Search found 7 matches

I have a source code about transfer and receive data between MASTER and SLAVE with I2C connect.
Hope it useful for the persons need it.

http://www.mediafire.com/file/l0eq4tuodd5sa1h/I2C%20transfe ...

Thanks PCM so much, you help me get a lot of knowledges.
My program worked.

#include<18F4520.h>
#include"DEF_18F4520.c"
#fuses HS
#use delay(clock = 4000000)
#use I2C(MASTER , SDA = PIN_C4, SCL = PIN_C3)
#use FAST_IO( A B)
#use FA ...

hmmm... you're using fast_io() but where's your setup of the tris registers ?
Have you disabled other peripherals you don't use ?
Do you need a chip select for the slave ?
Your hardware for switch ...

#include<18F4520.h>
#use delay(clock=4000000)
#use FAST_IO(D)

void main()
{
int number;

setup_spi(SPI_MASTER );
while(1)
{
nu ...

@Ttelmah : Thanks for helping !

#include <18F4520.h>
#fuses NOWDT,PUT,XT,NOPROTECT
#use delay(clock=4000000)
#byte PORTB = 0xF81
int16 count = 0;
int8 a;

//Chuong trinh ngat TMR0
#int_timer0
void interrupt_ ...