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i2c bus support

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This commit is contained in:
Paolo Asperti 2018-02-18 18:17:35 +01:00
parent efb659f5b2
commit efa877eba4
2 changed files with 10 additions and 2 deletions
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1
etc/openpdu/openpdu.conf
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@ -20,3 +20,4 @@
# type = i2c-out # type = i2c-out
# address = 20 # address = 20
# channels = 8 # channels = 8
# bus = 1

11
openpdu
View File

@ -87,7 +87,7 @@ def getpower(outlet, json=False):
class BoardI2COut(object): class BoardI2COut(object):
def __init__(self, boardnum, channels=None, address=None): def __init__(self, boardnum, channels=None, address=None, bus=None):
self.boardnum = boardnum self.boardnum = boardnum
if channels is None: if channels is None:
self.channels = 0 self.channels = 0
@ -97,6 +97,12 @@ class BoardI2COut(object):
self.address = 0x20 self.address = 0x20
else: else:
self.address = address self.address = address
if bus is None:
self.bus = 1
else:
self.bus = bus
if not glob.glob('/dev/i2c*'):
raise OSError('Cannot access I2C. Please ensure I2C is enabled')
def toJSON(self): def toJSON(self):
return {'boardnum':self.boardnum,'type':'i2c-out','channels':self.channels,'address':self.address} return {'boardnum':self.boardnum,'type':'i2c-out','channels':self.channels,'address':self.address}
@ -202,7 +208,8 @@ for s in configParser.sections():
elif bType=='i2c-out': elif bType=='i2c-out':
channels = int(configParser.get(s, 'channels')) channels = int(configParser.get(s, 'channels'))
address = configParser.get(s, 'address') address = configParser.get(s, 'address')
b = BoardI2COut(boardnum=num, channels=channels, address=address) bus = configParser.get(s, 'bus')
b = BoardI2COut(boardnum=num, channels=channels, address=address, bus=bus)
_boards.append(b) _boards.append(b)
if re.match('^outlet.*',s): if re.match('^outlet.*',s):
num = int(re.sub(r'^outlet','',s)) num = int(re.sub(r'^outlet','',s))