X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fdemo%2Fapi.c;fp=src%2Fhardware%2Fdemo%2Fapi.c;h=190dc83637a48ff6fa7c0a68fec0699abb3e2616;hb=6fc51fb1eeddd7b024a672ef951e760b7b9f697f;hp=32ca88dd106d55da14ac7f5e03b58ddb90214e0c;hpb=31f69b096f8020d817ff26800231cb549f5ce11e;p=libsigrok.git

diff --git a/src/hardware/demo/api.c b/src/hardware/demo/api.c
index 32ca88dd..190dc836 100644
--- a/src/hardware/demo/api.c
+++ b/src/hardware/demo/api.c
@@ -143,6 +143,8 @@ static GSList *scan(struct sr_dev_driver *di, GSList *options)
 	devc->logic_pattern = DEFAULT_LOGIC_PATTERN;
 	devc->num_analog_channels = num_analog_channels;
 	devc->limit_frames = limit_frames;
+	devc->capture_ratio = 20;
+	devc->stl = NULL;
 
 	if (num_logic_channels > 0) {
 		/* Logic channels, all in one channel group. */
@@ -434,6 +436,7 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	uint8_t mask;
 	GHashTableIter iter;
 	void *value;
+	struct sr_trigger *trigger;
 
 	devc = sdi->priv;
 	devc->sent_samples = 0;
@@ -499,6 +502,18 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi)
 	devc->spent_us = 0;
 	devc->step = 0;
 
+	/* Store Triggers to stl and preset trigger_fired */
+	if ((trigger = sr_session_trigger_get(sdi->session))) {
+		int pre_trigger_samples = 0;
+		if (devc->limit_samples > 0)
+			pre_trigger_samples = (devc->capture_ratio * devc->limit_samples) / 100;
+		devc->stl = soft_trigger_logic_new(sdi, trigger, pre_trigger_samples);
+		if (!devc->stl)
+			return SR_ERR_MALLOC;
+		devc->trigger_fired = FALSE;
+	} else
+		devc->trigger_fired = TRUE;
+
 	return SR_OK;
 }
 
@@ -514,6 +529,11 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi)
 
 	std_session_send_df_end(sdi);
 
+	if (devc->stl) {
+		soft_trigger_logic_free(devc->stl);
+		devc->stl = NULL;
+	}
+
 	return SR_OK;
 }