more clean up

lib/Pico-PIO-USB

@@ -1 +1 @@
-Subproject commit aecced02e756f3a35805cacdd9be25976b6dd978
+Subproject commit 6f76de3c0fb4679afc9f953cd4fec0637ebd2f15

src/device/usbd.c

@@ -1071,8 +1071,7 @@ static bool process_get_descriptor(uint8_t rhport, tusb_control_request_t const
 //--------------------------------------------------------------------+
 // DCD Event Handler
 //--------------------------------------------------------------------+
-TU_ATTR_FAST_FUNC
-void dcd_event_handler(dcd_event_t const * event, bool in_isr)
+TU_ATTR_FAST_FUNC void dcd_event_handler(dcd_event_t const * event, bool in_isr)
 {
   switch (event->event_id)
   {

src/host/usbh.c

@@ -1139,7 +1139,7 @@ enum {
   //ENUM_HUB_GET_STATUS_1,
   ENUM_HUB_CLEAR_RESET_1,
   ENUM_ADDR0_DEVICE_DESC,
-  ENUM_RESET_2,         // 2nd reset before set address
+  ENUM_RESET_2,         // 2nd reset before set address (not used)
   ENUM_HUB_GET_STATUS_2,
   ENUM_HUB_CLEAR_RESET_2,
   ENUM_SET_ADDR,
@@ -1227,17 +1227,17 @@ static void process_enumeration(tuh_xfer_t* xfer)
     }
     break;
 
+#if 0
     case ENUM_RESET_2:
+      // XXX note used by now, but may be needed for some devices !?
       // Reset device again before Set Address
-      TU_LOG2("Port reset \r\n");
+      TU_LOG2("Port reset2 \r\n");
       if (_dev0.hub_addr == 0)
       {
         // connected directly to roothub
-#if !CFG_TUH_RPI_PIO_USB // FIXME skip this reset for pio-usb
         hcd_port_reset( _dev0.rhport );
         osal_task_delay(RESET_DELAY);
         hcd_port_reset_end(_dev0.rhport);
-#endif
         // TODO: fall through to SET ADDRESS, refactor later
       }
       #if CFG_TUH_HUB
@@ -1249,6 +1249,7 @@ static void process_enumeration(tuh_xfer_t* xfer)
       }
       #endif
       __attribute__((fallthrough));
+#endif
 
     case ENUM_SET_ADDR:
       enum_request_set_addr();

src/portable/raspberrypi/pio_usb/dcd_pio_usb.c

@@ -135,6 +135,7 @@ void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
 {
   (void) rhport;
   endpoint_t *ep = pio_usb_device_get_endpoint_by_address(ep_addr);
+  ep->has_transfer = false;
   ep->stalled = true;
 }