clean up files

15 files changed, 0 insertions, 1735 deletions

diff --git a/examples/obsolete/device/src/WinCDCdriver.inf b/examples/obsolete/device/src/WinCDCdriver.inf
deleted file mode 100644
index b2ef6ba90..000000000
--- a/examples/obsolete/device/src/WinCDCdriver.inf
+++ /dev/null
@@ -1,106 +0,0 @@
-;************************************************************
-; Windows USB CDC ACM Setup File
-; Copyright (c) 2000 Microsoft Corporation
-
-
-[Version]
-Signature="$Windows NT$"
-Class=Ports
-ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
-Provider=%MFGNAME%
-LayoutFile=layout.inf
-CatalogFile=%MFGFILENAME%.cat
-DriverVer=11/15/2007,5.1.2600.0
-
-[Manufacturer]
-%MFGNAME%=DeviceList, NTamd64
-
-[DestinationDirs]
-DefaultDestDir=12
-
-
-;------------------------------------------------------------------------------
-;  Windows 2000/XP/Vista-32bit Sections
-;------------------------------------------------------------------------------
-
-[DriverInstall.nt]
-include=mdmcpq.inf
-CopyFiles=DriverCopyFiles.nt
-AddReg=DriverInstall.nt.AddReg
-
-[DriverCopyFiles.nt]
-usbser.sys,,,0x20
-
-[DriverInstall.nt.AddReg]
-HKR,,DevLoader,,*ntkern
-HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
-HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
-
-[DriverInstall.nt.Services]
-AddService=usbser, 0x00000002, DriverService.nt
-
-[DriverService.nt]
-DisplayName=%SERVICE%
-ServiceType=1
-StartType=3
-ErrorControl=1
-ServiceBinary=%12%\%DRIVERFILENAME%.sys
-
-;------------------------------------------------------------------------------
-;  Vista-64bit Sections
-;------------------------------------------------------------------------------
-
-[DriverInstall.NTamd64]
-include=mdmcpq.inf
-CopyFiles=DriverCopyFiles.NTamd64
-AddReg=DriverInstall.NTamd64.AddReg
-
-[DriverCopyFiles.NTamd64]
-%DRIVERFILENAME%.sys,,,0x20
-
-[DriverInstall.NTamd64.AddReg]
-HKR,,DevLoader,,*ntkern
-HKR,,NTMPDriver,,%DRIVERFILENAME%.sys
-HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
-
-[DriverInstall.NTamd64.Services]
-AddService=usbser, 0x00000002, DriverService.NTamd64
-
-[DriverService.NTamd64]
-DisplayName=%SERVICE%
-ServiceType=1
-StartType=3
-ErrorControl=1
-ServiceBinary=%12%\%DRIVERFILENAME%.sys
-
-
-;------------------------------------------------------------------------------
-;  Vendor and Product ID Definitions
-;------------------------------------------------------------------------------
-; When developing your USB device, the VID and PID used in the PC side
-; application program and the firmware on the microcontroller must match.
-; Modify the below line to use your VID and PID.  Use the format as shown below.
-; Note: One INF file can be used for multiple devices with different VID and PIDs.
-; For each supported device, append ",USB\VID_xxxx&PID_yyyy" to the end of the line.
-;------------------------------------------------------------------------------
-[SourceDisksFiles]
-[SourceDisksNames]
-[DeviceList]
-%DESCRIPTION%=DriverInstall, USB\VID_CAFE&PID_4001&MI_00, USB\VID_CAFE&PID_4003&MI_00, USB\VID_CAFE&PID_4005&MI_00, USB\VID_CAFE&PID_4007&MI_00, USB\VID_CAFE&PID_4009&MI_00, USB\VID_CAFE&PID_400b&MI_00, USB\VID_CAFE&PID_400d&MI_00, USB\VID_CAFE&PID_400f&MI_00, USB\VID_CAFE&PID_4011&MI_00, USB\VID_CAFE&PID_4013&MI_00, USB\VID_CAFE&PID_4015&MI_00, USB\VID_CAFE&PID_4017&MI_00, USB\VID_CAFE&PID_4019&MI_00, USB\VID_CAFE&PID_401b&MI_00, USB\VID_CAFE&PID_401d&MI_00, USB\VID_CAFE&PID_401f&MI_00, USB\VID_CAFE&PID_4021&MI_00, USB\VID_CAFE&PID_4023&MI_00, USB\VID_CAFE&PID_4025&MI_00, USB\VID_CAFE&PID_4027&MI_00, USB\VID_CAFE&PID_4029&MI_00, USB\VID_CAFE&PID_402b&MI_00, USB\VID_CAFE&PID_402d&MI_00, USB\VID_CAFE&PID_402f&MI_00, USB\VID_CAFE&PID_4031&MI_00, USB\VID_CAFE&PID_4033&MI_00, USB\VID_CAFE&PID_4035&MI_00, USB\VID_CAFE&PID_4037&MI_00, USB\VID_CAFE&PID_4039&MI_00, USB\VID_CAFE&PID_403b&MI_00, USB\VID_CAFE&PID_403d&MI_00, USB\VID_CAFE&PID_403f&MI_00
-
-
-[DeviceList.NTamd64]
-%DESCRIPTION%=DriverInstall, USB\VID_CAFE&PID_4001&MI_00, USB\VID_CAFE&PID_4003&MI_00, USB\VID_CAFE&PID_4005&MI_00, USB\VID_CAFE&PID_4007&MI_00, USB\VID_CAFE&PID_4009&MI_00, USB\VID_CAFE&PID_400b&MI_00, USB\VID_CAFE&PID_400d&MI_00, USB\VID_CAFE&PID_400f&MI_00, USB\VID_CAFE&PID_4011&MI_00, USB\VID_CAFE&PID_4013&MI_00, USB\VID_CAFE&PID_4015&MI_00, USB\VID_CAFE&PID_4017&MI_00, USB\VID_CAFE&PID_4019&MI_00, USB\VID_CAFE&PID_401b&MI_00, USB\VID_CAFE&PID_401d&MI_00, USB\VID_CAFE&PID_401f&MI_00, USB\VID_CAFE&PID_4021&MI_00, USB\VID_CAFE&PID_4023&MI_00, USB\VID_CAFE&PID_4025&MI_00, USB\VID_CAFE&PID_4027&MI_00, USB\VID_CAFE&PID_4029&MI_00, USB\VID_CAFE&PID_402b&MI_00, USB\VID_CAFE&PID_402d&MI_00, USB\VID_CAFE&PID_402f&MI_00, USB\VID_CAFE&PID_4031&MI_00, USB\VID_CAFE&PID_4033&MI_00, USB\VID_CAFE&PID_4035&MI_00, USB\VID_CAFE&PID_4037&MI_00, USB\VID_CAFE&PID_4039&MI_00, USB\VID_CAFE&PID_403b&MI_00, USB\VID_CAFE&PID_403d&MI_00, USB\VID_CAFE&PID_403f&MI_00
