#include "protocol.h"
-SR_PRIV int hameg_hmo_receive_data(int fd, int revents, void *cb_data)
+static const char *hameg_scpi_dialect[] = {
+ [SCPI_CMD_GET_DIG_DATA] = ":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] = ":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",
+};
+
+static const int32_t hmo_hwcaps[] = {
+ SR_CONF_OSCILLOSCOPE,
+ SR_CONF_TRIGGER_SOURCE,
+ SR_CONF_TIMEBASE,
+ SR_CONF_NUM_TIMEBASE,
+ SR_CONF_TRIGGER_SLOPE,
+ SR_CONF_HORIZ_TRIGGERPOS,
+ SR_CONF_SAMPLERATE,
+ SR_CONF_LIMIT_FRAMES,
+};
+
+static const int32_t hmo_analog_caps[] = {
+ SR_CONF_NUM_VDIV,
+ SR_CONF_COUPLING,
+ SR_CONF_VDIV,
+};
+
+static const char *hmo_coupling_options[] = {
+ "AC",
+ "ACL",
+ "DC",
+ "DCL",
+ "GND",
+ NULL,
+};
+
+static const char *scope_trigger_slopes[] = {
+ "POS",
+ "NEG",
+ NULL,
+};
+
+static const char *hmo_compact2_trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "LINE",
+ "EXT",
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ NULL,
+};
+
+static const char *hmo_compact4_trigger_sources[] = {
+ "CH1",
+ "CH2",
+ "CH3",
+ "CH4",
+ "LINE",
+ "EXT",
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ NULL,
+};
+
+static const uint64_t hmo_timebases[][2] = {
+ /* nanoseconds */
+ { 2, 1000000000 },
+ { 5, 1000000000 },
+ { 10, 1000000000 },
+ { 20, 1000000000 },
+ { 50, 1000000000 },
+ { 100, 1000000000 },
+ { 200, 1000000000 },
+ { 500, 1000000000 },
+ /* microseconds */
+ { 1, 1000000 },
+ { 2, 1000000 },
+ { 5, 1000000 },
+ { 10, 1000000 },
+ { 20, 1000000 },
+ { 50, 1000000 },
+ { 100, 1000000 },
+ { 200, 1000000 },
+ { 500, 1000000 },
+ /* milliseconds */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* seconds */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+ { 20, 1 },
+ { 50, 1 },
+};
+
+static const uint64_t hmo_vdivs[][2] = {
+ /* millivolts */
+ { 1, 1000 },
+ { 2, 1000 },
+ { 5, 1000 },
+ { 10, 1000 },
+ { 20, 1000 },
+ { 50, 1000 },
+ { 100, 1000 },
+ { 200, 1000 },
+ { 500, 1000 },
+ /* volts */
+ { 1, 1 },
+ { 2, 1 },
+ { 5, 1 },
+ { 10, 1 },
+};
+
+static const char *scope_analog_channel_names[] = {
+ "CH1",
+ "CH2",
+ "CH3",
+ "CH4",
+};
+
+static const char *scope_digital_channel_names[] = {
+ "D0",
+ "D1",
+ "D2",
+ "D3",
+ "D4",
+ "D5",
+ "D6",
+ "D7",
+ "D8",
+ "D9",
+ "D10",
+ "D11",
+ "D12",
+ "D13",
+ "D14",
+ "D15",
+};
+
+static struct scope_config scope_models[] = {
+ {
+ .name = {"HMO722", "HMO1022", "HMO1522", "HMO2022", NULL},
+ .analog_channels = 2,
+ .digital_channels = 8,
+ .digital_pods = 1,
+
+ .analog_names = &scope_analog_channel_names,
+ .digital_names = &scope_digital_channel_names,
+
+ .hw_caps = &hmo_hwcaps,
+ .num_hwcaps = ARRAY_SIZE(hmo_hwcaps),
+
+ .analog_hwcaps = &hmo_analog_caps,
+ .num_analog_hwcaps = ARRAY_SIZE(hmo_analog_caps),
+
+ .coupling_options = &hmo_coupling_options,
+ .trigger_sources = &hmo_compact2_trigger_sources,
+ .trigger_slopes = &scope_trigger_slopes,
+
+ .timebases = &hmo_timebases,
+ .num_timebases = ARRAY_SIZE(hmo_timebases),
+
+ .vdivs = &hmo_vdivs,
+ .num_vdivs = ARRAY_SIZE(hmo_vdivs),
+
+ .num_xdivs = 12,
+ .num_ydivs = 8,
+
+ .scpi_dialect = &hameg_scpi_dialect,
+ },
+ {
+ .name = {"HMO724", "HMO1024", "HMO1524", "HMO2024", NULL},
