update(cherryusb): update framework and bugfix

* update cdc_acm device framework
* add host serial device framework
* fix dfs read write return type
* fix webusb desc len
* fix dwc2 h7rs gccfg

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

18 files changed, 1972 insertions, 30 deletions

diff --git a/components/drivers/usb/cherryusb/Kconfig b/components/drivers/usb/cherryusb/Kconfig
index ce39f3e713..98e3315107 100644
--- a/components/drivers/usb/cherryusb/Kconfig
+++ b/components/drivers/usb/cherryusb/Kconfig
@@ -123,16 +123,17 @@ if CHERRYUSB
             prompt "Enable usb mtp device, it is commercial charge"
             default n
 
-        config CHERRYUSB_DEVICE_DFU
-            bool
-            prompt "Enable usb dfu device"
-            default n
 
         config CHERRYUSB_DEVICE_ADB
             bool
             prompt "Enable usb adb device"
             default n
 
+        config CHERRYUSB_DEVICE_DFU
+            bool
+            prompt "Enable usb dfu device"
+            default n
+
         choice
             prompt "Select usb device template"
             default CHERRYUSB_DEVICE_TEMPLATE_NONE
diff --git a/components/drivers/usb/cherryusb/Kconfig.rtt b/components/drivers/usb/cherryusb/Kconfig.rtt
index 209332f5e6..2d35b4cae6 100644
--- a/components/drivers/usb/cherryusb/Kconfig.rtt
+++ b/components/drivers/usb/cherryusb/Kconfig.rtt
@@ -125,11 +125,21 @@ if RT_USING_CHERRYUSB
             prompt "Enable usb mtp device, it is commercial charge"
             default n
 
+        config RT_CHERRYUSB_DEVICE_ADB
+            bool
+            prompt "Enable usb adb device"
+            default n
+
         config RT_CHERRYUSB_DEVICE_DFU
             bool
             prompt "Enable usb dfu device"
             default n
 
+        config RT_CHERRYUSB_DEVICE_CDC_ACM_CHARDEV
+            bool
+            prompt "Enable chardev for cdc acm device"
+            default n
+
         choice
             prompt "Select usb device template"
             default RT_CHERRYUSB_DEVICE_TEMPLATE_NONE
@@ -169,6 +179,10 @@ if RT_USING_CHERRYUSB
                 bool "winusbv2_cdc"
             config RT_CHERRYUSB_DEVICE_TEMPLATE_WINUSBV2_HID
                 bool "winusbv2_hid"
+            config RT_CHERRYUSB_DEVICE_TEMPLATE_ADB
+                bool "adb"
+            config RT_CHERRYUSB_DEVICE_TEMPLATE_CDC_ACM_CHARDEV
+                bool "cdc_acm_chardev"
         endchoice
 
         config CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
diff --git a/components/drivers/usb/cherryusb/Kconfig.rttpkg b/components/drivers/usb/cherryusb/Kconfig.rttpkg
index 73d5f3b2b4..63614327dd 100644
--- a/components/drivers/usb/cherryusb/Kconfig.rttpkg
+++ b/components/drivers/usb/cherryusb/Kconfig.rttpkg
@@ -124,11 +124,21 @@ if PKG_USING_CHERRYUSB
             prompt "Enable usb mtp device, it is commercial charge"
             default n
 
+        config PKG_CHERRYUSB_DEVICE_ADB
+            bool
+            prompt "Enable usb adb device"
+            default n
+
         config PKG_CHERRYUSB_DEVICE_DFU
             bool
             prompt "Enable usb dfu device"
             default n
 
+        config PKG_CHERRYUSB_DEVICE_CDC_ACM_CHARDEV
+            bool
+            prompt "Enable chardev for cdc acm device"
+            default n
+
         choice
             prompt "Select usb device template"
             default PKG_CHERRYUSB_DEVICE_TEMPLATE_NONE
@@ -168,6 +178,10 @@ if PKG_USING_CHERRYUSB
                 bool "winusbv2_cdc"
             config PKG_CHERRYUSB_DEVICE_TEMPLATE_WINUSBV2_HID
                 bool "winusbv2_hid"
+            config PKG_CHERRYUSB_DEVICE_TEMPLATE_ADB
+                bool "adb"
+            config PKG_CHERRYUSB_DEVICE_TEMPLATE_CDC_ACM_CHARDEV
+                bool "cdc_acm_chardev"
         endchoice
 
         config CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
diff --git a/components/drivers/usb/cherryusb/SConscript b/components/drivers/usb/cherryusb/SConscript
index acbddefb4f..eba0a3e182 100644
--- a/components/drivers/usb/cherryusb/SConscript
+++ b/components/drivers/usb/cherryusb/SConscript
@@ -127,13 +127,17 @@ if GetDepend(['RT_CHERRYUSB_DEVICE']):
         src += Glob('class/cdc/usbd_cdc_ncm.c')
     if GetDepend(['RT_CHERRYUSB_DEVICE_DFU']):
         src += Glob('class/dfu/usbd_dfu.c')
+    if GetDepend(['RT_CHERRYUSB_DEVICE_ADB']):
+        src += Glob('class/adb/usbd_adb.c')
+        src += Glob('platform/rtthread/usbd_adb_shell.c')
+
+    if GetDepend(['RT_CHERRYUSB_DEVICE_CDC_ACM_CHARDEV']):
+        src += Glob('platform/rtthread/usbd_serial.c')
 
     if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_CDC_ACM']):
         src += Glob('demo/cdc_acm_template.c')
-    if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_MSC']):
+    if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_MSC']) or GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV']):
         src += Glob('demo/msc_ram_template.c')
-    if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV']):
-        src += Glob('platform/rtthread/usbd_msc_blkdev.c')
     if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_HID_MOUSE']):
         src += Glob('demo/hid_mouse_template.c')
     if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_HID_KEYBOARD']):
@@ -162,6 +166,10 @@ if GetDepend(['RT_CHERRYUSB_DEVICE']):
         src += Glob('demo/winusb2.0_cdc_template.c')
     if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_WINUSBV2_HID']):
         src += Glob('demo/winusb2.0_hid_template.c')
+    if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_ADB']):
+        src += Glob('demo/adb/usbd_adb_template.c')
+    if GetDepend(['RT_CHERRYUSB_DEVICE_TEMPLATE_CDC_ACM_CHARDEV']):
+        src += Glob('demo/cdc_acm_rttchardev_template.c')
 
 # USB HOST
 if GetDepend(['RT_CHERRYUSB_HOST']):
@@ -285,6 +293,13 @@ if GetDepend(['RT_CHERRYUSB_HOST']):
         CPPDEFINES+=['TEST_USBH_MSC=0']
         src += Glob('demo/usb_host.c')
 
+    if GetDepend(['RT_CHERRYUSB_HOST_CDC_ACM'])    \
+        or GetDepend(['RT_CHERRYUSB_HOST_FTDI'])   \
+        or GetDepend(['RT_CHERRYUSB_HOST_CH34X'])  \
+        or GetDepend(['RT_CHERRYUSB_HOST_CP210X']) \
+        or GetDepend(['RT_CHERRYUSB_HOST_PL2303']):
+        src += Glob('platform/rtthread/usbh_serial.c')
+
     if GetDepend('RT_USING_DFS') and GetDepend(['RT_CHERRYUSB_HOST_MSC']):
        src += Glob('platform/rtthread/usbh_dfs.c')
 
diff --git a/components/drivers/usb/cherryusb/class/vendor/serial/usbh_ftdi.c b/components/drivers/usb/cherryusb/class/vendor/serial/usbh_ftdi.c
index 6bc19b2045..4bc7f81b01 100644
--- a/components/drivers/usb/cherryusb/class/vendor/serial/usbh_ftdi.c
+++ b/components/drivers/usb/cherryusb/class/vendor/serial/usbh_ftdi.c
@@ -350,6 +350,7 @@ static int usbh_ftdi_connect(struct usbh_hubport *hport, uint8_t intf)
     switch (version) {
         case 0x400:
             ftdi_class->chip_type = FT232B;
+            break;
         case 0x500:
             ftdi_class->chip_type = FT2232C;
             break;
diff --git a/components/drivers/usb/cherryusb/demo/adb/cherryadb.png b/components/drivers/usb/cherryusb/demo/adb/cherryadb.png
deleted file mode 100644
index 512586b954..0000000000
--- a/components/drivers/usb/cherryusb/demo/adb/cherryadb.png
+++ /dev/null
diff --git a/components/drivers/usb/cherryusb/demo/adb/usbd_adb_template.c b/components/drivers/usb/cherryusb/demo/adb/usbd_adb_template.c
index c5a2d9ef9b..24f6d7acb5 100644
--- a/components/drivers/usb/cherryusb/demo/adb/usbd_adb_template.c
+++ b/components/drivers/usb/cherryusb/demo/adb/usbd_adb_template.c
@@ -164,7 +164,7 @@ static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
     return string_descriptors[index];
 }
 
-const struct usb_descriptor msc_bootuf2_descriptor = {
+const struct usb_descriptor adb_descriptor = {
     .device_descriptor_callback = device_descriptor_callback,
     .config_descriptor_callback = config_descriptor_callback,
     .device_quality_descriptor_callback = device_quality_descriptor_callback,
@@ -274,9 +274,16 @@ static void usbd_event_handler(uint8_t busid, uint8_t event)
 
 static struct usbd_interface intf0;
 
