]> sigrok.org Git - libsigrok.git/blobdiff - src/hardware/agilent-dmm/protocol.c
output/csv: use intermediate time_t var, silence compiler warning
[libsigrok.git] / src / hardware / agilent-dmm / protocol.c
index 834cc1481b23cd614eba351d8cfcf745e65bf061..f004ec4b751531d525f22196b664d20b4632ebe3 100644 (file)
 #include <config.h>
 #include <glib.h>
 #include <stdlib.h>
+#include <stdarg.h>
 #include <string.h>
+#include <limits.h>
 #include <math.h>
 #include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
 #include "protocol.h"
 
+#define JOB_TIMEOUT 300
+
+#define INFINITE_INTERVAL   INT_MAX
+#define SAMPLERATE_INTERVAL -1
+
+static const struct agdmm_job *job_current(const struct dev_context *devc)
+{
+       return &devc->jobs[devc->current_job];
+}
+
+static void job_done(struct dev_context *devc)
+{
+       devc->job_running = FALSE;
+}
+
+static void job_again(struct dev_context *devc)
+{
+       devc->job_again = TRUE;
+}
+
+static gboolean job_is_running(const struct dev_context *devc)
+{
+       return devc->job_running;
+}
+
+static gboolean job_in_interval(const struct dev_context *devc)
+{
+       int64_t job_start = devc->jobs_start[devc->current_job];
+       int64_t now = g_get_monotonic_time() / 1000;
+       int interval = job_current(devc)->interval;
+       if (interval == SAMPLERATE_INTERVAL)
+               interval = 1000 / devc->cur_samplerate;
+       return (now - job_start) < interval || interval == INFINITE_INTERVAL;
+}
+
+static gboolean job_has_timeout(const struct dev_context *devc)
+{
+       int64_t job_start = devc->jobs_start[devc->current_job];
+       int64_t now = g_get_monotonic_time() / 1000;
+       return job_is_running(devc) && (now - job_start) > JOB_TIMEOUT;
+}
+
+static const struct agdmm_job *job_next(struct dev_context *devc)
+{
+       int current_job = devc->current_job;
+       do {
+               devc->current_job++;
+               if (!job_current(devc)->send)
+                       devc->current_job = 0;
+       } while (job_in_interval(devc) && devc->current_job != current_job);
+       return job_current(devc);
+}
+
+static void job_run_again(const struct sr_dev_inst *sdi)
+{
+       struct dev_context *devc = sdi->priv;
+       devc->job_again = FALSE;
+       devc->job_running = TRUE;
+       if (job_current(devc)->send(sdi) == SR_ERR_NA)
+               job_done(devc);
+}
+
+static void job_run(const struct sr_dev_inst *sdi)
+{
+       struct dev_context *devc = sdi->priv;
+       int64_t now = g_get_monotonic_time() / 1000;
+       devc->jobs_start[devc->current_job] = now;
+       job_run_again(sdi);
+}
+
 static void dispatch(const struct sr_dev_inst *sdi)
 {
-       struct dev_context *devc;
-       const struct agdmm_job *jobs;
-       int64_t now;
-       int i;
+       struct dev_context *devc = sdi->priv;
 
-       devc = sdi->priv;
-       jobs = devc->profile->jobs;
-       now = g_get_monotonic_time() / 1000;
-       for (i = 0; (&jobs[i])->interval; i++) {
-               if (now - devc->jobqueue[i] > (&jobs[i])->interval) {
-                       sr_spew("Running job %d.", i);
-                       (&jobs[i])->send(sdi);
-                       devc->jobqueue[i] = now;
-               }
+       if (devc->job_again) {
+               job_run_again(sdi);
+               return;
        }
+
+       if (!job_is_running(devc))
+               job_next(devc);
+       else if (job_has_timeout(devc))
+               job_done(devc);
+
+       if (!job_is_running(devc) && !job_in_interval(devc))
+               job_run(sdi);
 }
 
-static void receive_line(const struct sr_dev_inst *sdi)
+static gboolean receive_line(const struct sr_dev_inst *sdi)
 {
        struct dev_context *devc;
        const struct agdmm_recv *recvs, *recv;
        GRegex *reg;
        GMatchInfo *match;
+       gboolean stop = FALSE;
        int i;
 
        devc = sdi->priv;
@@ -77,7 +149,13 @@ static void receive_line(const struct sr_dev_inst *sdi)
                g_regex_unref(reg);
        }
        if (recv) {
-               recv->recv(sdi, match);
+               enum job_type type = recv->recv(sdi, match);
+               if (type == job_current(devc)->type)
+                       job_done(devc);
+               else if (type == JOB_AGAIN)
+                       job_again(devc);
+               else if (type == JOB_STOP)
+                       stop = TRUE;
                g_match_info_unref(match);
                g_regex_unref(reg);
        } else
@@ -85,6 +163,7 @@ static void receive_line(const struct sr_dev_inst *sdi)
 
        /* Done with this. */
        devc->buflen = 0;
+       return stop;
 }
 
 SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
@@ -92,6 +171,7 @@ SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
        struct sr_dev_inst *sdi;
        struct dev_context *devc;
        struct sr_serial_dev_inst *serial;
+       gboolean stop = FALSE;
        int len;
 
        (void)fd;
@@ -113,29 +193,32 @@ SR_PRIV int agdmm_receive_data(int fd, int revents, void *cb_data)
                        *(devc->buf + devc->buflen) = '\0';
                        if (*(devc->buf + devc->buflen - 1) == '\n') {
                                /* End of line */
-                               receive_line(sdi);
+                               stop = receive_line(sdi);
                                break;
                        }
                }
        }
 
-       dispatch(sdi);
-
-       if (sr_sw_limits_check(&devc->limits))
-               sdi->driver->dev_acquisition_stop(sdi);
+       if (sr_sw_limits_check(&devc->limits) || stop)
+               sr_dev_acquisition_stop(sdi);
+       else
+               dispatch(sdi);
 
        return TRUE;
 }
 
-static int agdmm_send(const struct sr_dev_inst *sdi, const char *cmd)
+static int agdmm_send(const struct sr_dev_inst *sdi, const char *cmd, ...)
 {
        struct sr_serial_dev_inst *serial;
+       va_list args;
        char buf[32];
 
        serial = sdi->conn;
 