+ .analog_channels = 4,
+ .digital_channels = 8,
+ .digital_pods = 1,
+
+ .analog_names = &scope_analog_channel_names,
+ .digital_names = &scope_digital_channel_names,
+
+ .hw_caps = &hmo_hwcaps,
+ .num_hwcaps = ARRAY_SIZE(hmo_hwcaps),
+
+ .analog_hwcaps = &hmo_analog_caps,
+ .num_analog_hwcaps = ARRAY_SIZE(hmo_analog_caps),
+
+ .coupling_options = &hmo_coupling_options,
+ .trigger_sources = &hmo_compact4_trigger_sources,
+ .trigger_slopes = &scope_trigger_slopes,
+
+ .timebases = &hmo_timebases,
+ .num_timebases = ARRAY_SIZE(hmo_timebases),
+
+ .vdivs = &hmo_vdivs,
+ .num_vdivs = ARRAY_SIZE(hmo_vdivs),
+
+ .num_xdivs = 12,
+ .num_ydivs = 8,
+
+ .scpi_dialect = &hameg_scpi_dialect,
+ },
+};
+
+static void scope_state_dump(struct scope_config *config,
+ struct scope_state *state)
+{
+ unsigned int i;
+ char *tmp;
+
+ for (i = 0; i < config->analog_channels; ++i) {
+ tmp = sr_voltage_string((*config->vdivs)[state->analog_channels[i].vdiv][0],
+ (*config->vdivs)[state->analog_channels[i].vdiv][1]);
+ sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
+ i + 1, state->analog_channels[i].state ? "On" : "Off",
+ (*config->coupling_options)[state->analog_channels[i].coupling],
+ tmp, state->analog_channels[i].vertical_offset);
+ }
+
+ for (i = 0; i < config->digital_channels; ++i) {
+ sr_info("State of digital channel %d -> %s", i,
+ state->digital_channels[i] ? "On" : "Off");
+ }
+
+ for (i = 0; i < config->digital_pods; ++i) {
+ sr_info("State of digital POD %d -> %s", i,
+ state->digital_pods[i] ? "On" : "Off");
+ }
+
+ tmp = sr_period_string((*config->timebases)[state->timebase][0] *
+ (*config->timebases)[state->timebase][1]);
+ sr_info("Current timebase: %s", tmp);
+ g_free(tmp);
+
+ tmp = sr_samplerate_string(state->sample_rate);
+ sr_info("Current samplerate: %s", tmp);
+ g_free(tmp);
+
+ sr_info("Current trigger: %s (source), %s (slope) %.2f (offset)",
+ (*config->trigger_sources)[state->trigger_source],
+ (*config->trigger_slopes)[state->trigger_slope],
+ state->horiz_triggerpos);
+}
+
+static int scope_state_get_array_option(struct sr_scpi_dev_inst *scpi,
+ const char *command, const char *(*array)[], int *result)
+{
+ char *tmp;
+ unsigned int i;
+
+ if (sr_scpi_get_string(scpi, command, &tmp) != SR_OK) {
+ g_free(tmp);
+ return SR_ERR;
+ }
+
+ for (i = 0; (*array)[i]; ++i) {
+ if (!g_strcmp0(tmp, (*array)[i])) {
+ *result = i;
+ g_free(tmp);
+ tmp = NULL;
+ break;
+ }
+ }
+
+ if (tmp) {
+ g_free(tmp);
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
+ struct scope_config *config,
+ struct scope_state *state)
+{
+ unsigned int i, j;
+ float tmp_float;
+ char command[MAX_COMMAND_SIZE];
+
+ for (i = 0; i < config->analog_channels; ++i) {
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_ANALOG_CHAN_STATE],
+ i + 1);
+
+ if (sr_scpi_get_bool(scpi, command,
+ &state->analog_channels[i].state) != SR_OK)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_DIV],
+ i + 1);
+
+ if (sr_scpi_get_float(scpi, command, &tmp_float) != SR_OK)
+ return SR_ERR;
+ for (j = 0; j < config->num_vdivs; j++) {
+ if (tmp_float == ((float) (*config->vdivs)[j][0] /
+ (*config->vdivs)[j][1])) {
+ state->analog_channels[i].vdiv = j;
