refactor(platform/rtthread): move rt_usbd_msc here

Signed-off-by: sakumisu <1203593632@qq.com>

Author: sakumisu

Kconfig.rtt

@@ -149,6 +149,16 @@ if RT_USING_CHERRYUSB
             prompt "Enable chardev for cdc acm device"
             default n
 
+        config RT_CHERRYUSB_DEVICE_MSC_BLKDEV
+            bool
+            prompt "Enable blkdev for msc device"
+            default n
+
+        config CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
+            string "usb device msc block device name"
+            depends on RT_CHERRYUSB_DEVICE_MSC_BLKDEV
+            default "sd0"
+
         config CONFIG_USBDEV_REQUEST_BUFFER_LEN
             int
             prompt "Set device control transfer max buffer size"
@@ -189,7 +199,7 @@ if RT_USING_CHERRYUSB
             config RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV
                 bool
                 prompt "msc_blkdev"
-                depends on RT_CHERRYUSB_DEVICE_MSC
+                depends on RT_CHERRYUSB_DEVICE_MSC && RT_CHERRYUSB_DEVICE_MSC_BLKDEV
             config RT_CHERRYUSB_DEVICE_TEMPLATE_HID_KEYBOARD
                 bool
                 prompt "hid_keyboard"
@@ -266,11 +276,6 @@ if RT_USING_CHERRYUSB
                 depends on RT_CHERRYUSB_DEVICE_CDC_ACM_CHARDEV
         endchoice
 
-        config CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
-            string "usb device msc block device name"
-            depends on RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV
-            default "sd0"
-
     endif
 
     menuconfig RT_CHERRYUSB_HOST

Kconfig.rttpkg

@@ -148,6 +148,16 @@ if PKG_USING_CHERRYUSB
             prompt "Enable chardev for cdc acm device"
             default n
 
+        config PKG_CHERRYUSB_DEVICE_MSC_BLKDEV
+            bool
+            prompt "Enable blkdev for msc device"
+            default n
+
+        config CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
+            string "usb device msc block device name"
+            depends on PKG_CHERRYUSB_DEVICE_MSC_BLKDEV
+            default "sd0"
+
         config CONFIG_USBDEV_REQUEST_BUFFER_LEN
             int
             prompt "Set device control transfer max buffer size"
@@ -188,7 +198,7 @@ if PKG_USING_CHERRYUSB
             config PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV
                 bool
                 prompt "msc_blkdev"
-                depends on PKG_CHERRYUSB_DEVICE_MSC
+                depends on PKG_CHERRYUSB_DEVICE_MSC && PKG_CHERRYUSB_DEVICE_MSC_BLKDEV
             config PKG_CHERRYUSB_DEVICE_TEMPLATE_HID_KEYBOARD
                 bool
                 prompt "hid_keyboard"
@@ -265,11 +275,6 @@ if PKG_USING_CHERRYUSB
                 depends on PKG_CHERRYUSB_DEVICE_CDC_ACM_CHARDEV
         endchoice
 
-        config CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
-            string "usb device msc block device name"
-            depends on PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV
-            default "sd0"
-
     endif
 
     menuconfig PKG_CHERRYUSB_HOST

SConscript

@@ -147,6 +147,9 @@ if GetDepend(['PKG_CHERRYUSB_DEVICE']):
     if GetDepend(['PKG_CHERRYUSB_DEVICE_CDC_ACM_CHARDEV']):
         src += Glob('platform/rtthread/rt_usbd_serial.c')
 
+    if GetDepend(['PKG_CHERRYUSB_DEVICE_MSC_BLKDEV']):
+        src += Glob('platform/rtthread/rt_usbd_msc.c')
+
     if GetDepend(['PKG_CHERRYUSB_DEVICE_TEMPLATE_CDC_ACM']):
         src += Glob('demo/cdc_acm_template.c')
     if GetDepend(['PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC']) or GetDepend(['PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV']):

demo/msc_ram_template.c

@@ -109,7 +109,7 @@ static void usbd_event_handler(uint8_t busid, uint8_t event)
     }
 }
 
