#ifndef RASPBERRY_LCD_H
#define RASPBERRY_LCD_H
// Commands
#define SCREEN_CLEAR 0b00000001
#define CURSOR_RETURN 0b00000010
#define INPUT_SET 0b00000100
#define DISPLAY_SWITCH 0b00001000
#define SHIFT 0b00010000
#define FUNCTION_SET 0b00100000
#define CGRAM_AD_SET 0b01000000
#define DDRAM_AD_SET 0b10000000
// Parameters
#define LEFT_TO_RIGHT 0b10
#define RIGHT_TO_LEFT 0b00
#define DISPLAY_ON 0b100
#define DISPLAY_OFF 0b000
#define CURSOR_ON 0b010
#define CURSOR_OFF 0b000
#define CURSOR_BLINK 0b001
#define CURSOR_STATIC 0b000
#define DISPLAY_SHIFT 0b1000
#define CURSOR_SHIFT 0b0000
#define RIGHT_SHIFT 0b0100
#define LEFT_SHIFT 0b0000
#define FULL_BYTE_INTERFACE 0b10000
#define HALF_BYTE_INTERFACE 0b00000
#define ONE_LINE 0b00000
#define TWO_LINES 0b01000
#define FONT_5x10 0b00100
#define FONT_5x7 0b00000
// Special characters supported by the LCD
#define CURRENCY_YEN 0b01011100
#define ARROW_RIGHT 0b01111110
#define ARROW_LEFT 0b01111111
#define JAPANESE_PERIOD 0b10100001
#define JAPANESE_QUOTE_START 0b10100010
#define JAPANESE_QUOTE_END 0b10100011
#define JAPANESE_COMMA 0b10100100
#define JAPANESE_INTERPUNCT 0b10100101
#define JAPANESE_KATAKANA_WO 0b10100110
#define JAPANESE_KATAKANA_CHIISAI_A 0b10100111
#define JAPANESE_KATAKANA_CHIISAI_I 0b10101000
#define JAPANESE_KATAKANA_CHIISAI_U 0b10101001
#define JAPANESE_KATAKANA_CHIISAI_E 0b10101010
#define JAPANESE_KATAKANA_CHIISAI_O 0b10101011
#define JAPANESE_KATAKANA_CHIISAI_YA 0b10101100
#define JAPANESE_KATAKANA_CHIISAI_YU 0b10101101
#define JAPANESE_KATAKANA_CHIISAI_YO 0b10101110
#define JAPANESE_KATAKANA_CHIISAI_TSU 0b10101111
#define JAPANESE_CHOONPU 0b10110000
#define JAPANESE_KATAKANA_A 0b10110001
#define JAPANESE_KATAKANA_I 0b10110010
#define JAPANESE_KATAKANA_U 0b10110011
#define JAPANESE_KATAKANA_E 0b10110100
#define JAPANESE_KATAKANA_O 0b10110101
#define JAPANESE_KATAKANA_KA 0b10110110
#define JAPANESE_KATAKANA_KI 0b10110111
#define JAPANESE_KATAKANA_KU 0b10111000
#define JAPANESE_KATAKANA_KE 0b10111001
#define JAPANESE_KATAKANA_KO 0b10111010
#define JAPANESE_KATAKANA_SA 0b10111011
#define JAPANESE_KATAKANA_SHI 0b10111100
#define JAPANESE_KATAKANA_SU 0b10111101
#define JAPANESE_KATAKANA_SE 0b10111110
#define JAPANESE_KATAKANA_SO 0b10111111
#define JAPANESE_KATAKANA_TA 0b11000000
#define JAPANESE_KATAKANA_CHI 0b11000001
#define JAPANESE_KATAKANA_TSU 0b11000010
#define JAPANESE_KATAKANA_TE 0b11000011
#define JAPANESE_KATAKANA_TO 0b11000100
#define JAPANESE_KATAKANA_NA 0b11000101
#define JAPANESE_KATAKANA_NI 0b11000110
#define JAPANESE_KATAKANA_NU 0b11000111
#define JAPANESE_KATAKANA_NE 0b11001000
#define JAPANESE_KATAKANA_NO 0b11001001
#define JAPANESE_KATAKANA_HA 0b11001010
#define JAPANESE_KATAKANA_HI 0b11001011
#define JAPANESE_KATAKANA_FU 0b11001100
#define JAPANESE_KATAKANA_HE 0b11001101
#define JAPANESE_KATAKANA_HO 0b11001110
#define JAPANESE_KATAKANA_MA 0b11001111
#define JAPANESE_KATAKANA_MI 0b11010000
#define JAPANESE_KATAKANA_MU 0b11010001
#define JAPANESE_KATAKANA_ME 0b11010010
