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#pragma once
#include <stdint.h>
#include <stdbool.h>
#include "defs.h"
#define GB_PRINTER_MAX_COMMAND_LENGTH 0x280
#define GB_PRINTER_DATA_SIZE 0x280
typedef void (*GB_print_image_callback_t)(GB_gameboy_t *gb,
uint32_t *image,
uint8_t height,
uint8_t top_margin,
uint8_t bottom_margin,
uint8_t exposure);
typedef void (*GB_printer_done_callback_t)(GB_gameboy_t *gb);
typedef struct
{
/* Communication state machine */
GB_ENUM(uint8_t, {
GB_PRINTER_COMMAND_MAGIC1,
GB_PRINTER_COMMAND_MAGIC2,
GB_PRINTER_COMMAND_ID,
GB_PRINTER_COMMAND_COMPRESSION,
GB_PRINTER_COMMAND_LENGTH_LOW,
GB_PRINTER_COMMAND_LENGTH_HIGH,
GB_PRINTER_COMMAND_DATA,
GB_PRINTER_COMMAND_CHECKSUM_LOW,
GB_PRINTER_COMMAND_CHECKSUM_HIGH,
GB_PRINTER_COMMAND_ACTIVE,
GB_PRINTER_COMMAND_STATUS,
}) command_state;
GB_ENUM(uint8_t, {
GB_PRINTER_INIT_COMMAND = 1,
GB_PRINTER_START_COMMAND = 2,
GB_PRINTER_DATA_COMMAND = 4,
GB_PRINTER_NOP_COMMAND = 0xF,
}) command_id;
bool compression;
uint16_t length_left;
uint8_t command_data[GB_PRINTER_MAX_COMMAND_LENGTH];
uint16_t command_length;
uint16_t checksum;
uint8_t status;
uint8_t byte_to_send;
uint8_t image[160 * 200];
uint16_t image_offset;
uint32_t idle_time;
uint32_t time_remaining;
uint8_t compression_run_lenth;
bool compression_run_is_compressed;
uint8_t bits_received;
uint8_t byte_being_received;
bool bit_to_send;
} GB_printer_t;
void GB_connect_printer(GB_gameboy_t *gb, GB_print_image_callback_t callback, GB_printer_done_callback_t done_callback);
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