diff --git a/usb/CMakeLists.txt b/usb/CMakeLists.txt
index 4a0b5c2e0..1fba145c6 100644
--- a/usb/CMakeLists.txt
+++ b/usb/CMakeLists.txt
@@ -13,3 +13,15 @@ if (TARGET tinyusb_pico_pio_usb)
 else ()
     message("Skipping TinyUSB dual examples, as TinyUSB hw/mcu/raspberry_pi/Pico-PIO-USB submodule unavailable")
 endif ()
+
+if (TARGET cherryusb_device)
+    add_subdirectory(cherryusb/device)
+else()
+    message("Skipping CherryUSB device examples as CherryUSB is unavailable")
+endif()
+
+if (TARGET cherryusb_host)
+    add_subdirectory(cherryusb/host)
+else()
+    message("Skipping CherryUSB host examples as CherryUSB is unavailable")
+endif()
\ No newline at end of file
diff --git a/usb/cherryusb/config/FreeRTOSConfig_examples_common.h b/usb/cherryusb/config/FreeRTOSConfig_examples_common.h
new file mode 100755
index 000000000..88d4ac94f
--- /dev/null
+++ b/usb/cherryusb/config/FreeRTOSConfig_examples_common.h
@@ -0,0 +1,157 @@
+/*
+ * FreeRTOS V202111.00
+ * Copyright (C) 2020 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.
+ *
+ * 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_EXAMPLES_COMMON_H
+#define FREERTOS_CONFIG_EXAMPLES_COMMON_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
+ *----------------------------------------------------------*/
+
+/* Scheduler Related */
+#define configUSE_PREEMPTION                    1
+#define configUSE_TICKLESS_IDLE                 0
+#define configUSE_IDLE_HOOK                     0
+#define configUSE_TICK_HOOK                     0
+#define configTICK_RATE_HZ                      ( ( TickType_t ) 1000 )
+#define configMAX_PRIORITIES                    32
+#define configMINIMAL_STACK_SIZE                ( configSTACK_DEPTH_TYPE ) 512 
+#define configUSE_16_BIT_TICKS                  0
+
+#define configIDLE_SHOULD_YIELD                 1
+
+/* Synchronization Related */
+#define configUSE_MUTEXES                       1
+#define configUSE_RECURSIVE_MUTEXES             1
+#define configUSE_APPLICATION_TASK_TAG          0
+#define configUSE_COUNTING_SEMAPHORES           1
+#define configQUEUE_REGISTRY_SIZE               8
+#define configUSE_QUEUE_SETS                    1
+#define configUSE_TIME_SLICING                  1
+#define configUSE_NEWLIB_REENTRANT              0
+// todo need this for lwip FreeRTOS sys_arch to compile
+#define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configNUM_THREAD_LOCAL_STORAGE_POINTERS 5
+
+/* System */
+#define configSTACK_DEPTH_TYPE                  uint32_t
+#define configMESSAGE_BUFFER_LENGTH_TYPE        size_t
+
+/* Memory allocation related definitions. */
+#define configSUPPORT_STATIC_ALLOCATION         0
+#define configSUPPORT_DYNAMIC_ALLOCATION        1
+#define configTOTAL_HEAP_SIZE                   (128*1024)
+#define configAPPLICATION_ALLOCATED_HEAP        0
+
+/* Hook function related definitions. */
+#define configCHECK_FOR_STACK_OVERFLOW          0
+#define configUSE_MALLOC_FAILED_HOOK            0
+#define configUSE_DAEMON_TASK_STARTUP_HOOK      0
+
+/* Run time and task stats gathering related definitions. */
+#define configGENERATE_RUN_TIME_STATS           0
+#define configUSE_TRACE_FACILITY                1
+#define configUSE_STATS_FORMATTING_FUNCTIONS    0
+
+/* Co-routine related definitions. */
+#define configUSE_CO_ROUTINES                   0
+#define configMAX_CO_ROUTINE_PRIORITIES         1
+
+/* Software timer related definitions. */
+#define configUSE_TIMERS                        1
+#define configTIMER_TASK_PRIORITY               ( configMAX_PRIORITIES - 1 )
