From b153cbd84327b97c6d1f7eacad52dab79e0c2d7e Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Sun, 12 Aug 2012 23:06:21 +0200 Subject: Created clean new BCM4751 gpsd code that works and prints the read data Signed-off-by: Paul Kocialkowski --- meif.h | 67 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 meif.h (limited to 'meif.h') diff --git a/meif.h b/meif.h new file mode 100644 index 0000000..f79b9b8 --- /dev/null +++ b/meif.h @@ -0,0 +1,67 @@ +/** + * This file is part of BCM4751 gpsd + * + * Copyright (C) 2011 Paul Kocialkowski + * + * BCM4751 gpsd 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. + * + * BCM4751 gpsd 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 BCM4751 gpsd. If not, see . + */ + +#include +#include +#include + +#ifndef _MEIF_H_ +#define _MEIF_H_ + +#define MEIF_START 0xA593 +#define MEIF_END 0xA568 + +/* + * Commands + */ + +#define MEIF_ACK_MSG 0x0000 +#define MEIF_NACK_MSG 0x0001 +//#define MEIF_ERROR_MSG 0x0002 or 0x0003 +#define MEIF_STATE_REPORT_MSG 0x0004 +#define MEIF_CONFIG_VALUES_MSG 0x0008 + +/* + * Data + */ + +/* + * Structures + */ + +struct meif_message { + uint16_t command; + uint16_t length; + void *data; +} __attribute__((__packed__)); + +struct meif_config_values_report { + uint8_t unknown1[36]; + char vendor[16]; + char product[16]; + uint8_t unknown2[2]; +} __attribute__((__packed__)); + +/* + * Functions + */ + +void meif_read_loop(int fd); + +#endif -- cgit v1.2.3