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Issue 365 - i2c address not being recognized #908

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Issue 365 - i2c address not being recognized #908

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050da61
Issue 365 - i2c address not being recognized
yacobucci Nov 7, 2024
c698306
R1716 chained comparision complexity error
yacobucci Nov 8, 2024
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9 changes: 7 additions & 2 deletions src/adafruit_blinka/microcontroller/generic_linux/i2c.py
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Original file line number Diff line number Diff line change
Expand Up @@ -44,9 +44,14 @@ def scan(self):
"""Try to read a byte from each address, if you get an OSError
it means the device isnt there"""
found = []
for addr in range(0, 0x80):
# 0x00 - 0x07 and 0x78 - 0x7F reserved
# see https://www.i2c-bus.org/addressing
for addr in range(0x08, 0x78):
try:
self._i2c_bus.read_byte(addr)
if (0x30 <= addr <= 0x37) or (0x50 <= addr <= 0x5F):
self._i2c_bus.read_byte(addr)
else:
self._i2c_bus.write_quick(addr)
except OSError:
continue
found.append(addr)
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