+#define configTIMER_QUEUE_LENGTH                10
+#define configTIMER_TASK_STACK_DEPTH            1024
+
+/* Interrupt nesting behaviour configuration. */
+/*
+#define configKERNEL_INTERRUPT_PRIORITY         [dependent of processor]
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY    [dependent on processor and application]
+#define configMAX_API_CALL_INTERRUPT_PRIORITY   [dependent on processor and application]
+*/
+
+#if FREE_RTOS_KERNEL_SMP // set by the RP2xxx SMP port of FreeRTOS
+/* SMP port only */
+#ifndef configNUMBER_OF_CORES
+#define configNUMBER_OF_CORES                   2
+#endif
+#define configNUM_CORES                         configNUMBER_OF_CORES
+#define configTICK_CORE                         0
+#define configRUN_MULTIPLE_PRIORITIES           1
+#if configNUMBER_OF_CORES > 1
+#define configUSE_CORE_AFFINITY                 1
+#endif
+#define configUSE_PASSIVE_IDLE_HOOK             0
+#endif
+
+/* RP2040 specific */
+#define configSUPPORT_PICO_SYNC_INTEROP         1
+#define configSUPPORT_PICO_TIME_INTEROP         1
+
+#include <assert.h>
+/* Define to trap errors during development. */
+#define configASSERT(x)                         assert(x)
+
+/* Set the following definitions to 1 to include the API function, or zero
+to exclude the API function. */
+#define INCLUDE_vTaskPrioritySet                1
+#define INCLUDE_uxTaskPriorityGet               1
+#define INCLUDE_vTaskDelete                     1
+#define INCLUDE_vTaskSuspend                    1
+#define INCLUDE_vTaskDelayUntil                 1
+#define INCLUDE_vTaskDelay                      1
+#define INCLUDE_xTaskGetSchedulerState          1
+#define INCLUDE_xTaskGetCurrentTaskHandle       1
+#define INCLUDE_uxTaskGetStackHighWaterMark     1
+#define INCLUDE_xTaskGetIdleTaskHandle          1
+#define INCLUDE_eTaskGetState                   1
+#define INCLUDE_xTimerPendFunctionCall          1
+#define INCLUDE_xTaskAbortDelay                 1
+#define INCLUDE_xTaskGetHandle                  1
+#define INCLUDE_xTaskResumeFromISR              1
+#define INCLUDE_xQueueGetMutexHolder            1
+
+#if PICO_RP2350
+#define configENABLE_MPU                        0
+#define configENABLE_TRUSTZONE                  0
+#define configRUN_FREERTOS_SECURE_ONLY          1
+#define configENABLE_FPU                        1
+#define configMAX_SYSCALL_INTERRUPT_PRIORITY    16
+#endif
+
+/* A header file that defines trace macro can be included here. */
+
+#endif /* FREERTOS_CONFIG_H */
+
diff --git a/usb/cherryusb/config/usb_config_examples_common.h b/usb/cherryusb/config/usb_config_examples_common.h
new file mode 100644
index 000000000..69803028d
--- /dev/null
+++ b/usb/cherryusb/config/usb_config_examples_common.h
@@ -0,0 +1,295 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef CHERRYUSB_CONFIG_EXAMPLES_COMMON_H
+#define CHERRYUSB_CONFIG_EXAMPLES_COMMON_H
+
+/* ================ USB common Configuration ================ */
+
+#define CONFIG_USB_PRINTF(...) printf(__VA_ARGS__)
+
+#ifndef CONFIG_USB_DBG_LEVEL
+#define CONFIG_USB_DBG_LEVEL USB_DBG_INFO
+#endif
+
+/* Enable print with color */
+#define CONFIG_USB_PRINTF_COLOR_ENABLE
+
+/* data align size when use dma or use dcache */
+#ifndef CONFIG_USB_ALIGN_SIZE
+#define CONFIG_USB_ALIGN_SIZE 4
+#endif
+
+//#define CONFIG_USB_DCACHE_ENABLE
+
+/* attribute data into no cache ram */
+#define USB_NOCACHE_RAM_SECTION
+
+/* ================= USB Device Stack Configuration ================ */
+
+/* Ep0 in and out transfer buffer */
