* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-/** @file
- * <em>Yokogawa DL/DLM series</em> oscilloscope driver
- * @internal
- */
-
+#include <config.h>
+#include "scpi.h"
#include "protocol.h"
-static const int32_t dlm_hwcaps[] = {
- SR_CONF_LOGIC_ANALYZER,
- SR_CONF_OSCILLOSCOPE,
- SR_CONF_TRIGGER_SLOPE,
- SR_CONF_TRIGGER_SOURCE,
- SR_CONF_TIMEBASE,
- SR_CONF_NUM_TIMEBASE,
- SR_CONF_HORIZ_TRIGGERPOS,
-};
-
-static const int32_t dlm_analog_caps[] = {
- SR_CONF_VDIV,
- SR_CONF_COUPLING,
- SR_CONF_NUM_VDIV,
+static const char *coupling_options[] = {
+ "AC", "DC", "DC50", "GND",
};
-static const char *dlm_coupling_options[] = {
- "AC",
- "DC",
- "DC50",
- "GND",
- NULL,
+static const char *trigger_sources_2ch[] = {
+ "1", "2", "LINE", "EXT",
};
-/* Note: Values must correlate to the trigger_slopes values */
-static const char *dlm_trigger_slopes[] = {
- "r",
- "f",
- NULL,
+/* TODO: Is BITx handled correctly or is Dx required? */
+static const char *trigger_sources_4ch[] = {
+ "1", "2", "3", "4",
+ "LINE", "EXT", "BIT1",
+ "BIT2", "BIT3", "BIT4", "BIT5", "BIT6", "BIT7", "BIT8",
};
-static const char *dlm_2ch_trigger_sources[] = {
- "1",
- "2",
- "LINE",
- "EXT",
- NULL,
+/* Note: Values must correlate to the trigger_slopes values. */
+const char *dlm_trigger_slopes[2] = {
+ "r", "f",
};
-/* TODO: Is BITx handled correctly or is Dx required? */
-static const char *dlm_4ch_trigger_sources[] = {
- "1",
- "2",
- "3",
- "4",
- "LINE",
- "EXT",
- "BIT1",
- "BIT2",
- "BIT3",
- "BIT4",
- "BIT5",
- "BIT6",
- "BIT7",
- "BIT8",
- NULL,
-};
-
-static const uint64_t dlm_timebases[][2] = {
+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 },
};
static const char *scope_analog_channel_names[] = {
- "1",
- "2",
- "3",
- "4"
+ "1", "2", "3", "4",
+};
+
+static const char *scope_digital_channel_names_8[] = {
+ "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
};
-static const char *scope_digital_channel_names[] = {
- "D0",
- "D1",
- "D2",
- "D3",
- "D4",
- "D5",
- "D6",
- "D7"
+static const char *scope_digital_channel_names_32[] = {
+ "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7",
+ "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7",
+ "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7",
+ "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7",
};
-static struct scope_config scope_models[] = {
+static const struct scope_config scope_models[] = {
{
.model_id = {"710105", "710115", "710125", NULL},
.model_name = {"DLM2022", "DLM2032", "DLM2052", NULL},
.pods = 0,
.analog_names = &scope_analog_channel_names,
- .digital_names = &scope_digital_channel_names,
+ .digital_names = &scope_digital_channel_names_8,
- .hw_caps = &dlm_hwcaps,
- .num_hwcaps = ARRAY_SIZE(dlm_hwcaps),
+ .coupling_options = &coupling_options,
+ .num_coupling_options = ARRAY_SIZE(coupling_options),
- .analog_hwcaps = &dlm_analog_caps,
- .num_analog_hwcaps = ARRAY_SIZE(dlm_analog_caps),
+ .trigger_sources = &trigger_sources_2ch,
+ .num_trigger_sources = ARRAY_SIZE(trigger_sources_2ch),
- .coupling_options = &dlm_coupling_options,
- .trigger_sources = &dlm_2ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
+ .num_xdivs = 10,
+ .num_ydivs = 8,
+ },
+ {
+ .model_id = {"710110", "710120", "710130", NULL},
+ .model_name = {"DLM2024", "DLM2034", "DLM2054", NULL},
+ .analog_channels = 4,
+ .digital_channels = 8,
+ .pods = 1,
+
+ .analog_names = &scope_analog_channel_names,
