开关控制12864LCD串行模式显示

#include <reg52.h> #include <intrins.h> #define uint unsigned int #define uchar unsigned char #define Max_Page 6 #define DelayNOP() {_nop_();_nop_();_nop_();_nop_();} sbit CS = P2^3; sbit RES = P2^4; sbit SDA = P2^5; sbit SCLK = P2^6; sbit A0 = P2^7; sbit K1 = P1^5; sbit K2 = P1^6; sbit S1 = P1^7; uchar Auto_Flash; uchar Page_Idx; uchar Disp_Flag; uchar code Q[8]= { 0x00,0x5e,0x21,0x51,0x41,0x41,0x3e,0x00 }; uchar code Clip_BMP[1024]= { 0xff,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, }; void DelayMS(uint ms) { uchar i; while(ms--) { for(i=0;i<120;i++); } } void Write_Command(uchar c) { uchar i; SCLK = 0; CS = 0; A0 = 0; DelayNOP(); for(i=0;i<8;i++) { c<<=1; SDA = CY; SCLK = 1; DelayNOP(); SCLK = 0; } DelayNOP(); CS = 1; } void Write_Data(uchar d) { uchar i; SCLK = 0; CS = 0; A0 = 1; DelayNOP(); for(i=0;i<8;i++) { d<<=1; SDA = CY; SCLK = 1; DelayNOP(); SCLK = 0; } DelayNOP(); CS = 1; } void Init_LCD() { RES = 0; DelayMS(10); RES = 1; Write_Command(0xa2); Write_Command(0xa0); Write_Command(0xc8); Write_Command(0x27); Write_Command(0x81); Write_Command(0x1b); Write_Command(0x2c); Write_Command(0x2e); Write_Command(0x2f); Write_Command(0xa4); Write_Command(0xaf); } void Disp_All() { uchar i,j; Write_Command(0x40); for(i=0;i<8;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); for(j=0;j<128;j++) { Write_Data(0xff); } } } void Disp_Off() { uchar i,j; Write_Command(0x40); for(i=0;i<8;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); for(j=0;j<128;j++) { Write_Data(0x00); } } } void Disp_Frame() { uchar i,j; Write_Command(0x40); Write_Command(0xb0); Write_Command(0x10); Write_Command(0x00); Write_Data(0xff); for(j=0;j<126;j++) { Write_Data(0x01); } Write_Data(0xff); for(i=0;i<6;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); Write_Data(0xff); for(j=0;j<126;j++) { Write_Data(0x00); } Write_Data(0xff); } Write_Command(0xb7); Write_Command(0x10); Write_Command(0x00); Write_Data(0xff); for(j=0;j<126;j++) { Write_Data(0x80); } Write_Data(0xff); } void Disp_Checker0() { uchar i,j; Write_Command(0x40); for(i=0;i<8;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); for(j=0;j<64;j++) { Write_Data(0xaa); Write_Data(0x55); } } } void Disp_Checker1() { uchar i,j; Write_Command(0x40); for(i=0;i<8;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); for(j=0;j<64;j++) { Write_Data(0x55); Write_Data(0xaa); } } } void Disp_Q() { uchar i,j,k; Write_Command(0x40); for(i=0;i<8;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); for(j=0;j<16;j++) { for(k=0;k<8;k++) Write_Data(Q[k]); } } } void Disp_Clip() { uchar i,j; Write_Command(0x40); for(i=0;i<8;i++) { Write_Command(0xb0+i); Write_Command(0x10); Write_Command(0x00); for(j=0;j<128;j++) { Write_Data(Clip_BMP[i*128+j]); } } } void Do_Key() { P1 = 0xff; DelayMS(5); if(S1 == 0) Auto_Flash = 1; else Auto_Flash = 0; if(K1 == 0) { Disp_Flag = 1; Page_Idx++; if(Page_Idx >= Max_Page) Page_Idx = 0; } if(K2 == 0) { Disp_Flag = 1; if(Page_Idx > 0) { Page_Idx--; } else Page_Idx = Max_Page - 1; } DelayMS(100); } void main() { Auto_Flash = 1; Page_Idx = 0; Disp_Flag = 1; Init_LCD(); DelayMS(5); Disp_Off(); DelayMS(200); while(1) { Do_Key(); if(Disp_Flag == 1) { switch(Page_Idx) { case 0: Disp_All(); break; case 1: Disp_Frame(); break; case 2: Disp_Checker0(); break; case 3: Disp_Checker1(); break; case 4: Disp_Q(); break; case 5: Disp_Clip(); break; } Disp_Flag = 0; } if(Auto_Flash == 1) { Disp_Flag = 1; if(++Page_Idx >= Max_Page) Page_Idx = 0; DelayMS(1000); } } }