def readpkt(self, timeout=0):
""" blocks until it reads an RSP packet, and returns it's
data"""
c = None
discards = []
if timeout > 0:
start = time.time()
while (c != '$'):
if c: discards.append(c)
c = self.port.read()
if timeout > 0 and start + timeout < time.time():
return
if len(discards) > 0 and self.verbose: print 'discards', discards
res = [c]
while True:
res.append(self.port.read())
if res[-1] == '#' and res[-2] != "'":
res.append(self.port.read())
res.append(self.port.read())
try:
res = unpack(''.join(res))
except:
self.port.write('-')
res = []
continue
self.port.write('+')
#print "read", res
return res
def readpkt(self, timeout=0):
""" blocks until it reads an RSP packet, and returns it's
data"""
c = b""
discards = []
if timeout > 0:
start = time.time()
while (c != b'$'):
if c: discards.append(s(c))
c = self.port.read()
if timeout > 0 and start + timeout < time.time():
return
if len(discards) > 0 and self.verbose: print('discards %s' % discards)
res = c
while True:
res += self.port.read()
if res[-1:] == b'#':
res += self.port.read() + self.port.read()
if self.ack:
try:
res = unpack(res)
except:
self.port.write(b'-')
res = b''
continue
self.port.write(b'+')
else:
# Do not even check packages in NoAck mode.
# If a user relies on the connection robustness then we
# should provide as fast operation as we can.
res = res[1:-3]
#print("read %s" % res)
return res
def readpkt(self, timeout=0):
""" blocks until it reads an RSP packet, and returns it's
data"""
c=None
discards=[]
if timeout>0:
start = time.time()
while(c!='$'):
if c: discards.append(c)
c=self.port.read()
if timeout>0 and start+timeout < time.time():
return
if len(discards)>0: print 'discards', discards
res=[c]
while True:
res.append(self.port.read())
if res[-1]=='#' and res[-2]!="'":
res.append(self.port.read())
res.append(self.port.read())
try:
res=unpack(''.join(res))
except:
self.port.write('-')
res=[]
continue
self.port.write('+')
#print "read", res
return res
def readpkt(self, timeout=0):
""" blocks until it reads an RSP packet, and returns it's
data"""
c=b""
discards=[]
if timeout>0:
start = time.time()
while(c!=b'$'):
if c: discards.append(s(c))
c=self.port.read()
if timeout>0 and start+timeout < time.time():
return
if len(discards)>0 and self.verbose: print('discards %s' % discards)
res=c
while True:
res += self.port.read()
if res[-1:]==b'#':
res += self.port.read() + self.port.read()
if self.ack:
try:
res = unpack(res)
except:
self.port.write(b'-')
res = b''
continue
self.port.write(b'+')
else:
# Do not even check packages in NoAck mode.
# If a user relies on the connection robustness then we
# should provide as fast operation as we can.
res = res[1:-3]
#print("read %s" % res)
return res