Hi
I need to communicate with a I2C master with a BeagleBone black rev3 (Debian) as a slave.
I have search over the internet but not find anything. I'm new with BeagleBone.
I find a lot of example for master but not for the slave.
Can somebody please help me?
Regards Stefan
Hi
There will only be one master and one slave. I have no control over the master, it sends a "ping" and listen to a answer from the slave with right address.
After that normal I2C operation.
I found this code for the Arduino and that is what I need for BeagleBone, a library. http://arduino.cc/en/Tutorial/MasterWriter
If someone know what I can find it, I will be happy. 
// Wire Slave Receiver
// by Nicholas Zambetti <http://www.zambetti.com>
// Demonstrates use of the Wire library
// Receives data as an I2C/TWI slave device
// Refer to the "Wire Master Writer" example for use with this
// Created 29 March 2006
// This example code is in the public domain.
#include <Wire.h>
void setup()
{
Wire.begin(4); // join i2c bus with address #4
Wire.onReceive(receiveEvent); // register event
Serial.begin(9600); // start serial for output
}
void loop()
{
delay(100);
}
// function that executes whenever data is received from master
// this function is registered as an event, see setup()
void receiveEvent(int howMany)
{
while(1 < Wire.available()) // loop through all but the last
{
char c = Wire.read(); // receive byte as a character
Serial.print(c); // print the character
}
int x = Wire.read(); // receive byte as an integer
Serial.println(x); // print the integer
}