#include "ili9341.h"
#include "ili9341gfx.h"

volatile uint16_t cursor_x;
volatile uint16_t cursor_y;
volatile uint16_t textcolour;
volatile uint16_t textbgcolour;
volatile uint8_t textsize;
volatile uint16_t backup_x,backup_y;


void ili9341_printstring(char *str)
{
unsigned char i=0;
while(str[i] !=0)
{
ili9341_write(str[i]);
i++;
}
} 


void ili9341_backupcursor(void)
{
backup_x=cursor_x;
backup_y=cursor_y;
}

//array for font
static const unsigned char font[] PROGMEM = {
        0x00, 0x00, 0x00, 0x00, 0x00,   
	0x3E, 0x5B, 0x4F, 0x5B, 0x3E, 	
	0x3E, 0x6B, 0x4F, 0x6B, 0x3E, 	
	0x1C, 0x3E, 0x7C, 0x3E, 0x1C, 
	0x18, 0x3C, 0x7E, 0x3C, 0x18, 
	0x1C, 0x57, 0x7D, 0x57, 0x1C, 
	0x1C, 0x5E, 0x7F, 0x5E, 0x1C, 
	0x00, 0x18, 0x3C, 0x18, 0x00, 
	0xFF, 0xE7, 0xC3, 0xE7, 0xFF, 
	0x00, 0x18, 0x24, 0x18, 0x00, 
	0xFF, 0xE7, 0xDB, 0xE7, 0xFF, 
	0x30, 0x48, 0x3A, 0x06, 0x0E, 
	0x26, 0x29, 0x79, 0x29, 0x26, 
	0x40, 0x7F, 0x05, 0x05, 0x07, 
	0x40, 0x7F, 0x05, 0x25, 0x3F, 
	0x5A, 0x3C, 0xE7, 0x3C, 0x5A, 
	0x7F, 0x3E, 0x1C, 0x1C, 0x08, 
	0x08, 0x1C, 0x1C, 0x3E, 0x7F, 
	0x14, 0x22, 0x7F, 0x22, 0x14, 
	0x5F, 0x5F, 0x00, 0x5F, 0x5F, 
	0x06, 0x09, 0x7F, 0x01, 0x7F, 
	0x00, 0x66, 0x89, 0x95, 0x6A, 
	0x60, 0x60, 0x60, 0x60, 0x60, 
	0x94, 0xA2, 0xFF, 0xA2, 0x94, 
	0x08, 0x04, 0x7E, 0x04, 0x08, 
	0x10, 0x20, 0x7E, 0x20, 0x10, 
	0x08, 0x08, 0x2A, 0x1C, 0x08, 
	0x08, 0x1C, 0x2A, 0x08, 0x08, 
	0x1E, 0x10, 0x10, 0x10, 0x10, 
	0x0C, 0x1E, 0x0C, 0x1E, 0x0C, 
	0x30, 0x38, 0x3E, 0x38, 0x30, 
	0x06, 0x0E, 0x3E, 0x0E, 0x06, 
	0x00, 0x00, 0x00, 0x00, 0x00, 
	0x00, 0x00, 0x5F, 0x00, 0x00, 
	0x00, 0x07, 0x00, 0x07, 0x00, 
	0x14, 0x7F, 0x14, 0x7F, 0x14, 
	0x24, 0x2A, 0x7F, 0x2A, 0x12, 
	0x23, 0x13, 0x08, 0x64, 0x62, 
	0x36, 0x49, 0x56, 0x20, 0x50, 
	0x00, 0x08, 0x07, 0x03, 0x00, 
	0x00, 0x1C, 0x22, 0x41, 0x00, 
	0x00, 0x41, 0x22, 0x1C, 0x00, 
	0x2A, 0x1C, 0x7F, 0x1C, 0x2A, 
	0x08, 0x08, 0x3E, 0x08, 0x08, 
	0x00, 0x80, 0x70, 0x30, 0x00, 
	0x08, 0x08, 0x08, 0x08, 0x08, 
	0x00, 0x00, 0x60, 0x60, 0x00, 
	0x20, 0x10, 0x08, 0x04, 0x02, 
	0x3E, 0x51, 0x49, 0x45, 0x3E, 
	0x00, 0x42, 0x7F, 0x40, 0x00, 
	0x72, 0x49, 0x49, 0x49, 0x46, 
	0x21, 0x41, 0x49, 0x4D, 0x33, 
	0x18, 0x14, 0x12, 0x7F, 0x10, 
