* This file is part of the libsigrok project.
*
* Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.com>
+ * Copyright (C) 2018 Guido Trentalancia <guido@trentalancia.com>
*
* 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
SR_PRIV void hmo_cleanup_logic_data(struct dev_context *devc);
static const char *hameg_scpi_dialect[] = {
- [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?",
- [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
- [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
- [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
- [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
- [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
- [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?",
- [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
- ":FORM REAL,32;:CHAN%d:DATA?",
- [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?",
- [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s",
- [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
- [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
- [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
- [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP %s",
- [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
- [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
- [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
- [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
- [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
- [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
- [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
- [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
- [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
- [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
+ [SCPI_CMD_GET_DIG_DATA] = ":FORM UINT,8;:POD%d:DATA?",
+ [SCPI_CMD_GET_TIMEBASE] = ":TIM:SCAL?",
+ [SCPI_CMD_SET_TIMEBASE] = ":TIM:SCAL %s",
+ [SCPI_CMD_GET_COUPLING] = ":CHAN%d:COUP?",
+ [SCPI_CMD_SET_COUPLING] = ":CHAN%d:COUP %s",
+ [SCPI_CMD_GET_SAMPLE_RATE] = ":ACQ:SRAT?",
+ [SCPI_CMD_GET_SAMPLE_RATE_LIVE] = ":%s:DATA:POINTS?",
+ [SCPI_CMD_GET_ANALOG_DATA] = ":FORM:BORD %s;" \
+ ":FORM REAL,32;:CHAN%d:DATA?",
+ [SCPI_CMD_GET_VERTICAL_DIV] = ":CHAN%d:SCAL?",
+ [SCPI_CMD_SET_VERTICAL_DIV] = ":CHAN%d:SCAL %s",
+ [SCPI_CMD_GET_DIG_POD_STATE] = ":POD%d:STAT?",
+ [SCPI_CMD_SET_DIG_POD_STATE] = ":POD%d:STAT %d",
+ [SCPI_CMD_GET_TRIGGER_SLOPE] = ":TRIG:A:EDGE:SLOP?",
+ [SCPI_CMD_SET_TRIGGER_SLOPE] = ":TRIG:A:TYPE EDGE;:TRIG:A:EDGE:SLOP %s",
+ [SCPI_CMD_GET_TRIGGER_SOURCE] = ":TRIG:A:SOUR?",
+ [SCPI_CMD_SET_TRIGGER_SOURCE] = ":TRIG:A:SOUR %s",
+ [SCPI_CMD_GET_DIG_CHAN_STATE] = ":LOG%d:STAT?",
+ [SCPI_CMD_SET_DIG_CHAN_STATE] = ":LOG%d:STAT %d",
+ [SCPI_CMD_GET_VERTICAL_OFFSET] = ":CHAN%d:POS?",
+ [SCPI_CMD_GET_HORIZ_TRIGGERPOS] = ":TIM:POS?",
+ [SCPI_CMD_SET_HORIZ_TRIGGERPOS] = ":TIM:POS %s",
+ [SCPI_CMD_GET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT?",
+ [SCPI_CMD_SET_ANALOG_CHAN_STATE] = ":CHAN%d:STAT %d",
+ [SCPI_CMD_GET_PROBE_UNIT] = ":PROB%d:SET:ATT:UNIT?",
+ [SCPI_CMD_GET_DIG_POD_THRESHOLD] = ":POD%d:THR?",
+ [SCPI_CMD_SET_DIG_POD_THRESHOLD] = ":POD%d:THR %s",
+ [SCPI_CMD_GET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d?",
+ [SCPI_CMD_SET_DIG_POD_USER_THRESHOLD] = ":POD%d:THR:UDL%d %s",
};
static const uint32_t devopts[] = {
SR_CONF_OSCILLOSCOPE,
+ SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_LIMIT_FRAMES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_SAMPLERATE | SR_CONF_GET,
SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
};
+static const uint32_t devopts_cg_digital[] = {
+ SR_CONF_LOGIC_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
+ SR_CONF_LOGIC_THRESHOLD_CUSTOM | SR_CONF_GET | SR_CONF_SET,
+};
+
static const char *coupling_options[] = {
"AC", // AC with 50 Ohm termination (152x, 202x, 30xx, 1202)
