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I need to send a block of data through the rs232, but i want to check when data transmition has end (the uart buffer is empty), like a loop.

How can i do that.

Well, to test this i make the following:

1. In the same breadboard a mount another microcontroller, the PIC16F628A.
2. Put almost the same code on it
3. Make it Run

And then it works perfet. N ...

I tried again the code in post #4, but now i changed the max232 that i was using. And I got the same for both. The microcontroller waits the first character, get it e then starts to send it by tx and ...

but this code work right

#include <16F767.h>
#fuses XT,NOWDT,NOPROTECT
#use delay(clock=4000000)
#use rs232(baud=4800, xmit=PIN_C6, rcv=PIN_C7)
#use standard_io(B ...

Well I tryed to use the up code and nothing happend, but when I comment the line

printf("Test in progress...\r\n");

The program starts to work, waiting to the first characte ...

version CCS 4.023

Well, i alread tested this routine and dont receive any answer. I alread tested the max232, connecting the RX with the TX pins and its working normaly.

#include
#fuses HS, NOWDT, NOPROTECT, BROWN ...

Hi, i�m just starting to work with PICs microcontrolers. I�m using the PIC16F767, but i�m having some problems that i dont undrestand. I'm trying to comunicate this PIC with a computer using the seria ...