• State Not Answered
  • Locked Locked
  • Replies 1 reply
  • Subscribers 19 subscribers
  • Views 614 views
  • Users 0 members are here
Options
How was your experience today?
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

serial program from sample not works in debug

Masood Aslam

I am using following sample code for serial, but in debug serial window accept input but output from programme is not showing in serial.
Also If i only enable REN=1; beside of SCON=0x50; then it shows in serial window output
Please Help me in this regards

#include "reg_c51.h"
char uart_data;
void main (void)
{
SCON = 0x50;
//	REN=1;
TMOD = TMOD | 0x20 ;
TH1  = 0xFD;
TL1  = 0xFD;
ES = 1;
EA = 1;
TR1 = 1;
while(1);
}
void serial_IT(void) interrupt 4
{
if (RI == 1)
{ RI = 0;
 uart_data = SBUF;
//TI=1;
  SBUF = uart_data;
}
else TI = 0;
}

0