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optimize serial communication

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This commit is contained in:
Pavol Rusnak 2011-03-30 04:14:17 +02:00
parent e70b9fbca1
commit 333079d8a7
2 changed files with 22 additions and 25 deletions
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41
software/device.py
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@ -18,11 +18,11 @@ class Device:
self.sdata.close()
self.sctrl.close()
def cmd(self, *args):
def cmd(self, buf):
if not self.sctrl.isOpen():
return None
self.sctrl.write(' '.join(args) + '\n')
return self.sctrl.readline().strip().split(' ')
self.sctrl.write(buf+'\n')
return self.sctrl.readline().strip()
def send(self, buf):
if not self.sdata.isOpen():
@ -42,7 +42,7 @@ class Device:
E> PONG
"""
def ping(self):
return self.cmd('PING') == ['PONG']
return self.cmd('PING') == 'PONG'
"""
Read version
@ -52,8 +52,8 @@ class Device:
"""
def version(self):
r = self.cmd('VERSION')
if r and r[0] == 'VERSION' and r[1] == 'EDUBRM':
return r[2]
if r and r.startswith('VERSION EDUBRM '):
return r[15:]
return None
# TODO: ANALOG PINS
@ -76,8 +76,8 @@ class Device:
"""
def cfgio(self):
r = self.cmd('CFGIO')
if r and r[0] == 'CFGIO':
return r[1]
if r and r.startswith('CFGIO '):
return r[6:]
return None
"""
@ -87,8 +87,7 @@ class Device:
E> CFGIO OK
"""
def cfgio(self, state):
r = self.cmd('CFGIO', state)
return r == ['CFGIO', 'OK']
return self.cmd('CFGIO ' + state) == 'CFGIO OK'
"""
Read all inputs
@ -98,8 +97,8 @@ class Device:
"""
def getio(self):
r = self.cmd('GETIO')
if r and r[0] == 'GETIO':
return r[1]
if r and r.startswith('GETIO '):
return r[6:]
return None
"""
@ -109,8 +108,7 @@ class Device:
E> SETIO OK
"""
def setio(self, state):
r = self.cmd('SETIO', state)
return r == ['SETIO', 'OK']
return self.cmd('SETIO ' + state) == 'SETIO OK'
"""
Set all outputs to logical 0
@ -119,8 +117,7 @@ class Device:
E> CLRIO OK
"""
def clrio(self, state):
r = self.cmd('CLRIO', state)
return r == ['CLRIO', 'OK']
return self.cmd('CLRIO ' + state) == 'CLRIO OK'
"""
Set oposite state on specified pin for specified duration
@ -129,8 +126,7 @@ class Device:
E> PULSE OK
"""
def pulse(self, pin, duration):
r = self.cmd('PULSE', pin, duration)
return r == ['PULSE', 'OK']
return self.cmd('PULSE ' + str(pin) + ' ' + str(duration)) == 'PULSE OK'
"""
Set data transmission (from PC to mainboard)
@ -139,8 +135,7 @@ class Device:
E> DATAUP OK
"""
def dataup(self, state):
r = self.cmd('DATAUP', state)
return r == ['DATAUP', 'OK']
return self.cmd('DATAUP ' + state) == 'DATAUP OK'
"""
Set data transmission (from mainboard to PC)
@ -149,8 +144,7 @@ class Device:
E> DATADOWN OK
"""
def datadown(self, state):
r = self.cmd('DATADOWN', state)
return r == ['DATADOWN', 'OK']
return self.cmd('DATADOWN ' + state) == 'DATADOWN OK'
"""
Stop data transmission in both directions
@ -159,5 +153,4 @@ class Device:
E> DATASTOP OK
"""
def datastop(self):
r = self.cmd('DATASTOP')
return r == ['DATASTOP', 'OK']
return self.cmd('DATASTOP') == 'DATASTOP OK'