réception de données sur le pic16f877

[mouadh]

hi,
i have a probleme to send data from labview to pic,
i had alredy send data from pic to labview, it's ok .
i nned help to communicate end sending data to pic.
thre is my program:

#include<16F877.h>
#include<stdlib.h>
#use delay(clock = 4000000)
#fuses HS,NOWDT,PUT,NOPROTECT, NOLVP
#use rs232(baud = 9600, xmit = pin_c6, rcv = pin_c7)

boolean rxf=0; //initialisation de bit de flag

#int_rda // intrruption CAN --> (RS232 receive data available)
void rda();

void Init() //procedure d'initialisation des ports de convertisseur et le canal d'acquisition du signal
{
setup_adc_ports(A_ANALOG); //tous les entrés de port "A" sont analogiques
setup_adc(adc_clock_div_32);//initialisation du clock interne de convertisseur
set_adc_channel(0); // initialisation de la voie d'acquisition
enable_interrupts(int_rda); //activer l'interruption materielle CAN-->(RS232 receive data available)
enable_interrupts(global); //activer l'interruption globale-->adc_off
SET_TRIS_B( 0x00 );
}

void Read_tx232()
{
unsigned int x;
x= read_adc(); //X reçoit le résulat de conv
putc(x); //**PIC-PC
rxf =1;
}
void write_rx232()
{
char source;
unsigned int transmit;

source = getc();
transmit=source-48 //conversion de char en int
output_b(transmit);
rxf =1;
}

void main()
{
OUTPUT_B(0x00);
Init();

while(1)
{

Read_tx232();
rxf = 0;
write_rx232();

delay_ms( (500) );
}
}

[PCM programmer]