system(gpio): add edge polling function - Githubissues

hybridgroup / gobot

Golang framework for robotics, drones, and the Internet of Things (IoT)

https://gobot.io

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system(gpio): add edge polling function #1015

Closed gen2thomas closed 11 months ago

gen2thomas commented 11 months ago

Solved issues and/or description of the change

this prepares the usage of upcoming HC-SR04 driver, see #1012, independently of cdev event-handler

additionally:

fix that all sysfs options are applied, not only the first one
fix in sysfs that Unexport() will be called always after an export was successfully
fix in sysf that the originated error will be returned if Unexport() was called successfully
tests for sysfs improved

Manual test

OS and Version (Win/Mac/Linux): Linux
Adaptor(s) and/or driver(s):
- [x] raspberry
- [x] tinkerboard

Checklist

[x] The PR's target branch is 'hybridgroup:dev'
[x] I have added tests that prove my fix is effective or that my feature works
[x] New and existing unit tests pass locally with my changes (e.g. by run make test)
[x] No linter errors exist locally (e.g. by run make fmt_check)
[x] I have performed a self-review of my own code
[x] The gpio README is extended