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#ifndef __DATA_H__
#define __DATA_H__
#include <stdint.h>
#include "bmlist.h"
typedef struct {
uint8_t header[6]; // magic
uint8_t flash;
uint8_t marquee;
uint8_t modes[8];
uint16_t sizes[8]; // big endian
uint8_t pad6[6];
uint8_t timestamp[6];
uint8_t pad4[4];
uint8_t separator[16];
uint8_t *bitmapdata;
} data_legacy_t;
#define LEGACY_TRANSFER_WIDTH (16)
#define LEGACY_HEADER_SIZE (sizeof(data_legacy_t) - sizeof(uint8_t *))
#define LEGACY_GET_SPEED(mode) ((mode) >> 4)
#define LEGACY_GET_ANIMATION(mode) ((mode) & 0x0F)
enum ANIMATION_MODES {
LEFT = 0,
RIGHT,
UP,
DOWN,
FIXED,
ANIMATION,
SNOWFLAKE,
PICTURE,
LASER,
};
static inline uint16_t bswap16(uint16_t i) {
return (i >> 8) | (i << 8);
}
uint32_t bigendian16_sum(uint16_t *s, int len);
uint32_t data_flatSave(uint8_t *data, uint32_t len);
uint16_t data_flash2newmem(uint8_t **chunk, uint32_t n);
data_legacy_t *data_get_header(int read_anyway);
void chunk2buffer(uint8_t *chunk, uint16_t size, uint16_t *buf);
void chunk2bm(uint8_t *chunk, uint16_t size, bm_t *bm);
bm_t *chunk2newbm(uint8_t *chunk, uint16_t size);
bm_t *flash2newbm(uint32_t n);
#endif /* __DATA_H__ */
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