01/23/2019
Month 3, Week 2
Author: Devin Wright
This last week was spent implementing GController on Linux. I ended up running into a few roadblocks while adapting the code from my Linux demos. First, the js files that were planned to be used to read input from the controllers change formats between the different Linux distributions. This wasn't too much of a problem as I had already looked into using evdev to read from event files instead. The reason I planned to go with the js files was that I originally thought that the PS4 controller did not create a usable event file, however, with further testing, I proved that I was wrong. The other major roadblock I ran into was that evdev didn't have an obvious way to check if an event file belonged to a controller. I ended up looking through the libevdev wrapper library for an example of how to do this. It turns out one of the ioctl request (EVOCGBIT) in the linux/input.h is caple of returning an array of long bits that holds what type of events the device is capable of.
With the Linux implementation being almost completely finished, these next two weeks will be spent on the Mac implementation. Mac will definitely be the hardest to implement as I still do not have a working demo to start from. Currently, I am looking through the apple demos to see why their work and my do not.
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