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75 lines
1.7 KiB
C
75 lines
1.7 KiB
C
/* Copyright (c) 2013-2017 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GB_PRINTER_H
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#define GB_PRINTER_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba/gb/interface.h>
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enum GBPrinterPacketByte {
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GB_PRINTER_BYTE_MAGIC_0,
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GB_PRINTER_BYTE_MAGIC_1,
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GB_PRINTER_BYTE_COMMAND,
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GB_PRINTER_BYTE_COMPRESSION,
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GB_PRINTER_BYTE_LENGTH_0,
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GB_PRINTER_BYTE_LENGTH_1,
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GB_PRINTER_BYTE_DATA,
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GB_PRINTER_BYTE_CHECKSUM_0,
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GB_PRINTER_BYTE_CHECKSUM_1,
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GB_PRINTER_BYTE_KEEPALIVE,
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GB_PRINTER_BYTE_STATUS,
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GB_PRINTER_BYTE_COMPRESSED_DATUM,
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GB_PRINTER_BYTE_UNCOMPRESSED_DATA
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};
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enum GBPrinterStatus {
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GB_PRINTER_STATUS_CHECKSUM_ERROR = 0x01,
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GB_PRINTER_STATUS_PRINTING = 0x02,
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GB_PRINTER_STATUS_PRINT_REQ = 0x04,
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GB_PRINTER_STATUS_READY = 0x08,
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GB_PRINTER_STATUS_LOW_BATTERY = 0x10,
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GB_PRINTER_STATUS_TIMEOUT = 0x20,
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GB_PRINTER_STATUS_PAPER_JAM = 0x40,
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GB_PRINTER_STATUS_TEMPERATURE_ISSUE = 0x80
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};
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enum GBPrinterCommand {
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GB_PRINTER_COMMAND_INIT = 0x1,
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GB_PRINTER_COMMAND_PRINT = 0x2,
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GB_PRINTER_COMMAND_DATA = 0x4,
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GB_PRINTER_COMMAND_STATUS = 0xF,
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};
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struct GBPrinter {
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struct GBSIODriver d;
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void (*print)(struct GBPrinter*, int height, const uint8_t* data);
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uint8_t* buffer;
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uint16_t checksum;
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enum GBPrinterCommand command;
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uint16_t remainingBytes;
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uint8_t remainingCmpBytes;
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unsigned currentIndex;
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bool compression;
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uint8_t byte;
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enum GBPrinterPacketByte next;
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uint8_t status;
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int printWait;
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};
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void GBPrinterCreate(struct GBPrinter* printer);
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void GBPrinterDonePrinting(struct GBPrinter* printer);
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CXX_GUARD_END
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#endif
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