	0x27, 0x45, 0x45, 0x45, 0x39, 
	0x3C, 0x4A, 0x49, 0x49, 0x31, 
	0x41, 0x21, 0x11, 0x09, 0x07, 
	0x36, 0x49, 0x49, 0x49, 0x36, 
	0x46, 0x49, 0x49, 0x29, 0x1E, 
	0x00, 0x00, 0x14, 0x00, 0x00, 
	0x00, 0x40, 0x34, 0x00, 0x00, 
	0x00, 0x08, 0x14, 0x22, 0x41, 
	0x14, 0x14, 0x14, 0x14, 0x14, 
	0x00, 0x41, 0x22, 0x14, 0x08, 
	0x02, 0x01, 0x59, 0x09, 0x06, 
	0x3E, 0x41, 0x5D, 0x59, 0x4E, 
	0x7C, 0x12, 0x11, 0x12, 0x7C, 
	0x7F, 0x49, 0x49, 0x49, 0x36, 
	0x3E, 0x41, 0x41, 0x41, 0x22, 
	0x7F, 0x41, 0x41, 0x41, 0x3E, 
	0x7F, 0x49, 0x49, 0x49, 0x41, 
	0x7F, 0x09, 0x09, 0x09, 0x01, 
	0x3E, 0x41, 0x41, 0x51, 0x73, 
	0x7F, 0x08, 0x08, 0x08, 0x7F, 
	0x00, 0x41, 0x7F, 0x41, 0x00, 
	0x20, 0x40, 0x41, 0x3F, 0x01, 
	0x7F, 0x08, 0x14, 0x22, 0x41, 
	0x7F, 0x40, 0x40, 0x40, 0x40, 
	0x7F, 0x02, 0x1C, 0x02, 0x7F, 
	0x7F, 0x04, 0x08, 0x10, 0x7F, 
	0x3E, 0x41, 0x41, 0x41, 0x3E, 
	0x7F, 0x09, 0x09, 0x09, 0x06, 
	0x3E, 0x41, 0x51, 0x21, 0x5E, 
	0x7F, 0x09, 0x19, 0x29, 0x46, 
	0x26, 0x49, 0x49, 0x49, 0x32, 
	0x03, 0x01, 0x7F, 0x01, 0x03, 
	0x3F, 0x40, 0x40, 0x40, 0x3F, 
	0x1F, 0x20, 0x40, 0x20, 0x1F, 
	0x3F, 0x40, 0x38, 0x40, 0x3F, 
	0x63, 0x14, 0x08, 0x14, 0x63, 
	0x03, 0x04, 0x78, 0x04, 0x03, 
	0x61, 0x59, 0x49, 0x4D, 0x43, 
	0x00, 0x7F, 0x41, 0x41, 0x41, 
	0x02, 0x04, 0x08, 0x10, 0x20, 
	0x00, 0x41, 0x41, 0x41, 0x7F, 
	0x04, 0x02, 0x01, 0x02, 0x04, 
	0x40, 0x40, 0x40, 0x40, 0x40, 
	0x00, 0x03, 0x07, 0x08, 0x00, 
	0x20, 0x54, 0x54, 0x78, 0x40, 
	0x7F, 0x28, 0x44, 0x44, 0x38, 
	0x38, 0x44, 0x44, 0x44, 0x28, 
	0x38, 0x44, 0x44, 0x28, 0x7F, 
	0x38, 0x54, 0x54, 0x54, 0x18, 
	0x00, 0x08, 0x7E, 0x09, 0x02, 
	0x18, 0xA4, 0xA4, 0x9C, 0x78, 
	0x7F, 0x08, 0x04, 0x04, 0x78, 
	0x00, 0x44, 0x7D, 0x40, 0x00, 
	0x20, 0x40, 0x40, 0x3D, 0x00, 
	0x7F, 0x10, 0x28, 0x44, 0x00, 
	0x00, 0x41, 0x7F, 0x40, 0x00, 
	0x7C, 0x04, 0x78, 0x04, 0x78, 
	0x7C, 0x08, 0x04, 0x04, 0x78, 
	0x38, 0x44, 0x44, 0x44, 0x38, 
	0xFC, 0x18, 0x24, 0x24, 0x18, 
	0x18, 0x24, 0x24, 0x18, 0xFC, 
	0x7C, 0x08, 0x04, 0x04, 0x08, 
	0x48, 0x54, 0x54, 0x54, 0x24, 
	0x04, 0x04, 0x3F, 0x44, 0x24, 
	0x3C, 0x40, 0x40, 0x20, 0x7C, 
	0x1C, 0x20, 0x40, 0x20, 0x1C, 
	0x3C, 0x40, 0x30, 0x40, 0x3C, 
	0x44, 0x28, 0x10, 0x28, 0x44, 
	0x4C, 0x90, 0x90, 0x90, 0x7C, 
