System Manager's Manual
NAME i2cscan — scan an IIC bus for devices
utility scans the IIC bus (iic(4)
) specified by i2cdev
to determine which addresses respond.
scan using 1 byte reads instead of quick writes.
WARNING! Using this utility can access some devices in such a manner as to leave them in an unstable or unusable state. It can also lock up the entire iic(4) bus. Don't use this utility unless you know what you're doing and can accept all sorts of unforeseen consequences.
EXIT STATUS The i2cscan utility exits 0 on success, and >0 if an error occurs.