From b76e7347b526cd2b2421c12aaa50b4b0fd75d292 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beat=20K=C3=BCng?= <beat-kueng@gmx.net>
Date: Mon, 3 Apr 2017 16:07:25 +0200
Subject: [PATCH] px4fmu-v4pro nuttx config: reduce CONFIG_CDCACM_TXBUFSIZE to
 2000

Log file download via Mavlink is the one that needs the most bandwidth.
It needs typically around 200B TX buffer, and spikes at around 1500B every
10sec, with an average download speed of 230KB/s.
---
 nuttx-configs/px4fmu-v4pro/nsh/defconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nuttx-configs/px4fmu-v4pro/nsh/defconfig b/nuttx-configs/px4fmu-v4pro/nsh/defconfig
index 76b1b401be..bbad739cae 100644
--- a/nuttx-configs/px4fmu-v4pro/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v4pro/nsh/defconfig
@@ -1086,7 +1086,7 @@ CONFIG_CDCACM_NRDREQS=4
 CONFIG_CDCACM_NWRREQS=4
 CONFIG_CDCACM_BULKIN_REQLEN=96
 CONFIG_CDCACM_RXBUFSIZE=600
-CONFIG_CDCACM_TXBUFSIZE=4000
+CONFIG_CDCACM_TXBUFSIZE=2000
 CONFIG_CDCACM_VENDORID=0x26ac
 CONFIG_CDCACM_PRODUCTID=0x0013
 CONFIG_CDCACM_VENDORSTR="3D Robotics"