Merge branch 'master' into dcd_notif

Signed-off-by: HiFiPhile <[email protected]>

77 files changed, 1083 insertions, 822 deletions

diff --git a/examples/build_system/cmake/toolchain/aarch64_gcc.cmake b/examples/build_system/cmake/toolchain/aarch64_gcc.cmake
index 2d30a0b71..ac1e482eb 100644
--- a/examples/build_system/cmake/toolchain/aarch64_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/aarch64_gcc.cmake
@@ -7,9 +7,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE "aarch64-none-elf-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "aarch64-none-elf-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "aarch64-none-elf-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE aarch64-none-elf-size)
+find_program(CMAKE_OBJCOPY aarch64-none-elf-objcopy)
+find_program(CMAKE_OBJDUMP aarch64-none-elf-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/cmake/toolchain/arm_clang.cmake b/examples/build_system/cmake/toolchain/arm_clang.cmake
index 754d672fd..fe3c2b453 100644
--- a/examples/build_system/cmake/toolchain/arm_clang.cmake
+++ b/examples/build_system/cmake/toolchain/arm_clang.cmake
@@ -7,9 +7,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE "llvm-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "llvm-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "llvm-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE llvm-size)
+find_program(CMAKE_OBJCOPY llvm-objcopy)
+find_program(CMAKE_OBJDUMP llvm-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/cmake/toolchain/arm_gcc.cmake b/examples/build_system/cmake/toolchain/arm_gcc.cmake
index d3d73c629..0b0949dd8 100644
--- a/examples/build_system/cmake/toolchain/arm_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/arm_gcc.cmake
@@ -7,9 +7,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE "arm-none-eabi-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "arm-none-eabi-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "arm-none-eabi-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE arm-none-eabi-size)
+find_program(CMAKE_OBJCOPY arm-none-eabi-objcopy)
+find_program(CMAKE_OBJDUMP arm-none-eabi-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/cmake/toolchain/arm_iar.cmake b/examples/build_system/cmake/toolchain/arm_iar.cmake
index 6d2219ca8..083815715 100644
--- a/examples/build_system/cmake/toolchain/arm_iar.cmake
+++ b/examples/build_system/cmake/toolchain/arm_iar.cmake
@@ -10,8 +10,8 @@ if (NOT DEFINED CMAKE_ASM_COMPILER)
   set(CMAKE_ASM_COMPILER "iasmarm")
 endif()
 
-set(CMAKE_SIZE "size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "ielftool" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "iefdumparm" CACHE FILEPATH "")
+find_program(CMAKE_SIZE size)
+find_program(CMAKE_OBJCOPY ielftool)
+find_program(CMAKE_OBJDUMP iefdumparm)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
diff --git a/examples/build_system/cmake/toolchain/msp430_gcc.cmake b/examples/build_system/cmake/toolchain/msp430_gcc.cmake
index 73368adba..799518931 100644
--- a/examples/build_system/cmake/toolchain/msp430_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/msp430_gcc.cmake
@@ -8,8 +8,8 @@ endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
 
-set(CMAKE_SIZE "msp430-elf-size" CACHE FILEPATH "")
-set(CMAKE_OBJCOPY "msp430-elf-objcopy" CACHE FILEPATH "")
-set(CMAKE_OBJDUMP "msp430-elf-objdump" CACHE FILEPATH "")
+find_program(CMAKE_SIZE msp430-elf-size)
+find_program(CMAKE_OBJCOPY msp430-elf-objcopy)
+find_program(CMAKE_OBJDUMP msp430-elf-objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
diff --git a/examples/build_system/cmake/toolchain/riscv_gcc.cmake b/examples/build_system/cmake/toolchain/riscv_gcc.cmake
index d788df023..60a24528b 100644
--- a/examples/build_system/cmake/toolchain/riscv_gcc.cmake
+++ b/examples/build_system/cmake/toolchain/riscv_gcc.cmake
@@ -16,9 +16,9 @@ if (NOT DEFINED CMAKE_CXX_COMPILER)
 endif ()
 
 set(CMAKE_ASM_COMPILER ${CMAKE_C_COMPILER})
-set(CMAKE_SIZE ${CROSS_COMPILE}size CACHE FILEPATH "")
-set(CMAKE_OBJCOPY ${CROSS_COMPILE}objcopy CACHE FILEPATH "")
-set(CMAKE_OBJDUMP ${CROSS_COMPILE}objdump CACHE FILEPATH "")
+find_program(CMAKE_SIZE ${CROSS_COMPILE}size)
+find_program(CMAKE_OBJCOPY ${CROSS_COMPILE}objcopy)
+find_program(CMAKE_OBJDUMP ${CROSS_COMPILE}objdump)
 
 include(${CMAKE_CURRENT_LIST_DIR}/common.cmake)
 
diff --git a/examples/build_system/make/toolchain/gcc_common.mk b/examples/build_system/make/toolchain/gcc_common.mk
index 6986d8bba..0cbb6774d 100644
--- a/examples/build_system/make/toolchain/gcc_common.mk
+++ b/examples/build_system/make/toolchain/gcc_common.mk
@@ -31,6 +31,7 @@ CFLAGS += \
   -Wreturn-type \
   -Wredundant-decls \
 
+#  -Wmissing-prototypes \
 # conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion
 #  -Wconversion
 
diff --git a/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt b/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt
index e8ca3751d..285d4490b 100644
--- a/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt
+++ b/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt
@@ -19,7 +19,6 @@ add_executable(${PROJECT})
 
 # Example source
 target_sources(${PROJECT} PUBLIC
-  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
   )
diff --git a/examples/device/audio_4_channel_mic_freertos/Makefile b/examples/device/audio_4_channel_mic_freertos/Makefile
index df2cdef4e..0202f631c 100644
--- a/examples/device/audio_4_channel_mic_freertos/Makefile
+++ b/examples/device/audio_4_channel_mic_freertos/Makefile
@@ -12,7 +12,6 @@ INC += \
 
 # Example source
 EXAMPLE_SOURCE = \
-	src/freertos_hook.c \
 	src/main.c \
 	src/usb_descriptors.c
 
diff --git a/examples/device/audio_4_channel_mic_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h b/examples/device/audio_4_channel_mic_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
index 869500ad2..902a54f08 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/examples/device/audio_4_channel_mic_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
@@ -48,7 +48,7 @@
 // Include MCU header
 #include "bsp/board_mcu.h"
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #error "ESP32-Sx should use IDF's FreeRTOSConfig.h"
 #endif
 
diff --git a/examples/device/audio_4_channel_mic_freertos/src/freertos_hook.c b/examples/device/audio_4_channel_mic_freertos/src/freertos_hook.c
deleted file mode 100644
index 4920e3fae..000000000
--- a/examples/device/audio_4_channel_mic_freertos/src/freertos_hook.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "FreeRTOS.h"
-#include "task.h"
-#include "common/tusb_common.h"
-
-
-void vApplicationMallocFailedHook(void)
-{
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName)
-{
-  (void) pxTask;
-  (void) pcTaskName;
-
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
- * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
- * used by the Idle task. */
-void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize )
-{
-  /* If the buffers to be provided to the Idle task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xIdleTaskTCB;
-  static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
-    state will be stored. */
-  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
-
-  /* Pass out the array that will be used as the Idle task's stack. */
-  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
-  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
-}
-
-/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
- * application must provide an implementation of vApplicationGetTimerTaskMemory()
- * to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize )
-{
-  /* If the buffers to be provided to the Timer task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xTimerTaskTCB;
-  static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Timer
-    task's state will be stored. */
-  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
-
-  /* Pass out the array that will be used as the Timer task's stack. */
-  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
-  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
-}
-
-#if CFG_TUSB_MCU == OPT_MCU_RX63X | CFG_TUSB_MCU == OPT_MCU_RX65X
-#include "iodefine.h"
-void vApplicationSetupTimerInterrupt(void)
-{
-  /* Enable CMT0 */
-  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
-  MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
-
-  CMT0.CMCNT      = 0;
-  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
-  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
-  IR(CMT0, CMI0)  = 0;
-  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
-  IEN(CMT0, CMI0) = 1;
-  CMT.CMSTR0.BIT.STR0 = 1;
-}
-#endif
diff --git a/examples/device/audio_4_channel_mic_freertos/src/main.c b/examples/device/audio_4_channel_mic_freertos/src/main.c
index 2ac7516cd..c9de4029a 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/main.c
+++ b/examples/device/audio_4_channel_mic_freertos/src/main.c
@@ -39,7 +39,7 @@
 #include "bsp/board_api.h"
 #include "tusb.h"
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
   // ESP-IDF need "freertos/" prefix in include path.
   // CFG_TUSB_OS_INC_PATH should be defined accordingly.
   #include "freertos/FreeRTOS.h"
@@ -186,14 +186,14 @@ int main(void)
 #endif
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-  #if !TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
+  #if !TUSB_MCU_VENDOR_ESPRESSIF
     vTaskStartScheduler();
   #endif
 
   return 0;
 }
 
-#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
+#if TUSB_MCU_VENDOR_ESPRESSIF
 void app_main(void)
 {
   main();
diff --git a/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h b/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
index 88f20278b..5cd93b0d6 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
+++ b/examples/device/audio_4_channel_mic_freertos/src/tusb_config.h
@@ -59,7 +59,7 @@ extern "C" {
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/device/audio_test_freertos/CMakeLists.txt b/examples/device/audio_test_freertos/CMakeLists.txt
index eb22014fb..33f3b915f 100644
--- a/examples/device/audio_test_freertos/CMakeLists.txt
+++ b/examples/device/audio_test_freertos/CMakeLists.txt
@@ -19,7 +19,6 @@ add_executable(${PROJECT})
 
 # Example source
 target_sources(${PROJECT} PUBLIC
-  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
   )
diff --git a/examples/device/audio_test_freertos/Makefile b/examples/device/audio_test_freertos/Makefile
index df2cdef4e..0202f631c 100644
--- a/examples/device/audio_test_freertos/Makefile
+++ b/examples/device/audio_test_freertos/Makefile
@@ -12,7 +12,6 @@ INC += \
 
 # Example source
 EXAMPLE_SOURCE = \
-	src/freertos_hook.c \
 	src/main.c \
 	src/usb_descriptors.c
 
diff --git a/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h b/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
index 869500ad2..902a54f08 100644
--- a/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
@@ -48,7 +48,7 @@
 // Include MCU header
 #include "bsp/board_mcu.h"
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #error "ESP32-Sx should use IDF's FreeRTOSConfig.h"
 #endif
 
diff --git a/examples/device/audio_test_freertos/src/freertos_hook.c b/examples/device/audio_test_freertos/src/freertos_hook.c
deleted file mode 100644
index 4920e3fae..000000000
--- a/examples/device/audio_test_freertos/src/freertos_hook.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "FreeRTOS.h"
-#include "task.h"
-#include "common/tusb_common.h"
-
-
-void vApplicationMallocFailedHook(void)
-{
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName)
-{
-  (void) pxTask;
-  (void) pcTaskName;
-
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
- * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
- * used by the Idle task. */
-void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize )
-{
-  /* If the buffers to be provided to the Idle task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xIdleTaskTCB;
-  static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
-    state will be stored. */
-  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
-
-  /* Pass out the array that will be used as the Idle task's stack. */
-  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
-  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
-}
-
-/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
- * application must provide an implementation of vApplicationGetTimerTaskMemory()
- * to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize )
-{
-  /* If the buffers to be provided to the Timer task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xTimerTaskTCB;
-  static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Timer
-    task's state will be stored. */
-  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
-
-  /* Pass out the array that will be used as the Timer task's stack. */
-  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
-  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
-}
-
-#if CFG_TUSB_MCU == OPT_MCU_RX63X | CFG_TUSB_MCU == OPT_MCU_RX65X
-#include "iodefine.h"
-void vApplicationSetupTimerInterrupt(void)
-{
-  /* Enable CMT0 */
-  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
-  MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
-
-  CMT0.CMCNT      = 0;
-  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
-  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
-  IR(CMT0, CMI0)  = 0;
-  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
-  IEN(CMT0, CMI0) = 1;
-  CMT.CMSTR0.BIT.STR0 = 1;
-}
-#endif
diff --git a/examples/device/audio_test_freertos/src/main.c b/examples/device/audio_test_freertos/src/main.c
index 4e2264b5d..c5143c3fc 100644
--- a/examples/device/audio_test_freertos/src/main.c
+++ b/examples/device/audio_test_freertos/src/main.c
@@ -38,7 +38,7 @@
 #include "bsp/board_api.h"
 #include "tusb.h"
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
   // ESP-IDF need "freertos/" prefix in include path.
   // CFG_TUSB_OS_INC_PATH should be defined accordingly.
   #include "freertos/FreeRTOS.h"
@@ -133,16 +133,15 @@ int main(void)
 #endif
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-  #if !TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
+  #if !TUSB_MCU_VENDOR_ESPRESSIF
     vTaskStartScheduler();
   #endif
 