-
-;------------------------------------------------------------------------------
-;  String Definitions
-;------------------------------------------------------------------------------
-;Modify these strings to customize your device
-;------------------------------------------------------------------------------
-[Strings]
-MFGFILENAME="CDC_vista"
-DRIVERFILENAME ="usbser"
-MFGNAME="tinyusb.org"
-INSTDISK="tinyusb CDC driver"
-DESCRIPTION="tinyusb Serial Port"
-SERVICE="USB RS-232 Emulation Driver"
\ No newline at end of file
diff --git a/examples/obsolete/device/src/app_os_prio.h b/examples/obsolete/device/src/app_os_prio.h
deleted file mode 100644
index 4f7fea2ce..000000000
--- a/examples/obsolete/device/src/app_os_prio.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     app_os_prio.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#ifndef _TUSB_APP_OS_PRIO_H_
-#define _TUSB_APP_OS_PRIO_H_
-
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-#include "tusb.h"
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-  #define LOWER_PRIO(x)   0   // does not matter
-#elif CFG_TUSB_OS == OPT_OS_FREERTOS
-  #define LOWER_PRIO(x)   ((x)-1) // freeRTOS lower number --> lower priority
-#else
-  #error Priority is not configured for this RTOS
-#endif
-
-enum {
-  STANDARD_APP_TASK_PRIO     = LOWER_PRIO(CFG_TUD_TASK_PRIO),  // Application Task is lower than usb system task
-  LED_BLINKING_APP_TASK_PRIO = LOWER_PRIO(STANDARD_APP_TASK_PRIO), // Blinking task is lower than normal task
-
-  KEYBOARD_APP_TASK_PRIO     = STANDARD_APP_TASK_PRIO,
-  MOUSE_APP_TASK_PRIO        = STANDARD_APP_TASK_PRIO,
-  CDC_SERIAL_APP_TASK_PRIO   = STANDARD_APP_TASK_PRIO,
-  MSC_APP_TASK_PRIO          = STANDARD_APP_TASK_PRIO
-};
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_APP_OS_PRIO_H_ */
diff --git a/examples/obsolete/device/src/cdc_device_app.c b/examples/obsolete/device/src/cdc_device_app.c
deleted file mode 100644
index 7989d86ab..000000000
--- a/examples/obsolete/device/src/cdc_device_app.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     cdc_device_app.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "cdc_device_app.h"
-
-#if CFG_TUD_CDC
-
-#include "common/tusb_fifo.h" // TODO refractor
-#include "app_os_prio.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-enum { SERIAL_BUFFER_SIZE = 64 };
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-void cdc_serial_app_task(void* param);
-
-OSAL_TASK_DEF(cdc_task_def, "blinky", cdc_serial_app_task, CDC_SERIAL_APP_TASK_PRIO, 128);
-
-//--------------------------------------------------------------------+
-// tinyusb callbacks
-//--------------------------------------------------------------------+
-void cdc_serial_app_mount(uint8_t rhport)
-{
-}
-
-void cdc_serial_app_umount(uint8_t rhport)
-{
-
-}
-
-void tud_cdc_rx_cb(uint8_t itf)
-{
-
-}
-
-//--------------------------------------------------------------------+
-// APPLICATION CODE
-//--------------------------------------------------------------------+
-void cdc_serial_app_init(void)
-{
-  osal_task_create(&cdc_task_def);
-}
-
-tusb_error_t cdc_serial_subtask(void);
-
-void cdc_serial_app_task(void* param)
-{
-  (void) param;
-
-  OSAL_TASK_BEGIN
-  cdc_serial_subtask();
-  OSAL_TASK_END
-}
-
-tusb_error_t cdc_serial_subtask(void)
-{
-  OSAL_SUBTASK_BEGIN
-
-  if ( tud_mounted() && tud_cdc_available() )
-  {
-    uint8_t buf[64];
-
-    // read and echo back
-    uint32_t count = tud_cdc_read(buf, sizeof(buf));
-
-    tud_cdc_write(buf, count);
-  }
-
-  OSAL_SUBTASK_END
-}
-
-#endif
diff --git a/examples/obsolete/device/src/cdc_device_app.h b/examples/obsolete/device/src/cdc_device_app.h
deleted file mode 100644
index 71b4bdf28..000000000
--- a/examples/obsolete/device/src/cdc_device_app.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     cdc_device_app.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-/** \ingroup TBD
- *  \defgroup TBD
- *  \brief TBD
- *
- *  @{
- */
-
-#ifndef _TUSB_CDCD_DEVICE_APP_H_
-#define _TUSB_CDCD_DEVICE_APP_H_
-
-#include "bsp/board.h"
-#include "tusb.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-#if CFG_TUD_CDC
-
-void cdc_serial_app_init(void);
-void cdc_serial_app_task(void* param);
