Add support for RPI

ArduinoImpl.cpp

@@ -0,0 +1,38 @@
+#include "ArduinoImpl.h"
+#include <inttypes.h>
+
+ArduinoImpl::ArduinoImpl(uint8_t lcd_Addr, uint8_t lcd_cols, uint8_t lcd_rows)
+{
+    _Addr = lcd_Addr;
+    _cols = lcd_cols;
+    _rows = lcd_rows;
+    _backlightval = LCD_NOBACKLIGHT;
+}
+
+void ArduinoImpl::setBacklightVal(uint8_t val)
+{
+    _backlightval = val;
+}
+
+void ArduinoImpl::delayMilliseconds(uint32_t val)
+{
+    ::delay(val);
+}
+
+void ArduinoImpl::delayMicroseconds(uint32_t val)
+{
+    ::delayMicroseconds(val);
+}
+
+void ArduinoImpl::init_priv()
+{
+    Serial.print("ArduinoImpl::init_priv\n");
+    Wire.begin();
+}
+
+void ArduinoImpl::expanderWrite(uint8_t _data)
+{                                        
+    Wire.beginTransmission(_Addr);
+    printIIC((int)(_data) | _backlightval);
+    Wire.endTransmission();   
+}

ArduinoImpl.h

@@ -0,0 +1,33 @@
+#ifndef _ARDUINOIMPL_H_
+#define _ARDUINOIMPL_H_
+
+#include "LCI2CImpl.h"
+#include "LiquidCrystal_I2C.h"
+
+#if defined(ARDUINO) && ARDUINO >= 100
+#include "Arduino.h"
+#define printIIC(args)  Wire.write(args)
+#else
+#include "WProgram.h"
+#define printIIC(args)  Wire.send(args)
+#endif
+
+#include "Wire.h"
+
+class ArduinoImpl : public LCI2CImpl { 
+public:
+    ArduinoImpl(uint8_t lcd_Addr, uint8_t lcd_cols, uint8_t lcd_rows);
+    virtual ~ArduinoImpl() {};
+    virtual void init_priv();
+    virtual void setBacklightVal(uint8_t val);
+    virtual void delayMilliseconds(uint32_t val);
+    virtual void delayMicroseconds(uint32_t val);
+    virtual void expanderWrite(uint8_t _data);
+private:
+    uint8_t _Addr;
+    uint8_t _cols;
+    uint8_t _rows;
+    uint8_t _backlightval;
+};
+
+#endif

LCI2CImpl.cpp

@@ -0,0 +1,9 @@
+#include "LCI2CImpl.h"
+#include <inttypes.h>
+
+#if 0
+LCI2CImpl::LCI2CImpl(uint8_t lcd_Addr,uint8_t lcd_cols,uint8_t lcd_rows)
+{
+}
+#endif
+

LCI2CImpl.h

@@ -0,0 +1,17 @@
+#ifndef _LCI2CIMPL_H_
+#define _LCI2CIMPL_H_
+
+#include <inttypes.h>
+#include <stddef.h> 
+
+class LCI2CImpl {
+public:
+    virtual ~LCI2CImpl() {};
+    virtual void init_priv() = 0;
+    virtual void setBacklightVal(uint8_t backlightval) = 0;
+    virtual void expanderWrite(uint8_t _data) = 0;
+    virtual void delayMilliseconds(uint32_t delay) = 0;
+    virtual void delayMicroseconds(uint32_t delay) = 0;
+};
+
+#endif