add MultiPlexer_PCF8574

Author: thijstriemstra

MultiPlexer_PCF8574/MultiPlexer_PCF8574.cpp

@@ -0,0 +1,37 @@
+
+/*
+  MultiPlexer_PCF8574.cpp
+*/
+
+#include <MultiPlexer_PCF8574.h>
+
+// Function interrupt
+bool keyPressed = false;
+
+void keyPressedOnPCF8574(){
+  Serial.println("keyPressedOnPCF8574");
+  keyPressed = true;
+}
+
+
+MultiPlexer_PCF8574::MultiPlexer_PCF8574(uint8_t address, uint8_t interrupt_pin) {
+  _expander = new PCF8574(address, interrupt_pin, keyPressedOnPCF8574);
+}
+
+void MultiPlexer_PCF8574::begin() {
+  /*pinMode(ESP8266_INTERRUPTED_PIN, INPUT_PULLUP);
+  attachInterrupt(digitalPinToInterrupt(ESP8266_INTERRUPTED_PIN), keyPressedOnPCF8574, FALLING);*/
+
+  for (int i=0; i<8; i++) {
+    _expander->pinMode(i, INPUT);
+  }
+
+	if (_expander->begin()) {
+		Serial.println("OK");
+	} else{
+		Serial.println("KO");
+	}
+}
+
+void MultiPlexer_PCF8574::loop() {
+}

MultiPlexer_PCF8574/MultiPlexer_PCF8574.h

@@ -0,0 +1,24 @@
+/*
+  MultiPlexer_PCF8574.h
+*/
+#ifndef MultiPlexer_PCF8574_h
+#define MultiPlexer_PCF8574_h
+
+#include <Arduino.h>
+#include <Method.h>
+#include <PCF8574.h>
+
+#define ESP8266_INTERRUPTED_PIN 16
+
+class MultiPlexer_PCF8574
+{
+  public:
+    MultiPlexer_PCF8574(uint8_t address, uint8_t interrupt_pin);
+    void begin();
+    void loop();
+
+  private:
+    PCF8574* _expander;
+};
+
+#endif