def getGpio(self, card, channel):
for gpio in card['gpios']:
if(gpio['name'] == channel):
return gpio
raise GPIO.InvalidChannelException("Gpio %s does not exists on card %s" % (channel, card['name']))
def checkDigitalChannelExported(self, channel):
if not channel in self.export:
raise GPIO.InvalidChannelException("Channel %d is not allowed" %
channel)
def findCard(self, cardname):
for card in self.cards:
if card['name'] == cardname:
return card
#TODO Create a new exception for this case
raise GPIO.InvalidChannelException("Card %s does not exists" % cardname)