   return 0;
 }
 
-#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
-void app_main(void)
-{
+#if TUSB_MCU_VENDOR_ESPRESSIF
+void app_main(void) {
   main();
 }
 #endif
diff --git a/examples/device/audio_test_freertos/src/tusb_config.h b/examples/device/audio_test_freertos/src/tusb_config.h
index 8b376a4c3..61c5cbb96 100644
--- a/examples/device/audio_test_freertos/src/tusb_config.h
+++ b/examples/device/audio_test_freertos/src/tusb_config.h
@@ -59,7 +59,7 @@ extern "C" {
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/device/board_test/src/main.c b/examples/device/board_test/src/main.c
index 91799eb89..2269d45f1 100644
--- a/examples/device/board_test/src/main.c
+++ b/examples/device/board_test/src/main.c
@@ -67,7 +67,7 @@ int main(void) {
   }
 }
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
 void app_main(void) {
   main();
 }
diff --git a/examples/device/board_test/src/tusb_config.h b/examples/device/board_test/src/tusb_config.h
index 89c27d1c0..8ac3bc8de 100644
--- a/examples/device/board_test/src/tusb_config.h
+++ b/examples/device/board_test/src/tusb_config.h
@@ -44,7 +44,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/device/cdc_msc/CMakeLists.txt b/examples/device/cdc_msc/CMakeLists.txt
index 9415f8c68..c2f9cb095 100644
--- a/examples/device/cdc_msc/CMakeLists.txt
+++ b/examples/device/cdc_msc/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.17)
-set_property(GLOBAL PROPERTY USE_FOLDERS ON)
+#set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 
 include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
 
diff --git a/examples/device/cdc_msc_freertos/CMakeLists.txt b/examples/device/cdc_msc_freertos/CMakeLists.txt
index 33c7a1ec0..32a9e2930 100644
--- a/examples/device/cdc_msc_freertos/CMakeLists.txt
+++ b/examples/device/cdc_msc_freertos/CMakeLists.txt
@@ -19,7 +19,6 @@ add_executable(${PROJECT})
 
 # Example source
 target_sources(${PROJECT} PUBLIC
-  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/msc_disk.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
diff --git a/examples/device/cdc_msc_freertos/Makefile b/examples/device/cdc_msc_freertos/Makefile
index fe3fb6482..c90922b0c 100644
--- a/examples/device/cdc_msc_freertos/Makefile
+++ b/examples/device/cdc_msc_freertos/Makefile
@@ -12,7 +12,6 @@ INC += \
 
 # Example source
 EXAMPLE_SOURCE = \
-	src/freertos_hook.c \
 	src/main.c \
 	src/msc_disk.c \
 	src/usb_descriptors.c
diff --git a/examples/device/cdc_msc_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h b/examples/device/cdc_msc_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
index 869500ad2..902a54f08 100644
--- a/examples/device/cdc_msc_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/examples/device/cdc_msc_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
@@ -48,7 +48,7 @@
 // Include MCU header
 #include "bsp/board_mcu.h"
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #error "ESP32-Sx should use IDF's FreeRTOSConfig.h"
 #endif
 
diff --git a/examples/device/cdc_msc_freertos/src/freertos_hook.c b/examples/device/cdc_msc_freertos/src/freertos_hook.c
deleted file mode 100644
index 4920e3fae..000000000
--- a/examples/device/cdc_msc_freertos/src/freertos_hook.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "FreeRTOS.h"
-#include "task.h"
-#include "common/tusb_common.h"
-
-
-void vApplicationMallocFailedHook(void)
-{
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName)
-{
-  (void) pxTask;
-  (void) pcTaskName;
-
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
- * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
- * used by the Idle task. */
-void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize )
-{
-  /* If the buffers to be provided to the Idle task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xIdleTaskTCB;
-  static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
-    state will be stored. */
-  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
-
-  /* Pass out the array that will be used as the Idle task's stack. */
-  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
-  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
-}
-
-/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
- * application must provide an implementation of vApplicationGetTimerTaskMemory()
- * to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize )
-{
-  /* If the buffers to be provided to the Timer task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xTimerTaskTCB;
-  static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Timer
-    task's state will be stored. */
-  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
-
-  /* Pass out the array that will be used as the Timer task's stack. */
-  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
-  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
-}
-
-#if CFG_TUSB_MCU == OPT_MCU_RX63X | CFG_TUSB_MCU == OPT_MCU_RX65X
-#include "iodefine.h"
-void vApplicationSetupTimerInterrupt(void)
-{
-  /* Enable CMT0 */
-  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
-  MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
-
-  CMT0.CMCNT      = 0;
-  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
-  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
-  IR(CMT0, CMI0)  = 0;
-  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
-  IEN(CMT0, CMI0) = 1;
-  CMT.CMSTR0.BIT.STR0 = 1;
-}
-#endif
diff --git a/examples/device/cdc_msc_freertos/src/main.c b/examples/device/cdc_msc_freertos/src/main.c
index f70267e33..c51e8ea81 100644
--- a/examples/device/cdc_msc_freertos/src/main.c
+++ b/examples/device/cdc_msc_freertos/src/main.c
@@ -30,24 +30,9 @@
 #include "bsp/board_api.h"
 #include "tusb.h"
 
-#if TUP_MCU_ESPRESSIF
-  // ESP-IDF need "freertos/" prefix in include path.
-  // CFG_TUSB_OS_INC_PATH should be defined accordingly.
-  #include "freertos/FreeRTOS.h"
-  #include "freertos/semphr.h"
-  #include "freertos/queue.h"
-  #include "freertos/task.h"
-  #include "freertos/timers.h"
-
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #define USBD_STACK_SIZE     4096
 #else
-
-  #include "FreeRTOS.h"
-  #include "semphr.h"
-  #include "queue.h"
-  #include "task.h"
-  #include "timers.h"
-
   // Increase stack size when debug log is enabled
   #define USBD_STACK_SIZE    (3*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1)
 #endif
@@ -95,14 +80,10 @@ void cdc_task(void *params);
 int main(void) {
   board_init();
 
+  // Create task for: tinyusb, blinky, cdc
 #if configSUPPORT_STATIC_ALLOCATION
-  // blinky task
   xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef);
-
-  // Create a task for tinyusb device stack
   xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
-
-  // Create CDC task
   xTaskCreateStatic(cdc_task, "cdc", CDC_STACK_SIZE, NULL, configMAX_PRIORITIES - 2, cdc_stack, &cdc_taskdef);
 #else
   xTaskCreate(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, NULL);
@@ -110,15 +91,15 @@ int main(void) {
   xTaskCreate(cdc_task, "cdc", CDC_STACK_SZIE, NULL, configMAX_PRIORITIES - 2, NULL);
 #endif
 
+#if !TUSB_MCU_VENDOR_ESPRESSIF
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-#if !TUP_MCU_ESPRESSIF
   vTaskStartScheduler();
 #endif
 
   return 0;
 }
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 void app_main(void) {
   main();
 }
diff --git a/examples/device/cdc_msc_freertos/src/tusb_config.h b/examples/device/cdc_msc_freertos/src/tusb_config.h
index e743c9148..c3f2f7fb5 100644
--- a/examples/device/cdc_msc_freertos/src/tusb_config.h
+++ b/examples/device/cdc_msc_freertos/src/tusb_config.h
@@ -59,7 +59,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/device/hid_composite_freertos/CMakeLists.txt b/examples/device/hid_composite_freertos/CMakeLists.txt
index eb22014fb..33f3b915f 100644
--- a/examples/device/hid_composite_freertos/CMakeLists.txt
+++ b/examples/device/hid_composite_freertos/CMakeLists.txt
@@ -19,7 +19,6 @@ add_executable(${PROJECT})
 
 # Example source
 target_sources(${PROJECT} PUBLIC
-  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
   )
diff --git a/examples/device/hid_composite_freertos/Makefile b/examples/device/hid_composite_freertos/Makefile
index 88d602393..38d842b3a 100644
--- a/examples/device/hid_composite_freertos/Makefile
+++ b/examples/device/hid_composite_freertos/Makefile
@@ -14,7 +14,6 @@ INC += \
 
 # Example source
 EXAMPLE_SOURCE = \
-	src/freertos_hook.c \
 	src/main.c \
 	src/usb_descriptors.c
 
diff --git a/examples/device/hid_composite_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h b/examples/device/hid_composite_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
index 869500ad2..902a54f08 100644
--- a/examples/device/hid_composite_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/examples/device/hid_composite_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
@@ -48,7 +48,7 @@
 // Include MCU header
 #include "bsp/board_mcu.h"
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #error "ESP32-Sx should use IDF's FreeRTOSConfig.h"
 #endif
 
diff --git a/examples/device/hid_composite_freertos/src/freertos_hook.c b/examples/device/hid_composite_freertos/src/freertos_hook.c
deleted file mode 100644
index 4920e3fae..000000000
--- a/examples/device/hid_composite_freertos/src/freertos_hook.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "FreeRTOS.h"
-#include "task.h"
-#include "common/tusb_common.h"
-
-
-void vApplicationMallocFailedHook(void)
-{
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName)
-{
-  (void) pxTask;
-  (void) pcTaskName;
-
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false, );
-}
-
-/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
- * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
- * used by the Idle task. */
-void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize )
-{
-  /* If the buffers to be provided to the Idle task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xIdleTaskTCB;
-  static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
-    state will be stored. */
-  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
-
-  /* Pass out the array that will be used as the Idle task's stack. */
-  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
-  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
-}
-
-/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
- * application must provide an implementation of vApplicationGetTimerTaskMemory()
- * to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize )
-{
-  /* If the buffers to be provided to the Timer task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xTimerTaskTCB;
-  static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Timer
-    task's state will be stored. */
-  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
-
-  /* Pass out the array that will be used as the Timer task's stack. */
-  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
-  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
-}
-
-#if CFG_TUSB_MCU == OPT_MCU_RX63X | CFG_TUSB_MCU == OPT_MCU_RX65X
-#include "iodefine.h"
-void vApplicationSetupTimerInterrupt(void)
-{
-  /* Enable CMT0 */
-  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
-  MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
-
-  CMT0.CMCNT      = 0;
-  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
-  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
-  IR(CMT0, CMI0)  = 0;
-  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
-  IEN(CMT0, CMI0) = 1;
-  CMT.CMSTR0.BIT.STR0 = 1;
-}
-#endif
diff --git a/examples/device/hid_composite_freertos/src/main.c b/examples/device/hid_composite_freertos/src/main.c
index ae091571e..30c0331ef 100644
--- a/examples/device/hid_composite_freertos/src/main.c
+++ b/examples/device/hid_composite_freertos/src/main.c
@@ -31,7 +31,7 @@
 #include "tusb.h"
 #include "usb_descriptors.h"
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
   // ESP-IDF need "freertos/" prefix in include path.
   // CFG_TUSB_OS_INC_PATH should be defined accordingly.
   #include "freertos/FreeRTOS.h"
@@ -113,14 +113,14 @@ int main(void)
   xTimerStart(blinky_tm, 0);
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-#if !TUP_MCU_ESPRESSIF
+#if !TUSB_MCU_VENDOR_ESPRESSIF
   vTaskStartScheduler();
 #endif
 
   return 0;
 }
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 void app_main(void)
 {
   main();
diff --git a/examples/device/hid_composite_freertos/src/tusb_config.h b/examples/device/hid_composite_freertos/src/tusb_config.h
index 0689e0f23..6ec38b95c 100644
--- a/examples/device/hid_composite_freertos/src/tusb_config.h
+++ b/examples/device/hid_composite_freertos/src/tusb_config.h
@@ -59,7 +59,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/device/midi_test/CMakeLists.txt b/examples/device/midi_test/CMakeLists.txt
index e51f14c02..f61e1b640 100644
--- a/examples/device/midi_test/CMakeLists.txt
+++ b/examples/device/midi_test/CMakeLists.txt
@@ -9,22 +9,24 @@ project(${PROJECT} C CXX ASM)
 
