This is a C library for Raspberry Pi (RPi). It provides access to GPIO and other
IO functions on the Broadcom BCM 2835 chip, allowing access to the GPIO pins on
the 26 pin IDE plug on the RPi board so you can control and interface with
various external devices.
It provides functions for reading digital inputs and setting digital outputs.
Pin event detection is supported by polling (interrupts not supported).
It is C++ compatible, and installs as a header file and non-shared library on
any Linux-based distribution (but clearly is no use except on Raspberry Pi or
another board with BCM 2835).
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