+#ifndef CONFIG_USBDEV_REQUEST_BUFFER_LEN
+#define CONFIG_USBDEV_REQUEST_BUFFER_LEN 512
+#endif
+
+/* Setup packet log for debug */
+// #define CONFIG_USBDEV_SETUP_LOG_PRINT
+
+/* Send ep0 in data from user buffer instead of copying into ep0 reqdata
+ * Please note that user buffer must be aligned with CONFIG_USB_ALIGN_SIZE
+*/
+// #define CONFIG_USBDEV_EP0_INDATA_NO_COPY
+
+/* Check if the input descriptor is correct */
+// #define CONFIG_USBDEV_DESC_CHECK
+
+/* Enable test mode */
+// #define CONFIG_USBDEV_TEST_MODE
+
+#ifndef CONFIG_USBDEV_MSC_MAX_LUN
+#define CONFIG_USBDEV_MSC_MAX_LUN 1
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_MAX_BUFSIZE
+#define CONFIG_USBDEV_MSC_MAX_BUFSIZE 512
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_MANUFACTURER_STRING
+#define CONFIG_USBDEV_MSC_MANUFACTURER_STRING ""
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_PRODUCT_STRING
+#define CONFIG_USBDEV_MSC_PRODUCT_STRING ""
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_VERSION_STRING
+#define CONFIG_USBDEV_MSC_VERSION_STRING "0.01"
+#endif
+
+/* move msc read & write from isr to while(1), you should call usbd_msc_polling in while(1) */
+// #define CONFIG_USBDEV_MSC_POLLING
+
+/* move msc read & write from isr to thread */
+// #define CONFIG_USBDEV_MSC_THREAD
+
+#ifndef CONFIG_USBDEV_MSC_PRIO
+#define CONFIG_USBDEV_MSC_PRIO 4
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_STACKSIZE
+#define CONFIG_USBDEV_MSC_STACKSIZE 2048
+#endif
+
+#ifndef CONFIG_USBDEV_RNDIS_RESP_BUFFER_SIZE
+#define CONFIG_USBDEV_RNDIS_RESP_BUFFER_SIZE 156
+#endif
+
+/* rndis transfer buffer size, must be a multiple of (1536 + 44)*/
+#ifndef CONFIG_USBDEV_RNDIS_ETH_MAX_FRAME_SIZE
+#define CONFIG_USBDEV_RNDIS_ETH_MAX_FRAME_SIZE 1580
+#endif
+
+#ifndef CONFIG_USBDEV_RNDIS_VENDOR_ID
+#define CONFIG_USBDEV_RNDIS_VENDOR_ID 0x0000ffff
+#endif
+
+#ifndef CONFIG_USBDEV_RNDIS_VENDOR_DESC
+#define CONFIG_USBDEV_RNDIS_VENDOR_DESC "CherryUSB"
+#endif
+
+#define CONFIG_USBDEV_RNDIS_USING_LWIP
+
+/* ================ USB HOST Stack Configuration ================== */
+
+#define CONFIG_USBHOST_MAX_RHPORTS          1
+#define CONFIG_USBHOST_MAX_EXTHUBS          1
+#define CONFIG_USBHOST_MAX_EHPORTS          4
+#define CONFIG_USBHOST_MAX_INTERFACES       8
+#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 8
+#define CONFIG_USBHOST_MAX_ENDPOINTS        4
+
+#define CONFIG_USBHOST_MAX_CDC_ACM_CLASS 4
+#define CONFIG_USBHOST_MAX_HID_CLASS     4
+#define CONFIG_USBHOST_MAX_MSC_CLASS     2
+#define CONFIG_USBHOST_MAX_AUDIO_CLASS   1
+#define CONFIG_USBHOST_MAX_VIDEO_CLASS   1
+
+#define CONFIG_USBHOST_DEV_NAMELEN 16
+
+#ifndef CONFIG_USBHOST_PSC_PRIO
+#define CONFIG_USBHOST_PSC_PRIO 0
+#endif
+#ifndef CONFIG_USBHOST_PSC_STACKSIZE
+#define CONFIG_USBHOST_PSC_STACKSIZE 2048
+#endif
+
+//#define CONFIG_USBHOST_GET_STRING_DESC
+
+// #define CONFIG_USBHOST_MSOS_ENABLE
+#ifndef CONFIG_USBHOST_MSOS_VENDOR_CODE
+#define CONFIG_USBHOST_MSOS_VENDOR_CODE 0x00
+#endif
+
+/* Ep0 max transfer buffer */
+#ifndef CONFIG_USBHOST_REQUEST_BUFFER_LEN
+#define CONFIG_USBHOST_REQUEST_BUFFER_LEN 512
+#endif
+
+#ifndef CONFIG_USBHOST_CONTROL_TRANSFER_TIMEOUT
+#define CONFIG_USBHOST_CONTROL_TRANSFER_TIMEOUT 500
+#endif
+
+#ifndef CONFIG_USBHOST_MSC_TIMEOUT
+#define CONFIG_USBHOST_MSC_TIMEOUT 5000
+#endif
+
+/* This parameter affects usb performance, and depends on (TCP_WND)tcp eceive windows size,
+ * you can change to 2K ~ 16K and must be larger than TCP RX windows size in order to avoid being overflow.