-       sr_spew("Sending '%s'.", cmd);
-       strncpy(buf, cmd, 28);
+       va_start(args, cmd);
+       vsnprintf(buf, sizeof(buf) - 3, cmd, args);
+       va_end(args);
+       sr_spew("Sending '%s'.", buf);
        if (!strncmp(buf, "*IDN?", 5))
                strcat(buf, "\r\n");
        else
@@ -165,20 +248,20 @@ static int recv_stat_u123x(const struct sr_dev_inst *sdi, GMatchInfo *match)
        /* Max, Min or Avg mode -- no way to tell which, so we'll
         * set both flags to denote it's not a normal measurement. */
        if (s[0] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
+               devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
        else
-               devc->cur_mqflags &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);
+               devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);
 
        if (s[1] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_RELATIVE;
+               devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_RELATIVE;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
 
        /* Triggered or auto hold modes. */
        if (s[2] == '1' || s[3] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
 
        /* Temp/aux mode. */
        if (s[7] == '1')
@@ -194,7 +277,7 @@ static int recv_stat_u123x(const struct sr_dev_inst *sdi, GMatchInfo *match)
 
        g_free(s);
 
-       return SR_OK;
+       return JOB_STAT;
 }
 
 static int recv_stat_u124x(const struct sr_dev_inst *sdi, GMatchInfo *match)
@@ -209,24 +292,57 @@ static int recv_stat_u124x(const struct sr_dev_inst *sdi, GMatchInfo *match)
        /* Max, Min or Avg mode -- no way to tell which, so we'll
         * set both flags to denote it's not a normal measurement. */
        if (s[0] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
+               devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN;
        else
-               devc->cur_mqflags &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);
+               devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN);
 
        if (s[1] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_RELATIVE;
+               devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_RELATIVE;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
 
        /* Hold mode. */
        if (s[7] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
 
        g_free(s);
 
-       return SR_OK;
+       return JOB_STAT;
+}
+
+static int recv_stat_u124xc(const struct sr_dev_inst *sdi, GMatchInfo *match)
+{
+       struct dev_context *devc;
+       char *s;
+
+       devc = sdi->priv;
+       s = g_match_info_fetch(match, 1);
+       sr_spew("STAT response '%s'.", s);
+
+       /* Max, Min or Avg mode -- no way to tell which, so we'll
+        * set both flags to denote it's not a normal measurement. */
+       if (s[0] == '1')
+               devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG;
+       else
+               devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG);
+
+       /* Null function. */
+       if (s[1] == '1')
+               devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
+       else
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
+
+       /* Triggered or auto hold modes. */
+       if (s[7] == '1' || s[11] == '1')
+               devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
+       else
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
+
+       g_free(s);
+
+       return JOB_STAT;
 }
 
 static int recv_stat_u125x(const struct sr_dev_inst *sdi, GMatchInfo *match)
@@ -238,21 +354,29 @@ static int recv_stat_u125x(const struct sr_dev_inst *sdi, GMatchInfo *match)
        s = g_match_info_fetch(match, 1);
        sr_spew("STAT response '%s'.", s);
 
+       /* dBm/dBV modes. */
+       if ((s[2] & ~0x20) == 'M')
+               devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_MW;
+       else if ((s[2] & ~0x20) == 'V')
+               devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_VOLT;
+       else
+               devc->mode_dbm_dbv = 0;
+
        /* Peak hold mode. */
        if (s[4] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_MAX;
+               devc->cur_mqflags[0] |= SR_MQFLAG_MAX;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_MAX;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_MAX;
 
        /* Triggered hold mode. */
        if (s[7] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
 
        g_free(s);
 
-       return SR_OK;
+       return JOB_STAT;
 }
 
 static int recv_stat_u128x(const struct sr_dev_inst *sdi, GMatchInfo *match)
@@ -267,40 +391,52 @@ static int recv_stat_u128x(const struct sr_dev_inst *sdi, GMatchInfo *match)
        /* Max, Min or Avg mode -- no way to tell which, so we'll
         * set both flags to denote it's not a normal measurement. */
        if (s[0] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG;
+               devc->cur_mqflags[0] |= SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG;
        else
-               devc->cur_mqflags &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG);
+               devc->cur_mqflags[0] &= ~(SR_MQFLAG_MAX | SR_MQFLAG_MIN | SR_MQFLAG_AVG);
+
+       /* dBm/dBV modes. */
+       if ((s[2] & ~0x20) == 'M')
+               devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_MW;
+       else if ((s[2] & ~0x20) == 'V')
+               devc->mode_dbm_dbv = devc->cur_unit[0] = SR_UNIT_DECIBEL_VOLT;
+       else
+               devc->mode_dbm_dbv = 0;
 
        /* Peak hold mode. */
        if (s[4] == '4')
-               devc->cur_mqflags |= SR_MQFLAG_MAX;
+               devc->cur_mqflags[0] |= SR_MQFLAG_MAX;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_MAX;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_MAX;
 
        /* Null function. */
        if (s[1] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_RELATIVE;
+               devc->cur_mqflags[0] |= SR_MQFLAG_RELATIVE;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_RELATIVE;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_RELATIVE;
 
        /* Triggered or auto hold modes. */
        if (s[7] == '1' || s[11] == '1')
-               devc->cur_mqflags |= SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] |= SR_MQFLAG_HOLD;
        else
-               devc->cur_mqflags &= ~SR_MQFLAG_HOLD;
+               devc->cur_mqflags[0] &= ~SR_MQFLAG_HOLD;
 
        g_free(s);
 
