add new example device_virtual_com

8 files changed, 1400 insertions, 0 deletions

diff --git a/examples/device/device_virtual_com/src/cdc_device_app.c b/examples/device/device_virtual_com/src/cdc_device_app.c
new file mode 100644
index 000000000..cbc4f4ffe
--- /dev/null
+++ b/examples/device/device_virtual_com/src/cdc_device_app.c
@@ -0,0 +1,166 @@
+/**************************************************************************/
+/*!
+    @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 TUSB_CFG_DEVICE_CDC
+
+#include "common/fifo.h" // TODO refractor
+#include "app_os_prio.h"
+
+//--------------------------------------------------------------------+
+// INCLUDE
+//--------------------------------------------------------------------+
+enum { SERIAL_BUFFER_SIZE = 64 };
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+static osal_semaphore_t sem_hdl;
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+TUSB_CFG_ATTR_USBRAM static uint8_t serial_rx_buffer[SERIAL_BUFFER_SIZE];
+TUSB_CFG_ATTR_USBRAM static uint8_t serial_tx_buffer[SERIAL_BUFFER_SIZE];
+
+FIFO_DEF(fifo_serial, SERIAL_BUFFER_SIZE, uint8_t, true);
+
+//--------------------------------------------------------------------+
+// tinyusb callbacks
+//--------------------------------------------------------------------+
+void cdc_serial_app_mount(uint8_t coreid)
+{
+  osal_semaphore_reset(sem_hdl);
+
+  tud_cdc_receive(coreid, serial_rx_buffer, SERIAL_BUFFER_SIZE, true);
+}
+
+void cdc_serial_app_umount(uint8_t coreid)
+{
+
+}
+
+void tud_cdc_xfer_cb(uint8_t coreid, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes)
+{
+  switch ( pipe_id )
+  {
+    case CDC_PIPE_DATA_OUT:
+      switch(event)
+      {
+        case TUSB_EVENT_XFER_COMPLETE:
+          for(uint8_t i=0; i<xferred_bytes; i++)
+          {
+            fifo_write(&fifo_serial, serial_rx_buffer+i);
+          }
+          osal_semaphore_post(sem_hdl);  // notify main task
+        break;
+
+        case TUSB_EVENT_XFER_ERROR:
+          tud_cdc_receive(0, serial_rx_buffer, SERIAL_BUFFER_SIZE, true); // ignore, queue transfer again
+        break;
+
+        case TUSB_EVENT_XFER_STALLED:
+        default :
+        break;
+      }
+    break;
+
+    case CDC_PIPE_DATA_IN:
+    case CDC_PIPE_NOTIFICATION:
+    default:
+    break;
+  }
+}
+
+//--------------------------------------------------------------------+
+// APPLICATION CODE
+//--------------------------------------------------------------------+
+void cdc_serial_app_init(void)
+{
+  sem_hdl = osal_semaphore_create(1, 0);
+  VERIFY(sem_hdl, );
+
+  osal_task_create(cdc_serial_app_task, "cdc", 128, NULL, CDC_SERIAL_APP_TASK_PRIO);
+}
+
+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
+
+  tusb_error_t error;
+
+  osal_semaphore_wait(sem_hdl, OSAL_TIMEOUT_WAIT_FOREVER, &error);
+  (void) error; // suppress compiler's warnings
+
+  if ( tud_mounted(0) )
+  {
+    // echo back data in the fifo
+    if ( !tud_cdc_busy(0, CDC_PIPE_DATA_IN) )
+    {
+      uint16_t count=0;
+      while( fifo_read(&fifo_serial, &serial_tx_buffer[count]) )
+      {
+        count++;
+      }
+
+      if (count)
+      {
+        tud_cdc_send(0, serial_tx_buffer, count, false);
+      }
+    }
+
+    // getting more data from host
+    tud_cdc_receive(0, serial_rx_buffer, SERIAL_BUFFER_SIZE, true);
+  }
+
+  OSAL_SUBTASK_END
+}
+
+#endif
diff --git a/examples/device/device_virtual_com/src/cdc_device_app.h b/examples/device/device_virtual_com/src/cdc_device_app.h
new file mode 100644
index 000000000..5433da207
--- /dev/null
+++ b/examples/device/device_virtual_com/src/cdc_device_app.h
@@ -0,0 +1,80 @@
+/**************************************************************************/
+/*!
+    @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 TUSB_CFG_DEVICE_CDC
+
+void cdc_serial_app_init(void);
+void cdc_serial_app_task(void* param);
+
+void cdc_serial_app_mount(uint8_t coreid);
+void cdc_serial_app_umount(uint8_t coreid);
+
+#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/device/device_virtual_com/src/main.c b/examples/device/device_virtual_com/src/main.c
new file mode 100644
index 000000000..6c55dfb7f
--- /dev/null
+++ b/examples/device/device_virtual_com/src/main.c
@@ -0,0 +1,133 @@
+/**************************************************************************/
+/*!
+    @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 "tusb.h"
+
+#include "cdc_device_app.h"
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+void print_greeting(void);
+
+#if TUSB_CFG_OS == TUSB_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_runner();
+    led_blinking_task(NULL);
+    cdc_serial_app_task(NULL);
+  }
+}
+#endif
+
+int main(void)
+{
+  board_init();
+  print_greeting();
+
+  tusb_init();
+
+  //------------- application task init -------------//
+  led_blinking_init();
+  cdc_serial_app_init();
+
+  while (1)
+  {
+    tusb_task_runner();
+
+    led_blinking_task(NULL);
+    cdc_serial_app_task(NULL);
+  }
+
+  return 0;
+}
+
+//--------------------------------------------------------------------+
+// tinyusb callbacks
+//--------------------------------------------------------------------+
+void tud_mount_cb(uint8_t coreid)
+{
+  cdc_serial_app_mount(coreid);
+}
+
+void tud_umount_cb(uint8_t coreid)
+{
+  cdc_serial_app_umount(coreid);
+}
+
+//--------------------------------------------------------------------+
+// HELPER FUNCTION
+//--------------------------------------------------------------------+
+void print_greeting(void)
+{
+  char const * const rtos_name[] =
+  {
+      [TUSB_OS_NONE]      = "None",
+      [TUSB_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[TUSB_CFG_OS]);
+  if (TUSB_CFG_DEVICE_HID_MOUSE    ) puts("  - HID Mouse");
+  if (TUSB_CFG_DEVICE_HID_KEYBOARD ) puts("  - HID Keyboard");
+  if (TUSB_CFG_DEVICE_MSC          ) puts("  - Mass Storage");
+  if (TUSB_CFG_DEVICE_CDC          ) puts("  - Communication Device Class");
+}
diff --git a/examples/device/device_virtual_com/src/tusb_config.h b/examples/device/device_virtual_com/src/tusb_config.h
new file mode 100644
index 000000000..37f2ae04a
--- /dev/null
+++ b/examples/device/device_virtual_com/src/tusb_config.h
@@ -0,0 +1,121 @@
+/**************************************************************************/
+/*!
