TX_test program in PIC C

Pommie said:

TX and RX have to be set to input for the UART to work. You should also write to TXREG and then wait for TXIF to be set.

Mike.

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Pommie said:

I only use asm on 16F pics but I would guess it would be something like,

Code:

#include <pic1687x.h>
#include <pic.h>

// Transmitter test program


void main() {
	TRISC = 0xc0 ; //portC as output
	SPBRG = 129;	// Set the baud rate to 9.6k
	BRGH = 1;		// Set high baud rate 
	SYNC = 0;		// Set asynchronous 
	SPEN = 1;		// Enable serial port pins 
	SREN=0;	         
	TX9 = 0;		// Disable 9 bit transmission 
	TXIE = 0;		// Disable tx interrupts 
	RCIE = 0;		// Disable rx interrupts 
	TXEN  = 0;      //reset the transmitter
	TXEN = 1;		// Enable the transmitter

	while(1) {
		TXEN  = 1;
		TXREG = 0b01010101;
		while(!TXIF); 	// Checks if the transmit flag is down 
	}
}

Mike.

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flemmard said:

Hi , can you send me your asm code to to test my tx ?
I understand that i can add that asm code directly to my C for compilation
Thanks in advance

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