-       return SR_OK;
+       return JOB_STAT;
 }
 
 static int send_fetc(const struct sr_dev_inst *sdi)
 {
-       struct dev_context *devc;
-       devc = sdi->priv;
+       struct dev_context *devc = sdi->priv;
+
        if (devc->mode_squarewave)
-               return SR_OK;
-       return agdmm_send(sdi, "FETC?");
+               return SR_ERR_NA;
+
+       if (devc->cur_channel->index > 0)
+               return agdmm_send(sdi, "FETC? @%d", devc->cur_channel->index + 1);
+       else
+               return agdmm_send(sdi, "FETC?");
 }
 
 static int recv_fetc(const struct sr_dev_inst *sdi, GMatchInfo *match)
@@ -311,18 +447,20 @@ static int recv_fetc(const struct sr_dev_inst *sdi, GMatchInfo *match)
        struct sr_analog_encoding encoding;
        struct sr_analog_meaning meaning;
        struct sr_analog_spec spec;
+       struct sr_channel *prev_chan;
        float fvalue;
        const char *s;
        char *mstr;
+       int i, exp;
 
        sr_spew("FETC reply '%s'.", g_match_info_get_string(match));
        devc = sdi->priv;
+       i = devc->cur_channel->index;
 
-       if (devc->cur_mq == -1)
-               /* Haven't seen configuration yet, so can't know what
-                * the fetched float means. Not really an error, we'll
-                * get metadata soon enough. */
-               return SR_OK;
+       if (devc->cur_mq[i] == -1)
+               /* This detects when channel P2 is reporting TEMP as an identical
+                * copy of channel P3. In this case, we just skip P2. */
+               goto skip_value;
 
        s = g_match_info_get_string(match);
        if (!strcmp(s, "-9.90000000E+37") || !strcmp(s, "+9.90000000E+37")) {
@@ -338,41 +476,69 @@ static int recv_fetc(const struct sr_dev_inst *sdi, GMatchInfo *match)
                        return SR_ERR;
                }
                g_free(mstr);
-               if (devc->cur_exponent != 0)
-                       fvalue *= powf(10, devc->cur_exponent);
+               if (devc->cur_exponent[i] != 0)
+                       fvalue *= powf(10, devc->cur_exponent[i]);
+       }
+
+       if (devc->cur_unit[i] == SR_UNIT_DECIBEL_MW ||
+           devc->cur_unit[i] == SR_UNIT_DECIBEL_VOLT ||
+           devc->cur_unit[i] == SR_UNIT_PERCENTAGE) {
+               mstr = g_match_info_fetch(match, 2);
+               if (mstr && sr_atoi(mstr, &exp) == SR_OK) {
+                       devc->cur_digits[i] = MIN(4 - exp, devc->cur_digits[i]);
+                       devc->cur_encoding[i] = MIN(5 - exp, devc->cur_encoding[i]);
+               }
+               g_free(mstr);
        }
 
        sr_analog_init(&analog, &encoding, &meaning, &spec,
-                      devc->cur_digits - devc->cur_exponent);
-       analog.meaning->mq = devc->cur_mq;
-       analog.meaning->unit = devc->cur_unit;
-       analog.meaning->mqflags = devc->cur_mqflags;
-       analog.meaning->channels = sdi->channels;
+                      devc->cur_digits[i] - devc->cur_exponent[i]);
+       analog.meaning->mq = devc->cur_mq[i];
+       analog.meaning->unit = devc->cur_unit[i];
+       analog.meaning->mqflags = devc->cur_mqflags[i];
+       analog.meaning->channels = g_slist_append(NULL, devc->cur_channel);
        analog.num_samples = 1;
        analog.data = &fvalue;
-       encoding.digits = devc->cur_encoding - devc->cur_exponent;
+       encoding.digits = devc->cur_encoding[i] - devc->cur_exponent[i];
        packet.type = SR_DF_ANALOG;
        packet.payload = &analog;
        sr_session_send(sdi, &packet);
+       g_slist_free(analog.meaning->channels);
 
        sr_sw_limits_update_samples_read(&devc->limits, 1);
 
-       return SR_OK;
+skip_value:
+       prev_chan = devc->cur_channel;
+       devc->cur_channel = sr_next_enabled_channel(sdi, devc->cur_channel);
+       if (devc->cur_channel->index > prev_chan->index)
+               return JOB_AGAIN;
+       else
+               return JOB_FETC;
 }
 
 static int send_conf(const struct sr_dev_inst *sdi)
 {
-       return agdmm_send(sdi, "CONF?");
+       struct dev_context *devc = sdi->priv;
+
+       /* Do not try to send CONF? for internal temperature channel. */
+       if (devc->cur_conf->index >= MIN(devc->profile->nb_channels, 2))
+               return SR_ERR_NA;
+
+       if (devc->cur_conf->index > 0)
+               return agdmm_send(sdi, "CONF? @%d", devc->cur_conf->index + 1);
+       else
+               return agdmm_send(sdi, "CONF?");
 }
 
 static int recv_conf_u123x(const struct sr_dev_inst *sdi, GMatchInfo *match)
 {
        struct dev_context *devc;
        char *mstr, *rstr;
-       int resolution;
+       int i, resolution;
 
        sr_spew("CONF? response '%s'.", g_match_info_get_string(match));
        devc = sdi->priv;
+       i = devc->cur_conf->index;
 
        rstr = g_match_info_fetch(match, 2);
        if (rstr)
@@ -381,190 +547,247 @@ static int recv_conf_u123x(const struct sr_dev_inst *sdi, GMatchInfo *match)
 
