diff --git a/demos/device/keyboard/main.c b/demos/device/keyboard/main.c
index 77bbc6557..659fc0a33 100644
--- a/demos/device/keyboard/main.c
+++ b/demos/device/keyboard/main.c
@@ -23,7 +23,7 @@ int main(void)
   board_init();
   tusb_init();
 
-  //print_greeting();
+  print_greeting();
   while (1)
   {
     if (current_tick + 1000 < system_ticks)
diff --git a/demos/device/keyboard/tusb_descriptors.c b/demos/device/keyboard/tusb_descriptors.c
index c7929abab..1d01c0eb1 100644
--- a/demos/device/keyboard/tusb_descriptors.c
+++ b/demos/device/keyboard/tusb_descriptors.c
@@ -39,7 +39,7 @@
 
 #if TUSB_CFG_DEVICE_HID_KEYBOARD
 TUSB_CFG_ATTR_USBRAM ATTR_ALIGNED(4)
-const uint8_t keyboard_report_descriptor[] = {
+const uint8_t app_tusb_keyboard_desc_report[] = {
   HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP     ),
   HID_USAGE      ( HID_USAGE_DESKTOP_KEYBOARD ),
   HID_COLLECTION ( HID_COLLECTION_APPLICATION ),
@@ -120,7 +120,7 @@ const uint8_t mouse_report_descriptor[] = {
 #endif
 
 TUSB_CFG_ATTR_USBRAM ATTR_ALIGNED(4)
-tusb_descriptor_device_t const app_desc_device =
+tusb_descriptor_device_t const app_tusb_desc_device =
 {
     .bLength            = sizeof(tusb_descriptor_device_t),
     .bDescriptorType    = TUSB_DESC_TYPE_DEVICE,
@@ -144,7 +144,7 @@ tusb_descriptor_device_t const app_desc_device =
 
 
 TUSB_CFG_ATTR_USBRAM ATTR_ALIGNED(4)
-const app_descriptor_configuration_t app_desc_configuration =
+const app_descriptor_configuration_t app_tusb_desc_configuration =
 {
     .configuration =
     {
@@ -290,7 +290,7 @@ const app_descriptor_configuration_t app_desc_configuration =
         .bCountryCode      = HID_Local_NotSupported,
         .bNumDescriptors   = 1,
         .bReportType       = HID_DESC_TYPE_REPORT,
-        .wReportLength     = sizeof(keyboard_report_descriptor)
+        .wReportLength     = sizeof(app_tusb_keyboard_desc_report)
     },
 
     .keyboard_endpoint =
@@ -379,7 +379,7 @@ const app_descriptor_configuration_t app_desc_configuration =
 };
 
 TUSB_CFG_ATTR_USBRAM ATTR_ALIGNED(4)
-const app_descriptor_string_t app_desc_strings =
+const app_descriptor_string_t app_tusb_desc_strings =
 {
     .LangID = { .bLength = 0x04, .bDescriptorType = TUSB_DESC_TYPE_STRING },
     .strLangID= {0x0409}, // US English
diff --git a/demos/device/keyboard/tusb_descriptors.h b/demos/device/keyboard/tusb_descriptors.h
index 481256c34..2192fe119 100644
--- a/demos/device/keyboard/tusb_descriptors.h
+++ b/demos/device/keyboard/tusb_descriptors.h
@@ -30,15 +30,15 @@
  * This file is part of the tinyUSB stack
  */
 
-#ifndef _DESCRIPTORS_H_
-#define _DESCRIPTORS_H_
+#ifndef _TUSB_DESCRIPTORS_H_
+#define _TUSB_DESCRIPTORS_H_
 
 #include "tusb.h"
 
 #define TUSB_CFG_DEVICE_STRING_MANUFACTURER   "tinyUSB"
 #define TUSB_CFG_DEVICE_STRING_PRODUCT        "Device Keyboard"
 #define TUSB_CFG_DEVICE_STRING_SERIAL         "1234"
-#define TUSB_CFG_DEVICE_VENDORID              0x1FC9
+#define TUSB_CFG_DEVICE_VENDORID              0x1FC9 // NXP
 //#define TUSB_CFG_DEVICE_PRODUCTID
 
 /* USB Serial uses the MCUs unique 128-bit chip ID via an IAP call = 32 hex chars */
@@ -154,10 +154,11 @@ typedef ATTR_PACKED_STRUCT(struct)
   uint8_t                                        null_termination; // NXP rom driver requires this to work
 } app_descriptor_configuration_t;
 
-extern const tusb_descriptor_device_t app_desc_device;
-extern const app_descriptor_configuration_t app_desc_configuration;
-extern const app_descriptor_string_t app_desc_strings;
-extern const uint8_t keyboard_report_descriptor[];
+extern const tusb_descriptor_device_t app_tusb_desc_device;
+extern const app_descriptor_configuration_t app_tusb_desc_configuration;
+extern const app_descriptor_string_t app_tusb_desc_strings;
+
+extern const uint8_t app_tusb_keyboard_desc_report[];
 
