Initial project setup

2025-12-13 11:59:11 +02:00
commit 3218e6039f
2176 changed files with 355321 additions and 0 deletions
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/FreeRTOSConfig/FreeRTOSConfig.h
@@ -0,0 +1,177 @@
+/*
+ * FreeRTOS Kernel V10.0.0
+ * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * 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. If you wish to use our Amazon
+ * FreeRTOS name, please do so in a fair use way that does not cause confusion.
+ *
+ * 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.
+ *
+ * http://www.FreeRTOS.org
+ * http://aws.amazon.com/freertos
+ *
+ * 1 tab == 4 spaces!
+ */
+
+
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+/*-----------------------------------------------------------
+ * Application specific definitions.
+ *
+ * These definitions should be adjusted for your particular hardware and
+ * application requirements.
+ *
+ * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
+ * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE.
+ *
+ * See http://www.freertos.org/a00110.html.
+ *----------------------------------------------------------*/
+
+// skip if included from IAR assembler
+#ifndef __IASMARM__
+// Include MCU header
+  #include "at32f425.h"
+
+#endif
+
+/* Cortex M23/M33 port configuration. */
+#define configENABLE_MPU								        0
+#define configENABLE_FPU								        1
+#define configENABLE_TRUSTZONE					        0
+#define configMINIMAL_SECURE_STACK_SIZE					( 1024 )
+
+#define configUSE_PREEMPTION                    1
+#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
+#define configCPU_CLOCK_HZ                      SystemCoreClock
+#define configTICK_RATE_HZ                      ( 1000 )
+#define configMAX_PRIORITIES                    ( 5 )
+#define configMINIMAL_STACK_SIZE                ( 128 )
+#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               4
+#define configUSE_QUEUE_SETS                    0
+#define configUSE_TIME_SLICING                  0
+#define configUSE_NEWLIB_REENTRANT              0
+#define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
+
+#define configSUPPORT_STATIC_ALLOCATION         1
+#define configSUPPORT_DYNAMIC_ALLOCATION        0
+
+/* Hook function related definitions. */
+#define configUSE_IDLE_HOOK                    0
+#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
+#define configUSE_TRACE_FACILITY               1 // legacy trace
+#define configUSE_STATS_FORMATTING_FUNCTIONS   0
+
+/* Co-routine definitions. */
+#define configUSE_CO_ROUTINES                  0
+#define configMAX_CO_ROUTINE_PRIORITIES        2
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                       1
+#define configTIMER_TASK_PRIORITY              (configMAX_PRIORITIES-2)
+#define configTIMER_QUEUE_LENGTH               32
+#define configTIMER_TASK_STACK_DEPTH           configMINIMAL_STACK_SIZE
+
+/* Optional functions - most linkers will remove unused functions anyway. */
+#define INCLUDE_vTaskPrioritySet               0
+#define INCLUDE_uxTaskPriorityGet              0
+#define INCLUDE_vTaskDelete                    0
+#define INCLUDE_vTaskSuspend                   1 // required for queue, semaphore, mutex to be blocked indefinitely with portMAX_DELAY
+#define INCLUDE_xResumeFromISR                 0
+#define INCLUDE_vTaskDelayUntil                1
+#define INCLUDE_vTaskDelay                     1
+#define INCLUDE_xTaskGetSchedulerState         0
+#define INCLUDE_xTaskGetCurrentTaskHandle      1
+#define INCLUDE_uxTaskGetStackHighWaterMark    0
+#define INCLUDE_xTaskGetIdleTaskHandle         0
+#define INCLUDE_xTimerGetTimerDaemonTaskHandle 0
+#define INCLUDE_pcTaskGetTaskName              0
+#define INCLUDE_eTaskGetState                  0
+#define INCLUDE_xEventGroupSetBitFromISR       0
+#define INCLUDE_xTimerPendFunctionCall         0
+
+#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 configMAX_SYSCALL_INTERRUPT_PRIORITY	4
+
+#else
+
+/* FreeRTOS hooks to NVIC vectors */
+#define xPortPendSVHandler    PendSV_Handler
+#define xPortSysTickHandler   SysTick_Handler
+#define vPortSVCHandler       SVC_Handler
+
+//--------------------------------------------------------------------+
+// Interrupt nesting behavior configuration.
+//--------------------------------------------------------------------+
+#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
+
+/* The lowest interrupt priority that can be used in a call to a "set priority" function. */
+#define configLIBRARY_LOWEST_INTERRUPT_PRIORITY			  ((1<<configPRIO_BITS) - 1)
+
+/* The highest interrupt priority that can be used by any interrupt service
+routine that makes calls to interrupt safe FreeRTOS API functions.  DO NOT CALL
+INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
+PRIORITY THAN THIS! (higher priorities are lower numeric values. */
+#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY	2
+
+/* Interrupt priorities used by the kernel port layer itself.  These are generic
+to all Cortex-M ports, and do not rely on any particular library functions. */
+#define configKERNEL_INTERRUPT_PRIORITY 		          ( configLIBRARY_LOWEST_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+/* !!!! configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to zero !!!!