        mstr = g_match_info_fetch(match, 1);
        if (!strcmp(mstr, "V")) {
-               devc->cur_mq = SR_MQ_VOLTAGE;
-               devc->cur_unit = SR_UNIT_VOLT;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 4 - resolution;
+               devc->cur_mq[i] = SR_MQ_VOLTAGE;
+               devc->cur_unit[i] = SR_UNIT_VOLT;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 4 - resolution;
        } else if (!strcmp(mstr, "MV")) {
                if (devc->mode_tempaux) {
-                       devc->cur_mq = SR_MQ_TEMPERATURE;
+                       devc->cur_mq[i] = SR_MQ_TEMPERATURE;
                        /* No way to detect whether Fahrenheit or Celsius
                         * is used, so we'll just default to Celsius. */
-                       devc->cur_unit = SR_UNIT_CELSIUS;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-                       devc->cur_digits = 1;
+                       devc->cur_unit[i] = SR_UNIT_CELSIUS;
+                       devc->cur_mqflags[i] = 0;
+                       devc->cur_exponent[i] = 0;
+                       devc->cur_digits[i] = 1;
                } else {
-                       devc->cur_mq = SR_MQ_VOLTAGE;
-                       devc->cur_unit = SR_UNIT_VOLT;
-                       devc->cur_mqflags = 0;
-                       devc->cur_exponent = -3;
-                       devc->cur_digits = 5 - resolution;
+                       devc->cur_mq[i] = SR_MQ_VOLTAGE;
+                       devc->cur_unit[i] = SR_UNIT_VOLT;
+                       devc->cur_mqflags[i] = 0;
+                       devc->cur_exponent[i] = -3;
+                       devc->cur_digits[i] = 5 - resolution;
                }
        } else if (!strcmp(mstr, "A")) {
-               devc->cur_mq = SR_MQ_CURRENT;
-               devc->cur_unit = SR_UNIT_AMPERE;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 3 - resolution;
+               devc->cur_mq[i] = SR_MQ_CURRENT;
+               devc->cur_unit[i] = SR_UNIT_AMPERE;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 3 - resolution;
+       } else if (!strcmp(mstr, "MA")) {
+               devc->cur_mq[i] = SR_MQ_CURRENT;
+               devc->cur_unit[i] = SR_UNIT_AMPERE;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = -3;
+               devc->cur_digits[i] = 8 - resolution;
        } else if (!strcmp(mstr, "UA")) {
-               devc->cur_mq = SR_MQ_CURRENT;
-               devc->cur_unit = SR_UNIT_AMPERE;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = -6;
-               devc->cur_digits = 8 - resolution;
+               devc->cur_mq[i] = SR_MQ_CURRENT;
+               devc->cur_unit[i] = SR_UNIT_AMPERE;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = -6;
+               devc->cur_digits[i] = 8 - resolution;
        } else if (!strcmp(mstr, "FREQ")) {
-               devc->cur_mq = SR_MQ_FREQUENCY;
-               devc->cur_unit = SR_UNIT_HERTZ;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 2 - resolution;
+               devc->cur_mq[i] = SR_MQ_FREQUENCY;
+               devc->cur_unit[i] = SR_UNIT_HERTZ;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 2 - resolution;
        } else if (!strcmp(mstr, "RES")) {
                if (devc->mode_continuity) {
-                       devc->cur_mq = SR_MQ_CONTINUITY;
-                       devc->cur_unit = SR_UNIT_BOOLEAN;
+                       devc->cur_mq[i] = SR_MQ_CONTINUITY;
+                       devc->cur_unit[i] = SR_UNIT_BOOLEAN;
                } else {
-                       devc->cur_mq = SR_MQ_RESISTANCE;
-                       devc->cur_unit = SR_UNIT_OHM;
+                       devc->cur_mq[i] = SR_MQ_RESISTANCE;
+                       devc->cur_unit[i] = SR_UNIT_OHM;
                }
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 1 - resolution;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 1 - resolution;
        } else if (!strcmp(mstr, "DIOD")) {
-               devc->cur_mq = SR_MQ_VOLTAGE;
-               devc->cur_unit = SR_UNIT_VOLT;
-               devc->cur_mqflags = SR_MQFLAG_DIODE;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 3;
+               devc->cur_mq[i] = SR_MQ_VOLTAGE;
+               devc->cur_unit[i] = SR_UNIT_VOLT;
+               devc->cur_mqflags[i] = SR_MQFLAG_DIODE | SR_MQFLAG_DC;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 3;
+       } else if (!strcmp(mstr, "TEMP")) {
+               devc->cur_mq[i] = SR_MQ_TEMPERATURE;
+               devc->cur_unit[i] = SR_UNIT_CELSIUS;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 1;
        } else if (!strcmp(mstr, "CAP")) {
-               devc->cur_mq = SR_MQ_CAPACITANCE;
-               devc->cur_unit = SR_UNIT_FARAD;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 9 - resolution;
+               devc->cur_mq[i] = SR_MQ_CAPACITANCE;
+               devc->cur_unit[i] = SR_UNIT_FARAD;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 9 - resolution;
        } else
                sr_dbg("Unknown first argument.");
        g_free(mstr);
 
        /* This is based on guess, supposing similarity with other models. */
-       devc->cur_encoding = devc->cur_digits + 1;
+       devc->cur_encoding[i] = devc->cur_digits[i] + 1;
 
        if (g_match_info_get_match_count(match) == 4) {
                mstr = g_match_info_fetch(match, 3);
                /* Third value, if present, is always AC or DC. */
                if (!strcmp(mstr, "AC")) {
-                       devc->cur_mqflags |= SR_MQFLAG_AC;
-                       if (devc->cur_mq == SR_MQ_VOLTAGE)
-                               devc->cur_mqflags |= SR_MQFLAG_RMS;
+                       devc->cur_mqflags[i] |= SR_MQFLAG_AC;
+                       if (devc->cur_mq[i] == SR_MQ_VOLTAGE)
+                               devc->cur_mqflags[i] |= SR_MQFLAG_RMS;
                } else if (!strcmp(mstr, "DC")) {
-                       devc->cur_mqflags |= SR_MQFLAG_DC;
+                       devc->cur_mqflags[i] |= SR_MQFLAG_DC;
+               } else if (!strcmp(mstr, "ACDC")) {
+                       devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
                } else {
-               sr_dbg("Unknown first argument '%s'.", mstr);
+                       sr_dbg("Unknown first argument '%s'.", mstr);
                }
                g_free(mstr);
        } else
-               devc->cur_mqflags &= ~(SR_MQFLAG_AC | SR_MQFLAG_DC);
-
-       return SR_OK;
+               devc->cur_mqflags[i] &= ~(SR_MQFLAG_AC | SR_MQFLAG_DC);
+
+       struct sr_channel *prev_conf = devc->cur_conf;
+       devc->cur_conf = sr_next_enabled_channel(sdi, devc->cur_conf);
+       if (devc->cur_conf->index >= MIN(devc->profile->nb_channels, 2))
+               devc->cur_conf = sr_next_enabled_channel(sdi, devc->cur_conf);
+       if (devc->cur_conf->index > prev_conf->index)
+               return JOB_AGAIN;
+       else
+               return JOB_CONF;
 }
 