-
-void cdc_serial_app_mount(uint8_t rhport);
-void cdc_serial_app_umount(uint8_t rhport);
-
-#else
-
-#define cdc_serial_app_init()
-#define cdc_serial_app_task(x)
-#define cdc_serial_app_mount(x)
-#define cdc_serial_app_umount(x)
-
-#endif
-
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_CDCD_DEVICE_APP_H_ */
-
-/** @} */
diff --git a/examples/obsolete/device/src/keyboard_device_app.c b/examples/obsolete/device/src/keyboard_device_app.c
deleted file mode 100644
index 5e14c56c9..000000000
--- a/examples/obsolete/device/src/keyboard_device_app.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     keyboard_device_app.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "keyboard_device_app.h"
-
-#if CFG_TUD_HID_KEYBOARD
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "app_os_prio.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-CFG_TUSB_MEM_SECTION hid_keyboard_report_t keyboard_report;
-
-//--------------------------------------------------------------------+
-// tinyusb callbacks
-//--------------------------------------------------------------------+
-void keyboard_app_mount(uint8_t rhport)
-{
-
-}
-
-void keyboard_app_umount(uint8_t rhport)
-{
-
-}
-
-void tud_hid_keyboard_cb(uint8_t rhport, xfer_result_t event, uint32_t xferred_bytes)
-{
-  switch(event)
-  {
-    case XFER_RESULT_SUCCESS:
-    case XFER_RESULT_FAILED:
-    case XFER_RESULT_STALLED:
-    default: break;
-  }
-}
-
-uint16_t tud_hid_keyboard_get_report_cb(hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
-{
-  // get other than input report is not supported by this keyboard demo
-  if ( report_type != HID_REPORT_TYPE_INPUT ) return 0;
-
-  memcpy(buffer, &keyboard_report, reqlen);
-  return reqlen;
-}
-
-void tud_hid_keyboard_set_report_cb(hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
-{
-  // set other than output report is not supported by this keyboard demo
-  if ( report_type != HID_REPORT_TYPE_OUTPUT ) return;
-
-  uint8_t kbd_led = buffer[0];
-  uint32_t interval_divider = 1; // each LED will reduce blinking interval by a half
-
-  if (kbd_led & KEYBOARD_LED_NUMLOCK   ) interval_divider *= 2;
-  if (kbd_led & KEYBOARD_LED_CAPSLOCK  ) interval_divider *= 2;
-  if (kbd_led & KEYBOARD_LED_SCROLLLOCK) interval_divider *= 2;
-
-  // TODO remove
-  extern void led_blinking_set_interval(uint32_t ms);
-  led_blinking_set_interval( 1000 / interval_divider);
-}
-
-//--------------------------------------------------------------------+
-// APPLICATION CODE
-//--------------------------------------------------------------------+
-void keyboard_app_init(void)
-{
-  osal_task_create(keyboard_app_task, "kbd", 128, NULL, KEYBOARD_APP_TASK_PRIO);
-}
-
-tusb_error_t keyboard_device_subtask(void);
-
-void keyboard_app_task(void* param)
-{
-  (void) param;
-
-  OSAL_TASK_BEGIN
-  keyboard_device_subtask();
-  OSAL_TASK_END
-}
-
-tusb_error_t keyboard_device_subtask(void)
-{
-  OSAL_SUBTASK_BEGIN
-
-  osal_task_delay(50);
-
-  if ( tud_mounted() && tud_hid_keyboard_ready(0) )
-  {
-    static uint32_t button_mask = 0;
-    uint32_t new_button_mask = board_buttons();
-
-    //------------- button pressed -------------//
-    if (button_mask != new_button_mask)
-    {
-      button_mask = new_button_mask;
-
-      for (uint8_t i=0; i<6; i++)
-      { // demo support up to 6 buttons, button0 = 'a', button1 = 'b', etc ...
-        keyboard_report.keycode[i] =  BIT_TEST_(button_mask, i) ? (0x04+i) : 0;
-      }
-
-      tud_hid_keyboard_send(0, &keyboard_report );
-    }
-  }
-
-  OSAL_SUBTASK_END
-}
-
-#endif
diff --git a/examples/obsolete/device/src/keyboard_device_app.h b/examples/obsolete/device/src/keyboard_device_app.h
deleted file mode 100644
index 45c843876..000000000
--- a/examples/obsolete/device/src/keyboard_device_app.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     keyboard_device_app.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-/** \ingroup TBD
- *  \defgroup TBD
- *  \brief TBD
- *
- *  @{
- */
-
-#ifndef _TUSB_KEYBOARDD_DEVICE_APP_H_
-#define _TUSB_KEYBOARDD_DEVICE_APP_H_
-
-#include "bsp/board.h"
-#include "tusb.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-#if CFG_TUD_HID_KEYBOARD
-
-void keyboard_app_init(void);
-void keyboard_app_task(void* param);
-
-void keyboard_app_mount(uint8_t rhport);
-void keyboard_app_umount(uint8_t rhport);
-
-#else
-
-#define keyboard_app_init()
-#define keyboard_app_task(x)
-#define keyboard_app_mount(x)
-#define keyboard_app_umount(x)
-
-#endif
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_KEYBOARDD_DEVICE_APP_H_ */