+ .digital_names = &scope_digital_channel_names_8,
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
+ .coupling_options = &coupling_options,
+ .num_coupling_options = ARRAY_SIZE(coupling_options),
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
+ .trigger_sources = &trigger_sources_4ch,
+ .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
.num_xdivs = 10,
.num_ydivs = 8,
},
{
- .model_id = {"710110", "710120", "710130", NULL},
- .model_name = {"DLM2024", "DLM2034", "DLM2054", NULL},
+ .model_id = {"701307", "701308", "701310", "701311",
+ "701312", "701313", NULL},
+ .model_name = {"DL9040", "DL9040L", "DL9140", "DL9140L",
+ "DL9240", "DL9240L", NULL},
.analog_channels = 4,
- .digital_channels = 8,
- .pods = 1,
+ .digital_channels = 0,
+ .pods = 0,
.analog_names = &scope_analog_channel_names,
- .digital_names = &scope_digital_channel_names,
+ .digital_names = NULL,
- .hw_caps = &dlm_hwcaps,
- .num_hwcaps = ARRAY_SIZE(dlm_hwcaps),
+ .coupling_options = &coupling_options,
+ .num_coupling_options = ARRAY_SIZE(coupling_options),
- .analog_hwcaps = &dlm_analog_caps,
- .num_analog_hwcaps = ARRAY_SIZE(dlm_analog_caps),
+ .trigger_sources = &trigger_sources_4ch,
+ .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
- .coupling_options = &dlm_coupling_options,
- .trigger_sources = &dlm_4ch_trigger_sources,
- .trigger_slopes = &dlm_trigger_slopes,
+ .num_xdivs = 10,
+ .num_ydivs = 8,
+ },
+ {
+ .model_id = {"701320", "701321", NULL},
+ .model_name = {"DL9505L", "DL9510L", NULL},
+ .analog_channels = 4,
+ .digital_channels = 16,
+ .pods = 4,
+
+ .analog_names = &scope_analog_channel_names,
+ .digital_names = &scope_digital_channel_names_32,
+
+ .coupling_options = &coupling_options,
+ .num_coupling_options = ARRAY_SIZE(coupling_options),
+
+ .trigger_sources = &trigger_sources_4ch,
+ .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
+
+ .num_xdivs = 10,
+ .num_ydivs = 8,
+ },
+ {
+ .model_id = {"701330", "701331", NULL},
+ .model_name = {"DL9705L", "DL9710L", NULL},
+ .analog_channels = 4,
+ .digital_channels = 32,
+ .pods = 4,
+
+ .analog_names = &scope_analog_channel_names,
+ .digital_names = &scope_digital_channel_names_32,
- .timebases = &dlm_timebases,
- .num_timebases = ARRAY_SIZE(dlm_timebases),
+ .coupling_options = &coupling_options,
+ .num_coupling_options = ARRAY_SIZE(coupling_options),
- .vdivs = &dlm_vdivs,
- .num_vdivs = ARRAY_SIZE(dlm_vdivs),
+ .trigger_sources = &trigger_sources_4ch,
+ .num_trigger_sources = ARRAY_SIZE(trigger_sources_4ch),
.num_xdivs = 10,
.num_ydivs = 8,
* @param config This is the scope configuration.
* @param state The current scope state to print.
*/
-static void scope_state_dump(struct scope_config *config,
+static void scope_state_dump(const 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_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)",
- 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->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");
+ 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");
+ 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 samplerate: %s", tmp);
g_free(tmp);
+ sr_info("Current samples per acquisition (i.e. frame): %d",
+ state->samples_per_frame);
+
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);
+ (*config->trigger_sources)[state->trigger_source],
+ dlm_trigger_slopes[state->trigger_slope],
+ state->horiz_triggerpos);
}
/**
* @return SR_ERR when value couldn't be found, SR_OK otherwise.