"ACL", // AC with 1 MOhm termination
"EITH",
};
-static const char *compact2_trigger_sources[] = {
+/* Predefined logic thresholds. */
+static const char *logic_threshold[] = {
+ "TTL",
+ "ECL",
+ "CMOS",
+ "USER1",
+ "USER2", // overwritten by logic_threshold_custom, use USER1 for permanent setting
+};
+
+/* RTC1002, HMO Compact2 and HMO1002/HMO1202 */
+static const char *an2_dig8_trigger_sources[] = {
"CH1", "CH2",
"LINE", "EXT", "PATT", "BUS1", "BUS2",
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
};
-static const char *compact4_trigger_sources[] = {
+/* HMO3xx2 */
+static const char *an2_dig16_trigger_sources[] = {
+ "CH1", "CH2",
+ "LINE", "EXT", "PATT", "BUS1", "BUS2",
+ "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
+ "D8", "D9", "D10", "D11", "D12", "D13", "D14", "D15",
+};
+
+/* HMO Compact4 */
+static const char *an4_dig8_trigger_sources[] = {
"CH1", "CH2", "CH3", "CH4",
"LINE", "EXT", "PATT", "BUS1", "BUS2",
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
};
-static const char *compact4_dig16_trigger_sources[] = {
+/* HMO3xx4 and HMO2524 */
+static const char *an4_dig16_trigger_sources[] = {
"CH1", "CH2", "CH3", "CH4",
"LINE", "EXT", "PATT", "BUS1", "BUS2",
"D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
static const struct scope_config scope_models[] = {
{
- /* HMO2522/3032/3042/3052 support 16 digital channels but they're not supported yet. */
- .name = {"HMO1002", "HMO722", "HMO1022", "HMO1522", "HMO2022", "HMO2522",
- "HMO3032", "HMO3042", "HMO3052", NULL},
+ /* RTC1002 and HMO722/1002/1022/1202/1522/2022 support only 8 digital channels. */
+ .name = {"RTC1002", "HMO722", "HMO1002", "HMO1022", "HMO1202", "HMO1522", "HMO2022", NULL},
.analog_channels = 2,
.digital_channels = 8,
.digital_pods = 1,
.devopts_cg_analog = &devopts_cg_analog,
.num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
+ .devopts_cg_digital = &devopts_cg_digital,
+ .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
+
+ .coupling_options = &coupling_options,
+ .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+ .logic_threshold = &logic_threshold,
+ .num_logic_threshold = ARRAY_SIZE(logic_threshold),
+
+ .trigger_sources = &an2_dig8_trigger_sources,
+ .num_trigger_sources = ARRAY_SIZE(an2_dig8_trigger_sources),
+
+ .trigger_slopes = &scope_trigger_slopes,
+ .num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
+
+ .timebases = &timebases,
+ .num_timebases = ARRAY_SIZE(timebases),
+
+ .vdivs = &vdivs,
+ .num_vdivs = ARRAY_SIZE(vdivs),
+
+ .num_xdivs = 12,
+ .num_ydivs = 8,
+
+ .scpi_dialect = &hameg_scpi_dialect,
+ },
+ {
+ /* HMO3032/3042/3052/3522 support 16 digital channels. */
+ .name = {"HMO3032", "HMO3042", "HMO3052", "HMO3522", NULL},
+ .analog_channels = 2,
+ .digital_channels = 16,
+ .digital_pods = 2,
+
+ .analog_names = &scope_analog_channel_names,
+ .digital_names = &scope_digital_channel_names,
+
+ .devopts = &devopts,
+ .num_devopts = ARRAY_SIZE(devopts),
+
+ .devopts_cg_analog = &devopts_cg_analog,
+ .num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
+
+ .devopts_cg_digital = &devopts_cg_digital,
+ .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
+
.coupling_options = &coupling_options,
.num_coupling_options = ARRAY_SIZE(coupling_options),
- .trigger_sources = &compact2_trigger_sources,
- .num_trigger_sources = ARRAY_SIZE(compact2_trigger_sources),
+ .logic_threshold = &logic_threshold,
+ .num_logic_threshold = ARRAY_SIZE(logic_threshold),
+
+ .trigger_sources = &an2_dig16_trigger_sources,
+ .num_trigger_sources = ARRAY_SIZE(an2_dig16_trigger_sources),
.trigger_slopes = &scope_trigger_slopes,
.num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
.devopts_cg_analog = &devopts_cg_analog,
.num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
+ .devopts_cg_digital = &devopts_cg_digital,