-
-/** @} */
diff --git a/examples/obsolete/device/src/main.c b/examples/obsolete/device/src/main.c
deleted file mode 100644
index 7de6fd32b..000000000
--- a/examples/obsolete/device/src/main.c
+++ /dev/null
@@ -1,205 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     main.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
-#include "bsp/board.h"
-#include "app_os_prio.h"
-#include "tusb.h"
-
-#include "msc_device_app.h"
-#include "keyboard_device_app.h"
-#include "mouse_device_app.h"
-#include "cdc_device_app.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-void print_greeting(void);
-void led_blinking_init(void);
-void led_blinking_task(void* param);
-
-
-#if CFG_TUSB_OS == OPT_OS_NONE
-// like a real RTOS, this function is a main loop invoking each task in application and never return
-void os_none_start_scheduler(void)
-{
-  while (1)
-  {
-    tusb_task();
-    led_blinking_task(NULL);
-
-    msc_app_task(NULL);
-    keyboard_app_task(NULL);
-    mouse_app_task(NULL);
-    cdc_serial_app_task(NULL);
-  }
-}
-#endif
-
-int main(void)
-{
-  board_init();
-  print_greeting();
-
-  tusb_init();
-
-  //------------- application task init -------------//
-  led_blinking_init();
-
-  msc_app_init();
-  keyboard_app_init();
-  mouse_app_init();
-  cdc_serial_app_init();
-
-  //------------- start OS scheduler (never return) -------------//
-#if CFG_TUSB_OS == OPT_OS_FREERTOS
-  vTaskStartScheduler();
-#elif CFG_TUSB_OS == OPT_OS_NONE
-  os_none_start_scheduler();
-#else
-  #error need to start RTOS schduler
-#endif
-
-  return 0;
-}
-
-//--------------------------------------------------------------------+
-// tinyusb callbacks
-//--------------------------------------------------------------------+
-void tud_mount_cb(void)
-{
-  uint8_t rhport = 0; // TODO remove
-  cdc_serial_app_mount(rhport);
-  keyboard_app_mount(rhport);
-  msc_app_mount(rhport);
-}
-
-void tud_umount_cb(void)
-{
-  uint8_t rhport = 0; // TODO remove
-  cdc_serial_app_umount(rhport);
-  keyboard_app_umount(rhport);
-  msc_app_umount(rhport);
-}
-
-//--------------------------------------------------------------------+
-// BLINKING TASK
-//--------------------------------------------------------------------+
-OSAL_TASK_DEF(blink_task_def, "blinky", led_blinking_task, LED_BLINKING_APP_TASK_PRIO, 128);
-
-static uint32_t led_blink_interval_ms = 1000; // default is 1 second
-
-void led_blinking_init(void)
-{
-  led_blink_interval_ms = 1000;
-  osal_task_create(&blink_task_def);
-}
-
-void led_blinking_set_interval(uint32_t ms)
-{
-  led_blink_interval_ms = ms;
-}
-
-tusb_error_t led_blinking_subtask(void);
-void led_blinking_task(void* param)
-{
-  (void) param;
-
-  OSAL_TASK_BEGIN
-  led_blinking_subtask();
-  OSAL_TASK_END
-}
-
-tusb_error_t led_blinking_subtask(void)
-{
-  OSAL_SUBTASK_BEGIN
-
-  static bool led_state = false;
-
-  osal_task_delay(led_blink_interval_ms);
-
-  board_led_control(led_state);
-  led_state = 1 - led_state; // toggle
-
-//  uint32_t btn_mask;
-//  btn_mask = board_buttons();
-//
-//  for(uint8_t i=0; i<32; i++)
-//  {
-//    if ( BIT_TEST_(btn_mask, i) ) printf("button %d is pressed\n", i);
-//  }
-
-  OSAL_SUBTASK_END
-}
-
-//--------------------------------------------------------------------+
-// HELPER FUNCTION
-//--------------------------------------------------------------------+
-void print_greeting(void)
-{
-  char const * const rtos_name[] =
-  {
-      [OPT_OS_NONE]      = "None",
-      [OPT_OS_FREERTOS]  = "FreeRTOS",
-  };
-
-  printf("\n\
---------------------------------------------------------------------\n\
--                     Device Demo (a tinyusb example)\n\
-- if you find any bugs or get any questions, feel free to file an\n\
-- issue at https://github.com/hathach/tinyusb\n\
---------------------------------------------------------------------\n\n"
-  );
-
-  puts("This DEVICE demo is configured to support:");
-  printf("  - RTOS = %s\n", rtos_name[CFG_TUSB_OS]);
-  if (CFG_TUD_HID_MOUSE    ) puts("  - HID Mouse");
-  if (CFG_TUD_HID_KEYBOARD ) puts("  - HID Keyboard");
-  if (CFG_TUD_MSC          ) puts("  - Mass Storage");
-  if (CFG_TUD_CDC          ) puts("  - Communication Device Class");
-}
diff --git a/examples/obsolete/device/src/mouse_device_app.c b/examples/obsolete/device/src/mouse_device_app.c
deleted file mode 100644
index 6869f1a05..000000000
--- a/examples/obsolete/device/src/mouse_device_app.c
+++ /dev/null
@@ -1,153 +0,0 @@
-  /**************************************************************************/
-/*!