*/
static int array_option_get(char *value, const char *(*array)[],
- int *result)
+ unsigned int n, int *result)
{
unsigned int i;
*result = -1;
- for (i = 0; (*array)[i]; ++i)
+ for (i = 0; i < n; i++)
if (!g_strcmp0(value, (*array)[i])) {
*result = i;
break;
static int array_float_get(gchar *value, const uint64_t array[][2],
int array_len, int *result)
{
- int i;
+ int i, e;
+ size_t pos;
uint64_t f;
float s;
+ unsigned int s_int;
gchar ss[10], es[10];
memset(ss, 0, sizeof(ss));
memset(es, 0, sizeof(es));
- strncpy(ss, value, 5);
- strncpy(es, &(value[6]), 3);
+ /* Get index of the separating 'E' character and break up the string. */
+ pos = strcspn(value, "E");
+
+ strncpy(ss, value, pos);
+ strncpy(es, &(value[pos+1]), 3);
if (sr_atof_ascii(ss, &s) != SR_OK)
return SR_ERR;
- if (sr_atoi(es, &i) != SR_OK)
+ if (sr_atoi(es, &e) != SR_OK)
return SR_ERR;
/* Transform e.g. 10^-03 to 1000 as the array stores the inverse. */
- f = pow(10, abs(i));
+ f = pow(10, abs(e));
- /* 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; }
+ while ((int)fmod(log10(f), 3) > 0) {
+ s *= 10;
+
+ if (e < 0)
+ f *= 10;
+ else
+ f /= 10;
+ }
/* Truncate s to circumvent rounding errors. */
- s = (int)s;
+ s_int = (unsigned int)s;
for (i = 0; i < array_len; i++) {
- if ( (s == array[i][0]) && (f == array[i][1]) ) {
+ if ((s_int == array[i][0]) && (f == array[i][1])) {
*result = i;
return SR_OK;
}
* 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,
- struct scope_config *config,
- struct scope_state *state)
+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)
+ &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,
- &j) != SR_OK) {
+ if (array_float_get(response, ARRAY_AND_SIZE(dlm_vdivs),
+ &j) != SR_OK) {
g_free(response);
return SR_ERR;
}
state->analog_states[i].vdiv = j;
if (dlm_analog_chan_voffs_get(scpi, i + 1,
- &state->analog_states[i].vertical_offset) != SR_OK)
+ &state->analog_states[i].vertical_offset) != SR_OK)
return SR_ERR;
if (dlm_analog_chan_wrange_get(scpi, i + 1,
- &state->analog_states[i].waveform_range) != SR_OK)
+ &state->analog_states[i].waveform_range) != SR_OK)
return SR_ERR;
if (dlm_analog_chan_woffs_get(scpi, i + 1,
- &state->analog_states[i].waveform_offset) != SR_OK)
+ &state->analog_states[i].waveform_offset) != SR_OK)
return SR_ERR;
if (dlm_analog_chan_coupl_get(scpi, i + 1, &response) != SR_OK) {
}
if (array_option_get(response, config->coupling_options,
- &state->analog_states[i].coupling) != SR_OK) {
+ config->num_coupling_options,
+ &state->analog_states[i].coupling) != 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,
- struct scope_config *config,
- struct scope_state *state)
+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;
+
+ scpi = sdi->conn;
- if (!config->digital_channels)
- {
- sr_warn("Tried obtaining digital channel states on a " \
+ if (!config->digital_channels) {
+ sr_warn("Tried obtaining digital channel states on a " \
"model without digital inputs.");
- return SR_OK;
- }
+ return SR_OK;
+ }
- for (i = 0; i < config->digital_channels; ++i) {
+ 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)
{
struct dev_context *devc;
struct scope_state *state;
- struct scope_config *config;
+ const struct scope_config *config;
float tmp_float;
gchar *response;
int i;
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, ARRAY_AND_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;
}
if (array_option_get(response, config->trigger_sources,
- &state->trigger_source) != SR_OK) {
+ config->num_trigger_sources, &state->trigger_source) != SR_OK) {
g_free(response);
return SR_ERR;
}
state->trigger_slope = i;
+ if (dlm_acq_length_get(sdi->conn, &state->samples_per_frame) != SR_OK) {
+ sr_err("Failed to query acquisition length.");
+ return SR_ERR;
+ }
+
dlm_sample_rate_query(sdi);
scope_state_dump(config, state);
*
* @param config The device configuration to use.
