@@ -188,8 +188,7 @@ class Trackball(Module):
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self.current_handler = self.handlers[0]
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self.current_handler = self.handlers[0]
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self.polling_interval = 20
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self.polling_interval = 20
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chip_id = struct.unpack('<H', bytearray(
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chip_id = struct.unpack('<H', bytearray(self._i2c_rdwr([REG_CHIP_ID_L], 2)))[0]
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self._i2c_rdwr([REG_CHIP_ID_L], 2)))[0]
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if chip_id != CHIP_ID:
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if chip_id != CHIP_ID:
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raise RuntimeError(
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raise RuntimeError(
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f'Invalid chip ID: 0x{chip_id:04X}, expected 0x{CHIP_ID:04X}'
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f'Invalid chip ID: 0x{chip_id:04X}, expected 0x{CHIP_ID:04X}'
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