use TwoWire instance

Author: thijstriemstra

MultiPlexer_PCF8574/MultiPlexer_PCF8574.cpp

@@ -1,17 +1,22 @@
-/*  Copyright (c) 2020-2021, Collab
+/*  Copyright (c) 2020-2023, Collab
  *  All rights reserved
 */
 
 #include <MultiPlexer_PCF8574.h>
 
-MultiPlexer_PCF8574::MultiPlexer_PCF8574(uint8_t address, uint8_t sda, uint8_t scl) {
-  _sdaPin = sda;
-  _sclPin = scl;
-  _expander = new PCF8574(address);
+MultiPlexer_PCF8574::MultiPlexer_PCF8574(uint8_t address, TwoWire* wire) {
+  _expander = new PCF8574(address, wire);
 }
 
 bool MultiPlexer_PCF8574::begin() {
-  return _expander->begin(_sdaPin, _sclPin);
+  bool expanderReady = _expander->begin();
+  if (!expanderReady) {
+    Log.warning(F("PCF8574 could not initialize!" CR));
+  }
+  if (!isConnected()) {
+    Log.warning(F("PCF8574 not connected!" CR));
+  }
+  return expanderReady;
 }
 
 bool MultiPlexer_PCF8574::isConnected() {

MultiPlexer_PCF8574/MultiPlexer_PCF8574.h

@@ -1,4 +1,4 @@
-/*  Copyright (c) 2020-2021, Collab
+/*  Copyright (c) 2020-2023, Collab
  *  All rights reserved
 */
 /*
@@ -8,22 +8,20 @@
 #define MultiPlexer_PCF8574_h
 
 #include <Arduino.h>
-#include <Method.h>
 #include <PCF8574.h>
+#include <ArduinoLog.h>
 
 class MultiPlexer_PCF8574
 {
   public:
-    MultiPlexer_PCF8574(uint8_t address, uint8_t sda, uint8_t scl);
+    MultiPlexer_PCF8574(uint8_t address, TwoWire* wire = &Wire);
     bool begin();
     bool isConnected();
     void digitalWrite(uint8_t pin, uint8_t value);
     uint8_t digitalRead(uint8_t pin);
 
   private:
     PCF8574* _expander;
-    uint8_t _sdaPin;
-    uint8_t _sclPin;
 };
 
 #endif