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I2CSCAN(8) System Manager's Manual I2CSCAN(8) NAME i2cscan - scan an IIC bus for devices SYNOPSIS i2cscan [-r] i2cdev DESCRIPTION The i2cscan utility scans the Inter-Integrated Circuit bus (iic(4)) specified by i2cdev to determine which addresses respond. i2cdev can be specified with or without the /dev prefix. For example, /dev/iic0 or iic0. Available options: -r 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. EXAMPLES Scan the first IIC bus found on the system for devices: i2cscan /dev/iic0 SEE ALSO iic(4) NetBSD 8.0 November 26, 2015 NetBSD 8.0