lcd.rar_JHD 162A_JHD-2_JHD1_jhd_jhd 12864

#include "Main.h" #include "lcd.h" #define lcdio P2 sbit lcd_rs = P0^5; sbit lcd_rw = P0^6; sbit lcd_en = P0^7; extern UCHAR idata lcd_data_line1[16]; extern UCHAR idata lcd_data_line2[16]; extern uchar lcd_cnt; void lcd_en_command(unsigned char command) { lcdio = command; lcd_rs = 0; lcd_rw = 0; lcd_en = 1; qdelay(0xf); lcd_en = 0; } void lcd_en_dat(unsigned char dat) { lcdio = dat; lcd_rs = 1; lcd_rw = 0; lcd_en = 1; qdelay(0xf); lcd_en = 0; } void lcd_set_xy( unsigned char x, unsigned char y ) { unsigned char address; if (y == line1) address = line1_head + x; else address = line2_head + x; lcd_en_command(address); } void lcd_write_char( unsigned char x,unsigned char y,unsigned char dat) { lcd_set_xy( x, y ); lcd_en_dat(dat); } /* void lcd_write_string(unsigned char x,unsigned char y,unsigned char *s) { lcd_set_xy( x, y ); //set address while (*s) // write character { lcdio=*s; lcd_en_dat(*s); s ++; } } */ void lcd_init(void) { lcd_en_command(fun_set); delay(0x10); lcd_en_command(0x0c); delay(0x10); lcd_en_command(clear_display); delay(0x10); lcd_en_command(0x04); delay(0x10); } void lcd_data(unsigned y, unsigned char *s) { uchar i; for (i = 0; i < 16; i++) { if (y == line1) lcd_data_line1[i]=*s; else lcd_data_line2[i]=*s; s ++; } } void lcd_display(void) { uchar i; if (lcd_cnt > 4) { lcd_cnt = 0; for (i = 0; i < 16; i++) { lcd_set_xy(i, line1); lcd_en_dat(lcd_data_line1[i]); lcd_set_xy(i, line2); lcd_en_dat(lcd_data_line2[i]); } } }