static VOID
TSP_PowerOn(VOID)
{
TSPMSG((_T("[TSP] ++TSP_PowerOn()\r\n")));
g_pADCReg->ADCDLY = ADC_DELAY(TSP_ADC_DELAY);
g_pADCReg->ADCCON = RESSEL_12BIT | PRESCALER_EN | PRESCALER_VAL(TSP_ADC_PRESCALER) | STDBM_NORMAL;
g_pADCReg->ADCTSC = ADCTSC_WAIT_PENDOWN;
g_pADCReg->ADCCLRINT = CLEAR_ADC_INT;
g_pADCReg->ADCCLRWK = CLEAR_ADCWK_INT;
g_SampleTick_Low = TSP_TIMER_CNT_LOW;
g_SampleTick_High = TSP_TIMER_CNT_HIGH;
// Set Divider MUX for Timer3
SET_TIMER3_DIVIDER_MUX(g_pPWMReg, TSP_TIMER_DIVIDER);
g_pPWMReg->TCNTB3 = g_SampleTick_Low;
// timer3 interrupt disable
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) & ~TIMER3_INTERRUPT_ENABLE;
// timer3 interrupt status clear
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) | TIMER3_PENDING_CLEAR;
TSPMSG((_T("[TSP] --TSP_PowerOn()\r\n")));
}
static void OEMInitializeSystemTimer(UINT32 msecPerSysTick, UINT32 countsPerMSec, UINT32 countsMargin)
{
UINT32 countsPerSysTick;
volatile S3C6400_PWM_REG *pPWMReg;
// Validate Input parameters
countsPerSysTick = msecPerSysTick * countsPerMSec;
// Initialize S3C6400 Timer
pPWMReg = (S3C6400_PWM_REG*)OALPAtoUA(S3C6400_BASE_REG_PA_PWM);
// Set Prescaler 1 (Timer2,3,4)
pPWMReg->TCFG0 = (pPWMReg->TCFG0 & ~(0xff<<8)) | ((SYS_TIMER_PRESCALER-1)<<8);
// Set Divider MUX for Timer4
switch(SYS_TIMER_DIVIDER)
{
case 1:
pPWMReg->TCFG1 = (pPWMReg->TCFG1 & ~(0xf<<16)) | (0<<16);
break;
case 2:
pPWMReg->TCFG1 = (pPWMReg->TCFG1 & ~(0xf<<16)) | (1<<16);
break;
case 4:
pPWMReg->TCFG1 = (pPWMReg->TCFG1 & ~(0xf<<16)) | (2<<16);
break;
case 8:
pPWMReg->TCFG1 = (pPWMReg->TCFG1 & ~(0xf<<16)) | (3<<16);
break;
case 16:
pPWMReg->TCFG1 = (pPWMReg->TCFG1 & ~(0xf<<16)) | (4<<16);
break;
default:
pPWMReg->TCFG1 = (pPWMReg->TCFG1 & ~(0xf<<16)) | (0<<16);
break;
}
// Set Timer4 Count Buffer Register
pPWMReg->TCNTB4 = countsPerSysTick;
// Timer4 Clear Interrupt Pending
//pPWMReg->TINT_CSTAT |= (1<<9); // Do not use OR/AND operation on TINTC_CSTAT
pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(pPWMReg->TINT_CSTAT) | TIMER4_PENDING_CLEAR;
// Timer4 Interrupt Enable
//pPWMReg->TINT_CSTAT |= (1<<4); // Do not use OR/AND operation on TINTC_CSTAT
pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(pPWMReg->TINT_CSTAT) | TIMER4_INTERRUPT_ENABLE;
// Start Timer4 in Auto Reload mode (Fixed Tick!!!)