-    @file     mouse_device_app.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "mouse_device_app.h"
-
-#if CFG_TUD_HID_MOUSE
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "app_os_prio.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-CFG_TUSB_MEM_SECTION hid_mouse_report_t mouse_report;
-
-//--------------------------------------------------------------------+
-// tinyusb callbacks
-//--------------------------------------------------------------------+
-void mouse_app_mount(uint8_t rhport)
-{
-
-}
-
-void mouse_app_umount(uint8_t rhport)
-{
-
-}
-
-void tud_hid_mouse_cb(uint8_t rhport, xfer_result_t event, uint32_t xferred_bytes)
-{
-  switch(event)
-  {
-    case XFER_RESULT_SUCCESS:
-    case XFER_RESULT_FAILED:
-    case XFER_RESULT_STALLED:
-    default: break;
-  }
-}
-
-uint16_t tud_hid_mouse_get_report_cb(hid_report_type_t report_type, uint8_t* buffer, uint16_t reqlen)
-{
-  if ( report_type != HID_REPORT_TYPE_INPUT ) return 0; // not support other report type for this mouse demo
-
-  memcpy(buffer, &mouse_report, reqlen);
-  return reqlen;
-}
-
-//--------------------------------------------------------------------+
-// APPLICATION CODE
-//--------------------------------------------------------------------+
-void mouse_app_init(void)
-{
-  osal_task_create(mouse_app_task, "mouse", 128, NULL, MOUSE_APP_TASK_PRIO);
-}
-
-void mouse_app_subtask(void);
-
-void mouse_app_task(void * param)
-{
-  (void) param;
-  OSAL_TASK_BEGIN
-  mouse_app_subtask();
-  OSAL_TASK_END
-}
-
-void mouse_app_subtask(void)
-{
-  OSAL_SUBTASK_BEGIN
-
-  osal_task_delay(20);
-
-  if ( tud_mounted() &&  !tud_hid_mouse_is_busy(0) )
-  {
-    static uint8_t prev_mouse_buttons = 0;
-
-    enum {
-      BUTTON_UP           = 0, // map to button mask
-      BUTTON_DOWN         = 1,
-      BUTTON_LEFT         = 2,
-      BUTTON_RIGHT        = 3,
-      BUTTON_CLICK_LEFT   = 4,
-      BUTTON_CLICK_RIGHT  = 5,
-      BUTTON_CLICK_MIDDLE = 6
-    };
-
-    enum { MOUSE_RESOLUTION  = 5 };
-
-    uint32_t button_mask = board_buttons();
-    tu_memclr(&mouse_report, sizeof(hid_mouse_report_t));
-
-    if ( BIT_TEST_(button_mask, BUTTON_UP           ) ) mouse_report.y = -MOUSE_RESOLUTION;
-    if ( BIT_TEST_(button_mask, BUTTON_DOWN         ) ) mouse_report.y = MOUSE_RESOLUTION;
-
-    if ( BIT_TEST_(button_mask, BUTTON_LEFT         ) ) mouse_report.x = -MOUSE_RESOLUTION;
-    if ( BIT_TEST_(button_mask, BUTTON_RIGHT        ) ) mouse_report.x = MOUSE_RESOLUTION;
-
-    if ( BIT_TEST_(button_mask, BUTTON_CLICK_LEFT   ) ) mouse_report.buttons |= MOUSE_BUTTON_LEFT;
-    if ( BIT_TEST_(button_mask, BUTTON_CLICK_RIGHT  ) ) mouse_report.buttons |= MOUSE_BUTTON_RIGHT;
-    if ( BIT_TEST_(button_mask, BUTTON_CLICK_MIDDLE ) ) mouse_report.buttons |= MOUSE_BUTTON_MIDDLE;
-
-    if ( ! (prev_mouse_buttons == mouse_report.buttons && mouse_report.y == 0 && mouse_report.x == 0 && mouse_report.wheel == 0) )
-    { // send report if clicked buttons are changed or there is any movement x, y, wheel
-      prev_mouse_buttons = mouse_report.buttons;
-
-      tud_hid_mouse_send(0, &mouse_report);
-    }
-  }
-
-  OSAL_SUBTASK_END
-}
-
-#endif
-
diff --git a/examples/obsolete/device/src/mouse_device_app.h b/examples/obsolete/device/src/mouse_device_app.h
deleted file mode 100644
index 2eeb5794a..000000000
--- a/examples/obsolete/device/src/mouse_device_app.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     mouse_device_app.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-/** \ingroup TBD
- *  \defgroup TBD
- *  \brief TBD
- *
- *  @{
- */
-
-#ifndef _TUSB_MOUSED_DEVICE_APP_H_
-#define _TUSB_MOUSED_DEVICE_APP_H_
-
-#include "bsp/board.h"
-#include "tusb.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-#if CFG_TUD_HID_MOUSE
-
-void mouse_app_init(void);
-void mouse_app_task(void * param);
-void mouse_app_mount(uint8_t rhport);
-void mouse_app_umount(uint8_t rhport);
-
-#else
-
-#define mouse_app_init()
-#define mouse_app_task(x)
-#define mouse_app_mount(x)
-#define mouse_app_umount(x)
-
-#endif
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_MOUSED_DEVICE_APP_H_ */
-
-/** @} */
diff --git a/examples/obsolete/device/src/msc_device_app.c b/examples/obsolete/device/src/msc_device_app.c
deleted file mode 100644
index 5190e6265..000000000
--- a/examples/obsolete/device/src/msc_device_app.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     msc_device_app.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "msc_device_app.h"
-
-#if CFG_TUD_MSC
-#include "app_os_prio.h"
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// tinyusb callbacks
-//--------------------------------------------------------------------+
-void msc_app_mount(uint8_t rhport)
-{
-
-}
-
-void msc_app_umount(uint8_t rhport)
-{
-
-}
-
-int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer, uint16_t bufsize)
-{
-  // read10 & write10 has their own callback and MUST not be handled here
-
-  void const* ptr = NULL;
-  uint16_t len = 0;
-
-  // most scsi handled is input
-  bool in_xfer = true;
-
-  switch (scsi_cmd[0])
-  {
-    case SCSI_CMD_TEST_UNIT_READY:
-      // Command that host uses to check our readiness before sending other commands
-      len = 0;
-    break;
-
-    case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
-      // Host is about to read/write etc ... better not to disconnect disk
-      len = 0;
-    break;
-
-    case SCSI_CMD_START_STOP_UNIT:
-      // Host try to eject/safe remove/powerof us. We could safely disconnect with disk storage, or go into lower power
