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sending int16 using RS232

 
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ailatech



Joined: 24 Jul 2007
Posts: 7
Location: Jordan

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sending int16 using RS232
PostPosted: Mon Sep 24, 2007 11:43 pm     Reply with quote
Hello
I have written to the program eeprom sucessfully, and then i need to read those data and send them via the RS232 terminal. The program writes to program eeprom successfully, but it does not send via the rs232.
The code is:
Code:
#include<16f877.h>
#fuses NOWDT, HS
#use delay (clock = 20000000)
#use rs232(baud=9600, xmit=PIN_C6,rcv=PIN_C7)
void flash (void);
int16 address;
void main()
{
   for (address = 7168; address<7178; address++)
   {
      write_program_eeprom(address,address%16);
      flash();
   }
   delay_ms(100);
   for (address = 7168; address<7178; address++)
   {
      printf("address:%Lu data:%Lu \n\r",address,read_program_eeprom(address));
      delay_ms(1000);
   }
}
void flash (void)
{
   output_high(PIN_B6);
   delay_ms(1);
   output_low(PIN_B6);
   delay_ms(1);
}

what is the wrong with this program?
_________________
Eng. Haytham Shyouk
B.A. Electronics Engineering
Ken Johnson



Joined: 23 Mar 2006
Posts: 197
Location: Lewisburg, WV

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PostPosted: Tue Sep 25, 2007 6:03 am     Reply with quote
At a glance, code looks ok.

Does this part write/read 8- or 16-bit value to/from eeprom?

Ken
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