+ */
+#ifndef CONFIG_USBHOST_RNDIS_ETH_MAX_RX_SIZE
+#define CONFIG_USBHOST_RNDIS_ETH_MAX_RX_SIZE (2048)
+#endif
+
+/* Because lwip do not support multi pbuf at a time, so increasing this variable has no performance improvement */
+#ifndef CONFIG_USBHOST_RNDIS_ETH_MAX_TX_SIZE
+#define CONFIG_USBHOST_RNDIS_ETH_MAX_TX_SIZE (2048)
+#endif
+
+/* This parameter affects usb performance, and depends on (TCP_WND)tcp eceive windows size,
+ * you can change to 2K ~ 16K and must be larger than TCP RX windows size in order to avoid being overflow.
+ */
+#ifndef CONFIG_USBHOST_CDC_NCM_ETH_MAX_RX_SIZE
+#define CONFIG_USBHOST_CDC_NCM_ETH_MAX_RX_SIZE (2048)
+#endif
+/* Because lwip do not support multi pbuf at a time, so increasing this variable has no performance improvement */
+#ifndef CONFIG_USBHOST_CDC_NCM_ETH_MAX_TX_SIZE
+#define CONFIG_USBHOST_CDC_NCM_ETH_MAX_TX_SIZE (2048)
+#endif
+
+/* This parameter affects usb performance, and depends on (TCP_WND)tcp eceive windows size,
+ * you can change to 2K ~ 16K and must be larger than TCP RX windows size in order to avoid being overflow.
+ */
+#ifndef CONFIG_USBHOST_ASIX_ETH_MAX_RX_SIZE
+#define CONFIG_USBHOST_ASIX_ETH_MAX_RX_SIZE (2048)
+#endif
+/* Because lwip do not support multi pbuf at a time, so increasing this variable has no performance improvement */
+#ifndef CONFIG_USBHOST_ASIX_ETH_MAX_TX_SIZE
+#define CONFIG_USBHOST_ASIX_ETH_MAX_TX_SIZE (2048)
+#endif
+
+/* This parameter affects usb performance, and depends on (TCP_WND)tcp eceive windows size,
+ * you can change to 2K ~ 16K and must be larger than TCP RX windows size in order to avoid being overflow.
+ */
+#ifndef CONFIG_USBHOST_RTL8152_ETH_MAX_RX_SIZE
+#define CONFIG_USBHOST_RTL8152_ETH_MAX_RX_SIZE (2048)
+#endif
+/* Because lwip do not support multi pbuf at a time, so increasing this variable has no performance improvement */
+#ifndef CONFIG_USBHOST_RTL8152_ETH_MAX_TX_SIZE
+#define CONFIG_USBHOST_RTL8152_ETH_MAX_TX_SIZE (2048)
+#endif
+
+#define CONFIG_USBHOST_BLUETOOTH_HCI_H4
+// #define CONFIG_USBHOST_BLUETOOTH_HCI_LOG
+
+#ifndef CONFIG_USBHOST_BLUETOOTH_TX_SIZE
+#define CONFIG_USBHOST_BLUETOOTH_TX_SIZE 2048
+#endif
+#ifndef CONFIG_USBHOST_BLUETOOTH_RX_SIZE
+#define CONFIG_USBHOST_BLUETOOTH_RX_SIZE 2048
+#endif
+
+/* ================ USB Device Port Configuration ================*/
+
+#ifndef CONFIG_USBDEV_MAX_BUS
+#define CONFIG_USBDEV_MAX_BUS 1 // for now, bus num must be 1 except hpm ip
+#endif
+
+#ifndef CONFIG_USBDEV_EP_NUM
+#define CONFIG_USBDEV_EP_NUM 16
+#endif
+
+/* When your chip hardware supports high-speed and wants to initialize it in high-speed mode, the relevant IP will configure the internal or external high-speed PHY according to CONFIG_USB_HS. */
+// #define CONFIG_USB_HS
+
+/* ---------------- FSDEV Configuration ---------------- */
+//#define CONFIG_USBDEV_FSDEV_PMA_ACCESS 2 // maybe 1 or 2, many chips may have a difference
+
+/* ---------------- DWC2 Configuration ---------------- */
+/* (5 * number of control endpoints + 8) + ((largest USB packet used / 4) + 1 for
+ * status information) + (2 * number of OUT endpoints) + 1 for Global NAK
+ */
+// #define CONFIG_USB_DWC2_RXALL_FIFO_SIZE (1024 / 4)
+/* IN Endpoints Max packet Size / 4 */
+// #define CONFIG_USB_DWC2_TX0_FIFO_SIZE (64 / 4)
+// #define CONFIG_USB_DWC2_TX1_FIFO_SIZE (1024 / 4)
+// #define CONFIG_USB_DWC2_TX2_FIFO_SIZE (64 / 4)