-      // scsi_start_stop_unit_t const * cmd_start_stop = (scsi_start_stop_unit_t const *) scsi_cmd
-      len = 0;
-    break;
-
-    default:
-      // negative is error -> Data stage is STALL, status = failed
-      return -1;
-  }
-
-  // return len must not larger than bufsize
-  TU_ASSERT( bufsize >= len );
-
-  if ( ptr && len )
-  {
-    if(in_xfer)
-    {
-      memcpy(buffer, ptr, len);
-    }else
-    {
-      // SCSI output
-    }
-  }
-
-  return len;
-}
-
-//--------------------------------------------------------------------+
-// APPLICATION CODE
-//--------------------------------------------------------------------+
-void msc_app_task(void* param)
-{ // no need to implement the task yet
-  (void) param;
-
-  OSAL_TASK_BEGIN
-
-  OSAL_TASK_END
-}
-
-void msc_app_init (void)
-{
-
-}
-
-
-#endif
diff --git a/examples/obsolete/device/src/msc_device_app.h b/examples/obsolete/device/src/msc_device_app.h
deleted file mode 100644
index 6f2e95630..000000000
--- a/examples/obsolete/device/src/msc_device_app.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     msc_device_app.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-/** \ingroup group_demo
- *  \defgroup Mass Storage Device App
- *  @{ */
-
-#ifndef _TUSB_MSCD_DEVICE_APP_H_
-#define _TUSB_MSCD_DEVICE_APP_H_
-
-#include "bsp/board.h"
-#include "tusb.h"
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-#if CFG_TUD_MSC
-
-enum
-{
-  DISK_BLOCK_NUM  = 16, // 8KB is the smallest size that windows allow to mount
-  DISK_BLOCK_SIZE = 512
-};
-
-#define README_CONTENTS \
-"This is tinyusb's MassStorage Class demo.\r\n\r\n\
-If you find any bugs or get any questions, feel free to file an\r\n\
-issue at github.com/hathach/tinyusb"
-
-#if CFG_TUSB_MCU==OPT_MCU_LPC11UXX || CFG_TUSB_MCU==OPT_MCU_LPC13XX
-  #define MSCD_APP_ROMDISK
-#else // defaults is ram disk
-  #define MSCD_APP_RAMDISK
-#endif
-
-void msc_app_init(void);
-void msc_app_task(void* param);
-
-void msc_app_mount(uint8_t rhport);
-void msc_app_umount(uint8_t rhport);
-
-#else
-
-#define msc_app_init()
-#define msc_app_task(x)
-#define msc_app_mount(x)
-#define msc_app_umount(x)
-
-#endif
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_MSCD_DEVICE_APP_H_ */
-
-/** @} */
diff --git a/examples/obsolete/device/src/msc_device_ramdisk.c b/examples/obsolete/device/src/msc_device_ramdisk.c
deleted file mode 100644
index f28690b73..000000000
--- a/examples/obsolete/device/src/msc_device_ramdisk.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     msc_device_ramdisk.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "msc_device_app.h"
-
-#if CFG_TUD_MSC && defined (MSCD_APP_RAMDISK)
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-CFG_TUSB_MEM_SECTION
-uint8_t msc_device_ramdisk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
-{
-  //------------- Boot Sector -------------//
-  // byte_per_sector    = DISK_BLOCK_SIZE; fat12_sector_num_16  = DISK_BLOCK_NUM;
-  // sector_per_cluster = 1; reserved_sectors = 1;
-  // fat_num            = 1; fat12_root_entry_num = 16;
-  // sector_per_fat     = 1; sector_per_track = 1; head_num = 1; hidden_sectors = 0;
-  // drive_number       = 0x80; media_type = 0xf8; extended_boot_signature = 0x29;
-  // filesystem_type    = "FAT12   "; volume_serial_number = 0x1234; volume_label = "tinyusb msc";
-  [0] =
-  {
-      0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
-      0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
-      0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 0x74, 0x69, 0x6E, 0x79, 0x75,
-      0x73, 0x62, 0x20, 0x6D, 0x73, 0x63, 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
-      [510] = 0x55, [511] = 0xAA // FAT magic code
-  },
-
-  //------------- FAT12 Table -------------//
-  [1] =
-  {
-      0xF8, 0xFF, 0xFF, 0xFF, 0x0F // // first 2 entries must be F8FF, third entry is cluster end of readme file
-  },
-
-  //------------- Root Directory -------------//
-  [2] =
-  {
-      // first entry is volume label
-      0x54, 0x49, 0x4E, 0x59, 0x55, 0x53, 0x42, 0x20, 0x4D, 0x53, 0x43, 0x08, 0x00, 0x00, 0x00, 0x00,
-      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-      // second entry is readme file
-      'R' , 'E' , 'A' , 'D' , 'M' , 'E' , ' ' , ' ' , 'T' , 'X' , 'T' , 0x20, 0x00, 0xC6, 0x52, 0x6D,
-      0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
-      sizeof(README_CONTENTS)-1, 0x00, 0x00, 0x00 // readme's filesize (4 Bytes)
-  },
-
-  //------------- Readme Content -------------//
-  [3] = README_CONTENTS
-};
-
-//--------------------------------------------------------------------+
-// IMPLEMENTATION
-//--------------------------------------------------------------------+
-int32_t tud_msc_read10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
-{
-  (void) rhport; (void) lun;
-
-  uint8_t* addr = msc_device_ramdisk[lba] + offset;
-  memcpy(buffer, (uint8_t*) addr, bufsize);
-
-  return bufsize;
-}
-
-int32_t tud_msc_write10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
-{
-  (void) rhport; (void) lun;
-
-  uint8_t* addr = msc_device_ramdisk[lba] + offset;
-  memcpy(addr, buffer, bufsize);
-
-  return bufsize;
-}
-
-#endif
diff --git a/examples/obsolete/device/src/msc_device_romdisk.c b/examples/obsolete/device/src/msc_device_romdisk.c
deleted file mode 100644
index 1e6ca1bc3..000000000
--- a/examples/obsolete/device/src/msc_device_romdisk.c
+++ /dev/null
