Added support for DS18S20

devices/example-ds18s20/Impl.cpp

@@ -0,0 +1,25 @@
+#include "../features/DS18S20.h"
+#include "Device.h"
+
+
+constexpr const char DS18S20_NAME[] = "ds18s20";
+const uint8_t DS18S20_GPIO = 0;
+
+class DS18S20Device : public Device {
+public:
+    DS18S20Device() :
+            ds18s20(this)
+    {
+        this->add(&(this->ds18s20));
+    }
+
+private:
+    DS18S20Sensor<DS18S20_NAME, DS18S20_GPIO> ds18s20;
+};
+
+
+Device* createDevice() {
+    return new DS18S20Device();
+}
+
+

framework/features/DS18S20.h

@@ -0,0 +1,50 @@
+#ifndef DS1820SENSOR_H
+#define DS1820SENSOR_H
+
+#include "Feature.h"
+
+#include <Libraries/OneWire/OneWire.h>
+#include <Libraries/DS18S20/ds18s20.h>
+
+
+template<const char* const name, int gpio>
+class DS18S20Sensor : public Feature<name> {
+
+protected:
+    DS18S20 ds18s20;
+
+public:
+    DS18S20Sensor(Device* device) : Feature<name>(device) {
+        this->ds18s20.Init(gpio);
+	this->ds18s20.RegisterEndCallback(DS18S20CompletedDelegate(&DS18S20Sensor::measureCompleted, this));
+
+        for (int i = 0; i < this->ds18s20.GetSensorsCount(); i++) {
+            const uint64_t id = this->ds18s20.GetSensorID(i);
+            sprintf(this->topics[i], "%08X-%08X/temperature", (uint32_t)(id>>32), (uint32_t)(id>>0));
+        }
+
+        this->updateTimer.initializeMs(15000, TimerDelegate(&DS18S20::StartMeasure, &this->ds18s20));
+        this->updateTimer.start(true);
+    }
+
+protected:
+    void publishCurrentState() {
+    }
+
+private:
+    void measureCompleted() {
+        for(int i = 0; i < this->ds18s20.GetSensorsCount(); i++) {
+            if (this->ds18s20.IsValidTemperature(i)) {
+                const float temperature = this->ds18s20.GetCelsius(i);
+                this->publish(this->topics[i], String(temperature), true);
+            }
+        }
+    }
+
+    char topics[MAX_SENSORS][42];
+
+    Timer updateTimer;
+};
+
+
+#endif