IIC.rar_LPC2148 IIC

/* \\\|/// \\ - - // ( @ @ ) +---------------------oOOo-(_)-oOOo-------------------------+ | | | TFT018.c | | by Xiaoran Liu | | 2008.3.16 | | | | ZERO research group | | www.the0.net | | | | Oooo | +----------------------oooO--( )--------------------------+ ( ) ) / \ ( (_/ \_) */ // 引入相关芯片的头文件 #include <LPC214X.h> //#include "LPC2103Z.h" #include "TFT018.h" #include "MyType.h" volatile U8 Font=0; /*----------------------------------------------------------*\ | Backlight Initialize | \*----------------------------------------------------------*/ void BacklightOn(void) { PINSEL1 &= 0xFFFFF3FF; PINSEL1 |= 0x00000400; // 设置PWM5连接到P0.21管脚 PWMPR = 0x00; // 不分频，计数频率为Fpclk PWMMR0 = 50; // 设置PWM周期，PWMMR0=50 PWMMR5 = 6; // 设置PWM占空比，PWMMR2=49 PWMLER = 0x20; // PWMMR0、PWMMR5锁存，更新PWM占空比 PWMPCR = 0x2000; // 允许PWM5输出，单边PWM PWMTCR = 0x09; // 启动定时器，PWM使能 } /*----------------------------------------------------------*\ | Delay | \*----------------------------------------------------------*/ void Delay1Ms(unsigned int tmr) { while( tmr ) { unsigned int i; for(i=0;i<10;i++); tmr--; } } /*----------------------------------------------------------*\ | BUS simulate | \*----------------------------------------------------------*/ /* ------ LOW LEVEL OPERATE ------ */ void LCD_Bus_Initial( void ) { //PINSEL2 = 0x00000004; //SCS=0x03; //设置快速FGPIO //FIO0MASK = ~(LCD_BUS_RST | LCD_BUS_CS | LCD_BUS_RD); // 允许快速I/O IO0DIR = LCD_BUS_RST | LCD_BUS_CS | LCD_BUS_RD; //FIO1MASK = ~(LCD_BUS_RS | LCD_BUS_RW | LCD_BUS_DAT); // 允许快速I/O IO1DIR = LCD_BUS_RS | LCD_BUS_RW; IO0CLR = LCD_BUS_RST; Delay1Ms( 20 ); IO0SET = LCD_BUS_RST | LCD_BUS_CS | LCD_BUS_RD; IO1SET = LCD_BUS_RS | LCD_BUS_RW; } void LCD_Bus_Write_Byte( unsigned char Data ) { unsigned int d = (((unsigned int)Data)<<16) & LCD_BUS_DAT; IO1CLR = LCD_BUS_DAT; // data on bus IO1SET = d; //IO1PIN = ((unsigned int)Data)<<16; IO1CLR = LCD_BUS_RW; // RW to LOW //Delay1Ms( 1 ); IO1SET = LCD_BUS_RW; // RW to HIGH } void LCD_Bus_Write_Data( unsigned short Data ) { LCD_Bus_Write_Byte( Data>>8 ); LCD_Bus_Write_Byte( Data ); } unsigned int LCD_Bus_Read_Byte( void ) { unsigned int BusData; IO0CLR = LCD_BUS_RD; // RD to LOW BusData = IO1PIN; Delay1Ms( 1 ); IO0SET = LCD_BUS_RD; // RD to HIGH return (BusData>>16)&0xFF; } void LCD_Reg_Set(unsigned int Cmd,unsigned int Data) { IO1DIR |= LCD_BUS_DAT; IO0CLR = LCD_BUS_CS; IO0SET = LCD_BUS_RD; IO1CLR = LCD_BUS_RS; LCD_Bus_Write_Byte( Cmd ); IO1SET = LCD_BUS_RS; LCD_Bus_Write_Byte( Data ); IO0SET = LCD_BUS_CS; IO1DIR &= ~LCD_BUS_DAT; } /*----------------------------------------------------------*\ | LCD Initialize | \*----------------------------------------------------------*/ void LCD_Init( void ) { LCD_Bus_Initial(); //IOCLR = LCD_BUS_CS; //LCD_Reg_Set(0x01,0x00); //LCD_Reg_Set(0x02,0x06); //LCD_Reg_Set(0x02,0x46); LCD_Reg_Set(0x02,0x86); LCD_Reg_Set(0x03,0x00); LCD_Reg_Set(0x05,0x08); LCD_Reg_Set(0x07,0x7F); LCD_Reg_Set(0x08,0x17); // SRAM