libsigrok/src/hardware/uni-t-dmm/protocol.h

63 lines
1.7 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2012-2013 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_UNI_T_DMM_PROTOCOL_H
#define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H
#include <stdint.h>
#include <glib.h>
#include <libusb.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "uni-t-dmm"
struct dmm_info {
struct sr_dev_driver di;
const char *vendor;
const char *device;
uint32_t baudrate;
int packet_size;
gboolean (*packet_valid)(const uint8_t *);
int (*packet_parse)(const uint8_t *, float *,
struct sr_datafeed_analog_old *, void *);
void (*dmm_details)(struct sr_datafeed_analog_old *, void *);
gsize info_size;
};
#define CHUNK_SIZE 8
#define DMM_BUFSIZE 256
/** Private, per-device-instance driver context. */
struct dev_context {
struct sr_sw_limits limits;
gboolean first_run;
uint8_t protocol_buf[DMM_BUFSIZE];
uint8_t bufoffset;
uint8_t buflen;
};
SR_PRIV int uni_t_dmm_receive_data(int fd, int revents, void *cb_data);
#endif