// --------------------------------------------------------------------------
// ST7735-library (declaration)
//
// Author: Bernhard Bablok
//
// The code is based on work from Gavin Lyons, see
// https://github.com/gavinlyonsrepo/pic_16F18346_projects
//
// https://github.com/bablokb/pic-st7735
// --------------------------------------------------------------------------
#ifndef ST7735_TFT_H
#define ST7735_TFT_H
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#if defined _PTC
#include "picconfig.h"
#endif
#if defined TFT_ENABLE_FONTS
#if !defined TFT_ENABLE_TEXT
#define TFT_ENABLE_TEXT
#endif
#if !defined PROGMEM
#define PROGMEM
#endif
#endif
#if defined TFT_ENABLE_ALL
#if !defined TFT_ENABLE_SHAPES
#define TFT_ENABLE_SHAPES
#endif
#if !defined TFT_ENABLE_SCROLL
#define TFT_ENABLE_SCROLL
#endif
#if !defined TFT_ENABLE_TEXT
#define TFT_ENABLE_TEXT
#endif
#if !defined TFT_ENABLE_ROTATE
#define TFT_ENABLE_ROTATE
#endif
#endif
extern uint8_t tft_width, tft_height;
#define _swap(a, b) { int16_t t; t = a; a = b; b = t;}
#define ST7735_NOP 0x00
#define ST7735_SWRESET 0x01
#define ST7735_RDDID 0x04
#define ST7735_RDDST 0x09
#define ST7735_SLPIN 0x10
#define ST7735_SLPOUT 0x11
#define ST7735_PTLON 0x12
#define ST7735_NORON 0x13
#define ST7735_INVOFF 0x20
#define ST7735_INVON 0x21
#define ST7735_DISPOFF 0x28
#define ST7735_DISPON 0x29
#define ST7735_CASET 0x2A
#define ST7735_RASET 0x2B
#define ST7735_RAMWR 0x2C
#define ST7735_RAMRD 0x2E
#define ST7735_PTLAR 0x30
#define ST7735_VSCRDEF 0x33
#define ST7735_COLMOD 0x3A
#define ST7735_MADCTL 0x36
#define ST7735_MADCTL_MY 0x80
#define ST7735_MADCTL_MX 0x40
#define ST7735_MADCTL_MV 0x20
#define ST7735_MADCTL_ML 0x10
#define ST7735_MADCTL_RGB 0x00
#define ST7735_VSCRSADD 0x37
#define ST7735_FRMCTR1 0xB1
#define ST7735_FRMCTR2 0xB2
#define ST7735_FRMCTR3 0xB3
#define ST7735_INVCTR 0xB4
#define ST7735_DISSET5 0xB6
#define ST7735_PWCTR1 0xC0
#define ST7735_PWCTR2 0xC1
#define ST7735_PWCTR3 0xC2
#define ST7735_PWCTR4 0xC3
#define ST7735_PWCTR5 0xC4
#define ST7735_VMCTR1 0xC5
#define ST7735_RDID1 0xDA
#define ST7735_RDID2 0xDB
#define ST7735_RDID3 0xDC
#define ST7735_RDID4 0xDD
#define ST7735_PWCTR6 0xFC
#define ST7735_GMCTRP1 0xE0
#define ST7735_GMCTRN1 0xE1
// Color definitions
#define ST7735_BLACK 0x0000
#define ST7735_BLUE 0x001F
#define ST7735_RED 0xF800
#define ST7735_GREEN 0x07E0
#define ST7735_CYAN 0x07FF
#define ST7735_MAGENTA 0xF81F
#define ST7735_YELLOW 0xFFE0
#define ST7735_WHITE 0xFFFF
#define LCD_ASCII_OFFSET 0x20 //0x20, ASCII character for Space, The font table starts with this character
// ******** FUNCTION PROTOTYPES ************
// SPI
void write_command(uint8_t );
void write_data(uint8_t );
// Init
#if defined TFT_ENABLE_GREEN
void TFT_GreenTab_Initialize(void);
void Rcmd2green();
#endif
#if defined TFT_ENABLE_RED
void TFT_RedTab_Initialize(void);
#endif
#if defined TFT_ENABLE_BLACK
void TFT_BlackTab_Initialize(void);
#endif
#if defined(TFT_ENABLE_RED) || defined(TFT_ENABLE_BLACK)
void Rcmd2red();
#endif
#if defined TFT_ENABLE_GENERIC
void TFT_ST7735B_Initialize(void);
void Bcmd();
#endif
#if defined TFT_ENABLE_RESET
void TFT_ResetPIN(void);
#endif
void Rcmd1();
void Rcmd3();
// Misc + Screen related
void setAddrWindow(uint8_t , uint8_t , uint8_t , uint8_t );
void fillScreen(uint16_t color);
void drawFastVLine(uint8_t x, uint8_t y, uint8_t h, uint16_t color);
void drawFastHLine(uint8_t x, uint8_t y, uint8_t w, uint16_t color);
void drawPixel(uint8_t , uint8_t , uint16_t );
void fillRectangle(uint8_t , uint8_t , uint8_t , uint8_t , uint16_t );
void fillRect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint16_t color);
void invertDisplay(bool i);
void NormalDisplay(void);
void pushColor(uint16_t color);
//Scroll
#if defined TFT_ENABLE_SCROLL
void setScrollDefinition(uint8_t top_fix_height, uint8_t bottom_fix_height, bool _scroll_direction);
void VerticalScroll(uint8_t _vsp);
#endif
// Shapes
#if defined TFT_ENABLE_SHAPES
void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
void drawRectWH(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint16_t color);
void drawRoundRect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t r, uint16_t color);
void fillRoundRect(uint8_t x, uint8_t y, uint8_t w, uint8_t h, uint8_t r, uint16_t color);
void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
void drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color);
void fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color);
void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
#endif
// Text
#if defined(TFT_ENABLE_TEXT)
void drawChar(uint8_t x, uint8_t y, uint8_t c, uint16_t color, uint16_t bg, uint8_t size);
void setTextWrap(bool w);
void drawText(uint8_t x, uint8_t y, const char *_text, uint16_t color, uint16_t bg, uint8_t size);
#endif
#if defined TFT_ENABLE_ROTATE
void setRotation(uint8_t m);
#endif
#if defined TFT_ENABLE_FONTS
/// Font data stored PER GLYPH
typedef struct {
uint16_t bitmapOffset; ///< Pointer into GFXfont->bitmap
uint8_t width; ///< Bitmap dimensions in pixels
uint8_t height; ///< Bitmap dimensions in pixels
uint8_t xAdvance; ///< Distance to advance cursor (x axis)
int8_t xOffset; ///< X dist from cursor pos to UL corner
int8_t yOffset; ///< Y dist from cursor pos to UL corner
} GFXglyph;
/// Data stored for FONT AS A WHOLE
typedef struct {
uint8_t *bitmap; ///< Glyph bitmaps, concatenated
GFXglyph *glyph; ///< Glyph array
uint16_t first; ///< ASCII extents (first char)
uint16_t last; ///< ASCII extents (last char)
uint8_t yAdvance; ///< Newline distance (y axis)
const char *subset; ///< subset of chars in the font
} GFXfont;
extern GFXfont *_gfxFont;
void setFont(const GFXfont *f);
#endif
// ------ not functional yet ----------------------------------------------
// needs fat-library
// BMP processing from SD-card
#if defined TFT_ENABLE_BMP
bool bmpDraw(int8_t x, int8_t y, int8_t *bmpname);
#endif
#endif
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