Diff: Grove_LCD_RGB_Backlight.h

Revision:

0:253885b1f364

Child:

1:40a3b6506c9f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Grove_LCD_RGB_Backlight.h	Tue Mar 15 17:19:39 2016 +0000
@@ -0,0 +1,68 @@
+#include "mbed.h"
+
+// I2C addresses for LCD and RGB
+#define LCD_ADDRESS     (0x7c)
+#define RGB_ADDRESS     (0xc4)
+
+#define RED_REG         0x04        
+#define GREEN_REG       0x03        
+#define BLUE_REG        0x02        
+
+// commands
+#define LCD_CLEARDISPLAY 0x01
+#define LCD_DISPLAYCONTROL 0x08
+#define LCD_FUNCTIONSET 0x20
+
+// flags for display on/off control
+#define LCD_DISPLAYON 0x04
+#define LCD_DISPLAYOFF 0x00
+
+// flag for entry mode
+#define LCD_ENTRYLEFT 0x02
+
+// flags for function set
+#define LCD_8BITMODE 0x10
+#define LCD_2LINE 0x08
+#define LCD_5x10DOTS 0x04
+
+    
+class Grove_LCD_RGB_Backlight
+{
+public:
+    
+    //Contructor
+    Grove_LCD_RGB_Backlight(PinName sda, PinName scl); 
+    
+
+    
+    //Set RGB Color of backglight
+    void setRGB(char r, char g, char b);     
+    
+    //Initialize device
+    void init();   
+    
+    //Turn on display
+    void displayOn();
+    
+    //Clear all text from display
+    void clear();
+    
+    //Print text to the lcd screen
+    void print(char *str);
+    
+    //Move cursor to specified location
+    void locate(char col, char row);
+
+    
+private:
+    
+    //Send command to display
+    void sendCommand(char value);
+    
+    //Set register value
+    void setReg(char addr, char val);
+    
+    //MBED I2C object used to transfer data to LCD
+    I2C i2c;              
+    
+};
\ No newline at end of file