[libsigrok.git] / hardware / center-3xx / protocol.h

/*
 * This file is part of the libsigrok project.
 *
 * Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#ifndef LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
#define LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H

#include <stdint.h>
#include <string.h>
#include <ctype.h>
#include <math.h>
#include <glib.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"

#define LOG_PREFIX "center-3xx"

/* Note: When adding entries here, don't forget to update CENTER_DEV_COUNT. */
enum {
	CENTER_309,
	VOLTCRAFT_K204,
};

#define CENTER_DEV_COUNT 2

struct center_dev_info {
	char *vendor;
	char *device;
	char *conn;
	int num_channels;
	uint32_t max_sample_points;
	uint8_t packet_size;
	gboolean (*packet_valid)(const uint8_t *);
	struct sr_dev_driver *di;
	int (*receive_data)(int, int, void *);
};

extern SR_PRIV const struct center_dev_info center_devs[CENTER_DEV_COUNT];

#define SERIAL_BUFSIZE 256

/** Private, per-device-instance driver context. */
struct dev_context {
	/** The current sampling limit (in number of samples). */
	uint64_t limit_samples;

	/** The current sampling limit (in ms). */
	uint64_t limit_msec;

	/** Opaque pointer passed in by the frontend. */
	void *cb_data;

	/** The current number of already received samples. */
	uint64_t num_samples;

	int64_t starttime;

	uint8_t buf[SERIAL_BUFSIZE];
	int bufoffset;
	int buflen;
};

SR_PRIV gboolean center_3xx_packet_valid(const uint8_t *buf);

SR_PRIV int receive_data_CENTER_309(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_VOLTCRAFT_K204(int fd, int revents, void *cb_data);

#endif
Commit	Line	Data
4433145f UH	1	/*
	2	* This file is part of the libsigrok project.
	3	*
	4	* Copyright (C) 2013 Uwe Hermann <uwe@hermann-uwe.de>
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with this program; if not, write to the Free Software
	18	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	19	*/
	20
	21	#ifndef LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
	22	#define LIBSIGROK_HARDWARE_CENTER_3XX_PROTOCOL_H
	23
	24	#include <stdint.h>
4a8bbed7 UH	25	#include <string.h>
	26	#include <ctype.h>
	27	#include <math.h>
4433145f UH	28	#include <glib.h>
	29	#include "libsigrok.h"
	30	#include "libsigrok-internal.h"
	31
3544f848	32	#define LOG_PREFIX "center-3xx"
4433145f	33
4a8bbed7 UH	34	/* Note: When adding entries here, don't forget to update CENTER_DEV_COUNT. */
	35	enum {
	36	CENTER_309,
	37	VOLTCRAFT_K204,
	38	};
	39
	40	#define CENTER_DEV_COUNT 2
	41
	42	struct center_dev_info {
	43	char *vendor;
	44	char *device;
	45	char *conn;
	46	int num_channels;
	47	uint32_t max_sample_points;
	48	uint8_t packet_size;
	49	gboolean (packet_valid)(const uint8_t );
	50	struct sr_dev_driver *di;
	51	int (receive_data)(int, int, void );
	52	};
	53
	54	extern SR_PRIV const struct center_dev_info center_devs[CENTER_DEV_COUNT];
	55
	56	#define SERIAL_BUFSIZE 256
	57
4433145f UH	58	/** Private, per-device-instance driver context. */
4433145f UH	59	struct dev_context {
4a8bbed7 UH	60	/** The current sampling limit (in number of samples). */
4a8bbed7 UH	61	uint64_t limit_samples;
4433145f	62
4a8bbed7 UH	63	/** The current sampling limit (in ms). */
4a8bbed7 UH	64	uint64_t limit_msec;
4433145f	65
4a8bbed7 UH	66	/** Opaque pointer passed in by the frontend. */
4a8bbed7 UH	67	void *cb_data;
4433145f	68
4a8bbed7 UH	69	/** The current number of already received samples. */
4a8bbed7 UH	70	uint64_t num_samples;
4433145f	71
4a8bbed7 UH	72	int64_t starttime;
	73
	74	uint8_t buf[SERIAL_BUFSIZE];
	75	int bufoffset;
	76	int buflen;
4433145f UH	77	};
4433145f UH	78
4a8bbed7 UH	79	SR_PRIV gboolean center_3xx_packet_valid(const uint8_t *buf);
	80
	81	SR_PRIV int receive_data_CENTER_309(int fd, int revents, void *cb_data);
	82	SR_PRIV int receive_data_VOLTCRAFT_K204(int fd, int revents, void *cb_data);
4433145f UH	83
4433145f UH	84	#endif