+See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY 	        ( configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS) )
+
+#endif
+
+#endif /* __FREERTOS_CONFIG__H */
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_clock.c
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_clock.c
@@ -0,0 +1,91 @@
+/**
+  **************************************************************************
+  * @file     at32f425_clock.c
+  * @brief    system clock config program
+  **************************************************************************
+  *                       Copyright notice & Disclaimer
+  *
+  * The software Board Support Package (BSP) that is made available to
+  * download from Artery official website is the copyrighted work of Artery.
+  * Artery authorizes customers to use, copy, and distribute the BSP
+  * software and its related documentation for the purpose of design and
+  * development in conjunction with Artery microcontrollers. Use of the
+  * software is governed by this copyright notice and the following disclaimer.
+  *
+  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+  *
+  **************************************************************************
+  */
+
+/* includes ------------------------------------------------------------------*/
+#include "at32f425_clock.h"
+
+/**
+  * @brief  system clock config program
+  * @note   the system clock is configured as follow:
+  *         system clock (sclk)   = hext * pll_mult
+  *         system clock source   = pll (hext)
+  *         - hext                = HEXT_VALUE
+  *         - sclk                = 96000000
+  *         - ahbdiv              = 1
+  *         - ahbclk              = 96000000
+  *         - apb2div             = 1
+  *         - apb2clk             = 96000000
+  *         - apb1div             = 1
+  *         - apb1clk             = 96000000
+  *         - pll_mult            = 12
+  *         - flash_wtcyc         = 2 cycle
+  * @param  none
+  * @retval none
+  */
+void system_clock_config(void)
+{
+  /* reset crm */
+  crm_reset();
+
+  /* config flash psr register */
+  flash_psr_set(FLASH_WAIT_CYCLE_2);
+
+  crm_clock_source_enable(CRM_CLOCK_SOURCE_HEXT, TRUE);
+
+  /* wait till hext is ready */
+  while(crm_hext_stable_wait() == ERROR)
+  {
+  }
+
+  /* config pll clock resource */
+  crm_pll_config(CRM_PLL_SOURCE_HEXT, CRM_PLL_MULT_12);
+
+  /* enable pll */
+  crm_clock_source_enable(CRM_CLOCK_SOURCE_PLL, TRUE);
+
+  /* wait till pll is ready */
+  while(crm_flag_get(CRM_PLL_STABLE_FLAG) != SET)
+  {
+  }
+
+  /* config ahbclk */
+  crm_ahb_div_set(CRM_AHB_DIV_1);
+
+  /* config apb2clk, the maximum frequency of APB1/APB2 clock is 96 MHz  */
+  crm_apb2_div_set(CRM_APB2_DIV_1);
+
+  /* config apb1clk, the maximum frequency of APB1/APB2 clock is 96 MHz  */
+  crm_apb1_div_set(CRM_APB1_DIV_1);
+
+  /* select pll as system clock source */
+  crm_sysclk_switch(CRM_SCLK_PLL);
+
+  /* wait till pll is used as system clock source */
+  while(crm_sysclk_switch_status_get() != CRM_SCLK_PLL)
+  {
+  }
+
+  /* update system_core_clock global variable */
+  system_core_clock_update();
+}
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_clock.h
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_clock.h
@@ -0,0 +1,43 @@
+/**
+  **************************************************************************
+  * @file     at32f425_clock.h
+  * @brief    header file of clock program
+  **************************************************************************
+  *                       Copyright notice & Disclaimer
+  *
+  * The software Board Support Package (BSP) that is made available to
+  * download from Artery official website is the copyrighted work of Artery.
+  * Artery authorizes customers to use, copy, and distribute the BSP
+  * software and its related documentation for the purpose of design and
+  * development in conjunction with Artery microcontrollers. Use of the
+  * software is governed by this copyright notice and the following disclaimer.
+  *
+  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+  *
+  **************************************************************************
+  */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __AT32F425_CLOCK_H
+#define __AT32F425_CLOCK_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "at32f425.h"
+
+/* exported functions ------------------------------------------------------- */
+void system_clock_config(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_conf.h
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_conf.h
@@ -0,0 +1,145 @@
+/**
+  **************************************************************************
+  * @file     at32f425_conf.h
+  * @brief    at32f425 config header file
+  **************************************************************************
+  *                       Copyright notice & Disclaimer
+  *
+  * The software Board Support Package (BSP) that is made available to
+  * download from Artery official website is the copyrighted work of Artery.
+  * Artery authorizes customers to use, copy, and distribute the BSP
+  * software and its related documentation for the purpose of design and
+  * development in conjunction with Artery microcontrollers. Use of the
+  * software is governed by this copyright notice and the following disclaimer.