+// #define CONFIG_USB_DWC2_TX3_FIFO_SIZE (64 / 4)
+// #define CONFIG_USB_DWC2_TX4_FIFO_SIZE (0 / 4)
+// #define CONFIG_USB_DWC2_TX5_FIFO_SIZE (0 / 4)
+// #define CONFIG_USB_DWC2_TX6_FIFO_SIZE (0 / 4)
+// #define CONFIG_USB_DWC2_TX7_FIFO_SIZE (0 / 4)
+// #define CONFIG_USB_DWC2_TX8_FIFO_SIZE (0 / 4)
+
+// #define CONFIG_USB_DWC2_DMA_ENABLE
+
+/* ---------------- MUSB Configuration ---------------- */
+// #define CONFIG_USB_MUSB_SUNXI
+
+/* ================ USB Host Port Configuration ==================*/
+#ifndef CONFIG_USBHOST_MAX_BUS
+#define CONFIG_USBHOST_MAX_BUS 1
+#endif
+
+#ifndef CONFIG_USBHOST_PIPE_NUM
+#define CONFIG_USBHOST_PIPE_NUM 15
+#endif
+
+/* ---------------- EHCI Configuration ---------------- */
+
+#define CONFIG_USB_EHCI_HCCR_OFFSET     (0x0)
+#define CONFIG_USB_EHCI_FRAME_LIST_SIZE 1024
+#define CONFIG_USB_EHCI_QH_NUM          CONFIG_USBHOST_PIPE_NUM
+#define CONFIG_USB_EHCI_QTD_NUM         3
+#define CONFIG_USB_EHCI_ITD_NUM         20
+// #define CONFIG_USB_EHCI_HCOR_RESERVED_DISABLE
+// #define CONFIG_USB_EHCI_CONFIGFLAG
+// #define CONFIG_USB_EHCI_ISO
+// #define CONFIG_USB_EHCI_WITH_OHCI
+
+/* ---------------- OHCI Configuration ---------------- */
+#define CONFIG_USB_OHCI_HCOR_OFFSET (0x0)
+
+/* ---------------- XHCI Configuration ---------------- */
+#define CONFIG_USB_XHCI_HCCR_OFFSET (0x0)
+
+/* ---------------- DWC2 Configuration ---------------- */
+/* largest non-periodic USB packet used / 4 */
+// #define CONFIG_USB_DWC2_NPTX_FIFO_SIZE (512 / 4)
+/* largest periodic USB packet used / 4 */
+// #define CONFIG_USB_DWC2_PTX_FIFO_SIZE (1024 / 4)
+/*
+ * (largest USB packet used / 4) + 1 for status information + 1 transfer complete +
+ * 1 location each for Bulk/Control endpoint for handling NAK/NYET scenario
+ */
+// #define CONFIG_USB_DWC2_RX_FIFO_SIZE ((1012 - CONFIG_USB_DWC2_NPTX_FIFO_SIZE - CONFIG_USB_DWC2_PTX_FIFO_SIZE))
+
+/* ---------------- MUSB Configuration ---------------- */
+// #define CONFIG_USB_MUSB_SUNXI
+
+/* ================ USB Dcache Configuration ==================*/
+
+#ifdef CONFIG_USB_DCACHE_ENABLE
+/* style 1*/
+// void usb_dcache_clean(uintptr_t addr, uint32_t size);
+// void usb_dcache_invalidate(uintptr_t addr, uint32_t size);
+// void usb_dcache_flush(uintptr_t addr, uint32_t size);
+
+/* style 2*/
+// #define usb_dcache_clean(addr, size)
+// #define usb_dcache_invalidate(addr, size)
+// #define usb_dcache_flush(addr, size)
+#endif
+
+#endif
diff --git a/usb/cherryusb/device/CMakeLists.txt b/usb/cherryusb/device/CMakeLists.txt
new file mode 100644
index 000000000..1fa8f5e7f
--- /dev/null
+++ b/usb/cherryusb/device/CMakeLists.txt
@@ -0,0 +1 @@
+add_subdirectory(dev_cdc_msc_hid)
\ No newline at end of file
diff --git a/usb/cherryusb/device/dev_cdc_msc_hid/CMakeLists.txt b/usb/cherryusb/device/dev_cdc_msc_hid/CMakeLists.txt
new file mode 100644
index 000000000..c004b6167
--- /dev/null
+++ b/usb/cherryusb/device/dev_cdc_msc_hid/CMakeLists.txt
@@ -0,0 +1,16 @@
+get_filename_component(project_name ${CMAKE_CURRENT_LIST_DIR} NAME)
+
+add_executable(${project_name}
+main.c
+)
+
+target_include_directories(${project_name} PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR} ../../config)
+
+# pull in common dependencies
+target_link_libraries(${project_name} PRIVATE pico_stdlib hardware_resets hardware_irq cherryusb_device)
+# create map/bin/hex file etc.
