mirror of
https://github.com/kidoman/embd
synced 2024-12-22 21:00:05 +01:00
gpio: simplify and test the logic
This commit is contained in:
parent
dfb7e63768
commit
f667c93b7a
@ -32,23 +32,12 @@ func (io *gpioDriver) digitalPin(key interface{}) (*digitalPin, error) {
|
|||||||
return nil, fmt.Errorf("gpio: could not find pin matching %q", key)
|
return nil, fmt.Errorf("gpio: could not find pin matching %q", key)
|
||||||
}
|
}
|
||||||
|
|
||||||
id := pd.ID
|
|
||||||
|
|
||||||
p, ok := io.initializedPins[id]
|
|
||||||
if ok {
|
|
||||||
dp, ok := p.(*digitalPin)
|
|
||||||
if !ok {
|
|
||||||
return nil, fmt.Errorf("gpio: sorry, pin %q is already initialized for a different mode", key)
|
|
||||||
}
|
|
||||||
return dp, nil
|
|
||||||
}
|
|
||||||
|
|
||||||
if pd.Caps != CapNormal {
|
if pd.Caps != CapNormal {
|
||||||
glog.Infof("gpio: pin %q is not a dedicated digital io pin. please refer to the system reference manual for more details", key)
|
glog.Infof("gpio: pin %q is not a dedicated digital io pin. please refer to the system reference manual for more details", key)
|
||||||
}
|
}
|
||||||
|
|
||||||
dp := newDigitalPin(pd.DigitalLogical)
|
dp := newDigitalPin(pd.DigitalLogical)
|
||||||
io.initializedPins[id] = dp
|
io.initializedPins[pd.ID] = dp
|
||||||
|
|
||||||
return dp, nil
|
return dp, nil
|
||||||
}
|
}
|
||||||
|
26
gpiodriver_test.go
Normal file
26
gpiodriver_test.go
Normal file
@ -0,0 +1,26 @@
|
|||||||
|
package embd
|
||||||
|
|
||||||
|
import "testing"
|
||||||
|
|
||||||
|
func TestGpioDriverDigitalPin(t *testing.T) {
|
||||||
|
var tests = []struct {
|
||||||
|
key interface{}
|
||||||
|
n int
|
||||||
|
}{
|
||||||
|
{1, 1},
|
||||||
|
}
|
||||||
|
var pinMap = PinMap{
|
||||||
|
&PinDesc{ID: "P1_1", Aliases: []string{"1"}, Caps: CapNormal, DigitalLogical: 1},
|
||||||
|
}
|
||||||
|
driver := newGPIODriver(pinMap)
|
||||||
|
for _, test := range tests {
|
||||||
|
pin, err := driver.digitalPin(test.key)
|
||||||
|
if err != nil {
|
||||||
|
t.Errorf("Looking up %v: unexpected error: %v", test.key, err)
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
if pin.n != test.n {
|
||||||
|
t.Errorf("Looking up %v: got %v, want %v", test.key, pin.n, test.n)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
Loading…
x
Reference in New Issue
Block a user