Please help ? RF Remote Source code [Archive]

sorasit46

- 25th April 2007, 14:25

Why ???? can not work .
I think , problem is in recived source code.
Can you help me.
Thanks.

/*Description RF Remote Transmitter*/
/* SEND */
/********** SETUP & I/O **********/
#include <12f629.h>
#fuses INTRC_IO // Internal RC Osc, no CLKOUT
#fuses WDT // Watch Dog Timer
#fuses PUT // Power Up Timer
#fuses NOMCLR // Master Clear pin used for I/O
#fuses NOBROWNOUT // No brownout reset
#fuses NOCPD // No EE protection
#fuses NOPROTECT // Code not protected from reading
#use delay (clock=4000000)

#define DATA PIN_A5
#define LED PIN_A4
#define KEY1 PIN_A0
#define KEY2 PIN_A1

/********** TXRUN FUNCTION **********/
void tx0 (void) { // send bit 0
output_high (DATA);
delay_us (250);
output_low (DATA);
delay_us (250);
}
void tx1 (void) { // send bit 1
output_high (DATA);
delay_us (500);
output_low (DATA);
delay_us (500);
}

void txbyte (char x) { // send one byte
char i;
for (i=0;i<=7;i++) {
if ((x & 1)==1) tx1 (); else tx0 ();
x >>= 1;
}
}

void txsend (char x) {
char a,b,c;
c = 0x53;
b = 0x35;
a = 0;
//address 0-255
txbyte (0); // preamble
txbyte (0);
tx1 (); // start
txbyte (c); // code 1
txbyte (b); // code 2
txbyte (a); // address
txbyte (x); // command
tx0 (); // end
output_low (LED);
delay_ms (250);
output_high (LED);
delay_ms (250);
}
/********** MAIN FUNCTION **********/
void start (void)
{
//setup_wdt(WDT_2304MS);
delay_ms(100);
}
void main (void) {
char f;
start ();
port_a_pullups(true);
set_tris_a(0x0F); // set trisa output
restart_wdt();
f = 0;
while (1)
{
//sleep();
restart_wdt();
if (f==0)
{
if (input (KEY1)==0) {txsend (0x1); f = 1;}
else if (input (KEY2)==0) {txsend (0x2); f = 1;}
}
if (input (KEY1) && input (KEY2)) {f = 0; delay_ms (100);}

}
}

_________________________________________

/*Description RF Remote Transmitter*/
/* Recieved */
/********** SETUP & I/O **********/
#include <12f629.h>
#fuses INTRC_IO // Internal RC Osc, no CLKOUT
#fuses NOWDT // No Watch Dog Timer
#fuses PUT // Power Up Timer
#fuses NOMCLR // Master Clear pin used for I/O
#fuses NOBROWNOUT // No brownout reset
#fuses NOCPD // No EE protection
#fuses NOPROTECT // Code not protected from reading
#use delay (clock=4000000)
//#byte OSCCON = 0x8F

#define DATA PIN_A0
#define REL1 PIN_A4
#define REL2 PIN_A5

/********** RXRUN FUNCTION **********/
int16 rxbit (void) { // check bit cycle
int16 x;
x = 0;
while (input (DATA)==1) x++;
while (input (DATA)==0) x++;
return (x);
}

void rxpre (void) { // check preamble
int16 x;
char c;
c = 0;
while (c<5) { // check bit 0
x = rxbit ();
if (x>=33 && x<=37) c++; else c = 0;
}
while (x<53) {
x = rxbit (); // check bit 1
}
}

char rxbyte (void) { // read one byte
char x,i;
x = 0;
for (i=0;i<=7;i++) {
x >>= 1;
if (rxbit ()>53) x |= 0x80;
}
return (x);
}

char rxrecv (void) {
char i,j,a,aa,bb,cc,x;
cc = 0x53;
bb = 0x35;
aa = 0;
rxpre ();
i = rxbyte ();
j = rxbyte ();
a = rxbyte ();
x = rxbyte ();
if (i==cc && j==0xbb && a==aa)return (x); // match
else return (0xff); // not match
}

/********** MAIN FUNCTION **********/
void start (void) {
port_a_pullups(true);
set_tris_a(0x09); // set trisa output
delay_ms (200);
}

void main (void) {
char x,a,b,c;
start ();
a = 0;
b = 0;
c = 0;
output_bit (REL1,a);
output_bit (REL2,b);
while (1) {
x = rxrecv ();
if (x==0x1)
{
if (a==0 && b==0) a = 1;
else {a = 0;b=0;}
output_bit (REL1,a);
output_bit (REL2,b);
}
else if (x==0x2)
{
if (b==0 && a==0) b = 1;
else{b = 0;a=0;}
output_bit (REL2,b);
output_bit (REL1,a);
}
}
}