+pico_add_extra_outputs(${project_name})
+
+# add url via pico_set_program_url
+example_auto_set_url(${project_name})
\ No newline at end of file
diff --git a/usb/cherryusb/device/dev_cdc_msc_hid/main.c b/usb/cherryusb/device/dev_cdc_msc_hid/main.c
new file mode 100644
index 000000000..35e5085f9
--- /dev/null
+++ b/usb/cherryusb/device/dev_cdc_msc_hid/main.c
@@ -0,0 +1,25 @@
+#include "pico/stdlib.h"
+#include "pico/time.h"
+#include "usbd_core.h"
+#include <stdio.h>
+#include <string.h>
+
+#include "cdc_acm_hid_msc_template.c"
+
+int main(void)
+{
+    stdio_init_all();
+    printf("CherryUSB device cdc msc example\n");
+
+    extern void cdc_acm_hid_msc_descriptor_init(uint8_t busid, uintptr_t reg_base);
+    cdc_acm_hid_msc_descriptor_init(0, 0); // regbase is not used
+
+    // Everything is interrupt driven so just loop here
+    while (1) {
+        extern void cdc_acm_data_send_with_dtr_test(uint8_t busid);
+        cdc_acm_data_send_with_dtr_test(0);
+        extern void hid_mouse_test(uint8_t busid);
+        hid_mouse_test(0);
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/usb/cherryusb/device/dev_cdc_msc_hid/usb_config.h b/usb/cherryusb/device/dev_cdc_msc_hid/usb_config.h
new file mode 100644
index 000000000..4487e9263
--- /dev/null
+++ b/usb/cherryusb/device/dev_cdc_msc_hid/usb_config.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef CHERRYUSB_CONFIG_H
+#define CHERRYUSB_CONFIG_H
+
+#include "usb_config_examples_common.h"
+
+#endif
diff --git a/usb/cherryusb/host/CMakeLists.txt b/usb/cherryusb/host/CMakeLists.txt
new file mode 100644
index 000000000..436a8fcf7
--- /dev/null
+++ b/usb/cherryusb/host/CMakeLists.txt
@@ -0,0 +1,8 @@
+if (NOT FREERTOS_KERNEL_PATH AND NOT DEFINED ENV{FREERTOS_KERNEL_PATH})
+    message("Skipping FreeRTOS examples as FREERTOS_KERNEL_PATH not defined")
+    return()
+endif()
+
+include(FreeRTOS_Kernel_import.cmake)
+
+add_subdirectory(host_cdc_msc_hid)
\ No newline at end of file
diff --git a/usb/cherryusb/host/FreeRTOS_Kernel_import.cmake b/usb/cherryusb/host/FreeRTOS_Kernel_import.cmake
new file mode 100755
index 000000000..15d8e7724
--- /dev/null
+++ b/usb/cherryusb/host/FreeRTOS_Kernel_import.cmake
@@ -0,0 +1,91 @@
+# This is a copy of <FREERTOS_KERNEL_PATH>/portable/ThirdParty/GCC/RP2040/FREERTOS_KERNEL_import.cmake
+
+# This can be dropped into an external project to help locate the FreeRTOS kernel
+# It should be include()ed prior to project(). Alternatively this file may
+# or the CMakeLists.txt in this directory may be included or added via add_subdirectory
+# respectively.
