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| author | Kevin O'Connor <kevin@koconnor.net> | 2019-04-07 20:43:23 -0400 |
|---|---|---|
| committer | Kevin O'Connor <kevin@koconnor.net> | 2019-04-07 20:43:23 -0400 |
| commit | d7e1061c63820323dcb68960baf37875ec216fc2 (patch) | |
| tree | 775b5a546a1e73f7e4d08af0139d148682a29e56 /klippy/extras/bus.py | |
| parent | 38f3d65ac5dabbad69469e0b3a25d2a9d4bee54c (diff) | |
| download | kutter-d7e1061c63820323dcb68960baf37875ec216fc2.tar.gz kutter-d7e1061c63820323dcb68960baf37875ec216fc2.tar.xz kutter-d7e1061c63820323dcb68960baf37875ec216fc2.zip | |
bus: Don't reserve any pins if BUS_PINS_x is not defined
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'klippy/extras/bus.py')
| -rw-r--r-- | klippy/extras/bus.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/klippy/extras/bus.py b/klippy/extras/bus.py index b8deb22b..8bd4bc9f 100644 --- a/klippy/extras/bus.py +++ b/klippy/extras/bus.py @@ -25,9 +25,10 @@ def resolve_bus_name(mcu, param, bus): raise ppins.error("Unknown %s '%s'" % (param, bus)) # Check for reserved bus pins constants = mcu.get_constants() - reserve_pins = constants.get('BUS_PINS_%s' % (bus,), '') - for pin in reserve_pins.split(','): - ppins.reserve_pin(mcu_name, pin, bus) + reserve_pins = constants.get('BUS_PINS_%s' % (bus,), None) + if reserve_pins is not None: + for pin in reserve_pins.split(','): + ppins.reserve_pin(mcu_name, pin, bus) return bus |