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Update DallasTemperatureSensor.ino

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Small code improvements
This commit is contained in:
Kolbi
2015-06-17 14:33:37 +02:00
parent 30a0b83ba4
commit 938ade8823
1 changed files with 6 additions and 5 deletions
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libraries/MySensors/examples/DallasTemperatureSensor/DallasTemperatureSensor.ino
+5 -4
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@@ -32,8 +32,8 @@
#define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected #define ONE_WIRE_BUS 3 // Pin where dallase sensor is connected
#define MAX_ATTACHED_DS18B20 16 #define MAX_ATTACHED_DS18B20 16
unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds) unsigned long SLEEP_TIME = 30000; // Sleep time between reads (in milliseconds)
OneWire oneWire(ONE_WIRE_BUS); OneWire oneWire(ONE_WIRE_BUS); // Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
DallasTemperature sensors(&oneWire); DallasTemperature sensors(&oneWire); // Pass our oneWire reference to Dallas Temperature.
MySensor gw; MySensor gw;
float lastTemperature[MAX_ATTACHED_DS18B20]; float lastTemperature[MAX_ATTACHED_DS18B20];
int numSensors=0; int numSensors=0;
@@ -44,7 +44,7 @@ MyMessage msg(0,V_TEMP);
void setup() void setup()
{ {
// Startup OneWire // Startup up the OneWire library
sensors.begin(); sensors.begin();
// Startup and initialize MySensors library. Set callback for incoming messages. // Startup and initialize MySensors library. Set callback for incoming messages.
@@ -78,10 +78,11 @@ void loop()
float temperature = static_cast<float>(static_cast<int>((gw.getConfig().isMetric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.; float temperature = static_cast<float>(static_cast<int>((gw.getConfig().isMetric?sensors.getTempCByIndex(i):sensors.getTempFByIndex(i)) * 10.)) / 10.;
// Only send data if temperature has changed and no error // Only send data if temperature has changed and no error
if (lastTemperature[i] != temperature && temperature != -127.00) { if (lastTemperature[i] != temperature && temperature != -127.00 && temperature != 85.00) {
// Send in the new temperature // Send in the new temperature
gw.send(msg.setSensor(i).set(temperature,1)); gw.send(msg.setSensor(i).set(temperature,1));
// Save new temperatures for next compare
lastTemperature[i]=temperature; lastTemperature[i]=temperature;
} }
} }