201 lines
5.0 KiB
C
201 lines
5.0 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 Bert Vermeulen <bert@biot.com>
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* Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBSIGROK_HARDWARE_FLUKE_45_PROTOCOL_H
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#define LIBSIGROK_HARDWARE_FLUKE_45_PROTOCOL_H
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#include <stdint.h>
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#include <stdbool.h>
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#include <scpi.h>
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#define LOG_PREFIX "fluke-45"
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#define FLUKEDMM_BUFSIZE 256
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/* Always USB-serial, 1ms is plenty. */
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#define SERIAL_WRITE_TIMEOUT_MS 1
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enum data_format {
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/* Fluke 45 uses IEEE488v2. */
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FORMAT_IEEE488_2,
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};
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enum dmm_scpi_cmds {
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SCPI_CMD_CLS,
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SCPI_CMD_RST,
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SCPI_CMD_REMS,
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SCPI_CMD_RWLS,
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SCPI_CMD_LOCS,
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SCPI_CMD_LWLS,
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SCPI_CMD_REMOTE,
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SCPI_CMD_LOCAL,
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SCPI_CMD_SET_ACVOLTAGE,
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SCPI_CMD_SET_ACDCVOLTAGE,
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SCPI_CMD_SET_DCVOLTAGE,
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SCPI_CMD_SET_ACCURRENT,
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SCPI_CMD_SET_ACDCCURRENT,
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SCPI_CMD_SET_DCCURRENT,
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SCPI_CMD_SET_FREQUENCY,
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SCPI_CMD_SET_RESISTANCE,
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SCPI_CMD_SET_CONTINUITY,
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SCPI_CMD_SET_DIODE,
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SCPI_CMD_SET_AUTO,
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SCPI_CMD_GET_AUTO,
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SCPI_CMD_SET_FIXED,
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SCPI_CMD_SET_RANGE,
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SCPI_CMD_GET_RANGE_D1,
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SCPI_CMD_GET_RANGE_D2,
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SCPI_CMD_SET_DB,
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SCPI_CMD_SET_DBCLR,
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SCPI_CMD_SET_DBPOWER,
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SCPI_CMD_SET_DBREF,
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SCPI_CMD_GET_DBREF,
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SCPI_CMD_SET_HOLD,
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SCPI_CMD_SET_HOLDCLR,
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SCPI_CMD_SET_MAX,
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SCPI_CMD_SET_MIN,
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SCPI_CMD_SET_MMCLR,
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SCPI_CMD_SET_REL,
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SCPI_CMD_SET_RELCLR,
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SCPI_CMD_GET_MEAS_DD,
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SCPI_CMD_GET_MEAS_D1,
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SCPI_CMD_GET_MEAS_D2,
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SCPI_CMD_GET_RATE,
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SCPI_CMD_SET_RATE,
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SCPI_CMD_SET_TRIGGER,
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SCPI_CMD_GET_TRIGGER,
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};
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static const struct scpi_command fluke_45_cmdset[] = {
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{ SCPI_CMD_CLS, "*CLS" },
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{ SCPI_CMD_RST, "*RST" },
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{ SCPI_CMD_REMS, "*REMS" },
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{ SCPI_CMD_RWLS, "*RWLS" },
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{ SCPI_CMD_LOCS, "LOCS" },
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{ SCPI_CMD_LWLS, "LWLS" },
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{ SCPI_CMD_REMOTE, "REMS" },
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{ SCPI_CMD_LOCAL, "LOCS" },
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{ SCPI_CMD_SET_ACVOLTAGE, "VAC" },
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{ SCPI_CMD_SET_ACDCVOLTAGE, "VACDC" },
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{ SCPI_CMD_SET_DCVOLTAGE, "VDC" },
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{ SCPI_CMD_SET_ACCURRENT, "AAC" },
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{ SCPI_CMD_SET_ACDCCURRENT, "AACDC" },
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{ SCPI_CMD_SET_DCCURRENT, "ADC" },
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{ SCPI_CMD_SET_FREQUENCY, "FREQ" },
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{ SCPI_CMD_SET_RESISTANCE, "OHMS" },
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{ SCPI_CMD_SET_CONTINUITY, "CONT" },
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{ SCPI_CMD_SET_DIODE, "DIODE" },
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{ SCPI_CMD_SET_AUTO, "AUTO" },
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{ SCPI_CMD_GET_AUTO, "AUTO?" },
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{ SCPI_CMD_SET_FIXED, "FIXED" },
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{ SCPI_CMD_SET_RANGE, "RANGE" },
