touch.c

ucCos移植到广州友善nano2410

#include <string.h>

#include "..\inc\2410addr.h"
#include "..\inc\2410lib.h"
#include "..\inc\Ts.h"
#include "..\inc\def.h"
#include "..\inc\glib.h"
#include "..\inc\lcddrive.h"
#include "..\inc\font.h"

#define REQCNT 30
#define ADCPRS 9	//YH 0627
#define LOOP 1

void __irq AdcTsAuto(void);

volatile int Ymax,Ymin,Xmin,Xmax;

int count=0;
int Ts_Index=0;
volatile int xdata, ydata;

void Test_Touchpanel(void)
{
    Xmax = 950;
    Ymax = 950;
    Xmin = 30;
    Ymin = 30;
     
    rADCDLY=50000;                  //Normal conversion mode delay about (1/3.6864M)*50000=13.56ms
    rADCCON=(1<<14)+(ADCPRS<<6);   //ADCPRS En, ADCPRS Value

    Uart_Printf("ADC touch screen test\n");

    rADCTSC=0xd3;  //Wfait,XP_PU,XP_Dis,XM_Dis,YP_Dis,YM_En

    pISR_ADC = (int)AdcTsAuto;
	rINTMSK &=~(BIT_ADC);       //ADC Touch Screen Mask bit clear
	rINTSUBMSK&=~(BIT_SUB_TC);

	Uart_Printf("\nType any key to exit!!!\n");
	Uart_Printf("\nStylus Down, please...... \n");
	Uart_Getch();

	rINTSUBMSK|=BIT_SUB_TC;
	rINTMSK|=BIT_ADC;
	Uart_Printf("Touch Screen Test is Finished!!!\n");

}


void __irq AdcTsAuto(void)
{
	int i;
	char fail = 0;
	U32 saveAdcdly;
	int temp;
	
    if(rADCDAT0&0x8000)
    {
		//Uart_Printf("\nStylus Up!!\n");
		rADCTSC&=0xff;	// Set stylus down interrupt bit
    }
    //else 
		//Uart_Printf("\nStylus Down!!\n");

	rADCTSC=(1<<3)|(1<<2);        //Pull-up disable, Seq. X,Y postion measure.
	saveAdcdly=rADCDLY;
	rADCDLY=40000;                 //Normal conversion mode delay about (1/50M)*40000=0.8ms

	rADCCON|=0x1;                   //start ADC

	while(rADCCON & 0x1);		//check if Enable_start is low
	while(!(rADCCON & 0x8000));        //check if EC(End of Conversion) flag is high, This line is necessary~!!
		
    while(!(rSRCPND & (BIT_ADC)));  //check if ADC is finished with interrupt bit

    xdata=(rADCDAT0&0x3ff);
    ydata=(rADCDAT1&0x3ff);

	 //YH 0627, To check Stylus Up Interrupt.
	 rSUBSRCPND|=BIT_SUB_TC;
	 ClearPending(BIT_ADC);
	 rINTSUBMSK=~(BIT_SUB_TC);
	 rINTMSK=~(BIT_ADC);
			 
	 rADCTSC =0xd3;    //Waiting for interrupt
	 rADCTSC=rADCTSC|(1<<8); // Detect stylus up interrupt signal.

	 while(1)		//to check Pen-up state
	 { 
		 if(rSUBSRCPND & (BIT_SUB_TC))	//check if ADC is finished with interrupt bit
		 {
				//Uart_Printf("Stylus Up Interrupt~!\n");
				break;	//if Stylus is up(1) state
		 }
	 }	

    Uart_Printf("count=%03d  XP=%04d, YP=%04d\n", count++, xdata, ydata);    //X-position Conversion data            
	
	if((xdata<Xmin)|(xdata>Xmax)|(ydata<Ymin)|(ydata>Ymax)) //谅钎蔼捞 裹困 救俊 甸绢坷瘤 臼栏搁
    {	fail = 1;return; }
    	
    xdata =240*(Xmax-xdata)/(Xmax-Xmin);  // X- Position
    //ydata =320*(ydata-Ymin)/(Ymax-Ymin);
    ydata =320*(ydata-Ymin)/(Ymax-Ymin);
    
    temp =xdata;
    xdata = ydata;
    ydata = temp;
    
    
    //Index阑 傈开函荐肺 棱绊 矫胶袍 鸥捞赣俊辑 捞蔼阑 炼荤窍咯 阿 Stage嘎绰 悼累
    //角泅.
    
	if(xdata>260 && ydata>30 && xdata<310 && ydata<60)   Ts_Index=1;
	if(xdata>260 && ydata>80 && xdata<310 && ydata<110)  Ts_Index=2;
	if(xdata>260 && ydata>130 && xdata<310 && ydata<160) Ts_Index=3;
	if(xdata>260 && ydata>180 && xdata<310 && ydata<210) Ts_Index=4;
	
	switch(Ts_Index)
	{
		case 1:
			Lcd_PutString("1锅" ,10,40);
			break;
		case 2:
			Lcd_PutString("2锅", 10,60);
			break;
		case 3:
			Lcd_PutString("3锅", 10,80);
			break;
		case 4:
			Lcd_PutString("4锅", 10,80);
			break;
		default:
			break;	
	}
		
    Uart_Printf(" XY-Position is (%04d,%04d)\n",xdata,ydata);
    
	rADCDLY=saveAdcdly; 
	rADCTSC=rADCTSC&~(1<<8); // Detect stylus Down interrupt signal.
    rSUBSRCPND|=BIT_SUB_TC;
    rINTSUBMSK=~(BIT_SUB_TC);	// Unmask sub interrupt (TC)     
    ClearPending(BIT_ADC);
}