/* Pin definitions:
Most of these pins can be moved to any digital or analog pin.
DN(MOSI)and SCLK should be left where they are (SPI pins). The
LED (backlight) pin should remain on a PWM-capable pin. */
// SCE - Chip select, pin 3 on LCD.
// RST - Reset, pin 4 on LCD.
// DC - Data/Command, pin 5 on LCD.
// DN(MOSI) - Serial data, pin 6 on LCD.
// SCLK - Serial clock, pin 7 on LCD.
// LED - Backlight LED, pin 8 on LCD.

/* 84x48 LCD Defines: */
#include <stdbool.h>
#include <stdint.h>

#define LCD_WIDTH   84 // Note: x-coordinates go wide
#define LCD_HEIGHT  48 // Note: y-coordinates go high
#define WHITE       0  // For drawing pixels. A 0 draws white.
#define BLACK       1  // A 1 draws black.

// This function sets a pixel on displayMap to your preferred
// color. 1=Black, 0= white.
void LCD_setPixel(int x, int y, bool bw);

// setLine draws a line from x0,y0 to x1,y1 with the set color
void LCD_setLine(int x0, int y0, int x1, int y1, bool bw);

// setRect will draw a rectangle from x0,y0 top-left corner to
// a x1,y1 bottom-right corner. Can be filled with the fill
// parameter, and colored with bw.
void LCD_setRect(int x0, int y0, int x1, int y1, bool fill, bool bw);

// setCircle draws a circle centered around x0,y0 with a defined
// radius. The circle can be black or white. And have a line
// thickness ranging from 1 to the radius of the circle.
void LCD_setCircle (int x0, int y0, int radius, bool bw, int lineThickness);

// This function will draw a char (defined in the ASCII table
// near the beginning of this sketch) at a defined x and y).
// The color can be either black (1) or white (0).
void LCD_setChar(char character, int x, int y, bool bw);

// setStr draws a string of characters, calling setChar with
// progressive coordinates until it's done.
// This function was grabbed from the SparkFun ColorLCDShield
// library.
void LCD_setStr(const char * dString, int x, int y, bool bw);

// This function clears the entire display either white (0) or
// black (1).
// The screen won't actually clear until you call updateDisplay()!
void LCD_clearDisplay(bool bw);

// This will actually draw on the display, whatever is currently
// in the displayMap array.
void LCD_updateDisplay();

// Set contrast can set the LCD Vop to a value between 0 and 127.
// 40-60 is usually a pretty good range.
void LCD_setContrast(uint8_t contrast);

/* Invert colors */
void LCD_invertDisplay(bool in_data);

/* Invert colors (hard change in data; does NOT send to display immediately) */
void LCD_invertDisplayData();

//This sends the magical commands to the PCD8544
void LCD_setup(void);