libsigrok/hardware/fluke-dmm/fluke-dmm.h

76 lines
2.1 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
*
* 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 LIBSIGROK_HARDWARE_FLUKE_DMM_FLUKE_DMM_H
#define LIBSIGROK_HARDWARE_FLUKE_DMM_FLUKE_DMM_H
/* Message logging helpers with subsystem-specific prefix string. */
#define LOG_PREFIX "fluke-dmm: "
#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
#define FLUKEDMM_BUFSIZE 256
/* Supported models */
enum {
FLUKE_187 = 1,
FLUKE_287,
FLUKE_190,
};
/* Supported device profiles */
struct flukedmm_profile {
int model;
const char *modelname;
/* How often to poll, in ms. */
int poll_period;
/* If no response received, how long to wait before retrying. */
int timeout;
};
/* Private, per-device-instance driver context. */
struct dev_context {
const struct flukedmm_profile *profile;
uint64_t limit_samples;
uint64_t limit_msec;
/* Opaque pointer passed in by the frontend. */
void *cb_data;
/* Runtime. */
uint64_t num_samples;
char buf[FLUKEDMM_BUFSIZE];
int buflen;
int64_t cmd_sent_at;
int expect_response;
int meas_type;
int is_relative;
int mq;
int unit;
int mqflags;
};
SR_PRIV int fluke_receive_data(int fd, int revents, void *cb_data);
#endif