+#ifdef RT_USING_MSH
+extern void usbd_adb_shell_init(uint8_t in_ep, uint8_t out_ep);
+#else
 extern int shell_init(bool need_login);
+#endif
 void cherryadb_init(uint8_t busid, uint32_t reg_base)
 {
+#ifdef RT_USING_MSH
+    usbd_adb_shell_init(WINUSB_IN_EP, WINUSB_OUT_EP);
+#else
     /* default password is : 12345678 */
     /* shell_init() must be called in-task */
     if (0 != shell_init(false)) {
@@ -286,7 +293,7 @@ void cherryadb_init(uint8_t busid, uint32_t reg_base)
             ;
         }
     }
-
+#endif
 #ifdef CONFIG_USBDEV_ADVANCE_DESC
     usbd_desc_register(busid, &adb_descriptor);
 #else
@@ -297,4 +304,4 @@ void cherryadb_init(uint8_t busid, uint32_t reg_base)
 #endif
     usbd_add_interface(busid, usbd_adb_init_intf(busid, &intf0, WINUSB_IN_EP, WINUSB_OUT_EP));
     usbd_initialize(busid, reg_base, usbd_event_handler);
-}
\ No newline at end of file
+}
diff --git a/components/drivers/usb/cherryusb/demo/cdc_acm_mavlink_template.c b/components/drivers/usb/cherryusb/demo/cdc_acm_mavlink_template.c
new file mode 100644
index 0000000000..0a8bc3b66c
--- /dev/null
+++ b/components/drivers/usb/cherryusb/demo/cdc_acm_mavlink_template.c
@@ -0,0 +1,337 @@
+/*
+ * Copyright (c) 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "usbd_core.h"
+#include "usbd_cdc_acm.h"
+#include "chry_ringbuffer.h"
+#include <mavlink.h>
+
+/*!< endpoint address */
+#define CDC_IN_EP          0x81
+#define CDC_OUT_EP         0x02
+#define CDC_INT_EP         0x83
+
+#define USBD_VID           0xFFFF
+#define USBD_PID           0xFFFF
+#define USBD_MAX_POWER     100
+#define USBD_LANGID_STRING 1033
+
+/*!< config descriptor size */
+#define USB_CONFIG_SIZE    (9 + CDC_ACM_DESCRIPTOR_LEN)
+
+#ifdef CONFIG_USB_HS
+#define CDC_MAX_MPS 512
+#else
+#define CDC_MAX_MPS 64
+#endif
+
+#ifdef CONFIG_USBDEV_ADVANCE_DESC
+static const uint8_t device_descriptor[] = {
+    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01)
+};
+
+static const uint8_t config_descriptor[] = {
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02)
+};
+
+static const uint8_t device_quality_descriptor[] = {
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x00,
+    0x00,
+};
+
+static const char *string_descriptors[] = {
+    (const char[]){ 0x09, 0x04 }, /* Langid */
+    "CherryUSB",                  /* Manufacturer */
+    "CherryUSB CDC DEMO",         /* Product */
+    "2022123456",                 /* Serial Number */
+};
+
+static const uint8_t *device_descriptor_callback(uint8_t speed)
+{
+    return device_descriptor;
+}
+
+static const uint8_t *config_descriptor_callback(uint8_t speed)
+{
+    return config_descriptor;
+}
+
+static const uint8_t *device_quality_descriptor_callback(uint8_t speed)
+{
+    return device_quality_descriptor;
+}
+
+static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
+{
+    if (index > 3) {
+        return NULL;
+    }
+    return string_descriptors[index];
+}
+
+const struct usb_descriptor cdc_descriptor = {
+    .device_descriptor_callback = device_descriptor_callback,
+    .config_descriptor_callback = config_descriptor_callback,
+    .device_quality_descriptor_callback = device_quality_descriptor_callback,
+    .string_descriptor_callback = string_descriptor_callback
+};
+#else
+/*!< global descriptor */
+static const uint8_t cdc_descriptor[] = {
+    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02),
+    ///////////////////////////////////////
+    /// string0 descriptor
+    ///////////////////////////////////////
+    USB_LANGID_INIT(USBD_LANGID_STRING),
+    ///////////////////////////////////////
+    /// string1 descriptor
+    ///////////////////////////////////////
+    0x14,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ///////////////////////////////////////
+    /// string2 descriptor
+    ///////////////////////////////////////
+    0x26,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ' ', 0x00,                  /* wcChar9 */
+    'C', 0x00,                  /* wcChar10 */
+    'D', 0x00,                  /* wcChar11 */
+    'C', 0x00,                  /* wcChar12 */
+    ' ', 0x00,                  /* wcChar13 */
+    'D', 0x00,                  /* wcChar14 */
+    'E', 0x00,                  /* wcChar15 */
+    'M', 0x00,                  /* wcChar16 */
+    'O', 0x00,                  /* wcChar17 */
+    ///////////////////////////////////////
+    /// string3 descriptor
+    ///////////////////////////////////////
+    0x16,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    '2', 0x00,                  /* wcChar0 */
+    '0', 0x00,                  /* wcChar1 */
+    '2', 0x00,                  /* wcChar2 */
+    '2', 0x00,                  /* wcChar3 */
+    '1', 0x00,                  /* wcChar4 */
+    '2', 0x00,                  /* wcChar5 */
+    '3', 0x00,                  /* wcChar6 */
+    '4', 0x00,                  /* wcChar7 */
+    '5', 0x00,                  /* wcChar8 */
+    '6', 0x00,                  /* wcChar9 */
+#ifdef CONFIG_USB_HS
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x00,
+    0x00,
+#endif
+    0x00
+};
+#endif
+
+chry_ringbuffer_t usb_rx_rb;
+uint8_t usb_rx_buffer[2048];
+
+USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t temp_rx_buffer[512];
+USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t usb_tx_buffer[MAVLINK_MAX_PACKET_LEN];
+
+volatile bool ep_tx_busy_flag = false;
+
+static void usbd_event_handler(uint8_t busid, uint8_t event)
+{
+    switch (event) {
+        case USBD_EVENT_RESET:
+            break;
+        case USBD_EVENT_CONNECTED:
+            break;
+        case USBD_EVENT_DISCONNECTED:
+            break;
+        case USBD_EVENT_RESUME:
+            break;
+        case USBD_EVENT_SUSPEND:
+            break;
+        case USBD_EVENT_CONFIGURED:
+            ep_tx_busy_flag = false;
+            /* setup first out ep read transfer */
+            usbd_ep_start_read(busid, CDC_OUT_EP, temp_rx_buffer, usbd_get_ep_mps(busid, CDC_OUT_EP));
+            break;
+        case USBD_EVENT_SET_REMOTE_WAKEUP:
+            break;
+        case USBD_EVENT_CLR_REMOTE_WAKEUP:
+            break;
+
+        default:
+            break;
+    }
+}
+
+void usbd_cdc_acm_bulk_out(uint8_t busid, uint8_t ep, uint32_t nbytes)
+{
+    USB_LOG_RAW("actual out len:%d\r\n", (unsigned int)nbytes);
+
+    chry_ringbuffer_write(&usb_rx_rb, temp_rx_buffer, nbytes);
+    usbd_ep_start_read(busid, CDC_OUT_EP, temp_rx_buffer, usbd_get_ep_mps(busid, CDC_OUT_EP));
+}
+
+void usbd_cdc_acm_bulk_in(uint8_t busid, uint8_t ep, uint32_t nbytes)
+{
+    USB_LOG_RAW("actual in len:%d\r\n", (unsigned int)nbytes);
+
+    if ((nbytes % usbd_get_ep_mps(busid, ep)) == 0 && nbytes) {
+        /* send zlp */
+        usbd_ep_start_write(busid, CDC_IN_EP, NULL, 0);
+    } else {
+        ep_tx_busy_flag = false;
+    }
+}
+
+/*!< endpoint call back */
+struct usbd_endpoint cdc_out_ep = {
+    .ep_addr = CDC_OUT_EP,
+    .ep_cb = usbd_cdc_acm_bulk_out
+};
+
+struct usbd_endpoint cdc_in_ep = {
+    .ep_addr = CDC_IN_EP,
+    .ep_cb = usbd_cdc_acm_bulk_in
+};
+
+static struct usbd_interface intf0;
+static struct usbd_interface intf1;
+
+void cdc_acm_mavlink_init(uint8_t busid, uintptr_t reg_base)
+{
+    chry_ringbuffer_init(&usb_rx_rb, usb_rx_buffer, sizeof(usb_rx_buffer));
+#ifdef CONFIG_USBDEV_ADVANCE_DESC
+    usbd_desc_register(busid, &cdc_descriptor);
+#else
+    usbd_desc_register(busid, cdc_descriptor);
+#endif
+    usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &intf0));
+    usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &intf1));
+    usbd_add_endpoint(busid, &cdc_out_ep);
+    usbd_add_endpoint(busid, &cdc_in_ep);
+    usbd_initialize(busid, reg_base, usbd_event_handler);
+}
+
+void cdc_acm_mavlink_write(uint8_t *data, uint32_t len)
+{
+    if (!usb_device_is_configured(0)) {
+        return;
+    }
+    ep_tx_busy_flag = true;
+    usbd_ep_start_write(0, CDC_IN_EP, data, len);
+    while (ep_tx_busy_flag) {
+    }
+}
+
+void send_heartbeat(void)
+{
+    mavlink_message_t message;
+
+    const uint8_t system_id = 42;
+    const uint8_t base_mode = 0;
+    const uint8_t custom_mode = 0;
+    mavlink_msg_heartbeat_pack_chan(
+        system_id,
+        MAV_COMP_ID_PERIPHERAL,
+        MAVLINK_COMM_0,
+        &message,
+        MAV_TYPE_GENERIC,
+        MAV_AUTOPILOT_GENERIC,
+        base_mode,
+        custom_mode,
+        MAV_STATE_STANDBY);
+
+    const int len = mavlink_msg_to_send_buffer(usb_tx_buffer, &message);
+    cdc_acm_mavlink_write(usb_tx_buffer, len);
+}
+
+void handle_heartbeat(const mavlink_message_t *message)
+{
+    mavlink_heartbeat_t heartbeat;
+    mavlink_msg_heartbeat_decode(message, &heartbeat);
+
+    USB_LOG_RAW("Got heartbeat from ");
+    switch (heartbeat.autopilot) {
+        case MAV_AUTOPILOT_GENERIC:
+            USB_LOG_RAW("generic");
+            break;
+        case MAV_AUTOPILOT_ARDUPILOTMEGA:
+            USB_LOG_RAW("ArduPilot");
+            break;
+        case MAV_AUTOPILOT_PX4:
+            USB_LOG_RAW("PX4");
+            break;
+        default:
+            USB_LOG_RAW("other");
+            break;
+    }
+    USB_LOG_RAW(" autopilot\n");
+
+    send_heartbeat();
+}
+
+void mavlink_polling(void)
+{
+    uint8_t ch;
+    bool ret;
+    mavlink_message_t message;
+    mavlink_status_t status;
+
+    ret = chry_ringbuffer_read_byte(&usb_rx_rb, &ch);
+    if (ret) {
+        if (mavlink_parse_char(MAVLINK_COMM_0, ch, &message, &status) == 1) {
+            USB_LOG_INFO(
+                "Received message %d from %d/%d\n",
+                message.msgid, message.sysid, message.compid);
+
+            switch (message.msgid) {
+                case MAVLINK_MSG_ID_HEARTBEAT:
+                    handle_heartbeat(&message);
+                    break;
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/components/drivers/usb/cherryusb/demo/cdc_acm_rttchardev_template.c b/components/drivers/usb/cherryusb/demo/cdc_acm_rttchardev_template.c
new file mode 100644
index 0000000000..f5fec3f0ea
--- /dev/null
+++ b/components/drivers/usb/cherryusb/demo/cdc_acm_rttchardev_template.c
@@ -0,0 +1,208 @@
+/*
+ * Copyright (c) 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "usbd_core.h"
+#include "usbd_cdc_acm.h"
+
+/*!< endpoint address */
+#define CDC_IN_EP  0x81
+#define CDC_OUT_EP 0x02
+#define CDC_INT_EP 0x83
+
+#define USBD_VID           0xFFFF
+#define USBD_PID           0xFFFF
+#define USBD_MAX_POWER     100
+#define USBD_LANGID_STRING 1033
+
+/*!< config descriptor size */
+#define USB_CONFIG_SIZE (9 + CDC_ACM_DESCRIPTOR_LEN)
+
+#ifdef CONFIG_USB_HS
+#define CDC_MAX_MPS 512
+#else
+#define CDC_MAX_MPS 64
+#endif
+
+#ifdef CONFIG_USBDEV_ADVANCE_DESC
+static const uint8_t device_descriptor[] = {
+    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01)
+};
+
+static const uint8_t config_descriptor[] = {
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02)
+};
+
+static const uint8_t device_quality_descriptor[] = {
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x00,
+    0x00,
+};
+
+static const char *string_descriptors[] = {
+    (const char[]){ 0x09, 0x04 }, /* Langid */
+    "CherryUSB",                  /* Manufacturer */
+    "CherryUSB CDC DEMO",         /* Product */
+    "2022123456",                 /* Serial Number */
+};
+
+static const uint8_t *device_descriptor_callback(uint8_t speed)
+{
+    return device_descriptor;
+}
+
+static const uint8_t *config_descriptor_callback(uint8_t speed)
+{
+    return config_descriptor;
+}
+
+static const uint8_t *device_quality_descriptor_callback(uint8_t speed)
+{
+    return device_quality_descriptor;
+}
+
+static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
+{
+    if (index > 3) {
+        return NULL;
+    }
+    return string_descriptors[index];
+}
+
+const struct usb_descriptor cdc_descriptor = {
+    .device_descriptor_callback = device_descriptor_callback,
+    .config_descriptor_callback = config_descriptor_callback,
+    .device_quality_descriptor_callback = device_quality_descriptor_callback,
+    .string_descriptor_callback = string_descriptor_callback
+};
+#else
+/*!< global descriptor */
+static const uint8_t cdc_descriptor[] = {
+    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01),
+    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
+    CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02),
+    ///////////////////////////////////////
+    /// string0 descriptor
+    ///////////////////////////////////////
+    USB_LANGID_INIT(USBD_LANGID_STRING),
+    ///////////////////////////////////////
+    /// string1 descriptor
+    ///////////////////////////////////////
+    0x14,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ///////////////////////////////////////
+    /// string2 descriptor
+    ///////////////////////////////////////
+    0x26,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    'C', 0x00,                  /* wcChar0 */
+    'h', 0x00,                  /* wcChar1 */
+    'e', 0x00,                  /* wcChar2 */
+    'r', 0x00,                  /* wcChar3 */
+    'r', 0x00,                  /* wcChar4 */
+    'y', 0x00,                  /* wcChar5 */
+    'U', 0x00,                  /* wcChar6 */
+    'S', 0x00,                  /* wcChar7 */
+    'B', 0x00,                  /* wcChar8 */
+    ' ', 0x00,                  /* wcChar9 */
+    'C', 0x00,                  /* wcChar10 */
+    'D', 0x00,                  /* wcChar11 */
+    'C', 0x00,                  /* wcChar12 */
+    ' ', 0x00,                  /* wcChar13 */
+    'D', 0x00,                  /* wcChar14 */
+    'E', 0x00,                  /* wcChar15 */
+    'M', 0x00,                  /* wcChar16 */
+    'O', 0x00,                  /* wcChar17 */
+    ///////////////////////////////////////
+    /// string3 descriptor
+    ///////////////////////////////////////
+    0x16,                       /* bLength */
+    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
+    '2', 0x00,                  /* wcChar0 */
+    '0', 0x00,                  /* wcChar1 */
+    '2', 0x00,                  /* wcChar2 */
+    '2', 0x00,                  /* wcChar3 */
+    '1', 0x00,                  /* wcChar4 */
+    '2', 0x00,                  /* wcChar5 */
+    '3', 0x00,                  /* wcChar6 */
+    '4', 0x00,                  /* wcChar7 */
+    '5', 0x00,                  /* wcChar8 */
+    '6', 0x00,                  /* wcChar9 */
+#ifdef CONFIG_USB_HS
+    ///////////////////////////////////////
+    /// device qualifier descriptor
+    ///////////////////////////////////////
+    0x0a,
+    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
+    0x00,
+    0x02,
+    0x00,
+    0x00,
+    0x00,
+    0x40,
+    0x00,
+    0x00,
+#endif
+    0x00
+};
+#endif
+
+static void usbd_event_handler(uint8_t busid, uint8_t event)
+{
+    switch (event) {
+        case USBD_EVENT_RESET:
+            break;
+        case USBD_EVENT_CONNECTED:
+            break;
+        case USBD_EVENT_DISCONNECTED:
+            break;
+        case USBD_EVENT_RESUME:
+            break;
+        case USBD_EVENT_SUSPEND:
+            break;
+        case USBD_EVENT_CONFIGURED:
+
+            break;
+        case USBD_EVENT_SET_REMOTE_WAKEUP:
+            break;
+        case USBD_EVENT_CLR_REMOTE_WAKEUP:
+            break;
+
+        default:
+            break;
+    }
+}
+
+extern void usbd_cdc_acm_serial_init(uint8_t busid, uint8_t in_ep, uint8_t out_ep);
+
+void cdc_acm_chardev_init(uint8_t busid, uintptr_t reg_base)
+{
+#ifdef CONFIG_USBDEV_ADVANCE_DESC
+    usbd_desc_register(busid, &cdc_descriptor);
+#else
+    usbd_desc_register(busid, cdc_descriptor);
+#endif
+    usbd_cdc_acm_serial_init(busid, CDC_IN_EP, CDC_OUT_EP);
+    usbd_initialize(busid, reg_base, usbd_event_handler);
+}
\ No newline at end of file
diff --git a/components/drivers/usb/cherryusb/demo/webusb_hid_template.c b/components/drivers/usb/cherryusb/demo/webusb_hid_template.c
index f446391f18..1019e0541c 100644
--- a/components/drivers/usb/cherryusb/demo/webusb_hid_template.c
+++ b/components/drivers/usb/cherryusb/demo/webusb_hid_template.c
@@ -135,7 +135,7 @@ uint8_t USBD_BinaryObjectStoreDescriptor[USBD_BOS_WTOTALLENGTH] = {
 struct usb_webusb_descriptor webusb_url_desc = {
     .vendor_code = USBD_WEBUSB_VENDOR_CODE,
     .string = USBD_WebUSBURLDescriptor,
-    .string_len = USBD_WINUSB_DESC_SET_LEN
+    .string_len = URL_DESCRIPTOR_LENGTH
 };
 
