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Refactored Interruptable GPIO codes

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Created two new Interface and hid implementation details as much as possible.
This commit is contained in:
SjB 2014-04-09 00:01:05 -04:00
parent a54e7dc7ff
commit 919b01a3a2
3 changed files with 43 additions and 16 deletions
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8
host/generic/digitalpin.go
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@ -111,6 +111,10 @@ func (p *digitalPin) activeLowFile() (*os.File, error) {
return p.openFile(path.Join(p.basePath(), "active_low"))
}
func (p *digitalPin) Fd() int {
return int(p.val.Fd())
}
func (p *digitalPin) setEdge(edge embd.Edge) error {
file, err := p.openFile(path.Join(p.basePath(), "edge"))
if err != nil {
@ -127,11 +131,11 @@ func (p *digitalPin) Watch(edge embd.Edge, callback embd.IRQEvent) error {
return err
}
p.callback = callback
return p.drv.RegisterInterrupt(int(p.val.Fd()), p)
return p.drv.RegisterInterrupt(p)
}
func (p *digitalPin) StopWatching() error {
return p.drv.UnregisterInterrupt(int(p.val.Fd()))
return p.drv.UnregisterInterrupt(p)
}
func (p *digitalPin) Signal() {