*
- * @return The newly allocated scope_state struct or NULL on error.
+ * @return The newly allocated scope_state struct.
*/
-static struct scope_state *dlm_scope_state_new(struct scope_config *config)
+static struct scope_state *dlm_scope_state_new(const struct scope_config *config)
{
struct scope_state *state;
- if (!(state = g_try_malloc0(sizeof(struct scope_state))))
- return NULL;
+ state = g_malloc0(sizeof(struct scope_state));
state->analog_states = g_malloc0(config->analog_channels *
- sizeof(struct analog_channel_state));
+ sizeof(struct analog_channel_state));
state->digital_states = g_malloc0(config->digital_channels *
- sizeof(gboolean));
+ sizeof(gboolean));
state->pod_states = g_malloc0(config->pods * sizeof(gboolean));
if (*model_index == -1) {
sr_err("Found unsupported DLM device with model identifier %s.",
- model_id);
+ model_id);
return SR_ERR_NA;
}
*/
SR_PRIV int dlm_device_init(struct sr_dev_inst *sdi, int model_index)
{
- char tmp[25];
int i;
struct sr_channel *ch;
struct dev_context *devc;
devc = sdi->priv;
devc->analog_groups = g_malloc0(sizeof(struct sr_channel_group*) *
- scope_models[model_index].analog_channels);
-
+ scope_models[model_index].analog_channels);
devc->digital_groups = g_malloc0(sizeof(struct sr_channel_group*) *
- scope_models[model_index].digital_channels);
+ scope_models[model_index].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. */
+ /* Add analog channels, each in its own group. */
for (i = 0; i < scope_models[model_index].analog_channels; i++) {
- if (!(ch = sr_channel_new(i, SR_CHANNEL_ANALOG, TRUE,
- (*scope_models[model_index].analog_names)[i])))
- return SR_ERR_MALLOC;
- sdi->channels = g_slist_append(sdi->channels, ch);
+ ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
+ (*scope_models[model_index].analog_names)[i]);
- devc->analog_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
-
- devc->analog_groups[i]->name = g_strdup(
- (char *)(*scope_models[model_index].analog_names)[i]);
+ devc->analog_groups[i] = sr_channel_group_new(sdi,
+ (*scope_models[model_index].analog_names)[i], NULL);
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].pods; ++i) {
- g_snprintf(tmp, sizeof(tmp), "POD%d", i);
-
- devc->digital_groups[i] = g_malloc0(sizeof(struct sr_channel_group));
+ for (i = 0; i < scope_models[model_index].pods; i++) {
+ devc->digital_groups[i] = sr_channel_group_new(sdi, NULL, NULL);
if (!devc->digital_groups[i])
return SR_ERR_MALLOC;
-
- devc->digital_groups[i]->name = g_strdup(tmp);
- sdi->channel_groups = g_slist_append(sdi->channel_groups,
- devc->digital_groups[i]);
+ devc->digital_groups[i]->name = g_strdup_printf("POD%d", i);
}
/* Add digital channels. */
for (i = 0; i < scope_models[model_index].digital_channels; i++) {
- if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
- (*scope_models[model_index].digital_names)[i])))
- return SR_ERR_MALLOC;
- sdi->channels = g_slist_append(sdi->channels, ch);
+ ch = sr_channel_new(sdi, DLM_DIG_CHAN_INDEX_OFFS + i,
+ SR_CHANNEL_LOGIC, TRUE,
+ (*scope_models[model_index].digital_names)[i]);
devc->digital_groups[i / 8]->channels = g_slist_append(
- devc->digital_groups[i / 8]->channels, ch);
+ devc->digital_groups[i / 8]->channels, ch);
}
devc->model_config = &scope_models[model_index];
devc->frame_limit = 0;
return SR_OK;
}
-/**
- * Send an SCPI command, read the reply and store the result in scpi_response
- * without performing any processing on it.