 struct usb_msosv2_descriptor msosv2_desc = {
diff --git a/components/drivers/usb/cherryusb/platform/README.md b/components/drivers/usb/cherryusb/platform/README.md
index 35f0cdd795..3d7d8808f7 100644
--- a/components/drivers/usb/cherryusb/platform/README.md
+++ b/components/drivers/usb/cherryusb/platform/README.md
@@ -18,7 +18,8 @@ lwip support with usb host net class(cdc_ecm/cdc_ncm/cdc_rndis/asix/rtl8152/bl61
 - DFS support with usb host msc.
 - lwip support with usb host net class(cdc_ecm/cdc_ncm/cdc_rndis/asix/rtl8152/bl616_wifi).
 - msh support with lsusb
-
+- device char support with host cdc_acm/ftdi/ch34x/cp210x/pl2303
+- shell support with adb
 
 ## Nuttx
 
diff --git a/components/drivers/usb/cherryusb/platform/rtthread/usb_check.c b/components/drivers/usb/cherryusb/platform/rtthread/usb_check.c
index 4a598fe6c0..b37b93f115 100644
--- a/components/drivers/usb/cherryusb/platform/rtthread/usb_check.c
+++ b/components/drivers/usb/cherryusb/platform/rtthread/usb_check.c
@@ -1,3 +1,8 @@
+/*
+ * Copyright (c) 2022 ~ 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 #include "rtthread.h"
 #include "usb_config.h"
 