	0x44, 0x64, 0x54, 0x4C, 0x44, 
	0x00, 0x08, 0x36, 0x41, 0x00, 
	0x00, 0x00, 0x77, 0x00, 0x00, 
	0x00, 0x41, 0x36, 0x08, 0x00, 
	0x02, 0x01, 0x02, 0x04, 0x02, 
	0x3C, 0x26, 0x23, 0x26, 0x3C, 
	0x1E, 0xA1, 0xA1, 0x61, 0x12, 
	0x3A, 0x40, 0x40, 0x20, 0x7A, 
	0x38, 0x54, 0x54, 0x55, 0x59, 
	0x21, 0x55, 0x55, 0x79, 0x41, 
	0x22, 0x54, 0x54, 0x78, 0x42, // a-umlaut
	0x21, 0x55, 0x54, 0x78, 0x40, 
	0x20, 0x54, 0x55, 0x79, 0x40, 
	0x0C, 0x1E, 0x52, 0x72, 0x12, 
	0x39, 0x55, 0x55, 0x55, 0x59, 
	0x39, 0x54, 0x54, 0x54, 0x59, 
	0x39, 0x55, 0x54, 0x54, 0x58, 
	0x00, 0x00, 0x45, 0x7C, 0x41, 
	0x00, 0x02, 0x45, 0x7D, 0x42, 
	0x00, 0x01, 0x45, 0x7C, 0x40, 
	0x7D, 0x12, 0x11, 0x12, 0x7D, // A-umlaut
	0xF0, 0x28, 0x25, 0x28, 0xF0, 
	0x7C, 0x54, 0x55, 0x45, 0x00, 
	0x20, 0x54, 0x54, 0x7C, 0x54, 
	0x7C, 0x0A, 0x09, 0x7F, 0x49, 
	0x32, 0x49, 0x49, 0x49, 0x32, 
	0x3A, 0x44, 0x44, 0x44, 0x3A, // o-umlaut
	0x32, 0x4A, 0x48, 0x48, 0x30, 
	0x3A, 0x41, 0x41, 0x21, 0x7A, 
	0x3A, 0x42, 0x40, 0x20, 0x78, 
	0x00, 0x9D, 0xA0, 0xA0, 0x7D, 
	0x3D, 0x42, 0x42, 0x42, 0x3D, // O-umlaut
	0x3D, 0x40, 0x40, 0x40, 0x3D, 
	0x3C, 0x24, 0xFF, 0x24, 0x24, 
	0x48, 0x7E, 0x49, 0x43, 0x66, 
	0x2B, 0x2F, 0xFC, 0x2F, 0x2B, 
	0xFF, 0x09, 0x29, 0xF6, 0x20, 
	0xC0, 0x88, 0x7E, 0x09, 0x03, 
	0x20, 0x54, 0x54, 0x79, 0x41, 
	0x00, 0x00, 0x44, 0x7D, 0x41, 
	0x30, 0x48, 0x48, 0x4A, 0x32, 
	0x38, 0x40, 0x40, 0x22, 0x7A, 
	0x00, 0x7A, 0x0A, 0x0A, 0x72, 
	0x7D, 0x0D, 0x19, 0x31, 0x7D, 
	0x26, 0x29, 0x29, 0x2F, 0x28, 
	0x26, 0x29, 0x29, 0x29, 0x26, 
	0x30, 0x48, 0x4D, 0x40, 0x20, 
	0x38, 0x08, 0x08, 0x08, 0x08, 
	0x08, 0x08, 0x08, 0x08, 0x38, 
	0x2F, 0x10, 0xC8, 0xAC, 0xBA, 
	0x2F, 0x10, 0x28, 0x34, 0xFA, 
	0x00, 0x00, 0x7B, 0x00, 0x00, 
	0x08, 0x14, 0x2A, 0x14, 0x22, 
	0x22, 0x14, 0x2A, 0x14, 0x08, 
	0xAA, 0x00, 0x55, 0x00, 0xAA, 
	0xAA, 0x55, 0xAA, 0x55, 0xAA, 
	0x00, 0x00, 0x00, 0xFF, 0x00, 
	0x10, 0x10, 0x10, 0xFF, 0x00, 
	0x14, 0x14, 0x14, 0xFF, 0x00, 
	0x10, 0x10, 0xFF, 0x00, 0xFF, 
	0x10, 0x10, 0xF0, 0x10, 0xF0, 
	0x14, 0x14, 0x14, 0xFC, 0x00, 
	0x14, 0x14, 0xF7, 0x00, 0xFF, 
	0x00, 0x00, 0xFF, 0x00, 0xFF, 
	0x14, 0x14, 0xF4, 0x04, 0xFC, 
	0x14, 0x14, 0x17, 0x10, 0x1F, 
	0x10, 0x10, 0x1F, 0x10, 0x1F, 
	0x14, 0x14, 0x14, 0x1F, 0x00, 
