From 861659e890af8dab49ce725669b98ad343befcb1 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Tue, 1 Aug 2017 00:12:05 +0300
Subject: [PATCH] Wait for 400ms after touching serial port (fix SAM-BA issue)

---
 platformio/builder/tools/pioupload.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platformio/builder/tools/pioupload.py b/platformio/builder/tools/pioupload.py
index e3641d81..a45409e6 100644
--- a/platformio/builder/tools/pioupload.py
+++ b/platformio/builder/tools/pioupload.py
@@ -48,6 +48,7 @@ def TouchSerialPort(env, port, baudrate):
         s.close()
     except:  # pylint: disable=W0702
         pass
+    sleep(0.4)
 
 
 def WaitForNewSerialPort(env, before):