static VOID
TSP_PowerOff(VOID)
{
TSPMSG((_T("[TSP] ++TSP_PowerOff()\r\n")));
TSP_SampleStop();
//-----------------------------------------------
// To prevent touch locked after wake up !!!
// Wait for ADC Done
// Do not turn off ADC before its A/D conversion finished
EnterCriticalSection(&g_csTouchADC);
// ADC Done..
LeaveCriticalSection(&g_csTouchADC);
g_pADCReg->ADCTSC = UD_SEN_DOWN | YM_SEN_EN | YP_SEN_DIS | XM_SEN_DIS | XP_SEN_DIS | PULL_UP_DIS | AUTO_PST_DIS | XY_PST_NOP;
TSPMSG((_T("[TSP] --TSP_PowerOff()\r\n")));
}
static VOID
TSP_PowerOff(VOID)
{
TSPMSG((_T("[TSP] ++TSP_PowerOff()\r\n")));
TSP_SampleStop();
// To prevent touch locked after wake up,
// Wait for ADC Done
// Do not turn off ADC before its A/D conversion finished
EnterCriticalSection(&g_csTouchADC);
// ADC Done in TSP_GETXy()..
LeaveCriticalSection(&g_csTouchADC);
g_pADCReg->ADCTSC = UD_SEN_DOWN | YM_SEN_EN | YP_SEN_DIS | XM_SEN_DIS | XP_SEN_DIS | PULL_UP_DIS | AUTO_PST_DIS | XY_PST_NOP;
// ADC Standby Mode, conversion data will be preserved.
g_pADCReg->ADCCON |= STDBM_STANDBY;
TSPMSG((_T("[TSP] --TSP_PowerOff()\r\n")));
}
VOID
DdsiTouchPanelGetPoint(TOUCH_PANEL_SAMPLE_FLAGS *pTipState, INT *pUncalX, INT *pUncalY)
{
static int PrevX=0;
static int PrevY=0;
int TmpX = 0;
int TmpY = 0;
//TSPMSG((_T("[TSP] ++DdsiTouchPanelGetPoint()\r\n")));
if (g_pVIC1Reg->VICRAWINTR & (1<<(PHYIRQ_PENDN-VIC1_BIT_OFFSET))) // gIntrTouch Interrupt Case
{
//TSPMSG((_T("[TSP] gIntrTouch(PHYIRQ_PENDN) Case\r\n")));
*pTipState = TouchSampleValidFlag;
if ((g_pADCReg->ADCDAT0 & D_UPDOWN_UP)
|| (g_pADCReg->ADCDAT1 & D_UPDOWN_UP))
{
//TSPMSG((_T("[TSP] Pen Up\r\n")));
g_bTSP_DownFlag = FALSE;
g_pADCReg->ADCTSC = ADCTSC_WAIT_PENDOWN;
*pUncalX = PrevX;
*pUncalY = PrevY;
TSP_SampleStop();
}
else
{
//TSPMSG((_T("[TSP] Pen Down\r\n")));
g_bTSP_DownFlag = TRUE;
g_pADCReg->ADCTSC = ADCTSC_WAIT_PENUP;
*pTipState |= TouchSampleIgnore;
*pUncalX = PrevX;
*pUncalY = PrevY;
*pTipState |= TouchSampleDownFlag;
TSP_SampleStart();
}
g_pADCReg->ADCCLRWK = CLEAR_ADCWK_INT;
InterruptDone(gIntrTouch); // Not handled in MDD
}
else// if (g_pVIC0Reg->VICRAWINTR & (1<<(PHYIRQ_TIMER3))) // gIntrTouchTimer Interrupt Case
{
//TSPMSG((_T("[TSP] gIntrTouchChanged(PHYIRQ_TIMER3) Case\r\n")));
// Check for Pen-Up case on the event of timer3 interrupt
if ((g_pADCReg->ADCDAT0 & D_UPDOWN_UP)
|| (g_pADCReg->ADCDAT1 & D_UPDOWN_UP))
{
//TSPMSG((_T("[TSP] Pen Up +\r\n")));
g_bTSP_DownFlag = FALSE;
g_pADCReg->ADCTSC = ADCTSC_WAIT_PENDOWN;
*pUncalX = PrevX;
*pUncalY = PrevY;
*pTipState = TouchSampleValidFlag;
TSP_SampleStop();
}
else if (g_bTSP_DownFlag)
{
if (TSP_GetXY(&TmpX, &TmpY) == TRUE)
{
//TSP_TransXY(&TmpX, &TmpY);
if(Touch_Pen_Filtering(&TmpX, &TmpY))
{
*pTipState = TouchSampleValidFlag | TouchSampleDownFlag;
*pTipState &= ~TouchSampleIgnore;
}
else // Invalid touch pen
{
*pTipState = TouchSampleValidFlag;
*pTipState |= TouchSampleIgnore;
}
*pUncalX = PrevX = TmpX;
*pUncalY = PrevY = TmpY;
g_pADCReg->ADCTSC = ADCTSC_WAIT_PENUP;
//TSPMSG((_T("[TSP] UncalX = %d, UncalY = %d\r\n"), *pUncalX,*pUncalY));
}
else
{
*pTipState = TouchSampleIgnore;
}
}
else
{
TSPERR((_T("[TSP] Unknown State\r\n")));
*pTipState = TouchSampleIgnore;
TSP_SampleStop();
}
// timer3 interrupt status clear
//g_pPWMReg->TINT_CSTAT |= (1<<8); // Do not use OR/AND operation on TINTC_CSTAT
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) | TIMER3_PENDING_CLEAR;
InterruptDone(gIntrTouchChanged); // Not Handled in MDD
}
//TSPMSG((_T("[TSP] --DdsiTouchPanelGetPoint()\r\n")));
}