+  *
+  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+  *
+  **************************************************************************
+  */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __AT32F425_CONF_H
+#define __AT32F425_CONF_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+  * @brief in the following line adjust the value of high speed external crystal (hext)
+  * used in your application
+  *
+  * tip: to avoid modifying this file each time you need to use different hext, you
+  *      can define the hext value in your toolchain compiler preprocessor.
+  *
+  */
+#if !defined  HEXT_VALUE
+#define HEXT_VALUE               ((uint32_t)8000000) /*!< value of the high speed external crystal in hz */
+#endif
+
+/**
+  * @brief in the following line adjust the high speed external crystal (hext) startup
+  * timeout value
+  */
+#define HEXT_STARTUP_TIMEOUT             ((uint16_t)0x3000)  /*!< time out for hext start up */
+#define HICK_VALUE                       ((uint32_t)8000000) /*!< value of the high speed internal clock in hz */
+#define LEXT_VALUE                       ((uint32_t)32768)   /*!< value of the low speed external clock in hz */
+
+/* module define -------------------------------------------------------------*/
+#define ACC_MODULE_ENABLED
+#define CRM_MODULE_ENABLED
+#define TMR_MODULE_ENABLED
+#define ERTC_MODULE_ENABLED
+#define GPIO_MODULE_ENABLED
+#define I2C_MODULE_ENABLED
+#define CAN_MODULE_ENABLED
+#define USB_MODULE_ENABLED
+#define USART_MODULE_ENABLED
+#define PWC_MODULE_ENABLED
+#define ADC_MODULE_ENABLED
+#define SPI_MODULE_ENABLED
+#define DMA_MODULE_ENABLED
+#define DEBUG_MODULE_ENABLED
+#define FLASH_MODULE_ENABLED
+#define CRC_MODULE_ENABLED
+#define WWDT_MODULE_ENABLED
+#define WDT_MODULE_ENABLED
+#define EXINT_MODULE_ENABLED
+#define MISC_MODULE_ENABLED
+#define SCFG_MODULE_ENABLED
+
+/* includes ------------------------------------------------------------------*/
+#ifdef ACC_MODULE_ENABLED
+#include "at32f425_acc.h"
+#endif
+#ifdef CRM_MODULE_ENABLED
+#include "at32f425_crm.h"
+#endif
+#ifdef CAN_MODULE_ENABLED
+#include "at32f425_can.h"
+#endif
+#ifdef USB_MODULE_ENABLED
+#include "at32f425_usb.h"
+#endif
+#ifdef TMR_MODULE_ENABLED
+#include "at32f425_tmr.h"
+#endif
+#ifdef ERTC_MODULE_ENABLED
+#include "at32f425_ertc.h"
+#endif
+#ifdef GPIO_MODULE_ENABLED
+#include "at32f425_gpio.h"
+#endif
+#ifdef I2C_MODULE_ENABLED
+#include "at32f425_i2c.h"
+#endif
+#ifdef USART_MODULE_ENABLED
+#include "at32f425_usart.h"
+#endif
+#ifdef PWC_MODULE_ENABLED
+#include "at32f425_pwc.h"
+#endif
+#ifdef ADC_MODULE_ENABLED
+#include "at32f425_adc.h"
+#endif
+#ifdef SPI_MODULE_ENABLED
+#include "at32f425_spi.h"
+#endif
+#ifdef DMA_MODULE_ENABLED
+#include "at32f425_dma.h"
+#endif
+#ifdef DEBUG_MODULE_ENABLED
+#include "at32f425_debug.h"
+#endif
+#ifdef FLASH_MODULE_ENABLED
+#include "at32f425_flash.h"
+#endif
+#ifdef CRC_MODULE_ENABLED
+#include "at32f425_crc.h"
+#endif
+#ifdef WWDT_MODULE_ENABLED
+#include "at32f425_wwdt.h"
+#endif
+#ifdef WDT_MODULE_ENABLED
+#include "at32f425_wdt.h"
+#endif
+#ifdef EXINT_MODULE_ENABLED
+#include "at32f425_exint.h"
+#endif
+#ifdef MISC_MODULE_ENABLED
+#include "at32f425_misc.h"
+#endif
+#ifdef SCFG_MODULE_ENABLED
+#include "at32f425_scfg.h"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_int.c
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_int.c
@@ -0,0 +1,139 @@
+/**
+  **************************************************************************
+  * @file     at32f425_int.c
+  * @brief    main interrupt service routines.
+  **************************************************************************
+  *                       Copyright notice & Disclaimer
+  *
+  * The software Board Support Package (BSP) that is made available to
+  * download from Artery official website is the copyrighted work of Artery.
+  * Artery authorizes customers to use, copy, and distribute the BSP
+  * software and its related documentation for the purpose of design and
+  * development in conjunction with Artery microcontrollers. Use of the
+  * software is governed by this copyright notice and the following disclaimer.
