一个LCD菜单程序,有proteus仿真程序

/**************************************************************************************** 简单菜单程序,八个按键.使用AVR单片机.2008/3/24--2008/3/29 编译器为ICCAVR7.14.晶振7.3728M,单片机为ATmega16(用ATmega32在proteus中仿真不成功!) *****************************************************************************************/ #include <iom16v.h> #include <macros.h> #include <stdio.h> #include "menu.h" //所有变量定义以及函数声明均放在这个头文件里. #include "delay.h" #include "lcd_12864.h" #include "get_key.h" #define blueon PORTB|=(1<<PORTB5) #define blueoff PORTB&=~(1<<PORTB5) #define greenon PORTB|=(1<<PORTB6) #define greenoff PORTB&=~(1<<PORTB6) #define redon PORTB|=(1<<PORTB7) #define redoff PORTB&=~(1<<PORTB7) //SFR初始化. void main_init(void) { DDRA=0xff; //A口设置为输出. PORTA=0x00; DDRB=0xff; //B口设置为输出. PORTB=0x00; // ASSR&=~(1<<AS2); DDRC=0x00; //C口设置为输入. PORTC=0xff; //AVR没有上拉寄存器,在PORTC中写1即表示打开上拉了. DDRD=0x00; //D口设置为输入. PORTD=0xff; //打开D口上拉. } void main_menu_initial(void) //LED主菜单初始化. { main_menu[0].menu_count=3; //有三个菜单项. main_menu[0].display=blue; main_menu[0].subs=NULL; //点亮兰灯 main_menu[0].children_menus=blue_menu; main_menu[0].parent_menus=NULL; main_menu[1].menu_count=3; main_menu[1].display=green; //点亮绿灯 main_menu[1].subs=NULL; main_menu[1].children_menus=green_menu; main_menu[1].parent_menus=NULL; main_menu[2].menu_count=3; main_menu[2].display=red; //点亮红灯. main_menu[2].subs=openred; main_menu[2].children_menus=NULL; main_menu[2].parent_menus=NULL; } void blue_menu_initial(void) { blue_menu[0].menu_count=2; blue_menu[0].display=qr; //点亮兰灯,确认. blue_menu[0].subs=openblue; blue_menu[0].children_menus=NULL; blue_menu[0].parent_menus=main_menu; blue_menu[1].menu_count=2; blue_menu[1].display=qx; //取消. blue_menu[1].subs=closeblue; blue_menu[1].children_menus=NULL; blue_menu[1].parent_menus=main_menu; } void green_menu_initial(void) { green_menu[0].menu_count=2; green_menu[0].display=qr; //点亮绿灯---确认. green_menu[0].subs=opengreen; green_menu[0].children_menus=NULL; green_menu[0].parent_menus=main_menu; green_menu[1].menu_count=2; green_menu[1].display=qx; //----取消. green_menu[1].subs=closegreen; green_menu[1].children_menus=NULL; green_menu[1].parent_menus=main_menu; } void led_menu_pro(void) { max_item=menu_led->menu_count; switch(keyval) { case 0: break; case 1: //向上键. if(user_choosen==0) { user_choosen=max_item; } refresh=1; user_choosen--; break; case 2: //向下键. user_choosen++; if(user_choosen==max_item) { user_choosen=0; } refresh=1; break; case 3: //确认键. if(menu_led[user_choosen].subs!=NULL) { (*menu_led[user_choosen].subs)(); //执行函数. } if(menu_led[user_choosen].children_menus!=NULL) { temp_choosen=user_choosen; menu_led=menu_led[user_choosen].children_menus; user_choosen=0; } refresh=1; break; case 4: //返回键. if(menu_led[user_choosen].parent_menus!=NULL) { menu_led=menu_led[user_choosen].parent_menus; } refresh=1; break; default: break; } if(refresh) //是否需要刷新LCD标志位. { lcd_clr(); refresh=0; } led_menu_show(); } void led_menu_show(void) { uchar n; max_item=menu_led->menu_count; if (max_item>=3) //菜单项为3则表示为主菜单. { for(n=0;n<3;n++) { /*使同一数组元素图形宽度相同,即取最大的图形宽度,这里取96,在数组赋值时也要注意*/ draw_bmp(n*2,20,96,0,menu_led[n].display); } select_item(user_choosen); //标记出当前菜单项. } else { switch(temp_choosen) { case 0: draw_bmp(0,20,96,0,blue); break; case 1: draw_bmp(0,20,96,0,green); break; case 2: draw_bmp(0,20,96,0,red); break; default: break; } for(n=0;n<max_item;n++) { draw_bmp((n+1)*2,20,32,0,menu_led[n].display); } select_item(user_choosen+1); } } void select_item(uchar n) { draw_bmp(n*2,2,16,0,curflag); } void openblue(void) { blueon; greenoff; redoff; } void opengreen(void) { blueoff; greenon; redoff; } void openred(void) { blueoff; greenoff; redon; } void closeblue(void) { blueoff; } void closegreen(void) { greenoff; } /************************************************* 主程序. **************************************************/ void main(void) { main_init(); lcd_init(); lcd_clr(); draw_bmp(0,0,128,0,xtcsh); //函数调用形式为页,列,宽度,数据指针. draw_bmp(2,8,72,0,writeby); draw_bmp(4,56,32,1,jiangping); blueon; greenon; redon; delay_ms(3000); //延时3秒. lcd_clr(); blueoff; greenoff; redoff; main_menu_initial(); blue_menu_initial(); green_menu_initial(); while(1) { keyval=get_key(); //读键. led_menu_pro(); } }