diff --git a/components/drivers/usb/cherryusb/platform/rtthread/usbd_adb_shell.c b/components/drivers/usb/cherryusb/platform/rtthread/usbd_adb_shell.c
new file mode 100644
index 0000000000..4ab7f59af3
--- /dev/null
+++ b/components/drivers/usb/cherryusb/platform/rtthread/usbd_adb_shell.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#include "usbd_core.h"
+#include "usbd_adb.h"
+
+#ifndef CONFIG_USBDEV_SHELL_RX_BUFSIZE
+#define CONFIG_USBDEV_SHELL_RX_BUFSIZE (2048)
+#endif
+
+struct usbd_adb_shell {
+    struct rt_device parent;
+    usb_osal_sem_t tx_done;
+    struct rt_ringbuffer rx_rb;
+    rt_uint8_t rx_rb_buffer[CONFIG_USBDEV_SHELL_RX_BUFSIZE];
+} g_usbd_adb_shell;
+
+void usbd_adb_notify_shell_read(uint8_t *data, uint32_t len)
+{
+    rt_ringbuffer_put(&g_usbd_adb_shell.rx_rb, data, len);
+
+    if (g_usbd_adb_shell.parent.rx_indicate) {
+        g_usbd_adb_shell.parent.rx_indicate(&g_usbd_adb_shell.parent, len);
+    }
+}
+
+void usbd_adb_notify_write_done(void)
+{
+    if (g_usbd_adb_shell.tx_done) {
+        usb_osal_sem_give(g_usbd_adb_shell.tx_done);
+    }
+}
+
+static rt_err_t usbd_adb_shell_open(struct rt_device *dev, rt_uint16_t oflag)
+{
+    while (!usb_device_is_configured(0)) {
+        rt_thread_mdelay(10);
+    }
+    return RT_EOK;
+}
+
+static rt_err_t usbd_adb_shell_close(struct rt_device *dev)
+{
+    if (g_usbd_adb_shell.tx_done) {
+        usb_osal_sem_give(g_usbd_adb_shell.tx_done);
+    }
+
+    return RT_EOK;
+}
+
+static rt_ssize_t usbd_adb_shell_read(struct rt_device *dev,
+                                      rt_off_t pos,
+                                      void *buffer,
+                                      rt_size_t size)
+{
+    return rt_ringbuffer_get(&g_usbd_adb_shell.rx_rb, (rt_uint8_t *)buffer, size);
+}
+
+static rt_ssize_t usbd_adb_shell_write(struct rt_device *dev,
+                                       rt_off_t pos,
+                                       const void *buffer,
+                                       rt_size_t size)
+{
+    int ret = 0;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    if (!usb_device_is_configured(0)) {
+        return size;
+    }
+
+    if (usbd_adb_can_write() && size) {
+        usb_osal_sem_reset(g_usbd_adb_shell.tx_done);
+        usbd_abd_write(ADB_SHELL_LOALID, buffer, size);
+        usb_osal_sem_take(g_usbd_adb_shell.tx_done, 0xffffffff);
+    }
+
+    return size;
+}
+
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops usbd_adb_shell_ops = {
+    NULL,
+    usbd_adb_shell_open,
+    usbd_adb_shell_close,
+    usbd_adb_shell_read,
+    usbd_adb_shell_write,
+    NULL
+};
+#endif
+
+void usbd_adb_shell_init(uint8_t in_ep, uint8_t out_ep)
+{
+    rt_err_t ret;
+    struct rt_device *device;
+
+    device = &(g_usbd_adb_shell.parent);
+
+    device->type = RT_Device_Class_Char;
+    device->rx_indicate = RT_NULL;
+    device->tx_complete = RT_NULL;
+
+#ifdef RT_USING_DEVICE_OPS
+    device->ops = &usbd_adb_shell_ops;
+#else
+    device->init = NULL;
+    device->open = usbd_adb_shell_open;
+    device->close = usbd_adb_shell_close;
+    device->read = usbd_adb_shell_read;
+    device->write = usbd_adb_shell_write;
+    device->control = NULL;
+#endif
+    device->user_data = NULL;
+
+    /* register a character device */
+    ret = rt_device_register(device, "adb-sh", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE);
+
+#ifdef RT_USING_POSIX_DEVIO
+    /* set fops */
+    device->fops = NULL;
+#endif
+
+    g_usbd_adb_shell.tx_done = usb_osal_sem_create(0);
+    rt_ringbuffer_init(&g_usbd_adb_shell.rx_rb, g_usbd_adb_shell.rx_rb_buffer, sizeof(g_usbd_adb_shell.rx_rb_buffer));
+}
+
+static int adb_enter(int argc, char **argv)
+{
+    (void)argc;
+    (void)argv;
+
+    finsh_set_device("adb-sh");
+    rt_console_set_device("adb-sh");
+
+    return 0;
+}
+MSH_CMD_EXPORT(adb_enter, adb_enter);
+
+static int adb_exit(int argc, char **argv)
+{
+    (void)argc;
+    (void)argv;
+
+    usbd_adb_close(ADB_SHELL_LOALID);
+
+    finsh_set_device(RT_CONSOLE_DEVICE_NAME);
+    rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
+
+    return 0;
+}
+MSH_CMD_EXPORT(adb_exit, adb_exit);
diff --git a/components/drivers/usb/cherryusb/platform/rtthread/usbd_serial.c b/components/drivers/usb/cherryusb/platform/rtthread/usbd_serial.c
new file mode 100644
index 0000000000..5ce622091b
--- /dev/null
+++ b/components/drivers/usb/cherryusb/platform/rtthread/usbd_serial.c
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#include "usbd_core.h"
+#include "usbd_cdc_acm.h"
+
+#define DEV_FORMAT_CDC_ACM "usb-acm%d"
+
+#ifndef CONFIG_USBDEV_MAX_CDC_ACM_CLASS
+#define CONFIG_USBDEV_MAX_CDC_ACM_CLASS (4)
+#endif
+
+#ifndef CONFIG_USBDEV_SERIAL_RX_BUFSIZE
+#define CONFIG_USBDEV_SERIAL_RX_BUFSIZE (2048)
+#endif
+
+struct usbd_serial {
+    struct rt_device parent;
+    uint8_t busid;
+    uint8_t in_ep;
+    uint8_t out_ep;
+    struct usbd_interface intf_ctrl;
+    struct usbd_interface intf_data;
+    usb_osal_sem_t tx_done;
+    uint8_t minor;
+    char name[32];
+    struct rt_ringbuffer rx_rb;
+    rt_uint8_t rx_rb_buffer[CONFIG_USBDEV_SERIAL_RX_BUFSIZE];
+};
+
+static uint32_t g_devinuse = 0;
+
+static USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_usbd_serial_cdc_acm_rx_buf[CONFIG_USBDEV_MAX_CDC_ACM_CLASS][USB_ALIGN_UP(512, CONFIG_USB_ALIGN_SIZE)];
+
+static struct usbd_serial g_usbd_serial_cdc_acm[CONFIG_USBDEV_MAX_CDC_ACM_CLASS];
+
+static struct usbd_serial *usbd_serial_alloc(void)
+{
+    uint8_t devno;
+    struct usbd_serial *serial;
+
+    for (devno = 0; devno < CONFIG_USBDEV_MAX_CDC_ACM_CLASS; devno++) {
+        if ((g_devinuse & (1U << devno)) == 0) {
+            g_devinuse |= (1U << devno);
+
+            serial = &g_usbd_serial_cdc_acm[devno];
+            memset(serial, 0, sizeof(struct usbd_serial));
+            serial->minor = devno;
+            snprintf(serial->name, CONFIG_USBHOST_DEV_NAMELEN, DEV_FORMAT_CDC_ACM, serial->minor);
+            return serial;
+        }
+    }
+    return NULL;
+}
+
+static void usbd_serial_free(struct usbd_serial *serial)
+{
+    uint8_t devno = serial->minor;
+
+    if (devno < 32) {
+        g_devinuse &= ~(1U << devno);
+    }
+    memset(serial, 0, sizeof(struct usbd_serial));
+}
+
+static rt_err_t usbd_serial_open(struct rt_device *dev, rt_uint16_t oflag)
+{
+    struct usbd_serial *serial;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbd_serial *)dev;
+
+    if (!usb_device_is_configured(serial->busid)) {
+        USB_LOG_ERR("USB device is not configured\n");
+        return -RT_EPERM;
+    }
+
+    usbd_ep_start_read(serial->busid, serial->out_ep,
+                       g_usbd_serial_cdc_acm_rx_buf[serial->minor],
+                       usbd_get_ep_mps(serial->busid, serial->out_ep));
+    return RT_EOK;
+}
+
+static rt_ssize_t usbd_serial_read(struct rt_device *dev,
+                                   rt_off_t pos,
+                                   void *buffer,
+                                   rt_size_t size)
+{
+    struct usbd_serial *serial;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbd_serial *)dev;
+
+    if (!usb_device_is_configured(serial->busid)) {
+        return -RT_EPERM;
+    }
+
+    return rt_ringbuffer_get(&serial->rx_rb, (rt_uint8_t *)buffer, size);
+}
+
+static rt_ssize_t usbd_serial_write(struct rt_device *dev,
+                                    rt_off_t pos,
+                                    const void *buffer,
+                                    rt_size_t size)
+{
+    struct usbd_serial *serial;
+    int ret = 0;
+    rt_uint8_t *align_buf;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbd_serial *)dev;
+
+    if (!usb_device_is_configured(serial->busid)) {
+        return -RT_EPERM;
+    }
+    align_buf = (rt_uint8_t *)buffer;
+
+#ifdef RT_USING_CACHE
+    if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
+        align_buf = rt_malloc_align(size, CONFIG_USB_ALIGN_SIZE);
+        if (!align_buf) {
+            USB_LOG_ERR("serial get align buf failed\n");
+            return 0;
+        }
+
+        usb_memcpy(align_buf, buffer, size);
+    }
+#endif
+    usb_osal_sem_reset(serial->tx_done);
+    usbd_ep_start_write(serial->busid, serial->in_ep, align_buf, size);
+    ret = usb_osal_sem_take(serial->tx_done, 3000);
+    if (ret < 0) {
+        USB_LOG_ERR("serial write timeout\n");
+        ret = -RT_ETIMEOUT;
+    } else {
+        ret = size;
+    }
+
+#ifdef CONFIG_USB_DCACHE_ENABLE
+    if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
+        rt_free_align(align_buf);
+    }
+#endif
+
+    return ret;
+}
+
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops usbd_serial_ops = {
+    NULL,
+    usbd_serial_open,
+    NULL,
+    usbd_serial_read,
+    usbd_serial_write,
+    NULL
+};
+#endif
+
+rt_err_t usbd_serial_register(struct usbd_serial *serial,
+                              void *data)
+{
+    rt_err_t ret;
+    struct rt_device *device;
+    RT_ASSERT(serial != RT_NULL);
+
+    device = &(serial->parent);
+
+    device->type = RT_Device_Class_Char;
+    device->rx_indicate = RT_NULL;
+    device->tx_complete = RT_NULL;
+
+#ifdef RT_USING_DEVICE_OPS
+    device->ops = &usbd_serial_ops;
+#else
+    device->init = NULL;
+    device->open = usbd_serial_open;
+    device->close = NULL;
+    device->read = usbd_serial_read;
+    device->write = usbd_serial_write;
+    device->control = NULL;
+#endif
+    device->user_data = data;
+
+    /* register a character device */
+    ret = rt_device_register(device, serial->name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE);
+
+#ifdef RT_USING_POSIX_DEVIO
+    /* set fops */
+    device->fops = NULL;
+#endif
+    rt_ringbuffer_init(&serial->rx_rb, serial->rx_rb_buffer, sizeof(serial->rx_rb_buffer));
+
+    return ret;
+}
+
+void usbd_cdc_acm_bulk_out(uint8_t busid, uint8_t ep, uint32_t nbytes)
+{
+    struct usbd_serial *serial;
+
+    for (uint8_t devno = 0; devno < CONFIG_USBDEV_MAX_CDC_ACM_CLASS; devno++) {
+        serial = &g_usbd_serial_cdc_acm[devno];
+        if (serial->out_ep == ep) {
+            rt_ringbuffer_put(&serial->rx_rb, g_usbd_serial_cdc_acm_rx_buf[serial->minor], nbytes);
+            break;
+        }
+    }
+}
+
+void usbd_cdc_acm_bulk_in(uint8_t busid, uint8_t ep, uint32_t nbytes)
+{
+    struct usbd_serial *serial;
+
+    if ((nbytes % usbd_get_ep_mps(busid, ep)) == 0 && nbytes) {
+        /* send zlp */
+        usbd_ep_start_write(busid, ep, NULL, 0);
+    } else {
+        for (uint8_t devno = 0; devno < CONFIG_USBDEV_MAX_CDC_ACM_CLASS; devno++) {
+            serial = &g_usbd_serial_cdc_acm[devno];
+            if ((serial->in_ep == ep) && serial->tx_done) {
+                usb_osal_sem_give(serial->tx_done);
+                break;
+            }
+        }
+    }
+}
+
+void usbd_cdc_acm_serial_init(uint8_t busid, uint8_t in_ep, uint8_t out_ep)
+{
+    struct usbd_serial *serial;
+
+    struct usbd_endpoint cdc_out_ep = {
+        .ep_addr = out_ep,
+        .ep_cb = usbd_cdc_acm_bulk_out
+    };
+
+    struct usbd_endpoint cdc_in_ep = {
+        .ep_addr = in_ep,
+        .ep_cb = usbd_cdc_acm_bulk_in
+    };
+
+    serial = usbd_serial_alloc();
+    if (serial == NULL) {
+        USB_LOG_ERR("No more serial device available\n");
+        return;
+    }
+
+    serial->busid = busid;
+    serial->in_ep = in_ep;
+    serial->out_ep = out_ep;
+    serial->tx_done = usb_osal_sem_create(0);
+
+    usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &serial->intf_ctrl));
+    usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &serial->intf_data));
+    usbd_add_endpoint(busid, &cdc_out_ep);
+    usbd_add_endpoint(busid, &cdc_in_ep);
+
+    if (usbd_serial_register(serial, NULL) != RT_EOK) {
+        USB_LOG_ERR("Failed to register serial device\n");
+        usbd_serial_free(serial);
+        return;
+    }
+
+    USB_LOG_INFO("USB CDC ACM Serial Device %s initialized\n", serial->name);
+}
\ No newline at end of file
diff --git a/components/drivers/usb/cherryusb/platform/rtthread/usbh_dfs.c b/components/drivers/usb/cherryusb/platform/rtthread/usbh_dfs.c
index 7cdfe1165c..1344f53926 100644
--- a/components/drivers/usb/cherryusb/platform/rtthread/usbh_dfs.c
+++ b/components/drivers/usb/cherryusb/platform/rtthread/usbh_dfs.c
@@ -30,15 +30,15 @@ static rt_err_t rt_udisk_init(rt_device_t dev)
     return RT_EOK;
 }
 