+ .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
+
.coupling_options = &coupling_options,
.num_coupling_options = ARRAY_SIZE(coupling_options),
- .trigger_sources = &compact4_trigger_sources,
- .num_trigger_sources = ARRAY_SIZE(compact4_trigger_sources),
+ .logic_threshold = &logic_threshold,
+ .num_logic_threshold = ARRAY_SIZE(logic_threshold),
+
+ .trigger_sources = &an4_dig8_trigger_sources,
+ .num_trigger_sources = ARRAY_SIZE(an4_dig8_trigger_sources),
.trigger_slopes = &scope_trigger_slopes,
.num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
.devopts_cg_analog = &devopts_cg_analog,
.num_devopts_cg_analog = ARRAY_SIZE(devopts_cg_analog),
+ .devopts_cg_digital = &devopts_cg_digital,
+ .num_devopts_cg_digital = ARRAY_SIZE(devopts_cg_digital),
+
.coupling_options = &coupling_options,
.num_coupling_options = ARRAY_SIZE(coupling_options),
- .trigger_sources = &compact4_dig16_trigger_sources,
- .num_trigger_sources = ARRAY_SIZE(compact4_dig16_trigger_sources),
+ .logic_threshold = &logic_threshold,
+ .num_logic_threshold = ARRAY_SIZE(logic_threshold),
+
+ .trigger_sources = &an4_dig16_trigger_sources,
+ .num_trigger_sources = ARRAY_SIZE(an4_dig16_trigger_sources),
.trigger_slopes = &scope_trigger_slopes,
.num_trigger_slopes = ARRAY_SIZE(scope_trigger_slopes),
}
for (i = 0; i < config->digital_pods; i++) {
- sr_info("State of digital POD %d -> %s", i,
- state->digital_pods[i] ? "On" : "Off");
+ if (strncmp("USER", (*config->logic_threshold)[state->digital_pods[i].threshold], 4))
+ sr_info("State of digital POD %d -> %s : %s (threshold)", i,
+ state->digital_pods[i].state ? "On" : "Off",
+ (*config->logic_threshold)[state->digital_pods[i].threshold]);
+ else // user-defined or custom logic threshold
+ sr_info("State of digital POD %d -> %s : %E (threshold)", i,
+ state->digital_pods[i].state ? "On" : "Off",
+ state->digital_pods[i].user_threshold);
}
tmp = sr_period_string((*config->timebases)[state->timebase][0],
return SR_ERR;
}
-static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
+static struct sr_channel *get_channel_by_index_and_type(GSList *channel_lhead,
+ int index, int type)
+{
+ while (channel_lhead) {
+ struct sr_channel *ch = channel_lhead->data;
+ if (ch->index == index && ch->type == type)
+ return ch;
+
+ channel_lhead = channel_lhead->next;
+ }
+
+ return 0;
+}
+
+static int analog_channel_state_get(struct sr_dev_inst *sdi,
const struct scope_config *config,
struct scope_state *state)
{
unsigned int i, j;
char command[MAX_COMMAND_SIZE];
char *tmp_str;
+ struct sr_channel *ch;
+ struct sr_scpi_dev_inst *scpi = sdi->conn;
for (i = 0; i < config->analog_channels; i++) {
g_snprintf(command, sizeof(command),
&state->analog_channels[i].state) != SR_OK)
return SR_ERR;
+ ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_ANALOG);
+ if (ch)
+ ch->enabled = state->analog_channels[i].state;
+
g_snprintf(command, sizeof(command),
(*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
i + 1);
return SR_OK;
}
-static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
+static int digital_channel_state_get(struct sr_dev_inst *sdi,
const struct scope_config *config,
struct scope_state *state)
{
unsigned int i;
+ int result = SR_ERR;
+ static char *logic_threshold_short[] = {};
char command[MAX_COMMAND_SIZE];
+ struct sr_channel *ch;
+ struct sr_scpi_dev_inst *scpi = sdi->conn;
for (i = 0; i < config->digital_channels; i++) {
g_snprintf(command, sizeof(command),
if (sr_scpi_get_bool(scpi, command,
&state->digital_channels[i]) != SR_OK)
return SR_ERR;
+
+ ch = get_channel_by_index_and_type(sdi->channels, i, SR_CHANNEL_LOGIC);
+ if (ch)
+ ch->enabled = state->digital_channels[i];
+ }
+
+ /* According to the SCPI standard, the response to the command
+ * SCPI_CMD_GET_DIG_POD_THRESHOLD might return "USER" instead of
+ * "USER1".
