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Check for smbus loading issues #9

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Check for smbus loading issues #9

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9 changes: 8 additions & 1 deletion argonone/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,7 +75,14 @@ class ArgonOneBoard:
def __init__(self, initial_speed: Optional[int] = 0, bus_mutex: Optional[Lock] = None):
self._bus_mutex = bus_mutex if bus_mutex is not None else nullcontext()
# Set up I2C and initialize fan speed
self._bus = smbus.SMBus(_SMBUS_DEV)
try:
self._bus = smbus.SMBus(_SMBUS_DEV)
except FileNotFoundError:
log.warn("i2c device not found. Ensure the necessary i2c kernel modules are loaded")
raise
except PermissionError:
log.warn("i2c device not accessible. Ensure user is a member of the i2c group")
raise
if initial_speed is not None:
self.fan_speed = initial_speed # sets self._fan_speed, and also issues I2C command
else:
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