-static ssize_t rt_udisk_read(rt_device_t dev, rt_off_t pos, void *buffer,
-                             rt_size_t size)
+static rt_ssize_t rt_udisk_read(rt_device_t dev, rt_off_t pos, void *buffer,
+                                rt_size_t size)
 {
     struct usbh_msc *msc_class = (struct usbh_msc *)dev->user_data;
     int ret;
     rt_uint8_t *align_buf;
 
     align_buf = (rt_uint8_t *)buffer;
-#ifdef RT_USING_CACHE
+#ifdef CONFIG_USB_DCACHE_ENABLE
     if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
         align_buf = rt_malloc_align(size * msc_class->blocksize, CONFIG_USB_ALIGN_SIZE);
         if (!align_buf) {
@@ -53,7 +53,7 @@ static ssize_t rt_udisk_read(rt_device_t dev, rt_off_t pos, void *buffer,
         rt_kprintf("usb mass_storage read failed\n");
         return 0;
     }
-#ifdef RT_USING_CACHE
+#ifdef CONFIG_USB_DCACHE_ENABLE
     if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
         usb_memcpy(buffer, align_buf, size * msc_class->blocksize);
         rt_free_align(align_buf);
@@ -62,15 +62,15 @@ static ssize_t rt_udisk_read(rt_device_t dev, rt_off_t pos, void *buffer,
     return size;
 }
 
-static ssize_t rt_udisk_write(rt_device_t dev, rt_off_t pos, const void *buffer,
-                              rt_size_t size)
+static rt_ssize_t rt_udisk_write(rt_device_t dev, rt_off_t pos, const void *buffer,
+                                 rt_size_t size)
 {
     struct usbh_msc *msc_class = (struct usbh_msc *)dev->user_data;
     int ret;
     rt_uint8_t *align_buf;
 
