HT1621B段码 LCD屏驱动 51单片机驱动程序

2019-04-15 13:54发布

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逻辑图左边三段数字是温度显示 右边两位是湿度 下面是完整的程序 （io口模拟spi发送数据写给ram）个人理解 水平有限 头文件 lcd.h#ifndef __LCD__H__ #define __LCD__H__ #include #include #define uchar unsigned char #define uint unsigned int #define NOP _nop_();_nop_();_nop_();_nop_();_nop_();_nop_() sbit DATA=P1^0; sbit W_R=P1^1; sbit CS=P1^3; /*************************/ uchar num_data[]; //char flag; char cache[]; void initial(); void Write_Bits(uchar buffer,uchar i); void tran_data(uchar *p); void wave(); void delay(uchar);void witre_clear();void write_data_by_8bit(uchar num,uchar ad); void Write_Temperature(uint t,uchar p1,uchar t46);//温度显示 void Write_Humidity(uint h ,uchar t3);//湿度显示 void Write_Mode(uchar a,uchar m);//AUTO//Manual 模式 void Write_Wifi(uchar h);//wifi显示 void Write_Water(uchar w);//缺水显示 void Write_Level(uchar s7,uchar s14,uchar s21); //风力档位 void Show_cache();//将显存写入HT1621的ram #endif

