lcd: rename from iiclcd to i2clcd, add swig

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>

src/lcd/i2clcd.h

@@ -0,0 +1,95 @@
+/*
+ * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
+ * Copyright (c) 2014 Intel Corporation.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#pragma once
+
+#include <string>
+#include <maa/i2c.h>
+
+namespace upm {
+
+// commands
+#define LCD_CLEARDISPLAY 0x01
+#define LCD_RETURNHOME 0x02
+#define LCD_ENTRYMODESET 0x04
+#define LCD_DISPLAYCONTROL 0x08
+#define LCD_CURSORSHIFT 0x10
+#define LCD_FUNCTIONSET 0x20
+#define LCD_DATA 0x40
+#define LCD_CMD 0x80
+
+#define LCD_BACKLIGHT 0x08
+#define LCD_NOBACKLIGHT 0x00
+
+// flags for display entry mode
+#define LCD_ENTRYRIGHT 0x00
+#define LCD_ENTRYLEFT 0x02
+#define LCD_ENTRYSHIFTINCREMENT 0x01
+#define LCD_ENTRYSHIFTDECREMENT 0x00
+
+// flags for display on/off control
+#define LCD_DISPLAYON 0x04
+#define LCD_DISPLAYOFF 0x00
+#define LCD_CURSORON 0x02
+#define LCD_CURSOROFF 0x00
+#define LCD_BLINKON 0x01
+#define LCD_BLINKOFF 0x00
+
+// flags for function set
+#define LCD_8BITMODE 0x10
+#define LCD_4BITMODE 0x00
+#define LCD_2LINE 0x08
+#define LCD_1LINE 0x00
+#define LCD_5x10DOTS 0x04
+#define LCD_5x8DOTS 0x00
+
+#define LCD_EN 0x04 // Enable bit
+#define LCD_RW 0x02 // Read/Write bit
+#define LCD_RS 0x01 // Register select bit
+
+class I2CLcd {
+    public:
+        I2CLcd (int bus, int lcdAddress);
+        maa_result_t write (int x, int y, std::string msg);
+        
+        virtual maa_result_t write (std::string msg) = 0;
+        virtual maa_result_t setCursor (int row, int column) = 0;
+        virtual maa_result_t clear () = 0;
+        virtual maa_result_t home () = 0;
+        virtual maa_result_t i2Cmd (maa_i2c_context ctx, uint8_t value);
+        virtual maa_result_t i2cReg (maa_i2c_context ctx, int deviceAdress, int addr, uint8_t data);
+        virtual maa_result_t i2cData (maa_i2c_context ctx, uint8_t value);
+        
+        maa_result_t close();
+        std::string name()
+        {
+            return m_name;
+        }
+    protected:
+        std::string m_name;
+        int m_lcd_control_address;
+        int m_bus;
+        maa_i2c_context m_i2c_lcd_control;
+};
+
+}