@@ -1,119 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     msc_device_romdisk.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "msc_device_app.h"
-
-#if CFG_TUD_MSC && defined (MSCD_APP_ROMDISK)
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
-//--------------------------------------------------------------------+
-const uint8_t msc_device_app_rommdisk[DISK_BLOCK_NUM][DISK_BLOCK_SIZE] =
-{
-  //------------- Boot Sector -------------//
-  // byte_per_sector    = DISK_BLOCK_SIZE; fat12_sector_num_16  = DISK_BLOCK_NUM;
-  // sector_per_cluster = 1; reserved_sectors = 1;
-  // fat_num            = 1; fat12_root_entry_num = 16;
-  // sector_per_fat     = 1; sector_per_track = 1; head_num = 1; hidden_sectors = 0;
-  // drive_number       = 0x80; media_type = 0xf8; extended_boot_signature = 0x29;
-  // filesystem_type    = "FAT12   "; volume_serial_number = 0x1234; volume_label = "tinyusb msc";
-  [0] =
-  {
-      0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x01, 0x01, 0x00,
-      0x01, 0x10, 0x00, 0x10, 0x00, 0xF8, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
-      0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0x34, 0x12, 0x00, 0x00, 0x74, 0x69, 0x6E, 0x79, 0x75,
-      0x73, 0x62, 0x20, 0x6D, 0x73, 0x63, 0x46, 0x41, 0x54, 0x31, 0x32, 0x20, 0x20, 0x20, 0x00, 0x00,
-      [510] = 0x55, [511] = 0xAA // FAT magic code
-  },
-
-  //------------- FAT12 Table -------------//
-  [1] =
-  {
-      0xF8, 0xFF, 0xFF, 0xFF, 0x0F // first 2 entries must be F8FF, third entry is cluster end of readme file
-  },
-
-  //------------- Root Directory -------------//
-  [2] =
-  {
-      // first entry is volume label
-      0x54, 0x49, 0x4E, 0x59, 0x55, 0x53, 0x42, 0x20, 0x4D, 0x53, 0x43, 0x08, 0x00, 0x00, 0x00, 0x00,
-      0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4F, 0x6D, 0x65, 0x43, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-      // second entry is readme file
-      0x52, 0x45, 0x41, 0x44, 0x4D, 0x45, 0x20, 0x20, 0x54, 0x58, 0x54, 0x20, 0x00, 0xC6, 0x52, 0x6D,
-      0x65, 0x43, 0x65, 0x43, 0x00, 0x00, 0x88, 0x6D, 0x65, 0x43, 0x02, 0x00,
-      sizeof(README_CONTENTS)-1, 0x00, 0x00, 0x00 // readme's filesize
-  },
-
-  //------------- Readme Content -------------//
-  [3] = README_CONTENTS
-};
-
-//--------------------------------------------------------------------+
-// IMPLEMENTATION
-//--------------------------------------------------------------------+
-int32_t tud_msc_read10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
-{
-  (void) rhport; (void) lun;
-
-  uint8_t* addr = msc_device_ramdisk[lba] + offset;
-  memcpy(buffer, (uint8_t*) addr, bufsize);
-
-  return bufsize;
-}
-
-
-// Stall write10 by return 0, as this is readonly disk
-int32_t tud_msc_write10_cb (uint8_t lun, uint32_t lba, uint32_t offset, void* buffer, uint32_t bufsize)
-{
-  (void) rhport; (void) lun;
-
-  // let host know that this is read-only disk
-  mscd_sense_data.sense_key = SCSI_SENSEKEY_DATA_PROTECT;
-  return 0;
-}
-
-#endif
-
diff --git a/examples/obsolete/device/src/tusb_config.h b/examples/obsolete/device/src/tusb_config.h
deleted file mode 100644
index 2fd35102f..000000000
--- a/examples/obsolete/device/src/tusb_config.h
+++ /dev/null
@@ -1,144 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     tusb_config.h
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-//--------------------------------------------------------------------+
-// CONTROLLER CONFIGURATION
-//--------------------------------------------------------------------+
-//#define CFG_TUSB_MCU will be passed from IDE/command line for easy board/mcu switching
-
-#define CFG_TUSB_RHPORT0_MODE  (OPT_MODE_DEVICE)
-//#define CFG_TUSB_RHPORT1_MODE  (OPT_MODE_DEVICE)
-
-#define CFG_TUSB_DEBUG            2
-
-/*------------- RTOS -------------*/
-//#define CFG_TUSB_OS               OPT_OS_NONE // be passed from IDE/command line for easy project switching
-
-//--------------------------------------------------------------------+
-// DEVICE CONFIGURATION
-//--------------------------------------------------------------------+
-
-/*------------- Core -------------*/
-#define CFG_TUD_DESC_AUTO         1
-
-// #define CFG_TUD_DESC_VID          0xCAFE
-// #define CFG_TUD_DESC_PID          0x0001
-
-#define CFG_TUD_ENDOINT0_SIZE     64
-
-//------------- CLASS -------------//
-#define CFG_TUD_MSC               1
-#define CFG_TUD_CDC               1
-#define CFG_TUD_HID_KEYBOARD      0
-#define CFG_TUD_HID_MOUSE         0
-
-/*------------------------------------------------------------------*/
-/* CLASS DRIVER
- *------------------------------------------------------------------*/
-
-// FIFO size of CDC TX and RX
-#define CFG_TUD_CDC_RX_BUFSIZE    128
-#define CFG_TUD_CDC_TX_BUFSIZE    128
-
-// Number of supported Logical Unit Number (At least 1)
-#define CFG_TUD_MSC_MAXLUN        1
-
-// Buffer size of Device Mass storage
-#define CFG_TUD_MSC_BUFSIZE       512
-
-//--------------------------------------------------------------------+
-// USB RAM PLACEMENT
-//--------------------------------------------------------------------+
-#ifdef __CODE_RED // compiled with lpcxpresso
-
-  #if (CFG_TUSB_MCU == OPT_MCU_LPC11UXX) || (CFG_TUSB_MCU == OPT_MCU_LPC13XX)
-    #define CFG_TUSB_MEM_SECTION  ATTR_SECTION(.data.$RAM2) ATTR_ALIGNED(64) // lp11u & lp13u requires data to be 64 byte aligned
-  #elif CFG_TUSB_MCU == OPT_MCU_LPC175X_6X
-    #define CFG_TUSB_MEM_SECTION // LPC17xx USB DMA can access all
-  #elif  (CFG_TUSB_MCU == OPT_MCU_LPC43XX)
-    #define CFG_TUSB_MEM_SECTION  ATTR_SECTION(.data.$RAM3)