     align_buf = (rt_uint8_t *)buffer;
-#ifdef RT_USING_CACHE
+#ifdef CONFIG_USB_DCACHE_ENABLE
     if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
         align_buf = rt_malloc_align(size * msc_class->blocksize, CONFIG_USB_ALIGN_SIZE);
         if (!align_buf) {
@@ -86,7 +86,7 @@ static ssize_t rt_udisk_write(rt_device_t dev, rt_off_t pos, const void *buffer,
         rt_kprintf("usb mass_storage write failed\n");
         return 0;
     }
-#ifdef RT_USING_CACHE
+#ifdef CONFIG_USB_DCACHE_ENABLE
     if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
         rt_free_align(align_buf);
     }
diff --git a/components/drivers/usb/cherryusb/platform/rtthread/usbh_serial.c b/components/drivers/usb/cherryusb/platform/rtthread/usbh_serial.c
new file mode 100644
index 0000000000..b2888ec8e6
--- /dev/null
+++ b/components/drivers/usb/cherryusb/platform/rtthread/usbh_serial.c
@@ -0,0 +1,914 @@
+/*
+ * Copyright (c) 2025, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#include "usbh_core.h"
+#include "usbh_cdc_acm.h"
+#include "usbh_ftdi.h"
+#include "usbh_cp210x.h"
+#include "usbh_ch34x.h"
+#include "usbh_pl2303.h"
+
+#define DEV_FORMAT_VENDOR  "ttyUSB%d"
+#define DEV_FORMAT_CDC_ACM "ttyACM%d"
+
+#define USBH_RX_MAX_SIZE 2048
+
+#ifndef CONFIG_USBHOST_MAX_VENDOR_SERIAL_CLASS
+#define CONFIG_USBHOST_MAX_VENDOR_SERIAL_CLASS (4)
+#endif
+
+#ifndef CONFIG_USBHOST_SERIAL_RX_BUFSIZE
+#define CONFIG_USBHOST_SERIAL_RX_BUFSIZE (USBH_RX_MAX_SIZE * 2)
+#endif
+
+enum usbh_serial_type {
+    USBH_SERIAL_TYPE_CDC_ACM = 0,
+    USBH_SERIAL_TYPE_FTDI,
+    USBH_SERIAL_TYPE_CP210X,
+    USBH_SERIAL_TYPE_CH34X,
+    USBH_SERIAL_TYPE_PL2303,
+};
+
+struct usbh_serial {
+    struct rt_device parent;
+    enum usbh_serial_type type;
+    uint8_t minor;
+    char name[CONFIG_USBHOST_DEV_NAMELEN];
+    struct rt_ringbuffer rx_rb;
+    rt_uint8_t rx_rb_buffer[CONFIG_USBHOST_SERIAL_RX_BUFSIZE];
+};
+
+static uint32_t g_devinuse_vendor = 0;
+static uint32_t g_devinuse_cdc_acm = 0;
+
+static USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_usbh_serial_vendor_rx_buf[CONFIG_USBHOST_MAX_VENDOR_SERIAL_CLASS][USB_ALIGN_UP(USBH_RX_MAX_SIZE, CONFIG_USB_ALIGN_SIZE)];
+static USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t g_usbh_serial_cdc_acm_rx_buf[CONFIG_USBHOST_MAX_CDC_ACM_CLASS][USB_ALIGN_UP(USBH_RX_MAX_SIZE, CONFIG_USB_ALIGN_SIZE)];
+
+static struct usbh_serial *usbh_serial_alloc(uint8_t type)
+{
+    uint8_t devno;
+    struct usbh_serial *serial;
+
+    for (devno = 0; devno < CONFIG_USBHOST_MAX_VENDOR_SERIAL_CLASS; devno++) {
+        if ((g_devinuse_vendor & (1U << devno)) == 0) {
+            g_devinuse_vendor |= (1U << devno);
+
+            serial = rt_malloc(sizeof(struct usbh_serial));
+            memset(serial, 0, sizeof(struct usbh_serial));
+            serial->type = type;
+            serial->minor = devno;
+            snprintf(serial->name, CONFIG_USBHOST_DEV_NAMELEN, DEV_FORMAT_VENDOR, serial->minor);
+            return serial;
+        }
+    }
+    return NULL;
+}
+
+static void usbh_serial_free(struct usbh_serial *serial)
+{
+    uint8_t devno = serial->minor;
+
+    if (devno < 32) {
+        g_devinuse_vendor &= ~(1U << devno);
+    }
+    memset(serial, 0, sizeof(struct usbh_serial));
+    rt_free(serial);
+}
+
+static struct usbh_serial *usbh_serial_cdc_acm_alloc(uint8_t type)
+{
+    uint8_t devno;
+    struct usbh_serial *serial;
+
+    for (devno = 0; devno < CONFIG_USBHOST_MAX_CDC_ACM_CLASS; devno++) {
+        if ((g_devinuse_cdc_acm & (1U << devno)) == 0) {
+            g_devinuse_cdc_acm |= (1U << devno);
+
+            serial = rt_malloc(sizeof(struct usbh_serial));
+            memset(serial, 0, sizeof(struct usbh_serial));
+            serial->type = type;
+            serial->minor = devno;
+            snprintf(serial->name, CONFIG_USBHOST_DEV_NAMELEN, DEV_FORMAT_CDC_ACM, serial->minor);
+            return serial;
+        }
+    }
+    return NULL;
+}
+
+static void usbh_serial_cdc_acm_free(struct usbh_serial *serial)
+{
+    uint8_t devno = serial->minor;
+
+    if (devno < 32) {
+        g_devinuse_cdc_acm &= ~(1U << devno);
+    }
+    memset(serial, 0, sizeof(struct usbh_serial));
+    rt_free(serial);
+}
+
+static rt_err_t usbh_serial_open(struct rt_device *dev, rt_uint16_t oflag)
+{
+    struct usbh_serial *serial;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbh_serial *)dev;
+
+    switch (serial->type) {
+        case USBH_SERIAL_TYPE_CDC_ACM:
+            break;
+        case USBH_SERIAL_TYPE_FTDI:
+            break;
+        case USBH_SERIAL_TYPE_CP210X:
+            break;
+        case USBH_SERIAL_TYPE_CH34X:
+            break;
+        case USBH_SERIAL_TYPE_PL2303:
+            break;
+
+        default:
+            break;
+    }
+
+    return RT_EOK;
+}
+
+static rt_err_t usbh_serial_close(struct rt_device *dev)
+{
+    struct usbh_serial *serial;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbh_serial *)dev;
+
+    switch (serial->type) {
+        case USBH_SERIAL_TYPE_CDC_ACM:
+            break;
+        case USBH_SERIAL_TYPE_FTDI:
+            break;
+        case USBH_SERIAL_TYPE_CP210X:
+            break;
+        case USBH_SERIAL_TYPE_CH34X:
+            break;
+        case USBH_SERIAL_TYPE_PL2303:
+            break;
+
+        default:
+            break;
+    }
+
+    return RT_EOK;
+}
+
+static rt_ssize_t usbh_serial_read(struct rt_device *dev,
+                                   rt_off_t pos,
+                                   void *buffer,
+                                   rt_size_t size)
+{
+    struct usbh_serial *serial;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbh_serial *)dev;
+
+    return rt_ringbuffer_get(&serial->rx_rb, (rt_uint8_t *)buffer, size);
+}
+
+static rt_ssize_t usbh_serial_write(struct rt_device *dev,
+                                    rt_off_t pos,
+                                    const void *buffer,
+                                    rt_size_t size)
+{
+    struct usbh_serial *serial;
+    int ret = 0;
+    rt_uint8_t *align_buf;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbh_serial *)dev;
+
+    align_buf = (rt_uint8_t *)buffer;
+#ifdef CONFIG_USB_DCACHE_ENABLE
+    if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
+        align_buf = rt_malloc_align(size, CONFIG_USB_ALIGN_SIZE);
+        if (!align_buf) {
+            USB_LOG_ERR("serial get align buf failed\n");
+            return 0;
+        }
+
+        usb_memcpy(align_buf, buffer, size);
+    }
+#endif
+
+    switch (serial->type) {
+#if defined(PKG_CHERRYUSB_HOST_CDC_ACM) || defined(RT_CHERRYUSB_HOST_CDC_ACM)
+        case USBH_SERIAL_TYPE_CDC_ACM:
+            ret = usbh_cdc_acm_bulk_out_transfer((struct usbh_cdc_acm *)dev->user_data, (uint8_t *)align_buf, size, RT_WAITING_FOREVER);
+            if (ret < 0) {
+                USB_LOG_ERR("usbh_cdc_acm_bulk_out_transfer failed: %d\n", ret);
+#ifdef CONFIG_USB_DCACHE_ENABLE
+                rt_free_align(align_buf);
+#endif
+                return 0;
+            }
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_FTDI) || defined(RT_CHERRYUSB_HOST_FTDI)
+        case USBH_SERIAL_TYPE_FTDI:
+            ret = usbh_ftdi_bulk_out_transfer((struct usbh_ftdi *)dev->user_data, (uint8_t *)align_buf, size, RT_WAITING_FOREVER);
+            if (ret < 0) {
+                USB_LOG_ERR("usbh_ftdi_bulk_out_transfer failed: %d\n", ret);
+#ifdef CONFIG_USB_DCACHE_ENABLE
+                rt_free_align(align_buf);
+#endif
+                return 0;
+            }
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_CH34X) || defined(RT_CHERRYUSB_HOST_CH34X)
+        case USBH_SERIAL_TYPE_CH34X:
+            ret = usbh_ch34x_bulk_out_transfer((struct usbh_ch34x *)dev->user_data, (uint8_t *)align_buf, size, RT_WAITING_FOREVER);
+            if (ret < 0) {
+                USB_LOG_ERR("usbh_ch34x_bulk_out_transfer failed: %d\n", ret);
+#ifdef CONFIG_USB_DCACHE_ENABLE
+                rt_free_align(align_buf);
+#endif
+                return 0;
+            }
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_PL2303) || defined(RT_CHERRYUSB_HOST_PL2303)
+        case USBH_SERIAL_TYPE_PL2303:
+            ret = usbh_pl2303_bulk_out_transfer((struct usbh_pl2303 *)dev->user_data, (uint8_t *)align_buf, size, RT_WAITING_FOREVER);
+            if (ret < 0) {
+                USB_LOG_ERR("usbh_pl2303_bulk_out_transfer failed: %d\n", ret);
+#ifdef CONFIG_USB_DCACHE_ENABLE
+                rt_free_align(align_buf);
+#endif
+                return 0;
+            }
+            break;
+#endif
+        default:
+            break;
+    }
+
+#ifdef CONFIG_USB_DCACHE_ENABLE
+    if ((uint32_t)buffer & (CONFIG_USB_ALIGN_SIZE - 1)) {
+        rt_free_align(align_buf);
+    }
+#endif
+
+    return ret;
+}
+
+static rt_err_t usbh_serial_control(struct rt_device *dev,
+                                    int cmd,
+                                    void *args)
+{
+    struct usbh_serial *serial;
+    struct serial_configure *config;
+    struct cdc_line_coding line_coding;
+    int ret = -RT_EINVAL;
+
+    RT_ASSERT(dev != RT_NULL);
+
+    serial = (struct usbh_serial *)dev;
+
+    switch (serial->type) {
+#if defined(PKG_CHERRYUSB_HOST_CDC_ACM) || defined(RT_CHERRYUSB_HOST_CDC_ACM)
+        case USBH_SERIAL_TYPE_CDC_ACM:
+            if (cmd == RT_DEVICE_CTRL_CONFIG) {
+                struct usbh_cdc_acm *cdc_acm_class;
+                cdc_acm_class = (struct usbh_cdc_acm *)dev->user_data;
+
+                config = (struct serial_configure *)args;
+
+                line_coding.dwDTERate = config->baud_rate;
+                line_coding.bDataBits = config->data_bits;
+                line_coding.bCharFormat = 0; // STOP_BITS_1
+                line_coding.bParityType = config->parity;
+
+                usbh_cdc_acm_set_line_coding(cdc_acm_class, &line_coding);
+            }
+
+            ret = RT_EOK;
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_FTDI) || defined(RT_CHERRYUSB_HOST_FTDI)
+        case USBH_SERIAL_TYPE_FTDI:
+            if (cmd == RT_DEVICE_CTRL_CONFIG) {
+                struct usbh_ftdi *ftdi_class;
+                ftdi_class = (struct usbh_ftdi *)dev->user_data;
+
+                config = (struct serial_configure *)args;
+
+                line_coding.dwDTERate = config->baud_rate;
