch at Left bottom", -1);
}
else if(i == 1)
{
UARTPuts("\r\n", -1);
UARTPuts("Touch at Right Top", -1);
}
else
{
UARTPuts("\r\n", -1);
}
}
setCalibrationMatrix( stDisplayPoint, stTouchScreenPoint, &stMatrix);
}
