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Don't use analog slot before it's ready

This commit is contained in:
Adrian Zankich 2014-11-10 12:48:08 -08:00
parent b856655be6
commit 7eae6ebe23
2 changed files with 6 additions and 3 deletions
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6
platforms/beaglebone/beaglebone_adaptor.go
View File

@ -135,8 +135,6 @@ func NewBeagleboneAdaptor(name string) *BeagleboneAdaptor {
g, _ := glob(ocp)
b.ocp = g[0]
g, _ = glob(fmt.Sprintf("%v/helper.*", b.ocp))
b.helper = g[0]
g, _ = glob(slots)
b.slots = fmt.Sprintf("%v/slots", g[0])
@ -148,6 +146,10 @@ func NewBeagleboneAdaptor(name string) *BeagleboneAdaptor {
func (b *BeagleboneAdaptor) Connect() bool {
ensureSlot(b.slots, "cape-bone-iio")
ensureSlot(b.slots, "am33xx_pwm")
g, _ := glob(fmt.Sprintf("%v/helper.*", b.ocp))
b.helper = g[0]
return true
}

3
platforms/beaglebone/beaglebone_adaptor_test.go
View File

@ -35,10 +35,11 @@ func TestBeagleboneAdaptor(t *testing.T) {
a := NewBeagleboneAdaptor("myAdaptor")
a.slots = "/sys/devices/bone_capemgr.4"
a.ocp = "/sys/devices/ocp.3"
a.helper = "/sys/devices/ocp.3/helper.5"
a.Connect()
a.helper = "/sys/devices/ocp.3/helper.5"
// PWM
glob = func(pattern string) (matches []string, err error) {
pattern = strings.TrimSuffix(pattern, "*")