+    @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_TUSB_CONFIG_H_
+#define _TUSB_TUSB_CONFIG_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// CONTROLLER CONFIGURATION
+//--------------------------------------------------------------------+
+//#define TUSB_CFG_MCU will be passed from IDE/command line for easy board/mcu switching
+
+#define TUSB_CFG_CONTROLLER_0_MODE  (TUSB_MODE_DEVICE)
+//#define TUSB_CFG_CONTROLLER_1_MODE  (TUSB_MODE_DEVICE)
+
+//--------------------------------------------------------------------+
+// DEVICE CONFIGURATION
+//--------------------------------------------------------------------+
+#define TUSB_CFG_DEVICE_CONTROL_ENDOINT_SIZE    64
+
+//------------- CLASS -------------//
+#define TUSB_CFG_DEVICE_HID_KEYBOARD            0
+#define TUSB_CFG_DEVICE_HID_MOUSE               0
+#define TUSB_CFG_DEVICE_HID_GENERIC             0 // not supported yet
+#define TUSB_CFG_DEVICE_MSC                     0
+#define TUSB_CFG_DEVICE_CDC                     1
+
+//--------------------------------------------------------------------+
+// COMMON CONFIGURATION
+//--------------------------------------------------------------------+
+#define TUSB_CFG_DEBUG                2
+
+//#define TUSB_CFG_OS                   TUSB_OS_NONE // be passed from IDE/command line for easy project switching
+//#define TUSB_CFG_OS_TASK_PRIO         0            // be passed from IDE/command line for easy project switching
+#define TUSB_CFG_TICKS_HZ             1000
+
+//#define TUSB_CFG_OS       TUSB_OS_NONE
+
+//--------------------------------------------------------------------+
+// USB RAM PLACEMENT
+//--------------------------------------------------------------------+
+#ifdef __CODE_RED // compiled with lpcxpresso
+
+  #if (TUSB_CFG_MCU == MCU_LPC11UXX) || (TUSB_CFG_MCU == MCU_LPC13UXX)
+    #define TUSB_CFG_ATTR_USBRAM  ATTR_SECTION(.data.$RAM2) ATTR_ALIGNED(64) // lp11u & lp13u requires data to be 64 byte aligned
+  #elif TUSB_CFG_MCU == MCU_LPC175X_6X
+    #define TUSB_CFG_ATTR_USBRAM // LPC17xx USB DMA can access all
+  #elif  (TUSB_CFG_MCU == MCU_LPC43XX)
+    #define TUSB_CFG_ATTR_USBRAM  ATTR_SECTION(.data.$RAM3)
+  #endif
+
+#elif defined  __CC_ARM // Compiled with Keil armcc, USBRAM_SECTION is defined in scatter files
+
+  #if (TUSB_CFG_MCU == MCU_LPC11UXX) || (TUSB_CFG_MCU == MCU_LPC13UXX)
+    #define TUSB_CFG_ATTR_USBRAM  ATTR_SECTION(USBRAM_SECTION) ATTR_ALIGNED(64) // lp11u & lp13u requires data to be 64 byte aligned
+  #elif (TUSB_CFG_MCU == MCU_LPC175X_6X)
+    #define TUSB_CFG_ATTR_USBRAM  // LPC17xx USB DMA can access all address
+  #elif  (TUSB_CFG_MCU == MCU_LPC43XX)
+    #define TUSB_CFG_ATTR_USBRAM // Use keil tool configure to have AHB SRAM as default memory
+  #endif
+
+#elif defined __ICCARM__ // compiled with IAR
+
+  #if (TUSB_CFG_MCU == MCU_LPC11UXX) || (TUSB_CFG_MCU == MCU_LPC13UXX)
+    #define TUSB_CFG_ATTR_USBRAM _Pragma("location=\"USB_PACKET_MEMORY\"") ATTR_ALIGNED(64)
+  #elif (TUSB_CFG_MCU == MCU_LPC175X_6X)
+    #define TUSB_CFG_ATTR_USBRAM
+  #elif  (TUSB_CFG_MCU == MCU_LPC43XX)
+    #define TUSB_CFG_ATTR_USBRAM _Pragma("location=\".ahb_sram1\"")
+  #endif
+
+#else
+
+  #error compiler not specified
+
+#endif
+
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_TUSB_CONFIG_H_ */
diff --git a/examples/device/device_virtual_com/src/tusb_descriptors.c b/examples/device/device_virtual_com/src/tusb_descriptors.c
new file mode 100644
index 000000000..82d9d1fbe
--- /dev/null
+++ b/examples/device/device_virtual_com/src/tusb_descriptors.c
@@ -0,0 +1,475 @@
+/**************************************************************************/
+/*!
