文档详情

Atmega2560 按键功能 程序(国外英文资料).doc

发布:2017-06-08约7.25千字共35页下载文档
文本预览下载声明
Atmega2560 按键功能 程序(国外英文资料) # include mega2560.h # include delay.h 无符号字符显示[10]= { 0 xc0,0 xf9 0 xa4 0 xb0,0 x99 0 x92 0 x82 0 xf8 0 x80 0 x90 }; int i = 0,j = 0,c1 = 0,c2 = 0,c3 = 0,关键= 0,k1 = 0,k2 = 0,转k6 = 0,k0 = 0; int s1 = 0,s2 = 0,s3 = 0,s4 = 0,z,c、v = 0; 空白显示(int x) { 为(z = 0;z 120;z + +) { 如果((i = = 0) (我! = x)){ PORTB = 0 xf8;PORTD =显示(s1);} else if((我= = 1) (我! = x)){ PORTB = 0 xf4;PORTD =显示(s2);} else if((我= = 2) (我! = x)){ PORTB = 0 xf2;PORTD =显示(s3);} else if((我= = 3) (我! = x)){ PORTB = 0 xf1;PORTD =显示(s4);} delay_ms(1); } } 空白display1() { 为(z = 0;z 120;z + +) { 如果(i = = 0){ PORTB = 0xF8;PORTD = show[s1];} else if(i = = 1){ PORTB = 0XF4;PORTD = show[s2] else if(i = = 2){ PORTB = 0XF2;PORTD = show[s3] else if(i = = 3){ PORTB = 0XF1;PORTD = show[s4]; delay_ms(1); } } 空白skey() { 为(c = 0;c 120;c++) { / * PA.0口检测按键是否按下* / 如果((PINA.0 = = 0) (k0 = = 0)) { c1 + +; 如果(c1 20) { c1 = 0; k0 = 1; } } 如果((PINA.0 = = 0) (k0 = = 1)) { c2 + +; 如果(c2 20) { c2 = 0; k0 = 2; } } 如果((PINA.0 = = 0) (k0 = = 2)v + +; 如果((v 80) (PINA.0 = = 1) (k0 = = 2)) { c3 + +; 如果(c3 20) { 键= 1; c3 = 0; k0 = 0; v = 0; 打破; } } 如果(v = 80) (PINA.0 = = 1) (k0 = = 2)) { c3 + +; 如果(c3 20) { c1 = 0; c2 = 0; c3 = 0; k0 = 3; v = 0; 打破; } } / *检测PA.1口按键是否按下* / 如果((PINA.1 = = 0) (k1 = = 0)) { c1 + +; 如果(c1 20) { c1 = 0; k1 = 1; } } 如果((PINA.1 = = 0) (k1 = = 1)) { c2 + +; If (c2 20) { C2 = 0; K1 = 2; } } If ((PINA. 1 = = 1) (k1 = = 2)) { C3 + +; If (c3 20) { K1 = 3; C3 = 0; Break; } } / * test PA. 2 button press * / If ((PINA. 2 = = 0) and (k2 = = 0)) { C1 + +; If (c1 20) { C1 = 0; K2 = 1; } } If ((PINA. 2 = = 0) and (k2 = = 1)) { C2 + +; If (c2 20) { C2 = 0; K2 = 2; } } If ((PINA. 2 = = 1) and (k2 = = 2)) { C3 + +; If (c3 20) { K2 = 3; C3 = 0; Break; } } / * test PA. 6 button press * / If ((PINA. 6 = = 0)) { C1 + +; If (c1 20) { C1 = 0; K6 = 1; } } If ((PINA. 6 = = 0). { C2 + +; If (c2 20) { C2 = 0; K6 = 2; } } If (PINA. 6 = = 1) { C3 + +; If (c3 20) { K6 = 3; C3 = 0; Break; } } }
显示全部
相似文档