	0x10, 0x10, 0x10, 0xF0, 0x00, 
	0x00, 0x00, 0x00, 0x1F, 0x10, 
	0x10, 0x10, 0x10, 0x1F, 0x10, 
	0x10, 0x10, 0x10, 0xF0, 0x10, 
	0x00, 0x00, 0x00, 0xFF, 0x10, 
	0x10, 0x10, 0x10, 0x10, 0x10, 
	0x10, 0x10, 0x10, 0xFF, 0x10, 
	0x00, 0x00, 0x00, 0xFF, 0x14, 
	0x00, 0x00, 0xFF, 0x00, 0xFF, 
	0x00, 0x00, 0x1F, 0x10, 0x17, 
	0x00, 0x00, 0xFC, 0x04, 0xF4, 
	0x14, 0x14, 0x17, 0x10, 0x17, 
	0x14, 0x14, 0xF4, 0x04, 0xF4, 
	0x00, 0x00, 0xFF, 0x00, 0xF7, 
	0x14, 0x14, 0x14, 0x14, 0x14, 
	0x14, 0x14, 0xF7, 0x00, 0xF7, 
	0x14, 0x14, 0x14, 0x17, 0x14, 
	0x10, 0x10, 0x1F, 0x10, 0x1F, 
	0x14, 0x14, 0x14, 0xF4, 0x14, 
	0x10, 0x10, 0xF0, 0x10, 0xF0, 
	0x00, 0x00, 0x1F, 0x10, 0x1F, 
	0x00, 0x00, 0x00, 0x1F, 0x14, 
	0x00, 0x00, 0x00, 0xFC, 0x14, 
	0x00, 0x00, 0xF0, 0x10, 0xF0, 
	0x10, 0x10, 0xFF, 0x10, 0xFF, 
	0x14, 0x14, 0x14, 0xFF, 0x14, 
	0x10, 0x10, 0x10, 0x1F, 0x00, 
	0x00, 0x00, 0x00, 0xF0, 0x10, 
	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 
	0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 
	0xFF, 0xFF, 0xFF, 0x00, 0x00, 
	0x00, 0x00, 0x00, 0xFF, 0xFF, 
	0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 
	0x38, 0x44, 0x44, 0x38, 0x44, 
	0xFC, 0x4A, 0x4A, 0x4A, 0x34, // sharp-s or beta
	0x7E, 0x02, 0x02, 0x06, 0x06, 
	0x02, 0x7E, 0x02, 0x7E, 0x02, 
	0x63, 0x55, 0x49, 0x41, 0x63, 
	0x38, 0x44, 0x44, 0x3C, 0x04, 
	0x40, 0x7E, 0x20, 0x1E, 0x20, 
	0x06, 0x02, 0x7E, 0x02, 0x02, 
	0x99, 0xA5, 0xE7, 0xA5, 0x99, 
	0x1C, 0x2A, 0x49, 0x2A, 0x1C, 
	0x4C, 0x72, 0x01, 0x72, 0x4C, 
	0x30, 0x4A, 0x4D, 0x4D, 0x30, 
	0x30, 0x48, 0x78, 0x48, 0x30, 
	0xBC, 0x62, 0x5A, 0x46, 0x3D, 
	0x3E, 0x49, 0x49, 0x49, 0x00, 
	0x7E, 0x01, 0x01, 0x01, 0x7E, 
	0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 
	0x44, 0x44, 0x5F, 0x44, 0x44, 
	0x40, 0x51, 0x4A, 0x44, 0x40, 
	0x40, 0x44, 0x4A, 0x51, 0x40, 
	0x00, 0x00, 0xFF, 0x01, 0x03, 
	0xE0, 0x80, 0xFF, 0x00, 0x00, 
	0x08, 0x08, 0x6B, 0x6B, 0x08,
	0x36, 0x12, 0x36, 0x24, 0x36,
	0x06, 0x0F, 0x09, 0x0F, 0x06,
	0x00, 0x00, 0x18, 0x18, 0x00,
	0x00, 0x00, 0x10, 0x10, 0x00,
	0x30, 0x40, 0xFF, 0x01, 0x01,
	0x00, 0x1F, 0x01, 0x01, 0x1E,
	0x00, 0x19, 0x1D, 0x17, 0x12,
	0x00, 0x3C, 0x3C, 0x3C, 0x3C,
	0x00, 0x00, 0x00, 0x00, 0x00
};




