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TFTLCD.h
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TFTLCD.h
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// Graphics library by ladyada/adafruit with init code from Rossum
// MIT license
#include <WProgram.h>
// comment or uncomment the next line for special pinout!
#define USE_ADAFRUIT_SHIELD_PINOUT
// register names from Peter Barrett's Microtouch code
#define TFTLCD_START_OSC 0x00
#define TFTLCD_DRIV_OUT_CTRL 0x01
#define TFTLCD_DRIV_WAV_CTRL 0x02
#define TFTLCD_ENTRY_MOD 0x03
#define TFTLCD_RESIZE_CTRL 0x04
#define TFTLCD_DISP_CTRL1 0x07
#define TFTLCD_DISP_CTRL2 0x08
#define TFTLCD_DISP_CTRL3 0x09
#define TFTLCD_DISP_CTRL4 0x0A
#define TFTLCD_RGB_DISP_IF_CTRL1 0x0C
#define TFTLCD_FRM_MARKER_POS 0x0D
#define TFTLCD_RGB_DISP_IF_CTRL2 0x0F
#define TFTLCD_POW_CTRL1 0x10
#define TFTLCD_POW_CTRL2 0x11
#define TFTLCD_POW_CTRL3 0x12
#define TFTLCD_POW_CTRL4 0x13
#define TFTLCD_GRAM_HOR_AD 0x20
#define TFTLCD_GRAM_VER_AD 0x21
#define TFTLCD_RW_GRAM 0x22
#define TFTLCD_POW_CTRL7 0x29
#define TFTLCD_FRM_RATE_COL_CTRL 0x2B
#define TFTLCD_GAMMA_CTRL1 0x30
#define TFTLCD_GAMMA_CTRL2 0x31
#define TFTLCD_GAMMA_CTRL3 0x32
#define TFTLCD_GAMMA_CTRL4 0x35
#define TFTLCD_GAMMA_CTRL5 0x36
#define TFTLCD_GAMMA_CTRL6 0x37
#define TFTLCD_GAMMA_CTRL7 0x38
#define TFTLCD_GAMMA_CTRL8 0x39
#define TFTLCD_GAMMA_CTRL9 0x3C
#define TFTLCD_GAMMA_CTRL10 0x3D
#define TFTLCD_HOR_START_AD 0x50
#define TFTLCD_HOR_END_AD 0x51
#define TFTLCD_VER_START_AD 0x52
#define TFTLCD_VER_END_AD 0x53
#define TFTLCD_GATE_SCAN_CTRL1 0x60
#define TFTLCD_GATE_SCAN_CTRL2 0x61
#define TFTLCD_GATE_SCAN_CTRL3 0x6A
#define TFTLCD_PART_IMG1_DISP_POS 0x80
#define TFTLCD_PART_IMG1_START_AD 0x81
#define TFTLCD_PART_IMG1_END_AD 0x82
#define TFTLCD_PART_IMG2_DISP_POS 0x83
#define TFTLCD_PART_IMG2_START_AD 0x84
#define TFTLCD_PART_IMG2_END_AD 0x85
#define TFTLCD_PANEL_IF_CTRL1 0x90
#define TFTLCD_PANEL_IF_CTRL2 0x92
#define TFTLCD_PANEL_IF_CTRL3 0x93
#define TFTLCD_PANEL_IF_CTRL4 0x95
#define TFTLCD_PANEL_IF_CTRL5 0x97
#define TFTLCD_PANEL_IF_CTRL6 0x98
#define TFTLCD_DELAYCMD 0xFF
#define swap(a, b) { int16_t t = a; a = b; b = t; }
class TFTLCD : public Print {
public:
TFTLCD(uint8_t cs, uint8_t cd, uint8_t wr, uint8_t rd, uint8_t reset);
uint16_t Color565(uint8_t r, uint8_t g, uint8_t b);
// drawing primitives!
void drawPixel(uint16_t x, uint16_t y, uint16_t color);
void fillScreen(uint16_t color);
void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
void drawFastLine(uint16_t x0, uint16_t y0, uint16_t l, uint16_t color, uint8_t flag);
void drawVerticalLine(uint16_t x0, uint16_t y0, uint16_t length, uint16_t color);
void drawHorizontalLine(uint16_t x0, uint16_t y0, uint16_t length, uint16_t color);
void drawTriangle(uint16_t x0, uint16_t y0,
uint16_t x1, uint16_t y1,
uint16_t x2, uint16_t y2, uint16_t color);
void fillTriangle(int32_t x0, int32_t y0,
int32_t x1, int32_t y1,
int32_t x2, int32_t y2,
uint16_t color);
void drawRect(uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, uint16_t color);
void fillRect(uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, uint16_t color);
void drawRoundRect(uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, uint16_t radius, uint16_t color);
void fillRoundRect(uint16_t x0, uint16_t y0, uint16_t w, uint16_t h, uint16_t radius, uint16_t color);
void drawCircle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color);
void fillCircle(uint16_t x0, uint16_t y0, uint16_t r, uint16_t color);
void setCursor(uint16_t x, uint16_t y);
void setTextColor(uint16_t c);
void setTextSize(uint8_t s);
virtual void write(uint8_t);
void drawChar(uint16_t x, uint16_t y, char c, uint16_t color, uint8_t s = 1);
void drawString(uint16_t x, uint16_t y, char *c, uint16_t color, uint8_t s = 1);
// commands
void initDisplay(void);
void goHome(void);
void goTo(int x, int y);
void reset(void);
void setRotation(uint8_t x);
uint8_t getRotation();
/* low level */
void writeData(uint16_t d);
void writeCommand(uint16_t c);
uint16_t readData(void);
uint16_t readRegister(uint16_t addr);
void writeRegister(uint16_t addr, uint16_t data);
uint16_t width();
uint16_t height();
static const uint16_t TFTWIDTH = 240;
static const uint16_t TFTHEIGHT = 320;
void writeData_unsafe(uint16_t d);
void setWriteDir(void);
void setReadDir(void);
private:
void drawCircleHelper(uint16_t x0, uint16_t y0, uint16_t r, uint8_t corner, uint16_t color);
void fillCircleHelper(uint16_t x0, uint16_t y0, uint16_t r, uint8_t corner, uint16_t delta, uint16_t color);
void write8(uint8_t d);
uint8_t read8(void);
uint8_t _cs, _cd, _reset, _wr, _rd;
uint8_t csport, cdport, wrport, rdport;
uint8_t cspin, cdpin, wrpin, rdpin;
uint16_t _width, _height;
uint8_t textsize;
uint16_t cursor_x, cursor_y;
uint16_t textcolor;
uint8_t rotation;
};