#135 fix F105 RX buffer overflow

src/usbd_stm32f105_otgfs.c

@@ -338,6 +338,7 @@ static int32_t ep_read(uint8_t ep, void* buf, uint16_t blen) {
             tmp >>= 8;
         }
     }
+    _BST(EPOUT(ep)->DOEPCTL, USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_EPENA);
     return (len < blen) ? len : blen;
 }
 
@@ -413,9 +414,6 @@ static void evt_poll(usbd_device *dev, usbd_evt_callback callback) {
                 }
                 evt = usbd_evt_epsetup;
                 break;
-            case 0x03:  /* OUT completed */
-            case 0x04:  /* SETUP completed */
-                _BST(EPOUT(ep)->DOEPCTL, USB_OTG_DOEPCTL_CNAK | USB_OTG_DOEPCTL_EPENA);
                 // fall through
             default:
                 /* pop GRXSTSP */