Programme BUS CAN
Fork of Grove_LCD_RGB_Backlight by
Grove_LCD_RGB_Backlight.h
- Committer:
- cmatz3
- Date:
- 2016-03-15
- Revision:
- 2:5ce38ef7a7db
- Parent:
- 1:40a3b6506c9f
File content as of revision 2:5ce38ef7a7db:
#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 /** Grove_LCD_RGB_Backlight Class. * Used for connecting a Grove LCD RGB Backlit display * to an mbed microcontroller via an I2C interface. */ class Grove_LCD_RGB_Backlight { public: /** Contructor. Creates an instance of the Grove_LCD_RGB_Backlight class. * @param sda SDA pin on the mbed microcontroller which will be used to communicate with the display. * @param scl SCL pin on the mbed microcontroller which will be used to communicate with the display. */ Grove_LCD_RGB_Backlight(PinName sda, PinName scl); /** Set RGB color of backlight * @param r Value for the red component of the RGB backlight (Between 0 and 255). * @param g Value for the green component of the RGB backlight (Between 0 and 255). * @param b Value for the blue component of the RGB backlight (Between 0 and 255). */ void setRGB(char r, char g, char b); /** Removes all of the text from the display. */ void clear(); /**Prints text to the LCD display. * @param *str Pointer to an array of characters which will be printed to the LCD screen. */ void print(char *str); /**Move cursor to specified location on the LCD screen. * @param col Value for which column on the display the next text being printed will start at. * @param row Value for which row on the display the next text being printed will be printed on. */ void locate(char col, char row); private: //Initialize device void init(); //Turn on display void displayOn(); //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; };