pPWMReg->TCON &= ~(0x7<<20);
pPWMReg->TCON |= (1<<21); // Update TCNTB4
pPWMReg->TCON &= ~(1<<21);
pPWMReg->TCON |= (1<<22)|(1<<20); // Auto-reload Mode, Timer4 Start
}
static VOID
TSP_SampleStop(VOID)
{
STOP_TIMER3(g_pPWMReg);
// timer3 interrupt disable, Do not use OR/AND operation on TINTC_CSTAT directly
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) & ~TIMER3_INTERRUPT_ENABLE;
// timer3 interrupt status clear, Do not use OR/AND operation on TINTC_CSTAT directly
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) | TIMER3_PENDING_CLEAR;
}
static VOID
TSP_PowerOn(VOID)
{
TSPMSG((_T("[TSP] ++TSP_PowerOn()\r\n")));
g_pADCReg->ADCDLY = ADC_DELAY(TSP_ADC_DELAY);
g_pADCReg->ADCCON = PRESCALER_EN | PRESCALER_VAL(TSP_ADC_PRESCALER);
g_pADCReg->ADCTSC = ADCTSC_WAIT_PENDOWN;
g_pADCReg->ADCCLRINT = CLEAR_ADC_INT;
g_pADCReg->ADCCLRWK = CLEAR_ADCWK_INT;
g_SampleTick_Low = TSP_TIMER_CNT_LOW;
g_SampleTick_High = TSP_TIMER_CNT_HIGH;
// Set Divider MUX for Timer3
switch(TSP_TIMER_DIVIDER)
{
case 1:
g_pPWMReg->TCFG1 = (g_pPWMReg->TCFG1 & ~(0xf<<12)) | (0<<12);
break;
case 2:
g_pPWMReg->TCFG1 = (g_pPWMReg->TCFG1 & ~(0xf<<12)) | (1<<12);
break;
case 4:
g_pPWMReg->TCFG1 = (g_pPWMReg->TCFG1 & ~(0xf<<12)) | (2<<12);
break;
case 8:
g_pPWMReg->TCFG1 = (g_pPWMReg->TCFG1 & ~(0xf<<12)) | (3<<12);
break;
case 16:
g_pPWMReg->TCFG1 = (g_pPWMReg->TCFG1 & ~(0xf<<12)) | (4<<12);
break;
default:
g_pPWMReg->TCFG1 = (g_pPWMReg->TCFG1 & ~(0xf<<12)) | (0<<12);
break;
}
g_pPWMReg->TCNTB3 = g_SampleTick_Low;
// timer3 interrupt disable
//g_pPWMReg->TINT_CSTAT &= ~(1<<3); // Do not use OR/AND operation on TINTC_CSTAT
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) & ~TIMER3_INTERRUPT_ENABLE;
// 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;
TSPMSG((_T("[TSP] --TSP_PowerOn()\r\n")));
}
static VOID
TSP_SampleStart(VOID)
{
// timer3 interrupt status clear, Do not use OR/AND operation on TINTC_CSTAT directly
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) | TIMER3_PENDING_CLEAR;
// timer3 interrupt enable, Do not use OR/AND operation on TINTC_CSTAT directly
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) | TIMER3_INTERRUPT_ENABLE;
STOP_TIMER3(g_pPWMReg);
UPDATE_TCNTB3(g_pPWMReg);
NOUPDATE_TCNTB3(g_pPWMReg);
SET_TIMER3_AUTORELOAD(g_pPWMReg);
START_TIMER3(g_pPWMReg);
}
static VOID
TSP_SampleStop(VOID)
{
//TSPMSG((_T("[TSP] ++TSP_SampleStop()\r\n")));
g_pPWMReg->TCON &= ~(0xf<<16); // Timer3 stop
// timer3 interrupt disable
//g_pPWMReg->TINT_CSTAT &= ~(1<<3); // Do not use OR/AND operation on TINTC_CSTAT
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) & ~TIMER3_INTERRUPT_ENABLE;
// 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;
//TSPMSG((_T("[TSP] --TSP_SampleStop()\r\n")));
}
static VOID
TSP_SampleStart(VOID)
{
//TSPMSG((_T("[TSP] ++TSP_SampleStart()\r\n")));
// 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;
// timer3 interrupt enable
//g_pPWMReg->TINT_CSTAT |= (1<<3); // Do not use OR/AND operation on TINTC_CSTAT
g_pPWMReg->TINT_CSTAT = TINT_CSTAT_INTMASK(g_pPWMReg->TINT_CSTAT) | TIMER3_INTERRUPT_ENABLE;
g_pPWMReg->TCON &= ~(0xf<<16); // Timer3 Stop
g_pPWMReg->TCON |= (1<<17); // update TCNTB3
g_pPWMReg->TCON &= ~(1<<17);
g_pPWMReg->TCON |= ((1<<19)|(1<<16)); // AutoReload mode, Timer3 Start
//TSPMSG((_T("[TSP] --TSP_SampleStart()\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")));
}
