按键检测方法处理不同事件的对比,所有按键都以PIC16F505的RC4为输入端口作为例子。方法1：Voidscan(){if(RC4==0){Delay(50);if(RC4==0){n
端口自己修改一下用的1602液晶显示includereg52h>includeintrinsh>defineucharunsignedchardefineuintunsignedintsb
1、时序图2、代码3、自定义字符时序图代码:includereg51h>includeintrinsh>sbitRS=P2^4;定义端口sbitRW=P2^5;sb
