Update build system.

19 files changed, 481 insertions, 210 deletions

diff --git a/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt b/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt
index 639dde99a..eb22014fb 100644
--- a/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt
+++ b/examples/device/audio_4_channel_mic_freertos/CMakeLists.txt
@@ -1,22 +1,34 @@
-cmake_minimum_required(VERSION 3.5)
-
-# TOP is absolute path to root directory of TinyUSB git repo
-# needed for esp32sx build. TOOD could be removed later on
-set(TOP "../../..")
-get_filename_component(TOP "${TOP}" REALPATH)
+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(${PROJECT})
+project(${PROJECT} C CXX ASM)
 
 # Checks this example is valid for the family and initializes the project
 family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
 
-# Check for -DFAMILY=
-if(FAMILY MATCHES "^esp32s[2-3]")
-else()
-  message(FATAL_ERROR "Invalid FAMILY specified: ${FAMILY}")
+# Espressif has its own cmake build system
+if(FAMILY STREQUAL "espressif")
+  return()
 endif()
+
+add_executable(${PROJECT})
+
+# Example source
+target_sources(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
+  )
+
+# Example include
+target_include_directories(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  )
+
+# Configure compilation flags and libraries for the example with FreeRTOS.
+# See the corresponding function in hw/bsp/FAMILY/family.cmake for details.
+family_configure_device_example(${PROJECT} freertos)
diff --git a/examples/device/audio_4_channel_mic_freertos/Makefile b/examples/device/audio_4_channel_mic_freertos/Makefile
index 6c8c43ddd..48a3148f8 100644
--- a/examples/device/audio_4_channel_mic_freertos/Makefile
+++ b/examples/device/audio_4_channel_mic_freertos/Makefile
@@ -1,23 +1,21 @@
-DEPS_SUBMODULES += lib/FreeRTOS-Kernel
-
-include ../../../tools/top.mk
-include ../../make.mk
+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 \
 	src/FreeRTOSConfig \
 	$(TOP)/hw \
 	$(TOP)/$(FREERTOS_SRC)/include \
-	$(TOP)/$(FREERTOS_SRC)/portable/GCC/$(FREERTOS_PORT)	
+	$(TOP)/$(FREERTOS_PORTABLE_SRC) \
 
 # Example source
 EXAMPLE_SOURCE = \
 	src/freertos_hook.c \
 	src/main.c \
 	src/usb_descriptors.c
-	
+
 SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
 
 # FreeRTOS source, all files in port folder
@@ -26,7 +24,10 @@ SRC_C += \
 	$(FREERTOS_SRC)/queue.c \
 	$(FREERTOS_SRC)/tasks.c \
 	$(FREERTOS_SRC)/timers.c \
-	$(subst ../../../,,$(wildcard ../../../$(FREERTOS_SRC)/portable/GCC/$(FREERTOS_PORT)/*.c))
+	$(subst $(TOP)/,,$(wildcard $(TOP)/$(FREERTOS_PORTABLE_SRC)/*.c))
+
+SRC_S += \
+	$(subst $(TOP)/,,$(wildcard $(TOP)/$(FREERTOS_PORTABLE_SRC)/*.s))
 
 # Suppress FreeRTOS warnings
 CFLAGS += -Wno-error=cast-qual -Wno-error=redundant-decls
@@ -34,4 +35,4 @@ CFLAGS += -Wno-error=cast-qual -Wno-error=redundant-decls
 # FreeRTOS (lto + Os) linker issue
 LDFLAGS += -Wl,--undefined=vTaskSwitchContext
 
