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5 Commits

Author SHA1 Message Date
Brian Stengaard
642ab409c1 Use Seek to speed up read/write in sysfs 
This maintains `direction` and `value` `File`s for each DigitalPin
implementation. Instead of Open/Read/Close we now only do Seek/Read,
this speeds up Read/Write operations a bit.

A silly benchmark on the mock FS gives:

benchmark                  old ns/op     new ns/op     delta
BenchmarkDigitalRead-8     647           7.36          -98.86%

benchmark                  old allocs     new allocs     delta
BenchmarkDigitalRead-8     5              0              -100.00%

benchmark                  old bytes     new bytes     delta
BenchmarkDigitalRead-8     96            0             -100.00%
 2016-02-18 21:18:45 +01:00
Adrian Zankich
22b84cc6ef go lint and documentation tweaks for the sysfs package 2014-12-31 06:12:25 -08:00
Adrian Zankich
67cdddb7ec Correctly pass os.PathError from fs mock Openfile function) 2014-12-23 12:59:59 -08:00
Adrian Zankich
cb2d101b6d Improve error message 2014-11-07 18:38:52 -08:00
Adrian Zankich
a0bcef77fe Refactor sysfs to use internal fs 2014-11-07 16:21:39 -08:00