libsigrok/hardware/agilent-dmm/agilent-dmm.h

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/*
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* This file is part of the libsigrok project.
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*
* 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_AGILENT_DMM_AGILENT_DMM_H
#define LIBSIGROK_HARDWARE_AGILENT_DMM_AGILENT_DMM_H
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/* Message logging helpers with subsystem-specific prefix string. */
#define LOG_PREFIX "agilent-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)
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#define AGDMM_BUFSIZE 256
/* Supported models */
enum {
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AGILENT_U1231A = 1,
AGILENT_U1232A,
AGILENT_U1233A,
AGILENT_U1251A,
AGILENT_U1252A,
AGILENT_U1253A,
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};
/* Supported device profiles */
struct agdmm_profile {
int model;
const char *modelname;
const struct agdmm_job *jobs;
const struct agdmm_recv *recvs;
};
/* Private, per-device-instance driver context. */
struct dev_context {
const struct agdmm_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;
int64_t jobqueue[8];
unsigned char buf[AGDMM_BUFSIZE];
int buflen;
int cur_mq;
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int cur_unit;
int cur_mqflags;
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int cur_divider;
int cur_acdc;
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int mode_tempaux;
int mode_continuity;
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};
struct agdmm_job {
int interval;
int (*send) (const struct sr_dev_inst *sdi);
};
struct agdmm_recv {
const char *recv_regex;
int (*recv) (const struct sr_dev_inst *sdi, GMatchInfo *match);
};
SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data);
#endif