+    @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_descriptors.h"
+
+//--------------------------------------------------------------------+
+// Keyboard Report Descriptor
+//--------------------------------------------------------------------+
+#if TUSB_CFG_DEVICE_HID_KEYBOARD
+uint8_t const desc_keyboard_report[] = {
+  HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP     ),
+  HID_USAGE      ( HID_USAGE_DESKTOP_KEYBOARD ),
+  HID_COLLECTION ( HID_COLLECTION_APPLICATION ),
+    HID_USAGE_PAGE ( HID_USAGE_PAGE_KEYBOARD ),
+      HID_USAGE_MIN    ( 224                                    ),
+      HID_USAGE_MAX    ( 231                                    ),
+      HID_LOGICAL_MIN  ( 0                                      ),
+      HID_LOGICAL_MAX  ( 1                                      ),
+
+      HID_REPORT_SIZE  ( 1                                      ),
+      HID_REPORT_COUNT ( 8                                      ), /* 8 bits */
+      HID_INPUT        ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ), /* maskable modifier key */
+
+      HID_REPORT_SIZE  ( 8                                      ),
+      HID_REPORT_COUNT ( 1                                      ),
+      HID_INPUT        ( HID_CONSTANT                           ), /* reserved */
+
+    HID_USAGE_PAGE  ( HID_USAGE_PAGE_LED                   ),
+      HID_USAGE_MIN    ( 1                                       ),
+      HID_USAGE_MAX    ( 5                                       ),
+      HID_REPORT_COUNT ( 5                                       ),
+      HID_REPORT_SIZE  ( 1                                       ),
+      HID_OUTPUT       ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE  ), /* 5-bit Led report */
+
+      HID_REPORT_SIZE  ( 3                                       ), /* led padding */
+      HID_REPORT_COUNT ( 1                                       ),
+      HID_OUTPUT       ( HID_CONSTANT                            ),
+
+    HID_USAGE_PAGE (HID_USAGE_PAGE_KEYBOARD),
+      HID_USAGE_MIN    ( 0                                   ),
+      HID_USAGE_MAX    ( 101                                 ),
+      HID_LOGICAL_MIN  ( 0                                   ),
+      HID_LOGICAL_MAX  ( 101                                 ),
+
+      HID_REPORT_SIZE  ( 8                                   ),
+      HID_REPORT_COUNT ( 6                                   ),
+      HID_INPUT        ( HID_DATA | HID_ARRAY | HID_ABSOLUTE ), /* keycodes array 6 items */
+  HID_COLLECTION_END
+};
+#endif
+
+//--------------------------------------------------------------------+
+// Mouse Report Descriptor
+//--------------------------------------------------------------------+
+#if TUSB_CFG_DEVICE_HID_MOUSE
+uint8_t const desc_mouse_report[] = {
+  HID_USAGE_PAGE ( HID_USAGE_PAGE_DESKTOP     ),
+  HID_USAGE      ( HID_USAGE_DESKTOP_MOUSE    ),
+  HID_COLLECTION ( HID_COLLECTION_APPLICATION ),
+    HID_USAGE      (HID_USAGE_DESKTOP_POINTER),
+
+    HID_COLLECTION ( HID_COLLECTION_PHYSICAL ),
+      HID_USAGE_PAGE  ( HID_USAGE_PAGE_BUTTON ),
+        HID_USAGE_MIN    ( 1                                      ),
+        HID_USAGE_MAX    ( 3                                      ),
+        HID_LOGICAL_MIN  ( 0                                      ),
+        HID_LOGICAL_MAX  ( 1                                      ),
+
+        HID_REPORT_SIZE  ( 1                                      ),
+        HID_REPORT_COUNT ( 3                                      ), /* Left, Right and Middle mouse*/
+        HID_INPUT        ( HID_DATA | HID_VARIABLE | HID_ABSOLUTE ),
+
+        HID_REPORT_SIZE  ( 5                                      ),
+        HID_REPORT_COUNT ( 1                                      ),
+        HID_INPUT        ( HID_CONSTANT                           ), /* 5 bit padding followed 3 bit buttons */
+
+      HID_USAGE_PAGE  ( HID_USAGE_PAGE_DESKTOP ),
+        HID_USAGE        ( HID_USAGE_DESKTOP_X                    ),
+        HID_USAGE        ( HID_USAGE_DESKTOP_Y                    ),
+        HID_LOGICAL_MIN  ( 0x81                                   ), /* -127 */
+        HID_LOGICAL_MAX  ( 0x7f                                   ), /* 127  */
+
+        HID_REPORT_SIZE  ( 8                                      ),
+        HID_REPORT_COUNT ( 2                                      ), /* X, Y position */
+        HID_INPUT        ( HID_DATA | HID_VARIABLE | HID_RELATIVE ), /* relative values */
+
+        HID_USAGE       ( HID_USAGE_DESKTOP_WHEEL                ), /* mouse scroll */
+        HID_LOGICAL_MIN ( 0x81                                   ), /* -127 */
+        HID_LOGICAL_MAX ( 0x7f                                   ), /* 127  */
+        HID_REPORT_COUNT( 1                                      ),
+        HID_REPORT_SIZE ( 8                                      ), /* 8-bit value */
+        HID_INPUT       ( HID_DATA | HID_VARIABLE | HID_RELATIVE ), /* relative values */
+
+    HID_COLLECTION_END,
+
+  HID_COLLECTION_END
+};
+#endif
+
+//--------------------------------------------------------------------+
+// USB DEVICE DESCRIPTOR
+//--------------------------------------------------------------------+
+tusb_descriptor_device_t const desc_device =
+{
+    .bLength            = sizeof(tusb_descriptor_device_t),
+    .bDescriptorType    = TUSB_DESC_TYPE_DEVICE,
+    .bcdUSB             = 0x0200,
+  #if TUSB_CFG_DEVICE_CDC
+    // Use Interface Association Descriptor (IAD) for CDC
+    // As required by USB Specs IAD's subclass must be common class (2) and protocol must be IAD (1)
+    .bDeviceClass       = TUSB_CLASS_MISC,
+    .bDeviceSubClass    = MISC_SUBCLASS_COMMON,
+    .bDeviceProtocol    = MISC_PROTOCOL_IAD,
+  #else
