ili9341.h

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#ifndef _ILI9341_H_
#define _ILI9341_H_

typedef struct
{
    int16_t xpos;       // x pos
    int16_t ypos;       // y pos
    int16_t x;
    int16_t y;
    int16_t w;
    int16_t h;
    uint16_t  font; // font index
    uint16_t  flags;// font fixed == 1, var == 0
    uint16_t fg;
    uint16_t bg;
    uint8_t rotation;
    uint8_t tabstop;
} window;

typedef struct {
    int16_t X;
    int16_t Y;
} p2_int16_t;

typedef struct {
    int16_t X;
    int16_t Y;
    int16_t Z;
} p3_int16_t;


// Named address space
#ifndef MEMSPACE
#define MEMSPACE 
#endif

// Weak attribute
#ifndef WEAK_ATR
#define WEAK_ATR __attribute__((weak))
#endif

#include "font.h"
#include "ili9341_adafruit.h"

// FIXED font is default
#define FONT_VAR   1
#define WRAP_H     2
#define WRAP_V     4
#define WRAP       (WRAP_H | WRAP_V)

#define TFT_W (MAX_TFT_X-MIN_TFT_X+1)
#define TFT_H (MAX_TFT_Y-MIN_TFT_Y+1)
#define TFT_XOFF (MIN_TFT_X)
#define TFT_YOFF (MIN_TFT_Y)

#define tft_RGBto565(r, g, b) ((uint16_t) (((r) & 0xf8) << 8) | (((g) & 0xfc) << 3) | (((b) & 0xf8) >>3))

#define SWAP(a, b) do { a ^= b; b ^= a; a ^= b; } while(0)
#define ABS(x) ((x)<0 ? -(x) : (x))

// ============================================================

/* font.c */
int font_max ( void );
int font_H ( int font );
int font_W ( int font );
int font_attr ( window *win , int c , _fontc *f );

// ============================================================
/* vfont.c */
int16_t sx ( float scale , int16_t xoff , int16_t X );
int16_t sy ( float scale , int16_t yoff , int16_t Y );
void drawSVG ( window *win , int16_t x , int16_t y , int16_t c , float scale , uint16_t color, int16_t fill );

// ============================================================

/* ili9341.c */
void tft_Cmd ( uint8_t cmd );
uint8_t tft_Data ( uint8_t data );
void tft_Cmd_Data_TX ( uint8_t cmd , uint8_t *data , int bytes );
int32_t tft_abs_window ( window *win , int16_t x , int16_t y , int16_t w , int16_t h );
int32_t tft_rel_window ( window *win , int16_t x , int16_t y , int16_t w , int16_t h );
MEMSPACE uint32_t tft_readRegister ( uint8_t command , uint8_t parameter );
MEMSPACE uint32_t tft_readId ( void );
void tft_bit_blit ( window *win , uint8_t *ptr , int16_t x , int16_t y , int16_t w , int16_t h );
void tft_fillWin ( window *win , uint16_t color );
void tft_flood ( window *win , int16_t x , int16_t y , uint16_t border , uint16_t fill );
int tft_push_xy ( int16_t x , int16_t y );
int tft_pop_xy ( int16_t *x , int16_t *y );
int tft_floodline ( window *win , int16_t x , int16_t y , uint16_t border , uint16_t fill );
int tft_FillPolyLine ( window *win , int16_t x , int16_t y , int w , uint16_t color );
void tft_fillRectWH ( window *win , int16_t x , int16_t y , int16_t w , int16_t h , uint16_t color );
void tft_fillRectXY ( window *win , int16_t x , int16_t y , int16_t xl , int16_t yl , uint16_t color );
void tft_drawPixel ( window *win , int16_t x , int16_t y , int16_t color );
void tft_writeRect ( window *win , int16_t x , int16_t y , int16_t w , int16_t h , uint16_t *color );
void tft_readRect ( window *win , int16_t x , int16_t y , int16_t w , int16_t h , uint16_t *color );
void tft_Vscroll ( window *win , int dir );
uint16_t tft_readPixel ( window *win , int16_t x , int16_t y );
MEMSPACE void tft_setRotation ( uint8_t m );
void tft_565toRGB ( uint16_t color , uint8_t *r , uint8_t *g , uint8_t *b );
MEMSPACE void tft_invertDisplay ( int flag );
MEMSPACE int tft_window_clip ( window *win );
MEMSPACE void tft_clip_xy ( window *win , int16_t *X , int16_t *Y );
MEMSPACE int tft_window_clip_args ( window *win , int16_t *x , int16_t *y , int16_t *w , int16_t *h );
MEMSPACE void tft_window_init ( window *win , int16_t x , int16_t y , int16_t w , int16_t h );
MEMSPACE void tft_setTextColor ( window *win , uint16_t fg , uint16_t bg );
MEMSPACE void tft_setpos ( window *win , int16_t x , int16_t y );
MEMSPACE void tft_set_textpos ( window *win , int16_t x , int16_t y );
MEMSPACE void tft_set_font ( window *win , uint16_t index );
MEMSPACE void tft_font_fixed ( window *win );
MEMSPACE void tft_font_var ( window *win );
int tft_get_font_height ( window *win );
void tft_drawFastVLine ( window *win , int16_t x , int16_t y , int16_t h , uint16_t color );
void tft_drawFastHLine ( window *win , int16_t x , int16_t y , int16_t w , uint16_t color );
void tft_drawLine ( window *win , int16_t x0 , int16_t y0 , int16_t x1 , int16_t y1 , uint16_t color );
int tft_Bezier2 ( window *win , p2_int16_t S , p2_int16_t C , p2_int16_t T , int steps , uint16_t color );
int tft_Bezier3 ( window *win , p2_int16_t S , p2_int16_t C1 , p2_int16_t C2 , p2_int16_t T , int steps , uint16_t color );
MEMSPACE void tft_cleareol ( window *win );
MEMSPACE void tft_clearline ( window *win );
void tft_putch ( window *win , int c );

// ============================================================
/* ili9341_hal.c */
void tft_spi_init ( uint32_t prescale );
void tft_spi_begin ( void );
void tft_spi_end ( void );
void tft_reset_init ( void );
void tft_reset_enable ( void );
void tft_addr_init ( void );
void tft_reset_disable ( void );
void tft_spi_TX ( uint8_t *data , int bytes , uint8_t command );
void tft_spi_TXRX ( uint8_t *data , int bytes , uint8_t command );
void tft_spi_RX ( uint8_t *data , int bytes , uint8_t command );
MEMSPACE window *tft_init ( void );

#endif // _ILI9341_SUP_H_