92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/*
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* This file is part of the libsigrok project.
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*
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* Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_UNI_T_DMM_PROTOCOL_H
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#include <stdint.h>
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#include <glib.h>
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#include <libusb.h>
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#include "libsigrok.h"
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#include "libsigrok-internal.h"
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/* Message logging helpers with driver-specific prefix string. */
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#define DRIVER_LOG_DOMAIN "uni-t-dmm: "
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#define sr_log(l, s, args...) sr_log(l, DRIVER_LOG_DOMAIN s, ## args)
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#define sr_spew(s, args...) sr_spew(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_dbg(s, args...) sr_dbg(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_info(s, args...) sr_info(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_warn(s, args...) sr_warn(DRIVER_LOG_DOMAIN s, ## args)
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#define sr_err(s, args...) sr_err(DRIVER_LOG_DOMAIN s, ## args)
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/* Note: When adding entries here, don't forget to update DMM_COUNT. */
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enum {
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UNI_T_UT61D,
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VOLTCRAFT_VC820,
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};
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#define DMM_COUNT 2
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struct dmm_info {
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char *vendor;
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char *device;
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uint32_t baudrate;
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int packet_size;
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int (*packet_request)(struct sr_serial_dev_inst *);
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gboolean (*packet_valid)(const uint8_t *);
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int (*packet_parse)(const uint8_t *, float *,
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struct sr_datafeed_analog *, void *);
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void (*dmm_details)(struct sr_datafeed_analog *, void *);
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struct sr_dev_driver *di;
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int (*receive_data)(int, int, void *);
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};
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extern SR_PRIV struct dmm_info udmms[DMM_COUNT];
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#define UT_D04_CABLE_USB_VID 0x1a86
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#define UT_D04_CABLE_USB_DID 0xe008
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#define CHUNK_SIZE 8
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#define NUM_DATA_BYTES 14
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/** Private, per-device-instance driver context. */
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struct dev_context {
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/** The current sampling limit (in number of samples). */
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uint64_t limit_samples;
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/** The current sampling limit (in ms). */
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uint64_t limit_msec;
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/** Opaque pointer passed in by the frontend. */
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void *cb_data;
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/** The current number of already received samples. */
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uint64_t num_samples;
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struct sr_usb_dev_inst *usb;
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uint8_t protocol_buf[14];
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};
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SR_PRIV int receive_data_UNI_T_UT61D(int fd, int revents, void *cb_data);
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SR_PRIV int receive_data_VOLTCRAFT_VC820(int fd, int revents, void *cb_data);
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#endif
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