+    .bDeviceClass       = 0x00,
+    .bDeviceSubClass    = 0x00,
+    .bDeviceProtocol    = 0x00,
+  #endif
+
+    .bMaxPacketSize0    = TUSB_CFG_DEVICE_CONTROL_ENDOINT_SIZE,
+
+    .idVendor           = CFG_VENDORID,
+    .idProduct          = CFG_PRODUCTID,
+    .bcdDevice          = 0x0100,
+
+    .iManufacturer      = 0x01,
+    .iProduct           = 0x02,
+    .iSerialNumber      = 0x03,
+
+    .bNumConfigurations = 0x01 // TODO multiple configurations
+};
+
+//--------------------------------------------------------------------+
+// USB COFNIGURATION DESCRIPTOR
+//--------------------------------------------------------------------+
+app_descriptor_configuration_t const desc_configuration =
+{
+    .configuration =
+    {
+        .bLength             = sizeof(tusb_descriptor_configuration_t),
+        .bDescriptorType     = TUSB_DESC_TYPE_CONFIGURATION,
+
+        .wTotalLength        = sizeof(app_descriptor_configuration_t),
+        .bNumInterfaces      = TOTAL_INTEFACES,
+
+        .bConfigurationValue = 1,
+        .iConfiguration      = 0x00,
+        .bmAttributes        = TUSB_DESC_CONFIG_ATT_BUS_POWER,
+        .bMaxPower           = TUSB_DESC_CONFIG_POWER_MA(500)
+    },
+
+    #if TUSB_CFG_DEVICE_CDC
+    // IAD points to CDC Interfaces
+    .cdc_iad =
+    {
+        .bLength           = sizeof(tusb_descriptor_interface_association_t),
+        .bDescriptorType   = TUSB_DESC_TYPE_INTERFACE_ASSOCIATION,
+
+        .bFirstInterface   = INTERFACE_NO_CDC,
+        .bInterfaceCount   = 2,
+
+        .bFunctionClass    = TUSB_CLASS_CDC,
+        .bFunctionSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
+        .bFunctionProtocol = CDC_COMM_PROTOCOL_ATCOMMAND,
+        .iFunction         = 0
+    },
+
+    //------------- CDC Communication Interface -------------//
+    .cdc_comm_interface =
+    {
+        .bLength            = sizeof(tusb_descriptor_interface_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
+        .bInterfaceNumber   = INTERFACE_NO_CDC,
+        .bAlternateSetting  = 0,
+        .bNumEndpoints      = 1,
+        .bInterfaceClass    = TUSB_CLASS_CDC,
+        .bInterfaceSubClass = CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL,
+        .bInterfaceProtocol = CDC_COMM_PROTOCOL_ATCOMMAND,
+        .iInterface         = 0x00
+    },
+
+    .cdc_header =
+    {
+        .bLength            = sizeof(cdc_desc_func_header_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
+        .bDescriptorSubType = CDC_FUNC_DESC_HEADER,
+        .bcdCDC             = 0x0120
+    },
+
+    .cdc_call =
+    {
+        .bLength            = sizeof(cdc_desc_func_call_management_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
+        .bDescriptorSubType = CDC_FUNC_DESC_CALL_MANAGEMENT,
+        .bmCapabilities     = { 0 },
+        .bDataInterface     = INTERFACE_NO_CDC+1,
+    },
+
+    .cdc_acm =
+    {
+        .bLength            = sizeof(cdc_desc_func_abstract_control_management_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
+        .bDescriptorSubType = CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT,
+        .bmCapabilities     = { // 0x02
+            .support_line_request = 1,
+        }
+    },
+
+    .cdc_union =
+    {
+        .bLength                  = sizeof(cdc_desc_func_union_t), // plus number of
+        .bDescriptorType          = TUSB_DESC_TYPE_INTERFACE_CLASS_SPECIFIC,
+        .bDescriptorSubType       = CDC_FUNC_DESC_UNION,
+        .bControlInterface        = INTERFACE_NO_CDC,
+        .bSubordinateInterface    = INTERFACE_NO_CDC+1,
+    },
+
+    .cdc_endpoint_notification =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = CDC_EDPT_NOTIFICATION_ADDR,
+        .bmAttributes     = { .xfer = TUSB_XFER_INTERRUPT },
+        .wMaxPacketSize   = { .size = 0x08 },
+        .bInterval        = 0x10
+    },
+
+    //------------- CDC Data Interface -------------//
+    .cdc_data_interface =
+    {
+        .bLength            = sizeof(tusb_descriptor_interface_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
+        .bInterfaceNumber   = INTERFACE_NO_CDC+1,
+        .bAlternateSetting  = 0x00,
+        .bNumEndpoints      = 2,
+        .bInterfaceClass    = TUSB_CLASS_CDC_DATA,
+        .bInterfaceSubClass = 0,
+        .bInterfaceProtocol = 0,
+        .iInterface         = 0x04
+    },
+
+    .cdc_endpoint_out =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = CDC_EDPT_DATA_OUT_ADDR,
+        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
+        .wMaxPacketSize   = { .size = CDC_EDPT_DATA_PACKETSIZE },
+        .bInterval        = 0
+    },
+
+    .cdc_endpoint_in =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = CDC_EDPT_DATA_IN_ADDR,
+        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
+        .wMaxPacketSize   = { .size = CDC_EDPT_DATA_PACKETSIZE },
+        .bInterval        = 0
+    },
+    #endif
+
+    //------------- HID Keyboard -------------//
+    #if TUSB_CFG_DEVICE_HID_KEYBOARD
+    .keyboard_interface =
+    {
+        .bLength            = sizeof(tusb_descriptor_interface_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
+        .bInterfaceNumber   = INTERFACE_NO_HID_KEYBOARD,
+        .bAlternateSetting  = 0x00,
+        .bNumEndpoints      = 1,
+        .bInterfaceClass    = TUSB_CLASS_HID,
+        .bInterfaceSubClass = HID_SUBCLASS_BOOT,
+        .bInterfaceProtocol = HID_PROTOCOL_KEYBOARD,
+        .iInterface         = 0x05
+    },
+
+    .keyboard_hid =
+    {
+        .bLength           = sizeof(tusb_hid_descriptor_hid_t),
+        .bDescriptorType   = HID_DESC_TYPE_HID,
+        .bcdHID            = 0x0111,
+        .bCountryCode      = HID_Local_NotSupported,
+        .bNumDescriptors   = 1,
