S3C2440-触摸屏
程序仍在调试中#include "2440addr.h"#include "Font_Libs.h"//垂直同步信号的脉宽、后肩和前肩 #define VSPW 15 #define VBPD 3 #define VFPD 5 //水平同步信号的脉宽、后肩和前肩 #define HSPW 8 #define HBPD 58 #define HFPD 15 #define CLKVAL 10 #define HOZVAL 319 #define LINEVAL 239 #define PWREN 1 #define MMODE 0 #define PNRMODE 3 #define BPPMODE 13 #define INVVCLK 0 #define INVVD 0 #define INVVDEN 0 #define U32 unsigned int #define M5D(n) ((n) & 0x1fffff) #define PAGEWIDTH 320 #define OFFSIZE 0 #define LCD_XSIZE 320 #define LCD_YSIZE 240 #define SCR_XSIZE 320 #define SCR_YSIZE 240 #define INVVLINE1 #define INVVFRAME 1 #define BPP24BL 0 #define BSWP 0 #define HWSWP 0 #define U32 unsigned int#define U8 unsigned charunsigned char iic_buffer; U32 length, A, B, C, D, E, F, K, FlagTc, xx , yy, i;U32 x, y; unsigned char add, word; int cmd, flag, count, command, fuck, fucker; volatile U32 LCD_BUFFER; volatile int xdata, ydata;void delay(int a) { int k; for(k=0;k<a;k++) ; }void Paint_background(U32 c){ unsigned int i, j; for(j = 0; j < LCD_YSIZE; j++) for(i = 0; i < LCD_XSIZE; i++) LCD_BUFFER = c; }void DrawCircle(U32 x, U32 y, U32 r, U32 c){int i, j;for(j = 0; j < LCD_YSIZE; j++)for(i = 0; i < LCD_XSIZE; i++){if(((i-x)*(i-x)+(j-y)*(j-y))< r*r)LCD_BUFFER = c;}}void __irq ADC_ISR(void){//rADCDLY = 500000;if(rSUBSRCPND&(0x1<<9)){if(rADCDAT0 & 0x8000){DrawCircle(200, 200, 5, 0xFF0000);rADCTSC = 0xd3;}else{//Paint_background(0xff0000);DrawCircle(100, 100, 5, 0xFF0000);FlagTc = 1;rADCTSC &= 0xf0;rADCTSC |= (0x1<<3)|(0x1<<2); //设置自动转换模式，上拉禁止，无操作模式rADCDLY = 500000;rADCCON |= 0x1;}}elseif(rSUBSRCPND&(0x1<<10)){DrawCircle(150, 150, 5, 0x0);fuck = 1;xdata = rADCDAT0&0x3ff;ydata = rADCDAT1&0x3ff;rADCTSC = 0xd3;rADCTSC |= 0x1<<8;}rSUBSRCPND |= 0x1<<9;rSUBSRCPND |= 0x1<<10;rINTSUBMSK &= ~((0x1<<9)|(0x1<<10));rINTPND |= 0x1<<31;rSRCPND |= 0x1<<31;rINTMSK &= ~(0x1<<31);}void __irq IIC_ISR(void){ rSRCPND |= 0x1<<27; rINTPND |= 0x1<<27; flag = 0; } void wrat24c02(unsigned char add,unsigned char word, U32 length){ int i; flag = 1; Paint_background(0xff0000); rIICDS = 0xa0; //dev add rIICCON &= ~(0x1<<4); //清中断 rIICSTAT = 0xf0; //主发送模式，写开始信号输出，IIC Rx/Tx使能 //等待ACK，接收器在接受到8位数据后，在第9个时钟周期，拉低SDA电平，然后会产生中断 while(flag == 1) delay(100); flag = 1; rIICDS = word; //word add 发送要写入的数据的内存其实地址 rIICCON &= ~(0x1<<4); while(flag) delay(100); //注意要有delay for(i = 0; i < length; i++){ flag = 1; rIICDS = iic_buffer; rIICCON &= ~(0x1<<4); while(flag) delay(100); } rIICCON = 