+ *
+ * This makes more difficult to validate the response when the logic
+ * threshold is set to "USER1" and therefore we need to prevent device
+ * opening failures in such configuration case...
+ */
+ for (i = 0; i < config->num_logic_threshold; i++) {
+ logic_threshold_short[i] = g_strdup((*config->logic_threshold)[i]);
+ if (!strcmp("USER1", (*config->logic_threshold)[i]))
+ g_strlcpy(logic_threshold_short[i],
+ (*config->logic_threshold)[i], strlen((*config->logic_threshold)[i]));
}
for (i = 0; i < config->digital_pods; i++) {
i + 1);
if (sr_scpi_get_bool(scpi, command,
- &state->digital_pods[i]) != SR_OK)
- return SR_ERR;
+ &state->digital_pods[i].state) != SR_OK)
+ goto exit;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_THRESHOLD],
+ i + 1);
+
+ /* Check for both standard and shortened responses. */
+ if (scope_state_get_array_option(scpi, command, config->logic_threshold,
+ config->num_logic_threshold,
+ &state->digital_pods[i].threshold) != SR_OK)
+ if (scope_state_get_array_option(scpi, command, (const char * (*)[]) &logic_threshold_short,
+ config->num_logic_threshold,
+ &state->digital_pods[i].threshold) != SR_OK)
+ goto exit;
+
+ if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]))
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
+ i + 1, 1); // USER1 logic threshold setting
+
+ if (!strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_USER_THRESHOLD],
+ i + 1, 2); // USER2 for custom logic_threshold setting
+
+ if (!strcmp("USER1", (*config->logic_threshold)[state->digital_pods[i].threshold]) ||
+ !strcmp("USER2", (*config->logic_threshold)[state->digital_pods[i].threshold]))
+ if (sr_scpi_get_float(scpi, command,
+ &state->digital_pods[i].user_threshold) != SR_OK)
+ goto exit;
}
- return SR_OK;
+ result = SR_OK;
+
+exit:
+ for (i = 0; i < config->num_logic_threshold; i++)
+ g_free(logic_threshold_short[i]);
+
+ return result;
}
SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
if (!channel_found) {
for (i = 0; i < config->digital_pods; i++) {
- if (!state->digital_pods[i])
+ if (!state->digital_pods[i].state)
continue;
g_snprintf(chan_name, sizeof(chan_name), "POD%d", i);
g_snprintf(tmp_str, sizeof(tmp_str),
sr_info("Fetching scope state");
- if (analog_channel_state_get(sdi->conn, config, state) != SR_OK)
+ if (analog_channel_state_get(sdi, config, state) != SR_OK)
return SR_ERR;
- if (digital_channel_state_get(sdi->conn, config, state) != SR_OK)
+ if (digital_channel_state_get(sdi, config, state) != SR_OK)
return SR_ERR;
if (sr_scpi_get_float(sdi->conn,
state->digital_channels = g_malloc0_n(
config->digital_channels, sizeof(gboolean));
state->digital_pods = g_malloc0_n(config->digital_pods,
- sizeof(gboolean));
+ sizeof(struct digital_pod_state));
return state;
}
unsigned int i, j, group;
struct sr_channel *ch;
struct dev_context *devc;
+ int ret;
devc = sdi->priv;
model_index = -1;
}
if (model_index == -1) {
- sr_dbg("Unsupported HMO device.");
+ sr_dbg("Unsupported device.");
return SR_ERR_NA;
}
devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
scope_models[model_index].analog_channels);
-
devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
scope_models[model_index].digital_pods);
+ if (!devc->analog_groups || !devc->digital_groups) {
+ g_free(devc->analog_groups);
