I was going to hold off on announcing my new WiringPi::API distribution until my larger project that depends on it is done, but since it's CPAN day, well...

The module wraps the majority of documented and undocumented functions in wiringPi.

wiringPi is a set of C libraries that allow you to muck with a Raspberry Pi, it's GPIO pins, drive LCDs and many other things.

You can import the C functions directly keeping their original names as is:

    use WiringPi::API qw(:wiringPi);
[download]

...import the renamed Perl functions:

    use WiringPi::API qw(:perl);
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...or use the module in the normal OO way:

    use WiringPi::API;
    my $wpi = WiringPi::API->new;
[download]

Here's but a few of the features:

• get Pi board revision
• do conversions for the three pin numbering schemes (wiringPi, BCM and physical)
• change pin modes and state
• enable/disable internal pin pull-up/down resistors
• utilize Pulse Width Modulation (PWM) on a per-pin basis
• set/unset pin interrupts for EDGE_FALLING, EDGE_RISING and EDGE_BOTH events. These interrupts are run in separate C threads, and call back to a user defined Perl sub as the handler
• initialize, manipulate and write data to external LCD screens (useful for sensor data, warnings etc)

My larger project, RPi::WiringPi, which is currently in feature-freeze to give me time to finish unit tests and documentation, will take that much further, and make it much easier to do things. It should hit v1.00 (stable) within the next week. At that time, I'll make another announcement... I do have an initial basic howto written so far that covers some of the basics. Note that this distribution may not be stable until v1.00 is released.

This was also posted here.