 static int recv_conf_u124x_5x(const struct sr_dev_inst *sdi, GMatchInfo *match)
 {
        struct dev_context *devc;
        char *mstr, *rstr, *m2;
-       int resolution;
+       int i, resolution;
 
        sr_spew("CONF? response '%s'.", g_match_info_get_string(match));
        devc = sdi->priv;
+       i = devc->cur_conf->index;
 
        devc->mode_squarewave = 0;
 
        rstr = g_match_info_fetch(match, 4);
        if (rstr && sr_atoi(rstr, &resolution) == SR_OK) {
-               devc->cur_digits = -resolution;
-               devc->cur_encoding = -resolution + 1;
+               devc->cur_digits[i] = -resolution;
+               devc->cur_encoding[i] = -resolution + 1;
        }
        g_free(rstr);
 
        mstr = g_match_info_fetch(match, 1);
        if (!strncmp(mstr, "VOLT", 4)) {
-               devc->cur_mq = SR_MQ_VOLTAGE;
-               devc->cur_unit = SR_UNIT_VOLT;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_VOLTAGE;
+               devc->cur_unit[i] = SR_UNIT_VOLT;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               if (i == 0 && devc->mode_dbm_dbv) {
+                       devc->cur_unit[i] = devc->mode_dbm_dbv;
+                       devc->cur_digits[i] = 3;
+                       devc->cur_encoding[i] = 4;
+               }
                if (mstr[4] == ':') {
                        if (!strncmp(mstr + 5, "ACDC", 4)) {
                                /* AC + DC offset */
-                               devc->cur_mqflags |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
+                               devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
                        } else if (!strncmp(mstr + 5, "AC", 2)) {
-                               devc->cur_mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
+                               devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
                        } else if (!strncmp(mstr + 5, "DC", 2)) {
-                               devc->cur_mqflags |= SR_MQFLAG_DC;
+                               devc->cur_mqflags[i] |= SR_MQFLAG_DC;
+                       } else if (!strncmp(mstr + 5, "HRAT", 4)) {
+                               devc->cur_mq[i] = SR_MQ_HARMONIC_RATIO;
+                               devc->cur_unit[i] = SR_UNIT_PERCENTAGE;
+                               devc->cur_digits[i] = 2;
+                               devc->cur_encoding[i] = 3;
                        }
                } else
-                       devc->cur_mqflags |= SR_MQFLAG_DC;
+                       devc->cur_mqflags[i] |= SR_MQFLAG_DC;
        } else if (!strncmp(mstr, "CURR", 4)) {
-               devc->cur_mq = SR_MQ_CURRENT;
-               devc->cur_unit = SR_UNIT_AMPERE;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_CURRENT;
+               devc->cur_unit[i] = SR_UNIT_AMPERE;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
                if (mstr[4] == ':') {
                        if (!strncmp(mstr + 5, "ACDC", 4)) {
                                /* AC + DC offset */
-                               devc->cur_mqflags |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
+                               devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_DC | SR_MQFLAG_RMS;
                        } else if (!strncmp(mstr + 5, "AC", 2)) {
-                               devc->cur_mqflags |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
+                               devc->cur_mqflags[i] |= SR_MQFLAG_AC | SR_MQFLAG_RMS;
                        } else if (!strncmp(mstr + 5, "DC", 2)) {
-                               devc->cur_mqflags |= SR_MQFLAG_DC;
+                               devc->cur_mqflags[i] |= SR_MQFLAG_DC;
                        }
                } else
-                       devc->cur_mqflags |= SR_MQFLAG_DC;
+                       devc->cur_mqflags[i] |= SR_MQFLAG_DC;
        } else if (!strcmp(mstr, "RES")) {
-               devc->cur_mq = SR_MQ_RESISTANCE;
-               devc->cur_unit = SR_UNIT_OHM;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_RESISTANCE;
+               devc->cur_unit[i] = SR_UNIT_OHM;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
        } else if (!strcmp(mstr, "COND")) {
-               devc->cur_mq = SR_MQ_CONDUCTANCE;
-               devc->cur_unit = SR_UNIT_SIEMENS;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_CONDUCTANCE;
+               devc->cur_unit[i] = SR_UNIT_SIEMENS;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
        } else if (!strcmp(mstr, "CAP")) {
-               devc->cur_mq = SR_MQ_CAPACITANCE;
-               devc->cur_unit = SR_UNIT_FARAD;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_CAPACITANCE;
+               devc->cur_unit[i] = SR_UNIT_FARAD;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
        } else if (!strncmp(mstr, "FREQ", 4) || !strncmp(mstr, "FC1", 3)) {
-               devc->cur_mq = SR_MQ_FREQUENCY;
-               devc->cur_unit = SR_UNIT_HERTZ;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_FREQUENCY;
