class GrovePort():
def __init__(self, port=None, type=GRXCom.TYPE.ANALOG_INPUT, mode=0):
if port == None:
raise TypeError("You must specify a port as an argument." \
" Please do so in the form B?$# where ? is A or B" \
" for the bank letter (which half of the PiStorms)," \
" $ is A or D for the port type (analog or digital)," \
" and # is the port number." \
" For example: BAA2 is Bank A, Analog port 2.")
bank = port[:2]
if bank == "BA":
i2c = GRXCom.I2C.A
elif bank == "BB":
i2c = GRXCom.I2C.B
else:
raise ValueError("Invalid bank (must be A or B).")
if port[2] == "A":
addresses = GRXCom.ANALOG
typeSupport = GRXCom.TYPE_SUPPORT.ANALOG
elif port[2] == "D":
addresses = GRXCom.DIGITAL
typeSupport = GRXCom.TYPE_SUPPORT.DIGITAL
else:
raise ValueError(
"Invalid port type (must be A for analog or D for digital).")
if type not in typeSupport:
raise TypeError("This port does not support that type.")
number = int(port[3]) - 1
# not catching an IndexError here because -1 should not be valid
if number not in range(len(addresses)):
raise ValueError(
"Invalid port number (must be 1, 2, or 3 for analog; or 1 or 2 for digital)."
)
if mode not in range(256):
raise ValueError(
"Sensor port mode must be an integer between 0 and 255.")
if port == "BBD2" and type == GRXCom.TYPE.ENCODER:
raise ValueError(
"BBD2 does not support encoders at this time. Please use BBD1, BAD1 or BAD2."
)
address = addresses[number]
self.comm = GRXCom(i2c, address)
self.comm.setType(type, mode)
if type == GRXCom.TYPE.DIGITAL_INPUT:
self.readValue = self.comm.digitalRead
elif type == GRXCom.TYPE.ANALOG_INPUT:
self.readValue = self.comm.analogRead
elif type == GRXCom.TYPE.DIGITAL_OUTPUT:
self.writeValue = self.comm.digitalWrite
elif type == GRXCom.TYPE.ENCODER:
self.readValue = self.comm.readEncoderValue
class GrovePort():
def __init__(self, port=None, type=GRXCom.TYPE.ANALOG_INPUT, mode=0):
if port == None:
raise TypeError("You must specify a port as an argument." \
" Please do so in the form B?$# where ? is A or B" \
" for the bank letter (which half of the PiStorms)," \
" $ is A or D for the port type (analog or digital)," \
" and # is the port number." \
" For example: BAA2 is Bank A, Analog port 2.")
bank = port[:2]
if bank == "BA":
i2c = GRXCom.I2C.A
elif bank == "BB":
i2c = GRXCom.I2C.B
else:
raise ValueError("Invalid bank (must be A or B).")
if port[2]=="A":
addresses = GRXCom.ANALOG
typeSupport = GRXCom.TYPE_SUPPORT.ANALOG
elif port[2]=="D":
addresses = GRXCom.DIGITAL
typeSupport = GRXCom.TYPE_SUPPORT.DIGITAL
else:
raise ValueError("Invalid port type (must be A for analog or D for digital).")
if type not in typeSupport:
raise TypeError("This port does not support that type.")
number = int(port[3]) - 1
# not catching an IndexError here because -1 should not be valid
if number not in range(len(addresses)):
raise ValueError("Invalid port number (must be 1, 2, or 3 for analog; or 1 or 2 for digital).")
if mode not in range(256):
raise ValueError("Sensor port mode must be an integer between 0 and 255.")
if port == "BBD2" and type == GRXCom.TYPE.ENCODER:
raise ValueError("BBD2 does not support encoders at this time. Please use BBD1, BAD1 or BAD2.")
address = addresses[number]
self.comm = GRXCom(i2c, address)
self.comm.setType(type, mode)
if type == GRXCom.TYPE.DIGITAL_INPUT:
self.readValue = self.comm.digitalRead
elif type == GRXCom.TYPE.ANALOG_INPUT:
self.readValue = self.comm.analogRead
elif type == GRXCom.TYPE.DIGITAL_OUTPUT:
self.writeValue = self.comm.digitalWrite
elif type == GRXCom.TYPE.ENCODER:
self.readValue = self.comm.readEncoderValue
def ping(self):
GRXCom.ping()
def isF4Pressed(self):
return (GRXCom.getKeyPressValue() == 40)
def isF3Pressed(self):
return (GRXCom.getKeyPressValue() == 24)
def isF2Pressed(self):
return (GRXCom.getKeyPressValue() == 16)
def getKeyPressValue(self): # F1-4
return {0:0, 8:1, 16:2, 24:3, 40:4}[GRXCom.getKeyPressValue()]