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| author | Damien George <damien.p.george@gmail.com> | 2017-06-26 17:48:05 +1000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-06-26 17:48:05 +1000 |
| commit | 683df1c8d5ab37dbb0d2909bcd94c7e4eea3232f (patch) | |
| tree | a2330a756981095d9263c620857e90b1253ea2ef | |
| parent | 118173013f41a4f661bdb9baa88fb147e346ce75 (diff) | |
| download | micropython-683df1c8d5ab37dbb0d2909bcd94c7e4eea3232f.tar.gz micropython-683df1c8d5ab37dbb0d2909bcd94c7e4eea3232f.zip | |
drivers/onewire: Enable pull-up when init'ing the 1-wire pin.
A previous version of the 1-wire driver (which was recently replaced by the
current one) had this behaviour and it allows to create a 1-wire bus
without any external pull-up resistors.
| -rw-r--r-- | drivers/onewire/onewire.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/onewire/onewire.py b/drivers/onewire/onewire.py index 546a69b304..3309ba0d27 100644 --- a/drivers/onewire/onewire.py +++ b/drivers/onewire/onewire.py @@ -14,7 +14,7 @@ class OneWire: def __init__(self, pin): self.pin = pin - self.pin.init(pin.OPEN_DRAIN) + self.pin.init(pin.OPEN_DRAIN, pin.PULL_UP) def reset(self, required=False): reset = _ow.reset(self.pin) |