+               devc->cur_unit[i] = SR_UNIT_HERTZ;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+       } else if (!strncmp(mstr, "PULS:PWID", 9)) {
+               devc->cur_mq[i] = SR_MQ_PULSE_WIDTH;
+               devc->cur_unit[i] = SR_UNIT_SECOND;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_encoding[i] = MIN(devc->cur_encoding[i], 6);
+       } else if (!strncmp(mstr, "PULS:PDUT", 9)) {
+               devc->cur_mq[i] = SR_MQ_DUTY_CYCLE;
+               devc->cur_unit[i] = SR_UNIT_PERCENTAGE;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 3;
+               devc->cur_encoding[i] = 4;
        } else if (!strcmp(mstr, "CONT")) {
-               devc->cur_mq = SR_MQ_CONTINUITY;
-               devc->cur_unit = SR_UNIT_BOOLEAN;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
+               devc->cur_mq[i] = SR_MQ_CONTINUITY;
+               devc->cur_unit[i] = SR_UNIT_OHM;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
        } else if (!strcmp(mstr, "DIOD")) {
-               devc->cur_mq = SR_MQ_VOLTAGE;
-               devc->cur_unit = SR_UNIT_VOLT;
-               devc->cur_mqflags = SR_MQFLAG_DIODE;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 4;
-               devc->cur_encoding = 5;
+               devc->cur_mq[i] = SR_MQ_VOLTAGE;
+               devc->cur_unit[i] = SR_UNIT_VOLT;
+               devc->cur_mqflags[i] = SR_MQFLAG_DIODE | SR_MQFLAG_DC;
+               devc->cur_exponent[i] = 0;
+               if (devc->profile->model == KEYSIGHT_U1281 ||
+                   devc->profile->model == KEYSIGHT_U1282) {
+                       devc->cur_digits[i] = 4;
+                       devc->cur_encoding[i] = 5;
+               } else {
+                       devc->cur_digits[i] = 3;
+                       devc->cur_encoding[i] = 4;
+               }
        } else if (!strncmp(mstr, "T1", 2) || !strncmp(mstr, "T2", 2) ||
-                  !strncmp(mstr, "TEMP", 2)) {
-               devc->cur_mq = SR_MQ_TEMPERATURE;
+                  !strncmp(mstr, "TEMP", 4)) {
+               devc->cur_mq[i] = SR_MQ_TEMPERATURE;
                m2 = g_match_info_fetch(match, 2);
-               if (!strcmp(m2, "FAR"))
-                       devc->cur_unit = SR_UNIT_FAHRENHEIT;
+               if (!m2 && devc->profile->nb_channels == 3)
+                       /*
+                        * TEMP without param is for secondary display (channel P2)
+                        * and is identical to channel P3, so discard it.
+                        */
+                       devc->cur_mq[i] = -1;
+               else if (m2 && !strcmp(m2, "FAR"))
+                       devc->cur_unit[i] = SR_UNIT_FAHRENHEIT;
                else
-                       devc->cur_unit = SR_UNIT_CELSIUS;
+                       devc->cur_unit[i] = SR_UNIT_CELSIUS;
                g_free(m2);
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 1;
-               devc->cur_encoding = 2;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 1;
+               devc->cur_encoding[i] = 2;
        } else if (!strcmp(mstr, "SCOU")) {
                /*
                 * Switch counter, not supported. Not sure what values
@@ -572,24 +795,160 @@ static int recv_conf_u124x_5x(const struct sr_dev_inst *sdi, GMatchInfo *match)
                 * into libsigrok.
                 */
        } else if (!strncmp(mstr, "CPER:", 5)) {
-               devc->cur_mq = SR_MQ_CURRENT;
-               devc->cur_unit = SR_UNIT_PERCENTAGE;
-               devc->cur_mqflags = 0;
-               devc->cur_exponent = 0;
-               devc->cur_digits = 2;
-               devc->cur_encoding = 3;
+               devc->cur_mq[i] = SR_MQ_CURRENT;
+               devc->cur_unit[i] = SR_UNIT_PERCENTAGE;
+               devc->cur_mqflags[i] = 0;
+               devc->cur_exponent[i] = 0;
+               devc->cur_digits[i] = 2;
+               devc->cur_encoding[i] = 3;
        } else if (!strcmp(mstr, "SQU")) {
                /*
                 * Square wave output, not supported. FETC just return
                 * an error in this mode, so don't even call it.
                 */
                devc->mode_squarewave = 1;
+       } else if (!strcmp(mstr, "NCV")) {
+               devc->cur_mq[i] = SR_MQ_VOLTAGE;
+               devc->cur_unit[i] = SR_UNIT_VOLT;
+               devc->cur_mqflags[i] = SR_MQFLAG_AC;
+               if (devc->profile->model == KEYSIGHT_U1281 ||
+                   devc->profile->model == KEYSIGHT_U1282) {
+                       devc->cur_exponent[i] = -3;
+                       devc->cur_digits[i] = -1;
+                       devc->cur_encoding[i] = 0;
+               } else {
+                       devc->cur_exponent[i] = 0;
+                       devc->cur_digits[i] = 2;
+                       devc->cur_encoding[i] = 3;
+               }
        } else {
                sr_dbg("Unknown first argument '%s'.", mstr);
        }
        g_free(mstr);
 
