From 6b893a5865f7d8d2182ffda14230ba6ffd583ead Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Mon, 25 Aug 2014 22:19:21 +1000
Subject: [PATCH] GCS_MAVLink: slow down parameter send a lot with no flow
control
---
libraries/GCS_MAVLink/GCS_Common.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libraries/GCS_MAVLink/GCS_Common.cpp b/libraries/GCS_MAVLink/GCS_Common.cpp
index 45464586b..133b7f767 100644
--- a/libraries/GCS_MAVLink/GCS_Common.cpp
+++ b/libraries/GCS_MAVLink/GCS_Common.cpp
@@ -129,6 +129,12 @@ GCS_MAVLINK::queued_param_send()
}
count = bytes_allowed / (MAVLINK_MSG_ID_PARAM_VALUE_LEN + MAVLINK_NUM_NON_PAYLOAD_BYTES);
+ // when we don't have flow control we really need to keep the
+ // param download very slow, or it tends to stall
+ if (!have_flow_control() && count > 5) {
+ count = 5;
+ }
+
while (_queued_parameter != NULL && count--) {
AP_Param *vp;
float value;
--
GitLab