- *
- * @param scpi Previously initialised SCPI device structure.
- * @param command The SCPI command to send to the device (can be NULL).
- * @param scpi_response Pointer where to store the parsed result.
- *
- * @return SR_OK on success, SR_ERR on failure.
- */
-static int dlm_scpi_get_raw(struct sr_scpi_dev_inst *scpi,
- const char *command, GArray **scpi_response)
+SR_PRIV int dlm_channel_data_request(const struct sr_dev_inst *sdi)
{
- char buf[256];
- int len;
-
- if (command)
- if (sr_scpi_send(scpi, command) != SR_OK)
- return SR_ERR;
-
- if (sr_scpi_read_begin(scpi) != SR_OK)
- return SR_ERR;
+ struct dev_context *devc;
+ struct sr_channel *ch;
+ int result;
- *scpi_response = g_array_new(FALSE, FALSE, sizeof(uint8_t));
+ devc = sdi->priv;
+ ch = devc->current_channel->data;
- while (!sr_scpi_read_complete(scpi)) {
- len = sr_scpi_read_data(scpi, buf, sizeof(buf));
- if (len < 0) {
- g_array_free(*scpi_response, TRUE);
- *scpi_response = NULL;
- return SR_ERR;
- }
- g_array_append_vals(*scpi_response, buf, len);
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ result = dlm_analog_data_get(sdi->conn, ch->index + 1);
+ break;
+ case SR_CHANNEL_LOGIC:
+ result = dlm_digital_data_get(sdi->conn);
+ break;
+ default:
+ sr_err("Invalid channel type encountered (%d).",
+ ch->type);
+ result = SR_ERR;
}
- return SR_OK;
+ if (result == SR_OK)
+ devc->data_pending = TRUE;
+ else
+ devc->data_pending = FALSE;
+
+ return result;
}
/**
* Turns raw sample data into voltages and sends them off to the session bus.
*
* @param data The raw sample data.
- * @samples Number of samples that were acquired.
* @ch_state Pointer to the state of the channel whose data we're processing.
* @sdi The device instance.
*
* @return SR_ERR when data is trucated, SR_OK otherwise.
*/
-static int dlm_analog_samples_send(GArray *data, int samples,
- struct analog_channel_state *ch_state,
- struct sr_dev_inst *sdi)
+static int dlm_analog_samples_send(GArray *data,
+ struct analog_channel_state *ch_state,
+ struct sr_dev_inst *sdi)
{
- int i;
+ uint32_t i, samples;
float voltage, range, offset;
GArray *float_data;
struct dev_context *devc;
+ struct scope_state *model_state;
struct sr_channel *ch;
struct sr_datafeed_analog analog;
+ struct sr_analog_encoding encoding;
+ struct sr_analog_meaning meaning;
+ struct sr_analog_spec spec;
struct sr_datafeed_packet packet;
+ devc = sdi->priv;
+ model_state = devc->model_state;
+ samples = model_state->samples_per_frame;
+ ch = devc->current_channel->data;
+
if (data->len < samples * sizeof(uint8_t)) {
sr_err("Truncated waveform data packet received.");
return SR_ERR;
}
- devc = sdi->priv;
- ch = devc->current_channel->data;
-
- 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));
for (i = 0; i < samples; i++) {
voltage = (float)g_array_index(data, int8_t, i);
voltage = (range * voltage /
- DLM_DIVISION_FOR_BYTE_FORMAT) + offset;
+ DLM_DIVISION_FOR_BYTE_FORMAT) + offset;
g_array_append_val(float_data, voltage);
}
- analog.channels = g_slist_append(NULL, ch);
+ /* TODO: Use proper 'digits' value for this device (and its modes). */