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{ SCPI_CMD_GET_RANGE_D1, "RANGE1?" },
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{ SCPI_CMD_GET_RANGE_D2, "RANGE2?" },
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{ SCPI_CMD_SET_DB, "DB" },
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{ SCPI_CMD_SET_DBCLR, "DBCLR" },
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{ SCPI_CMD_SET_DBPOWER, "DBPOWER" },
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{ SCPI_CMD_SET_DBREF, "DBREF" },
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{ SCPI_CMD_GET_DBREF, "DBREF?" },
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{ SCPI_CMD_SET_HOLD, "HOLD" },
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{ SCPI_CMD_SET_HOLDCLR, "HOLDCLR" },
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{ SCPI_CMD_SET_MAX, "MAX" },
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{ SCPI_CMD_SET_MIN, "MIN" },
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{ SCPI_CMD_SET_MMCLR, "MMCLR" },
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{ SCPI_CMD_SET_REL, "REL" },
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{ SCPI_CMD_SET_RELCLR, "RELCLR" },
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{ SCPI_CMD_GET_MEAS_DD, "MEAS?" },
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{ SCPI_CMD_GET_MEAS_D1, "MEAS1?" },
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{ SCPI_CMD_GET_MEAS_D2, "MEAS2?" },
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{ SCPI_CMD_SET_RATE, "RATE" },
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{ SCPI_CMD_GET_RATE, "RATE?" },
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{ SCPI_CMD_SET_TRIGGER, "TRIGGER" },
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{ SCPI_CMD_GET_TRIGGER, "TRIGGER?" },
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ALL_ZERO
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};
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struct fluke_scpi_dmm_model {
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const char *vendor;
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const char *model;
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int num_channels;
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int poll_period; /* How often to poll, in ms. */
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};
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struct channel_spec {
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const char *name;
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/* Min, max, programming resolution, spec digits, encoding digits. */
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double voltage[5];
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double current[5];
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double resistance[5];
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double capacitance[5];
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double conductance[5];
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double diode[5];
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};
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struct channel_group_spec {
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const char *name;
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uint64_t channel_index_mask;
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uint64_t features;
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};
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struct dmm_channel {
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enum sr_mq mq;
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unsigned int hw_output_idx;
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const char *hwname;
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int digits;
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};
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struct dmm_channel_instance {
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enum sr_mq mq;
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int command;
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const char *prefix;
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};
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struct dmm_channel_group {
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uint64_t features;
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};
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struct dev_context {
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struct sr_sw_limits limits;
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unsigned int num_channels;
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const struct scpi_command *cmdset;
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char *response;
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const char *mode1;
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const char *mode2;
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long range1;
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long range2;
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long autorng;
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const char *rate;
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long modifiers;
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long trigmode;
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};
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int get_reading_dd(char *reading, size_t size);
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SR_PRIV extern const struct fluke_scpi_dmm_model dmm_profiles[];
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SR_PRIV int fl45_scpi_receive_data(int fd, int revents, void *cb_data);
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SR_PRIV int fl45_scpi_get_response(const struct sr_dev_inst *sdi, char *cmd);
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SR_PRIV int fl45_get_status(const struct sr_dev_inst *sdi,
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struct sr_datafeed_analog *analog, int idx);
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SR_PRIV int fl45_get_modifiers(const struct sr_dev_inst *sdi,
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struct sr_datafeed_analog *analog, int idx);
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#endif
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