pic16f917 段式LCD显示.doc

今天找了个段式液晶屏,写了一个小程序,总算对它有所了解.现在我把程序拿出来,希望对初学有所帮助,有不对的地方,请帮忙修正.#include #define unchar unsigned char#define unint unsigned int#define uchar unsigned char#define hao SEG0COM0#define one SEG1COM0#define F1 SEG2COM0#define A1 SEG3COM0#define F2 SEG4COM0#define A2 SEG5COM0#define F3 SEG6COM0#define A3 SEG7COM0#define F4 SEG8COM0#define A4 SEG9COM0#define F5 SEG10COM0#define A5 SEG11COM0#define T1 SEG12COM0#define NO SEG0COM1#define CK2 SEG1COM1#define G1 SEG2COM1#define B1 SEG3COM1#define G2 SEG4COM1#define B2 SEG5COM1#define G3 SEG6COM1#define B3 SEG7COM1#define G4 SEG8COM1#define B4 SEG9COM1#define G5 SEG10COM1#define B5 SEG11COM1#define T2 SEG12COM1#define TARE SEG0COM2#define CK1 SEG1COM2#define E1 SEG2COM2#define C1 SEG3COM2#define E2 SEG4COM2#define C2 SEG5COM2#define E3 SEG6COM2#define C3 SEG7COM2#define E4 SEG8COM2#define C4 SEG9COM2#define E5 SEG10COM2#define C5 SEG11COM2#define T3 SEG12COM2#define ZER0 SEG0COM3#define P1 SEG1COM3#define D1 SEG2COM3#define P2 SEG3COM3#define D2 SEG4COM3#define P3 SEG5COM3#define D3 SEG6COM3#define P4 SEG7COM3#define D4 SEG8COM3#define P5 SEG9COM3#define D5 SEG10COM3#define P6 SEG11COM3#define T4 SEG12COM3unsigned char t0,t1,t2,t3,t4,data;unsigned int cnt1,T;unsigned int key,cnt,dsp0;uchar flag0=0;uchar flag1=0;uchar flag2=0;uchar flag3=0;unchar a,b;unint c;/段码 unsigned char table=0x3F,0x06,0x5B,0x4F, 0x66,0x6D,0x7D,0x07, 0x7F,0x6F,0x00; void delay(unsigned int x) unsigned int y; for(y=x;-y;) continue; void initial()LCDCON=0x93; /使能LCD模块，休眠模式下使能LCD模块，使能LCD偏置电压引脚，1/4LCDPS=0xc1; /1/3偏置LCDSE0=0xFF; /段使能LCDSE1=0xff;LCDSE2=0x00;TRISE=0XFF;ADCON1=0X07;CMCON0=0X07;ANSEL=0X00;INTCON=0X00;GIE=1;T0IE=1;T0IF=0;TMR0=230; OPTION=0X87;dsp0=0;cnt=0;key=0;void keydsp() if(key=10)&(key=100)&(key=1000)&(key=10000)&(key=1; A1=CARRY; data=1; B1=CARRY; data=1; C1=CARRY; data=1; D1=CARRY; data=1; E1=CARRY; data=1; F1=CARRY; data=1; G1=CARRY; data=tablet3; data=1; A2=CARRY; data=1; B2=CARRY; data=1; C2=CARRY; data=1; D2=CARRY; data=1; E2=CARRY; data=1; F2=CARRY; data=1; G2=CARRY; data=tablet2; data=1; A3=CARRY; data=1; B3=CARRY; data=1; C3=CARRY; data=1; D3=CARRY; data=1; E3=CARRY; data=1; F3=CARRY; data=1; G3=CARRY; data=tablet1; data=1; A4=CARRY; data=1; B4=CARRY; data=1; C4=CARRY; data=1; D4=CARRY; data=1; E4=CARRY; data=1; F4=CARRY; data=1; G4=CARRY; data=tablet0; data=1; A5=CARRY; data=1; B5=CARRY; data=1; C5=CARRY; data=1; D5=CARRY; data=1; E5=CARRY; data=1; F5=CARRY; data=1; G5=CARRY; T0IF=0; TMR0=230;main() initial(); LCDDATA0=0XFF; /LCD ON LCDDATA1=0XFF; LCDDATA2=0XFF; LCDDATA3=0XFF; LCDDATA4=0XFF; LCDDATA5=0XFF; LCDDATA6=0XFF; LCDDATA7=0XFF; LCDDATA8=0XFF; LCDDATA9=0XFF; LCDDATA10=0XFF; LCDDATA11=0XFF; delay(50000); delay(50000); LCDDATA0=0X00; /LCD off LCDDATA1=0X00; LCDDATA2=0X00; LCDDATA3=0X00; LCDDATA4=0X00; LCDDATA5=0X00; LCDDATA6=0X00; LCDDATA7=0X00; LCDDATA8=0X00; LCDDATA9=0X00; LCDDATA10=0X00; LCDDATA11=0X00; delay(100); while(1) CK1=0; CK2=0; one=0; ZER0=0; TARE=0; P1=0; P2=0; P3=0; P4=1; P5=0; P6=0; T1=T2=T3=T4=0; NO=0; hao=0; while(1) if(RE0=0) break; while(1) if(RE1=0) flag0=1; flag1=0; if(RE1=1) break; while(1) if(RE2=0)&(RE1=1) flag1=1; flag0=0; if(RE2