-       return SR_OK;
+       struct sr_channel *prev_conf = devc->cur_conf;
+       devc->cur_conf = sr_next_enabled_channel(sdi, devc->cur_conf);
+       if (devc->cur_conf->index >= MIN(devc->profile->nb_channels, 2))
+               devc->cur_conf = sr_next_enabled_channel(sdi, devc->cur_conf);
+       if (devc->cur_conf->index > prev_conf->index)
+               return JOB_AGAIN;
+       else
+               return JOB_CONF;
+}
+
+static int send_log(const struct sr_dev_inst *sdi)
+{
+       const char *source[] = { "LOG:HAND", "LOG:TRIG", "LOG:AUTO", "LOG:EXPO" };
+       struct dev_context *devc = sdi->priv;
+       return agdmm_send(sdi, "%s %d",
+                         source[devc->data_source - 1], devc->cur_sample);
+}
+
+static int recv_log(const struct sr_dev_inst *sdi, GMatchInfo *match,
+                    const int mqs[], const int units[], const int exponents[],
+                    unsigned int num_functions)
+{
+       struct dev_context *devc;
+       struct sr_datafeed_packet packet;
+       struct sr_datafeed_analog analog;
+       struct sr_analog_encoding encoding;
+       struct sr_analog_meaning meaning;
+       struct sr_analog_spec spec;
+       char *mstr;
+       unsigned function;
+       int value, negative, overload, exponent, alternate_unit, mq, unit;
+       int mqflags = 0;
+       float fvalue;
+
+       sr_spew("LOG response '%s'.", g_match_info_get_string(match));
+
+       devc = sdi->priv;
+
+       mstr = g_match_info_fetch(match, 2);
+       if (sr_atoi(mstr, (int*)&function) != SR_OK || function >= num_functions) {
+               g_free(mstr);
+               sr_dbg("Invalid function.");
+               return SR_ERR;
+       }
+       g_free(mstr);
+
+       mstr = g_match_info_fetch(match, 3);
+       if (sr_atoi(mstr, &value) != SR_OK) {
+               g_free(mstr);
+               sr_dbg("Invalid value.");
+               return SR_ERR;
+       }
+       g_free(mstr);
+
+       mstr = g_match_info_fetch(match, 1);
+       negative = mstr[7] & 2 ? -1 : 1;
+       overload = mstr[8] & 4;
+       exponent = (mstr[9] & 0xF) + exponents[function];
+       alternate_unit = mstr[10] & 1;
+
+       if (mstr[ 8] & 1)  mqflags |= SR_MQFLAG_DC;
+       if (mstr[ 8] & 2)  mqflags |= SR_MQFLAG_AC;
+       if (mstr[11] & 4)  mqflags |= SR_MQFLAG_RELATIVE;
+       if (mstr[12] & 1)  mqflags |= SR_MQFLAG_AVG;
+       if (mstr[12] & 2)  mqflags |= SR_MQFLAG_MIN;
+       if (mstr[12] & 4)  mqflags |= SR_MQFLAG_MAX;
+       if (function == 5) mqflags |= SR_MQFLAG_DIODE | SR_MQFLAG_DC;
+       g_free(mstr);
+
+       mq = mqs[function];
+       unit = units[function];
+       if (alternate_unit) {
+               if (mq == SR_MQ_RESISTANCE)
+                       mq = SR_MQ_CONTINUITY;
+               if (unit == SR_UNIT_DECIBEL_MW)
+                       unit = SR_UNIT_DECIBEL_VOLT;
+               if (unit == SR_UNIT_CELSIUS) {
+                       unit = SR_UNIT_FAHRENHEIT;
+                       if (devc->profile->model == KEYSIGHT_U1281 ||
+                           devc->profile->model == KEYSIGHT_U1282)
+                               exponent--;
+               }
+       }
+
+       if (overload)
+               fvalue = NAN;
+       else
+               fvalue = negative * value * powf(10, exponent);
+
+       sr_analog_init(&analog, &encoding, &meaning, &spec, -exponent);
+       analog.meaning->mq = mq;
+       analog.meaning->unit = unit;
+       analog.meaning->mqflags = mqflags;
+       analog.meaning->channels = g_slist_append(NULL, devc->cur_channel);
+       analog.num_samples = 1;
+       analog.data = &fvalue;
+       packet.type = SR_DF_ANALOG;
+       packet.payload = &analog;
+       sr_session_send(sdi, &packet);
+       g_slist_free(analog.meaning->channels);
+
+       sr_sw_limits_update_samples_read(&devc->limits, 1);
+       devc->cur_sample++;
+
+       return JOB_LOG;
+}
+
+static int recv_log_u124xc(const struct sr_dev_inst *sdi, GMatchInfo *match)
+{
+       static const int mqs[] = { SR_MQ_VOLTAGE, SR_MQ_VOLTAGE, SR_MQ_CURRENT, SR_MQ_CURRENT, SR_MQ_RESISTANCE, SR_MQ_VOLTAGE, SR_MQ_TEMPERATURE, SR_MQ_CAPACITANCE, SR_MQ_FREQUENCY, SR_MQ_HARMONIC_RATIO, SR_MQ_CURRENT };
+       static const int units[] = { SR_UNIT_VOLT, SR_UNIT_VOLT, SR_UNIT_AMPERE, SR_UNIT_AMPERE, SR_UNIT_OHM, SR_UNIT_VOLT, SR_UNIT_CELSIUS, SR_UNIT_FARAD, SR_UNIT_HERTZ, SR_UNIT_PERCENTAGE, SR_UNIT_PERCENTAGE };
+       static const int exponents[] = { -5, -4, -7, -3, -2, -3, -1, -10, -2, -2, -2 };
+
+       return recv_log(sdi, match, mqs, units, exponents, ARRAY_SIZE(mqs));
+}
+
+static int recv_log_u128x(const struct sr_dev_inst *sdi, GMatchInfo *match)
+{
+       static const int mqs[] = { SR_MQ_VOLTAGE, SR_MQ_VOLTAGE, SR_MQ_CURRENT, SR_MQ_CURRENT, SR_MQ_RESISTANCE, SR_MQ_VOLTAGE, SR_MQ_TEMPERATURE, SR_MQ_CAPACITANCE, SR_MQ_FREQUENCY, SR_MQ_DUTY_CYCLE, SR_MQ_PULSE_WIDTH, SR_MQ_VOLTAGE, SR_MQ_CURRENT, SR_MQ_CONDUCTANCE };
+       static const int units[] = { SR_UNIT_VOLT, SR_UNIT_VOLT, SR_UNIT_AMPERE, SR_UNIT_AMPERE, SR_UNIT_OHM, SR_UNIT_VOLT, SR_UNIT_CELSIUS, SR_UNIT_FARAD, SR_UNIT_HERTZ, SR_UNIT_PERCENTAGE, SR_UNIT_SECOND, SR_UNIT_DECIBEL_MW, SR_UNIT_PERCENTAGE, SR_UNIT_SIEMENS };
+       static const int exponents[] = { -6, -4, -9, -4, -3, -4, -1, -12, -3, -3, -6, -3, -2, -11 };
+
+       return recv_log(sdi, match, mqs, units, exponents, ARRAY_SIZE(mqs));
 }
 