-include ../../rules.mk
+include ../../build_system/make/rules.mk
\ No newline at end of file
diff --git a/examples/device/audio_4_channel_mic_freertos/README.md b/examples/device/audio_4_channel_mic_freertos/README.md
index a35c16195..a99f28bc3 100644
--- a/examples/device/audio_4_channel_mic_freertos/README.md
+++ b/examples/device/audio_4_channel_mic_freertos/README.md
@@ -6,9 +6,10 @@
 $ cd /tinyusb/examples/device/audio_4_channel_mic_freertos
 ```
 
-3. Run make in project directory specifying the board
+3. Run cmake in project directory specifying the board
 ```
-$ make BOARD=espressif_s3_devkitc all
+$ cmake -DBOARD=espressif_s3_devkitc -B build -G Ninja .
+$ ninja.exe -C build
 ```
 
 4. Flash the binary onto the esp32-s3 by copy-paste of the full command output by the esp-idf build system replacing **(PORT)** with eg. /dev/ttyUSB0
diff --git a/examples/device/audio_4_channel_mic_freertos/sdkconfig.defaults b/examples/device/audio_4_channel_mic_freertos/sdkconfig.defaults
new file mode 100644
index 000000000..83871619e
--- /dev/null
+++ b/examples/device/audio_4_channel_mic_freertos/sdkconfig.defaults
@@ -0,0 +1,3 @@
+CONFIG_IDF_CMAKE=y
+CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK=y
+CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
diff --git a/examples/device/audio_4_channel_mic_freertos/skip.txt b/examples/device/audio_4_channel_mic_freertos/skip.txt
index ae9b57f1f..83babce12 100644
--- a/examples/device/audio_4_channel_mic_freertos/skip.txt
+++ b/examples/device/audio_4_channel_mic_freertos/skip.txt
@@ -1,3 +1,4 @@
 mcu:SAMD11
 mcu:SAME5X
-mcu:SAMG
\ No newline at end of file
+mcu:SAMG
+family:broadcom_64bit
\ No newline at end of file
diff --git a/examples/device/audio_4_channel_mic_freertos/src/CMakeLists.txt b/examples/device/audio_4_channel_mic_freertos/src/CMakeLists.txt
index 29e46d979..cef2b46ee 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/CMakeLists.txt
+++ b/examples/device/audio_4_channel_mic_freertos/src/CMakeLists.txt
@@ -1,27 +1,4 @@
+# This file is for ESP-IDF only
 idf_component_register(SRCS "main.c" "usb_descriptors.c"
-  INCLUDE_DIRS "."
-  REQUIRES freertos soc)
-
-file(TO_NATIVE_PATH "${TOP}/hw/bsp/${FAMILY}/boards/${BOARD}/board.cmake" board_cmake)
-
-if(EXISTS ${board_cmake})
-  include(${board_cmake})
-endif()
-
-target_include_directories(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/hw"
-  "${TOP}/src"
-)
-
-target_compile_definitions(${COMPONENT_TARGET} PUBLIC
-  ESP_PLATFORM
-)
-
-target_sources(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/src/tusb.c"
-  "${TOP}/src/common/tusb_fifo.c"
-  "${TOP}/src/device/usbd.c"
-  "${TOP}/src/device/usbd_control.c"
-  "${TOP}/src/class/audio/audio_device.c"
-  "${TOP}/src/portable/espressif/esp32sx/dcd_esp32sx.c"
-)
\ No newline at end of file
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)
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 ccb620720..6cc7a6577 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
@@ -42,6 +42,9 @@
  * See http://www.freertos.org/a00110.html.
  *----------------------------------------------------------*/
 
+// skip if included from IAR assembler
+#ifndef __IASMARM__
+
 // Include MCU header
 #include "bsp/board_mcu.h"
 
@@ -53,9 +56,12 @@
 #if CFG_TUSB_MCU == OPT_MCU_MM32F327X
   extern u32 SystemCoreClock;
 #else
+  // FIXME cause redundant-decls warnings
   extern uint32_t SystemCoreClock;
 #endif
 
+#endif
+
 /* Cortex M23/M33 port configuration. */
 #define configENABLE_MPU								        0
 #define configENABLE_FPU								        1
@@ -68,14 +74,14 @@
 #define configTICK_RATE_HZ                      ( 1000 )
 #define configMAX_PRIORITIES                    ( 5 )
 #define configMINIMAL_STACK_SIZE                ( 128 )
-#define configTOTAL_HEAP_SIZE                   ( 0*1024 ) // dynamic is not used
+#define configTOTAL_HEAP_SIZE                   ( configSUPPORT_DYNAMIC_ALLOCATION*4*1024 )
 #define configMAX_TASK_NAME_LEN                 16
 #define configUSE_16_BIT_TICKS                  0
 #define configIDLE_SHOULD_YIELD                 1
 #define configUSE_MUTEXES                       1
 #define configUSE_RECURSIVE_MUTEXES             1
 #define configUSE_COUNTING_SEMAPHORES           1
-#define configQUEUE_REGISTRY_SIZE               2
+#define configQUEUE_REGISTRY_SIZE               4
 #define configUSE_QUEUE_SETS                    0
 #define configUSE_TIME_SLICING                  0
 #define configUSE_NEWLIB_REENTRANT              0
@@ -90,6 +96,7 @@
 #define configUSE_TICK_HOOK                    0
 #define configUSE_MALLOC_FAILED_HOOK           0 // cause nested extern warning
