From: poljar (Damir Jelić) <redacted>
Date: Fri, 15 Nov 2013 15:54:55 +0000 (+0100)
Subject: rigol-ds1xx2: Send a SR_DF_END packet before acquisition stop.
X-Git-Tag: libsigrok-0.3.0~555
X-Git-Url: https://sigrok.org/gitweb/?a=commitdiff_plain;h=1130e4229b2df4b9f308761928d44747cd568aee;hp=449cc16bb279e5d3322846ce6bd390e867e71ccb;p=libsigrok.git

rigol-ds1xx2: Send a SR_DF_END packet before acquisition stop.

Without a SR_DF_END samples could be cached in the internal buffer of an output
module and never flushed, therefore they would be missing in the final output.

By sending a SR_DF_END packet we force the output to be flushed.
---

diff --git a/hardware/rigol-ds1xx2/protocol.c b/hardware/rigol-ds1xx2/protocol.c
index 001d671b..0efff693 100644
--- a/hardware/rigol-ds1xx2/protocol.c
+++ b/hardware/rigol-ds1xx2/protocol.c
@@ -123,6 +123,8 @@ SR_PRIV int rigol_ds1xx2_receive(int fd, int revents, void *cb_data)
 				rigol_ds1xx2_send(sdi, ":WAV:DATA? DIG");
 			} else if (++devc->num_frames == devc->limit_frames) {
 				/* End of last frame. */
+				packet.type = SR_DF_END;
+				sr_session_send(sdi, &packet);
 				sdi->driver->dev_acquisition_stop(sdi, cb_data);
 			} else {
 				/* Get the next frame, starting with the first analog channel. */