+ sr_analog_init(&analog, &encoding, &meaning, &spec, 2);
+ analog.meaning->channels = g_slist_append(NULL, ch);
analog.num_samples = float_data->len;
analog.data = (float*)float_data->data;
- analog.mq = SR_MQ_VOLTAGE;
- analog.unit = SR_UNIT_VOLT;
- analog.mqflags = 0;
+ analog.meaning->mq = SR_MQ_VOLTAGE;
+ analog.meaning->unit = SR_UNIT_VOLT;
+ analog.meaning->mqflags = 0;
packet.type = SR_DF_ANALOG;
packet.payload = &analog;
sr_session_send(sdi, &packet);
- g_slist_free(analog.channels);
+ g_slist_free(analog.meaning->channels);
g_array_free(float_data, TRUE);
g_array_remove_range(data, 0, samples * sizeof(uint8_t));
* Sends logic sample data off to the session bus.
*
* @param data The raw sample data.
- * @samples Number of samples that were acquired.
* @ch_state Pointer to the state of the channel whose data we're processing.
* @sdi The device instance.
*
* @return SR_ERR when data is trucated, SR_OK otherwise.
*/
-static int dlm_digital_samples_send(GArray *data, int samples,
- struct sr_dev_inst *sdi)
+static int dlm_digital_samples_send(GArray *data,
+ struct sr_dev_inst *sdi)
{
+ struct dev_context *devc;
+ struct scope_state *model_state;
+ uint32_t samples;
struct sr_datafeed_logic logic;
struct sr_datafeed_packet packet;
+ devc = sdi->priv;
+ model_state = devc->model_state;
+ samples = model_state->samples_per_frame;
+
if (data->len < samples * sizeof(uint8_t)) {
sr_err("Truncated waveform data packet received.");
return SR_ERR;
* @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)
{
- struct sr_channel *ch;
struct sr_dev_inst *sdi;
struct scope_state *model_state;
struct dev_context *devc;
- struct sr_datafeed_packet packet;
- GArray *data;
- int result, num_bytes, samples;
+ struct sr_channel *ch;
+ int chunk_len, num_bytes;
+ static GArray *data = NULL;
(void)fd;
(void)revents;
if (!(model_state = (struct scope_state*)devc->model_state))
return FALSE;
- if (dlm_acq_length_get(sdi->conn, &samples) != SR_OK) {
- sr_err("Failed to query acquisition length.");
+ /* Are we waiting for a response from the device? */
+ if (!devc->data_pending)
return TRUE;
- }
- packet.type = SR_DF_FRAME_BEGIN;
- sr_session_send(sdi, &packet);
+ /* Check if a new query response is coming our way. */
+ if (!data) {
+ if (sr_scpi_read_begin(sdi->conn) == SR_OK)
+ /* The 16 here accounts for the header and EOL. */
+ data = g_array_sized_new(FALSE, FALSE, sizeof(uint8_t),
+ 16 + model_state->samples_per_frame);
+ else
+ return TRUE;
+ }
- /* Request data for all active channels. */
- for (devc->current_channel = devc->enabled_channels;
- devc->current_channel;
- devc->current_channel = devc->current_channel->next) {
- ch = devc->current_channel->data;
+ /* Store incoming data. */
+ chunk_len = sr_scpi_read_data(sdi->conn, devc->receive_buffer,
+ RECEIVE_BUFFER_SIZE);
+ if (chunk_len < 0) {
+ sr_err("Error while reading data: %d", chunk_len);
+ goto fail;
+ }
+ g_array_append_vals(data, devc->receive_buffer, chunk_len);
- switch (ch->type) {
- case SR_CHANNEL_ANALOG:
- result = dlm_analog_data_get(sdi->conn, ch->index + 1);
- break;
- case SR_CHANNEL_LOGIC:
