＃i nclude<pic.h> //__CONFIG(3F39H); #define RS RA1 #define RW RA2 #define E RA3 #define STA7 RC7 int temp; void LCD_init(void); void LCD_ORDER(int,int); void LCD_DATA(int); void Delay(void); void LCD_BuysC(void); void display(int,int,int); void delaynop(int); void delaynop(int i) { while(--i); } void LCD_init() { TRISC=0x00; LCD_ORDER(0x01,0); LCD_ORDER(0x38,0); LCD_ORDER(0x0F,0); LCD_ORDER(0x06,0); LCD_ORDER(0x80,0); /* PORTC=temp; RS=1; RW=0; E=1; asm("nop"); asm("nop"); E=0;*/ } void LCD_BuysC() { RS=0; RW=1; E=0; NOP(); TRISC7=1; E=1; while(RC7==1 ) { RS=0; RW=1; E=0; NOP(); E=1; } TRISC=0x00; } void LCD_ORDER(int order,int BuysC) { RS=0; RW=0; PORTC=order; E=1; asm("nop"); asm("nop"); E=0; delaynop(5000); } void LCD_DATA(int dat) { PORTC=dat; RS=1; RW=0; E=1; asm("nop"); asm("nop"); E=0; delaynop(5000); } void Delay(void) { int TempCyc = 1552; while(--TempCyc); } void display(int x,int y,int dat) { y&=0x01; x&=0x0f; if(y) x|=0x40; x|=0x80; LCD_ORDER(x,0); LCD_DATA(dat); } void main() { temp='3'; ADCON1=0X07; TRISC=0x00; TRISA1=0; TRISA2=0; TRISA3=0; Delay(); LCD_init(); display(1,1,temp); while(1); } 此帖出自小平头技术问答