 # Checks this example is valid for the family and initializes the project
 family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
+
 # Espressif has its own cmake build system
 if(FAMILY STREQUAL "espressif")
   return()
 endif()
 
 add_executable(${PROJECT})
+
 # Example source
 target_sources(${PROJECT} PUBLIC
-        ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
-        ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
-        )
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
+  )
 
 # Example include
 target_include_directories(${PROJECT} PUBLIC
-        ${CMAKE_CURRENT_SOURCE_DIR}/src
-        )
+  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  )
 
 # Configure compilation flags and libraries for the example without RTOS.
 # See the corresponding function in hw/bsp/FAMILY/family.cmake for details.
diff --git a/examples/device/midi_test/src/main.c b/examples/device/midi_test/src/main.c
index d7849a2c4..e5c47bdb2 100644
--- a/examples/device/midi_test/src/main.c
+++ b/examples/device/midi_test/src/main.c
@@ -58,8 +58,7 @@ void led_blinking_task(void);
 void midi_task(void);
 
 /*------------- MAIN -------------*/
-int main(void)
-{
+int main(void) {
   board_init();
 
   // init device stack on configured roothub port
@@ -73,8 +72,7 @@ int main(void)
     board_init_after_tusb();
   }
 
-  while (1)
-  {
+  while (1) {
     tud_task(); // tinyusb device task
     led_blinking_task();
     midi_task();
@@ -86,29 +84,25 @@ int main(void)
 //--------------------------------------------------------------------+
 
 // Invoked when device is mounted
-void tud_mount_cb(void)
-{
+void tud_mount_cb(void) {
   blink_interval_ms = BLINK_MOUNTED;
 }
 
 // Invoked when device is unmounted
-void tud_umount_cb(void)
-{
+void tud_umount_cb(void) {
   blink_interval_ms = BLINK_NOT_MOUNTED;
 }
 
 // Invoked when usb bus is suspended
 // remote_wakeup_en : if host allow us  to perform remote wakeup
 // Within 7ms, device must draw an average of current less than 2.5 mA from bus
-void tud_suspend_cb(bool remote_wakeup_en)
-{
+void tud_suspend_cb(bool remote_wakeup_en) {
   (void) remote_wakeup_en;
   blink_interval_ms = BLINK_SUSPENDED;
 }
 
 // Invoked when usb bus is resumed
-void tud_resume_cb(void)
-{
+void tud_resume_cb(void) {
   blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
 }
 
@@ -120,8 +114,7 @@ void tud_resume_cb(void)
 uint32_t note_pos = 0;
 
 // Store example melody as an array of note values
-uint8_t note_sequence[] =
-{
+const uint8_t note_sequence[] = {
   74,78,81,86,90,93,98,102,57,61,66,69,73,78,81,85,88,92,97,100,97,92,88,85,81,78,
   74,69,66,62,57,62,66,69,74,78,81,86,90,93,97,102,97,93,90,85,81,78,73,68,64,61,
   56,61,64,68,74,78,81,86,90,93,98,102
@@ -137,11 +130,15 @@ void midi_task(void)
   // The MIDI interface always creates input and output port/jack descriptors
   // regardless of these being used or not. Therefore incoming traffic should be read
   // (possibly just discarded) to avoid the sender blocking in IO
-  uint8_t packet[4];
-  while ( tud_midi_available() ) tud_midi_packet_read(packet);
+  while (tud_midi_available()) {
+    uint8_t packet[4];
+    tud_midi_packet_read(packet);
+  }
 
   // send note periodically
-  if (board_millis() - start_ms < 286) return; // not enough time
+  if (board_millis() - start_ms < 286) {
+    return; // not enough time
+  }
   start_ms += 286;
 
   // Previous positions in the note sequence.
@@ -149,7 +146,9 @@ void midi_task(void)
 
   // If we currently are at position 0, set the
   // previous position to the last note in the sequence.
-  if (previous < 0) previous = sizeof(note_sequence) - 1;
+  if (previous < 0) {
+    previous = sizeof(note_sequence) - 1;
+  }
 
   // Send Note On for current position at full velocity (127) on channel 1.
   uint8_t note_on[3] = { 0x90 | channel, note_sequence[note_pos], 127 };
@@ -163,7 +162,9 @@ void midi_task(void)
   note_pos++;
 
   // If we are at the end of the sequence, start over.
-  if (note_pos >= sizeof(note_sequence)) note_pos = 0;
+  if (note_pos >= sizeof(note_sequence)) {
+    note_pos = 0;
+  }
 }
 
 //--------------------------------------------------------------------+
diff --git a/examples/device/midi_test/src/usb_descriptors.c b/examples/device/midi_test/src/usb_descriptors.c
index 3870eaaf0..384742ae8 100644
--- a/examples/device/midi_test/src/usb_descriptors.c
+++ b/examples/device/midi_test/src/usb_descriptors.c
@@ -39,8 +39,7 @@
 //--------------------------------------------------------------------+
 // Device Descriptors
 //--------------------------------------------------------------------+
-tusb_desc_device_t const desc_device =
-{
+tusb_desc_device_t const desc_device = {
     .bLength            = sizeof(tusb_desc_device_t),
     .bDescriptorType    = TUSB_DESC_DEVICE,
     .bcdUSB             = 0x0200,
@@ -62,18 +61,13 @@ tusb_desc_device_t const desc_device =
 
 // Invoked when received GET DEVICE DESCRIPTOR
 // Application return pointer to descriptor
-uint8_t const * tud_descriptor_device_cb(void)
-{
+uint8_t const * tud_descriptor_device_cb(void) {
   return (uint8_t const *) &desc_device;
 }
-
-
 //--------------------------------------------------------------------+
 // Configuration Descriptor
 //--------------------------------------------------------------------+
-
-enum
-{
+enum {
   ITF_NUM_MIDI = 0,
   ITF_NUM_MIDI_STREAMING,
   ITF_NUM_TOTAL
@@ -104,8 +98,7 @@ enum
   #define EPNUM_MIDI_IN   0x81
 #endif
 
-uint8_t const desc_fs_configuration[] =
-{
+uint8_t const desc_fs_configuration[] = {
   // Config number, interface count, string index, total length, attribute, power in mA
   TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
 
@@ -114,8 +107,7 @@ uint8_t const desc_fs_configuration[] =
 };
 
 #if TUD_OPT_HIGH_SPEED
-uint8_t const desc_hs_configuration[] =
-{
+uint8_t const desc_hs_configuration[] = {
   // Config number, interface count, string index, total length, attribute, power in mA
   TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
 
@@ -127,8 +119,7 @@ uint8_t const desc_hs_configuration[] =
 // Invoked when received GET CONFIGURATION DESCRIPTOR
 // Application return pointer to descriptor
 // Descriptor contents must exist long enough for transfer to complete
-uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
-{
+uint8_t const * tud_descriptor_configuration_cb(uint8_t index) {
   (void) index; // for multiple configurations
 
 #if TUD_OPT_HIGH_SPEED
@@ -152,8 +143,7 @@ enum {
 };
 
 // array of pointer to string descriptors
-char const *string_desc_arr[] =
-{
+char const *string_desc_arr[] = {
   (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
   "TinyUSB",                     // 1: Manufacturer
   "TinyUSB Device",              // 2: Product
@@ -182,14 +172,18 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
       // Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
       // https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
 
-      if ( !(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0])) ) return NULL;
+      if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0]))) {
+        return NULL;
+      }
 
       const char *str = string_desc_arr[index];
 
       // Cap at max char
       chr_count = strlen(str);
-      size_t const max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
-      if ( chr_count > max_count ) chr_count = max_count;
+      const size_t max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
+      if ( chr_count > max_count ) {
+        chr_count = max_count;
+      }
 
