#ifndef TFT_H
#define TFT_H

#include <hardware.h>
#include <stdint.h>

#define TFT_WIDTH 480
#define TFT_HEIGHT 320

enum tft_command {
    NOP        = 0x00,
    SWRESET    = 0x01,
    RDDID      = 0x04,
    RDNUMPE    = 0x05,
    RDRED      = 0x06,
    RDGREEN    = 0x07,
    RDBLUE     = 0x08,
    RDDPM      = 0x0A,
    RDDMADCTL  = 0x0B,
    RDDCOLMOD  = 0x0C,
    RDDIM      = 0x0D,
    RDDSM      = 0x0E,
    RDDSDR     = 0x0F,
    SPLIN      = 0x10,
    SLPOUT     = 0x11,
    PTLON      = 0x12,
    NORON      = 0x13,
    INVOFF     = 0x20,
    INVON      = 0x21,
    ALLPOFF    = 0x22,
    ALLPON     = 0x23,
    GAMSET     = 0x26,
    DISPOFF    = 0x28,
    DISPON     = 0x29,
    CASET      = 0x2A,
    PASET      = 0x2B,
    RAMWR      = 0x2C,
    RAMRD      = 0x2E,
    PLTAR      = 0x30,
    VSCRDEF    = 0x33,
    TEOFF      = 0x34,
    TEON       = 0x35,
    MADCTL     = 0x36,
    VSCRSADD   = 0x37,
    IDMOFF     = 0x38,
    IDMON      = 0x39,
    COLMOD     = 0x3A,
    CONRAMWR   = 0x3C,
    CONRAMRD   = 0x3E,
    TESL       = 0x44,
    GETSL      = 0x45,
    WRDISBV    = 0x51,
    RDDISBV    = 0x52,
    WRCTRLD    = 0x53,
    RDCTRLD    = 0x54,
    WRCABC     = 0x55,
    RDCABC     = 0x56,
    WRCABCMB   = 0x5E,
    RDCABCMB   = 0x5F,
    RDABVCSDR  = 0x68,
    RDBWLK     = 0x70,
    RDBKX      = 0x71,
    RDBKY      = 0x72,
    RDWX       = 0x73,
    RDWY       = 0x74,
    RDRGLB     = 0x75,
    RDRX       = 0x76,
    RDRY       = 0x77,
    RDGX       = 0x78,
    RDGY       = 0x79,
    RDBALB     = 0x7A,
    RDBX       = 0x7B,
    RDBY       = 0x7C,
    RDAX       = 0x7D,
    RDAY       = 0x7E,

    RDID1      = 0xDA,
    RDID2      = 0xDB,
    RDID3      = 0xDC,
    SETOSC     = 0xB0,
    SETPOWER   = 0xB1,
    SETDISCTRL = 0xB2,
    SETRGB     = 0xB3,
    SETCYC     = 0xB4,
    SETBGP     = 0xB5,
    SETCOM     = 0xB6,
    SETOTP     = 0xB7,
    SETEXTC    = 0xB9,
    SETSTBA    = 0xC0,
    SETDGC     = 0xC1,
    SETID      = 0xC3,
    SETDDB     = 0xC4,
    SETCABC    = 0xC9,
    SETPANEL   = 0xCC,
    SETGAMMA   = 0xE0,
    SETIMAGE   = 0xE9,
    SETMESSI   = 0xEA,
    SETCOLOR   = 0xEB
};

enum pixel_format {
    BIT12 = 0x03,
    BIT16 = 0x05,
    BIT18 = 0x06,
    BIT24 = 0x07
};

static inline void
tft_ram_wr(void)
{
	tft_ctrl = RAMWR;
}

static inline void
tft_pixel(uint8_t r, uint8_t g, uint8_t b)
{
	tft_data = r;
	tft_data = g;
	tft_data = b;
}

void
tft_set_area(unsigned int x, unsigned int y, unsigned int w, unsigned int h);

void
tft_init(void);

void
clear_screen(void);


#endif // TFT_H