44 lines
1.1 KiB
Markdown
44 lines
1.1 KiB
Markdown
Linux Userspace GPIO Library
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============================
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* Export and Unexport GPIO pins
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* Interrupt support (*)
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* Hardware-neutral rewrite of NoccyLabs RaspIO
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* Compatible with psr/logs LoggerInterface for logging
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## Interrupts
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*NOTE: Not implemented!*
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For interrupts to work, you need to first bind the interrupt handler, and then
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make sure to call on `Gpio#refresh()` every cycle to poll the interrupt flag on
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the selected pins. This is because the `select()` function is used.
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$gpio = new Gpio();
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// Set the handler on the Gpio object
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$gpio->setInterruptHandler($gpio[4], function() { ... });
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// Or like this on the GpioPin.
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$gpio[4]
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->setEdge("rising")
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->setHandler(function() { ... });
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while (..) {
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..
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$gpio->refresh();
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}
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You can also be risky and use php ticks and timerfuncs (although that might not
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be portable/supported/efficient/a good idea):
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declare(ticks=5);
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$gpio = new Gpio();
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$gpiotick = new GpioTickHandler();
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$gpiotick->registerGpio($gpio);
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// The interrupts will now be polled approx every 5th php vm "tick"
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