 #define configCHECK_FOR_STACK_OVERFLOW         2
+#define configCHECK_HANDLER_INSTALLATION       0
 
 /* Run time and task stats gathering related definitions. */
 #define configGENERATE_RUN_TIME_STATS          0
@@ -124,29 +131,12 @@
 #define INCLUDE_xEventGroupSetBitFromISR       0
 #define INCLUDE_xTimerPendFunctionCall         0
 
-/* Define to trap errors during development. */
-// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
-#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
-  #define configASSERT(_exp) \
-    do {\
-      if ( !(_exp) ) { \
-        volatile uint32_t* ARM_CM_DHCSR =  ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
-        if ( (*ARM_CM_DHCSR) & 1UL ) {  /* Only halt mcu if debugger is attached */ \
-          taskDISABLE_INTERRUPTS(); \
-           __asm("BKPT #0\n"); \
-        }\
-      }\
-    } while(0)
-#else
-  #define configASSERT( x )
-#endif
-
 #ifdef __RX__
 /* Renesas RX series */
-#define vSoftwareInterruptISR					INT_Excep_ICU_SWINT
-#define vTickISR								INT_Excep_CMT0_CMI0
-#define configPERIPHERAL_CLOCK_HZ				(configCPU_CLOCK_HZ/2)
-#define configKERNEL_INTERRUPT_PRIORITY			1
+#define vSoftwareInterruptISR					        INT_Excep_ICU_SWINT
+#define vTickISR								              INT_Excep_CMT0_CMI0
+#define configPERIPHERAL_CLOCK_HZ				      (configCPU_CLOCK_HZ/2)
+#define configKERNEL_INTERRUPT_PRIORITY			  1
 #define configMAX_SYSCALL_INTERRUPT_PRIORITY	4
 
 #else
@@ -162,9 +152,18 @@
 #if defined(__NVIC_PRIO_BITS)
   // For Cortex-M specific: __NVIC_PRIO_BITS is defined in core_cmx.h
 	#define configPRIO_BITS       __NVIC_PRIO_BITS
+
 #elif defined(__ECLIC_INTCTLBITS)
   // RISC-V Bumblebee core from nuclei
   #define configPRIO_BITS       __ECLIC_INTCTLBITS
+
+#elif defined(__IASMARM__)
+  // FIXME: IAR Assembler cannot include mcu header directly to get __NVIC_PRIO_BITS.
+  // Therefore we will hard coded it to minimum value of 2 to get pass ci build.
+  // IAR user must update this to correct value of the target MCU
+  #message "configPRIO_BITS is hard coded to 2 to pass IAR build only. User should update it per MCU"
+  #define configPRIO_BITS       2
+
 #else
   #error "FreeRTOS configPRIO_BITS to be defined"
 #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
new file mode 100644
index 000000000..4920e3fae
--- /dev/null
+++ b/examples/device/audio_4_channel_mic_freertos/src/freertos_hook.c
@@ -0,0 +1,115 @@
+/*
+ * 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 3b9795946..980b9540b 100644
--- a/examples/device/audio_4_channel_mic_freertos/src/main.c
+++ b/examples/device/audio_4_channel_mic_freertos/src/main.c
@@ -35,19 +35,30 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "bsp/board.h"
+#include "bsp/board_api.h"
 #include "tusb.h"
 
-// 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 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"
 
-#define USBD_STACK_SIZE     4096
+  #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    (4*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1)
+#endif
 
 //--------------------------------------------------------------------+
 // MACRO CONSTANT TYPEDEF PROTYPES
@@ -112,8 +123,12 @@ int main(void)
   sampleFreqRng.subrange[0].bMax = AUDIO_SAMPLE_RATE;
   sampleFreqRng.subrange[0].bRes = 0;
 
+#if configSUPPORT_STATIC_ALLOCATION
   // Create a task for tinyusb device stack
-  (void) xTaskCreateStatic( usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
+  xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
+#else
+  xTaskCreate(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES - 1, NULL);
+#endif
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
   #if !TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
@@ -136,9 +151,14 @@ 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_init();
+  tud_init(BOARD_TUD_RHPORT);
+
+  if (board_init_after_tusb) {
+    board_init_after_tusb();
+  }
 
   // RTOS forever loop
   while (1)
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 f13865084..010315c27 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
@@ -30,6 +30,20 @@
 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
 //--------------------------------------------------------------------
@@ -39,32 +53,25 @@ extern "C" {
 #error CFG_TUSB_MCU must be defined
 #endif
 
-// RHPort number used for device can be defined by board.mk, default to port 0
-#ifndef BOARD_DEVICE_RHPORT_NUM
-  #define BOARD_DEVICE_RHPORT_NUM     0
-#endif
-
-#ifndef BOARD_DEVICE_RHPORT_SPEED
-  #define BOARD_DEVICE_RHPORT_SPEED   OPT_MODE_FULL_SPEED
-#endif
-
-#define CFG_TUSB_RHPORT0_MODE       OPT_MODE_DEVICE
-
+// This examples use FreeRTOS
 #ifndef CFG_TUSB_OS
