usb: rename callback to handler to keep consistent

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

src/machine/usb/hid/hid.go

@@ -20,35 +20,35 @@ const (
 )
 
 type hidDevicer interface {
-	Callback() bool
+	Handler() bool
 }
 
 var devices [5]hidDevicer
 var size int
 
-// SetCallbackHandler sets the callback. Only the first time it is called, it
+// SetHandler sets the handler. Only the first time it is called, it
 // calls machine.EnableHID for USB configuration
-func SetCallbackHandler(d hidDevicer) {
+func SetHandler(d hidDevicer) {
 	if size == 0 {
-		machine.EnableHID(callback, nil, callbackSetup)
+		machine.EnableHID(handler, nil, setupHandler)
 	}
 
 	devices[size] = d
 	size++
 }
 
-func callback() {
+func handler() {
 	for _, d := range devices {
 		if d == nil {
 			continue
 		}
-		if done := d.Callback(); done {
+		if done := d.Handler(); done {
 			return
 		}
 	}
 }
 
-func callbackSetup(setup machine.USBSetup) bool {
+func setupHandler(setup machine.USBSetup) bool {
 	ok := false
 	if setup.BmRequestType == usb_SET_REPORT_TYPE && setup.BRequest == usb_SET_IDLE {
 		machine.SendZlp()

src/machine/usb/hid/keyboard/keyboard.go

@@ -59,7 +59,7 @@ const (
 func init() {
 	if Keyboard == nil {
 		Keyboard = newKeyboard()
-		hid.SetCallbackHandler(Keyboard)
+		hid.SetHandler(Keyboard)
 	}
 }
 
@@ -74,7 +74,7 @@ func newKeyboard() *keyboard {
 	}
 }
 
-func (kb *keyboard) Callback() bool {
+func (kb *keyboard) Handler() bool {
 	kb.waitTxc = false
 	if b, ok := kb.buf.Get(); ok {
 		kb.waitTxc = true

src/machine/usb/hid/mouse/mouse.go

@@ -23,7 +23,7 @@ type mouse struct {
 func init() {
 	if Mouse == nil {
 		Mouse = newMouse()
-		hid.SetCallbackHandler(Mouse)
+		hid.SetHandler(Mouse)
 	}
 }
 
@@ -38,7 +38,7 @@ func newMouse() *mouse {
 	}
 }
 
-func (m *mouse) Callback() bool {
+func (m *mouse) Handler() bool {
 	m.waitTxc = false
 	if b, ok := m.buf.Get(); ok {
 		m.waitTxc = true
@@ -82,7 +82,7 @@ func (m *mouse) Move(vx, vy int) {
 	})
 }
 
-// Cilck clicks the mouse button.
+// Click clicks the mouse button.
 func (m *mouse) Click(btn Button) {
 	m.Press(btn)
 	m.Release(btn)