LCD12864+51单片机仿真,为啥12864的全部引脚一起闪烁?

ID:1070075 · 发表于 2023-12-14 17:40

#include <reg51.h>//应该是清屏失败了#define uchar unsigned char #define uint unsigned int#define lcdrow 0xc0 //起始列#define lcdpage 0xb8 //起始页#define lcdcolumn 0x40 //起始列//#define c_page_max 0x08 //页数最大值 8//#define c_column_max 0x40 //列数最大值 64#define bus P0sbit rst=P2^0;sbit e=P2^2;sbit rw=P2^3;sbit rs=P2^4;sbit cs1=P2^5;sbit cs2=P2^6;void delayms(uint);void delayus10(void);void select(uchar);void send_cmd(ucahr);void send_data(uchar);void clear_screen(void);void initial(void); void display_zf(uchar,uchar,uchar,uchar); void display_hz(uchar,uchar,uchar,uchar); void display(void);void CheckState(void);uchar code table_zf[]={// P0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//R0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//00xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//T0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,// E0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//U0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//文字:S0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00};//汉字表//宋体12;此字体下对应的点阵为:宽X高=16X16//取模方式:纵向取模下高位，从上到下，从左到右取模uchar code table_hz[]={//文字:电0x00,0x00,0xF8,0x48,0x48,0x48,0x48,0xFF,0x48,0x48,0x48,0x48,0xF8,0x00,0x00,0x00,0x00,0x00,0x0F,0x04,0x04,0x04,0x04,0x3F,0x44,0x44,0x44,0x44,0x4F,0x40,0x70,0x00,//文字:子0x00,0x00,0x02,0x02,0x02,0x02,0x02,0xE2,0x12,0x0A,0x06,0x02,0x00,0x80,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x41,0x81,0x7F,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00, //设 0x40,0x41,0xCE,0x04,0x00,0x80,0x40,0xBE,0x82,0x82,0x82,0xBE,0xC0,0x40,0x40,0x00,0x00,0x00,0x7F,0x20,0x90,0x80,0x40,0x43,0x2C,0x10,0x10,0x2C,0x43,0xC0,0x40,0x00,//文字:计0x20,0x21,0x2E,0xE4,0x00,0x00,0x20,0x20,0x20,0x20,0xFF,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x7F,0x20,0x10,0x08,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,//文字:与0x00,0x00,0x00,0x00,0x7E,0x48,0x48,0x48,0x48,0x48,0x48,0x48,0x48,0xCC,0x08,0x00,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x24,0x46,0x44,0x20,0x1F,0x00,0x00,//文字:创0x40,0x20,0xD0,0x4C,0x43,0x44,0x48,0xD8,0x30,0x10,0x00,0xFC,0x00,0x00,0xFF,0x00,0x00,0x00,0x3F,0x40,0x40,0x42,0x44,0x43,0x78,0x00,0x00,0x07,0x20,0x40,0x3F,0x00,//文字:新0x20,0x24,0x2C,0x35,0xE6,0x34,0x2C,0x24,0x00,0xFC,0x24,0x24,0xE2,0x22,0x22,0x00,0x21,0x11,0x4D,0x81,0x7F,0x05,0x59,0x21,0x18,0x07,0x00,0x00,0xFF,0x00,0x00,0x00,//文字:的0x00,0xF8,0x8C,0x8B,0x88,0xF8,0x40,0x30,0x8F,0x08,0x08,0x08,0x08,0xF8,0x00,0x00,0x00,0x7F,0x10,0x10,0x10,0x3F,0x00,0x00,0x00,0x03,0x26,0x40,0x20,0x1F,0x00,0x00,//文字:最0x40,0x40,0xC0,0x5F,0x55,0x55,0xD5,0x55,0x55,0x55,0x55,0x5F,0x40,0x40,0x40,0x00,0x20,0x20,0x3F,0x15,0x15,0x15,0xFF,0x48,0x23,0x15,0x09,0x15,0x23,0x61,0x20,0x00,//文字:佳0x40,0x20,0xF0,0x1C,0x47,0x4A,0x48,0x48,0x48,0xFF,0x48,0x48,0x4C,0x68,0x40,0x00,0x00,0x00,0xFF,0x00,0x40,0x44,0x44,0x44,0x44,0x7F,0x44,0x44,0x46,0x64,0x40,0x00,//文字:平0x00,0x01,0x05,0x09,0x71,0x21,0x01,0xFF,0x01,0x41,0x21,0x1D,0x09,0x01,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xFF,0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x00,//文字:台0x00,0x00,0x40,0x60,0x50,0x48,0x44,0x63,0x22,0x20,0x20,0x28,0x70,0x20,0x00,0x00,0x00,0x00,0x00,0x7F,0x21,0x21,0x21,0x21,0x21,0x21,0x21,0x7F,0x00,0x00,0x00,0x00};void mian(){ CheckState(); initial(); display(); clear_screen(); display(); while(1);}void CheckState(void) //状态检查，LCD是否忙？{ rs=0; rw=1; e=1; //仅当第7位为0时才可操作(判别busy信号) while((bus&0x80)==0x80); e=0;}void delayus10(void){ uchar i=5; while(--i);}void delayms(uint j){ uchar i=250; for(;j>0;j--) { while(--i); i=249; while(--i);i=250;}}//屏幕选择-Cs=0选择双屏,cs=1选择左半屏,cs=2选择右半屏 //void select(uchar cs)void select(uchar cs){ if(cs==0) cs1=0,cs2=0; else if(cs==1) cs1=0,cs2=1; else cs1=1,cs2=0;}void send_cmd(uchar cmd) //写命令函数{ CheckState(); rs=0;rw=0;bus=cmd;delayus10();e=1;e=0;}void send_data(uchar dat) //写数据函数{ CheckState(); rs=1;rw=0;bus=dat;delayus10();e=1;e=0;}void clear_screen(void) //清屏函数{ uchar c_page,c_column; select(0); for(c_page=0;c_page<0x08;c_page++) { send_cmd(c_page+lcdpage); send_cmd(lcdcolumn); for(c_column=0;c_column<0x40;c_column++) { send_data(0x00); } }}void initial() //LCD初始化{ CheckState(); select(0); rst=0;delayms(10);rst=1; clear_screen(); send_cmd(lcdrow); send_cmd(lcdcolumn); send_cmd(lcdpage); send_cmd(0x3f);}//写字符，c_page为当前页，c_column为当前列，num为字符数，//offset为所取字符在显示缓冲区中的偏移单位void display_zf(uchar c_page,uchar c_column,uchar num,uchar offset){uchar c1,c2,c3; //这里将uchar改为了uintfor(c1=0;c1<num;c1++){ for(c2=0;c2<2;c2++) { for(c3=0;c3<8;c3++) { send_cmd(lcdpage+c_page+c2); //lcdpage是起始页，一页八行，一共8页 send_cmd(lcdcolumn+c_column+c1*8+c3); //lcdolumn是起始列,加当前列，再加 send_data(table_zf[(c1+offset)*16+c2*8+c3]); // } }}}//写汉字，C_page为当前页,C_

