LCM.rar_菜单

一、 实验目标：在LCM上实现二级菜单的编写 二、源程序： #include <iom16.h> #include<intrinsics.h> #define uchar unsigned char #define uint unsigned int uchar aa,bb,cc,dd,q,p,loop; //------------------------------- #define SET_BIT(x,y) (x|=(1<<y)) #define CLR_BIT(x,y) (x&=~(1<<y)) #define GET_BIT(x,y) (x&(1<<y)) #define PB0 0 #define PB1 1 #define PB2 2 #define PB3 3 #define PB4 4 #define PB5 5 #define PB6 6 #define PB7 7 //---------------引脚电平的宏定义 #define RS_1 SET_BIT(PORTB,PB0) #define RS_0 CLR_BIT(PORTB,PB0) #define RW_1 SET_BIT(PORTB,PB1) #define RW_0 CLR_BIT(PORTB,PB1) #define EN_1 SET_BIT(PORTB,PB2) #define EN_0 CLR_BIT(PORTB,PB2) #define CS1_1 SET_BIT(PORTB,PB3) #define CS1_0 CLR_BIT(PORTB,PB3) #define CS2_1 SET_BIT(PORTB,PB4) #define CS2_0 CLR_BIT(PORTB,PB4) #define RST_1 SET_BIT(PORTB,PB5) #define RST_0 CLR_BIT(PORTB,PB5) //====================================== #define DataPort PORTA //端口定义，双向数据总线。 #define xtal 8 //------------------------------------- void Delay_1ms(void) //1mS延时子函数 { uint i; for(i=1;i<(uint)(xtal*143-2);i++); } //==================================== void Delay_nms(uint n) //n*1mS延时子函数 { uint i=0; while(i<n) {Delay_1ms(); i++; } } /*********************************************/ void SCN1(void) { if(GET_BIT(PIND,4)==0) { Delay_nms(10); if(GET_BIT(PIND,4)==0) { q++; if(q>3)q=0; switch(q) { case 0:dd=1;bb=cc=aa=0;break; case 1:aa=1;bb=cc=dd=0;break; case 2:bb=1;aa=cc=dd=0;break; case 3:cc=1;aa=bb=dd=0;break; default:break; } } } Delay_nms(220); } /*********************************************/ void SCN3(void) { if(GET_BIT(PIND,6)==0) { Delay_nms(10); if(GET_BIT(PIND,6)==0) { p=0; Delay_nms(200); } } } /**********函数声明列表*************/ void Delay_1ms(void); void Delay_nms(uint n); void wcode(uchar c,uchar sel_l,uchar sel_r); void wdata(uchar c,uchar sel_l,uchar sel_r); void set_startline(uchar i); void set_xy(uchar x,uchar y); void dison_off(uchar o); void reset(void); void m16_init(void); void lcd_init(void); void lw(uchar x, uchar y, uchar dd); void SCN1(void); void SCN2(void); void SCN3(void); void display_tu1(uchar fb); void display_tu2(uchar fb); void display_tu3(uchar fb); void display_tu4(uchar fb); __flash uchar tu1[]; __flash uchar tu2[]; __flash uchar tu3[]; __flash uchar tu4[]; void display_hz(uchar x, uchar y, uchar n, uchar fb); __flash uchar hz[]; /*************主函数*************/ void main(void) { uchar loop; lcd_init(); aa=bb=cc=dd=0; while(1) { for(loop=0;loop<8;loop++) {display_hz(2*loop,0,loop,aa);} for(loop=0;loop<8;loop++) {display_hz(2*loop,2,loop+8,bb);} for(loop=0;loop<8;loop++) {display_hz(2*loop,4,loop+16,cc);} for(loop=0;loop<8;loop++) {display_hz(2*loop,6,loop+24,dd);} SCN1(); if(GET_BIT(PIND,5)==0) { Delay_nms(10); if(GET_BIT(PIND,5)==0) { if(aa==1)display_tu1(0);Delay_nms(200); if(bb==1)display_tu2(0);Delay_nms(200); if(cc==1)display_tu3(0);Delay_nms(200); if(dd==1)display_tu4(0);Delay_nms(200); p=1; while(p) { SCN3(); } } } } } /*----------ATMEGA16L初始化子函数。