From 89ced57a40e839ea23e8ea098f600bdf7d2effb1 Mon Sep 17 00:00:00 2001
From: Michael DM Dryden <mdryden@chem.utoronto.ca>
Date: Wed, 20 Jul 2016 19:00:05 -0400
Subject: [PATCH] Improve connection reliability.
---
dstat_interface/dstat_comm.py | 20 ++++++++++++++------
1 file changed, 14 insertions(+), 6 deletions(-)
diff --git a/dstat_interface/dstat_comm.py b/dstat_interface/dstat_comm.py
index 4b7d3bc..a4e98ff 100755
--- a/dstat_interface/dstat_comm.py
+++ b/dstat_interface/dstat_comm.py
@@ -103,6 +103,13 @@ class VersionCheck:
ser_port -- address of serial port to use
"""
try:
+ ser.flushInput()
+ ser.write('!')
+
+ while not ser.read()=="C":
+ ser.flushInput()
+ ser.write('!')
+
ser.write('V')
for line in ser:
if line.startswith('V'):
@@ -184,7 +191,7 @@ class Settings:
self.ser.write('!')
while not self.ser.read()=="C":
- time.sleep(.5)
+ self.ser.flushInput()
self.ser.write('!')
self.ser.write('SR')
@@ -210,7 +217,7 @@ class Settings:
self.ser.write('!')
while not self.ser.read()=="C":
- time.sleep(.5)
+ self.ser.flushInput()
self.ser.write('!')
write_buffer = range(len(self.settings))
@@ -269,9 +276,8 @@ class LightSensor:
ser.write('!')
while not ser.read()=="C":
- time.sleep(.5)
+ self.ser.flushInput()
ser.write('!')
-
ser.write('T')
for line in ser:
@@ -396,10 +402,12 @@ class Experiment(object):
for i in self.commands:
logger.info("Command: %s", i)
+ self.serial.flushInput()
self.serial.write('!')
- while not self.serial.read().startswith("C"):
- pass
+ while not self.serial.read()=="C":
+ self.serial.flushInput()
+ self.serial.write('!')
self.serial.write(i)
if not self.serial_handler():
--
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