+                line_coding.bDataBits = config->data_bits;
+                line_coding.bCharFormat = 0; // STOP_BITS_1
+                line_coding.bParityType = config->parity;
+
+                usbh_ftdi_set_line_coding(ftdi_class, &line_coding);
+            }
+
+            ret = RT_EOK;
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_CP210X) || defined(RT_CHERRYUSB_HOST_CP210X)
+        case USBH_SERIAL_TYPE_CP210X:
+            if (cmd == RT_DEVICE_CTRL_CONFIG) {
+                struct usbh_cp210x *cp210x_class;
+                cp210x_class = (struct usbh_cp210x *)dev->user_data;
+
+                config = (struct serial_configure *)args;
+
+                line_coding.dwDTERate = config->baud_rate;
+                line_coding.bDataBits = config->data_bits;
+                line_coding.bCharFormat = 0; // STOP_BITS_1
+                line_coding.bParityType = config->parity;
+
+                usbh_cp210x_set_line_coding(cp210x_class, &line_coding);
+            }
+
+            ret = RT_EOK;
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_CH34X) || defined(RT_CHERRYUSB_HOST_CH34X)
+        case USBH_SERIAL_TYPE_CH34X:
+            if (cmd == RT_DEVICE_CTRL_CONFIG) {
+                struct usbh_ch34x *ch34x_class;
+                ch34x_class = (struct usbh_ch34x *)dev->user_data;
+
+                config = (struct serial_configure *)args;
+
+                line_coding.dwDTERate = config->baud_rate;
+                line_coding.bDataBits = config->data_bits;
+                line_coding.bCharFormat = 0; // STOP_BITS_1
+                line_coding.bParityType = config->parity;
+
+                usbh_ch34x_set_line_coding(ch34x_class, &line_coding);
+            }
+
+            ret = RT_EOK;
+            break;
+#endif
+#if defined(PKG_CHERRYUSB_HOST_PL2303) || defined(RT_CHERRYUSB_HOST_PL2303)
+        case USBH_SERIAL_TYPE_PL2303:
+            if (cmd == RT_DEVICE_CTRL_CONFIG) {
+                struct usbh_pl2303 *pl2303_class;
+                pl2303_class = (struct usbh_pl2303 *)dev->user_data;
+
+                config = (struct serial_configure *)args;
+
+                line_coding.dwDTERate = config->baud_rate;
+                line_coding.bDataBits = config->data_bits;
+                line_coding.bCharFormat = 0; // STOP_BITS_1
+                line_coding.bParityType = config->parity;
+
+                usbh_pl2303_set_line_coding(pl2303_class, &line_coding);
+            }
+
+            ret = RT_EOK;
+            break;
+#endif
+        default:
+            break;
+    }
+
+    return ret;
+}
+
+#ifdef RT_USING_DEVICE_OPS
+const static struct rt_device_ops usbh_serial_ops = {
+    NULL,
+    usbh_serial_open,
+    usbh_serial_close,
+    usbh_serial_read,
+    usbh_serial_write,
+    usbh_serial_control
+};
+#endif
+
+#ifdef RT_USING_POSIX_DEVIO
+#include <unistd.h>
+#include <fcntl.h>
+#include <poll.h>
+#include <sys/ioctl.h>
+#include <dfs_file.h>
+
+#ifdef RT_USING_POSIX_TERMIOS
+#include <termios.h>
+#endif
+
+static rt_err_t usbh_serial_fops_rx_ind(rt_device_t dev, rt_size_t size)
+{
+    rt_wqueue_wakeup(&(dev->wait_queue), (void*)POLLIN);
+
+    return RT_EOK;
+}
+
+/* fops for serial */
+static int usbh_serial_fops_open(struct dfs_file *fd)
+{
+    rt_err_t ret = 0;
+    rt_uint16_t flags = 0;
+    rt_device_t device;
+
+    device = (rt_device_t)fd->vnode->data;
+    RT_ASSERT(device != RT_NULL);
+
+    switch (fd->flags & O_ACCMODE)
+    {
+    case O_RDONLY:
+        USB_LOG_DBG("fops open: O_RDONLY!");
+        flags = RT_DEVICE_FLAG_RDONLY;
+        break;
+    case O_WRONLY:
+        USB_LOG_DBG("fops open: O_WRONLY!");
+        flags = RT_DEVICE_FLAG_WRONLY;
+        break;
+    case O_RDWR:
+        USB_LOG_DBG("fops open: O_RDWR!");
+        flags = RT_DEVICE_FLAG_RDWR;
+        break;
+    default:
+        USB_LOG_ERR("fops open: unknown mode - %d!", fd->flags & O_ACCMODE);
+        break;
+    }
+
+    if ((fd->flags & O_ACCMODE) != O_WRONLY)
+        rt_device_set_rx_indicate(device, usbh_serial_fops_rx_ind);
+    ret = rt_device_open(device, flags);
+    if (ret == RT_EOK) return 0;
+
+    return ret;
+}
+
+static int usbh_serial_fops_close(struct dfs_file *fd)
+{
+    rt_device_t device;
+
+    device = (rt_device_t)fd->vnode->data;
+
+    rt_device_set_rx_indicate(device, RT_NULL);
+    rt_device_close(device);
+
+    return 0;
+}
+
+static int usbh_serial_fops_ioctl(struct dfs_file *fd, int cmd, void *args)
+{
+    rt_device_t device;
+    int flags = (int)(rt_base_t)args;
+    int mask  = O_NONBLOCK | O_APPEND;
+
+    device = (rt_device_t)fd->vnode->data;
+    switch (cmd)
+    {
+    case FIONREAD:
+        break;
+    case FIONWRITE:
+        break;
+    case F_SETFL:
+        flags &= mask;
+        fd->flags &= ~mask;
+        fd->flags |= flags;
+        break;
+    }
+
+    return rt_device_control(device, cmd, args);
+}
+
+static int usbh_serial_fops_read(struct dfs_file *fd, void *buf, size_t count)
+{
+    int size = 0;
+    rt_device_t device;
+
+    device = (rt_device_t)fd->vnode->data;
+
+    do
+    {
+        size = rt_device_read(device, -1,  buf, count);
+        if (size <= 0)
+        {
+            if (fd->flags & O_NONBLOCK)
+            {
+                size = -EAGAIN;
+                break;
+            }
+
+            rt_wqueue_wait(&(device->wait_queue), 0, RT_WAITING_FOREVER);
+        }
+    }while (size <= 0);
+
+    return size;
+}
+
+static int usbh_serial_fops_write(struct dfs_file *fd, const void *buf, size_t count)
+{
+    rt_device_t device;
+
+    device = (rt_device_t)fd->vnode->data;
+    return rt_device_write(device, -1, buf, count);
+}
+
+static int usbh_serial_fops_poll(struct dfs_file *fd, struct rt_pollreq *req)
+{
+    int mask = 0;
+    int flags = 0;
+    rt_device_t device;
+    struct usbh_serial *serial;
+
+    device = (rt_device_t)fd->vnode->data;
+    RT_ASSERT(device != RT_NULL);
+
+    serial = (struct usbh_serial *)device;
+
+    /* only support POLLIN */
+    flags = fd->flags & O_ACCMODE;
+    if (flags == O_RDONLY || flags == O_RDWR)
+    {
+        rt_base_t level;
+
+        rt_poll_add(&(device->wait_queue), req);
+
+        level = rt_hw_interrupt_disable();
+
+        if (rt_ringbuffer_data_len(&serial->rx_rb))
+            mask |= POLLIN;
+        rt_hw_interrupt_enable(level);
+    }
+    // mask|=POLLOUT;
+   return mask;
+}
+
+const static struct dfs_file_ops usbh_serial_fops =
+{
+    usbh_serial_fops_open,
+    usbh_serial_fops_close,
+    usbh_serial_fops_ioctl,
+    usbh_serial_fops_read,
+    usbh_serial_fops_write,
+    RT_NULL, /* flush */
+    RT_NULL, /* lseek */
+    RT_NULL, /* getdents */
+    usbh_serial_fops_poll,
+};
+#endif /* RT_USING_POSIX_DEVIO */
+
+rt_err_t usbh_serial_register(struct usbh_serial *serial,
+                              void *data)
+{
+    rt_err_t ret;
+    struct rt_device *device;
+    RT_ASSERT(serial != RT_NULL);
+
+    device = &(serial->parent);
+
+    device->type = RT_Device_Class_Char;
+    device->rx_indicate = RT_NULL;
+    device->tx_complete = RT_NULL;
+
+#ifdef RT_USING_DEVICE_OPS
+    device->ops = &usbh_serial_ops;
+#else
+    device->init = NULL;
+    device->open = usbh_serial_open;
+    device->close = usbh_serial_close;
+    device->read = usbh_serial_read;
+    device->write = usbh_serial_write;
+    device->control = usbh_serial_control;
+#endif
+    device->user_data = data;
+
+    /* register a character device */
+    ret = rt_device_register(device, serial->name, RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE);
+
+#ifdef RT_USING_POSIX_DEVIO
+    /* set fops */
+    device->fops = &usbh_serial_fops;
+#endif
+    rt_ringbuffer_init(&serial->rx_rb, serial->rx_rb_buffer, sizeof(serial->rx_rb_buffer));
+
+    return ret;
+}
+
+void usbh_serial_unregister(struct usbh_serial *serial)
+{
+    RT_ASSERT(serial != NULL);
+
+    rt_device_unregister(&serial->parent);
+
+    if (serial->type == USBH_SERIAL_TYPE_CDC_ACM) {
+        usbh_serial_cdc_acm_free(serial);
+    } else {
+        usbh_serial_free(serial);
+    }
+}
+
+#if defined(PKG_CHERRYUSB_HOST_CDC_ACM) || defined(RT_CHERRYUSB_HOST_CDC_ACM)
+void usbh_cdc_acm_callback(void *arg, int nbytes)
+{
+    struct usbh_cdc_acm *cdc_acm_class = (struct usbh_cdc_acm *)arg;
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &cdc_acm_class->bulkin_urb;
+
+    if (nbytes > 0) {
+        serial = (struct usbh_serial *)cdc_acm_class->user_data;
+        rt_ringbuffer_put(&serial->rx_rb, g_usbh_serial_cdc_acm_rx_buf[serial->minor], nbytes);
+
+        if (serial->parent.rx_indicate) {
+            serial->parent.rx_indicate(&serial->parent, nbytes);
+        }
+
+        usbh_bulk_urb_fill(urb, cdc_acm_class->hport, cdc_acm_class->bulkin, g_usbh_serial_cdc_acm_rx_buf[serial->minor], sizeof(g_usbh_serial_cdc_acm_rx_buf[serial->minor]), 0, usbh_cdc_acm_callback, cdc_acm_class);
+        ret = usbh_submit_urb(urb);
+        if (ret < 0) {
+            USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        }
+    }
+}
+
+void usbh_cdc_acm_run(struct usbh_cdc_acm *cdc_acm_class)
+{
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &cdc_acm_class->bulkin_urb;
+
+    serial = usbh_serial_cdc_acm_alloc(USBH_SERIAL_TYPE_CDC_ACM);
+    cdc_acm_class->user_data = serial;
+
+    usbh_serial_register(serial, cdc_acm_class);
+
+    struct cdc_line_coding linecoding;
+    linecoding.dwDTERate = 115200;
+    linecoding.bDataBits = 8;
+    linecoding.bParityType = 0;
+    linecoding.bCharFormat = 0;
+    usbh_cdc_acm_set_line_coding(cdc_acm_class, &linecoding);
+
+    usbh_bulk_urb_fill(urb, cdc_acm_class->hport, cdc_acm_class->bulkin, g_usbh_serial_cdc_acm_rx_buf[serial->minor], sizeof(g_usbh_serial_cdc_acm_rx_buf[serial->minor]), 0, usbh_cdc_acm_callback, cdc_acm_class);
+    ret = usbh_submit_urb(urb);
+    if (ret < 0) {
+        USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        usbh_serial_unregister(serial);
+        return;
+    }
+}
+
+void usbh_cdc_acm_stop(struct usbh_cdc_acm *cdc_acm_class)
+{
+    struct usbh_serial *serial;
+
+    serial = (struct usbh_serial *)cdc_acm_class->user_data;
+    usbh_serial_unregister(serial);
+}
+#endif
+
+#if defined(PKG_CHERRYUSB_HOST_FTDI) || defined(RT_CHERRYUSB_HOST_FTDI)
+void usbh_ftdi_callback(void *arg, int nbytes)
+{
+    struct usbh_ftdi *ftdi_class = (struct usbh_ftdi *)arg;