-------*/ void m16_init(void) { PORTA=0x00; DDRA=0xff; PORTB=0x00; DDRB=0xff; PORTD=0xff; DDRD=0x07; } /*---------------判LCM忙子函数---------------*/ void lcd_busy(void) { uchar val; RS_0;__no_operation();__no_operation(); RW_1;__no_operation();__no_operation(); DataPort=0x00; while(1) { EN_1;__no_operation(); __no_operation(); DDRA=0x00; val=PINA; if(val<0x80) break; EN_0;__no_operation(); __no_operation(); } DDRA=0xff; EN_0;__no_operation();__no_operation(); } /*--------------写指令到LCM子函数---------------*/ void wcode(uchar c,uchar sel_l,uchar sel_r) { if(sel_l==1)CS1_1; else CS1_0; __no_operation();__no_operation(); if(sel_r==1)CS2_1; else CS2_0; __no_operation();__no_operation(); lcd_busy(); RS_0;__no_operation();__no_operation(); RW_0;__no_operation();__no_operation(); DataPort=c; EN_1;__no_operation();__no_operation(); EN_0;__no_operation();__no_operation(); } /*---------------写数据到LCM子函数-------------*/ void wdata(uchar c,uchar sel_l,uchar sel_r) { if(sel_l==1)CS1_1; else CS1_0; __no_operation();__no_operation(); if(sel_r==1)CS2_1; else CS2_0; __no_operation();__no_operation(); lcd_busy(); RS_1;__no_operation();__no_operation(); RW_0;__no_operation();__no_operation(); DataPort=c; EN_1;__no_operation();__no_operation(); EN_0;__no_operation();__no_operation(); } /*根据x、y地址定位，将数据写入LCM左半屏或右半屏的子函数*/ void lw(uchar x, uchar y, uchar dd) { if(x>=64) { set_xy(x-64,y); wdata(dd,0,1); } else { set_xy(x,y); wdata(dd,1,0); } } /*---------------设定起始行子函数--------------*/ void set_startline(uchar i) { i=0xc0+i; wcode(i,1,1); } /*---------定位x方向、y方向的子函数-----------*/ void set_xy(uchar x,uchar y) { x=x+0x40; y=y+0xb8; wcode(x,1,1); wcode(y,1,1); } /*---------------屏幕开启、关闭子函数--------------*/ void dison_off(uchar o) { o=o+0x3e; wcode(o,1,1); } /*---------------复位子函数---------------*/ void reset(void) { RST_0; Delay_nms(10); RST_1; Delay_nms(10); } /*--------------LCM初始化子函数-------------*/ void lcd_init(void) { uchar x,y; reset(); set_startline(0); dison_off(0); for(y=0;y<8;y++) { for(x=0;x<128;x++)lw(x,y,0); } dison_off(1); } /*---------------显示图片1的子函数--------------*/ void display_tu1(uchar fb) { uchar i,dx,n; for(n=0;n<8;n++) { for(i=0;i<128;i++) { dx=tu1[i+n*128]; if(fb)dx=255-dx; lw(i,n,dx); } } } /*---------------显示图片2的子函数--------------*/ void display_tu2(uchar fb) { uchar i,dx,n; for(n=0;n<8;n++) { for(i=0;i<128;i++) { dx=tu2[i+n*128]; if(fb)dx=255-dx; lw(i,n,dx); } } } /*---------------显示图片3的子函数--------------*/ void display_tu3(uchar fb) { uchar i,dx,n; for(n=0;n<8;n++) { for(i=0;i<128;i++) { dx=tu3[i+n*128]; if(fb)dx=255-dx; lw(i,n,dx); } } } /*---------------显示图片4的子函数--------------*/ void display_tu4(uchar fb) { uchar i,dx,n; for(n=0;n<8;n++) { for(i=0;i<128;i++) { dx=tu4[i+n*128]; if(fb)dx=255-dx; lw(i,n,dx); } } } /****************************图片2的点阵码表*********************************/ __flash uchar tu2[]= { 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xBF,0xDF,0xE