diff options
author | Paul Kocialkowski | 2016-01-27 20:25:41 +0100 |
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committer | Paul Kocialkowski | 2016-01-27 20:28:18 +0100 |
commit | 2e31eedce5bc7d2fc37f8cd6be1a7177dd7f6da7 (patch) | |
tree | af51cb4c77bb03259848bc29352bc2819134e5e1 /src/hdlc.h |
lg-downloader: Tool for flashing LG devices' internal storage from download mode
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Diffstat (limited to 'src/hdlc.h')
-rw-r--r-- | src/hdlc.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/src/hdlc.h b/src/hdlc.h new file mode 100644 index 0000000..52f3756 --- /dev/null +++ b/src/hdlc.h @@ -0,0 +1,45 @@ +/* + * Copyright (C) 2016 Paul Kocialkowski <contact@paulk.fr> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef _HDLC_H_ +#define _HDLC_H_ + +#include "lg-downloader.h" + +/* + * Values + */ + +#define HDLC_FLAG 0x7e +#define HDLC_ESCAPE 0x7d +#define HDLC_ESCAPE_MASK 0x20 + +#define HDLC_CRC_SEED 0xffff +#define HDLC_CRC_FINAL 0xf0b8 + +#define HDLC_MIN_SIZE 12 +#define HDLC_HEAD_SIZE 1 +#define HDLC_TAIL_SIZE 3 + +/* + * Functions + */ + +int hdlc_send(struct context *context, const void *data, unsigned int size); +int hdlc_recv(struct context *context, void *data, unsigned int size); + +#endif |