455 версия прошивки

src/modules/exec/Pcf8591/Pcf8591.cpp

@@ -0,0 +1,71 @@
+#include "Global.h"
+#include "classes/IoTItem.h"
+
+#include "Wire.h"
+#include <Adafruit_PCF8591.h>
+
+// Make sure that this is set to the value in volts of VCC
+#define ADC_REFERENCE_VOLTAGE 3.3
+
+class Pcf8591 : public IoTItem {
+    int _pin;
+    bool _isRaw;
+    bool _isInited = false;
+    Adafruit_PCF8591 pcf = Adafruit_PCF8591();
+
+   public:
+    Pcf8591(String parameters) : IoTItem(parameters) {
+        String tmp;
+        jsonRead(parameters, "pin", tmp);
+        _pin = tmp.toInt();
+
+        jsonRead(parameters, "mode", tmp);
+        _isRaw = tmp == "raw";
+
+        if (!pcf.begin()) {
+             Serial.println("# Adafruit PCF8591 not found!");
+            _isInited = false;
+        } else
+
+            _isInited = true;
+
+            Serial.println("# Adafruit PCF8591 found");
+
+             pcf.enableDAC(true);
+
+             Serial.println("AIN0, AIN1, AIN2, AIN3");
+
+    }
+
+    uint8_t dac_counter = 0;
+
+    void doByInterval() {
+
+          // Make a triangle wave on the DAC output
+  pcf.analogWrite(dac_counter++);
+
+        if (_isInited) {
+            if (_isRaw)
+               value.valD = pcf.analogRead(_pin);  // Чтение АЦП нулевого канала (Вольты)
+            else
+                value.valD = (int_to_volts(pcf.analogRead(_pin), 8, ADC_REFERENCE_VOLTAGE));
+            regEvent(value.valD, "PCF8591");
+       }
+
+}
+
+        float int_to_volts(uint16_t dac_value, uint8_t bits, float logic_level) {
+  return (((float)dac_value / ((1 << bits) - 1)) * logic_level);
+  
+    }
+
+    ~Pcf8591(){};
+};
+
+void *getAPI_Pcf8591(String subtype, String param) {
+    if (subtype == F("Pcf8591")) {
+        return new Pcf8591(param);
+    } else {
+        return nullptr;
+    }
+}