       // Convert ASCII string into UTF-16
       for ( size_t i = 0; i < chr_count; i++ ) {
diff --git a/examples/device/midi_test_freertos/CMakeLists.txt b/examples/device/midi_test_freertos/CMakeLists.txt
new file mode 100644
index 000000000..33f3b915f
--- /dev/null
+++ b/examples/device/midi_test_freertos/CMakeLists.txt
@@ -0,0 +1,33 @@
+cmake_minimum_required(VERSION 3.17)
+
+include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake)
+
+# gets PROJECT name for the example (e.g. <BOARD>-<DIR_NAME>)
+family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR})
+
+project(${PROJECT} C CXX ASM)
+
+# Checks this example is valid for the family and initializes the project
+family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
+
+# Espressif has its own cmake build system
+if(FAMILY STREQUAL "espressif")
+  return()
+endif()
+
+add_executable(${PROJECT})
+
+# Example source
+target_sources(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
+  )
+
+# Example include
+target_include_directories(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  )
+
+# Configure compilation flags and libraries for the example with FreeRTOS.
+# See the corresponding function in hw/bsp/FAMILY/family.cmake for details.
+family_configure_device_example(${PROJECT} freertos)
diff --git a/examples/device/midi_test_freertos/Makefile b/examples/device/midi_test_freertos/Makefile
new file mode 100644
index 000000000..0f504bbe6
--- /dev/null
+++ b/examples/device/midi_test_freertos/Makefile
@@ -0,0 +1,40 @@
+include ../../build_system/make/make.mk
+
+FREERTOS_SRC = lib/FreeRTOS-Kernel
+FREERTOS_PORTABLE_PATH = $(FREERTOS_SRC)/portable/$(if $(findstring iar,$(TOOLCHAIN)),IAR,GCC)
+
+INC += \
+	src \
+	$(TOP)/hw \
+	${TOP}/${FAMILY_PATH}/FreeRTOSConfig \
+	$(TOP)/$(FREERTOS_SRC)/include \
+	$(TOP)/$(FREERTOS_PORTABLE_SRC) \
+
+# Example source
+EXAMPLE_SOURCE += \
+  src/main.c \
+  src/usb_descriptors.c \
+
+SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
+
+# FreeRTOS source, all files in port folder
+SRC_C += \
+	$(FREERTOS_SRC)/list.c \
+	$(FREERTOS_SRC)/queue.c \
+	$(FREERTOS_SRC)/tasks.c \
+	$(FREERTOS_SRC)/timers.c \
+	$(subst $(TOP)/,,$(wildcard $(TOP)/$(FREERTOS_PORTABLE_SRC)/*.c))
+
+SRC_S += \
+	$(subst $(TOP)/,,$(wildcard $(TOP)/$(FREERTOS_PORTABLE_SRC)/*.s))
+
+# Suppress FreeRTOSConfig.h warnings
+CFLAGS_GCC += -Wno-error=redundant-decls
+
+# Suppress FreeRTOS source warnings
+CFLAGS_GCC += -Wno-error=cast-qual
+
+# FreeRTOS (lto + Os) linker issue
+LDFLAGS_GCC += -Wl,--undefined=vTaskSwitchContext
+
+include ../../build_system/make/rules.mk
diff --git a/examples/device/midi_test_freertos/skip.txt b/examples/device/midi_test_freertos/skip.txt
new file mode 100644
index 000000000..650bf355b
--- /dev/null
+++ b/examples/device/midi_test_freertos/skip.txt
@@ -0,0 +1,16 @@
+mcu:CH32V103
+mcu:CH32V20X
+mcu:CH32V307
+mcu:CXD56
+mcu:F1C100S
+mcu:GD32VF103
+mcu:MCXA15
+mcu:MKL25ZXX
+mcu:MSP430x5xx
+mcu:RP2040
+mcu:SAMD11
+mcu:SAMX7X
+mcu:VALENTYUSB_EPTRI
+mcu:RAXXX
+family:broadcom_32bit
+family:broadcom_64bit
diff --git a/examples/device/midi_test_freertos/src/CMakeLists.txt b/examples/device/midi_test_freertos/src/CMakeLists.txt
new file mode 100644
index 000000000..9bd427c89
--- /dev/null
+++ b/examples/device/midi_test_freertos/src/CMakeLists.txt
@@ -0,0 +1,4 @@
+# This file is for ESP-IDF only
+idf_component_register(SRCS main.c usb_descriptors.c
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)
diff --git a/examples/device/midi_test_freertos/src/main.c b/examples/device/midi_test_freertos/src/main.c
new file mode 100644
index 000000000..dbe89080c
--- /dev/null
+++ b/examples/device/midi_test_freertos/src/main.c
@@ -0,0 +1,239 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "bsp/board_api.h"
+#include "tusb.h"
+
+/* This MIDI example send sequence of note (on/off) repeatedly. To test on PC, you need to install
+ * synth software and midi connection management software. On
+ * - Linux (Ubuntu): install qsynth, qjackctl. Then connect TinyUSB output port to FLUID Synth input port
+ * - Windows: install MIDI-OX
+ * - MacOS: SimpleSynth
+ */
+
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF PROTYPES
+//--------------------------------------------------------------------+
+#if TUSB_MCU_VENDOR_ESPRESSIF
+  #define USBD_STACK_SIZE     4096
+#else
+  // Increase stack size when debug log is enabled
+  #define USBD_STACK_SIZE    (3*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1)
+#endif
+
+#define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
+#define MIDI_STACK_SIZE     configMINIMAL_STACK_SIZE
+
+// static task
+#if configSUPPORT_STATIC_ALLOCATION
+StackType_t blinky_stack[BLINKY_STACK_SIZE];
+StaticTask_t blinky_taskdef;
+
+StackType_t  usb_device_stack[USBD_STACK_SIZE];
+StaticTask_t usb_device_taskdef;
+
+StackType_t  midi_stack[MIDI_STACK_SIZE];
+StaticTask_t midi_taskdef;
+#endif
+
+/* Blink pattern
+ * - 250 ms  : device not mounted
+ * - 1000 ms : device mounted
+ * - 2500 ms : device is suspended
+ */
+enum  {
+  BLINK_NOT_MOUNTED = 250,
+  BLINK_MOUNTED = 1000,
+  BLINK_SUSPENDED = 2500,
+};
+
+static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
+
+void usb_device_task(void *param);
+void led_blinking_task(void* param);
+void midi_task(void* param);
+
+//--------------------------------------------------------------------+
+// Main
+//--------------------------------------------------------------------+
+int main(void) {
+  board_init();
+
+#if configSUPPORT_STATIC_ALLOCATION
+  xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef);
+  xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
+  xTaskCreateStatic(midi_task, "midi", MIDI_STACK_SIZE, NULL, configMAX_PRIORITIES - 2, midi_stack, &midi_taskdef);
+#else
+  xTaskCreate(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, NULL);
+  xTaskCreate(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
+  xTaskCreate(midi_task, "midi", MIDI_STACK_SIZE, NULL, configMAX_PRIORITIES - 2, NULL);
+#endif
+
+#if !TUSB_MCU_VENDOR_ESPRESSIF
+  // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
+  vTaskStartScheduler();
+#endif
+
+  return 0;
+}
+
+#if TUSB_MCU_VENDOR_ESPRESSIF
+void app_main(void) {
+  main();
+}
+#endif
+
+// USB Device Driver task
+// This top level thread process all usb events and invoke callbacks
+void usb_device_task(void *param) {
+  (void) param;
+
+  // init device stack on configured roothub port
+  // This should be called after scheduler/kernel is started.
+  // Otherwise it could cause kernel issue since USB IRQ handler does use RTOS queue API.
+  tusb_rhport_init_t dev_init = {
+    .role = TUSB_ROLE_DEVICE,
+    .speed = TUSB_SPEED_AUTO
+  };
+  tusb_init(BOARD_TUD_RHPORT, &dev_init);
+
+  if (board_init_after_tusb) {
+    board_init_after_tusb();
+  }
+
+  // RTOS forever loop
+  while (1) {
+    // put this thread to waiting state until there is new events
+    tud_task();
+  }
+}
+
+//--------------------------------------------------------------------+
+// Device callbacks
+//--------------------------------------------------------------------+
+
+// Invoked when device is mounted
+void tud_mount_cb(void) {
+  blink_interval_ms = BLINK_MOUNTED;
+}
+
+// Invoked when device is unmounted
+void tud_umount_cb(void) {
+  blink_interval_ms = BLINK_NOT_MOUNTED;
+}
+
+// Invoked when usb bus is suspended
+// remote_wakeup_en : if host allow us  to perform remote wakeup
+// Within 7ms, device must draw an average of current less than 2.5 mA from bus
+void tud_suspend_cb(bool remote_wakeup_en) {
+  (void) remote_wakeup_en;
+  blink_interval_ms = BLINK_SUSPENDED;
+}
+
+// Invoked when usb bus is resumed
+void tud_resume_cb(void) {
+  blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
+}
+
+//--------------------------------------------------------------------+
+// MIDI Task
+//--------------------------------------------------------------------+
+
+// Store example melody as an array of note values
+const uint8_t note_sequence[] = {
+  74,78,81,86,90,93,98,102,57,61,66,69,73,78,81,85,88,92,97,100,97,92,88,85,81,78,
+  74,69,66,62,57,62,66,69,74,78,81,86,90,93,97,102,97,93,90,85,81,78,73,68,64,61,
+  56,61,64,68,74,78,81,86,90,93,98,102
+};
+
+void midi_task(void* param) {
+  (void) param;
+
+  const uint8_t cable_num = 0; // MIDI jack associated with USB endpoint
+  const uint8_t channel   = 0; // 0 for channel 1
+
+  // Variable that holds the current position in the sequence.
+  uint32_t note_pos = 0;
+
+  while (1) {
+    // send note periodically
+    vTaskDelay(286  / portTICK_PERIOD_MS);
+
+    // Previous positions in the note sequence.
+    int previous = (int) (note_pos - 1);
+
+    // If we currently are at position 0, set the
+    // previous position to the last note in the sequence.
+    if (previous < 0) {
+      previous = sizeof(note_sequence) - 1;
+    }
+
+    // Send Note On for current position at full velocity (127) on channel 1.
+    uint8_t note_on[3] = { 0x90 | channel, note_sequence[note_pos], 127 };
+    tud_midi_stream_write(cable_num, note_on, 3);
+
+    // Send Note Off for previous note.
+    uint8_t note_off[3] = { 0x80 | channel, note_sequence[previous], 0};
+    tud_midi_stream_write(cable_num, note_off, 3);
+
+    // Increment position
+    note_pos++;
+
+    // If we are at the end of the sequence, start over.
+    if (note_pos >= sizeof(note_sequence)) {
+      note_pos = 0;
+    }
+
+    // The MIDI interface always creates input and output port/jack descriptors
+    // regardless of these being used or not. Therefore incoming traffic should be read
+    // (possibly just discarded) to avoid the sender blocking in IO
+    while (tud_midi_available()) {
+      uint8_t packet[4];
+      tud_midi_packet_read(packet);
+    }
+  }
+}
+
+//--------------------------------------------------------------------+
+// BLINKING TASK
+//--------------------------------------------------------------------+
+void led_blinking_task(void* param) {
+  (void) param;
+  static uint32_t start_ms = 0;
+  static bool led_state = false;
+
+  while (1) {
+    // Blink every interval ms
+    vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
+    start_ms += blink_interval_ms;
+
+    board_led_write(led_state);
+    led_state = 1 - led_state; // toggle
+  }
+}
diff --git a/examples/device/midi_test_freertos/src/tusb_config.h b/examples/device/midi_test_freertos/src/tusb_config.h
new file mode 100644
index 000000000..0ffdc37fb
--- /dev/null
+++ b/examples/device/midi_test_freertos/src/tusb_config.h
@@ -0,0 +1,108 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#ifndef _TUSB_CONFIG_H_
+#define _TUSB_CONFIG_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+//--------------------------------------------------------------------+
+// Board Specific Configuration
+//--------------------------------------------------------------------+
+
+// RHPort number used for device can be defined by board.mk, default to port 0
+#ifndef BOARD_TUD_RHPORT
+#define BOARD_TUD_RHPORT      0
+#endif
+
+// RHPort max operational speed can defined by board.mk
+#ifndef BOARD_TUD_MAX_SPEED
+#define BOARD_TUD_MAX_SPEED   OPT_MODE_DEFAULT_SPEED
+#endif
+
+//--------------------------------------------------------------------
+// COMMON CONFIGURATION
+//--------------------------------------------------------------------
+
+// defined by compiler flags for flexibility
+#ifndef CFG_TUSB_MCU
+#error CFG_TUSB_MCU must be defined
+#endif
+
+#ifndef CFG_TUSB_OS
+#define CFG_TUSB_OS           OPT_OS_FREERTOS
+#endif
+
+#ifndef CFG_TUSB_DEBUG
+#define CFG_TUSB_DEBUG        0
+#endif
+
+// Enable Device stack
+#define CFG_TUD_ENABLED       1
+
+// Default is max speed that hardware controller could support with on-chip PHY
+#define CFG_TUD_MAX_SPEED     BOARD_TUD_MAX_SPEED
+
+/* USB DMA on some MCUs can only access a specific SRAM region with restriction on alignment.
+ * Tinyusb use follows macros to declare transferring memory so that they can be put
+ * into those specific section.
+ * e.g
+ * - CFG_TUSB_MEM SECTION : __attribute__ (( section(".usb_ram") ))
+ * - CFG_TUSB_MEM_ALIGN   : __attribute__ ((aligned(4)))
+ */
+#ifndef CFG_TUSB_MEM_SECTION
+#define CFG_TUSB_MEM_SECTION
+#endif
+
+#ifndef CFG_TUSB_MEM_ALIGN
+#define CFG_TUSB_MEM_ALIGN        __attribute__ ((aligned(4)))
+#endif
+
+//--------------------------------------------------------------------
+// DEVICE CONFIGURATION
+//--------------------------------------------------------------------
+
+#ifndef CFG_TUD_ENDPOINT0_SIZE
+#define CFG_TUD_ENDPOINT0_SIZE    64
+#endif
+
+//------------- CLASS -------------//
+#define CFG_TUD_CDC               0
+#define CFG_TUD_MSC               0
+#define CFG_TUD_HID               0
+#define CFG_TUD_MIDI              1
+#define CFG_TUD_VENDOR            0
+
+// MIDI FIFO size of TX and RX
+#define CFG_TUD_MIDI_RX_BUFSIZE   (TUD_OPT_HIGH_SPEED ? 512 : 64)
+#define CFG_TUD_MIDI_TX_BUFSIZE   (TUD_OPT_HIGH_SPEED ? 512 : 64)
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_CONFIG_H_ */
diff --git a/examples/device/midi_test_freertos/src/usb_descriptors.c b/examples/device/midi_test_freertos/src/usb_descriptors.c
new file mode 100644
index 000000000..384742ae8
--- /dev/null
+++ b/examples/device/midi_test_freertos/src/usb_descriptors.c
@@ -0,0 +1,199 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#include "bsp/board_api.h"
+#include "tusb.h"
+
+/* A combination of interfaces must have a unique product id, since PC will save device driver after the first plug.
+ * Same VID/PID with different interface e.g MSC (first), then CDC (later) will possibly cause system error on PC.
+ *
+ * Auto ProductID layout's Bitmap:
+ *   [MSB]         HID | MSC | CDC          [LSB]
+ */
+#define _PID_MAP(itf, n)  ( (CFG_TUD_##itf) << (n) )
+#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
+                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+
+//--------------------------------------------------------------------+
+// Device Descriptors
+//--------------------------------------------------------------------+
+tusb_desc_device_t const desc_device = {
+    .bLength            = sizeof(tusb_desc_device_t),
+    .bDescriptorType    = TUSB_DESC_DEVICE,
+    .bcdUSB             = 0x0200,
+    .bDeviceClass       = 0x00,
+    .bDeviceSubClass    = 0x00,
+    .bDeviceProtocol    = 0x00,
+    .bMaxPacketSize0    = CFG_TUD_ENDPOINT0_SIZE,
+
+    .idVendor           = 0xCafe,
+    .idProduct          = USB_PID,
+    .bcdDevice          = 0x0100,
+
+    .iManufacturer      = 0x01,
+    .iProduct           = 0x02,
+    .iSerialNumber      = 0x03,
+
+    .bNumConfigurations = 0x01
+};
+
+// Invoked when received GET DEVICE DESCRIPTOR
+// Application return pointer to descriptor
+uint8_t const * tud_descriptor_device_cb(void) {
+  return (uint8_t const *) &desc_device;
+}
+//--------------------------------------------------------------------+
+// Configuration Descriptor
+//--------------------------------------------------------------------+
+enum {
+  ITF_NUM_MIDI = 0,
+  ITF_NUM_MIDI_STREAMING,
+  ITF_NUM_TOTAL
+};
+
+#define CONFIG_TOTAL_LEN  (TUD_CONFIG_DESC_LEN + TUD_MIDI_DESC_LEN)
+
+#if CFG_TUSB_MCU == OPT_MCU_LPC175X_6X || CFG_TUSB_MCU == OPT_MCU_LPC177X_8X || CFG_TUSB_MCU == OPT_MCU_LPC40XX
+  // LPC 17xx and 40xx endpoint type (bulk/interrupt/iso) are fixed by its number
+  // 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ...
+  #define EPNUM_MIDI_OUT  0x02
+  #define EPNUM_MIDI_IN   0x82
+
+#elif CFG_TUSB_MCU == OPT_MCU_CXD56
+  // CXD56 USB driver has fixed endpoint type (bulk/interrupt/iso) and direction (IN/OUT) by its number
+  // 0 control (IN/OUT), 1 Bulk (IN), 2 Bulk (OUT), 3 In (IN), 4 Bulk (IN), 5 Bulk (OUT), 6 In (IN)
+  #define EPNUM_MIDI_OUT  0x02
+  #define EPNUM_MIDI_IN   0x81
+
+#elif defined(TUD_ENDPOINT_ONE_DIRECTION_ONLY)
+  // MCUs that don't support a same endpoint number with different direction IN and OUT defined in tusb_mcu.h
+  //    e.g EP1 OUT & EP1 IN cannot exist together
+  #define EPNUM_MIDI_OUT  0x01
+  #define EPNUM_MIDI_IN   0x82
+
+#else
+  #define EPNUM_MIDI_OUT  0x01
+  #define EPNUM_MIDI_IN   0x81
+#endif
+
+uint8_t const desc_fs_configuration[] = {
+  // Config number, interface count, string index, total length, attribute, power in mA
+  TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
+
+  // Interface number, string index, EP Out & EP In address, EP size
+  TUD_MIDI_DESCRIPTOR(ITF_NUM_MIDI, 0, EPNUM_MIDI_OUT, (0x80 | EPNUM_MIDI_IN), 64)
+};
+
+#if TUD_OPT_HIGH_SPEED
+uint8_t const desc_hs_configuration[] = {
+  // Config number, interface count, string index, total length, attribute, power in mA
+  TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
+
+  // Interface number, string index, EP Out & EP In address, EP size
+  TUD_MIDI_DESCRIPTOR(ITF_NUM_MIDI, 0, EPNUM_MIDI_OUT, (0x80 | EPNUM_MIDI_IN), 512)
+};
+#endif
+
+// Invoked when received GET CONFIGURATION DESCRIPTOR
+// Application return pointer to descriptor
+// Descriptor contents must exist long enough for transfer to complete
+uint8_t const * tud_descriptor_configuration_cb(uint8_t index) {
+  (void) index; // for multiple configurations
+
+#if TUD_OPT_HIGH_SPEED
+  // Although we are highspeed, host may be fullspeed.
+  return (tud_speed_get() == TUSB_SPEED_HIGH) ?  desc_hs_configuration : desc_fs_configuration;
+#else
+  return desc_fs_configuration;
+#endif
+}
+
+//--------------------------------------------------------------------+
+// String Descriptors
+//--------------------------------------------------------------------+
+
+// String Descriptor Index
+enum {
+  STRID_LANGID = 0,
+  STRID_MANUFACTURER,
+  STRID_PRODUCT,
+  STRID_SERIAL,
+};
+
+// array of pointer to string descriptors
+char const *string_desc_arr[] = {
+  (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
+  "TinyUSB",                     // 1: Manufacturer
+  "TinyUSB Device",              // 2: Product
+  NULL,                          // 3: Serials will use unique ID if possible
+};
+
+static uint16_t _desc_str[32 + 1];
+
+// Invoked when received GET STRING DESCRIPTOR request
+// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
+uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid) {
+  (void) langid;
+  size_t chr_count;
+
+  switch ( index ) {
+    case STRID_LANGID:
+      memcpy(&_desc_str[1], string_desc_arr[0], 2);
+      chr_count = 1;
+      break;
+
+    case STRID_SERIAL:
+      chr_count = board_usb_get_serial(_desc_str + 1, 32);
+      break;
+
+    default:
+      // Note: the 0xEE index string is a Microsoft OS 1.0 Descriptors.
+      // https://docs.microsoft.com/en-us/windows-hardware/drivers/usbcon/microsoft-defined-usb-descriptors
+
+      if (!(index < sizeof(string_desc_arr) / sizeof(string_desc_arr[0]))) {
+        return NULL;
+      }
+
+      const char *str = string_desc_arr[index];
+
+      // Cap at max char
+      chr_count = strlen(str);
+      const size_t max_count = sizeof(_desc_str) / sizeof(_desc_str[0]) - 1; // -1 for string type
+      if ( chr_count > max_count ) {
+        chr_count = max_count;
+      }
+
+      // Convert ASCII string into UTF-16
+      for ( size_t i = 0; i < chr_count; i++ ) {
+        _desc_str[1 + i] = str[i];
+      }
+      break;
+  }
+
+  // first byte is length (including header), second byte is string type
+  _desc_str[0] = (uint16_t) ((TUSB_DESC_STRING << 8) | (2 * chr_count + 2));
+
+  return _desc_str;
+}
diff --git a/examples/device/net_lwip_webserver/src/main.c b/examples/device/net_lwip_webserver/src/main.c
index 8af7a9de6..36f402332 100644
--- a/examples/device/net_lwip_webserver/src/main.c
+++ b/examples/device/net_lwip_webserver/src/main.c
@@ -194,8 +194,13 @@ uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) {
 static void service_traffic(void) {
   /* handle any packet received by tud_network_recv_cb() */
   if (received_frame) {
-    ethernet_input(received_frame, &netif_data);
-    pbuf_free(received_frame);
+    // Surrender ownership of our pbuf unless there was an error
+    // Only call pbuf_free if not Ok else it will panic with "pbuf_free: p->ref > 0"
+    // or steal it from whatever took ownership of it with undefined consequences.
+    // See: https://savannah.nongnu.org/patch/index.php?10121
+    if (ethernet_input(received_frame, &netif_data)!=ERR_OK) {
+        pbuf_free(received_frame);
+    }
     received_frame = NULL;
     tud_network_recv_renew();
   }
diff --git a/examples/device/net_lwip_webserver/src/usb_descriptors.c b/examples/device/net_lwip_webserver/src/usb_descriptors.c
index d061f5076..cd800f521 100644
--- a/examples/device/net_lwip_webserver/src/usb_descriptors.c
+++ b/examples/device/net_lwip_webserver/src/usb_descriptors.c
@@ -72,8 +72,11 @@ tusb_desc_device_t const desc_device =
 {
     .bLength            = sizeof(tusb_desc_device_t),
     .bDescriptorType    = TUSB_DESC_DEVICE,
+#if CFG_TUD_NCM
+    .bcdUSB             = 0x0201,
+#else
     .bcdUSB             = 0x0200,
-
+#endif
     // Use Interface Association Descriptor (IAD) device class
     .bDeviceClass       = TUSB_CLASS_MISC,
     .bDeviceSubClass    = MISC_SUBCLASS_COMMON,
@@ -188,6 +191,110 @@ uint8_t const * tud_descriptor_configuration_cb(uint8_t index)
   return (index < CONFIG_ID_COUNT) ? configuration_arr[index] : NULL;
 }
 
