EEPW论坛

最近翻出玩过的TILaunchPad，顺手连了一个12864屏，串连驱动，过年了，向EEPW示爱，，呵呵，，祝论坛马年火爆异常，，

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顺便贴出程序

#include  //#include"LCD12864P.h" #define uint unsigned int #define uchar unsigned char extern uchar LCD_table[];//0123456789 extern void delay_1ms(); extern void delay_nms(uint n); extern void Ini_Lcd(void); extern void Send(uchar type,uchar transdata);//0-写控制命令，1-写数据 extern void lcd_pos(uchar x,uchar y);//定位 extern void Disp_HZ(const uchar * pt,uchar num);//显示汉字 extern void Disp_SZ(uchar shuzi);//显示一个数字 #define BIT(x) (1 << (x)) #define uint unsigned int #define uchar unsigned char uchar LCD_table[]={0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};//0123456789 void Send(uchar type,uchar transdata); #define cyCS 0 //P1.0，片选信号 接屏4脚 #define cySID 1 //P1.1，串行数据 接屏5脚 #define cyCLK 2 //P1.2，同步时钟 接屏6脚 #define cyPORT P1OUT #define cyDDR P1DIR void delay_1ms() { uint i; for(i=0;i<1140;i++); } void delay_nms(uint n) { uint i = 0; for(i = n;i > 0;i--) delay_1ms(); } void Ini_Lcd(void) { cyDDR |= BIT(cyCLK) + BIT(cySID) + BIT(cyCS); //相应的位端口设置为输出 delay_nms(600); //延时等待液晶完成复位 Send(0,0x30); /*功能设置:一次送8位数据,基本指令集*/ delay_nms(10); Send(0,0x02); /*DDRAM地址归位*/ delay_nms(5); Send(0,0x0c); /*显示设定:开显示,不显示光标,不做当前显示位反白闪动*/ delay_nms(5); Send(0,0x01); /*清屏，将DDRAM的位址计数器调整为“00H”*/ delay_nms(500); Send(0,0x06); /*功能设置，点设定:显示字符/光标从左到右移位,DDRAM地址加1*/ delay_nms(10); } void Send(uchar type,uchar transdata)//0-写控制命令，1-写数据 { uchar firstbyte = 0xf8; uchar temp; uchar i,j = 3; if(type) firstbyte |= 0x02; cyPORT |= BIT(cyCS); cyPORT &= ~BIT(cyCLK); while(j > 0) { if(j == 3) temp = firstbyte; else if(j == 2) temp = transdata&0xf0; else temp = (transdata << 4) & 0xf0; for(i = 8;i > 0;i--) { if(temp & 0x80) cyPORT |= BIT(cySID); else cyPORT &= ~BIT(cySID); cyPORT |= BIT(cyCLK); temp <<= 1; cyPORT &= ~BIT(cyCLK); } //三个字节之间一定要有足够的延时，否则易出现时序问题 if(j == 3) delay_nms(1); else delay_nms(1); j--; } cyPORT &= ~BIT(cySID); cyPORT &= ~BIT(cyCS); } void lcd_pos(uchar x,uchar y)//定位 { uchar pos; switch(x) { case 1:pos=0x80;break; case 2:pos=0x90;break; case 3:pos=0x88;break; case 4:pos=0x98;break; default:pos=0x80; } pos += y; Send(0,pos); } void Disp_HZ(const uchar * pt,uchar num)//显示汉字 { uchar i; for(i = 0;i < (num*2);i++) Send(1,*(pt++)); } void Disp_SZ(uchar shuzi)//显示一个数字 { Send(1,LCD_table[shuzi]); } void main() { WDTCTL = WDTPW + WDTHOLD; Ini_Lcd(); lcd_pos(1,1); Disp_HZ("EEPW论坛新年好",7); lcd_pos(3,2); Disp_HZ("马年火爆",4); lcd_pos(2,3); Disp_SZ(2); Disp_SZ(0); Disp_SZ(1); Disp_SZ(4); lcd_pos(4,1); Disp_HZ("LED",4); lcd_pos(4,3); Disp_HZ("版块祝贺",4); while(1); }