control LCD_Reg_Set(0x09,0x00); LCD_Reg_Set(0x10,0x00); LCD_Reg_Set(0x11,0x7F); LCD_Reg_Set(0x12,0x9F); LCD_Reg_Set(0x14,0x00); LCD_Reg_Set(0x16,0x9F); LCD_Reg_Set(0x17,0x01); LCD_Reg_Set(0x18,0x00); LCD_Reg_Set(0x19,0x00); // Gamma voltage adjustalbe level LCD_Reg_Set(0x21,0x88); LCD_Reg_Set(0x22,0x33); LCD_Reg_Set(0x23,0xCC); LCD_Reg_Set(0x24,0xCC); LCD_Reg_Set(0x25,0xBB); LCD_Reg_Set(0x26,0xBB); LCD_Reg_Set(0x27,0x77); LCD_Reg_Set(0x28,0x77); LCD_Reg_Set(0x29,0x77); LCD_Reg_Set(0x06,0xC7); } void LCD_SetArea( U8 x0, U8 y0, U8 x1, U8 y1 ) { // SRAM control LCD_Reg_Set(0x09,y0); LCD_Reg_Set(0x10,x0); LCD_Reg_Set(0x11,y1); LCD_Reg_Set(0x12,x1); LCD_Reg_Set(0x18,y0); LCD_Reg_Set(0x19,x0); } void LCD_Rectangle( unsigned short x0, unsigned short y0, unsigned short x1, unsigned short y1, unsigned int Data ) { int x,y; LCD_SetArea(x0,y0,x1,y1); IO1DIR |= LCD_BUS_DAT; IO0CLR = LCD_BUS_CS; IO0SET = LCD_BUS_RD; IO1SET = LCD_BUS_RS; for(x=0;x<=x1-x0;x++) for(y=0;y<=y1-y0;y++) { LCD_Bus_Write_Byte( Data>>8 ); LCD_Bus_Write_Byte( Data ); } IO0SET = LCD_BUS_CS; IO1DIR &= ~LCD_BUS_DAT; } void LCD_Clear_Screen( unsigned int Data ) { LCD_Rectangle(0,0,159,127, Data ); } void LCD_SetPixel(unsigned short x, unsigned short y, unsigned short color) { LCD_SetArea(x,y,x,y); IO1DIR |= LCD_BUS_DAT; IO0CLR = LCD_BUS_CS; IO0SET = LCD_BUS_RD; LCD_Bus_Write_Byte( color>>8 ); LCD_Bus_Write_Byte( color ); IO0SET = LCD_BUS_CS; IO1DIR &= ~LCD_BUS_DAT; } #include "8X16.h" void LCD_PutChar8x16(unsigned short x, unsigned short y, char c, unsigned int f, unsigned int b) { register unsigned int i,j; LCD_SetArea(x,y,x+8-1,y+16-1); IO1DIR |= LCD_BUS_DAT; IO0CLR = LCD_BUS_CS; IO0SET = LCD_BUS_RD; IO1SET = LCD_BUS_RS; for(i=0; i<16;i++) { unsigned char m=Font8x16[c*16+i]; for(j=0;j<8;j++) { if((m&0x80)==0x80) { LCD_Bus_Write_Byte(f>>8); LCD_Bus_Write_Byte(f); } else { LCD_Bus_Write_Byte(b>>8); LCD_Bus_Write_Byte(b); } m<<=1; } } IO0SET = LCD_BUS_CS; IO1DIR &= ~LCD_BUS_DAT; } #include "8X8h.h" void LCD_PutChar8x8(unsigned short x, unsigned short y, char c, unsigned int f, unsigned int b) { register unsigned int i,j; LCD_SetArea(x,y,x+8-1,y+8-1); IO1DIR |= LCD_BUS_DAT; IO0CLR = LCD_BUS_CS; IO0SET = LCD_BUS_RD; IO1SET = LCD_BUS_RS; for(i=0; i<8;i++) { unsigned char m=Font8x8[c][i]; for(j=0;j<8;j++) { if((m&0x80)==0x80) { LCD_Bus_Write_Byte(f>>8); LCD_Bus_Write_Byte(f); } else { LCD_Bus_Write_Byte(b>>8); LCD_Bus_Write_Byte(b); } m<<=1; } } IO0SET = LCD_BUS_CS; IO1DIR &= ~LCD_BUS_DAT; } void LCD_PutChar(unsigned short x, unsigned short y, char c, unsigned int f, unsigned int b) { if( Font ) LCD_PutChar8x8( x, y, c, f, b ); else LCD_PutChar8x16( x, y, c, f, b ); } void LCD_PutString(unsigned short x, unsigned short y, char *s, unsigned int f, unsigned int b) { register unsigned char l=0; while(*s) { LCD_PutChar(x+l*8,y,*s,f,b); s++;l++; } }