+#if CFG_TUD_NCM
+//--------------------------------------------------------------------+
+// BOS Descriptor
+//--------------------------------------------------------------------+
+
+/* Used to automatically load the NCM driver on Windows 10, otherwise manual driver install is needed.
+   Associate NCM interface with WINNCM driver. */
+
+/* Microsoft OS 2.0 registry property descriptor
+Per MS requirements https://msdn.microsoft.com/en-us/library/windows/hardware/hh450799(v=vs.85).aspx
+device should create DeviceInterfaceGUIDs. It can be done by driver and
+in case of real PnP solution device should expose MS "Microsoft OS 2.0
+registry property descriptor". Such descriptor can insert any record
+into Windows registry per device/configuration/interface. In our case it
+will insert "DeviceInterfaceGUIDs" multistring property.
+
+GUID is freshly generated and should be OK to use.
+
+https://developers.google.com/web/fundamentals/native-hardware/build-for-webusb/
+(Section Microsoft OS compatibility descriptors)
+*/
+
+#define BOS_TOTAL_LEN      (TUD_BOS_DESC_LEN + TUD_BOS_MICROSOFT_OS_DESC_LEN)
+
+#define MS_OS_20_DESC_LEN  0xB2
+
+// BOS Descriptor is required for webUSB
+uint8_t const desc_bos[] =
+{
+  // total length, number of device caps
+  TUD_BOS_DESCRIPTOR(BOS_TOTAL_LEN, 1),
+
+  // Microsoft OS 2.0 descriptor
+  TUD_BOS_MS_OS_20_DESCRIPTOR(MS_OS_20_DESC_LEN, 1)
+};
+
+uint8_t const * tud_descriptor_bos_cb(void)
+{
+  return desc_bos;
+}
+
+uint8_t const desc_ms_os_20[] =
+{
+  // Set header: length, type, windows version, total length
+  U16_TO_U8S_LE(0x000A), U16_TO_U8S_LE(MS_OS_20_SET_HEADER_DESCRIPTOR), U32_TO_U8S_LE(0x06030000), U16_TO_U8S_LE(MS_OS_20_DESC_LEN),
+
+  // Configuration subset header: length, type, configuration index, reserved, configuration total length
+  U16_TO_U8S_LE(0x0008), U16_TO_U8S_LE(MS_OS_20_SUBSET_HEADER_CONFIGURATION), 0, 0, U16_TO_U8S_LE(MS_OS_20_DESC_LEN-0x0A),
+
+  // Function Subset header: length, type, first interface, reserved, subset length
+  U16_TO_U8S_LE(0x0008), U16_TO_U8S_LE(MS_OS_20_SUBSET_HEADER_FUNCTION), ITF_NUM_CDC, 0, U16_TO_U8S_LE(MS_OS_20_DESC_LEN-0x0A-0x08),
+
+  // MS OS 2.0 Compatible ID descriptor: length, type, compatible ID, sub compatible ID
+  U16_TO_U8S_LE(0x0014), U16_TO_U8S_LE(MS_OS_20_FEATURE_COMPATBLE_ID), 'W', 'I', 'N', 'N', 'C', 'M', 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // sub-compatible
+
+  // MS OS 2.0 Registry property descriptor: length, type
+  U16_TO_U8S_LE(MS_OS_20_DESC_LEN-0x0A-0x08-0x08-0x14), U16_TO_U8S_LE(MS_OS_20_FEATURE_REG_PROPERTY),
+  U16_TO_U8S_LE(0x0007), U16_TO_U8S_LE(0x002A), // wPropertyDataType, wPropertyNameLength and PropertyName "DeviceInterfaceGUIDs\0" in UTF-16
+  'D', 0x00, 'e', 0x00, 'v', 0x00, 'i', 0x00, 'c', 0x00, 'e', 0x00, 'I', 0x00, 'n', 0x00, 't', 0x00, 'e', 0x00,
+  'r', 0x00, 'f', 0x00, 'a', 0x00, 'c', 0x00, 'e', 0x00, 'G', 0x00, 'U', 0x00, 'I', 0x00, 'D', 0x00, 's', 0x00, 0x00, 0x00,
+  U16_TO_U8S_LE(0x0050), // wPropertyDataLength
+	//bPropertyData: {12345678-0D08-43FD-8B3E-127CA8AFFF9D}
+  '{', 0x00, '1', 0x00, '2', 0x00, '3', 0x00, '4', 0x00, '5', 0x00, '6', 0x00, '7', 0x00, '8', 0x00, '-', 0x00,
+  '0', 0x00, 'D', 0x00, '0', 0x00, '8', 0x00, '-', 0x00, '4', 0x00, '3', 0x00, 'F', 0x00, 'D', 0x00, '-', 0x00,
+  '8', 0x00, 'B', 0x00, '3', 0x00, 'E', 0x00, '-', 0x00, '1', 0x00, '2', 0x00, '7', 0x00, 'C', 0x00, 'A', 0x00,
+  '8', 0x00, 'A', 0x00, 'F', 0x00, 'F', 0x00, 'F', 0x00, '9', 0x00, 'D', 0x00, '}', 0x00, 0x00, 0x00, 0x00, 0x00
+};
+
+TU_VERIFY_STATIC(sizeof(desc_ms_os_20) == MS_OS_20_DESC_LEN, "Incorrect size");
+
+// Invoked when a control transfer occurred on an interface of this class
+// Driver response accordingly to the request and the transfer stage (setup/data/ack)
+// return false to stall control endpoint (e.g unsupported request)
+bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const* request) {
+  // nothing to with DATA & ACK stage
+  if (stage != CONTROL_STAGE_SETUP) return true;
+
+  switch (request->bmRequestType_bit.type) {
+    case TUSB_REQ_TYPE_VENDOR:
+      switch (request->bRequest) {
+        case 1:
+          if (request->wIndex == 7) {
+            // Get Microsoft OS 2.0 compatible descriptor
+            uint16_t total_len;
+            memcpy(&total_len, desc_ms_os_20 + 8, 2);
+
+            return tud_control_xfer(rhport, request, (void*)(uintptr_t)desc_ms_os_20, total_len);
+          } else {
+            return false;
+          }
+
+        default: break;
+      }
+      break;
+
+    default: break;
+  }
+
+  // stall unknown request
+  return false;
+}
+
+#endif
 //--------------------------------------------------------------------+
 // String Descriptors
 //--------------------------------------------------------------------+
diff --git a/examples/device/uac2_headset/src/tusb_config.h b/examples/device/uac2_headset/src/tusb_config.h
index 328e35f52..c921a37ae 100644
--- a/examples/device/uac2_headset/src/tusb_config.h
+++ b/examples/device/uac2_headset/src/tusb_config.h
@@ -146,7 +146,7 @@ extern "C" {
 #define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN    TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX)
 #define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN    TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX)
 
