machine/usb: change to not send before endpoint initialization

src/machine/usb.go

@@ -11,6 +11,7 @@ import (
 
 type USBDevice struct {
 	initcomplete         bool
+	InitEndpointComplete bool
 }
 
 var (
@@ -215,6 +216,7 @@ func handleStandardSetup(setup usb.Setup) bool {
 			}
 
 			usbConfiguration = setup.WValueL
+			USBDev.InitEndpointComplete = true
 
 			SendZlp()
 			return true

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

@@ -2,6 +2,7 @@ package keyboard
 
 import (
 	"errors"
+	"machine"
 	"machine/usb/hid"
 )
 
@@ -91,12 +92,14 @@ func (kb *keyboard) Handler() bool {
 }
 
 func (kb *keyboard) tx(b []byte) {
+	if machine.USBDev.InitEndpointComplete {
 		if kb.waitTxc {
 			kb.buf.Put(b)
 		} else {
 			kb.waitTxc = true
 			hid.SendUSBPacket(b)
 		}
+	}
 }
 
 func (kb *keyboard) ready() bool {

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

@@ -1,6 +1,7 @@
 package mouse
 
 import (
+	"machine"
 	"machine/usb/hid"
 )
 
@@ -55,12 +56,14 @@ func (m *mouse) Handler() bool {
 }
 
 func (m *mouse) tx(b []byte) {
+	if machine.USBDev.InitEndpointComplete {
 		if m.waitTxc {
 			m.buf.Put(b)
 		} else {
 			m.waitTxc = true
 			hid.SendUSBPacket(b)
 		}
+	}
 }
 
 // Move is a function that moves the mouse cursor.

src/machine/usb/joystick/joystick.go

@@ -76,12 +76,14 @@ func (m *Joystick) rxHandler(b []byte) {
 }
 
 func (m *Joystick) tx(b []byte) {
+	if machine.USBDev.InitEndpointComplete {
 		if m.waitTxc {
 			m.buf.Put(b)
 		} else {
 			m.waitTxc = true
 			m.sendUSBPacket(b)
 		}
+	}
 }
 
 // to InterruptOut

src/machine/usb/midi/midi.go

@@ -71,12 +71,14 @@ func (m *midi) Handler() {
 }
 
 func (m *midi) tx(b []byte) {
+	if machine.USBDev.InitEndpointComplete {
 		if m.waitTxc {
 			m.buf.Put(b)
 		} else {
 			m.waitTxc = true
 			m.sendUSBPacket(b)
 		}
+	}
 }
 
 // from BulkOut