+ g_free(devc->digital_groups);
+ return SR_ERR_MALLOC;
+ }
/* Add analog channels. */
for (i = 0; i < scope_models[model_index].analog_channels; i++) {
}
/* Add digital channel groups. */
+ ret = SR_OK;
for (i = 0; i < scope_models[model_index].digital_pods; i++) {
devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
+ if (!devc->digital_groups[i]) {
+ ret = SR_ERR_MALLOC;
+ break;
+ }
devc->digital_groups[i]->name = g_strdup_printf("POD%d", i);
sdi->channel_groups = g_slist_append(sdi->channel_groups,
devc->digital_groups[i]);
}
+ if (ret != SR_OK)
+ return ret;
/* Add digital channels. */
for (i = 0; i < scope_models[model_index].digital_channels; i++) {
}
devc->model_config = &scope_models[model_index];
+ devc->samples_limit = 0;
devc->frame_limit = 0;
if (!(devc->model_state = scope_state_new(devc->model_config)))
} else {
store = devc->logic_data;
size = store->len / devc->pod_count;
- if (size != pod_data->len)
- return;
if (group >= devc->pod_count)
return;
}
*logic_data = pod_data->data[idx];
logic_data += logic_step;
}
+
+ /* Truncate acquisition if a smaller number of samples has been requested. */
+ if (devc->samples_limit > 0 && devc->logic_data->len > devc->samples_limit * devc->pod_count)
+ devc->logic_data->len = devc->samples_limit * devc->pod_count;
}
/* Submit data for all channels, after the individual groups got collected. */
if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
if (data)
g_byte_array_free(data, TRUE);
-
return TRUE;
}
analog.data = data->data;
analog.num_samples = data->len / sizeof(float);
+ /* Truncate acquisition if a smaller number of samples has been requested. */
+ if (devc->samples_limit > 0 && analog.num_samples > devc->samples_limit)
+ analog.num_samples = devc->samples_limit;
analog.encoding = &encoding;
analog.meaning = &meaning;
analog.spec = &spec;
spec.spec_digits = 2;
packet.payload = &analog;
sr_session_send(sdi, &packet);
+ devc->num_samples = data->len / sizeof(float);
g_slist_free(meaning.channels);
g_byte_array_free(data, TRUE);
data = NULL;
break;
case SR_CHANNEL_LOGIC:
if (sr_scpi_get_block(sdi->conn, NULL, &data) != SR_OK) {
- g_free(data);
+ if (data)
+ g_byte_array_free(data, TRUE);
return TRUE;
}
packet.type = SR_DF_LOGIC;
logic.data = data->data;
logic.length = data->len;
+ /* Truncate acquisition if a smaller number of samples has been requested. */
+ if (devc->samples_limit > 0 && logic.length > devc->samples_limit)
+ logic.length = devc->samples_limit;
logic.unitsize = 1;
packet.payload = &logic;
sr_session_send(sdi, &packet);
hmo_queue_logic_data(devc, group, data);
}
+ devc->num_samples = data->len / devc->pod_count;
g_byte_array_free(data, TRUE);
data = NULL;
break;
/*
* End of frame was reached. Stop acquisition after the specified
- * number of frames, or continue reception by starting over at
- * the first enabled channel.
+ * number of frames or after the specified number of samples, or
+ * continue reception by starting over at the first enabled channel.
*/
- if (++devc->num_frames == devc->frame_limit) {
+ if (++devc->num_frames >= devc->frame_limit || devc->num_samples >= devc->samples_limit) {
sr_dev_acquisition_stop(sdi);
hmo_cleanup_logic_data(devc);
} else {
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