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Code Issues Releases Wiki Activity

matrix4x3: client should ensure rpio is initialised before using

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This commit is contained in:
Karan Misra 2014-02-08 02:21:18 +05:30
parent d2ffacd22c
commit cd54380887
2 changed files with 6 additions and 10 deletions
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12
interface/keypad/matrix4x3/matrix4x3.go
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@ -78,7 +78,7 @@ type Matrix4x3 interface {
PressedKey() (Key, error)
// Close.
Close() error
Close()
}
type matrix4x3 struct {
@ -127,10 +127,6 @@ func (d *matrix4x3) setup() (err error) {
d.mu.Lock()
defer d.mu.Unlock()
if err = rpio.Open(); err != nil {
return
}
for i := 0; i < rows; i++ {
d.rpioRowPins[i].Input()
d.rpioRowPins[i].PullUp()
@ -210,12 +206,8 @@ func (d *matrix4x3) Run() {
}
// Close.
func (d *matrix4x3) Close() (err error) {
func (d *matrix4x3) Close() {
if d.quit != nil {
d.quit <- true
}
rpio.Close()
return
}