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1、LCD12864_ST7920_driver1LCD12864_ST7920_driver1/-/ 文件名：LCD_ST7920_driver.h/ 说明： LCD_ST7920 驱动头文件/ 功能： LCD_ST7920 液晶驱动，实现基本读写功能及显示字符、字符串、自定义符号功能/ 使用方法： 1.设置管脚分配/ 2.main 函数初始化相应管脚方向/ 3.调用 Init_LCD12864();完成初始化设置（包括自定义符号）/ 4.调用LCD_disp_one_char、LCD_disp_list_char 显示字符/ 5.自定义符号请修改 LCD_driver.c 中Init_LCD1
2、2864 函数/ 运行平台： AVR 8bit (M128 已验证)/ 依存关系： LCD_driver.c/ 移植人： 刘大川/ 最后修改： 2008-6-4/-#ifndef _LCD_ST7920_DRIVER_H_#define _LCD_ST7920_DRIVER_H_/ 定义控制口线#define CTLPORT PORTD /模拟总线用了 PD 口的 PD5,PD6,PD7#define CTLDDR DDRD/控制口线口线方向寄存器#define LCD_RS 5 / pin-5 on CTLPORT#define LCD_RW 6 / pin-6 on CTLPORT#def
3、ine LCD_E 7 / pin-7 on CTLPORT#define SET_LCD_E CTLPORT|=(1LCD_E) / LCD: E = 1#define CLR_LCD_E CTLPORTvoid LCD_write_command(unsigned char WCLCM);unsigned char LCD_read_data(void);unsigned char LCD_read_status(void);/功能性函数/初始化 LCD12864void Init_LCD12864(void);/清字符void LCD_clear_char(void);/清图形void
4、LCD_clear_GDRAM(void);/清全部void LCD_clear_all(void);/字符指针定位到 X,Y（为字符坐标，4 行 8 列）void LCD_Goto(unsigned char X,unsigned char Y);/造字/void LCD_add_my_signs(unsigned char ascii,unsigned char *z);/显示一个字符void LCD_disp_one_char(unsigned char X, unsigned char Y, unsigned int DData);/显示字符串void LCD_disp_list_ch
5、ar(unsigned char X, unsigned char Y, char *DData);/显示整屏字符void LCD_disp_screen_char(char *line0,char *line1,char *line2,char *line3);/文字反白void LCD_reverse_list_char(unsigned char X,unsigned char Y,unsigned char len,unsigned char reverse);/画图void LCD_draw_pic(unsigned char X, unsigned char Y, unsigned
6、 char x_len, unsigned char y_len, unsigned char *Image,unsigned char flash);/画点void LCD_draw_pixel(unsigned char X,unsigned char Y,unsigned char color);/画水平垂直线void LCD_draw_linex(unsigned char x_start,unsigned char x_end,unsigned char y_pos,unsigned char color);void LCD_draw_liney(unsigned char y_start,unsigned char y_end,unsigned char x_pos,unsigned char color);#endif
