* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/** @file
+/**
+ * @file
+ *
* <em>Yokogawa DL/DLM series</em> oscilloscope driver
* @internal
*/
#include "protocol.h"
-static const uint32_t dlm_devopts[] = {
- SR_CONF_LOGIC_ANALYZER,
- SR_CONF_OSCILLOSCOPE,
- SR_CONF_LIMIT_FRAMES | SR_CONF_SET,
- SR_CONF_SAMPLERATE | SR_CONF_GET,
- SR_CONF_TRIGGER_SLOPE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_TRIGGER_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_TIMEBASE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_NUM_HDIV | SR_CONF_GET,
- SR_CONF_HORIZ_TRIGGERPOS | SR_CONF_GET | SR_CONF_SET,
-};
-
-static const uint32_t dlm_analog_devopts[] = {
- SR_CONF_VDIV | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_COUPLING | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
- SR_CONF_NUM_VDIV | SR_CONF_GET,
-};
-
static const char *dlm_coupling_options[] = {
"AC",
"DC",
NULL,
};
-/* Note: Values must correlate to the trigger_slopes values */
-static const char *dlm_trigger_slopes[] = {
- "r",
- "f",
- NULL,
-};
-
static const char *dlm_2ch_trigger_sources[] = {
"1",
"2",
NULL,
};
-static const uint64_t dlm_timebases[][2] = {
+/* Note: Values must correlate to the trigger_slopes values. */
+const char *dlm_trigger_slopes[3] = {
+ "r",
+ "f",
+ NULL,
+};
+
+const uint64_t dlm_timebases[36][2] = {
/* nanoseconds */
{ 1, 1000000000 },
{ 2, 1000000000 },
{ 500, 1 },
};
-static const uint64_t dlm_vdivs[][2] = {
+const uint64_t dlm_vdivs[17][2] = {
/* millivolts */
{ 2, 1000 },
{ 5, 1000 },
"1",
"2",
"3",
- "4"
+ "4",
};
static const char *scope_digital_channel_names_8[] = {
"D4",
"D5",
"D6",
- "D7"
+ "D7",
};
static const char *scope_digital_channel_names_32[] = {
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names_8,
- .devopts = &dlm_devopts,
- .num_devopts = ARRAY_SIZE(dlm_devopts),
-
- .analog_devopts = &dlm_analog_devopts,
- .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts),
-
.coupling_options = &dlm_coupling_options,
.trigger_sources = &dlm_2ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
-
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
-
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
.num_xdivs = 10,
.num_ydivs = 8,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names_8,
- .devopts = &dlm_devopts,
- .num_devopts = ARRAY_SIZE(dlm_devopts),
-
- .analog_devopts = &dlm_analog_devopts,
- .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts),
-
.coupling_options = &dlm_coupling_options,
.trigger_sources = &dlm_4ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
-
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
-
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
.num_xdivs = 10,
.num_ydivs = 8,
.analog_names = &scope_analog_channel_names,
.digital_names = NULL,
- .devopts = &dlm_devopts,
- .num_devopts = ARRAY_SIZE(dlm_devopts),
-
- .analog_devopts = &dlm_analog_devopts,
- .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts),
-
.coupling_options = &dlm_coupling_options,
.trigger_sources = &dlm_4ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
-
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
-
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
.num_xdivs = 10,
.num_ydivs = 8,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names_32,
- .devopts = &dlm_devopts,
- .num_devopts = ARRAY_SIZE(dlm_devopts),
-
- .analog_devopts = &dlm_analog_devopts,
- .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts),
-
.coupling_options = &dlm_coupling_options,
.trigger_sources = &dlm_4ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
-
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
-
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
.num_xdivs = 10,
.num_ydivs = 8,
.analog_names = &scope_analog_channel_names,
.digital_names = &scope_digital_channel_names_32,
- .devopts = &dlm_devopts,
- .num_devopts = ARRAY_SIZE(dlm_devopts),
-
- .analog_devopts = &dlm_analog_devopts,
- .num_analog_devopts = ARRAY_SIZE(dlm_analog_devopts),
-
.coupling_options = &dlm_coupling_options,
.trigger_sources = &dlm_4ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
-
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
-
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
.num_xdivs = 10,
.num_ydivs = 8,
unsigned int i;
char *tmp;
- for (i = 0; i < config->analog_channels; ++i) {
- tmp = sr_voltage_string((*config->vdivs)[state->analog_states[i].vdiv][0],
- (*config->vdivs)[state->analog_states[i].vdiv][1]);
- sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
+ for (i = 0; i < config->analog_channels; i++) {
+ tmp = sr_voltage_string(dlm_vdivs[state->analog_states[i].vdiv][0],
+ dlm_vdivs[state->analog_states[i].vdiv][1]);
+ sr_info("State of analog channel %d -> %s : %s (coupling) %s (vdiv) %2.2e (offset)",
i + 1, state->analog_states[i].state ? "On" : "Off",
(*config->coupling_options)[state->analog_states[i].coupling],
tmp, state->analog_states[i].vertical_offset);
}
- for (i = 0; i < config->digital_channels; ++i) {
+ for (i = 0; i < config->digital_channels; i++) {
sr_info("State of digital channel %d -> %s", i,
state->digital_states[i] ? "On" : "Off");
}
- for (i = 0; i < config->pods; ++i) {
+ for (i = 0; i < config->pods; i++) {
sr_info("State of digital POD %d -> %s", i,
state->pod_states[i] ? "On" : "Off");
}
- tmp = sr_period_string((*config->timebases)[state->timebase][0] *
- (*config->timebases)[state->timebase][1]);
+ tmp = sr_period_string(dlm_timebases[state->timebase][0] *
+ dlm_timebases[state->timebase][1]);
sr_info("Current timebase: %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],
+ dlm_trigger_slopes[state->trigger_slope],
state->horiz_triggerpos);
}
*result = -1;
- for (i = 0; (*array)[i]; ++i)
+ for (i = 0; (*array)[i]; i++)
if (!g_strcmp0(value, (*array)[i])) {
*result = i;
break;
/* Transform e.g. 10^-03 to 1000 as the array stores the inverse. */
f = pow(10, abs(i));
- /* Adjust the significand/factor pair to make sure
+ /*
+ * Adjust the significand/factor pair to make sure
* that f is a multiple of 1000.