- result = dlm_digital_data_get(sdi->conn);
- break;
- default:
- sr_err("Invalid channel type encountered (%d).",
- ch->type);
- continue;
- }
+ /* Read the entire query response before processing. */
+ if (!sr_scpi_read_complete(sdi->conn))
+ return TRUE;
- if (result != SR_OK) {
- sr_err("Failed to query aquisition data.");
- goto fail;
- }
+ /* We finished reading and are no longer waiting for data. */
+ devc->data_pending = FALSE;
- data = NULL;
- if (dlm_scpi_get_raw(sdi->conn, NULL, &data) != SR_OK) {
- sr_err("Failed to receive waveform data from device.");
- goto fail;
- }
+ /* Signal the beginning of a new frame if this is the first channel. */
+ if (devc->current_channel == devc->enabled_channels)
+ std_session_send_df_frame_begin(sdi);
- if (dlm_block_data_header_process(data, &num_bytes) != SR_OK) {
- sr_err("Encountered malformed block data header.");
- goto fail;
- }
+ if (dlm_block_data_header_process(data, &num_bytes) != SR_OK) {
+ sr_err("Encountered malformed block data header.");
+ goto fail;
+ }
- if (num_bytes == 0) {
- sr_warn("Zero-length waveform data packet received. " \
+ if (num_bytes == 0) {
+ sr_warn("Zero-length waveform data packet received. " \
"Live mode not supported yet, stopping " \
"acquisition and retrying.");
- /* Don't care about return value here. */
- dlm_acquisition_stop(sdi->conn);
- goto fail;
- }
+ /* Don't care about return value here. */
+ dlm_acquisition_stop(sdi->conn);
+ g_array_free(data, TRUE);
+ dlm_channel_data_request(sdi);
+ return TRUE;
+ }
- switch (ch->type) {
- case SR_CHANNEL_ANALOG:
- if (dlm_analog_samples_send(data, samples,
- &model_state->analog_states[ch->index],
- sdi) != SR_OK)
- goto fail;
- break;
+ ch = devc->current_channel->data;
+ switch (ch->type) {
+ case SR_CHANNEL_ANALOG:
+ if (dlm_analog_samples_send(data,
+ &model_state->analog_states[ch->index],
+ sdi) != SR_OK)
+ goto fail;
+ break;
+ case SR_CHANNEL_LOGIC:
+ if (dlm_digital_samples_send(data, sdi) != SR_OK)
+ goto fail;
+ break;
+ default:
+ sr_err("Invalid channel type encountered.");
+ break;
+ }
- case SR_CHANNEL_LOGIC:
- if (dlm_digital_samples_send(data, samples,
- sdi) != SR_OK)
- goto fail;
- break;
+ g_array_free(data, TRUE);
+ data = NULL;
- default:
- sr_err("Invalid channel type encountered.");
- break;
- }
+ /*
+ * 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) {
+ std_session_send_df_frame_end(sdi);
+ devc->current_channel = devc->enabled_channels;
+
+ /*
+ * As of now we only support importing the current acquisition
+ * data so we're going to stop at this point.
+ */
+ sr_dev_acquisition_stop(sdi);
+ return TRUE;
+ } else
+ devc->current_channel = devc->current_channel->next;
- g_array_free(data, TRUE);
+ if (dlm_channel_data_request(sdi) != SR_OK) {
+ sr_err("Failed to request acquisition data.");
+ goto fail;
}
- packet.type = SR_DF_FRAME_END;
- sr_session_send(sdi, &packet);
-
- sdi->driver->dev_acquisition_stop(sdi, cb_data);
-
return TRUE;
fail:
- if (data)
+ if (data) {
g_array_free(data, TRUE);
+ data = NULL;
+ }
- return TRUE;
+ return FALSE;
}
projects / libsigrok.git / blobdiff