+  *
+  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+  *
+  **************************************************************************
+  */
+
+/* includes ------------------------------------------------------------------*/
+#include "at32f425_int.h"
+
+/** @addtogroup AT32F425_periph_examples
+  * @{
+  */
+
+/** @addtogroup 425_USB_device_msc
+  * @{
+  */
+
+/**
+  * @brief  this function handles nmi exception.
+  * @param  none
+  * @retval none
+  */
+void NMI_Handler(void)
+{
+}
+
+/**
+  * @brief  this function handles hard fault exception.
+  * @param  none
+  * @retval none
+  */
+// void HardFault_Handler(void)
+// {
+//   /* go to infinite loop when hard fault exception occurs */
+//   while(1)
+//   {
+//   }
+// }
+
+/**
+  * @brief  this function handles memory manage exception.
+  * @param  none
+  * @retval none
+  */
+void MemManage_Handler(void)
+{
+  /* go to infinite loop when memory manage exception occurs */
+  while(1)
+  {
+  }
+}
+
+/**
+  * @brief  this function handles bus fault exception.
+  * @param  none
+  * @retval none
+  */
+void BusFault_Handler(void)
+{
+  /* go to infinite loop when bus fault exception occurs */
+  while(1)
+  {
+  }
+}
+
+/**
+  * @brief  this function handles usage fault exception.
+  * @param  none
+  * @retval none
+  */
+void UsageFault_Handler(void)
+{
+  /* go to infinite loop when usage fault exception occurs */
+  while(1)
+  {
+  }
+}
+
+/**
+  * @brief  this function handles svcall exception.
+  * @param  none
+  * @retval none
+  */
+// void SVC_Handler(void)
+// {
+// }
+
+/**
+  * @brief  this function handles debug monitor exception.
+  * @param  none
+  * @retval none
+  */
+void DebugMon_Handler(void)
+{
+}
+
+/**
+  * @brief  this function handles pendsv_handler exception.
+  * @param  none
+  * @retval none
+  */
+// void PendSV_Handler(void)
+// {
+// }
+
+/**
+  * @brief  this function handles systick handler.
+  * @param  none
+  * @retval none
+  */
+// void SysTick_Handler(void)
+// {
+// }
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_int.h
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/at32f425_int.h
@@ -0,0 +1,55 @@
+/**
+  **************************************************************************
+  * @file     at32f425_int.h
+  * @brief    header file of main interrupt service routines.
+  **************************************************************************
+  *                       Copyright notice & Disclaimer
+  *
+  * The software Board Support Package (BSP) that is made available to
+  * download from Artery official website is the copyrighted work of Artery.
+  * Artery authorizes customers to use, copy, and distribute the BSP
+  * software and its related documentation for the purpose of design and
+  * development in conjunction with Artery microcontrollers. Use of the
+  * software is governed by this copyright notice and the following disclaimer.
+  *
+  * THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
+  * GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
+  * TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
+  * STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
+  * INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
+  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
+  *
+  **************************************************************************
+  */
+
+/* define to prevent recursive inclusion -------------------------------------*/
+#ifndef __AT32F425_INT_H
+#define __AT32F425_INT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "at32f425.h"
+
+/* exported types ------------------------------------------------------------*/
+/* exported constants --------------------------------------------------------*/
+/* exported macro ------------------------------------------------------------*/
+/* exported functions ------------------------------------------------------- */
+
+void NMI_Handler(void);
+void HardFault_Handler(void);
+void MemManage_Handler(void);
+void BusFault_Handler(void);
+void UsageFault_Handler(void);
+void SVC_Handler(void);