-  #define CFG_TUSB_OS                 OPT_OS_FREERTOS
+#define CFG_TUSB_OS           OPT_OS_FREERTOS
 #endif
 
 // Espressif IDF requires "freertos/" prefix in include path
-#if TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
-  #define CFG_TUSB_OS_INC_PATH    freertos/
+#if TUP_MCU_ESPRESSIF
+#define CFG_TUSB_OS_INC_PATH  freertos/
 #endif
 
 #ifndef CFG_TUSB_DEBUG
-  #define CFG_TUSB_DEBUG              0
+#define CFG_TUSB_DEBUG            0
 #endif
 
-// CFG_TUSB_DEBUG is defined by compiler in DEBUG build
-// #define CFG_TUSB_DEBUG           0
+// 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
@@ -78,7 +85,7 @@ extern "C" {
 #endif
 
 #ifndef CFG_TUSB_MEM_ALIGN
-#define CFG_TUSB_MEM_ALIGN          __attribute__ ((aligned(4)))
+#define CFG_TUSB_MEM_ALIGN        __attribute__ ((aligned(4)))
 #endif
 
 //--------------------------------------------------------------------
@@ -90,11 +97,11 @@ extern "C" {
 #endif
 
 //------------- CLASS -------------//
+#define CFG_TUD_AUDIO             1
 #define CFG_TUD_CDC               0
 #define CFG_TUD_MSC               0
 #define CFG_TUD_HID               0
 #define CFG_TUD_MIDI              0
-#define CFG_TUD_AUDIO             1
 #define CFG_TUD_VENDOR            0
 
 //--------------------------------------------------------------------
diff --git a/examples/device/audio_test_freertos/CMakeLists.txt b/examples/device/audio_test_freertos/CMakeLists.txt
index 639dde99a..eb22014fb 100644
--- a/examples/device/audio_test_freertos/CMakeLists.txt
+++ b/examples/device/audio_test_freertos/CMakeLists.txt
@@ -1,22 +1,34 @@
-cmake_minimum_required(VERSION 3.5)
-
-# TOP is absolute path to root directory of TinyUSB git repo
-# needed for esp32sx build. TOOD could be removed later on
-set(TOP "../../..")
-get_filename_component(TOP "${TOP}" REALPATH)
+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(${PROJECT})
+project(${PROJECT} C CXX ASM)
 
 # Checks this example is valid for the family and initializes the project
 family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR})
 
-# Check for -DFAMILY=
-if(FAMILY MATCHES "^esp32s[2-3]")
-else()
-  message(FATAL_ERROR "Invalid FAMILY specified: ${FAMILY}")
+# Espressif has its own cmake build system
+if(FAMILY STREQUAL "espressif")
+  return()
 endif()
+
+add_executable(${PROJECT})
+
+# Example source
+target_sources(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/freertos_hook.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c
+  ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c
+  )
+
+# Example include
+target_include_directories(${PROJECT} PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}/src
+  )
+
+# Configure compilation flags and libraries for the example with FreeRTOS.
+# See the corresponding function in hw/bsp/FAMILY/family.cmake for details.
+family_configure_device_example(${PROJECT} freertos)
diff --git a/examples/device/audio_test_freertos/Makefile b/examples/device/audio_test_freertos/Makefile
index e5b88df5e..48a3148f8 100644
--- a/examples/device/audio_test_freertos/Makefile
+++ b/examples/device/audio_test_freertos/Makefile
@@ -1,22 +1,19 @@
-DEPS_SUBMODULES += lib/FreeRTOS-Kernel
-
-include ../../../tools/top.mk
-include ../../make.mk
+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 \
 	src/FreeRTOSConfig \
 	$(TOP)/hw \
 	$(TOP)/$(FREERTOS_SRC)/include \
-	$(TOP)/$(FREERTOS_SRC)/portable/GCC/$(FREERTOS_PORT)
-	
+	$(TOP)/$(FREERTOS_PORTABLE_SRC) \
+
 # Example source
 EXAMPLE_SOURCE = \
 	src/freertos_hook.c \
 	src/main.c \
-	src/msc_disk.c \
 	src/usb_descriptors.c
 
 SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE))
@@ -27,12 +24,15 @@ SRC_C += \
 	$(FREERTOS_SRC)/queue.c \
 	$(FREERTOS_SRC)/tasks.c \
 	$(FREERTOS_SRC)/timers.c \
-	$(subst ../../../,,$(wildcard ../../../$(FREERTOS_SRC)/portable/GCC/$(FREERTOS_PORT)/*.c))
+	$(subst $(TOP)/,,$(wildcard $(TOP)/$(FREERTOS_PORTABLE_SRC)/*.c))
+
+SRC_S += \
+	$(subst $(TOP)/,,$(wildcard $(TOP)/$(FREERTOS_PORTABLE_SRC)/*.s))
 
 # Suppress FreeRTOS warnings
-CFLAGS += -Wno-error=cast-qual
+CFLAGS += -Wno-error=cast-qual -Wno-error=redundant-decls
 
 # FreeRTOS (lto + Os) linker issue
 LDFLAGS += -Wl,--undefined=vTaskSwitchContext
 
-include ../../rules.mk
\ No newline at end of file
+include ../../build_system/make/rules.mk
\ No newline at end of file
diff --git a/examples/device/audio_test_freertos/README.md b/examples/device/audio_test_freertos/README.md
index 077a2a1b6..dd70af44b 100644
--- a/examples/device/audio_test_freertos/README.md
+++ b/examples/device/audio_test_freertos/README.md
@@ -6,9 +6,10 @@
 $ cd /tinyusb/examples/device/audio_test_freertos
 ```
 