+ break;
+ }
+ }
+ if (i == config->num_vdivs)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_VERTICAL_OFFSET],
+ i + 1);
+
+ if (sr_scpi_get_float(scpi, command,
+ &state->analog_channels[i].vertical_offset) != SR_OK)
+ return SR_ERR;
+
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_COUPLING],
+ i + 1);
+
+ if (scope_state_get_array_option(scpi, command, config->coupling_options,
+ &state->analog_channels[i].coupling) != SR_OK)
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
+ struct scope_config *config,
+ struct scope_state *state)
+{
+ unsigned int i;
+ char command[MAX_COMMAND_SIZE];
+
+ for (i = 0; i < config->digital_channels; ++i) {
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_CHAN_STATE],
+ i);
+
+ if (sr_scpi_get_bool(scpi, command,
+ &state->digital_channels[i]) != SR_OK)
+ return SR_ERR;
+ }
+
+ for (i = 0; i < config->digital_pods; ++i) {
+ g_snprintf(command, sizeof(command),
+ (*config->scpi_dialect)[SCPI_CMD_GET_DIG_POD_STATE],
+ i + 1);
+
+ if (sr_scpi_get_bool(scpi, command,
+ &state->digital_pods[i]) != SR_OK)
+ return SR_ERR;
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int hmo_update_sample_rate(const struct sr_dev_inst *sdi)
{
- const struct sr_dev_inst *sdi;
struct dev_context *devc;
+ struct scope_state *state;
+ struct scope_config *config;
+
+ int tmp;
+ unsigned int i;
+ float tmp_float;
+ gboolean channel_found;
+ char tmp_str[MAX_COMMAND_SIZE];
+ char chan_name[20];
+
+ devc = sdi->priv;
+ config = devc->model_config;
+ state = devc->model_state;
+ channel_found = FALSE;
+
+ for (i = 0; i < config->analog_channels; ++i) {
+ if (state->analog_channels[i].state) {
+ g_snprintf(chan_name, sizeof(chan_name), "CHAN%d", i + 1);
+ g_snprintf(tmp_str, sizeof(tmp_str),
+ (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE],
+ chan_name);
+ channel_found = TRUE;
+ break;
+ }
+ }
+
+ if (!channel_found) {
+ for (i = 0; i < config->digital_pods; i++) {
+ if (state->digital_pods[i]) {
+ g_snprintf(chan_name, sizeof(chan_name), "POD%d", i);
+ g_snprintf(tmp_str, sizeof(tmp_str),
+ (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE_LIVE],
+ chan_name);
+ channel_found = TRUE;
+ break;
+ }
+ }
+ }
+
+ /* No channel is active, ask the instrument for the sample rate
+ * in single shot mode */
+ if (!channel_found) {
+ if (sr_scpi_get_float(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_SAMPLE_RATE],
+ &tmp_float) != SR_OK)
+ return SR_ERR;
+
+ state->sample_rate = tmp_float;
+ } else {
+ if (sr_scpi_get_int(sdi->conn, tmp_str, &tmp) != SR_OK)
+ return SR_ERR;
+ state->sample_rate = tmp / (((float) (*config->timebases)[state->timebase][0] /
+ (*config->timebases)[state->timebase][1]) *
+ config->num_xdivs);
+ }
+
+ return SR_OK;
+}
+
+SR_PRIV int hmo_scope_state_get(struct sr_dev_inst *sdi)
+{
+ struct dev_context *devc;
+ struct scope_state *state;
+ struct scope_config *config;
+ float tmp_float;
+ unsigned int i;
+
+ devc = sdi->priv;
+ config = devc->model_config;
+ state = devc->model_state;
+
+ sr_info("Fetching scope state");
+
+ if (analog_channel_state_get(sdi->conn, config, state) != SR_OK)
+ return SR_ERR;
+
+ if (digital_channel_state_get(sdi->conn, config, state) != SR_OK)
