crashtest-r0ket/lcd/fonts.h

37 lines
1.1 KiB
C

#ifndef __FONTS_H_
#define __FONTS_H_
/* Partially based on original code for the KS0108 by Stephane Rey */
/* Based on code code by Kevin Townsend */
#include <sysdefs.h>
typedef struct {
const uint8_t widthBits; // width, in bits (or pixels), of the character
} FONT_CHAR_INFO;
struct FONT_DEF {
uint8_t u8Width; /* Character width for storage */
uint8_t u8Height; /* Character height for storage */
uint8_t u8FirstChar; /* The first character available */
uint8_t u8LastChar; /* The last character available */
const uint8_t *au8FontTable; /* Font table start address in memory */
const FONT_CHAR_INFO *charInfo; /* Pointer to array of char information */
const uint16_t *charExtra; /* Pointer to array of extra char info */
};
typedef const struct FONT_DEF * FONT;
/* interesting / exported stuff */
#define FONT_DIR_LTR 0
#define FONT_DIR_RTL 1
// Not implemented
// #define FONT_DIR_UP 2
// #define FONT_DIR_DOWN 3
extern const struct FONT_DEF * font;
extern char font_direction;
#endif