-#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ      TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN)*2
+#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ      TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN)*4
 #define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX         TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN) // Maximum EP IN size for all AS alternate settings used
 
 // EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
diff --git a/examples/device/video_capture/src/main.c b/examples/device/video_capture/src/main.c
index aeeeb8930..8bb924c61 100644
--- a/examples/device/video_capture/src/main.c
+++ b/examples/device/video_capture/src/main.c
@@ -292,7 +292,7 @@ void led_blinking_task(void* param) {
 #define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
 #define VIDEO_STACK_SIZE    (configMINIMAL_STACK_SIZE*4)
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #define USBD_STACK_SIZE     4096
   int main(void);
   void app_main(void) {
@@ -352,7 +352,7 @@ void freertos_init_task(void) {
   #endif
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-  #if !TUP_MCU_ESPRESSIF
+  #if !TUSB_MCU_VENDOR_ESPRESSIF
   vTaskStartScheduler();
   #endif
 }
diff --git a/examples/device/video_capture/src/tusb_config.h b/examples/device/video_capture/src/tusb_config.h
index 3a6daa3d3..6dbd6f2a5 100644
--- a/examples/device/video_capture/src/tusb_config.h
+++ b/examples/device/video_capture/src/tusb_config.h
@@ -58,7 +58,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/device/video_capture_2ch/src/main.c b/examples/device/video_capture_2ch/src/main.c
index dd6983766..245e7abb8 100644
--- a/examples/device/video_capture_2ch/src/main.c
+++ b/examples/device/video_capture_2ch/src/main.c
@@ -300,7 +300,7 @@ void led_blinking_task(void* param) {
 #define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
 #define VIDEO_STACK_SIZE    (configMINIMAL_STACK_SIZE*4)
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #define USBD_STACK_SIZE     4096
   int main(void);
   void app_main(void) {
@@ -360,7 +360,7 @@ void freertos_init_task(void) {
   #endif
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-  #if !TUP_MCU_ESPRESSIF
+  #if !TUSB_MCU_VENDOR_ESPRESSIF
   vTaskStartScheduler();
   #endif
 }
diff --git a/examples/device/video_capture_2ch/src/tusb_config.h b/examples/device/video_capture_2ch/src/tusb_config.h
index 43c7dfc90..91775a327 100644
--- a/examples/device/video_capture_2ch/src/tusb_config.h
+++ b/examples/device/video_capture_2ch/src/tusb_config.h
@@ -58,7 +58,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/dual/host_hid_to_device_cdc/CMakeLists.txt b/examples/dual/host_hid_to_device_cdc/CMakeLists.txt
index a6557c2d0..54e36e3d3 100644
--- a/examples/dual/host_hid_to_device_cdc/CMakeLists.txt
+++ b/examples/dual/host_hid_to_device_cdc/CMakeLists.txt
@@ -28,13 +28,15 @@ target_include_directories(${PROJECT} PUBLIC
 family_configure_dual_usb_example(${PROJECT} noos)
 
 # due to warnings from Pico-PIO-USB
-target_compile_options(${PROJECT} PUBLIC
-  -Wno-error=shadow
-  -Wno-error=cast-align
-  -Wno-error=cast-qual
-  -Wno-error=redundant-decls
-  -Wno-error=sign-conversion
-  -Wno-error=conversion
-  -Wno-error=sign-compare
-  -Wno-error=unused-function
-  )
+if (FAMILY STREQUAL rp2040)
+  target_compile_options(${PROJECT} PUBLIC
+    -Wno-error=shadow
+    -Wno-error=cast-align
+    -Wno-error=cast-qual
+    -Wno-error=redundant-decls
+    -Wno-error=sign-conversion
+    -Wno-error=conversion
+    -Wno-error=sign-compare
+    -Wno-error=unused-function
+    )
+endif ()
diff --git a/examples/dual/host_hid_to_device_cdc/Makefile b/examples/dual/host_hid_to_device_cdc/Makefile
index 2c2168f5d..474ae9814 100644
--- a/examples/dual/host_hid_to_device_cdc/Makefile
+++ b/examples/dual/host_hid_to_device_cdc/Makefile
@@ -8,7 +8,7 @@ INC += \
 EXAMPLE_SOURCE += $(wildcard src/*.c)
 SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
 
-CFLAGS += -Wno-error=cast-align -Wno-error=null-dereference
+CFLAGS_GCC += -Wno-error=cast-align -Wno-error=null-dereference
 
 SRC_C += \
 	src/class/hid/hid_host.c \
diff --git a/examples/dual/host_hid_to_device_cdc/only.txt b/examples/dual/host_hid_to_device_cdc/only.txt
index cfc87eb4e..3f40b4e7c 100644
--- a/examples/dual/host_hid_to_device_cdc/only.txt
+++ b/examples/dual/host_hid_to_device_cdc/only.txt
@@ -4,3 +4,6 @@ board:mcb1800
 mcu:RP2040
 mcu:ra6m5
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/dual/host_info_to_device_cdc/CMakeLists.txt b/examples/dual/host_info_to_device_cdc/CMakeLists.txt
index a6557c2d0..54e36e3d3 100644
--- a/examples/dual/host_info_to_device_cdc/CMakeLists.txt
+++ b/examples/dual/host_info_to_device_cdc/CMakeLists.txt
@@ -28,13 +28,15 @@ target_include_directories(${PROJECT} PUBLIC
 family_configure_dual_usb_example(${PROJECT} noos)
 
 # due to warnings from Pico-PIO-USB
-target_compile_options(${PROJECT} PUBLIC
-  -Wno-error=shadow
-  -Wno-error=cast-align
-  -Wno-error=cast-qual
-  -Wno-error=redundant-decls
-  -Wno-error=sign-conversion
-  -Wno-error=conversion
-  -Wno-error=sign-compare
-  -Wno-error=unused-function
-  )
+if (FAMILY STREQUAL rp2040)
+  target_compile_options(${PROJECT} PUBLIC
+    -Wno-error=shadow
+    -Wno-error=cast-align
+    -Wno-error=cast-qual
+    -Wno-error=redundant-decls
+    -Wno-error=sign-conversion
+    -Wno-error=conversion
+    -Wno-error=sign-compare
+    -Wno-error=unused-function
+    )
+endif ()
diff --git a/examples/dual/host_info_to_device_cdc/Makefile b/examples/dual/host_info_to_device_cdc/Makefile
index 0ede79c17..083c9169a 100644
--- a/examples/dual/host_info_to_device_cdc/Makefile
+++ b/examples/dual/host_info_to_device_cdc/Makefile
@@ -8,7 +8,7 @@ INC += \
 EXAMPLE_SOURCE += $(wildcard src/*.c)
 SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
 
-CFLAGS += -Wno-error=cast-align -Wno-error=null-dereference
+CFLAGS_GCC += -Wno-error=cast-align -Wno-error=null-dereference
 
 SRC_C += \
 	src/host/hub.c \
diff --git a/examples/dual/host_info_to_device_cdc/only.txt b/examples/dual/host_info_to_device_cdc/only.txt
index cfc87eb4e..3f40b4e7c 100644
--- a/examples/dual/host_info_to_device_cdc/only.txt
+++ b/examples/dual/host_info_to_device_cdc/only.txt
@@ -4,3 +4,6 @@ board:mcb1800
 mcu:RP2040
 mcu:ra6m5
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/bare_api/only.txt b/examples/host/bare_api/only.txt
index fee10f9e2..95f9f1d82 100644
--- a/examples/host/bare_api/only.txt
+++ b/examples/host/bare_api/only.txt
@@ -12,3 +12,6 @@ mcu:MSP432E4
 mcu:RX65X
 mcu:RAXXX
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/cdc_msc_hid/only.txt b/examples/host/cdc_msc_hid/only.txt
index fee10f9e2..95f9f1d82 100644
--- a/examples/host/cdc_msc_hid/only.txt
+++ b/examples/host/cdc_msc_hid/only.txt
@@ -12,3 +12,6 @@ mcu:MSP432E4
 mcu:RX65X
 mcu:RAXXX
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/cdc_msc_hid/src/hid_app.c b/examples/host/cdc_msc_hid/src/hid_app.c
index 6bb3a2072..3f98ec89f 100644
--- a/examples/host/cdc_msc_hid/src/hid_app.c
+++ b/examples/host/cdc_msc_hid/src/hid_app.c
@@ -130,13 +130,12 @@ void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance, uint8_t cons
 //--------------------------------------------------------------------+
 
 // look up new key in previous keys
-static inline bool find_key_in_report(hid_keyboard_report_t const *report, uint8_t keycode)
-{
-  for(uint8_t i=0; i<6; i++)
-  {
-    if (report->keycode[i] == keycode)  return true;
+static inline bool find_key_in_report(hid_keyboard_report_t const* report, uint8_t keycode) {
+  for (uint8_t i = 0; i < 6; i++) {
+    if (report->keycode[i] == keycode) {
+      return true;
+    }
   }
-
   return false;
 }
 
diff --git a/examples/host/cdc_msc_hid_freertos/CMakeLists.txt b/examples/host/cdc_msc_hid_freertos/CMakeLists.txt
index 2e95a18e0..b4004f8d7 100644
--- a/examples/host/cdc_msc_hid_freertos/CMakeLists.txt
+++ b/examples/host/cdc_msc_hid_freertos/CMakeLists.txt
@@ -20,7 +20,6 @@ add_executable(${PROJECT})
 # Example source
 target_sources(${PROJECT} PUBLIC
   ${CMAKE_CURRENT_SOURCE_DIR}/src/cdc_app.c
-  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/hid_app.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
   ${CMAKE_CURRENT_SOURCE_DIR}/src/msc_app.c
diff --git a/examples/host/cdc_msc_hid_freertos/Makefile b/examples/host/cdc_msc_hid_freertos/Makefile
index bf4725f47..67fbb9af3 100644
--- a/examples/host/cdc_msc_hid_freertos/Makefile
+++ b/examples/host/cdc_msc_hid_freertos/Makefile
@@ -13,7 +13,6 @@ INC += \
 # Example source
 EXAMPLE_SOURCE = \
   src/cdc_app.c \
-  src/freertos_hook.c \
   src/hid_app.c \
   src/main.c \
   src/msc_app.c \
diff --git a/examples/host/cdc_msc_hid_freertos/only.txt b/examples/host/cdc_msc_hid_freertos/only.txt
index 1e0e60075..e3ae25260 100644
--- a/examples/host/cdc_msc_hid_freertos/only.txt
+++ b/examples/host/cdc_msc_hid_freertos/only.txt
@@ -1,3 +1,4 @@
+mcu:ESP32P4
 mcu:LPC175X_6X
 mcu:LPC177X_8X
 mcu:LPC18XX
@@ -9,3 +10,6 @@ mcu:MIMXRT11XX
 mcu:MSP432E4
 mcu:RX65X
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/cdc_msc_hid_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h b/examples/host/cdc_msc_hid_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
index bd754518d..6a886adec 100644
--- a/examples/host/cdc_msc_hid_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/examples/host/cdc_msc_hid_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
@@ -48,7 +48,7 @@
 // Include MCU header
 #include "bsp/board_mcu.h"
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #error "ESP32-Sx should use IDF's FreeRTOSConfig.h"
 #endif
 
diff --git a/examples/host/cdc_msc_hid_freertos/src/cdc_app.c b/examples/host/cdc_msc_hid_freertos/src/cdc_app.c
index f3495ab28..7cbe1e03a 100644
--- a/examples/host/cdc_msc_hid_freertos/src/cdc_app.c
+++ b/examples/host/cdc_msc_hid_freertos/src/cdc_app.c
@@ -27,23 +27,9 @@
 #include "tusb.h"
 #include "bsp/board_api.h"
 