+
+if (DEFINED ENV{FREERTOS_KERNEL_PATH} AND (NOT FREERTOS_KERNEL_PATH))
+    set(FREERTOS_KERNEL_PATH $ENV{FREERTOS_KERNEL_PATH})
+    message("Using FREERTOS_KERNEL_PATH from environment ('${FREERTOS_KERNEL_PATH}')")
+endif ()
+
+# first pass we look in old tree; second pass we look in new tree
+foreach(SEARCH_PASS RANGE 0 1)
+    if (SEARCH_PASS)
+        # ports may be moving to submodule in the future
+        set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "portable/ThirdParty/Community-Supported-Ports/GCC")
+        set(FREERTOS_KERNEL_RP2040_BACK_PATH "../../../../..")
+    else()
+        set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "portable/ThirdParty/GCC")
+        set(FREERTOS_KERNEL_RP2040_BACK_PATH "../../../..")
+    endif()
+
+    if(PICO_PLATFORM STREQUAL "rp2040")
+        set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/RP2040")
+    else()
+        if (PICO_PLATFORM STREQUAL "rp2350-riscv")
+            set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/RP2350_RISC-V")
+        else()
+            set(FREERTOS_KERNEL_RP2040_RELATIVE_PATH "${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/RP2350_ARM_NTZ")
+        endif()
+    endif()
+
+    if (NOT FREERTOS_KERNEL_PATH)
+        # check if we are inside the FreeRTOS kernel tree (i.e. this file has been included directly)
+        get_filename_component(_ACTUAL_PATH ${CMAKE_CURRENT_LIST_DIR} REALPATH)
+        get_filename_component(_POSSIBLE_PATH ${CMAKE_CURRENT_LIST_DIR}/${FREERTOS_KERNEL_RP2040_BACK_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH} REALPATH)
+        if (_ACTUAL_PATH STREQUAL _POSSIBLE_PATH)
+            get_filename_component(FREERTOS_KERNEL_PATH ${CMAKE_CURRENT_LIST_DIR}/${FREERTOS_KERNEL_RP2040_BACK_PATH} REALPATH)
+        endif()
+        if (_ACTUAL_PATH STREQUAL _POSSIBLE_PATH)
+            get_filename_component(FREERTOS_KERNEL_PATH ${CMAKE_CURRENT_LIST_DIR}/${FREERTOS_KERNEL_RP2040_BACK_PATH} REALPATH)
+            message("Setting FREERTOS_KERNEL_PATH to ${FREERTOS_KERNEL_PATH} based on location of FreeRTOS-Kernel-import.cmake")
+            break()
+        elseif (PICO_SDK_PATH AND EXISTS "${PICO_SDK_PATH}/../FreeRTOS-Kernel")
+            set(FREERTOS_KERNEL_PATH ${PICO_SDK_PATH}/../FreeRTOS-Kernel)
+            message("Defaulting FREERTOS_KERNEL_PATH as sibling of PICO_SDK_PATH: ${FREERTOS_KERNEL_PATH}")
+            break()
+        endif()
+    endif ()
+
+    if (NOT FREERTOS_KERNEL_PATH)
+        foreach(POSSIBLE_SUFFIX Source FreeRTOS-Kernel FreeRTOS/Source)
+            # check if FreeRTOS-Kernel exists under directory that included us
+            set(SEARCH_ROOT ${CMAKE_CURRENT_SOURCE_DIR})
+            get_filename_component(_POSSIBLE_PATH ${SEARCH_ROOT}/${POSSIBLE_SUFFIX} REALPATH)
+            if (EXISTS ${_POSSIBLE_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/CMakeLists.txt)
+                get_filename_component(FREERTOS_KERNEL_PATH ${_POSSIBLE_PATH} REALPATH)
+                message("Setting FREERTOS_KERNEL_PATH to '${FREERTOS_KERNEL_PATH}' found relative to enclosing project")
+                break()
+            endif()
+        endforeach()
+        if (FREERTOS_KERNEL_PATH)
+            break()
+        endif()
+    endif()
+
+    # user must have specified
+    if (FREERTOS_KERNEL_PATH)
+        if (EXISTS "${FREERTOS_KERNEL_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}")
+            break()
+        endif()
+    endif()
+endforeach ()
+
+if (NOT FREERTOS_KERNEL_PATH)
+    message(FATAL_ERROR "FreeRTOS location was not specified. Please set FREERTOS_KERNEL_PATH.")