-3. Run make in project directory specifying the board
+3. Run cmake in project directory specifying the board
 ```
-$ make BOARD=espressif_s3_devkitc all
+$ cmake -DBOARD=espressif_s3_devkitc -B build -G Ninja .
+$ ninja.exe -C build
 ```
 
 4. Flash the binary onto the esp32-s3 by copy-paste of the full command output by the esp-idf build system replacing **(PORT)** with eg. /dev/ttyUSB0
diff --git a/examples/device/audio_test_freertos/sdkconfig.defaults b/examples/device/audio_test_freertos/sdkconfig.defaults
new file mode 100644
index 000000000..83871619e
--- /dev/null
+++ b/examples/device/audio_test_freertos/sdkconfig.defaults
@@ -0,0 +1,3 @@
+CONFIG_IDF_CMAKE=y
+CONFIG_FREERTOS_WATCHPOINT_END_OF_STACK=y
+CONFIG_FREERTOS_SUPPORT_STATIC_ALLOCATION=y
diff --git a/examples/device/audio_test_freertos/src/CMakeLists.txt b/examples/device/audio_test_freertos/src/CMakeLists.txt
index 29e46d979..cef2b46ee 100644
--- a/examples/device/audio_test_freertos/src/CMakeLists.txt
+++ b/examples/device/audio_test_freertos/src/CMakeLists.txt
@@ -1,27 +1,4 @@
+# This file is for ESP-IDF only
 idf_component_register(SRCS "main.c" "usb_descriptors.c"
-  INCLUDE_DIRS "."
-  REQUIRES freertos soc)
-
-file(TO_NATIVE_PATH "${TOP}/hw/bsp/${FAMILY}/boards/${BOARD}/board.cmake" board_cmake)
-
-if(EXISTS ${board_cmake})
-  include(${board_cmake})
-endif()
-
-target_include_directories(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/hw"
-  "${TOP}/src"
-)
-
-target_compile_definitions(${COMPONENT_TARGET} PUBLIC
-  ESP_PLATFORM
-)
-
-target_sources(${COMPONENT_TARGET} PUBLIC
-  "${TOP}/src/tusb.c"
-  "${TOP}/src/common/tusb_fifo.c"
-  "${TOP}/src/device/usbd.c"
-  "${TOP}/src/device/usbd_control.c"
-  "${TOP}/src/class/audio/audio_device.c"
-  "${TOP}/src/portable/espressif/esp32sx/dcd_esp32sx.c"
-)
\ No newline at end of file
+                    INCLUDE_DIRS "."
+                    REQUIRES boards tinyusb_src)
diff --git a/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h b/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
index ccb620720..6cc7a6577 100644
--- a/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/examples/device/audio_test_freertos/src/FreeRTOSConfig/FreeRTOSConfig.h
@@ -42,6 +42,9 @@
  * See http://www.freertos.org/a00110.html.
  *----------------------------------------------------------*/
 