+void DebugMon_Handler(void);
+void PendSV_Handler(void);
+void SysTick_Handler(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/boards/at_start_f425/board.cmake
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/boards/at_start_f425/board.cmake
@@ -0,0 +1,12 @@
+set(MCU_VARIANT AT32F425R8T7)
+set(MCU_LINKER_NAME AT32F425x8)
+
+set(JLINK_DEVICE ${MCU_VARIANT})
+
+function(update_board TARGET)
+  target_compile_definitions(${TARGET} PUBLIC
+    ${MCU_VARIANT}
+    CFG_EXAMPLE_VIDEO_READONLY
+    CFG_EXAMPLE_MSC_READONLY
+    )
+endfunction()
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/boards/at_start_f425/board.h
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/boards/at_start_f425/board.h
@@ -0,0 +1,95 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+/* metadata:
+   name: AT-START-F425
+   url: https://www.arterychip.com/en/product/AT32F425.jsp
+*/
+
+#ifndef BOARD_H_
+#define BOARD_H_
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+#define USB_VBUS_IGNORE
+
+// LED
+#define LED_PORT              GPIOC
+#define LED_PIN               GPIO_PINS_2
+#define LED_STATE_ON          0 // Active Low
+#define LED_GPIO_CLK_EN()     crm_periph_clock_enable(CRM_GPIOC_PERIPH_CLOCK, TRUE)
+
+// Button
+#define BUTTON_PORT           GPIOA
+#define BUTTON_PIN            GPIO_PINS_0
+#define BUTTON_STATE_ACTIVE   1
+#define BUTTON_GPIO_CLK_EN()  crm_periph_clock_enable(CRM_GPIOA_PERIPH_CLOCK, TRUE)
+
+// Usart
+#define PRINT_UART                       USART1
+#define PRINT_UART_CRM_CLK               CRM_USART1_PERIPH_CLOCK
+#define PRINT_UART_TX_PIN                GPIO_PINS_9
+#define PRINT_UART_TX_GPIO               GPIOA
+#define PRINT_UART_TX_GPIO_CRM_CLK       CRM_GPIOA_PERIPH_CLOCK
+#define PRINT_UART_TX_PIN_SOURCE         GPIO_PINS_SOURCE9
+#define PRINT_UART_TX_PIN_MUX_NUM        GPIO_MUX_1
+
+//USB
+#define USB_ID                           0
+#define OTG_CLOCK                        CRM_OTGFS1_PERIPH_CLOCK
+#define OTG_IRQ                          OTGFS1_IRQn
+#define OTG_IRQ_HANDLER                  OTGFS1_IRQHandler
+#define OTG_WKUP_IRQ                     OTGFS1_WKUP_IRQn
+#define OTG_WKUP_HANDLER                 OTGFS1_WKUP_IRQHandler
+#define OTG_WKUP_EXINT_LINE              EXINT_LINE_18
+#define OTG_PIN_GPIO                     GPIOA
+#define OTG_PIN_GPIO_CLOCK               CRM_GPIOA_PERIPH_CLOCK
+#define OTG_PIN_DP                       GPIO_PINS_12
+#define OTG_PIN_DP_SOURCE                GPIO_PINS_SOURCE12
+#define OTG_PIN_DM                       GPIO_PINS_11
+#define OTG_PIN_DM_SOURCE                GPIO_PINS_SOURCE11
+#define OTG_PIN_VBUS                     GPIO_PINS_9
+#define OTG_PIN_VBUS_SOURCE              GPIO_PINS_SOURCE9
+#define OTG_PIN_ID                       GPIO_PINS_10
+#define OTG_PIN_ID_SOURCE                GPIO_PINS_SOURCE10
+#define OTG_PIN_SOF_GPIO                 GPIOA
+#define OTG_PIN_SOF_GPIO_CLOCK           CRM_GPIOA_PERIPH_CLOCK
+#define OTG_PIN_SOF                      GPIO_PINS_8
+#define OTG_PIN_SOF_SOURCE               GPIO_PINS_SOURCE8
+#define OTG_PIN_MUX                      GPIO_MUX_3
+
+static inline void board_vbus_sense_init(void)
+{
+    *(int*)(0x50000038) |= (1<<21);
+}
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* BOARD_H_ */
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/boards/at_start_f425/board.mk
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/boards/at_start_f425/board.mk
@@ -0,0 +1,9 @@
+MCU_VARIANT = AT32F425R8T7
+MCU_LINKER_NAME = AT32F425x8
+
+JLINK_DEVICE = ${MCU_VARIANT}
+
+CFLAGS += \
+  -D${MCU_VARIANT} \
+  -DCFG_EXAMPLE_VIDEO_READONLY \
+  -DCFG_EXAMPLE_MSC_READONLY
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/family.c
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/family.c
@@ -0,0 +1,283 @@
+/*
+ * 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.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+/* metadata:
+   manufacturer: Artery
+*/
+
+#include "at32f425_clock.h"
+#include "board.h"
+#include "bsp/board_api.h"
+
+void uart_print_init(uint32_t baudrate);
+void usb_clock48m_select(usb_clk48_s clk_s);
