单片机公交车报站系统源程序

voidClear();voidDelay(unsignedintt);voidWrite_com(unsignedchard);voidWrite_data(unsignedchard);unsignedcharRead_data();voidDisp_char(unsignedcharpos,unsignedchardat);voidDisp_word0(unsignedcharposx,unsignedchar*p,unsignedcharn);voidLcd_system(void);bithw_yima();voiddelay0(unsignedintt);voidDis