 /* This comes in whenever the rotary switch is changed to a new position.
@@ -598,18 +957,43 @@ static int recv_conf_u124x_5x(const struct sr_dev_inst *sdi, GMatchInfo *match)
  * we do need to catch this here, or it'll show up in some other output. */
 static int recv_switch(const struct sr_dev_inst *sdi, GMatchInfo *match)
 {
-       (void)sdi;
+       struct dev_context *devc = sdi->priv;
 
        sr_spew("Switch '%s'.", g_match_info_get_string(match));
 
+       devc->current_job = 0;
+       devc->job_running = FALSE;
+       memset(devc->jobs_start, 0, sizeof(devc->jobs_start));
+       devc->cur_mq[0] = -1;
+       if (devc->profile->nb_channels > 2)
+               devc->cur_mq[1] = -1;
+
        return SR_OK;
 }
 
-/* Poll keys/switches and values at 7Hz, mode at 1Hz. */
-SR_PRIV const struct agdmm_job agdmm_jobs_u12xx[] = {
-       { 143, send_stat },
-       { 1000, send_conf },
-       { 143, send_fetc },
+static int recv_err(const struct sr_dev_inst *sdi, GMatchInfo *match)
+{
+       struct dev_context *devc = sdi->priv;
+
+       (void) match;
+
+       if (devc->data_source != DATA_SOURCE_LIVE)
+               return JOB_STOP; /* In log mode, stop acquisition after receiving *E. */
+       else
+               return JOB_AGAIN;
+}
+
+/* Poll CONF/STAT at 1Hz and values at samplerate. */
+SR_PRIV const struct agdmm_job agdmm_jobs_live[] = {
+       { JOB_FETC, SAMPLERATE_INTERVAL, send_fetc },
+       { JOB_CONF,                1000, send_conf },
+       { JOB_STAT,                1000, send_stat },
+       ALL_ZERO
+};
+
+/* Poll LOG as fast as possible. */
+SR_PRIV const struct agdmm_job agdmm_jobs_log[] = {
+       { JOB_LOG,                    0, send_log  },
        ALL_ZERO
 };
 
@@ -627,25 +1011,52 @@ SR_PRIV const struct agdmm_recv agdmm_recvs_u124x[] = {
        { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u124x },
        { "^\\*([0-9])$", recv_switch },
        { "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", recv_fetc },
-       { "^\"(VOLT|CURR|RES|CAP|FREQ) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
-       { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
-       { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
-       { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(VOLT|CURR|RES|CAP|FREQ) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6,8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6,8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6,8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6,8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
        { "^\"(T[0-9]:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
+       { "^\"(TEMP:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
        { "^\"(DIOD)\"$", recv_conf_u124x_5x },
        ALL_ZERO
 };
 
+SR_PRIV const struct agdmm_recv agdmm_recvs_u124xc[] = {
+       { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u124xc },
+       { "^\\*([0-9])$", recv_switch },
+       { "^([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))$", recv_fetc },
+       { "^\"(VOLT|VOLT:AC|VOLT:HRAT|CURR|CURR:AC|RES|CONT|CAP|FREQ|FREQ:AC) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(TEMP:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
+       { "^\"(NCV) (HI|LO)\"$", recv_conf_u124x_5x },
+       { "^\"(DIOD|TEMP)\"$", recv_conf_u124x_5x },
+       { "^\"((\\d{2})(\\d{5})\\d{7})\"$", recv_log_u124xc },
+       { "^\\*E$", recv_err },
+       ALL_ZERO
+};
+
 SR_PRIV const struct agdmm_recv agdmm_recvs_u125x[] = {
        { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u125x },
        { "^\\*([0-9])$", recv_switch },
        { "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", recv_fetc },
-       { "^\"(VOLT|CURR|RES|CAP|FREQ) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
-       { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
-       { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
-       { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(VOLT|CURR|RES|CONT|COND|CAP|FREQ) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(PULS:PWID|PULS:PWID:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{6}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(TEMP:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
        { "^\"(T[0-9]:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
-       { "^\"(DIOD)\"$", recv_conf_u124x_5x },
+       { "^\"(DIOD|PULS:[PN]DUT)\"$", recv_conf_u124x_5x },
+       ALL_ZERO
+};
+
+SR_PRIV const struct agdmm_recv agdmm_recvs_u127x[] = {
+       { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u123x },
+       { "^\\*([0-9]+)$", recv_switch },
+       { "^([-+][0-9]\\.[0-9]{8}E[-+][0-9]{2})$", recv_fetc },
+       { "^\"(V|MV|A|MA|UA|FREQ),(\\d),(AC|DC|ACDC)\"$", recv_conf_u123x },
+       { "^\"(RES|CAP),(\\d)\"$", recv_conf_u123x},
+       { "^\"(DIOD|TEMP)\"$", recv_conf_u123x },
        ALL_ZERO
 };
 
@@ -653,12 +1064,16 @@ SR_PRIV const struct agdmm_recv agdmm_recvs_u128x[] = {
        { "^\"(\\d\\d.{18}\\d)\"$", recv_stat_u128x },
        { "^\\*([0-9])$", recv_switch },
        { "^([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))$", recv_fetc },
-       { "^\"(VOLT|CURR|RES|COND|CAP|FREQ|FC1|FC100) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(VOLT|CURR|RES|CONT|COND|CAP|FREQ|FC1|FC100) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
        { "^\"(VOLT:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
        { "^\"(CURR:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
        { "^\"(FREQ:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
        { "^\"(CPER:[40]-20mA) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
+       { "^\"(PULS:PWID|PULS:PWID:[ACD]+) ([-+][0-9\\.E\\-+]+),([-+][0-9]\\.[0-9]{8}E([-+][0-9]{2}))\"$", recv_conf_u124x_5x },
        { "^\"(TEMP:[A-Z]+) ([A-Z]+)\"$", recv_conf_u124x_5x },
-       { "^\"(DIOD|SQU)\"$", recv_conf_u124x_5x },
+       { "^\"(NCV) (HIGH|LOW)\"$", recv_conf_u124x_5x },
+       { "^\"(DIOD|SQU|PULS:PDUT|TEMP)\"$", recv_conf_u124x_5x },
+       { "^\"((\\d{2})(\\d{5})\\d{7})\"$", recv_log_u128x },
+       { "^\\*E$", recv_err },
        ALL_ZERO
 };