#define JAPANESE_KATAKANA_MO 0b11010011
#define JAPANESE_KATAKANA_YA 0b11010100
#define JAPANESE_KATAKANA_YU 0b11010101
#define JAPANESE_KATAKANA_YO 0b11010110
#define JAPANESE_KATAKANA_RA 0b11010111
#define JAPANESE_KATAKANA_RI 0b11011000
#define JAPANESE_KATAKANA_RU 0b11011001
#define JAPANESE_KATAKANA_RE 0b11011010
#define JAPANESE_KATAKANA_RO 0b11011011
#define JAPANESE_KATAKANA_WA 0b11011100
#define JAPANESE_KATAKANA_N 0b11011101
#define JAPANESE_DAKUTEN 0b11011110
#define JAPANESE_HANDAKUTEN 0b11011111
#define MATH_ALPHA 0b11100000
#define UMLAUT_A 0b11100001
#define MATH_BETA 0b11100010
#define MATH_EPSILON 0b11100011
#define MATH_MU 0b11100100
#define MATH_SIGMA 0b11100101
#define MATH_RHO 0b11100110
#define MATH_G 0b11100111
#define MATH_SQRT 0b11101000
#define MATH_RECIPROCAL 0b11101001
#define MATH_J 0b11101010
#define MATH_ASTERISK 0b11101011
#define CURRENCY_CENT 0b11101100
#define CURRENCY_UNKNOWN 0b11101101
#define TILDE_N 0b11101110
#define UMLAUT_O 0b11101111
#define MATH_P 0b11110000
#define MATH_Q 0b11110001
#define MATH_THETA 0b11110010
#define MATH_INF 0b11110011
#define MATH_OMEGA 0b11110100
#define UMLAUT_U 0b11110101
#define MATH_SUM 0b11110110
#define MATH_PI 0b11110111
#define MATH_ABS_X 0b11111000
#define MATH_Y 0b11111001
#define JAPANESE_KANJI_SEN 0b11111010
#define JAPANESE_KANJI_MAN 0b11111011
#define JAPANESE_KANJI_YEN 0b11111100
#define MATH_DIVISION 0b11111101
#define CURSOR 0b11111111
#include <stdint.h>
#include <stdarg.h>
extern void waitMs(uint32_t ms);
typedef struct {
uint8_t RS, RW, E, D0, D1, D2, D3, D4, D5, D6, D7;
uint8_t interface_bits;
} LCDScreen;
extern LCDScreen* configurePins(LCDScreen* screen, uint8_t RS, uint8_t RW, uint8_t E,
uint8_t D0, uint8_t D1, uint8_t D2, uint8_t D3,
uint8_t D4, uint8_t D5, uint8_t D6, uint8_t D7);
extern void initScreen(LCDScreen* screen, uint8_t interface_bits, uint8_t num_lines, uint8_t fontType, uint8_t cursor, uint8_t writeDirection);
extern void resetPins(LCDScreen* screen);
extern void sendCommand(LCDScreen* screen, uint8_t command);
extern void sendData(LCDScreen* screen, uint8_t data);
extern void sendText(LCDScreen* screen, const char* text);
extern void sendChars(LCDScreen* screen, unsigned int len, ...);
extern void loadCustomChar(LCDScreen* screen, uint8_t cgram_addr, ...);
#define clearScreen(screen) sendCommand(screen, SCREEN_CLEAR)
#define returnCursor(screen) sendCommand(screen, CURSOR_RETURN);
#define setWritingDirection(screen, direction) sendCommand(screen, INPUT_SET | direction)
#define setDisplaySettings(screen, display, cursor_shown, cursor_behaviour) sendCommand(screen, DISPLAY_SWITCH | display | cursor_shown | cursor_behaviour)
#define shiftCursor(screen, direction) sendCommand(screen, SHIFT | CURSOR_SHIFT | direction)
#define shiftScreen(screen, direction) sendCommand(screen, SHIFT | DISPLAY_SHIFT | direction)
#define setCursor(screen, x, y) sendCommand(screen, DDRAM_AD_SET | (y << 6) | x)
#endif // RASPBERRY_LCD_H