*/
while ((int)fmod(log10(f), 3) > 0) { s *= 10; f *= 10; }
* Obtains information about all analog channels from the oscilloscope.
* The internal state information is updated accordingly.
*
- * @param scpi An open SCPI connection.
+ * @param sdi The device instance.
* @param config The device's device configuration.
* @param state The device's state information.
*
* @return SR_ERR on error, SR_OK otherwise.
*/
-static int analog_channel_state_get(struct sr_scpi_dev_inst *scpi,
+static int analog_channel_state_get(const struct sr_dev_inst *sdi,
const struct scope_config *config,
struct scope_state *state)
{
+ struct sr_scpi_dev_inst *scpi;
int i, j;
+ GSList *l;
+ struct sr_channel *ch;
gchar *response;
- for (i = 0; i < config->analog_channels; ++i) {
+ scpi = sdi->conn;
+
+ for (i = 0; i < config->analog_channels; i++) {
if (dlm_analog_chan_state_get(scpi, i + 1,
&state->analog_states[i].state) != SR_OK)
return SR_ERR;
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (ch->index == i) {
+ ch->enabled = state->analog_states[i].state;
+ break;
+ }
+ }
+
if (dlm_analog_chan_vdiv_get(scpi, i + 1, &response) != SR_OK)
return SR_ERR;
- if (array_float_get(response, *config->vdivs, config->num_vdivs,
+ if (array_float_get(response, dlm_vdivs, ARRAY_SIZE(dlm_vdivs),
&j) != SR_OK) {
g_free(response);
return SR_ERR;
* Obtains information about all digital channels from the oscilloscope.
* The internal state information is updated accordingly.
*
- * @param scpi An open SCPI connection.
+ * @param sdi The device instance.
* @param config The device's device configuration.
* @param state The device's state information.
*
* @return SR_ERR on error, SR_OK otherwise.
*/
-static int digital_channel_state_get(struct sr_scpi_dev_inst *scpi,
+static int digital_channel_state_get(const struct sr_dev_inst *sdi,
const struct scope_config *config,
struct scope_state *state)
{
- unsigned int i;
+ struct sr_scpi_dev_inst *scpi;
+ int i;
+ GSList *l;
+ struct sr_channel *ch;
- if (!config->digital_channels)
- {
- sr_warn("Tried obtaining digital channel states on a " \
- "model without digital inputs.");
- return SR_OK;
- }
+ scpi = sdi->conn;
- for (i = 0; i < config->digital_channels; ++i) {
+ if (!config->digital_channels) {
+ sr_warn("Tried obtaining digital channel states on a " \
+ "model without digital inputs.");
+ return SR_OK;
+ }
+
+ for (i = 0; i < config->digital_channels; i++) {
if (dlm_digital_chan_state_get(scpi, i + 1,
&state->digital_states[i]) != SR_OK) {
return SR_ERR;
}
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+ if (ch->index == i + DLM_DIG_CHAN_INDEX_OFFS) {
+ ch->enabled = state->digital_states[i];
+ break;
+ }
+ }
}
- if (!config->pods)
- {
+ if (!config->pods) {
sr_warn("Tried obtaining pod states on a model without pods.");
return SR_OK;
}
- for (i = 0; i < config->pods; ++i) {
+ for (i = 0; i < config->pods; i++) {
if (dlm_digital_pod_state_get(scpi, i + 'A',
&state->pod_states[i]) != SR_OK)
return SR_ERR;
return SR_OK;
}
+SR_PRIV int dlm_channel_state_set(const struct sr_dev_inst *sdi,
+ const int ch_index, gboolean ch_state)
+{
+ GSList *l;
+ struct sr_channel *ch;
+ struct dev_context *devc = NULL;
+ struct scope_state *state;
+ const struct scope_config *model = NULL;
+ struct sr_scpi_dev_inst *scpi;
+ gboolean chan_found;
+ gboolean *pod_enabled;
+ int i, result;
+
+ result = SR_OK;
+
+ scpi = sdi->conn;
+ devc = sdi->priv;
+ state = devc->model_state;
+ model = devc->model_config;
+ chan_found = FALSE;
+
+ pod_enabled = g_malloc0(sizeof(gboolean) * model->pods);
+
+ for (l = sdi->channels; l; l = l->next) {
+ ch = l->data;
+
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ if (ch->index == ch_index) {
+ if (dlm_analog_chan_state_set(scpi, ch->index + 1, ch_state) != SR_OK) {
+ result = SR_ERR;
+ break;