-  #endif
-
-#elif defined  __CC_ARM // Compiled with Keil armcc, USBRAM_SECTION is defined in scatter files
-
-  #if (CFG_TUSB_MCU == OPT_MCU_LPC11UXX) || (CFG_TUSB_MCU == OPT_MCU_LPC13XX)
-    #define CFG_TUSB_MEM_SECTION  ATTR_SECTION(USBRAM_SECTION) ATTR_ALIGNED(64) // lp11u & lp13u requires data to be 64 byte aligned
-  #elif (CFG_TUSB_MCU == OPT_MCU_LPC175X_6X)
-    #define CFG_TUSB_MEM_SECTION  // LPC17xx USB DMA can access all address
-  #elif  (CFG_TUSB_MCU == OPT_MCU_LPC43XX)
-    #define CFG_TUSB_MEM_SECTION // Use keil tool configure to have AHB SRAM as default memory
-  #endif
-
-#elif defined __ICCARM__ // compiled with IAR
-
-  #if (CFG_TUSB_MCU == OPT_MCU_LPC11UXX) || (CFG_TUSB_MCU == OPT_MCU_LPC13XX)
-    #define CFG_TUSB_MEM_SECTION _Pragma("location=\"USB_PACKET_MEMORY\"") ATTR_ALIGNED(64)
-  #elif (CFG_TUSB_MCU == OPT_MCU_LPC175X_6X)
-    #define CFG_TUSB_MEM_SECTION
-  #elif  (CFG_TUSB_MCU == OPT_MCU_LPC43XX)
-    #define CFG_TUSB_MEM_SECTION _Pragma("location=\".ahb_sram1\"")
-  #endif
-
-#else
-
-  #error compiler not specified
-
-#endif
-
-// LPC11uxx and LPC13uxx requires each buffer has to be 64-byte alignment
-#if CFG_TUSB_MCU == OPT_MCU_LPC11UXX || CFG_TUSB_MCU == OPT_MCU_LPC13XX
- #define CFG_TUSB_MEM_ALIGN   ATTR_ALIGNED(64)
-#elif CFG_TUSB_MCU == OPT_MCU_NRF5X
- #define CFG_TUSB_MEM_ALIGN   ATTR_ALIGNED(4)
-#else
- #define CFG_TUSB_MEM_ALIGN
-#endif
-
-
-#ifdef __cplusplus
- }
-#endif
-
-#endif /* _TUSB_CONFIG_H_ */
diff --git a/examples/obsolete/device/src/tusb_descriptors.c b/examples/obsolete/device/src/tusb_descriptors.c
deleted file mode 100644
index 2ba5434cc..000000000
--- a/examples/obsolete/device/src/tusb_descriptors.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/**************************************************************************/
-/*!
-    @file     tusb_descriptors.c
-    @author   hathach (tinyusb.org)
-
-    @section LICENSE
-
-    Software License Agreement (BSD License)
-
-    Copyright (c) 2013, hathach (tinyusb.org)
-    All rights reserved.
-
-    Redistribution and use in source and binary forms, with or without
-    modification, are permitted provided that the following conditions are met:
-    1. Redistributions of source code must retain the above copyright
-    notice, this list of conditions and the following disclaimer.
-    2. Redistributions in binary form must reproduce the above copyright
-    notice, this list of conditions and the following disclaimer in the
-    documentation and/or other materials provided with the distribution.
-    3. Neither the name of the copyright holders nor the
-    names of its contributors may be used to endorse or promote products
-    derived from this software without specific prior written permission.
-
-    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
-    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
-    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-    INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
-    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-    INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
-    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-    This file is part of the tinyusb stack.
-*/
-/**************************************************************************/
-
-#include "tusb.h"
-
-//--------------------------------------------------------------------+
-// STRING DESCRIPTORS
-//--------------------------------------------------------------------+
-#define STRING_LEN_UNICODE(n) (2 + (2*(n))) // also includes 2 byte header
-#define ENDIAN_BE16_FROM( high, low) ENDIAN_BE16(high << 8 | low)
-
-// array of pointer to string descriptors
-uint16_t const * const string_desc_arr [] =
-{
-    [0] = (uint16_t []) { // supported language
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(1), TUSB_DESC_STRING ),
-        0x0409 // English
-    },
-
-    [1] = (uint16_t []) { // manufacturer
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(11), TUSB_DESC_STRING),
-        't', 'i', 'n', 'y', 'u', 's', 'b', '.', 'o', 'r', 'g' // len = 11
-    },
-
-    [2] = (uint16_t []) { // product
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(14), TUSB_DESC_STRING),
-        't', 'i', 'n', 'y', 'u', 's', 'b', ' ', 'd', 'e', 'v', 'i', 'c', 'e' // len = 14
-    },
-
-    [3] = (uint16_t []) { // serials
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(4), TUSB_DESC_STRING),
-        '1', '2', '3', '4' // len = 4
-    },
-
-    [4] = (uint16_t []) { // CDC Interface
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(3), TUSB_DESC_STRING),
-        'c', 'd', 'c' // len = 3
-    },
-
-    [5] = (uint16_t []) { // Keyboard Interface
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(5), TUSB_DESC_STRING),
-        'm', 'o', 'u', 's', 'e' // len = 5
-    },
-
-    [6] = (uint16_t []) { // Keyboard Interface
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(8), TUSB_DESC_STRING),
-        'k', 'e', 'y', 'b', 'o', 'a', 'r', 'd' // len = 8
-    },
-
-    [7] = (uint16_t []) { // MSC Interface
-        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(3), TUSB_DESC_STRING),
-        'm', 's', 'c' // len = 3
-    }
-};
-
-
-// tud_desc_set is required by tinyusb stack
-// since CFG_TUD_DESC_AUTO is enabled, we only need to set string_arr
-tud_desc_set_t tud_desc_set =
-{
-    .device     = NULL,
-    .config     = NULL,
-    .string_arr = (uint8_t const **) string_desc_arr,
-    .hid_report = NULL
-};