+// skip if included from IAR assembler
+#ifndef __IASMARM__
+
 // Include MCU header
 #include "bsp/board_mcu.h"
 
@@ -53,9 +56,12 @@
 #if CFG_TUSB_MCU == OPT_MCU_MM32F327X
   extern u32 SystemCoreClock;
 #else
+  // FIXME cause redundant-decls warnings
   extern uint32_t SystemCoreClock;
 #endif
 
+#endif
+
 /* Cortex M23/M33 port configuration. */
 #define configENABLE_MPU								        0
 #define configENABLE_FPU								        1
@@ -68,14 +74,14 @@
 #define configTICK_RATE_HZ                      ( 1000 )
 #define configMAX_PRIORITIES                    ( 5 )
 #define configMINIMAL_STACK_SIZE                ( 128 )
-#define configTOTAL_HEAP_SIZE                   ( 0*1024 ) // dynamic is not used
+#define configTOTAL_HEAP_SIZE                   ( configSUPPORT_DYNAMIC_ALLOCATION*4*1024 )
 #define configMAX_TASK_NAME_LEN                 16
 #define configUSE_16_BIT_TICKS                  0
 #define configIDLE_SHOULD_YIELD                 1
 #define configUSE_MUTEXES                       1
 #define configUSE_RECURSIVE_MUTEXES             1
 #define configUSE_COUNTING_SEMAPHORES           1
-#define configQUEUE_REGISTRY_SIZE               2
+#define configQUEUE_REGISTRY_SIZE               4
 #define configUSE_QUEUE_SETS                    0
 #define configUSE_TIME_SLICING                  0
 #define configUSE_NEWLIB_REENTRANT              0
@@ -90,6 +96,7 @@
 #define configUSE_TICK_HOOK                    0
 #define configUSE_MALLOC_FAILED_HOOK           0 // cause nested extern warning
 #define configCHECK_FOR_STACK_OVERFLOW         2
+#define configCHECK_HANDLER_INSTALLATION       0
 
