• queries
    I have a problem in c51 compiler. i got message as below Build target 'Target 1' compiling hgbmenu.c... HGBMENU.C(41): warning C280: 'check': unreferenced local variable linking... *** ERROR...
  • query
    sir i have developed my own header file in case of lpc2148 arm7 in keil software which is.. #include<lpc214x.h> void gpioset(int port,unsigned long set) { if(port==0) { IO0SET=set; } else {...
  • coding query
    hi can some one tell me wat does idata in the following line does?? unsigned char idata keypad[4][4]= { '1','2','3','/', '4','5','6','*', '7','8','9','-', 'Z','0','X','+',};
  • plz query
    sir , My simple program is LCD display using CX 51 is given below. In the program compiling peroid no other errors and warning are occured. But the obj file for those program stored in the microconroller...
  • ISR query
    Hello, We are working on 8051 project and the code size is large around 100 K with code banking. We are faceing some problem in our products, kindly give your valued suggestions. We are using...