};
static const uint32_t devopts[] = {
- SR_CONF_CONTINUOUS | SR_CONF_SET,
+ SR_CONF_CONTINUOUS,
SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
static int dev_acquisition_stop(struct sr_dev_inst *sdi);
-static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
-{
- return std_init(sr_ctx, di, LOG_PREFIX);
-}
-
static void generate_analog_pattern(struct analog_gen *ag, uint64_t sample_rate)
{
double t, frequency;
devices = NULL;
sdi = g_malloc0(sizeof(struct sr_dev_inst));
- sdi->status = SR_ST_ACTIVE;
+ sdi->status = SR_ST_INACTIVE;
sdi->model = g_strdup("Demo device");
sdi->driver = di;
devc->logic_pattern = PATTERN_SIGROK;
devc->num_analog_channels = num_analog_channels;
- /* Logic channels, all in one channel group. */
- cg = g_malloc0(sizeof(struct sr_channel_group));
- cg->name = g_strdup("Logic");
- 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);
+ 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");
+ 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);
}
- sdi->channel_groups = g_slist_append(NULL, cg);
/* Analog channels, channel groups and pattern generators. */
- 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);
-
- devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal);
- for (i = 0; i < num_analog_channels; i++) {
- snprintf(channel_name, 16, "A%d", i);
- ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG,
- TRUE, channel_name);
- 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->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->amplitude = DEFAULT_ANALOG_AMPLITUDE;
- ag->packet.channels = cg->channels;
- ag->packet.mq = 0;
- ag->packet.mqflags = 0;
- ag->packet.unit = SR_UNIT_VOLT;
- ag->packet.data = ag->pattern_data;
- ag->pattern = pattern;
- ag->avg_val = 0.0f;
- ag->num_avgs = 0;
- g_hash_table_insert(devc->ch_ag, ch, ag);
-
- if (++pattern == ARRAY_SIZE(analog_pattern_str))
- pattern = 0;
+ if (num_analog_channels > 0) {
+ 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);
+
+ devc->ch_ag = g_hash_table_new(g_direct_hash, g_direct_equal);
+ for (i = 0; i < num_analog_channels; i++) {
+ snprintf(channel_name, 16, "A%d", i);
+ ch = sr_channel_new(sdi, i + num_logic_channels, SR_CHANNEL_ANALOG,
+ TRUE, channel_name);
+ 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->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->amplitude = DEFAULT_ANALOG_AMPLITUDE;
+ ag->packet.channels = cg->channels;
+ ag->packet.mq = 0;
+ ag->packet.mqflags = 0;
+ ag->packet.unit = SR_UNIT_VOLT;
+ ag->packet.data = ag->pattern_data;
+ ag->pattern = pattern;
+ ag->avg_val = 0.0f;
+ ag->num_avgs = 0;
+ g_hash_table_insert(devc->ch_ag, ch, ag);
+
+ if (++pattern == ARRAY_SIZE(analog_pattern_str))
+ pattern = 0;
+ }
}
sdi->priv = devc;
devc = sdi->priv;
/* Just in case. */
- if (devc->cur_samplerate <= 0 || devc->logic_unitsize <= 0
+ if (devc->cur_samplerate <= 0
|| (devc->num_logic_channels <= 0
&& devc->num_analog_channels <= 0)) {
dev_acquisition_stop(sdi);
.name = "demo",
.longname = "Demo driver and pattern generator",
.api_version = 1,
- .init = init,
+ .init = std_init,
.cleanup = std_cleanup,
.scan = scan,
.dev_list = std_dev_list,