+endif()
+
+set(FREERTOS_KERNEL_PATH "${FREERTOS_KERNEL_PATH}" CACHE PATH "Path to the FreeRTOS Kernel")
+
+get_filename_component(FREERTOS_KERNEL_PATH "${FREERTOS_KERNEL_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
+if (NOT EXISTS ${FREERTOS_KERNEL_PATH})
+    message(FATAL_ERROR "Directory '${FREERTOS_KERNEL_PATH}' not found")
+endif()
+if (NOT EXISTS ${FREERTOS_KERNEL_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}/CMakeLists.txt)
+    message(FATAL_ERROR "Directory '${FREERTOS_KERNEL_PATH}' does not contain a '${PICO_PLATFORM}' port here: ${FREERTOS_KERNEL_RP2040_RELATIVE_PATH}")
+endif()
+set(FREERTOS_KERNEL_PATH ${FREERTOS_KERNEL_PATH} CACHE PATH "Path to the FreeRTOS_KERNEL" FORCE)
+
+add_subdirectory(${FREERTOS_KERNEL_PATH}/${FREERTOS_KERNEL_RP2040_RELATIVE_PATH} FREERTOS_KERNEL)
diff --git a/usb/cherryusb/host/host_cdc_msc_hid/CMakeLists.txt b/usb/cherryusb/host/host_cdc_msc_hid/CMakeLists.txt
new file mode 100644
index 000000000..963be9270
--- /dev/null
+++ b/usb/cherryusb/host/host_cdc_msc_hid/CMakeLists.txt
@@ -0,0 +1,23 @@
+get_filename_component(project_name ${CMAKE_CURRENT_LIST_DIR} NAME)
+
+add_executable(${project_name}
+main.c
+)
+
+target_compile_definitions(${project_name} PUBLIC -DxPortIsInsideInterrupt=portCHECK_IF_IN_ISR)
+target_include_directories(${project_name} PUBLIC
+        ${CMAKE_CURRENT_LIST_DIR} ../../config)
+
+# pull in common dependencies
+target_link_libraries(${project_name} PRIVATE
+pico_stdlib
+hardware_resets
+hardware_irq
+cherryusb_host
+pico_async_context_freertos
+FreeRTOS-Kernel-Heap4)
+# create map/bin/hex file etc.
+pico_add_extra_outputs(${project_name})
+
+# add url via pico_set_program_url
+example_auto_set_url(${project_name})
\ No newline at end of file
diff --git a/usb/cherryusb/host/host_cdc_msc_hid/FreeRTOSConfig.h b/usb/cherryusb/host/host_cdc_msc_hid/FreeRTOSConfig.h
new file mode 100755
index 000000000..831e53500
--- /dev/null
+++ b/usb/cherryusb/host/host_cdc_msc_hid/FreeRTOSConfig.h
@@ -0,0 +1,7 @@
+#ifndef FREERTOS_CONFIG_H
+#define FREERTOS_CONFIG_H
+
+// This example uses a common include to avoid repetition
+#include "FreeRTOSConfig_examples_common.h"
+
+#endif
diff --git a/usb/cherryusb/host/host_cdc_msc_hid/main.c b/usb/cherryusb/host/host_cdc_msc_hid/main.c
new file mode 100644
index 000000000..fea40dc5d
--- /dev/null
+++ b/usb/cherryusb/host/host_cdc_msc_hid/main.c
@@ -0,0 +1,23 @@
+#include "pico/stdlib.h"
+#include "pico/time.h"
+#include "usbh_core.h"
+#include <stdio.h>
+#include <string.h>
+#include "FreeRTOS.h"
+#include "task.h"
+
+#include "usb_host.c"
+
+int main(void)
+{
+    stdio_init_all();
+    printf("CherryUSB host cdc msc example\n");
+
+    usbh_initialize(0, 0); // regbase is not used
+
+    vTaskStartScheduler();
+    // Everything is interrupt driven so just loop here
+    while (1) {
+    }
+    return 0;
+}
\ No newline at end of file
diff --git a/usb/cherryusb/host/host_cdc_msc_hid/usb_config.h b/usb/cherryusb/host/host_cdc_msc_hid/usb_config.h
new file mode 100644
index 000000000..4487e9263
--- /dev/null
+++ b/usb/cherryusb/host/host_cdc_msc_hid/usb_config.h
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#ifndef CHERRYUSB_CONFIG_H
+#define CHERRYUSB_CONFIG_H
+
+#include "usb_config_examples_common.h"
+
+#endif