+ return SR_ERR;
+
+ if (sr_scpi_get_float(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TIMEBASE],
+ &tmp_float) != SR_OK)
+ return SR_ERR;
+
+ for (i = 0; i < config->num_timebases; i++) {
+ if (tmp_float == ((float) (*config->timebases)[i][0] /
+ (*config->timebases)[i][1])) {
+ state->timebase = i;
+ break;
+ }
+ }
+ if (i == config->num_timebases)
+ return SR_ERR;
+
+ if (sr_scpi_get_float(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_HORIZ_TRIGGERPOS],
+ &tmp_float) != SR_OK)
+ return SR_ERR;
+ state->horiz_triggerpos = tmp_float /
+ (((double) (*config->timebases)[state->timebase][0] /
+ (*config->timebases)[state->timebase][1]) * config->num_xdivs);
+ state->horiz_triggerpos -= 0.5;
+ state->horiz_triggerpos *= -1;
+
+ if (scope_state_get_array_option(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SOURCE],
+ config->trigger_sources, &state->trigger_source) != SR_OK)
+ return SR_ERR;
+
+ if (scope_state_get_array_option(sdi->conn,
+ (*config->scpi_dialect)[SCPI_CMD_GET_TRIGGER_SLOPE],
+ config->trigger_slopes, &state->trigger_slope) != SR_OK)
+ return SR_ERR;
+
+ if (hmo_update_sample_rate(sdi) != SR_OK)
+ return SR_ERR;
+
+ sr_info("Fetching finished.");
+
+ scope_state_dump(config, state);
+
+ return SR_OK;
+}
+
+static struct scope_state *scope_state_new(struct scope_config *config)
+{
+ struct scope_state *state;
+
+ if (!(state = g_try_malloc0(sizeof(struct scope_state))))
+ return NULL;
+
+ if (!(state->analog_channels = g_try_malloc0_n(config->analog_channels,
+ sizeof(struct analog_channel_state))))
+ goto fail;
+
+ if (!(state->digital_channels = g_try_malloc0_n(
+ config->digital_channels, sizeof(gboolean))))
+ goto fail;
+
+ if (!(state->digital_pods = g_try_malloc0_n(config->digital_pods,
+ sizeof(gboolean))))
+ goto fail;
+
+ return state;
+
+fail:
+ if (state->analog_channels)
+ g_free(state->analog_channels);
+ if (state->digital_channels)
+ g_free(state->digital_channels);
+ if (state->digital_pods)
+ g_free(state->digital_pods);
+ g_free(state);
+
+ return NULL;
+}
+
+SR_PRIV void hmo_scope_state_free(struct scope_state *state)
+{
+ g_free(state->analog_channels);
+ g_free(state->digital_channels);
+ g_free(state->digital_pods);
+ g_free(state);
+}
+
+SR_PRIV int hmo_init_device(struct sr_dev_inst *sdi)
+{
+ char tmp[25];
+ int model_index;
+ unsigned int i, j;
+ struct sr_channel *ch;
+ struct dev_context *devc;
+
+ devc = sdi->priv;
+ model_index = -1;
+
+ /* Find the exact model. */
+ for (i = 0; i < ARRAY_SIZE(scope_models); i++) {
+ for (j = 0; scope_models[i].name[j]; j++) {
+ if (!strcmp(sdi->model, scope_models[i].name[j])) {
+ model_index = i;
+ break;
+ }
+ }
+ if (model_index != -1)
+ break;
+ }
+
+ if (model_index == -1) {
+ sr_dbg("Unsupported HMO device.");
+ return SR_ERR_NA;
+ }
+
+ if (!(devc->analog_groups = g_try_malloc0(sizeof(struct sr_channel_group) *
+ scope_models[model_index].analog_channels)))
+ return SR_ERR_MALLOC;
+
+ if (!(devc->digital_groups = g_try_malloc0(sizeof(struct sr_channel_group) *
+ scope_models[model_index].digital_pods)))
+ return SR_ERR_MALLOC;
+
+ /* Add analog channels. */
+ for (i = 0; i < scope_models[model_index].analog_channels; i++) {