+        .bReportType       = HID_DESC_TYPE_REPORT,
+        .wReportLength     = sizeof(desc_keyboard_report)
+    },
+
+    .keyboard_endpoint =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = HID_KEYBOARD_EDPT_ADDR,
+        .bmAttributes     = { .xfer = TUSB_XFER_INTERRUPT },
+        .wMaxPacketSize   = { .size = HID_KEYBOARD_EDPT_PACKETSIZE },
+        .bInterval        = 0x0A
+    },
+    #endif
+
+    //------------- HID Mouse -------------//
+    #if TUSB_CFG_DEVICE_HID_MOUSE
+    .mouse_interface =
+    {
+        .bLength            = sizeof(tusb_descriptor_interface_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
+        .bInterfaceNumber   = INTERFACE_NO_HID_MOUSE,
+        .bAlternateSetting  = 0x00,
+        .bNumEndpoints      = 1,
+        .bInterfaceClass    = TUSB_CLASS_HID,
+        .bInterfaceSubClass = HID_SUBCLASS_BOOT,
+        .bInterfaceProtocol = HID_PROTOCOL_MOUSE,
+        .iInterface         = 0x06
+    },
+
+    .mouse_hid =
+    {
+        .bLength           = sizeof(tusb_hid_descriptor_hid_t),
+        .bDescriptorType   = HID_DESC_TYPE_HID,
+        .bcdHID            = 0x0111,
+        .bCountryCode      = HID_Local_NotSupported,
+        .bNumDescriptors   = 1,
+        .bReportType       = HID_DESC_TYPE_REPORT,
+        .wReportLength     = sizeof(desc_mouse_report)
+    },
+
+    .mouse_endpoint =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = HID_MOUSE_EDPT_ADDR, // TODO
+        .bmAttributes     = { .xfer = TUSB_XFER_INTERRUPT },
+        .wMaxPacketSize   = { .size = HID_MOUSE_EDPT_PACKETSIZE },
+        .bInterval        = 0x0A
+    },
+    #endif
+
+    //------------- Mass Storage -------------//
+    #if TUSB_CFG_DEVICE_MSC
+    .msc_interface =
+    {
+        .bLength            = sizeof(tusb_descriptor_interface_t),
+        .bDescriptorType    = TUSB_DESC_TYPE_INTERFACE,
+        .bInterfaceNumber   = INTERFACE_NO_MSC,
+        .bAlternateSetting  = 0x00,
+        .bNumEndpoints      = 2,
+        .bInterfaceClass    = TUSB_CLASS_MSC,
+        .bInterfaceSubClass = MSC_SUBCLASS_SCSI,
+        .bInterfaceProtocol = MSC_PROTOCOL_BOT,
+        .iInterface         = 0x07
+    },
+
+    .msc_endpoint_in =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = MSC_EDPT_IN_ADDR,
+        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
+        .wMaxPacketSize   = { .size = MSC_EDPT_PACKETSIZE },
+        .bInterval        = 1
+    },
+
+    .msc_endpoint_out =
+    {
+        .bLength          = sizeof(tusb_descriptor_endpoint_t),
+        .bDescriptorType  = TUSB_DESC_TYPE_ENDPOINT,
+        .bEndpointAddress = MSC_EDPT_OUT_ADDR,
+        .bmAttributes     = { .xfer = TUSB_XFER_BULK },
+        .wMaxPacketSize   = { .size = MSC_EDPT_PACKETSIZE },
+        .bInterval        = 1
+    },
+    #endif
+};
+
+//--------------------------------------------------------------------+
+// 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_descriptor_arr [] =
+{
+    [0] = (uint16_t []) { // supported language
+        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(1), TUSB_DESC_TYPE_STRING ),
+        0x0409 // English
+    },
+
+    [1] = (uint16_t []) { // manufacturer
+        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(11), TUSB_DESC_TYPE_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_TYPE_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_TYPE_STRING),
+        '1', '2', '3', '4' // len = 4
+    },
+
+    [4] = (uint16_t []) { // CDC Interface
+        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(3), TUSB_DESC_TYPE_STRING),
+        'c', 'd', 'c' // len = 3
+    },
+
+    [5] = (uint16_t []) { // Keyboard Interface
+        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(5), TUSB_DESC_TYPE_STRING),
+        'm', 'o', 'u', 's', 'e' // len = 5
+    },
+
+    [6] = (uint16_t []) { // Keyboard Interface
+        ENDIAN_BE16_FROM( STRING_LEN_UNICODE(8), TUSB_DESC_TYPE_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_TYPE_STRING),
+        'm', 's', 'c' // len = 3
+    }
+};
+
+//--------------------------------------------------------------------+
+// TINYUSB Descriptors Pointer (this variable is required by the stack)
+//--------------------------------------------------------------------+
+tusbd_descriptor_pointer_t tusbd_descriptor_pointers =
+{
+    .p_device              = (uint8_t const * ) &desc_device,
+    .p_configuration       = (uint8_t const * ) &desc_configuration,
+    .p_string_arr          = (uint8_t const **) string_descriptor_arr,
+
+    #if TUSB_CFG_DEVICE_HID_KEYBOARD
+    .p_hid_keyboard_report = (uint8_t const *) desc_keyboard_report,
+    #endif
+
+    #if TUSB_CFG_DEVICE_HID_MOUSE
+    .p_hid_mouse_report    = (uint8_t const *)  desc_mouse_report,
+    #endif
+};
diff --git a/examples/device/device_virtual_com/src/tusb_descriptors.h b/examples/device/device_virtual_com/src/tusb_descriptors.h
new file mode 100644
index 000000000..322af0392
--- /dev/null
+++ b/examples/device/device_virtual_com/src/tusb_descriptors.h
@@ -0,0 +1,178 @@
+/**************************************************************************/
+/*!
+    @file     tusb_descriptors.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_DESCRIPTORS_H_
+#define _TUSB_DESCRIPTORS_H_
+
+#include "tusb.h"
+
+//--------------------------------------------------------------------+
+// Descriptors Value (calculated by enabled Classes)
+//--------------------------------------------------------------------+
+#define CFG_VENDORID            0xCAFE
+//#define CFG_PRODUCTID           0x4567 // use auto product id to prevent conflict with pc's driver
+
+// each combination of interfaces need to have a unique productid, as windows will bind & remember device driver after the first plug.