源文件#include #include #include"lcd.h" uchar num_data[]={0xf5,0x05,0xb6,0x97,0x47,0xd3,0xf3,0x85,0xf7,0xd7};//0到9的字库 char cache[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};///显存数组 char flag=1 ; void initial() { CS=0; DATA=1; wave(); //command mode命令模式 配置HT1621 DATA=0; wave(); DATA=0; wave(); Write_Bits(0x18, 8);//RC 256K Write_Bits(0x00, 8); Write_Bits(0x01, 8);//turn on system oscilator Write_Bits(0x03, 8);//turn on bias generator Write_Bits(0x29, 8);//1/3 bias 4 commons// 1/2 bias 3 commons//0x04 // tran_inst(0xe0); //turn on lcd output CS=1; } void write_data_by_8bit(uchar p,uchar ad) { unsigned char i,address=((ad*2)<<2);///对应ram地址 两个4位一写 CS=0; DATA=1;wave();//数据模式 DATA=0;wave(); DATA=1;wave(); for(i=0;i<6;i++)////6位地址 { DATA=((address&0x80)==0x80); wave(); address<<=1; } Write_Bits(p,8); //delay(4); CS= 1; } void Write_Bits(uchar buffer,uchar j) //按j位写数据 { uchar i; for(i=0;i                cache[2]=cache[2]|(1<<3); cache[3]=cache[3]&~(1<<3); cache[0]=cache[0]|(1<<3); } else { flag=0; cache[2]=cache[2]&~(1<<3); cache[3]=cache[3]&~(1<<3); cache[0]=cache[0]&~(1<<3); } } void Write_Humidity(uint h,uchar t3)//写两位湿度 T3 % { unsigned char a0,a1; a1=(h/10)%10;/////// a0=h%10;//////////// if(flag) cache[3]=num_data[a1]|(1<<3); else cache[3]=num_data[a1]&~(1<<3); cache[4]=num_data[a0]; if(t3==1) cache[4]=cache[4]|(1<<3); else cache[4]=cache[4]&~(1<<3); } void Write_Mode(uchar a,uchar m)// if(a==1) cache[5]=cache[5]|(1<<6); else cache[5]=cache[5]&~(1<<6); if(m==1) cache[5]=cache[5]|(1<<7); else cache[5]=cache[5]&~(1<<7); } void Write_Wifi(uchar h);// void Write_Water(uchar w)// { if(w==1) cache[7]=cache[7]|(1<<3); else cache[7]=cache[7]&~(1<<3); } void Write_Level(uchar s7,uchar s14,uchar s21)//S7/S14/S21 第几个叶子代表档位 1单叶 2双叶 0:灭 单页和双叶循环转动 { if(s7==1){ cache[7]=cache[7]|(1<<1); cache[7]=cache[7]|(1<<2); cache[7]=cache[7]|(1<<4); cache[7]=cache[7]|(1<<6); cache[7]=cache[7]&~(1<<0); cache[7]=cache[7]&~(1<<5); cache[7]=cache[7]&~(1<<7); } else if(s7==2){ cache[7]=cache[7]|(1<<1); cache[7]=cache[7]|(1<<0); cache[7]=cache[7]|(1<<5); cache[7]=cache[7]|(1<<7); cache[7]=cache[7]&~(1<<2); cache[7]=cache[7]&~(1<<4); cache[7]=cache[7]&~(1<<6); } else{ cache[7]=cache[7]&~(1<<1); cache[7]=cache[7]&~(1<<2); cache[7]=cache[7]&~(1<<0); cache[7]=cache[7]&~(1<<4); cache[7]=cache[7]&~(1<<5); cache[7]=cache[7]&~(1<<6); cache[7]=cache[7]&~(1<<7); } ////////////////////////////// if(s14==1){ cache[6]=cache[6]|(1<<1); cache[6]=cache[6]|(1<<2); cache[6]=cache[6]|(1<<4); cache[6]=cache[6]|(1<<6); cache[6]=cache[6]&~(1<<0); cache[6]=cache[6]&~(1<<5); cache[6]=cache[6]&~(1<<3); } else if(s14==2){ cache[6]=cache[6]|(1<<1); cache[6]=cache[6]|(1<<0); cache[6]=cache[6]|(1<<5); cache[6]=cache[6]|(1<<3); cache[6]=cache[6]&~(1<<2); cache[6]=cache[6]&~(1<<4); cache[6]=cache[6]&~(1<<6); } else{ cache[6]=cache[6]&~(1<<1); cache[6]=cache[6]&~(1<<2); cache[6]=cache[6]&~(1<<0); cache[6]=cache[6]&~(1<<4); cache[6]=cache[6]&~(1<<5); cache[6]=cache[6]&~(1<<6); cache[6]=cache[6]&~(1<<3); } ///////////////////////////////////// if(s21==1){ cache[5]=cache[5]|(1<<2); cache[5]=cache[5]|(1<<4); cache[5]=cache[5]|(1<<1); cache[6]=cache[6]|(1<<7);// cache[5]=cache[5]&~(1<<0); cache[5]=cache[5]&~(1<<5); cache[5]=cache[5]&~(1<<3); } else if(s21==2){ cache[5]=cache[5]|(1<<2); cache[5]=cache[5]&~(1<<4); cache[5]=cache[5]&~(1<<1); cache[6]=cache[6]&~(1<<7);// cache[5]=cache[5]|(1<<0); cache[5]=cache[5]|(1<<5); cache[5]=cache[5]|(1<<3); } else{ cache[5]=cache[5]&~(1<<2); cache[5]=cache[5]&~(1<<4); cache[5]=cache[5]&~(1<<1); cache[6]=cache[6]&~(1<<7);// cache[5]=cache[5]&~(1<<0); cache[5]=cache[5]&~(1<<5); cache[5]=cache[5]&~(1<<3); } } void Show_cache() { unsigned int j; for(j=0;j<8;j++) { write_data_by_8bit(cache[j], j); } }
main.c#include #include #include"lcd.h" void main() { unsigned long h=0,i=0; CS=1; W_R=0; initial();//³õʼ»¯ ÉèÖÃlcd witre_clear(); while(1) { i++;h++; Write_Temperature(i,1,1);// Write_Humidity(h,1);//***********// Write_Mode(0,0); Write_Water(1); Write_Level(1,1,1); if(i>=1000) i=0; if(h>=100) h=0; Show_cache(); delay(10);//500ms Write_Temperature(i,1,2); Write_Humidity(h,0); Write_Mode(1,1); Write_Water(0); Write_Level(2,2,2); Show_cache(); delay(10); } }

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