--- /dev/null
+/*
+ * This file is part of the libsigrok project.
+ *
+ * Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
+ *
+ * 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_SCPI_DMM_PROTOCOL_H
+#define LIBSIGROK_HARDWARE_SCPI_DMM_PROTOCOL_H
+
+#include <config.h>
+#include <glib.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <libsigrok/libsigrok.h>
+#include "libsigrok-internal.h"
+#include "scpi.h"
+
+#define LOG_PREFIX "scpi-dmm"
+
+#define SCPI_DMM_MAX_CHANNELS 1
+
+enum scpi_dmm_cmdcode {
+ DMM_CMD_SETUP_REMOTE,
+ DMM_CMD_SETUP_FUNC,
+ DMM_CMD_QUERY_FUNC,
+ DMM_CMD_START_ACQ,
+ DMM_CMD_STOP_ACQ,
+ DMM_CMD_QUERY_VALUE,
+ DMM_CMD_QUERY_PREC,
+};
+
+struct mqopt_item {
+ enum sr_mq mq;
+ enum sr_mqflag mqflag;
+ const char *scpi_func_setup;
+ const char *scpi_func_query;
+ int default_precision;
+};
+#define NO_DFLT_PREC -99
+
+struct scpi_dmm_model {
+ const char *vendor;
+ const char *model;
+ size_t num_channels;
+ ssize_t digits;
+ const struct scpi_command *cmdset;
+ const struct mqopt_item *mqopts;
+ size_t mqopt_size;
+ int (*get_measurement)(const struct sr_dev_inst *sdi, size_t ch);
+ const uint32_t *devopts;
+ size_t devopts_size;
+ unsigned int read_timeout_us; /* If zero, use default from src/scpi/scpi.c. */
+};
+
+struct dev_context {
+ size_t num_channels;
+ const struct scpi_command *cmdset;
+ const struct scpi_dmm_model *model;
+ struct sr_sw_limits limits;
+ struct {
+ enum sr_mq curr_mq;
+ enum sr_mqflag curr_mqflag;
+ } start_acq_mq;
+ struct scpi_dmm_acq_info {
+ float f_value;
+ double d_value;
+ struct sr_datafeed_packet packet;
+ struct sr_datafeed_analog analog[SCPI_DMM_MAX_CHANNELS];
+ struct sr_analog_encoding encoding[SCPI_DMM_MAX_CHANNELS];
+ struct sr_analog_meaning meaning[SCPI_DMM_MAX_CHANNELS];
+ struct sr_analog_spec spec[SCPI_DMM_MAX_CHANNELS];
+ } run_acq_info;
+};
+
+SR_PRIV void scpi_dmm_cmd_delay(struct sr_scpi_dev_inst *scpi);
+SR_PRIV const struct mqopt_item *scpi_dmm_lookup_mq_number(
+ const struct sr_dev_inst *sdi, enum sr_mq mq, enum sr_mqflag flag);
+SR_PRIV const struct mqopt_item *scpi_dmm_lookup_mq_text(
+ const struct sr_dev_inst *sdi, const char *text);
+SR_PRIV int scpi_dmm_get_mq(const struct sr_dev_inst *sdi,
+ enum sr_mq *mq, enum sr_mqflag *flag, char **rsp,
+ const struct mqopt_item **mqitem);
+SR_PRIV int scpi_dmm_set_mq(const struct sr_dev_inst *sdi,
+ enum sr_mq mq, enum sr_mqflag flag);
+SR_PRIV int scpi_dmm_get_meas_agilent(const struct sr_dev_inst *sdi, size_t ch);
+SR_PRIV int scpi_dmm_receive_data(int fd, int revents, void *cb_data);
+
+#endif