+// Auto ProductID layout's Bitmap: (MSB) MassStorage | Generic | Mouse | Key | CDC (LSB)
+#ifndef CFG_PRODUCTID
+  #define PRODUCTID_BITMAP(interface, n)  ( (TUSB_CFG_DEVICE_##interface) << (n) )
+  #define CFG_PRODUCTID                   (0x4000 | ( PRODUCTID_BITMAP(CDC, 0) | PRODUCTID_BITMAP(HID_KEYBOARD, 1) | \
+                                           PRODUCTID_BITMAP(HID_MOUSE, 2) | PRODUCTID_BITMAP(HID_GENERIC, 3) | \
+                                           PRODUCTID_BITMAP(MSC, 4) ) )
+#endif
+
+#define INTERFACE_NO_CDC           0
+#define INTERFACE_NO_HID_KEYBOARD (INTERFACE_NO_CDC          + 2*(TUSB_CFG_DEVICE_CDC ? 1 : 0) )
+#define INTERFACE_NO_HID_MOUSE    (INTERFACE_NO_HID_KEYBOARD + TUSB_CFG_DEVICE_HID_KEYBOARD    )
+#define INTERFACE_NO_HID_GENERIC  (INTERFACE_NO_HID_MOUSE    + TUSB_CFG_DEVICE_HID_MOUSE       )
+#define INTERFACE_NO_MSC          (INTERFACE_NO_HID_GENERIC  + TUSB_CFG_DEVICE_HID_GENERIC     )
+
+#define TOTAL_INTEFACES           (2*TUSB_CFG_DEVICE_CDC + TUSB_CFG_DEVICE_HID_KEYBOARD + TUSB_CFG_DEVICE_HID_MOUSE + \
+                                   TUSB_CFG_DEVICE_HID_GENERIC + TUSB_CFG_DEVICE_MSC)
+
+#if (TUSB_CFG_MCU == MCU_LPC11UXX || TUSB_CFG_MCU == MCU_LPC13UXX) && (TOTAL_INTEFACES > 4)
+  #error These MCUs do not have enough number of endpoints for the current configuration
+#endif
+
+//--------------------------------------------------------------------+
+// Endpoints Address & Max Packet Size
+//--------------------------------------------------------------------+
+#define EDPT_IN(x)    (0x80 | (x))
+#define EDPT_OUT(x)   (x)
+
+#if TUSB_CFG_MCU == MCU_LPC175X_6X // MCUs's endpoint number has a fixed type
+
+  //------------- CDC -------------//
+  #define CDC_EDPT_NOTIFICATION_ADDR            EDPT_IN (1)
+  #define CDC_EDPT_NOTIFICATION_PACKETSIZE      64
+
+  #define CDC_EDPT_DATA_OUT_ADDR                EDPT_OUT(2)
+  #define CDC_EDPT_DATA_IN_ADDR                 EDPT_IN (2)
+  #define CDC_EDPT_DATA_PACKETSIZE              64
+
+  //------------- HID Keyboard -------------//
+  #define HID_KEYBOARD_EDPT_ADDR                EDPT_IN (4)
+  #define HID_KEYBOARD_EDPT_PACKETSIZE          8
+
+  //------------- HID Mouse -------------//
+  #define HID_MOUSE_EDPT_ADDR                   EDPT_IN (7)
+  #define HID_MOUSE_EDPT_PACKETSIZE             8
+
+  //------------- HID Generic -------------//
+
+  //------------- Mass Storage -------------//
+  #define MSC_EDPT_OUT_ADDR                     EDPT_OUT(5)
+  #define MSC_EDPT_IN_ADDR                      EDPT_IN (5)
+
+#else
+
+  //------------- CDC -------------//
+  #define CDC_EDPT_NOTIFICATION_ADDR            EDPT_IN (INTERFACE_NO_CDC+1)
+  #define CDC_EDPT_NOTIFICATION_PACKETSIZE      64
+
+  #define CDC_EDPT_DATA_OUT_ADDR                EDPT_OUT(INTERFACE_NO_CDC+2)
+  #define CDC_EDPT_DATA_IN_ADDR                 EDPT_IN (INTERFACE_NO_CDC+2)
+  #define CDC_EDPT_DATA_PACKETSIZE              64
+
+  //------------- HID Keyboard -------------//
+  #define HID_KEYBOARD_EDPT_ADDR                EDPT_IN (INTERFACE_NO_HID_KEYBOARD+1)
+  #define HID_KEYBOARD_EDPT_PACKETSIZE          8
+
+  //------------- HID Mouse -------------//
+  #define HID_MOUSE_EDPT_ADDR                   EDPT_IN (INTERFACE_NO_HID_MOUSE+1)
+  #define HID_MOUSE_EDPT_PACKETSIZE             8
+
+  //------------- HID Generic -------------//
+
+  //------------- Mass Storage -------------//
+  #define MSC_EDPT_OUT_ADDR                     EDPT_OUT(INTERFACE_NO_MSC+1)
+  #define MSC_EDPT_IN_ADDR                      EDPT_IN (INTERFACE_NO_MSC+1)
+
+#endif
+
+#define MSC_EDPT_PACKETSIZE                   (TUSB_CFG_MCU == MCU_LPC43XX ? 512 : 64)
+
+//--------------------------------------------------------------------+
+// CONFIGURATION DESCRIPTOR
+//--------------------------------------------------------------------+
+typedef struct ATTR_PACKED
+{
+  tusb_descriptor_configuration_t              configuration;
+
+  //------------- CDC -------------//
+#if TUSB_CFG_DEVICE_CDC
+  tusb_descriptor_interface_association_t      cdc_iad;
+
+  //CDC Control Interface
+  tusb_descriptor_interface_t                  cdc_comm_interface;
+  cdc_desc_func_header_t                       cdc_header;
+  cdc_desc_func_call_management_t              cdc_call;
+  cdc_desc_func_abstract_control_management_t  cdc_acm;
+  cdc_desc_func_union_t                        cdc_union;
+  tusb_descriptor_endpoint_t                   cdc_endpoint_notification;
+
+  //CDC Data Interface
+  tusb_descriptor_interface_t                  cdc_data_interface;
+  tusb_descriptor_endpoint_t                   cdc_endpoint_out;
+  tusb_descriptor_endpoint_t                   cdc_endpoint_in;
+#endif
+
+  //------------- HID Keyboard -------------//
+#if TUSB_CFG_DEVICE_HID_KEYBOARD
+  tusb_descriptor_interface_t                    keyboard_interface;
+  tusb_hid_descriptor_hid_t                      keyboard_hid;
+  tusb_descriptor_endpoint_t                     keyboard_endpoint;
+#endif
+
+//------------- HID Mouse -------------//
