From a18fdd2e26ba05aae241fb6be26f0da22bfb903b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beat=20K=C3=BCng?= <beat-kueng@gmx.net>
Date: Mon, 3 Apr 2017 16:07:00 +0200
Subject: [PATCH] px4fmu-v3 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-v3/nsh/defconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nuttx-configs/px4fmu-v3/nsh/defconfig b/nuttx-configs/px4fmu-v3/nsh/defconfig
index 16d2734d9e..c154ab0e65 100644
--- a/nuttx-configs/px4fmu-v3/nsh/defconfig
+++ b/nuttx-configs/px4fmu-v3/nsh/defconfig
@@ -1077,7 +1077,7 @@ CONFIG_CDCACM_NRDREQS=4
 CONFIG_CDCACM_NWRREQS=4
 CONFIG_CDCACM_BULKIN_REQLEN=96
 CONFIG_CDCACM_RXBUFSIZE=600
-CONFIG_CDCACM_TXBUFSIZE=8000
+CONFIG_CDCACM_TXBUFSIZE=2000
 CONFIG_CDCACM_VENDORID=0x26ac
 CONFIG_CDCACM_PRODUCTID=0x0011
 CONFIG_CDCACM_VENDORSTR="3D Robotics"