+void led_and_button_init(void);
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+void OTGFS1_IRQHandler(void) {
+  tusb_int_handler(0, true);
+}
+void OTGFS1_WKUP_IRQHandler(void) {
+  tusb_int_handler(0, true);
+}
+
+void board_init(void) {
+  /* config nvic priority group */
+  nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
+
+  /* config system clock */
+  system_clock_config();
+
+  /* enable usb clock */
+  crm_periph_clock_enable(OTG_CLOCK, TRUE);
+
+  /* select usb 48m clcok source */
+  usb_clock48m_select(USB_CLK_HEXT);
+
+  /* vbus ignore */
+  board_vbus_sense_init();
+
+  /* configure systick */
+  systick_clock_source_config(SYSTICK_CLOCK_SOURCE_AHBCLK_NODIV);
+  SysTick_Config(SystemCoreClock / 1000);
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(OTG_IRQ, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+#endif
+
+/* otgfs use vbus pin */
+#ifndef USB_VBUS_IGNORE
+  gpio_init_type gpio_init_struct;
+  crm_periph_clock_enable(OTG_PIN_GPIO_CLOCK, TRUE);
+  gpio_default_para_init(&gpio_init_struct);
+  gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
+  gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
+  gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
+  gpio_init_struct.gpio_pins = OTG_PIN_VBUS;
+  gpio_init_struct.gpio_pull = GPIO_PULL_DOWN;
+  gpio_pin_mux_config(OTG_PIN_GPIO, OTG_PIN_VBUS_SOURCE, OTG_PIN_MUX);
+  gpio_init(OTG_PIN_GPIO, &gpio_init_struct);
+#endif
+
+  /* config led and key */
+  led_and_button_init();
+
+  /* config usart printf */
+  uart_print_init(115200);
+  printf("usart printf config success!\r\n");
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+/**
+  * @brief  usb 48M clock select
+  * @param  clk_s:USB_CLK_HICK, USB_CLK_HEXT
+  * @retval none
+  */
+void usb_clock48m_select(usb_clk48_s clk_s) {
+  if (clk_s == USB_CLK_HICK) {
+    crm_usb_clock_source_select(CRM_USB_CLOCK_SOURCE_HICK);
+
+    /* enable the acc calibration ready interrupt */
+    crm_periph_clock_enable(CRM_ACC_PERIPH_CLOCK, TRUE);
+
+    /* update the c1\c2\c3 value */
+    acc_write_c1(7980);
+    acc_write_c2(8000);
+    acc_write_c3(8020);
+
+    /* open acc calibration */
+    acc_calibration_mode_enable(ACC_CAL_HICKTRIM, TRUE);
+  } else {
+    /* usb divider reset */
+    crm_usb_div_reset();
+
+    switch (system_core_clock) {
+      /* 48MHz */
+      case 48000000:
+        crm_usb_clock_div_set(CRM_USB_DIV_1);
+        break;
+
+      /* 72MHz */
+      case 72000000:
+        crm_usb_clock_div_set(CRM_USB_DIV_1_5);
+        break;
+
+      /* 96MHz */
+      case 96000000:
+        crm_usb_clock_div_set(CRM_USB_DIV_2);
+        break;
+
+      default:
+        break;
+    }
+  }
+}
+
+void led_and_button_init(void) {
+  /* LED */
+  gpio_init_type gpio_led_init_struct;
+  /* enable the led clock */
+  LED_GPIO_CLK_EN();
+  /* set default parameter */
+  gpio_default_para_init(&gpio_led_init_struct);
+  /* configure the led gpio */
+  gpio_led_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
+  gpio_led_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
+  gpio_led_init_struct.gpio_mode = GPIO_MODE_OUTPUT;
+  gpio_led_init_struct.gpio_pins = LED_PIN;
+  gpio_led_init_struct.gpio_pull = GPIO_PULL_NONE;
+  gpio_init(LED_PORT, &gpio_led_init_struct);
+  /* Button */
+  gpio_init_type gpio_button_init_struct;
+  /* enable the button clock */
+  BUTTON_GPIO_CLK_EN();
+  /* set default parameter */
+  gpio_default_para_init(&gpio_button_init_struct);
+  /* configure the button gpio */
+  gpio_button_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
+  gpio_button_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
+  gpio_button_init_struct.gpio_mode = GPIO_MODE_INPUT;
+  gpio_button_init_struct.gpio_pins = BUTTON_PIN;
+  gpio_button_init_struct.gpio_pull = GPIO_PULL_DOWN;
+  gpio_init(BUTTON_PORT, &gpio_button_init_struct);
+}
+
+/**
+  * @brief  initialize uart
+  * @param  baudrate: uart baudrate
+  * @retval none
+  */
+void uart_print_init(uint32_t baudrate) {
+  gpio_init_type gpio_init_struct;
+  /* enable the uart and gpio clock */