extern uint16_t LCD_W,LCD_H;

void ili9341_drawchar(int16_t x, int16_t y, unsigned char c,uint16_t color, uint16_t bg, uint8_t size) //draw a char like a,b or 1,2
{

if((x >=LCD_W)            || // Clip right
(y >=LCD_H)           || // Clip bottom
((x + 6 * size - 1) < 0) || // Clip left
((y + 8 * size - 1) < 0))   // Clip top
return;
for (int8_t i=0; i<6; i++ ) {
uint8_t line;
if (i == 5) 
line = 0x0;
else 
line = pgm_read_byte(font+(c*5)+i);
for (int8_t j = 0; j<8; j++) {
if (line & 0x1) {
if (size == 1) // default size
ili9341_drawpixel(x+i, y+j, color);
else {  // big size
ili9341_fillrect(x+(i*size), y+(j*size), size, size, color);
} 
} else if (bg != color) {
if (size == 1) // default size
ili9341_drawpixel(x+i, y+j, bg);
else 
{  // big size
ili9341_fillrect(x+i*size, y+j*size, size, size, bg);
}
}
line >>= 1;
}
}
}


void ili9341_setcursor(uint16_t x,uint16_t y)//set cursor at desired location to print data
{
cursor_x=x;
cursor_y=y;
}

void ili9341_settextcolour(uint16_t x,uint16_t y)//set text colour and text background colour
{
textcolour=x;
textbgcolour=y;
}

void ili9341_settextsize(uint8_t s)
{
if(s>8) return;
textsize=(s>0) ? s: 1;//this operation means if s0 greater than 0,then s=s,else s=1
}

void ili9341_write(uint8_t c)//write a character at setted coordinates after setting location and colour
{
if (c == '\n') {
cursor_y += textsize*8;
cursor_x  = 0;
} else if (c == '\r') {
 // skip em
}
else
{
ili9341_drawchar(cursor_x, cursor_y, c, textcolour, textbgcolour, textsize);
cursor_x += textsize*6;
}
}