+static struct sr_dev_driver scpi_dmm_driver_info;
+
+static const uint32_t scanopts[] = {
+ SR_CONF_CONN,
+ SR_CONF_SERIALCOMM,
+};
+
+static const uint32_t drvopts[] = {
+ SR_CONF_MULTIMETER,
+};
+
+static const uint32_t devopts_generic[] = {
+ SR_CONF_CONTINUOUS,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+};
+
+static const struct scpi_command cmdset_agilent[] = {
+ { DMM_CMD_SETUP_REMOTE, "\n", },
+ { DMM_CMD_SETUP_FUNC, "CONF:%s", },
+ { DMM_CMD_QUERY_FUNC, "CONF?", },
+ { DMM_CMD_START_ACQ, "MEAS", },
+ { DMM_CMD_STOP_ACQ, "ABORT", },
+ { DMM_CMD_QUERY_VALUE, "READ?", },
+ { DMM_CMD_QUERY_PREC, "CONF?", },
+ ALL_ZERO,
+};
+
+/*
+ * cmdset_hp is used for the 34401A, which was added to this code after the
+ * 34405A and 34465A. It differs in starting the measurement with INIT: using
+ * MEAS without a trailing '?' (as used for the 34405A) is not valid for the
+ * 34401A and gives an error.
+ * I'm surprised the same instruction sequence doesn't work and INIT may
+ * work for both, but I don't have the others to re-test.
+ *
+ * On the 34401A,
+ * MEAS <optional parameters> ? configures, arms, triggers and waits
+ * for a reading
+ * CONF <parameters> configures
+ * INIT prepares for triggering (trigger mode is not set, assumed
+ * internal - external might time out)
+ * *OPC waits for completion, and
+ * READ? retrieves the result
+ */
+static const struct scpi_command cmdset_hp[] = {
+ { DMM_CMD_SETUP_REMOTE, "\n", },
+ { DMM_CMD_SETUP_FUNC, "CONF:%s", },
+ { DMM_CMD_QUERY_FUNC, "CONF?", },
+ { DMM_CMD_START_ACQ, "INIT", },
+ { DMM_CMD_STOP_ACQ, "ABORT", },
+ { DMM_CMD_QUERY_VALUE, "READ?", },
+ { DMM_CMD_QUERY_PREC, "CONF?", },
+ ALL_ZERO,
+};
+
+static const struct mqopt_item mqopts_agilent_34405a[] = {
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
+ { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
+ { SR_MQ_CAPACITANCE, 0, "CAP", "CAP ", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
+ { SR_MQ_TEMPERATURE, 0, "TEMP", "TEMP ", NO_DFLT_PREC, },
+ { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
+};
+
+static const struct mqopt_item mqopts_agilent_34401a[] = {
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC, "VOLT:DC", "VOLT ", NO_DFLT_PREC, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_AC, "VOLT:AC", "VOLT:AC ", NO_DFLT_PREC, },
+ { SR_MQ_CURRENT, SR_MQFLAG_DC, "CURR:DC", "CURR ", NO_DFLT_PREC, },
+ { SR_MQ_CURRENT, SR_MQFLAG_AC, "CURR:AC", "CURR:AC ", NO_DFLT_PREC, },
+ { SR_MQ_RESISTANCE, 0, "RES", "RES ", NO_DFLT_PREC, },
+ { SR_MQ_RESISTANCE, SR_MQFLAG_FOUR_WIRE, "FRES", "FRES ", NO_DFLT_PREC, },
+ { SR_MQ_CONTINUITY, 0, "CONT", "CONT", -1, },
+ { SR_MQ_VOLTAGE, SR_MQFLAG_DC | SR_MQFLAG_DIODE, "DIOD", "DIOD", -4, },
+ { SR_MQ_FREQUENCY, 0, "FREQ", "FREQ ", NO_DFLT_PREC, },
+ { SR_MQ_TIME, 0, "PER", "PER ", NO_DFLT_PREC, },
+};
+
+SR_PRIV const struct scpi_dmm_model models[] = {
+ {
+ "Agilent", "34405A",
+ 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
+ scpi_dmm_get_meas_agilent,
+ ARRAY_AND_SIZE(devopts_generic),
+ 0,
+ },
+ {
+ "Keysight", "34465A",
+ 1, 5, cmdset_agilent, ARRAY_AND_SIZE(mqopts_agilent_34405a),
+ scpi_dmm_get_meas_agilent,
+ ARRAY_AND_SIZE(devopts_generic),
+ 0,
+ },
+ {
+ "HP", "34401A",
+ 1, 6, cmdset_hp, ARRAY_AND_SIZE(mqopts_agilent_34401a),
+ scpi_dmm_get_meas_agilent,
+ ARRAY_AND_SIZE(devopts_generic),
+ /* 34401A: typ. 1020ms for AC readings (default is 1000ms). */
+ 1000 * 1500,
+ },
+};
+
+static const struct scpi_dmm_model *is_compatible(const char *vendor, const char *model)