#define DEFAULT_NUM_LOGIC_CHANNELS 8
#define DEFAULT_LOGIC_PATTERN PATTERN_SIGROK
-#define DEFAULT_NUM_ANALOG_CHANNELS 4
-#define DEFAULT_ANALOG_ENCODING_DIGITS 4
-#define DEFAULT_ANALOG_SPEC_DIGITS 4
-#define DEFAULT_ANALOG_AMPLITUDE 10
+#define DEFAULT_NUM_ANALOG_CHANNELS 5
/* Note: No spaces allowed because of sigrok-cli. */
static const char *logic_pattern_str[] = {
static const uint32_t devopts_cg_analog_group[] = {
SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_OFFSET | SR_CONF_GET | SR_CONF_SET,
};
static const uint32_t devopts_cg_analog_channel[] = {
SR_CONF_MEASURED_QUANTITY | SR_CONF_GET | SR_CONF_SET,
SR_CONF_PATTERN_MODE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
SR_CONF_AMPLITUDE | SR_CONF_GET | SR_CONF_SET,
+ SR_CONF_OFFSET | SR_CONF_GET | SR_CONF_SET,
};
static const int32_t trigger_matches[] = {
if (num_logic_channels > 0) {
/* Logic channels, all in one channel group. */
- cg = g_malloc0(sizeof(struct sr_channel_group));
- cg->name = g_strdup("Logic");
+ cg = sr_channel_group_new(sdi, "Logic", NULL);
for (i = 0; i < num_logic_channels; i++) {
sprintf(channel_name, "D%d", i);
ch = sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, channel_name);
cg->channels = g_slist_append(cg->channels, ch);
}
- sdi->channel_groups = g_slist_append(NULL, cg);
}
/* Analog channels, channel groups and pattern generators. */
devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal);
if (num_analog_channels > 0) {
+ /*
+ * Have the waveform for analog patterns pre-generated. It's
+ * supposed to be periodic, so the generator just needs to
+ * access the prepared sample data (DDS style).
+ */
+ demo_generate_analog_pattern(devc);
+
pattern = 0;
/* An "Analog" channel group with all analog channels in it. */
- acg = g_malloc0(sizeof(struct sr_channel_group));
- acg->name = g_strdup("Analog");
- sdi->channel_groups = g_slist_append(sdi->channel_groups, acg);
+ acg = sr_channel_group_new(sdi, "Analog", NULL);
for (i = 0; i < num_analog_channels; i++) {
snprintf(channel_name, 16, "A%d", i);
acg->channels = g_slist_append(acg->channels, ch);
/* Every analog channel gets its own channel group as well. */
- cg = g_malloc0(sizeof(struct sr_channel_group));
- cg->name = g_strdup(channel_name);
+ cg = sr_channel_group_new(sdi, channel_name, NULL);
cg->channels = g_slist_append(NULL, ch);
- sdi->channel_groups = g_slist_append(sdi->channel_groups, cg);
/* Every channel gets a generator struct. */
ag = g_malloc(sizeof(struct analog_gen));
ag->mq_flags = SR_MQFLAG_DC;
ag->unit = SR_UNIT_VOLT;
ag->amplitude = DEFAULT_ANALOG_AMPLITUDE;
+ ag->offset = DEFAULT_ANALOG_OFFSET;
sr_analog_init(&ag->packet, &ag->encoding, &ag->meaning, &ag->spec, 2);
ag->packet.meaning->channels = cg->channels;
ag->packet.meaning->mq = ag->mq;
ag->packet.meaning->unit = ag->unit;
ag->packet.encoding->digits = DEFAULT_ANALOG_ENCODING_DIGITS;
ag->packet.spec->spec_digits = DEFAULT_ANALOG_SPEC_DIGITS;
- ag->packet.data = ag->pattern_data;
+ ag->packet.data = devc->analog_patterns[pattern];
ag->pattern = pattern;
ag->avg_val = 0.0f;
ag->num_avgs = 0;
GHashTableIter iter;
void *value;
+ demo_free_analog_pattern(devc);
+
/* Analog generators. */
g_hash_table_iter_init(&iter, devc->ch_ag);
while (g_hash_table_iter_next(&iter, NULL, &value))
ag = g_hash_table_lookup(devc->ch_ag, ch);
*data = g_variant_new_double(ag->amplitude);
break;
+ case SR_CONF_OFFSET:
+ if (!cg)
+ return SR_ERR_CHANNEL_GROUP;
+ /* Any channel in the group will do. */
+ ch = cg->channels->data;
+ if (ch->type != SR_CHANNEL_ANALOG)
+ return SR_ERR_ARG;
+ ag = g_hash_table_lookup(devc->ch_ag, ch);
+ *data = g_variant_new_double(ag->offset);
+ break;
case SR_CONF_CAPTURE_RATIO:
*data = g_variant_new_uint64(devc->capture_ratio);
break;
ag->amplitude = g_variant_get_double(data);
}
break;
+ case SR_CONF_OFFSET:
+ if (!cg)
+ return SR_ERR_CHANNEL_GROUP;
+ for (l = cg->channels; l; l = l->next) {
+ ch = l->data;
+ if (ch->type != SR_CHANNEL_ANALOG)
+ return SR_ERR_ARG;
+ ag = g_hash_table_lookup(devc->ch_ag, ch);
+ ag->offset = g_variant_get_double(data);
+ }
+ break;
case SR_CONF_CAPTURE_RATIO:
devc->capture_ratio = g_variant_get_uint64(data);
break;
struct sr_channel *ch;
int bitpos;
uint8_t mask;
- GHashTableIter iter;
- void *value;
struct sr_trigger *trigger;
devc = sdi->priv;
devc->first_partial_logic_index,
devc->first_partial_logic_mask);
- /*
- * Have the waveform for analog patterns pre-generated. It's
- * supposed to be periodic, so the generator just needs to
- * access the prepared sample data (DDS style).
- */
- g_hash_table_iter_init(&iter, devc->ch_ag);
- while (g_hash_table_iter_next(&iter, NULL, &value))
- demo_generate_analog_pattern(value, devc->cur_samplerate);
-
sr_session_source_add(sdi->session, -1, 0, 100,
demo_prepare_data, (struct sr_dev_inst *)sdi);
std_session_send_df_header(sdi);
if (devc->limit_frames > 0)
- std_session_send_frame_begin(sdi);
+ std_session_send_df_frame_begin(sdi);
/* We use this timestamp to decide how many more samples to send. */
devc->start_us = g_get_monotonic_time();
devc = sdi->priv;
if (devc->limit_frames > 0)
- std_session_send_frame_end(sdi);
+ std_session_send_df_frame_end(sdi);
std_session_send_df_end(sdi);
projects / libsigrok.git / blobdiff