很丰富的ADS1.2环境下S3C2440裸机例程

#include "2440addr.h" #include "Phoenix_lib.h" ///////////////////////////////////////////////////////////// //From here,the followed are common functions // ////////////////公共函数//////////////// ///////////////////////////////////////////////////////////// void delay(unsigned int time) { while(time--); } ///////////////////////////////////////////////////////////// //From here,the followed functions are for getting RTC time// ////////////////RTC函数//////////////// ///////////////////////////////////////////////////////////// void rtc_init(void) { rRTCCON=0x1;//使RTC可操作 } char get_year(void) { return (rBCDYEAR/16*10+rBCDYEAR%16); } char get_month(void) { return (rBCDMON/16*10+rBCDMON%16); } char get_day(void) { return (rBCDDAY/16*10+rBCDDAY%16); } char get_week(void) { return (rBCDDATE/16*10+rBCDDATE%16); } char get_hour(void) { return (rBCDHOUR/16*10+rBCDHOUR%16); } char get_min(void) { return (rBCDMIN/16*10+rBCDMIN%16); } char get_sec(void) { return (rBCDSEC/16*10+rBCDSEC%16); } ///////////////////////////////////////////////////////////// //From here,the followed functions are for LCD// ////////////////LCD函数//////////////// ///////////////////////////////////////////////////////////// volatile unsigned short LCD_BUF1[240][320];//LCD_BUF1 //LCD_NUM[0-15][*]=0-F,LCD_NUM[16][*]="/", //LCD_NUM[17][*]=":",LCD_NUM[18][*]="X",LCD_NUM[19][*]="Y" unsigned char LCD_NUM[20][16]={ //0-f CODE 0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18,0x00,0x00, 0x00,0x00,0x00,0x10,0x70,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x10,0x7C,0x00,0x00, 0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x04,0x04,0x08,0x10,0x20,0x42,0x7E,0x00,0x00, 0x00,0x00,0x00,0x3C,0x42,0x42,0x04,0x18,0x04,0x02,0x02,0x42,0x44,0x38,0x00,0x00, 0x00,0x00,0x00,0x04,0x0C,0x14,0x24,0x24,0x44,0x44,0x7E,0x04,0x04,0x1E,0x00,0x00, 0x00,0x00,0x00,0x7E,0x40,0x40,0x40,0x58,0x64,0x02,0x02,0x42,0x44,0x38,0x00,0x00, 0x00,0x00,0x00,0x1C,0x24,0x40,0x40,0x58,0x64,0x42,0x42,0x42,0x24,0x18,0x00,0x00, 0x00,0x00,0x00,0x7E,0x44,0x44,0x08,0x08,0x10,0x10,0x10,0x10,0x10,0x10,0x00,0x00, 0x00,0x00,0x00,0x3C,0x42,0x42,0x42,0x24,0x18,0x24,0x42,0x42,0x42,0x3C,0x00,0x00, 0x00,0x00,0x00,0x18,0x24,0x42,0x42,0x42,0x26,0x1A,0x02,0x02,0x24,0x38,0x00,0x00, 0x00,0x00,0x00,0x10,0x10,0x18,0x28,0x28,0x24,0x3C,0x44,0x42,0x42,0xE7,0x00,0x00, 0x00,0x00,0x00,0xF8,0x44,0x44,0x44,0x78,0x44,0x42,0x42,0x42,0x44,0xF8,0x00,0x00, 0x00,0x00,0x00,0x3E,0x42,0x42,0x80,0x80,0x80,0x80,0x80,0x42,0x44,0x38,0x00,0x00, 0x00,0x00,0x00,0xF8,0x44,0x42,0x42,0x42,0x42,0x42,0x42,0x42,0x44,0xF8,0x00,0x00, 0x00,0x00,0x00,0xFC,0x42,0x48,0x48,0x78,0x48,0x48,0x40,0x42,0x42,0xFC,0x00,0x00, 0x00,0x00,0x00,0xFC,0x42,0x48,0x48,0x78,0x48,0x48,0x40,0x40,0x40,0xE0,0x00,0x00, //"/" CODE 0x00,0x00,0x01,0x02,0x02,0x04,0x04,0x08,0x08,0x10,0x10,0x20,0x20,0x40,0x40,0x00, //: CODE 0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00,0x00,0x00,0x18,0x18,0x00,0x00, //X