0xe0; //IIC应答有效，IICCLK=fpclk/512,IIC接受发送中断使能位 rIICSTAT = 0xd0; //主发送模式，rIICCON和rIICSTAT配置好，方便下次使用 } void rdat24c02(unsigned char add, unsigned char word, U32 length){ int i; char temp; flag = 1; rIICDS = add; //dev add rIICCON &= ~(0x1<<4); rIICSTAT = 0xf0; while(flag) delay(100); flag = 1; rIICDS = word; //word add rIICCON &= ~(0x1<<4); while(flag) delay(100); flag = 1; //这里的IIC的随机读操作，根据IIC的随机读时序，先发启动，要读取的设备地址和写的内存地址，方向是写,即0，重启IIC， //发要读取的设备地址，这次方向是读，然后接到ACK，从机向主机发data，主机相应ACK，直到最后一个data，主机不相应ACK， //发送停止信号 rIICDS = add; //dev add rIICSTAT = 0xb0; //改变方向为主接收 rIICCON &= ~(0x1<<4); while(flag) delay(100); flag = 1; temp = rIICDS; rIICCON &= ~(0x1<<4); while(flag) delay(100); for(i = 0; i < length; i++){ flag = 1; if(i == (length - 1)){ rIICCON &= ~(0x1<<7); } iic_buffer = rIICDS; rIICCON &= ~(0x1<<4); while(flag) delay(100); } rIICCON = 0xd0; rIICSTAT = 0x90; delay(200); } void Init_LCD(){ rLCDCON1=(CLKVAL<<8)|(MMODE<<7)|(PNRMODE<<5)|(BPPMODE<<1)|0; //设置CLKVAL，VCLK=HCLK/[(CLKVAL+1)*2],决定VM的触发方式，选择显示模式和BPP模式，暂时不要开启LCD，因为还没有设置好 rLCDCON2=(VBPD<<24)|(LINEVAL<<14)|(VFPD<<6)|(VSPW); //rLCDCON2，rLCDCON3和rLCDCON4主要设置时序 rLCDCON3=(HBPD<<19)|(HOZVAL<<8)|(HFPD); rLCDCON4=(HSPW); rLCDCON5 = (BPP24BL<<12) | (INVVCLK<<10) | (INVVLINE<<9) | (INVVFRAME<<8) | (0<<7) | (INVVDEN<<6) | (PWREN<<3)|(BSWP<<1) | (HWSWP); //INVVLINE和INVVFRAME需要进行翻转，因为CPU发出的是正脉冲，LCD使用的是负脉冲，所以要改变极性，PWREN使能电源信号 rLCDSADDR1=(((U32)LCD_BUFFER>>22)<<21)|M5D((U32)LCD_BUFFER>>1); rLCDSADDR2=M5D(((U32)LCD_BUFFER+(SCR_XSIZE*SCR_YSIZE*4))>>1 ); rLCDSADDR3=PAGEWIDTH*32/16; rLCDINTMSK|=(3); rTCONSEL = 0; rGPCUP = 0x0; rGPDCON = 0xaaaaaaaa; rGPCCON = 0xaaaa02a9; rGPDUP = 0x0; rGPGUP=rGPGUP&(~(1<<4))|(1<<4); rGPGCON=rGPGCON&(~(3<<8))|(3<<8); rLCDCON1 |= 1; //使能数据输出和LCD控制信号 } void DrawCross(U32 x, U32 y, U32 c){int i;for(i = x - 15; i < x + 16; i++)LCD_BUFFER = c;for(i = y - 15; i < y + 16; i++)LCD_BUFFER = c;}void Paint_Ascii(U32 x, U32 y, U32 color, unsigned char ch[]){ int i, j, test; for(i = 0; i < 16; i++){ test = 0x80; for(j = 0; j < 8; j++){ if(test & ch) LCD_BUFFER = color; test >>= 1; } } } void WtIic(U32 data, U32 wordadd){iic_buffer = (U8)(data&0xff);iic_buffer = (U8)((data>>8)&0xff);iic_buffer = (U8)((data>>16)&0xff);iic_buffer = (U8)((data>>24)&0xff);wrat24c02(0xa0,wordadd,4);}U32 rdIic(U32 wordadd){U32 data;rdat24c02(0xa0,wordadd,4);data = iic_buffer|(iic_buffer<<8)|(iic_buffer<<16)|(iic_buffer<<24);return data;}void revise(){int i;DrawCross(24,32,0xFF00FF);Paint_Ascii(32, 