support for frame begin/end packets

session.c

@@ -428,6 +428,12 @@ static void datafeed_dump(struct sr_datafeed_packet *packet)
 	case SR_DF_END:
 		sr_dbg("bus: received SR_DF_END");
 		break;
+	case SR_DF_FRAME_BEGIN:
+		sr_dbg("bus: received SR_DF_FRAME_BEGIN");
+		break;
+	case SR_DF_FRAME_END:
+		sr_dbg("bus: received SR_DF_FRAME_END");
+		break;
 	default:
 		sr_dbg("bus: received unknown packet type %d", packet->type);
 		break;

sigrok.h.in

@@ -153,6 +153,8 @@ enum {
 	SR_DF_META_LOGIC,
 	SR_DF_ANALOG,
 	SR_DF_META_ANALOG,
+	SR_DF_FRAME_BEGIN,
+	SR_DF_FRAME_END,
 };
 
 struct sr_datafeed_packet {
@@ -321,6 +323,12 @@ enum {
 	 */
 	SR_HWCAP_LIMIT_SAMPLES,
 
+	/**
+	 * The device supports setting a frame limit, i.e. how many
+	 * frames should be acquired.
+	 */
+	SR_HWCAP_LIMIT_FRAMES,
+
 	/**
 	 * The device supports continuous sampling, i.e. neither a time limit
 	 * nor a sample number limit has to be supplied, it will just acquire