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A command-line utility for using GPIO devices on Digilent Zynq boards.

This gpio utility uses libgpio and libuio and expects that the gpio hardware (AXI GPIO) is set up as a generic uio device in the device tree.

Usage and device-info can be printed from the command line by typing gpioutil -h or gpioutil --help for usage and help. Similarly, gpioutil -d or gpioutil --device will print information to the console about the type of AXI GPIO devices that are present on the system and set up as uio devices.

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