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

106 lines
3.3 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.h"
#include "libsigrok-internal.h"
/* Message logging helpers with subsystem-specific prefix string. */
#define LOG_PREFIX "uni-t-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)
/* Note: When adding entries here, don't forget to update DMM_COUNT. */
enum {
TECPEL_DMM_8061,
UNI_T_UT60A,
UNI_T_UT60E,
UNI_T_UT61D,
UNI_T_UT61E,
VOLTCRAFT_VC820,
VOLTCRAFT_VC830,
VOLTCRAFT_VC840,
};
#define DMM_COUNT 8
struct dmm_info {
char *vendor;
char *device;
uint32_t baudrate;
int packet_size;
int (*packet_request)(struct sr_serial_dev_inst *);
gboolean (*packet_valid)(const uint8_t *);
int (*packet_parse)(const uint8_t *, float *,
struct sr_datafeed_analog *, void *);
void (*dmm_details)(struct sr_datafeed_analog *, void *);
struct sr_dev_driver *di;
int (*receive_data)(int, int, void *);
};
extern SR_PRIV struct dmm_info udmms[DMM_COUNT];
#define CHUNK_SIZE 8
#define DMM_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;
gboolean first_run;
uint8_t protocol_buf[DMM_BUFSIZE];
uint8_t bufoffset;
uint8_t buflen;
};
SR_PRIV int receive_data_TECPEL_DMM_8061(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_UNI_T_UT60A(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_UNI_T_UT60E(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_UNI_T_UT61D(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_UNI_T_UT61E(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_VOLTCRAFT_VC820(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_VOLTCRAFT_VC830(int fd, int revents, void *cb_data);
SR_PRIV int receive_data_VOLTCRAFT_VC840(int fd, int revents, void *cb_data);
#endif