 /* Run time and task stats gathering related definitions. */
 #define configGENERATE_RUN_TIME_STATS          0
@@ -124,29 +131,12 @@
 #define INCLUDE_xEventGroupSetBitFromISR       0
 #define INCLUDE_xTimerPendFunctionCall         0
 
-/* Define to trap errors during development. */
-// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
-#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
-  #define configASSERT(_exp) \
-    do {\
-      if ( !(_exp) ) { \
-        volatile uint32_t* ARM_CM_DHCSR =  ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
-        if ( (*ARM_CM_DHCSR) & 1UL ) {  /* Only halt mcu if debugger is attached */ \
-          taskDISABLE_INTERRUPTS(); \
-           __asm("BKPT #0\n"); \
-        }\
-      }\
-    } while(0)
-#else
-  #define configASSERT( x )
-#endif
-
 #ifdef __RX__
 /* Renesas RX series */
-#define vSoftwareInterruptISR					INT_Excep_ICU_SWINT
-#define vTickISR								INT_Excep_CMT0_CMI0
-#define configPERIPHERAL_CLOCK_HZ				(configCPU_CLOCK_HZ/2)
-#define configKERNEL_INTERRUPT_PRIORITY			1
+#define vSoftwareInterruptISR					        INT_Excep_ICU_SWINT
+#define vTickISR								              INT_Excep_CMT0_CMI0
+#define configPERIPHERAL_CLOCK_HZ				      (configCPU_CLOCK_HZ/2)
+#define configKERNEL_INTERRUPT_PRIORITY			  1
 #define configMAX_SYSCALL_INTERRUPT_PRIORITY	4
 
 #else
@@ -162,9 +152,18 @@
 #if defined(__NVIC_PRIO_BITS)
   // For Cortex-M specific: __NVIC_PRIO_BITS is defined in core_cmx.h
 	#define configPRIO_BITS       __NVIC_PRIO_BITS
+
 #elif defined(__ECLIC_INTCTLBITS)
   // RISC-V Bumblebee core from nuclei
   #define configPRIO_BITS       __ECLIC_INTCTLBITS
+
+#elif defined(__IASMARM__)
+  // FIXME: IAR Assembler cannot include mcu header directly to get __NVIC_PRIO_BITS.
+  // Therefore we will hard coded it to minimum value of 2 to get pass ci build.
+  // IAR user must update this to correct value of the target MCU
+  #message "configPRIO_BITS is hard coded to 2 to pass IAR build only. User should update it per MCU"
+  #define configPRIO_BITS       2
+
 #else
   #error "FreeRTOS configPRIO_BITS to be defined"
 #endif
diff --git a/examples/device/audio_test_freertos/src/freertos_hook.c b/examples/device/audio_test_freertos/src/freertos_hook.c
new file mode 100644
index 000000000..4920e3fae
--- /dev/null
+++ b/examples/device/audio_test_freertos/src/freertos_hook.c
@@ -0,0 +1,115 @@
+/*
+ * 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 5744b1b48..f32e3e5a6 100644
--- a/examples/device/audio_test_freertos/src/main.c
+++ b/examples/device/audio_test_freertos/src/main.c
@@ -35,19 +35,32 @@
 #include <stdio.h>
 #include <string.h>
 
-#include "bsp/board.h"
+#include "bsp/board_api.h"
 #include "tusb.h"
 
-// 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 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"
 
-#define USBD_STACK_SIZE     4096
+  #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    (4*configMINIMAL_STACK_SIZE/2) * (CFG_TUSB_DEBUG ? 2 : 1)
+#endif
+
+#define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
 
 //--------------------------------------------------------------------+
 // MACRO CONSTANT TYPEDEF PROTYPES
@@ -68,12 +81,16 @@ enum  {
   BLINK_SUSPENDED = 2500,
 };
 