CODE 0x00,0x00,0x00,0xE7,0x42,0x24,0x24,0x18,0x18,0x18,0x24,0x24,0x42,0xE7,0x00,0x00, //Y CODE 0x00,0x00,0x00,0xEE,0x44,0x44,0x28,0x28,0x10,0x10,0x10,0x10,0x10,0x38,0x00,0x00}; void Lcd_Init()//这个不多说了，参考LCD试验的注释、initialize { rGPCUP=0x0; rGPCCON=0xaaaa56a9;// 0xaaaa02a9; rGPDUP=0x0; rGPDCON=0xaaaaaaaa; //Initialize VD[15:8] rLCDCON1=(7<<8)|(0<<7)|(3<<5)|(12<<1)|0; rLCDCON2=(3)|(15<<24)|((240-1)<<14)|(12<<6); //VFPD rLCDCON4=(13<<8)|30; rLCDCON3=(36<<19)|((320-1)<<8)|(20);//HFPD=20 rLCDCON5=(0<<7)|(1<<11)|(0<<1)|(0<<3)|(1)|(1<<9)|(1<<8)|(0<<6)|(1<<10)|(0<<4); rLCDSADDR1=(((unsigned int)LCD_BUF1>>22)<<21)|(((unsigned int)LCD_BUF1>>1)&0x1fffff); rLCDSADDR2=((((unsigned int)LCD_BUF1+(320*2*240))>>1)&0x1fffff); rLCDSADDR3=(0<<11)|320; rLCDINTMSK|=3; // MASK LCD Sub Interrupt rTPAL=0; // Disable Temp Palette rLCDCON1|=1; // ENVID=ON;控制信号输出使能 } void Lcd_Paint(unsigned char Red,unsigned char Green,unsigned char Blue) { int i,j; for(i=0;i<240;i++) for(j=0;j<320;j++) LCD_BUF1[i][j]=(Red<<11)|(Green<<6)|(Blue); } //x、y为像素值,0-9直接写，"/"=10,":"=11,"x"=12,"y"=13.大小8X16像素 void Draw_Char(int x,int y,unsigned char num) { int i,j; for(i=y*16;i<y*16+16;i++) for(j=x*8;j<x*8+8;j++) { if((LCD_NUM[num][i-y*16])&(1<<(7-(j-x*8)%8))) LCD_BUF1[i][j]=30<<11; else LCD_BUF1[i][j]=20; } } ///////////////////////////////////////////////////////////// //From here,the followed functions are for ADC//////// ////////////////ADC函数//////////////// ///////////////////////////////////////////////////////////// void adc_init(unsigned char channel) { rADCCON=(1<<14)|(24<<6)|((channel&7)<<3)|(1<<1)|(1); } int adc_read() { return (rADCDAT0&0x3ff); } ///////////////////////////////////////////////////////////// //From here,the followed functions are for Touch panel// ////////////////触摸板函数//////////////// ///////////////////////////////////////////////////////////// int x_data,y_data,x_ad,y_ad;//前两个存坐标值，后两个存得到的ad值 //这四个存坐标转换用的AD值，这是大概值，随时更新，有更到边缘的就更新。 int x_min=135,y_min=80,x_max=910,y_max=950; //从ad值到坐标转换 void ad_to_coordinate() { x_data=240*(x_ad-135)/(910-135); y_data=320*(y_ad-80)/(950-80); } //触摸屏中断，触摸中断和ad转换中断 void __irq touch_int() { if(rSUBSRCPND&(BIT_SUB_TC))//for touch interrupt { rADCTSC=0x0c;//触摸中断后，转为连续xy坐标转换 rADCCON|=0x1;//开始 ClearSubPending(BIT_SUB_TC);//请中断，注意顺序，参看我的寄存器分析 } else//for ad change interrupt {//ad转换完了 x_ad=(rADCDAT0&0x3ff); y_ad=(rADCDAT1&0x3ff); //更新最值 if(x_ad>x_max) x_max=x_ad; if(x_ad<x_min) x_min=x_ad; if(y_ad>y_max) y_max=y_ad; if(y_ad<y_min) y_min=y_ad; ad_to_coordinate(); rADCTSC=0xd3;//回等待模式 ClearSubPending(BIT_SUB_ADC); } ClearPending(0x80000000);//清除中断标志SRCPND } void touch_adc_init() { pISR_ADC=(unsigned int)touch_int;//触摸屏中断函数 rADCCON=(1<<14)|(24<<6)|(1); rADCDAT0=0x0&(1<<14); rADCDAT1=0x0&(1<<14); rADCTSC=0xd3; rADCDLY=65000;//delay some time when pen down; rINTMSK &=0x7fffffff;//the ADC interrupt is enabled rINTSUBMSK &=~((1<<9)|(1<<10)); }