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minimal adjustment to the dallas temperature sensor as an example added scripts to drop the database and to set a reboot manually for debugging purposes
70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
// Example sketch showing how to send in OneWire temperature readings
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#include <MySensor.h>
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#include <SPI.h>
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#include <DallasTemperature.h>
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#include <OneWire.h>
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#define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected
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#define MAX_ATTACHED_DS18B20 16
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unsigned long WAIT_TIME = 30000; // Wait for feedback from controller after sending and before going to sleep (in milliseconds)
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unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds)
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OneWire oneWire(ONE_WIRE_BUS);
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DallasTemperature sensors(&oneWire);
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MySensor gw;
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float lastTemperature[MAX_ATTACHED_DS18B20];
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int numSensors=0;
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boolean receivedConfig = false;
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boolean metric = true;
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// Initialize temperature message
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MyMessage msg(0,V_TEMP);
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void setup()
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{
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// Startup OneWire
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sensors.begin();
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// Startup and initialize MySensors library. Set callback for incoming messages.
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gw.begin();
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// Send the sketch version information to the gateway and Controller
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gw.sendSketchInfo("Temperature Sensor", "1.0");
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// Fetch the number of attached temperature sensors
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numSensors = sensors.getDeviceCount();
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// Present all sensors to controller
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for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {
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gw.present(i, S_TEMP);
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}
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}
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void loop()
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{
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// Process incoming messages (like config from server)
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gw.process();
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// Fetch temperatures from Dallas sensors
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sensors.requestTemperatures();
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// Read temperatures and send them to controller
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for (int i=0; i<numSensors && i<MAX_ATTACHED_DS18B20; i++) {
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// Fetch and round temperature to one decimal
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float temperature = static_cast<float>(static_cast<int>((gw.getConfig().isMetric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.;
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// Only send data if temperature has changed and no error
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if (lastTemperature[i] != temperature && temperature != -127.00) {
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// Send in the new temperature
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gw.send(msg.setSensor(i).set(temperature,1));
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lastTemperature[i]=temperature;
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}
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}
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delay(WAIT_TIME);
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gw.process();
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gw.sleep(SLEEP_TIME);
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}
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