revision: modify proposed pin HAL.

Signed-off-by: deadprogram <ron@hybridgroup.com>

easystepper/easystepper_go.go

@@ -4,20 +4,23 @@ import (
 	"errors"
 	"time"
 
-	"tinygo.org/x/drivers"
+	"tinygo.org/x/drivers/internal/pin"
 )
 
-func NewCrossPlatform(stepcount, rpm uint, mode StepMode, pins [4]drivers.PinOutput) (*Device, error) {
+func NewCrossPlatform(stepcount, rpm uint, mode StepMode, pins [4]pin.Output) (*Device, error) {
 	if stepcount == 0 || rpm == 0 {
 		return nil, errors.New("zero rpm and/or stepcount")
 	}
+	var ps [4]pin.OutputFunc
+
 	for i := range pins {
 		if pins[i] == nil {
 			return nil, errors.New("nil pin")
 		}
+		ps[i] = pins[i].Set
 	}
 	d := &Device{
-		pins:      pins,
+		pins:      ps,
 		stepDelay: time.Second * 60 / time.Duration((stepcount * rpm)),
 		stepMode:  mode,
 		config:    func() {},