Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
89 lines (73 sloc) 2.68 KB
#include <Wire.h>
/**
* The MySensors Arduino library handles the wireless radio link and protocol
* between your home built sensors/actuators and HA controller of choice.
* The sensors forms a self healing radio network with optional repeaters. Each
* repeater and gateway builds a routing tables in EEPROM which keeps track of the
* network topology allowing messages to be routed to nodes.
*
* Created by Henrik Ekblad <henrik.ekblad@mysensors.org>
* Copyright (C) 2013-2015 Sensnology AB
* Full contributor list: https://github.com/mysensors/Arduino/graphs/contributors
*
* Documentation: http://www.mysensors.org
* Support Forum: http://forum.mysensors.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
*******************************
*
* REVISION HISTORY
* Version 1.0 - Henrik EKblad
*
* DESCRIPTION
* This sketch provides an example how to implement a distance sensor using HC-SR04
* http://www.mysensors.org/build/distance
*/
// Enable debug prints
#define MY_DEBUG
// Enable and select radio type attached
#define MY_RADIO_NRF24
//#define MY_RF24_PA_LEVEL RF24_PA_LOW
//#define MY_RADIO_RFM69
#include <SPI.h>
#include <MySensors.h>
#include <NewPing.h>
#define CHILD_ID 13
#define TRIGGER_PIN 6 // Arduino pin tied to trigger pin on the ultrasonic sensor.
#define ECHO_PIN 5 // Arduino pin tied to echo pin on the ultrasonic sensor.
#define MAX_DISTANCE 150 // Maximum distance we want to ping for (in centimeters). Maximum sensor distance is rated at 400-500cm.
unsigned long SLEEP_TIME = 3000; // Calculate every 3 seconds
#define MY_RF24_CE_PIN 9
#define MY_RF24_CS_PIN 10
NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE); // NewPing setup of pins and maximum distance.
MyMessage msg(CHILD_ID, V_DISTANCE);
int lastDist;
bool metric = true;
void setup()
{
metric = getControllerConfig().isMetric;
}
void presentation() {
// Send the sketch version information to the gateway and Controller
sendSketchInfo("Distance Sensor", "1.1");
// Register all sensors to gw (they will be created as child devices)
present(CHILD_ID, S_DISTANCE);
}
void loop()
{
// Ping 5 times and calculate median
int dist_ms = sonar.ping_median(5);
// Calculate actual distance
int dist = metric?sonar.convert_cm(dist_ms):sonar.convert_in(dist_ms);
Serial.print("Ping: ");
Serial.print(dist); // Convert ping time to distance in cm and print result (0 = outside set distance range)
Serial.println(metric?" cm":" in");
if (dist != lastDist) {
send(msg.set(dist));
lastDist = dist;
}
sleep(SLEEP_TIME);
}
You can’t perform that action at this time.