[chirp_devel] [PATCH] patch for bug#4687, discard echoback immediately to avoid

[SASANO Takayoshi]

# HG changeset patch
# User SASANO Takayoshi <uaa at mx5.nisiq.net>
# Date 1490784386 -32400
#      Wed Mar 29 19:46:26 2017 +0900
# Node ID 6183c0a2bfb7c6b5d5a80682ac63f55d3794a974
# Parent  a5e45271bdec203c2b29cbc1f72f2a8bea0202e4
patch for bug#4687, discard echoback immediately to avoid
OS's serial RX buffer overflow.

diff -r a5e45271bdec -r 6183c0a2bfb7 chirp/drivers/icf.py
--- a/chirp/drivers/icf.py	Sun Mar 26 14:51:53 2017 -0700
+++ b/chirp/drivers/icf.py	Wed Mar 29 19:46:26 2017 +0900
@@ -198,6 +198,8 @@
         pass
 
     pipe.write(frame)
+    pipe.flush()
+    pipe.read(len(frame))	# discard echoback
 
     return frame
 
@@ -261,6 +263,7 @@
     LOG.debug("Starting HiSpeed Clone:\n%s" % util.hexprint(buf))
     radio.pipe.write(buf)
     radio.pipe.flush()
+    radio.pipe.read(len(buf))	# discard echoback
 
 
 def _clone_from_radio(radio):