def read(pin):
_onewire.reset(Pin(pin))
_onewire.writebyte(Pin(pin), 0xcc) #skip rom
_onewire.writebyte(Pin(pin), 0xbe) #read scratchpad
#read raw temperature
tlo = _onewire.readbyte(Pin(pin))
thi = _onewire.readbyte(Pin(pin))
_onewire.reset(Pin(pin))
#convert raw values to human eye readable
temp = tlo + thi * 256
if temp > 32767:
temp = temp - 65536
temp = temp * 0.0625
return (temp)
def write(self, buf):
for b in buf:
_ow.writebyte(self.pin, b)
def writebyte(self, value):
return _ow.writebyte(self.pin, value)
def convert(pin):
_onewire.reset(Pin(pin))
_onewire.writebyte(Pin(pin), 0xcc) #skip rom
_onewire.writebyte(Pin(pin), 0x44) #convert
def write(self, buf):
for b in buf:
_ow.writebyte(self.pin, b)
def writebyte(self, value):
return _ow.writebyte(self.pin, value)