-#if TUP_MCU_ESPRESSIF
-// ESP-IDF need "freertos/" prefix in include path.
-// CFG_TUSB_OS_INC_PATH should be defined accordingly.
-  #include "freertos/FreeRTOS.h"
-  #include "freertos/semphr.h"
-  #include "freertos/queue.h"
-  #include "freertos/task.h"
-  #include "freertos/timers.h"
-
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #define CDC_STACK_SZIE      2048
 #else
-  #include "FreeRTOS.h"
-  #include "semphr.h"
-  #include "queue.h"
-  #include "task.h"
-  #include "timers.h"
-
   #define CDC_STACK_SZIE     (3*configMINIMAL_STACK_SIZE/2)
 #endif
 
diff --git a/examples/host/cdc_msc_hid_freertos/src/freertos_hook.c b/examples/host/cdc_msc_hid_freertos/src/freertos_hook.c
deleted file mode 100644
index 07d159fd5..000000000
--- a/examples/host/cdc_msc_hid_freertos/src/freertos_hook.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2019 Ha Thach (tinyusb.org)
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- *
- */
-
-//--------------------------------------------------------------------+
-// INCLUDE
-//--------------------------------------------------------------------+
-#include "FreeRTOS.h"
-#include "task.h"
-#include "common/tusb_common.h"
-
-void vApplicationMallocFailedHook(void) {
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false,);
-}
-
-void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName) {
-  (void) pxTask;
-  (void) pcTaskName;
-
-  taskDISABLE_INTERRUPTS();
-  TU_ASSERT(false,);
-}
-
-/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
- * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
- * used by the Idle task. */
-void vApplicationGetIdleTaskMemory(StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer,
-                                   uint32_t *pulIdleTaskStackSize) {
-  /* If the buffers to be provided to the Idle task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xIdleTaskTCB;
-  static StackType_t uxIdleTaskStack[configMINIMAL_STACK_SIZE];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
-    state will be stored. */
-  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
-
-  /* Pass out the array that will be used as the Idle task's stack. */
-  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
-  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
-}
-
-/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
- * application must provide an implementation of vApplicationGetTimerTaskMemory()
- * to provide the memory that is used by the Timer service task. */
-void vApplicationGetTimerTaskMemory(StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer,
-                                    uint32_t *pulTimerTaskStackSize) {
-  /* If the buffers to be provided to the Timer task are declared inside this
-   * function then they must be declared static - otherwise they will be allocated on
-   * the stack and so not exists after this function exits. */
-  static StaticTask_t xTimerTaskTCB;
-  static StackType_t uxTimerTaskStack[configTIMER_TASK_STACK_DEPTH];
-
-  /* Pass out a pointer to the StaticTask_t structure in which the Timer
-    task's state will be stored. */
-  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
-
-  /* Pass out the array that will be used as the Timer task's stack. */
-  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
-
-  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
-    Note that, as the array is necessarily of type StackType_t,
-    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
-  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
-}
-
-#if CFG_TUSB_MCU == OPT_MCU_RX63X | CFG_TUSB_MCU == OPT_MCU_RX65X
-#include "iodefine.h"
-void vApplicationSetupTimerInterrupt(void)
-{
-  /* Enable CMT0 */
-  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
-  MSTP(CMT0)       = 0;
-  SYSTEM.PRCR.WORD = (0xA5u<<8);
-
-  CMT0.CMCNT      = 0;
-  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
-  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
-  IR(CMT0, CMI0)  = 0;
-  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
-  IEN(CMT0, CMI0) = 1;
-  CMT.CMSTR0.BIT.STR0 = 1;
-}
-#endif
diff --git a/examples/host/cdc_msc_hid_freertos/src/main.c b/examples/host/cdc_msc_hid_freertos/src/main.c
index 7fb84a40f..10d1b120b 100644
--- a/examples/host/cdc_msc_hid_freertos/src/main.c
+++ b/examples/host/cdc_msc_hid_freertos/src/main.c
@@ -30,23 +30,9 @@
 #include "bsp/board_api.h"
 #include "tusb.h"
 
-#if TUP_MCU_ESPRESSIF
-  // ESP-IDF need "freertos/" prefix in include path.
-  // CFG_TUSB_OS_INC_PATH should be defined accordingly.
-  #include "freertos/FreeRTOS.h"
-  #include "freertos/semphr.h"
-  #include "freertos/queue.h"
-  #include "freertos/task.h"
-  #include "freertos/timers.h"
-
+#if TUSB_MCU_VENDOR_ESPRESSIF
   #define USBH_STACK_SIZE     4096
 #else
-  #include "FreeRTOS.h"
-  #include "semphr.h"
-  #include "queue.h"
-  #include "task.h"
-  #include "timers.h"
-
   // Increase stack size when debug log is enabled
   #define USBH_STACK_SIZE    (3*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1)
 #endif
@@ -107,14 +93,14 @@ int main(void) {
   xTimerStart(blinky_tm, 0);
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
-#if !TUP_MCU_ESPRESSIF
+#if !TUSB_MCU_VENDOR_ESPRESSIF
   vTaskStartScheduler();
 #endif
 
   return 0;
 }
 
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 void app_main(void) {
   main();
 }
diff --git a/examples/host/cdc_msc_hid_freertos/src/msc_app.c b/examples/host/cdc_msc_hid_freertos/src/msc_app.c
index 9ffd5d965..6b9cdab85 100644
--- a/examples/host/cdc_msc_hid_freertos/src/msc_app.c
+++ b/examples/host/cdc_msc_hid_freertos/src/msc_app.c
@@ -25,7 +25,10 @@
 
 #include "tusb.h"
 
-static scsi_inquiry_resp_t inquiry_resp;
+// define the buffer to be place in USB/DMA memory with correct alignment/cache line size
+CFG_TUH_MEM_SECTION static struct {
+  TUH_EPBUF_TYPE_DEF(scsi_inquiry_resp_t, inquiry);
+} scsi_resp;
 
 void msc_app_init(void) {
   // nothing to do
@@ -41,7 +44,7 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const *cb_dat
   }
 
   // Print out Vendor ID, Product ID and Rev
-  printf("%.8s %.16s rev %.4s\r\n", inquiry_resp.vendor_id, inquiry_resp.product_id, inquiry_resp.product_rev);
+  printf("%.8s %.16s rev %.4s\r\n", scsi_resp.inquiry.vendor_id, scsi_resp.inquiry.product_id, scsi_resp.inquiry.product_rev);
 
   // Get capacity of device
   uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
@@ -58,7 +61,7 @@ void tuh_msc_mount_cb(uint8_t dev_addr) {
   printf("A MassStorage device is mounted\r\n");
 
   uint8_t const lun = 0;
-  tuh_msc_inquiry(dev_addr, lun, &inquiry_resp, inquiry_complete_cb, 0);
+  tuh_msc_inquiry(dev_addr, lun, &scsi_resp.inquiry, inquiry_complete_cb, 0);
 }
 
 void tuh_msc_umount_cb(uint8_t dev_addr) {
diff --git a/examples/host/cdc_msc_hid_freertos/src/tusb_config.h b/examples/host/cdc_msc_hid_freertos/src/tusb_config.h
index 0aab2cd2f..02de4197b 100644
--- a/examples/host/cdc_msc_hid_freertos/src/tusb_config.h
+++ b/examples/host/cdc_msc_hid_freertos/src/tusb_config.h
@@ -44,7 +44,7 @@
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TUP_MCU_ESPRESSIF
+#if TUSB_MCU_VENDOR_ESPRESSIF
 #define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
diff --git a/examples/host/device_info/only.txt b/examples/host/device_info/only.txt
index b3f4468bb..b6f87f423 100644
--- a/examples/host/device_info/only.txt
+++ b/examples/host/device_info/only.txt
@@ -1,3 +1,6 @@
+mcu:ESP32S2
+mcu:ESP32S3
+mcu:ESP32P4
 mcu:KINETIS_KL
 mcu:LPC175X_6X
 mcu:LPC177X_8X
@@ -12,3 +15,6 @@ mcu:MSP432E4
 mcu:RP2040
 mcu:RX65X
 mcu:RAXXX
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/device_info/src/CMakeLists.txt b/examples/host/device_info/src/CMakeLists.txt
new file mode 100644
index 000000000..1908a32c3
--- /dev/null
+++ b/examples/host/device_info/src/CMakeLists.txt
@@ -0,0 +1,4 @@
+# This file is for ESP-IDF only
+idf_component_register(SRCS "main.c"
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)
diff --git a/examples/host/device_info/src/main.c b/examples/host/device_info/src/main.c
index 0ff4f32e9..775968c16 100644
--- a/examples/host/device_info/src/main.c
+++ b/examples/host/device_info/src/main.c
@@ -24,7 +24,7 @@
  */
 
 /* Host example will get device descriptors of attached devices and print it out via uart/rtt (logger) as follows:
- *    Device 1: ID 046d:c52f
+ *    Device 1: ID 046d:c52f SN 11223344
       Device Descriptor:
         bLength             18
         bDescriptorType     1
@@ -56,15 +56,32 @@
 //--------------------------------------------------------------------+
 // MACRO CONSTANT TYPEDEF PROTYPES
 //--------------------------------------------------------------------+
-void led_blinking_task(void);
-static void print_utf16(uint16_t* temp_buf, size_t buf_len);
+enum {
+  BLINK_NOT_MOUNTED = 250,
+  BLINK_MOUNTED = 1000,
+  BLINK_SUSPENDED = 2500,
+};
+static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
 
-/*------------- MAIN -------------*/
-int main(void) {
-  board_init();
+// Declare for buffer for usb transfer, may need to be in USB/DMA section and
+// multiple of dcache line size if dcache is enabled (for some ports).
+CFG_TUH_MEM_SECTION struct {
+  TUH_EPBUF_TYPE_DEF(tusb_desc_device_t, device);
+  TUH_EPBUF_DEF(serial, 64*sizeof(uint16_t));
+  TUH_EPBUF_DEF(buf, 128*sizeof(uint16_t));
+} desc;
 
-  printf("TinyUSB Device Info Example\r\n");
+void led_blinking_task(void* param);
+static void print_utf16(uint16_t* temp_buf, size_t buf_len);
+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+void init_freertos_task(void);
+#endif
 
+//--------------------------------------------------------------------
+// Main
+//--------------------------------------------------------------------
+void init_tinyusb(void) {
   // init host stack on configured roothub port
   tusb_rhport_init_t host_init = {
     .role = TUSB_ROLE_HOST,
@@ -75,92 +92,91 @@ int main(void) {
   if (board_init_after_tusb) {
     board_init_after_tusb();
   }
+}
 
+int main(void) {
+  board_init();
+  printf("TinyUSB Device Info Example\r\n");
+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+  init_freertos_task();
+#else
+  init_tinyusb();
   while (1) {
-    // tinyusb host task
-    tuh_task();
-    led_blinking_task();
+    tuh_task();     // tinyusb host task
+    led_blinking_task(NULL);
   }
-
   return 0;
+#endif
 }
 