+#if TUSB_CFG_DEVICE_HID_MOUSE
+  tusb_descriptor_interface_t                    mouse_interface;
+  tusb_hid_descriptor_hid_t                      mouse_hid;
+  tusb_descriptor_endpoint_t                     mouse_endpoint;
+#endif
+
+//------------- Mass Storage -------------//
+#if TUSB_CFG_DEVICE_MSC
+  tusb_descriptor_interface_t                    msc_interface;
+  tusb_descriptor_endpoint_t                     msc_endpoint_in;
+  tusb_descriptor_endpoint_t                     msc_endpoint_out;
+#endif
+
+} app_descriptor_configuration_t;
+
+#endif
diff --git a/examples/device/device_virtual_com/xpresso/.cproject b/examples/device/device_virtual_com/xpresso/.cproject
new file mode 100644
index 000000000..5a4b9d17c
--- /dev/null
+++ b/examples/device/device_virtual_com/xpresso/.cproject
@@ -0,0 +1,204 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+	<storageModule moduleId="org.eclipse.cdt.core.settings">
+		<cconfiguration id="com.crt.advproject.config.exe.debug.1203173668.586387399">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="com.crt.advproject.config.exe.debug.1203173668.586387399" moduleId="org.eclipse.cdt.core.settings" name="EA4357">
+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GNU_ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+					<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
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+	<storageModule moduleId="com.crt.config">
+		<projectStorage>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
+&lt;TargetConfig&gt;
+&lt;Properties property_0="None" property_2="LPC18x7_43x7_2x512_BootA.cfx" property_3="NXP" property_4="LPC4357" property_count="5" version="70200"/&gt;
+&lt;infoList vendor="NXP"&gt;&lt;info chip="LPC4357" flash_driver="LPC18x7_43x7_2x512_BootA.cfx" match_id="0x0" name="LPC4357" resetscript="LPC18LPC43InternalFLASHBootResetscript.scp" stub="crt_emu_lpc18_43_nxp"&gt;&lt;chip&gt;&lt;name&gt;LPC4357&lt;/name&gt;
+&lt;family&gt;LPC43xx&lt;/family&gt;
+&lt;vendor&gt;NXP (formerly Philips)&lt;/vendor&gt;
+&lt;reset board="None" core="Real" sys="Real"/&gt;
+&lt;clock changeable="TRUE" freq="20MHz" is_accurate="TRUE"/&gt;
+&lt;memory can_program="true" id="Flash" is_ro="true" type="Flash"/&gt;
+&lt;memory id="RAM" type="RAM"/&gt;
+&lt;memory id="Periph" is_volatile="true" type="Peripheral"/&gt;
+&lt;memoryInstance derived_from="Flash" edited="true" id="MFlashA512" location="0x1a000000" size="0x80000"/&gt;
+&lt;memoryInstance derived_from="Flash" edited="true" id="MFlashB512" location="0x1b000000" size="0x80000"/&gt;
+&lt;memoryInstance derived_from="RAM" edited="true" id="RamLoc32" location="0x10000000" size="0x8000"/&gt;
+&lt;memoryInstance derived_from="RAM" edited="true" id="RamLoc40" location="0x10080000" size="0xa000"/&gt;
+&lt;memoryInstance derived_from="RAM" edited="true" id="RamAHB32" location="0x20000000" size="0x8000"/&gt;
+&lt;memoryInstance derived_from="RAM" edited="true" id="RamAHB16" location="0x20008000" size="0x4000"/&gt;
+&lt;memoryInstance derived_from="RAM" edited="true" id="RamAHB_ETB16" location="0x2000c000" size="0x4000"/&gt;
+&lt;prog_flash blocksz="0x2000" location="0x1a000000" maxprgbuff="0x400" progwithcode="TRUE" size="0x10000"/&gt;
+&lt;prog_flash blocksz="0x10000" location="0x1a010000" maxprgbuff="0x400" progwithcode="TRUE" size="0x70000"/&gt;
+&lt;prog_flash blocksz="0x2000" location="0x1b000000" maxprgbuff="0x400" progwithcode="TRUE" size="0x10000"/&gt;
+&lt;prog_flash blocksz="0x10000" location="0x1b010000" maxprgbuff="0x400" progwithcode="TRUE" size="0x70000"/&gt;
+&lt;peripheralInstance derived_from="V7M_MPU" id="MPU" location="0xe000ed90"/&gt;
+&lt;peripheralInstance derived_from="V7M_NVIC" id="NVIC" location="0xe000e000"/&gt;
+&lt;peripheralInstance derived_from="V7M_DCR" id="DCR" location="0xe000edf0"/&gt;
+&lt;peripheralInstance derived_from="V7M_ITM" id="ITM" location="0xe0000000"/&gt;
+&lt;peripheralInstance derived_from="SCT" id="SCT" location="0x40000000"/&gt;
+&lt;peripheralInstance derived_from="GPDMA" id="GPDMA" location="0x40002000"/&gt;
+&lt;peripheralInstance derived_from="SPIFI" id="SPIFI" location="0x40003000"/&gt;
+&lt;peripheralInstance derived_from="SDMMC" id="SDMMC" location="0x40004000"/&gt;
+&lt;peripheralInstance derived_from="EMC" id="EMC" location="0x40005000"/&gt;
+&lt;peripheralInstance derived_from="USB0" id="USB0" location="0x40006000"/&gt;
+&lt;peripheralInstance derived_from="USB1" id="USB1" location="0x40007000"/&gt;
+&lt;peripheralInstance derived_from="LCD" id="LCD" location="0x40008000"/&gt;
+&lt;peripheralInstance derived_from="EEPROM" id="EEPROM" location="0x4000e000"/&gt;
+&lt;peripheralInstance derived_from="ETHERNET" id="ETHERNET" location="0x40010000"/&gt;
+&lt;peripheralInstance derived_from="ATIMER" id="ATIMER" location="0x40040000"/&gt;
+&lt;peripheralInstance derived_from="REGFILE" id="REGFILE" location="0x40041000"/&gt;
+&lt;peripheralInstance derived_from="PMC" id="PMC" location="0x40042000"/&gt;
