You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
39 lines
849 B
Plaintext
39 lines
849 B
Plaintext
// Wire Master Writer
|
|
// by Nicholas Zambetti <http://www.zambetti.com>
|
|
|
|
// Demonstrates use of the Wire library
|
|
// Writes data to an I2C/TWI slave device
|
|
// Refer to the "Wire Slave Receiver" example for use with this
|
|
|
|
// Created 29 March 2006
|
|
|
|
#include <Wire.h>
|
|
|
|
void setup()
|
|
{
|
|
Wire.begin(); // join i2c bus (address optional for master)
|
|
Serial.begin(9600);
|
|
}
|
|
|
|
byte x = 0;
|
|
|
|
void loop()
|
|
{
|
|
|
|
Wire.beginTransmission(4); // transmit to device #4
|
|
Wire.send("x is "); // sends five bytes
|
|
Wire.send(x); // sends one byte
|
|
Wire.endTransmission(); // stop transmitting
|
|
|
|
//Wire.requestFrom(2,2);
|
|
while(Wire.available()) // loop through all but the last
|
|
{
|
|
char c = Wire.receive(); // receive byte as a character
|
|
Serial.print(c); // print the character
|
|
}
|
|
|
|
x++;
|
|
delay(500);
|
|
Serial.print(".");
|
|
}
|