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &ftdi_class->bulkin_urb;
+
+    if (nbytes >= 2) {
+        serial = (struct usbh_serial *)ftdi_class->user_data;
+
+        nbytes -= 2; // Skip the first two bytes (header)
+        rt_ringbuffer_put(&serial->rx_rb, &g_usbh_serial_vendor_rx_buf[serial->minor][2], nbytes);
+
+        if (serial->parent.rx_indicate && nbytes) {
+            serial->parent.rx_indicate(&serial->parent, nbytes);
+        }
+
+        usbh_bulk_urb_fill(urb, ftdi_class->hport, ftdi_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_ftdi_callback, ftdi_class);
+        ret = usbh_submit_urb(urb);
+        if (ret < 0) {
+            USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        }
+    }
+}
+
+void usbh_ftdi_run(struct usbh_ftdi *ftdi_class)
+{
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &ftdi_class->bulkin_urb;
+
+    serial = usbh_serial_alloc(USBH_SERIAL_TYPE_FTDI);
+    ftdi_class->user_data = serial;
+
+    usbh_serial_register(serial, ftdi_class);
+
+    struct cdc_line_coding linecoding;
+    linecoding.dwDTERate = 115200;
+    linecoding.bDataBits = 8;
+    linecoding.bParityType = 0;
+    linecoding.bCharFormat = 0;
+    usbh_ftdi_set_line_coding(ftdi_class, &linecoding);
+
+    usbh_bulk_urb_fill(urb, ftdi_class->hport, ftdi_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_ftdi_callback, ftdi_class);
+    ret = usbh_submit_urb(urb);
+    if (ret < 0) {
+        USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        usbh_serial_unregister(serial);
+        return;
+    }
+}
+
+void usbh_ftdi_stop(struct usbh_ftdi *ftdi_class)
+{
+    struct usbh_serial *serial;
+
+    serial = (struct usbh_serial *)ftdi_class->user_data;
+    usbh_serial_unregister(serial);
+}
+#endif
+
+#if defined(PKG_CHERRYUSB_HOST_CH34X) || defined(RT_CHERRYUSB_HOST_CH34X)
+void usbh_ch34x_callback(void *arg, int nbytes)
+{
+    struct usbh_ch34x *ch34x_class = (struct usbh_ch34x *)arg;
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &ch34x_class->bulkin_urb;
+
+    if (nbytes > 0) {
+        serial = (struct usbh_serial *)ch34x_class->user_data;
+        rt_ringbuffer_put(&serial->rx_rb, g_usbh_serial_vendor_rx_buf[serial->minor], nbytes);
+
+        if (serial->parent.rx_indicate) {
+            serial->parent.rx_indicate(&serial->parent, nbytes);
+        }
+
+        usbh_bulk_urb_fill(urb, ch34x_class->hport, ch34x_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_ch34x_callback, ch34x_class);
+        ret = usbh_submit_urb(urb);
+        if (ret < 0) {
+            USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        }
+    }
+}
+
+void usbh_ch34x_run(struct usbh_ch34x *ch34x_class)
+{
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &ch34x_class->bulkin_urb;
+
+    serial = usbh_serial_alloc(USBH_SERIAL_TYPE_CH34X);
+    ch34x_class->user_data = serial;
+
+    usbh_serial_register(serial, ch34x_class);
+
+    struct cdc_line_coding linecoding;
+    linecoding.dwDTERate = 115200;
+    linecoding.bDataBits = 8;
+    linecoding.bParityType = 0;
+    linecoding.bCharFormat = 0;
+    usbh_ch34x_set_line_coding(ch34x_class, &linecoding);
+
+    usbh_bulk_urb_fill(urb, ch34x_class->hport, ch34x_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_ch34x_callback, ch34x_class);
+    ret = usbh_submit_urb(urb);
+    if (ret < 0) {
+        USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        usbh_serial_unregister(serial);
+        return;
+    }
+}
+
+void usbh_ch34x_stop(struct usbh_ch34x *ch34x_class)
+{
+    struct usbh_serial *serial;
+
+    serial = (struct usbh_serial *)ch34x_class->user_data;
+    usbh_serial_unregister(serial);
+}
+#endif
+
+#if defined(PKG_CHERRYUSB_HOST_CP210X) || defined(RT_CHERRYUSB_HOST_CP210X)
+void usbh_cp210x_callback(void *arg, int nbytes)
+{
+    struct usbh_cp210x *cp210x_class = (struct usbh_cp210x *)arg;
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &cp210x_class->bulkin_urb;
+
+    if (nbytes > 0) {
+        serial = (struct usbh_serial *)cp210x_class->user_data;
+        rt_ringbuffer_put(&serial->rx_rb, g_usbh_serial_vendor_rx_buf[serial->minor], nbytes);
+
+        if (serial->parent.rx_indicate) {
+            serial->parent.rx_indicate(&serial->parent, nbytes);
+        }
+
+        usbh_bulk_urb_fill(urb, cp210x_class->hport, cp210x_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_cp210x_callback, cp210x_class);
+        ret = usbh_submit_urb(urb);
+        if (ret < 0) {
+            USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        }
+    }
+}
+
+void usbh_cp210x_run(struct usbh_cp210x *cp210x_class)
+{
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &cp210x_class->bulkin_urb;
+
+    serial = usbh_serial_alloc(USBH_SERIAL_TYPE_CP210X);
+    cp210x_class->user_data = serial;
+
+    usbh_serial_register(serial, cp210x_class);
+
+    struct cdc_line_coding linecoding;
+    linecoding.dwDTERate = 115200;
+    linecoding.bDataBits = 8;
+    linecoding.bParityType = 0;
+    linecoding.bCharFormat = 0;
+    usbh_cp210x_set_line_coding(cp210x_class, &linecoding);
+
+    usbh_bulk_urb_fill(urb, cp210x_class->hport, cp210x_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_cp210x_callback, cp210x_class);
+    ret = usbh_submit_urb(urb);
+    if (ret < 0) {
+        USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        usbh_serial_unregister(serial);
+        return;
+    }
+}
+
+void usbh_cp210x_stop(struct usbh_cp210x *cp210x_class)
+{
+    struct usbh_serial *serial;
+
+    serial = (struct usbh_serial *)cp210x_class->user_data;
+    usbh_serial_unregister(serial);
+}
+#endif
+
+#if defined(PKG_CHERRYUSB_HOST_PL2303) || defined(RT_CHERRYUSB_HOST_PL2303)
+void usbh_pl2303_callback(void *arg, int nbytes)
+{
+    struct usbh_pl2303 *pl2303_class = (struct usbh_pl2303 *)arg;
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &pl2303_class->bulkin_urb;
+
+    if (nbytes > 0) {
+        serial = (struct usbh_serial *)pl2303_class->user_data;
+        rt_ringbuffer_put(&serial->rx_rb, g_usbh_serial_vendor_rx_buf[serial->minor], nbytes);
+
+        if (serial->parent.rx_indicate) {
+            serial->parent.rx_indicate(&serial->parent, nbytes);
+        }
+
+        usbh_bulk_urb_fill(urb, pl2303_class->hport, pl2303_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_pl2303_callback, pl2303_class);
+        ret = usbh_submit_urb(urb);
+        if (ret < 0) {
+            USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        }
+    }
+}
+
+void usbh_pl2303_run(struct usbh_pl2303 *pl2303_class)
+{
+    struct usbh_serial *serial;
+    int ret;
+    struct usbh_urb *urb = &pl2303_class->bulkin_urb;
+
+    serial = usbh_serial_alloc(USBH_SERIAL_TYPE_PL2303);
+    pl2303_class->user_data = serial;
+
+    usbh_serial_register(serial, pl2303_class);
+
+    struct cdc_line_coding linecoding;
+    linecoding.dwDTERate = 115200;
+    linecoding.bDataBits = 8;
+    linecoding.bParityType = 0;
+    linecoding.bCharFormat = 0;
+    usbh_pl2303_set_line_coding(pl2303_class, &linecoding);
+
+    usbh_bulk_urb_fill(urb, pl2303_class->hport, pl2303_class->bulkin, g_usbh_serial_vendor_rx_buf[serial->minor], sizeof(g_usbh_serial_vendor_rx_buf[serial->minor]), 0, usbh_pl2303_callback, pl2303_class);
+    ret = usbh_submit_urb(urb);
+    if (ret < 0) {
+        USB_LOG_ERR("usbh_submit_urb failed: %d\n", ret);
+        usbh_serial_unregister(serial);
+        return;
+    }
+}
+
+void usbh_pl2303_stop(struct usbh_pl2303 *pl2303_class)
+{
+    struct usbh_serial *serial;
+
+    serial = (struct usbh_serial *)pl2303_class->user_data;
+    usbh_serial_unregister(serial);
+}
+#endif
\ No newline at end of file
diff --git a/components/drivers/usb/cherryusb/port/dwc2/usb_glue_st.c b/components/drivers/usb/cherryusb/port/dwc2/usb_glue_st.c
index 9925f5e98b..ccaa743f91 100644
--- a/components/drivers/usb/cherryusb/port/dwc2/usb_glue_st.c
+++ b/components/drivers/usb/cherryusb/port/dwc2/usb_glue_st.c
@@ -178,7 +178,7 @@ uint32_t usbd_get_dwc2_gccfg_conf(uint32_t reg_base)
     usb_hsphy_init(25000000U);
     return (1 << 23); /* Enable USB HS PHY USBx->GCCFG |= USB_OTG_GCCFG_PHYHSEN;*/
 #elif __has_include("stm32h7rsxx.h")
-    return (1 << 21);
+    return ((1 << 23) | (1 << 24));
 #else
     return 0;
 #endif
@@ -205,6 +205,8 @@ uint32_t usbh_get_dwc2_gccfg_conf(uint32_t reg_base)
     USB_OTG_GLB->GCCFG = (1 << 23);
     usb_hsphy_init(25000000U);
     return (1 << 23); /* Enable USB HS PHY USBx->GCCFG |= USB_OTG_GCCFG_PHYHSEN;*/
+#elif __has_include("stm32h7rsxx.h")
+    return (1 << 25);
 #else
     return 0;
 #endif
@@ -252,4 +254,4 @@ void usb_dcache_flush(uintptr_t addr, size_t size)
 {
     SCB_CleanInvalidateDCache_by_Addr((void *)addr, size);
 }
-#endif
\ No newline at end of file
+#endif
diff --git a/components/drivers/usb/cherryusb/port/dwc2/usb_hc_dwc2.c b/components/drivers/usb/cherryusb/port/dwc2/usb_hc_dwc2.c
index 46effd5655..09fd628f0b 100644
--- a/components/drivers/usb/cherryusb/port/dwc2/usb_hc_dwc2.c
+++ b/components/drivers/usb/cherryusb/port/dwc2/usb_hc_dwc2.c
@@ -324,16 +324,11 @@ static inline void dwc2_chan_transfer(struct usbh_bus *bus, uint8_t ch_num, uint
 static void dwc2_halt(struct usbh_bus *bus, uint8_t ch_num)
 {
     volatile uint32_t ChannelEna = (USB_OTG_HC(ch_num)->HCCHAR & USB_OTG_HCCHAR_CHENA) >> 31;
-    volatile uint32_t HcEpType = (USB_OTG_HC(ch_num)->HCCHAR & USB_OTG_HCCHAR_EPTYP) >> 18;
-    volatile uint32_t SplitEna = (USB_OTG_HC(ch_num)->HCSPLT & USB_OTG_HCSPLT_SPLITEN) >> 31;
     volatile uint32_t count = 0U;
     volatile uint32_t value;
 
-    /* In buffer DMA, Channel disable must not be programmed for non-split periodic channels.
-     At the end of the next uframe/frame (in the worst case), the core generates a channel halted
-     and disables the channel automatically. */
-    if ((((USB_OTG_GLB->GAHBCFG & USB_OTG_GAHBCFG_DMAEN) == USB_OTG_GAHBCFG_DMAEN) && (SplitEna == 0U)) &&
-        ((ChannelEna == 0U) || (((HcEpType == HCCHAR_ISOC) || (HcEpType == HCCHAR_INTR))))) {
+    if (((USB_OTG_GLB->GAHBCFG & USB_OTG_GAHBCFG_DMAEN) == USB_OTG_GAHBCFG_DMAEN) &&
+        (ChannelEna == 0U)) {
         return;
     }
 
@@ -1397,4 +1392,4 @@ void USBH_IRQHandler(uint8_t busid)
             USB_OTG_GLB->GINTSTS = USB_OTG_GINTSTS_HCINT;
         }
     }
-}
\ No newline at end of file
+}