40, 0xFF00FF, &__ASCII['1'*16]);DrawCross(210,160,0xFF00FF);Paint_Ascii(218, 168, 0xFF00FF, &__ASCII['2'*16]);DrawCross(120,288,0xFF00FF);Paint_Ascii(128, 296, 0xFF00FF, &__ASCII['3'*16]);for(i = 0; i < 3; i++){while(FlagTc == 0)delay(500);//Paint_background(0xff0000);x = xdata;y = ydata;FlagTc = 0;//if(i == 0)Paint_background(0xff0000);//if(i == 2)Paint_background(0x0);}//Paint_background(0xff0000);/*K = (x-x)*(y-y)-(x-x)*(y-y);A = (24-120)*(y-y)-(210-120)*(y-y);B = (x-x)*(210-120)-(24-120)*(x-x);C = y*(x*210-x*120)+y*(x*120-x*24)+y*(x*24-x*210);D = (32-288)*(y-y)-(160-288)*(y-y);E = (x-x)*(160-288)-(32-288)*(x-x);F = y*(x*160-x*288)+y*(x*288-x*32)+y*(x*32-x*160);*/K=(x-x)*(y-y)-(x-x)*(y-y);A=(32-288)*(y-y)-(160-288)*(y-y);B=(x-x)*(160-288)-(32-288)*(x-x);C=y*(x*160-x*288)+y*(x*288-x*32)+y*(x*32-x*160);D=(24-120)*(y-y)-(210-120)*(y-y);E=(x-x)*(210-120)-(24-120)*(x-x);F=y*(x*210-x*120)+y*(x*120-x*24)+y*(x*24-x*210);//}int Main(){ count = 0;fuck = 0;Init_LCD();rSRCPND |= (0x1<<31)|(0x1<<27);rINTPND |= (0x1<<31)|(0x1<<27);rINTMSK &= ~((0x1<<31)|(0x1<<27));rSUBSRCPND |= (0x1<<9)|(0x1<<10);rINTSUBMSK &= ~((0x1<<9)|(0x1<<10));rADCTSC = 0xd3;rADCDLY = 50000;rADCCON = (1<<14)|(10<<9);rGPECON = 0xa0000000;rGPEUP = 0xc000;rIICCON = 0xe0;rIICSTAT = 0x10;pISR_ADC = (U32)ADC_ISR;pISR_IIC = (U32)IIC_ISR; Paint_background(0xffffff); for(i = 0; i < 8; i++) iic_buffer = 0xff; revise(); /*rdat24c02(0xa0,0x0,1); //revise(); if(iic_buffer != 0xc7){ revise(); //Paint_background(0x0); //Paint_background(0xff0000); iic_buffer = 0xc7; wrat24c02(0xa0,0x0,1); Paint_background(0xff0000); WtIic(A,0x10); delay(500); WtIic(B,0x20); delay(500); WtIic(C,0x30); delay(500); WtIic(D,0x40); delay(500); WtIic(E,0x50); delay(500); WtIic(F,0x60); delay(500); } else{ A = rdIic(0x10); delay(500); B = rdIic(0x20); delay(500); C = rdIic(0x30); delay(500); D = rdIic(0x40); delay(500); E = rdIic(0x50); delay(500); F = rdIic(0x60); delay(500); }*/ //Paint_background(0x0); delay(9999); Paint_background(0xffffff); while(1){ if(FlagTc == 1){ //delay(10000); xx = (A * xdata + B * ydata + C) / K; yy = (D * xdata + E * ydata + F) / K; DrawCircle(xx, yy, 5, 0xFF0000); FlagTc = 0; } delay(100000); } /* while(1){ if(FlagTc == 1){ xx = (A * xdata + B * ydata + C) / K; yy = (D * xdata + E * ydata + F) / K; DrawCircle(xx, yy, 5, 0xFF0000); FlagTc = 0; } delay(1000000); }*/ //while(1); }
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