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

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

apa102/apa102.go

@@ -8,7 +8,6 @@ import (
 
 	"tinygo.org/x/drivers"
 	"tinygo.org/x/drivers/internal/legacy"
-	"tinygo.org/x/drivers/internal/pin"
 )
 
 const (
@@ -38,7 +37,7 @@ func New(b drivers.SPI) *Device {
 
 // NewSoftwareSPI returns a new APA102 driver that will use a software based
 // implementation of the SPI protocol.
-func NewSoftwareSPI(sckPin, sdoPin pin.Output, delay uint32) *Device {
+func NewSoftwareSPI(sckPin, sdoPin drivers.PinOutput, delay uint32) *Device {
 	return New(&bbSPI{SCK: sckPin.Set, SDO: sdoPin.Set, Delay: delay, configurePins: func() {
 		legacy.ConfigurePinOut(sckPin)
 		legacy.ConfigurePinOut(sdoPin)

apa102/softspi.go

@@ -11,8 +11,8 @@ import (
 // most purposes other than the APA102 package. It might be desirable to make
 // this more generic and include it in the TinyGo "machine" package instead.
 type bbSPI struct {
-	SCK           drivers.PinOutput
-	SDO           drivers.PinOutput
+	SCK           drivers.PinOutputFunc
+	SDO           drivers.PinOutputFunc
 	Delay         uint32
 	configurePins func()
 }