Permalink
Switch branches/tags
Nothing to show
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
78 lines (58 sloc) 2.09 KB
/*********************************************************************
This is a library for our Monochrome Nokia 5110 LCD Displays
Pick one up today in the adafruit shop!
------> http://www.adafruit.com/products/338
These displays use SPI to communicate, 4 or 5 pins are required to
interface
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, check license.txt for more information
All text above, and the splash screen must be included in any redistribution
*********************************************************************/
#if defined(ARDUINO) && ARDUINO >= 100
#include "Arduino.h"
#else
#include "WProgram.h"
#endif
#define BLACK 1
#define WHITE 0
#define LCDWIDTH 84
#define LCDHEIGHT 48
#define PCD8544_POWERDOWN 0x04
#define PCD8544_ENTRYMODE 0x02
#define PCD8544_EXTENDEDINSTRUCTION 0x01
#define PCD8544_DISPLAYBLANK 0x0
#define PCD8544_DISPLAYNORMAL 0x4
#define PCD8544_DISPLAYALLON 0x1
#define PCD8544_DISPLAYINVERTED 0x5
// H = 0
#define PCD8544_FUNCTIONSET 0x20
#define PCD8544_DISPLAYCONTROL 0x08
#define PCD8544_SETYADDR 0x40
#define PCD8544_SETXADDR 0x80
// H = 1
#define PCD8544_SETTEMP 0x04
#define PCD8544_SETBIAS 0x10
#define PCD8544_SETVOP 0x80
#define swap(a, b) { uint8_t t = a; a = b; b = t; }
class Adafruit_PCD8544 : public Adafruit_GFX {
public:
Adafruit_PCD8544(int8_t SCLK, int8_t DIN, int8_t DC, int8_t CS, int8_t RST);
Adafruit_PCD8544(int8_t SCLK, int8_t DIN, int8_t DC, int8_t RST);
void begin(uint8_t contrast = 40);
void command(uint8_t c);
void data(uint8_t c);
void setContrast(uint8_t val);
void clearDisplay(void);
void display();
void drawPixel(uint16_t x, uint16_t y, uint16_t color);
uint8_t getPixel(uint8_t x, uint8_t y);
private:
int8_t _din, _sclk, _dc, _rst, _cs;
volatile uint8_t *mosiport, *clkport, *csport, *dcport;
uint8_t mosipinmask, clkpinmask, cspinmask, dcpinmask;
void slowSPIwrite(uint8_t c);
void fastSPIwrite(uint8_t c);
};