 //extern const uint8_t HID_MouseReportDescriptor[];
 
diff --git a/tests/test/device/usbd/test_usbd.c b/tests/test/device/usbd/test_usbd.c
index a41118201..8054cab4d 100644
--- a/tests/test/device/usbd/test_usbd.c
+++ b/tests/test/device/usbd/test_usbd.c
@@ -66,6 +66,7 @@ void test_usbd_init_ok(void)
   dcd_init_ExpectAndReturn(TUSB_ERROR_NONE);
 
 
+
   //------------- Code Under Test -------------//
   TEST_ASSERT_EQUAL( TUSB_ERROR_NONE, usbd_init() );
 
diff --git a/tinyusb/device/dcd_nxp_romdriver.c b/tinyusb/device/dcd_nxp_romdriver.c
index 9fa75087d..e787aca5a 100644
--- a/tinyusb/device/dcd_nxp_romdriver.c
+++ b/tinyusb/device/dcd_nxp_romdriver.c
@@ -54,6 +54,7 @@
 
 #define USB_ROM_SIZE (1024*2) // TODO dcd abstract later
 uint8_t usb_RomDriver_buffer[USB_ROM_SIZE] ATTR_ALIGNED(2048) TUSB_CFG_ATTR_USBRAM;
+
 USBD_HANDLE_T g_hUsb;
 
 typedef struct {
@@ -84,11 +85,12 @@ typedef struct {
 ErrorCode_t USB_Configure_Event (USBD_HANDLE_T hUsb)
 {
   USB_CORE_CTRL_T* pCtrl = (USB_CORE_CTRL_T*)hUsb;
+
   if (pCtrl->config_value)
   {
     usbd_info.state = TUSB_DEVICE_STATE_CONFIGURED;
 
-    #if defined(DEVICE_CLASS_HID)
+    #if DEVICE_CLASS_HID
     ASSERT( TUSB_ERROR_NONE == hidd_configured(hUsb), ERR_FAILED );
     #endif
 
@@ -97,7 +99,6 @@ ErrorCode_t USB_Configure_Event (USBD_HANDLE_T hUsb)
     #endif
   }
 
-
   return LPC_OK;
 }
 
@@ -107,6 +108,16 @@ ErrorCode_t USB_Reset_Event (USBD_HANDLE_T hUsb)
   return LPC_OK;
 }
 
+ErrorCode_t USB_Interface_Event (USBD_HANDLE_T hUsb)
+{
+  return LPC_OK;
+}
+
+ErrorCode_t USB_Error_Event (USBD_HANDLE_T hUsb, uint32_t param1)
+{
+  (void) param1;
+  return LPC_OK;
+}
 
 tusb_error_t dcd_init(void)
 {
@@ -121,15 +132,17 @@ tusb_error_t dcd_init(void)
     .mem_size            = memsize,
 
     .USB_Configure_Event = USB_Configure_Event,
-    .USB_Reset_Event     = USB_Reset_Event
+    .USB_Reset_Event     = USB_Reset_Event,
+    .USB_Error_Event     = USB_Error_Event,
+    .USB_Interface_Event = USB_Interface_Event
   };
 
   USB_CORE_DESCS_T desc_core =
   {
-    .device_desc      = (uint8_t*) &app_desc_device,
-    .string_desc      = (uint8_t*) &app_desc_strings,
-    .full_speed_desc  = (uint8_t*) &app_desc_configuration,
-    .high_speed_desc  = (uint8_t*) &app_desc_configuration,
+    .device_desc      = (uint8_t*) &app_tusb_desc_device,
+    .string_desc      = (uint8_t*) &app_tusb_desc_strings,
+    .full_speed_desc  = (uint8_t*) &app_tusb_desc_configuration,
+    .high_speed_desc  = (uint8_t*) &app_tusb_desc_configuration,
     .device_qualifier = NULL
   };
 
@@ -142,8 +155,8 @@ tusb_error_t dcd_init(void)
 
 
   #if TUSB_CFG_DEVICE_HID_KEYBOARD
-  ASSERT_STATUS( hidd_init(g_hUsb , &app_desc_configuration.keyboard_interface,
-            keyboard_report_descriptor, app_desc_configuration.keyboard_hid.wReportLength,
+  ASSERT_STATUS( hidd_init(g_hUsb , &app_tusb_desc_configuration.keyboard_interface,
+            app_tusb_keyboard_desc_report, app_tusb_desc_configuration.keyboard_hid.wReportLength,
             &membase , &memsize) );
   #endif
 
@@ -155,6 +168,7 @@ tusb_error_t dcd_init(void)
 
   hal_interrupt_enable(0);
   ROM_API->hw->Connect(g_hUsb, 1);
+  ROM_API->hw->ForceFullSpeed(g_hUsb, 1);
 
   return TUSB_ERROR_NONE;
 }