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about serial communication!

jeny jn 

I can't step over this instruction ( while(TI==0);//  )
the program :

#include "reg51.h"
main()
{
  TCON = 0x50;
  TMOD = 0x20;
  TL1 = 0xFD;
  TH1 = 0xFD;
  TR1 = 1;
  while(1)
  {
   SBUF = 0xFF;
   while(TI==0);//  I can't step over here .
   TI = 0;
  }

Parents
  • 0 in reply to Eric Best

    I asked about showing of ISR of timers because it may be that ISR of timer1 contains a typpo, for example, JMP $ etc... Really, what is the initialization of Timer1 at start of main for if UART uses just mode 0? Seems Jeny rejected some important code parts...

    Good days!

Reply
  • 0 in reply to Eric Best

    I asked about showing of ISR of timers because it may be that ISR of timer1 contains a typpo, for example, JMP $ etc... Really, what is the initialization of Timer1 at start of main for if UART uses just mode 0? Seems Jeny rejected some important code parts...

    Good days!

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