[libsigrok.git] / hardware / uni-t-dmm / protocol.h

/*
 * This file is part of the sigrok project.
 *
 * Copyright (C) 2012 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_UNI_T_DMM_PROTOCOL_H
#define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H

#include <stdint.h>
#include <glib.h>
#include <libusb.h>
#include "libsigrok.h"
#include "libsigrok-internal.h"

/* Message logging helpers with driver-specific prefix string. */
#define DRIVER_LOG_DOMAIN "uni-t-dmm: "
#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)

/* Note: The order here must match dev_names[] in api.c. */
enum {
	UNI_T_UT61D,
	VOLTCRAFT_VC820,
};

#define UT_D04_CABLE_USB_VID	0x1a86
#define UT_D04_CABLE_USB_DID	0xe008

#define CHUNK_SIZE		8
#define NUM_DATA_BYTES		14

/** 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;

	struct sr_usb_dev_inst *usb;

	uint8_t protocol_buf[14];
};

SR_PRIV int uni_t_ut61d_receive_data(int fd, int revents, void *cb_data);
SR_PRIV int voltcraft_vc820_receive_data(int fd, int revents, void *cb_data);

#endif
Commit	Line	Data
79081ec8 UH	1	/*
	2	* This file is part of the sigrok project.
	3	*
	4	* Copyright (C) 2012 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_UNI_T_DMM_PROTOCOL_H
	22	#define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H
	23
	24	#include <stdint.h>
	25	#include <glib.h>
	26	#include <libusb.h>
	27	#include "libsigrok.h"
	28	#include "libsigrok-internal.h"
	29
	30	/* Message logging helpers with driver-specific prefix string. */
	31	#define DRIVER_LOG_DOMAIN "uni-t-dmm: "
	32	#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
	33	#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
	34	#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
	35	#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
	36	#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
	37	#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
	38
fdbcb86d UH	39	/* Note: The order here must match dev_names[] in api.c. */
	40	enum {
	41	UNI_T_UT61D,
	42	VOLTCRAFT_VC820,
	43	};
	44
79081ec8 UH	45	#define UT_D04_CABLE_USB_VID 0x1a86
	46	#define UT_D04_CABLE_USB_DID 0xe008
	47
	48	#define CHUNK_SIZE 8
	49	#define NUM_DATA_BYTES 14
	50
	51	/** Private, per-device-instance driver context. */
	52	struct dev_context {
	53	/** The current sampling limit (in number of samples). */
	54	uint64_t limit_samples;
	55
	56	/** The current sampling limit (in ms). */
	57	uint64_t limit_msec;
	58
	59	/** Opaque pointer passed in by the frontend. */
	60	void *cb_data;
	61
	62	/** The current number of already received samples. */
	63	uint64_t num_samples;
	64
	65	struct sr_usb_dev_inst *usb;
	66
	67	uint8_t protocol_buf[14];
	68	};
	69
fdbcb86d UH	70	SR_PRIV int uni_t_ut61d_receive_data(int fd, int revents, void *cb_data);
fdbcb86d UH	71	SR_PRIV int voltcraft_vc820_receive_data(int fd, int revents, void *cb_data);
79081ec8 UH	72
79081ec8 UH	73	#endif