+  crm_periph_clock_enable(PRINT_UART_CRM_CLK, TRUE);
+  crm_periph_clock_enable(PRINT_UART_TX_GPIO_CRM_CLK, TRUE);
+  gpio_default_para_init(&gpio_init_struct);
+  /* configure the uart tx pin */
+  gpio_init_struct.gpio_drive_strength = GPIO_DRIVE_STRENGTH_STRONGER;
+  gpio_init_struct.gpio_out_type = GPIO_OUTPUT_PUSH_PULL;
+  gpio_init_struct.gpio_mode = GPIO_MODE_MUX;
+  gpio_init_struct.gpio_pins = PRINT_UART_TX_PIN;
+  gpio_init_struct.gpio_pull = GPIO_PULL_NONE;
+  gpio_init(PRINT_UART_TX_GPIO, &gpio_init_struct);
+  gpio_pin_mux_config(PRINT_UART_TX_GPIO, PRINT_UART_TX_PIN_SOURCE, PRINT_UART_TX_PIN_MUX_NUM);
+  /* configure uart param */
+  usart_init(PRINT_UART, baudrate, USART_DATA_8BITS, USART_STOP_1_BIT);
+  usart_transmitter_enable(PRINT_UART, TRUE);
+  usart_enable(PRINT_UART, TRUE);
+}
+
+// Get characters from UART. Return number of read bytes
+int board_uart_read(uint8_t *buf, int len) {
+  (void) buf;
+  (void) len;
+  return 0;
+}
+
+// Send characters to UART. Return number of sent bytes
+int board_uart_write(void const *buf, int len) {
+#if CFG_TUSB_OS == OPT_OS_NONE
+  int txsize = len;
+  u16 timeout = 0xffff;
+  while (txsize--) {
+    while (usart_flag_get(PRINT_UART, USART_TDBE_FLAG) == RESET) {
+      timeout--;
+      if (timeout == 0) {
+        return 0;
+      }
+    }
+    PRINT_UART->dt = (*((uint8_t const *) buf) & 0x01FF);
+    buf++;
+  }
+  return len;
+#else
+  (void) buf;
+  (void) len;
+  return 0;
+#endif
+}
+
+void board_led_write(bool state) {
+  gpio_bits_write(LED_PORT, LED_PIN, state ^ (!LED_STATE_ON));
+}
+
+uint32_t board_button_read(void) {
+  return gpio_input_data_bit_read(BUTTON_PORT, BUTTON_PIN);
+}
+
+size_t board_get_unique_id(uint8_t id[], size_t max_len) {
+  (void) max_len;
+  volatile uint32_t *at32_uuid = ((volatile uint32_t *) 0x1FFFF7E8);
+  uint32_t *id32 = (uint32_t *) (uintptr_t) id;
+  uint8_t const len = 12;
+
+  id32[0] = at32_uuid[0];
+  id32[1] = at32_uuid[1];
+  id32[2] = at32_uuid[2];
+
+  return len;
+}
+
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+
+volatile uint32_t system_ticks = 0;
+void SysTick_Handler(void) {
+  system_ticks++;
+}
+
+uint32_t board_millis(void) {
+  return system_ticks;
+}
+
+void SVC_Handler(void) {
+}
+
+void PendSV_Handler(void) {
+}
+#endif
+
+void HardFault_Handler(void) {
+  __asm("BKPT #0\n");
+}
+
+// Required by __libc_init_array in startup code if we are compiling using
+// -nostdlib/-nostartfiles.
+void _init(void) {
+}
+
+#ifdef USE_FULL_ASSERT
+void assert_failed(const char *file, uint32_t line) {
+  /* USER CODE BEGIN 6 */
+  /* User can add his own implementation to report the file name and line number,
+     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
+  /* USER CODE END 6 */
+}
+#endif /* USE_FULL_ASSERT */
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/family.cmake
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/family.cmake
@@ -0,0 +1,108 @@
+include_guard()
+
+set(AT32_FAMILY at32f425)
+set(AT32_SDK_LIB ${TOP}/hw/mcu/artery/${AT32_FAMILY}/libraries)
+
+string(TOUPPER ${AT32_FAMILY} AT32_FAMILY_UPPER)
+
+# include board specific
+include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
+
+# toolchain set up
+set(CMAKE_SYSTEM_CPU cortex-m4-nofpu CACHE INTERNAL "System Processor")
+set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/arm_${TOOLCHAIN}.cmake)
+
+set(FAMILY_MCUS ${AT32_FAMILY_UPPER} CACHE INTERNAL "")
+
+#------------------------------------
+# BOARD_TARGET
+#------------------------------------
+# only need to be built ONCE for all examples
+function(add_board_target BOARD_TARGET)
+  if (TARGET ${BOARD_TARGET})
+    return()
+  endif ()
+
+  # Startup & Linker script
+  set(STARTUP_FILE_GNU ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/gcc/startup_${AT32_FAMILY}.s)
+  set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
+  set(STARTUP_FILE_IAR ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/iar/startup_${AT32_FAMILY}.s)
+
+  if (NOT DEFINED LD_FILE_GNU)
+    set(LD_FILE_GNU ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/gcc/linker/${MCU_LINKER_NAME}_FLASH.ld)