 /*------------- TinyUSB Callbacks -------------*/
 
 // Invoked when device is mounted (configured)
 void tuh_mount_cb(uint8_t daddr) {
+  blink_interval_ms = BLINK_MOUNTED;
+
   // Get Device Descriptor
-  tusb_desc_device_t desc_device;
-  uint8_t xfer_result = tuh_descriptor_get_device_sync(daddr, &desc_device, 18);
+  uint8_t xfer_result = tuh_descriptor_get_device_sync(daddr, &desc.device, 18);
   if (XFER_RESULT_SUCCESS != xfer_result) {
     printf("Failed to get device descriptor\r\n");
     return;
   }
 
-  uint16_t buf[256];
+  printf("Device %u: ID %04x:%04x SN ", daddr, desc.device.idVendor, desc.device.idProduct);
+  xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, desc.serial, sizeof(desc.serial));
+  if (XFER_RESULT_SUCCESS != xfer_result) {
+    uint16_t* serial = (uint16_t*)(uintptr_t) desc.serial;
+    serial[0] = 'n';
+    serial[1] = '/';
+    serial[2] = 'a';
+    serial[3] = 0;
+  }
+  print_utf16((uint16_t*)(uintptr_t) desc.serial, sizeof(desc.serial)/2);
+  printf("\r\n");
 
-  printf("Device %u: ID %04x:%04x\r\n", daddr, desc_device.idVendor, desc_device.idProduct);
   printf("Device Descriptor:\r\n");
-  printf("  bLength             %u\r\n", desc_device.bLength);
-  printf("  bDescriptorType     %u\r\n", desc_device.bDescriptorType);
-  printf("  bcdUSB              %04x\r\n", desc_device.bcdUSB);
-  printf("  bDeviceClass        %u\r\n", desc_device.bDeviceClass);
-  printf("  bDeviceSubClass     %u\r\n", desc_device.bDeviceSubClass);
-  printf("  bDeviceProtocol     %u\r\n", desc_device.bDeviceProtocol);
-  printf("  bMaxPacketSize0     %u\r\n", desc_device.bMaxPacketSize0);
-  printf("  idVendor            0x%04x\r\n", desc_device.idVendor);
-  printf("  idProduct           0x%04x\r\n", desc_device.idProduct);
-  printf("  bcdDevice           %04x\r\n", desc_device.bcdDevice);
+  printf("  bLength             %u\r\n", desc.device.bLength);
+  printf("  bDescriptorType     %u\r\n", desc.device.bDescriptorType);
+  printf("  bcdUSB              %04x\r\n", desc.device.bcdUSB);
+  printf("  bDeviceClass        %u\r\n", desc.device.bDeviceClass);
+  printf("  bDeviceSubClass     %u\r\n", desc.device.bDeviceSubClass);
+  printf("  bDeviceProtocol     %u\r\n", desc.device.bDeviceProtocol);
+  printf("  bMaxPacketSize0     %u\r\n", desc.device.bMaxPacketSize0);
+  printf("  idVendor            0x%04x\r\n", desc.device.idVendor);
+  printf("  idProduct           0x%04x\r\n", desc.device.idProduct);
+  printf("  bcdDevice           %04x\r\n", desc.device.bcdDevice);
 
   // Get String descriptor using Sync API
 
-  printf("  iManufacturer       %u     ", desc_device.iManufacturer);
-  xfer_result = tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, buf, sizeof(buf));
+  printf("  iManufacturer       %u     ", desc.device.iManufacturer);
+  xfer_result = tuh_descriptor_get_manufacturer_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf));
   if (XFER_RESULT_SUCCESS == xfer_result) {
-    print_utf16(buf, TU_ARRAY_SIZE(buf));
+    print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2);
   }
   printf("\r\n");
 
-  printf("  iProduct            %u     ", desc_device.iProduct);
-  xfer_result = tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, buf, sizeof(buf));
+  printf("  iProduct            %u     ", desc.device.iProduct);
+  xfer_result = tuh_descriptor_get_product_string_sync(daddr, LANGUAGE_ID, desc.buf, sizeof(desc.buf));
   if (XFER_RESULT_SUCCESS == xfer_result) {
-    print_utf16(buf, TU_ARRAY_SIZE(buf));
+    print_utf16((uint16_t*)(uintptr_t) desc.buf, sizeof(desc.buf)/2);
   }
   printf("\r\n");
 
-  printf("  iSerialNumber       %u     ", desc_device.iSerialNumber);
-  xfer_result = tuh_descriptor_get_serial_string_sync(daddr, LANGUAGE_ID, buf, sizeof(buf));
-  if (XFER_RESULT_SUCCESS == xfer_result) {
-    print_utf16(buf, TU_ARRAY_SIZE(buf));
-  }
+  printf("  iSerialNumber       %u     ", desc.device.iSerialNumber);
+  printf((char*)desc.serial); // serial is already to UTF-8
   printf("\r\n");
 
-  printf("  bNumConfigurations  %u\r\n", desc_device.bNumConfigurations);
+  printf("  bNumConfigurations  %u\r\n", desc.device.bNumConfigurations);
 }
 
-/// Invoked when device is unmounted (bus reset/unplugged)
+// Invoked when device is unmounted (bus reset/unplugged)
 void tuh_umount_cb(uint8_t daddr) {
+  blink_interval_ms = BLINK_NOT_MOUNTED;
   printf("Device removed, address = %d\r\n", daddr);
 }
 
 //--------------------------------------------------------------------+
-// Blinking Task
-//--------------------------------------------------------------------+
-void led_blinking_task(void) {
-  const uint32_t interval_ms = 1000;
-  static uint32_t start_ms = 0;
-
-  static bool led_state = false;
-
-  // Blink every interval ms
-  if (board_millis() - start_ms < interval_ms) return; // not enough time
-  start_ms += interval_ms;
-
-  board_led_write(led_state);
-  led_state = 1 - led_state; // toggle
-}
-
-//--------------------------------------------------------------------+
 // String Descriptor Helper
 //--------------------------------------------------------------------+
 
@@ -212,3 +228,81 @@ static void print_utf16(uint16_t* temp_buf, size_t buf_len) {
 
   printf("%s", (char*) temp_buf);
 }
+
+//--------------------------------------------------------------------+
+// Blinking Task
+//--------------------------------------------------------------------+
+void led_blinking_task(void* param) {
+  (void) param;
+  static uint32_t start_ms = 0;
+  static bool led_state = false;
+
+  while (1) {
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+    vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS);
+#else
+    if (board_millis() - start_ms < blink_interval_ms) {
+      return; // not enough time
+    }
+#endif
+
+    start_ms += blink_interval_ms;
+    board_led_write(led_state);
+    led_state = 1 - led_state; // toggle
+  }
+}
+
+//--------------------------------------------------------------------+
+// FreeRTOS
+//--------------------------------------------------------------------+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+
+#define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
+
+#if TUSB_MCU_VENDOR_ESPRESSIF
+  #define USB_STACK_SIZE     4096
+#else
+  // Increase stack size when debug log is enabled
+  #define USB_STACK_SIZE    (3*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1)
+#endif
+
+
+// static task
+#if configSUPPORT_STATIC_ALLOCATION
+StackType_t blinky_stack[BLINKY_STACK_SIZE];
+StaticTask_t blinky_taskdef;
+
+StackType_t  usb_stack[USB_STACK_SIZE];
+StaticTask_t usb_taskdef;
+#endif
+
+#if TUSB_MCU_VENDOR_ESPRESSIF
+void app_main(void) {
+  main();
+}
+#endif
+
+void usb_host_task(void *param) {
+  (void) param;
+  init_tinyusb();
+  while (1) {
+    tuh_task();
+  }
+}
+
+void init_freertos_task(void) {
+#if configSUPPORT_STATIC_ALLOCATION
+  xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef);
+  xTaskCreateStatic(usb_host_task, "usbh", USB_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_stack, &usb_taskdef);
+#else
+  xTaskCreate(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, NULL);
+  xTaskCreate(usb_host_task, "usbh", USB_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
+#endif
+
+  // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
+#if !TUSB_MCU_VENDOR_ESPRESSIF
+  vTaskStartScheduler();
+#endif
+}
+
+#endif
diff --git a/examples/host/device_info/src/tusb_config.h b/examples/host/device_info/src/tusb_config.h
index 2e9731eaf..5190b5b1f 100644
--- a/examples/host/device_info/src/tusb_config.h
+++ b/examples/host/device_info/src/tusb_config.h
@@ -39,6 +39,11 @@
 #error CFG_TUSB_MCU must be defined
 #endif
 
+// Espressif IDF requires "freertos/" prefix in include path
+#if TUSB_MCU_VENDOR_ESPRESSIF
+#define CFG_TUSB_OS_INC_PATH  freertos/
+#endif
+
 #ifndef CFG_TUSB_OS
 #define CFG_TUSB_OS           OPT_OS_NONE
 #endif
diff --git a/examples/host/hid_controller/only.txt b/examples/host/hid_controller/only.txt
index fee10f9e2..95f9f1d82 100644
--- a/examples/host/hid_controller/only.txt
+++ b/examples/host/hid_controller/only.txt
@@ -12,3 +12,6 @@ mcu:MSP432E4
 mcu:RX65X
 mcu:RAXXX
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/msc_file_explorer/only.txt b/examples/host/msc_file_explorer/only.txt
index fee10f9e2..95f9f1d82 100644
--- a/examples/host/msc_file_explorer/only.txt
+++ b/examples/host/msc_file_explorer/only.txt
@@ -12,3 +12,6 @@ mcu:MSP432E4
 mcu:RX65X
 mcu:RAXXX
 mcu:MAX3421
+mcu:STM32F4
+mcu:STM32F7
+mcu:STM32H7
diff --git a/examples/host/msc_file_explorer/src/msc_app.c b/examples/host/msc_file_explorer/src/msc_app.c
index ddd39c674..035d74689 100644
--- a/examples/host/msc_file_explorer/src/msc_app.c
+++ b/examples/host/msc_file_explorer/src/msc_app.c
@@ -53,7 +53,11 @@ static CLI_UINT cli_buffer[BYTES_TO_CLI_UINTS(CLI_BUFFER_SIZE)];
 static FATFS fatfs[CFG_TUH_DEVICE_MAX]; // for simplicity only support 1 LUN per device
 static volatile bool _disk_busy[CFG_TUH_DEVICE_MAX];
 
-static scsi_inquiry_resp_t inquiry_resp;
+// define the buffer to be place in USB/DMA memory with correct alignment/cache line size
+CFG_TUH_MEM_SECTION static struct {
+  TUH_EPBUF_TYPE_DEF(scsi_inquiry_resp_t, inquiry);
+} scsi_resp;
+
 
 //--------------------------------------------------------------------+
 //
@@ -107,7 +111,7 @@ bool inquiry_complete_cb(uint8_t dev_addr, tuh_msc_complete_data_t const * cb_da
   }
 
   // Print out Vendor ID, Product ID and Rev
-  printf("%.8s %.16s rev %.4s\r\n", inquiry_resp.vendor_id, inquiry_resp.product_id, inquiry_resp.product_rev);
+  printf("%.8s %.16s rev %.4s\r\n", scsi_resp.inquiry.vendor_id, scsi_resp.inquiry.product_id, scsi_resp.inquiry.product_rev);
 
   // Get capacity of device
   uint32_t const block_count = tuh_msc_get_block_count(dev_addr, cbw->lun);
@@ -145,7 +149,7 @@ void tuh_msc_mount_cb(uint8_t dev_addr)
   printf("A MassStorage device is mounted\r\n");
 
   uint8_t const lun = 0;
-  tuh_msc_inquiry(dev_addr, lun, &inquiry_resp, inquiry_complete_cb, 0);
+  tuh_msc_inquiry(dev_addr, lun, &scsi_resp.inquiry, inquiry_complete_cb, 0);
 }
 
 void tuh_msc_umount_cb(uint8_t dev_addr)
diff --git a/examples/typec/power_delivery/src/main.c b/examples/typec/power_delivery/src/main.c
index a8214f34e..068dbbeb1 100644
--- a/examples/typec/power_delivery/src/main.c
+++ b/examples/typec/power_delivery/src/main.c
@@ -71,7 +71,7 @@ int main(void)
   }
 }
 
-#if CFG_TUSB_MCU == OPT_MCU_ESP32S2 || CFG_TUSB_MCU == OPT_MCU_ESP32S3
+#if TUSB_MCU_VENDOR_ESPRESSIF
 void app_main(void)
 {
   main();