+&lt;peripheralInstance derived_from="CREG" id="CREG" location="0x40043000"/&gt;
+&lt;peripheralInstance derived_from="EVENTROUTER" id="EVENTROUTER" location="0x40044000"/&gt;
+&lt;peripheralInstance derived_from="RTC" id="RTC" location="0x40046000"/&gt;
+&lt;peripheralInstance derived_from="CGU" id="CGU" location="0x40050000"/&gt;
+&lt;peripheralInstance derived_from="CCU1" id="CCU1" location="0x40051000"/&gt;
+&lt;peripheralInstance derived_from="CCU2" id="CCU2" location="0x40052000"/&gt;
+&lt;peripheralInstance derived_from="RGU" id="RGU" location="0x40053000"/&gt;
+&lt;peripheralInstance derived_from="WWDT" id="WWDT" location="0x40080000"/&gt;
+&lt;peripheralInstance derived_from="USART0" id="USART0" location="0x40081000"/&gt;
+&lt;peripheralInstance derived_from="USART2" id="USART2" location="0x400c1000"/&gt;
+&lt;peripheralInstance derived_from="USART3" id="USART3" location="0x400c2000"/&gt;
+&lt;peripheralInstance derived_from="UART1" id="UART1" location="0x40082000"/&gt;
+&lt;peripheralInstance derived_from="SSP0" id="SSP0" location="0x40083000"/&gt;
+&lt;peripheralInstance derived_from="SSP1" id="SSP1" location="0x400c5000"/&gt;
+&lt;peripheralInstance derived_from="TIMER0" id="TIMER0" location="0x40084000"/&gt;
+&lt;peripheralInstance derived_from="TIMER1" id="TIMER1" location="0x40085000"/&gt;
+&lt;peripheralInstance derived_from="TIMER2" id="TIMER2" location="0x400c3000"/&gt;
+&lt;peripheralInstance derived_from="TIMER3" id="TIMER3" location="0x400c4000"/&gt;
+&lt;peripheralInstance derived_from="SCU" id="SCU" location="0x40086000"/&gt;
+&lt;peripheralInstance derived_from="GPIO-PIN-INT" id="GPIO-PIN-INT" location="0x40087000"/&gt;
+&lt;peripheralInstance derived_from="GPIO-GROUP-INT0" id="GPIO-GROUP-INT0" location="0x40088000"/&gt;
+&lt;peripheralInstance derived_from="GPIO-GROUP-INT1" id="GPIO-GROUP-INT1" location="0x40089000"/&gt;
+&lt;peripheralInstance derived_from="MCPWM" id="MCPWM" location="0x400a0000"/&gt;
+&lt;peripheralInstance derived_from="I2C0" id="I2C0" location="0x400a1000"/&gt;
+&lt;peripheralInstance derived_from="I2C1" id="I2C1" location="0x400e0000"/&gt;
+&lt;peripheralInstance derived_from="I2S0" id="I2S0" location="0x400a2000"/&gt;
+&lt;peripheralInstance derived_from="I2S1" id="I2S1" location="0x400a3000"/&gt;
+&lt;peripheralInstance derived_from="C-CAN1" id="C-CAN1" location="0x400a4000"/&gt;
+&lt;peripheralInstance derived_from="RITIMER" id="RITIMER" location="0x400c0000"/&gt;
+&lt;peripheralInstance derived_from="QEI" id="QEI" location="0x400c6000"/&gt;
+&lt;peripheralInstance derived_from="GIMA" id="GIMA" location="0x400c7000"/&gt;
+&lt;peripheralInstance derived_from="DAC" id="DAC" location="0x400e1000"/&gt;
+&lt;peripheralInstance derived_from="C-CAN0" id="C-CAN0" location="0x400e2000"/&gt;
+&lt;peripheralInstance derived_from="ADC0" id="ADC0" location="0x400e3000"/&gt;
+&lt;peripheralInstance derived_from="ADC1" id="ADC1" location="0x400e4000"/&gt;
+&lt;peripheralInstance derived_from="GPIO-PORT" id="GPIO-PORT" location="0x400f4000"/&gt;
+&lt;peripheralInstance derived_from="SPI" id="SPI" location="0x40100000"/&gt;
+&lt;peripheralInstance derived_from="SGPIO" id="SGPIO" location="0x40101000"/&gt;
+&lt;/chip&gt;
+&lt;processor&gt;&lt;name gcc_name="cortex-m4"&gt;Cortex-M4&lt;/name&gt;
+&lt;family&gt;Cortex-M&lt;/family&gt;
+&lt;/processor&gt;
+&lt;link href="nxp_lpc43xx_peripheral.xme" show="embed" type="simple"/&gt;
+&lt;/info&gt;
+&lt;/infoList&gt;
+&lt;/TargetConfig&gt;</projectStorage>
+	</storageModule>
+	<storageModule moduleId="refreshScope" versionNumber="2">
+		<configuration configurationName="Debug">
+			<resource resourceType="PROJECT" workspacePath="/device_virtual_com"/>
+		</configuration>
+		<configuration configurationName="Release">
+			<resource resourceType="PROJECT" workspacePath="/device_virtual_com"/>
+		</configuration>
+	</storageModule>
+	<storageModule moduleId="com.crt.advproject">
+		<boardId>MCB4357</boardId>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
+</cproject>
diff --git a/examples/device/device_virtual_com/xpresso/.project b/examples/device/device_virtual_com/xpresso/.project
new file mode 100644
index 000000000..ecd387b48
--- /dev/null
+++ b/examples/device/device_virtual_com/xpresso/.project
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>device_virtual_com</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+			<triggers>full,incremental,</triggers>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.cdt.core.cnature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+		<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+	</natures>
+	<linkedResources>
+		<link>
+			<name>hw</name>
+			<type>2</type>
+			<locationURI>PARENT-4-PROJECT_LOC/hw</locationURI>
+		</link>
+		<link>
+			<name>src</name>
+			<type>2</type>
+			<locationURI>PARENT-1-PROJECT_LOC/src</locationURI>
+		</link>
+		<link>
+			<name>tinyusb</name>
+			<type>2</type>
+			<locationURI>PARENT-4-PROJECT_LOC/tinyusb</locationURI>
+		</link>
+	</linkedResources>
+</projectDescription>