+  endif ()
+  set(LD_FILE_Clang ${LD_FILE_GNU})
+  set(LD_FILE_IAR ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/iar/linker/${MCU_LINKER_NAME}.icf)
+
+  add_library(${BOARD_TARGET} STATIC
+    ${AT32_SDK_LIB}/cmsis/cm4/device_support/system_${AT32_FAMILY}.c
+    ${AT32_SDK_LIB}/drivers/src/${AT32_FAMILY}_gpio.c
+    ${AT32_SDK_LIB}/drivers/src/${AT32_FAMILY}_misc.c
+    ${AT32_SDK_LIB}/drivers/src/${AT32_FAMILY}_usart.c
+    ${AT32_SDK_LIB}/drivers/src/${AT32_FAMILY}_crm.c
+    ${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
+    )
+  target_include_directories(${BOARD_TARGET} PUBLIC
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${AT32_SDK_LIB}/cmsis/cm4/core_support
+    ${AT32_SDK_LIB}/cmsis/cm4/device_support
+    ${AT32_SDK_LIB}/drivers/inc
+    )
+  update_board(${BOARD_TARGET})
+
+  if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_GNU}"
+      -nostartfiles
+      --specs=nosys.specs --specs=nano.specs
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--script=${LD_FILE_Clang}"
+      )
+  elseif (CMAKE_C_COMPILER_ID STREQUAL "IAR")
+    target_link_options(${BOARD_TARGET} PUBLIC
+      "LINKER:--config=${LD_FILE_IAR}"
+      )
+  endif ()
+endfunction()
+
+
+#------------------------------------
+# Functions
+#------------------------------------
+function(family_configure_example TARGET RTOS)
+  family_configure_common(${TARGET} ${RTOS})
+
+  # Board target
+  add_board_target(board_${BOARD})
+
+  #---------- Port Specific ----------
+  # These files are built for each example since it depends on example's tusb_config.h
+  target_sources(${TARGET} PUBLIC
+    # BSP
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/family.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../board.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/${AT32_FAMILY}_clock.c
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/${AT32_FAMILY}_int.c
+    )
+  target_include_directories(${TARGET} PUBLIC
+    # family, hw, board
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../../
+    ${CMAKE_CURRENT_FUNCTION_LIST_DIR}/boards/${BOARD}
+    )
+
+  # Add TinyUSB target and port source
+  family_add_tinyusb(${TARGET} OPT_MCU_${AT32_FAMILY_UPPER})
+  target_sources(${TARGET} PUBLIC
+    ${TOP}/src/portable/synopsys/dwc2/dcd_dwc2.c
+    ${TOP}/src/portable/synopsys/dwc2/hcd_dwc2.c
+    ${TOP}/src/portable/synopsys/dwc2/dwc2_common.c
+    )
+  target_link_libraries(${TARGET} PUBLIC board_${BOARD})
+
+  # Flashing
+  family_add_bin_hex(${TARGET})
+  family_flash_jlink(${TARGET})
+endfunction()
--- a/managed_components/espressif__tinyusb/hw/bsp/at32f425/family.mk
+++ b/managed_components/espressif__tinyusb/hw/bsp/at32f425/family.mk
@@ -0,0 +1,39 @@
+AT32_FAMILY = at32f425
+AT32_SDK_LIB = hw/mcu/artery/${AT32_FAMILY}/libraries
+
+include $(TOP)/$(BOARD_PATH)/board.mk
+
+CPU_CORE ?= cortex-m4-nofpu
+
+CFLAGS_GCC += \
+  -flto
+
+CFLAGS += \
+	-DCFG_TUSB_MCU=OPT_MCU_AT32F425 \
+
+LDFLAGS_GCC += \
+	-flto --specs=nosys.specs -nostdlib -nostartfiles
+
+SRC_C += \
+	src/portable/synopsys/dwc2/dcd_dwc2.c \
+	src/portable/synopsys/dwc2/hcd_dwc2.c \
+	src/portable/synopsys/dwc2/dwc2_common.c \
+	$(AT32_SDK_LIB)/drivers/src/${AT32_FAMILY}_gpio.c \
+	$(AT32_SDK_LIB)/drivers/src/${AT32_FAMILY}_misc.c \
+	$(AT32_SDK_LIB)/drivers/src/${AT32_FAMILY}_usart.c \
+	$(AT32_SDK_LIB)/drivers/src/${AT32_FAMILY}_crm.c \
+	$(AT32_SDK_LIB)/cmsis/cm4/device_support/system_${AT32_FAMILY}.c
+
+INC += \
+	$(TOP)/$(BOARD_PATH) \
+	$(TOP)/$(AT32_SDK_LIB)/drivers/inc \
+	$(TOP)/$(AT32_SDK_LIB)/cmsis/cm4/core_support \
+	$(TOP)/$(AT32_SDK_LIB)/cmsis/cm4/device_support
+
+SRC_S_GCC += ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/gcc/startup_${AT32_FAMILY}.s
+SRC_S_IAR += ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/iar/startup_${AT32_FAMILY}.s
+
+LD_FILE_GCC ?= ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/gcc/linker/${MCU_LINKER_NAME}_FLASH.ld
+LD_FILE_IAR ?= ${AT32_SDK_LIB}/cmsis/cm4/device_support/startup/iar/linker/${MCU_LINKER_NAME}.icf
+
+flash: flash-atlink