+ if (!(ch = sr_probe_new(i, SR_PROBE_ANALOG, TRUE,
+ (*scope_models[model_index].analog_names)[i])))
+ return SR_ERR_MALLOC;
+ sdi->channels = g_slist_append(sdi->channels, ch);
+
+ devc->analog_groups[i].name =
+ (char *)(*scope_models[model_index].analog_names)[i];
+ devc->analog_groups[i].channels = g_slist_append(NULL, ch);
+
+ sdi->channel_groups = g_slist_append(sdi->channel_groups,
+ &devc->analog_groups[i]);
+ }
+
+ /* Add digital channel groups. */
+ for (i = 0; i < scope_models[model_index].digital_pods; ++i) {
+ g_snprintf(tmp, 25, "POD%d", i);
+ devc->digital_groups[i].name = g_strdup(tmp);
+ sdi->channel_groups = g_slist_append(sdi->channel_groups,
+ &devc->digital_groups[i < 8 ? 0 : 1]);
+ }
+
+ /* Add digital channels. */
+ for (i = 0; i < scope_models[model_index].digital_channels; i++) {
+ if (!(ch = sr_probe_new(i, SR_PROBE_LOGIC, TRUE,
+ (*scope_models[model_index].digital_names)[i])))
+ return SR_ERR_MALLOC;
+ sdi->channels = g_slist_append(sdi->channels, ch);
+
+ devc->digital_groups[i < 8 ? 0 : 1].channels = g_slist_append(
+ devc->digital_groups[i < 8 ? 0 : 1].channels, ch);
+ }
+
+ devc->model_config = &scope_models[model_index];
+ devc->frame_limit = 0;
+
+ if (!(devc->model_state = scope_state_new(devc->model_config)))
+ return SR_ERR_MALLOC;
+
+ return SR_OK;
+}
+
+SR_PRIV int hmo_receive_data(int fd, int revents, void *cb_data)
+{
+ struct sr_channel *ch;
+ struct sr_dev_inst *sdi;
+ struct dev_context *devc;
+ struct sr_datafeed_packet packet;
+ GArray *data;
+ struct sr_datafeed_analog analog;
+ struct sr_datafeed_logic logic;
(void)fd;
return TRUE;
if (revents == G_IO_IN) {
- /* TODO */
+ ch = devc->current_channel->data;
+
+ switch (ch->type) {
+ case SR_PROBE_ANALOG:
+ if (sr_scpi_get_floatv(sdi->conn, NULL, &data) != SR_OK) {
+ if (data)
+ g_array_free(data, TRUE);
+
+ return TRUE;
+ }
+
+ packet.type = SR_DF_FRAME_BEGIN;
+ sr_session_send(sdi, &packet);
+
+ analog.channels = g_slist_append(NULL, ch);
+ analog.num_samples = data->len;
+ analog.data = (float *) data->data;
+ analog.mq = SR_MQ_VOLTAGE;
+ analog.unit = SR_UNIT_VOLT;
+ analog.mqflags = 0;
+ packet.type = SR_DF_ANALOG;
+ packet.payload = &analog;
+ sr_session_send(cb_data, &packet);
+ g_slist_free(analog.channels);
+ g_array_free(data, TRUE);
+ break;
+ case SR_PROBE_LOGIC:
+ if (sr_scpi_get_uint8v(sdi->conn, NULL, &data) != SR_OK) {
+ if (data)
+ g_free(data);
+ return TRUE;
+ }
+
+ packet.type = SR_DF_FRAME_BEGIN;
+ sr_session_send(sdi, &packet);
+
+ logic.length = data->len;
+ logic.unitsize = 1;
+ logic.data = data->data;
+ packet.type = SR_DF_LOGIC;
+ packet.payload = &logic;
+ sr_session_send(cb_data, &packet);
+ g_array_free(data, TRUE);
+ break;
+ default:
+ sr_err("Invalid channel type.");
+ break;
+ }
+
+ packet.type = SR_DF_FRAME_END;
+ sr_session_send(sdi, &packet);
+
+ if (devc->current_channel->next) {
+ devc->current_channel = devc->current_channel->next;
+ hmo_request_data(sdi);
+ } else if (++devc->num_frames == devc->frame_limit) {
+ sdi->driver->dev_acquisition_stop(sdi, cb_data);
+ } else {
+ devc->current_channel = devc->enabled_channels;
+ hmo_request_data(sdi);
+ }
}
return TRUE;
projects / libsigrok.git / blobdiff