From: Bernhard Urban <lewurm@gmx.net>
Date: Mon, 14 Dec 2009 08:47:29 +0000 (+0100)
Subject: Merge branch 'master' of wien.tomnetworks.com:pyfrprog
X-Git-Tag: v0.1~25
X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=pyfrprog.git;a=commitdiff_plain;h=27d7ace7819c76c6c8326003a3e4e38697df156e

Merge branch 'master' of wien.tomnetworks.com:pyfrprog
---

27d7ace7819c76c6c8326003a3e4e38697df156e
diff --cc pkernel/kernel.py
index 576c680,e495a86..afadfcd
--- a/pkernel/kernel.py
+++ b/pkernel/kernel.py
@@@ -9,27 -9,8 +9,24 @@@ KERNEL_BAUDRATE=3840
  
  def recvByte():
  	i = tty.read()
- 	while len(i)==0:
- 		time.sleep(0.03)
- 		i = tty.read()
  	return ord(i)
  
 +def recvByteTO(b): #with timeout
 +	j = 0
 +	i = tty.read()
 +	while len(i)==0 and j < 400:
 +		time.sleep(0.03)
 +		i = tty.read()
 +		j = j + 1
 +	if j == 400:
 +		print "ack it!"
 +		sendByte(0x23)
 +		if(recvByte() != 0xaa):
 +			raise Exception #ok, something really failed
 +	else:
 +		if(ord(i) != b):
 +			raise Exception
 +
  def sendByte(byte):
  	time.sleep(0.005) # just to get sure, wait 5ms
  	tty.write(chr(byte))