Bonjour la famille , j’éspere que vous etes bien , à propos j’ai un probleme avec i2c arduino master reader / slave sender , j’ai essayé de simuler son schema sur proteus
et j’ai travaillé avec le code dans la bibliothèque WIRE
// Wire Master Reader
// by Nicholas Zambetti http://www.zambetti.com// Demonstrates use of the Wire library
// Reads data from an I2C/TWI slave device
// Refer to the “Wire Slave Sender” example for use with this// Created 29 March 2006
// This example code is in the public domain.
#include <Wire.h>
void setup() {
Wire.begin(); // join i2c bus (address optional for master)
Serial.begin(9600); // start serial for output
}void loop() {
Wire.requestFrom(8, 6); // request 6 bytes from slave device #8while (Wire.available()) { // slave may send less than requested
char c = Wire.read(); // receive a byte as character
Serial.print(c); // print the character
}delay(100);
}
// Wire Slave Sender
// by Nicholas Zambetti http://www.zambetti.com// Demonstrates use of the Wire library
// Sends data as an I2C/TWI slave device
// Refer to the “Wire Master Reader” example for use with this// Created 29 March 2006
// This example code is in the public domain.
#include <Wire.h>
void setup() {
Wire.begin(8); // join i2c bus with address #8
Wire.onRequest(requestEvent); // register event
}void loop() {
delay(100);
}// function that executes whenever data is requested by master
// this function is registered as an event, see setup()
void requestEvent() {
Wire.write("hello "); // respond with message of 6 bytes
// as expected by master
}
mais le problème , quand j’exécute la simulation j’aurai cette résultat
et de meme quand je modifie la valeur (6bits )envoyer par le SLAVE j’aurai d’autre symbole sur le Master
.