+ }
+
+ ch->enabled = ch_state;
+ state->analog_states[ch->index].state = ch_state;
+ chan_found = TRUE;
+ break;
+ }
+ break;
+ case SR_CHANNEL_LOGIC:
+ i = ch->index - DLM_DIG_CHAN_INDEX_OFFS;
+
+ if (ch->index == ch_index) {
+ if (dlm_digital_chan_state_set(scpi, i + 1, ch_state) != SR_OK) {
+ result = SR_ERR;
+ break;
+ }
+
+ ch->enabled = ch_state;
+ state->digital_states[i] = ch_state;
+ chan_found = TRUE;
+
+ /* The corresponding pod has to be enabled also. */
+ pod_enabled[i / 8] |= ch->enabled;
+ } else {
+ /* Also check all other channels. Maybe we can disable a pod. */
+ pod_enabled[i / 8] |= ch->enabled;
+ }
+ break;
+ default:
+ result = SR_ERR_NA;
+ }
+ }
+
+ for (i = 0; i < model->pods; i++) {
+ if (state->pod_states[i] == pod_enabled[i])
+ continue;
+
+ if (dlm_digital_pod_state_set(scpi, i + 1, pod_enabled[i]) != SR_OK) {
+ result = SR_ERR;
+ break;
+ }
+
+ state->pod_states[i] = pod_enabled[i];
+ }
+
+ g_free(pod_enabled);
+
+ if ((result == SR_OK) && !chan_found)
+ result = SR_ERR_BUG;
+
+ return result;
+}
+
/**
* Obtains information about the sample rate from the oscilloscope.
* The internal state information is updated accordingly.
devc = sdi->priv;
state = devc->model_state;
- /* No need to find an active channel to query the sample rate:
+ /*
+ * No need to find an active channel to query the sample rate:
* querying any channel will do, so we use channel 1 all the time.
*/
if (dlm_analog_chan_srate_get(sdi->conn, 1, &tmp_float) != SR_OK)
config = devc->model_config;
state = devc->model_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 (dlm_timebase_get(sdi->conn, &response) != SR_OK)
return SR_ERR;
- if (array_float_get(response, *config->timebases,
- config->num_timebases, &i) != SR_OK) {
+ if (array_float_get(response, dlm_timebases,
+ ARRAY_SIZE(dlm_timebases), &i) != SR_OK) {
g_free(response);
return SR_ERR;
}
/* TODO: Check if the calculation makes sense for the DLM. */
state->horiz_triggerpos = tmp_float /
- (((double)(*config->timebases)[state->timebase][0] /
- (*config->timebases)[state->timebase][1]) * config->num_xdivs);
+ (((double)dlm_timebases[state->timebase][0] /
+ dlm_timebases[state->timebase][1]) * config->num_xdivs);
state->horiz_triggerpos -= 0.5;
state->horiz_triggerpos *= -1;
}
/* Add digital channel groups. */
- for (i = 0; i < scope_models[model_index].pods; ++i) {
+ for (i = 0; i < scope_models[model_index].pods; i++) {
g_snprintf(tmp, sizeof(tmp), "POD%d", i);
devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
return SR_ERR;
}
- range = ch_state->waveform_range;
+ range = ch_state->waveform_range;
offset = ch_state->waveform_offset;
- /* Convert byte sample to voltage according to
+ /*
+ * Convert byte sample to voltage according to
* page 269 of the Communication Interface User's Manual.
*/
float_data = g_array_new(FALSE, FALSE, sizeof(float));
* @param cb_data Callback data, in this case our device instance.
*
* @return TRUE in case of success or a recoverable error,
- * FALSE when a fatal error was encountered.
+ * FALSE when a fatal error was encountered.
*/
SR_PRIV int dlm_data_receive(int fd, int revents, void *cb_data)
{
g_array_free(data, TRUE);
data = NULL;
- /* Signal the end of this frame if this was the last enabled channel
+ /*
+ * Signal the end of this frame if this was the last enabled channel
* and set the next enabled channel. Then, request its data.
*/
if (!devc->current_channel->next) {
sr_session_send(sdi, &packet);
devc->current_channel = devc->enabled_channels;
- /* As of now we only support importing the current acquisition
+ /*
+ * As of now we only support importing the current acquisition
* data so we're going to stop at this point.
*/
sdi->driver->dev_acquisition_stop(sdi, cb_data);
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