X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbeaglelogic%2Fapi.c;h=d10d071bff0b54eca7e1aa109742950b8be758ee;hb=145d794facd93b182e6c85d7613ce2e6d9a66d48;hp=46abde3d881aa8e16a89e8272e7fb58efe5c9c19;hpb=c368e6f3d248a73d69cd0c2c4a7c88a92def55e3;p=libsigrok.git

diff --git a/src/hardware/beaglelogic/api.c b/src/hardware/beaglelogic/api.c
index 46abde3d..d10d071b 100644
--- a/src/hardware/beaglelogic/api.c
+++ b/src/hardware/beaglelogic/api.c
@@ -21,7 +21,6 @@
 #include "beaglelogic.h"
 
 SR_PRIV struct sr_dev_driver beaglelogic_driver_info;
-static struct sr_dev_driver *di = &beaglelogic_driver_info;
 
 /* Scan options */
 static const uint32_t scanopts[] = {
@@ -35,6 +34,7 @@ static const uint32_t devopts[] = {
 	SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_TRIGGER_MATCH | SR_CONF_LIST,
+	SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
 	SR_CONF_NUM_LOGIC_CHANNELS | SR_CONF_GET,
 };
 
@@ -60,7 +60,7 @@ static const uint64_t samplerates[] = {
 	SR_HZ(1),
 };
 
-static int init(struct sr_context *sr_ctx)
+static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
 {
 	return std_init(sr_ctx, di, LOG_PREFIX);
 }
@@ -78,14 +78,13 @@ static struct dev_context *beaglelogic_devc_alloc(void)
 	return devc;
 }
 
-static GSList *scan(GSList *options)
+static GSList *scan(struct sr_dev_driver *di, GSList *options)
 {
 	struct drv_context *drvc;
 	GSList *devices, *l;
 	struct sr_config *src;
 	struct sr_dev_inst *sdi;
 	struct dev_context *devc;
-	struct sr_channel *ch;
 	int i, maxch;
 
 	devices = NULL;
@@ -135,11 +134,9 @@ static GSList *scan(GSList *options)
 	sr_info("BeagleLogic device found at "BEAGLELOGIC_DEV_NODE);
 
 	/* Fill the channels */
-	for (i = 0; i < maxch; i++) {
-		ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE,
+	for (i = 0; i < maxch; i++)
+		sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE,
 				beaglelogic_channel_names[i]);
-		sdi->channels = g_slist_append(sdi->channels, ch);
-	}
 
 	sdi->priv = devc;
 	drvc->instances = g_slist_append(drvc->instances, sdi);
@@ -148,12 +145,12 @@ static GSList *scan(GSList *options)
 	return devices;
 }
 
-static GSList *dev_list(void)
+static GSList *dev_list(const struct sr_dev_driver *di)
 {
 	return ((struct drv_context *)(di->priv))->instances;
 }
 
-static int dev_clear(void)
+static int dev_clear(const struct sr_dev_driver *di)
 {
 	return std_dev_clear(di, NULL);
 }
@@ -202,7 +199,7 @@ static int dev_close(struct sr_dev_inst *sdi)
 	return SR_OK;
 }
 
-static int cleanup(void)
+static int cleanup(const struct sr_dev_driver *di)
 {
 	struct drv_context *drvc;
 	struct sr_dev_inst *sdi;
@@ -222,8 +219,6 @@ static int cleanup(void)
 	g_slist_free(drvc->instances);
 	drvc->instances = NULL;
 
-	di->priv = NULL;
-
 	return SR_OK;
 }
 
@@ -242,6 +237,10 @@ static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *s
 		*data = g_variant_new_uint64(devc->cur_samplerate);
 		break;
 
+	case SR_CONF_CAPTURE_RATIO:
+		*data = g_variant_new_uint64(devc->capture_ratio);
+		break;
+
 	case SR_CONF_NUM_LOGIC_CHANNELS:
 		*data = g_variant_new_uint32(g_slist_length(sdi->channels));
 		break;
@@ -286,6 +285,14 @@ static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sd
 		}
 		return beaglelogic_set_triggerflags(devc);
 
+	case SR_CONF_CAPTURE_RATIO:
+		devc->capture_ratio = g_variant_get_uint64(data);
+		if (devc->capture_ratio > 100) {
+			devc->capture_ratio = 0;
+			return SR_ERR;
+		}
+		return SR_OK;
+
 	default:
 		return SR_ERR_NA;
 	}
@@ -361,7 +368,12 @@ static int dev_acquisition_start(const struct sr_dev_inst *sdi,
 
 	/* Configure triggers & send header packet */
 	if ((trigger = sr_session_trigger_get(sdi->session))) {
-		devc->stl = soft_trigger_logic_new(sdi, trigger);
+		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 == NULL)
+			return SR_ERR_MALLOC;
 		devc->trigger_fired = FALSE;
 	} else
 		devc->trigger_fired = TRUE;