-// static timer
-StaticTimer_t blinky_tmdef;
-TimerHandle_t blinky_tm;
+// 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;
+#endif
 
+static uint32_t blink_interval_ms = BLINK_NOT_MOUNTED;
 
 // Audio controls
 // Current states
@@ -90,7 +107,7 @@ audio_control_range_4_n_t(1) sampleFreqRng; 						// Sample frequency range stat
 uint16_t test_buffer_audio[CFG_TUD_AUDIO_EP_SZ_IN/2];
 uint16_t startVal = 0;
 
-void led_blinky_cb(TimerHandle_t xTimer);
+void led_blinking_task(void* param);
 void usb_device_task(void* param);
 void audio_task(void);
 
@@ -99,10 +116,6 @@ int main(void)
 {
   board_init();
 
-  // soft timer for blinky
-  blinky_tm = xTimerCreateStatic(NULL, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), true, NULL, led_blinky_cb, &blinky_tmdef);
-  xTimerStart(blinky_tm, 0);
-
   // Init values
   sampFreq = AUDIO_SAMPLE_RATE;
   clkValid = 1;
@@ -112,8 +125,16 @@ int main(void)
   sampleFreqRng.subrange[0].bMax = AUDIO_SAMPLE_RATE;
   sampleFreqRng.subrange[0].bRes = 0;
 
+#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
-  (void) xTaskCreateStatic( usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef);
+  xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_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);
+#endif
 
   // skip starting scheduler (and return) for ESP32-S2 or ESP32-S3
   #if !TU_CHECK_MCU(OPT_MCU_ESP32S2, OPT_MCU_ESP32S3)
@@ -136,9 +157,14 @@ 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_init();
+  tud_init(BOARD_TUD_RHPORT);
+
+  if (board_init_after_tusb) {
+    board_init_after_tusb();
+  }
 
   // RTOS forever loop
   while (1)
@@ -153,30 +179,26 @@ void usb_device_task(void* param)
 //--------------------------------------------------------------------+
 
 // Invoked when device is mounted
-void tud_mount_cb(void)
-{
-  xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_MOUNTED), 0);
+void tud_mount_cb(void) {
+  blink_interval_ms = BLINK_MOUNTED;
 }
 
 // Invoked when device is unmounted
-void tud_umount_cb(void)
-{
-  xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_NOT_MOUNTED), 0);
+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;
-  xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_SUSPENDED), 0);
+  blink_interval_ms = BLINK_SUSPENDED;
 }
 
 // Invoked when usb bus is resumed
-void tud_resume_cb(void)
-{
-  xTimerChangePeriod(blinky_tm, pdMS_TO_TICKS(BLINK_MOUNTED), 0);
+void tud_resume_cb(void) {
+  blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED;
 }
 
 //--------------------------------------------------------------------+
@@ -476,11 +498,17 @@ bool tud_audio_set_itf_close_EP_cb(uint8_t rhport, tusb_control_request_t const
 ///--------------------------------------------------------------------+
 // BLINKING TASK
 //--------------------------------------------------------------------+
-void led_blinky_cb(TimerHandle_t xTimer)
-{
-  (void) xTimer;
+void led_blinking_task(void* param) {
+  (void) param;
+  static uint32_t start_ms = 0;
   static bool led_state = false;
 
-  board_led_write(led_state);
-  led_state = 1 - led_state; // toggle
+  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/audio_test_freertos/src/plot_audio_samples.py b/examples/device/audio_test_freertos/src/plot_audio_samples.py
index 6e3c4978e..6f1518be5 100644
--- a/examples/device/audio_test_freertos/src/plot_audio_samples.py
+++ b/examples/device/audio_test_freertos/src/plot_audio_samples.py
@@ -10,7 +10,7 @@ if __name__ == '__main__':
     # print(sd.query_devices())
 
     fs = 48000           # Sample rate
-    duration = 100e-3    # Duration of recording
+    duration = 1000e-3    # Duration of recording
 
     if platform.system() == 'Windows':
         # MME is needed since there are more than one MicNode device APIs (at least in Windows)