feature: some additional changes to drivers.Pin HAL for clarity and readability.

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

easystepper/easystepper.go

@@ -32,7 +32,7 @@ func (sm StepMode) stepCount() uint {
 
 // Device holds the pins and the delay between steps
 type Device struct {
-	pins       [4]drivers.PinOutput
+	pins       [4]drivers.PinOutputFunc
 	config     func()
 	stepDelay  time.Duration
 	stepNumber uint8

easystepper/easystepper_go.go

@@ -7,7 +7,7 @@ import (
 	"tinygo.org/x/drivers"
 )
 
-func NewCrossPlatform(stepcount, rpm uint, mode StepMode, pins [4]drivers.PinOutput) (*Device, error) {
+func NewCrossPlatform(stepcount, rpm uint, mode StepMode, pins [4]drivers.PinOutputFunc) (*Device, error) {
 	if stepcount == 0 || rpm == 0 {
 		return nil, errors.New("zero rpm and/or stepcount")
 	}

easystepper/easystepper_tinygo.go

@@ -17,7 +17,7 @@ func New(config DeviceConfig) (*Device, error) {
 		return nil, errors.New("config.StepCount and config.RPM must be > 0")
 	}
 	return &Device{
-		pins:      [4]drivers.PinOutput{config.Pin1.Set, config.Pin2.Set, config.Pin3.Set, config.Pin4.Set},
+		pins:      [4]drivers.PinOutputFunc{config.Pin1.Set, config.Pin2.Set, config.Pin3.Set, config.Pin4.Set},
 		stepDelay: time.Second * 60 / time.Duration((config.StepCount * config.RPM)),
 		stepMode:  config.Mode,
 		config: func() {