ID:1070075 · 发表于 2023-12-14 17:41

/写字符，c_page为当前页，c_column为当前列，num为字符数，//offset为所取字符在显示缓冲区中的偏移单位void display_zf(uchar c_page,uchar c_column,uchar num,uchar offset){uchar c1,c2,c3; //这里将uchar改为了uintfor(c1=0;c1<num;c1++){ for(c2=0;c2<2;c2++) { for(c3=0;c3<8;c3++) { send_cmd(lcdpage+c_page+c2); //lcdpage是起始页，一页八行，一共8页 send_cmd(lcdcolumn+c_column+c1*8+c3); //lcdolumn是起始列,加当前列，再加 send_data(table_zf[(c1+offset)*16+c2*8+c3]); // } }}}//写汉字，C_page为当前页,C__column为当前列，num为字符数，//offset为所取汉字在显示缓冲区中的偏移单位void display_hz(uchar c_page,uchar c_column,uchar num,uchar offset){uchar c1,c2,c3;for(c1=0;c1<num;c1++){ for(c2=0;c2<2;c2++) { for(c3=0;c3<16;c3++) { send_cmd(lcdpage+c_page+c2); send_cmd(lcdcolumn+c_column+c1*16+c3); send_data(table_hz[(c1+offset)*32+c2*16+c3]); } } } }void display(void){ select(1); display_zf(0,40,3,0); display_hz(2,0,4,0); display_hz(4,32,2,8); delayus10(); select(2); display_zf(0,0,4,3); display_hz(2,0,4,4); display_hz(4,0,2,10);}