全局图：放大图：CODE:includereg52h>sbitdula=P2^6;sbitwela=P2^7;voidmain(){wela=1;P0=0x00;wela=0;dula=1;P0
********************ADDA之间转换********************includereg52h>defineuintunsignedintdefineucharuns
includereg52h>defineucharunsignedchardefineuintunsignedintsbitbeep=P1^7;bitstartflag;定义一个扫描开始标
includereg52h>defineucharunsignedchardefineuintunsignedint**************1602部分******************s
includereg52h>defineuintunsignedintdefineucharunsignedcharsbitIR=P3^2;红外接口标志sbitRS=P1^0;sbitR
*注：4X4矩阵接P3口*includereg52h>includestdioh>includeintrinsh>defineucharunsignedchardefineuintu
*本程序使用普中开发板调试*includereg52h>includeintrinsh>defineuintunsignedintdefineucharunsignedchardefine