-#if !defined(RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV) && !defined(PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV)
+#if !defined(RT_CHERRYUSB_DEVICE_MSC_BLKDEV) && !defined(PKG_CHERRYUSB_DEVICE_MSC_BLKDEV)
 #define BLOCK_SIZE  512
 #define BLOCK_COUNT 10
 
@@ -138,58 +138,19 @@ int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *
         memcpy(mass_block[sector].BlockSpace, buffer, length);
     return 0;
 }
-#else
-#include <rtthread.h>
-#include <rtdevice.h>
-
-#ifndef CONFIG_USBDEV_MSC_THREAD
-#error "Please enable CONFIG_USBDEV_MSC_THREAD, move msc read & write from isr to thread"
-#endif
-
-#ifndef CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
-#define CONFIG_USBDEV_MSC_BLOCK_DEV_NAME "sd0"
-#endif
-
-static rt_device_t blk_dev = RT_NULL;
-struct rt_device_blk_geometry geometry = { 0 };
-
-void usbd_msc_get_cap(uint8_t busid, uint8_t lun, uint32_t *block_num, uint32_t *block_size)
-{
-    rt_device_control(blk_dev, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);
-
-    *block_num = geometry.sector_count;
-    *block_size = geometry.bytes_per_sector;
-}
-
-int usbd_msc_sector_read(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
-{
-    rt_device_read(blk_dev, sector, buffer, length / geometry.bytes_per_sector);
-    return 0;
-}
-
-int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
-{
-    rt_device_write(blk_dev, sector, buffer, length / geometry.bytes_per_sector);
-    return 0;
-}
 #endif
 
 static struct usbd_interface intf0;
 
 void msc_ram_init(uint8_t busid, uintptr_t reg_base)
 {
-#if defined(RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV) || defined(PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV)
-    rt_err_t res;
-
-    blk_dev = rt_device_find(CONFIG_USBDEV_MSC_BLOCK_DEV_NAME);
-    RT_ASSERT(blk_dev);
-
-    res = rt_device_open(blk_dev, RT_DEVICE_OFLAG_RDWR);
-    RT_ASSERT(res == RT_EOK);
-#endif
     usbd_desc_register(busid, &msc_ram_descriptor);
-
+#if defined(RT_CHERRYUSB_DEVICE_MSC_BLKDEV) || defined(PKG_CHERRYUSB_DEVICE_MSC_BLKDEV)
+    extern void usbd_msc_blkdev_init(uint8_t busid, uint8_t in_ep, uint8_t out_ep);
+    usbd_msc_blkdev_init(busid, MSC_IN_EP, MSC_OUT_EP);
+#else
     usbd_add_interface(busid, usbd_msc_init_intf(busid, &intf0, MSC_OUT_EP, MSC_IN_EP));
+#endif
 
     usbd_initialize(busid, reg_base, usbd_event_handler);
 }

platform/rtthread/rt_usbd_msc.c

@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2026, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "usbd_core.h"
+#include "usbd_msc.h"
+
+#include <rtthread.h>
+#include <rtdevice.h>
+
+#ifndef CONFIG_USBDEV_MSC_THREAD
+#error "Please enable CONFIG_USBDEV_MSC_THREAD, move msc read & write from isr to thread"
+#endif
+
+#ifndef CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
+#define CONFIG_USBDEV_MSC_BLOCK_DEV_NAME "sd0"
+#endif
+
+static rt_device_t blk_dev = RT_NULL;
+static struct rt_device_blk_geometry geometry = { 0 };
+static struct usbd_interface msc_intf;
+
+void usbd_msc_get_cap(uint8_t busid, uint8_t lun, uint32_t *block_num, uint32_t *block_size)
+{
+    rt_device_control(blk_dev, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);
+
+    *block_num = geometry.sector_count;
+    *block_size = geometry.bytes_per_sector;
+}
+
+int usbd_msc_sector_read(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
+{
+    rt_device_read(blk_dev, sector, buffer, length / geometry.bytes_per_sector);
+    return 0;
+}
+
+int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
+{
+    rt_device_write(blk_dev, sector, buffer, length / geometry.bytes_per_sector);
+    return 0;
+}
+
+void usbd_msc_blkdev_init(uint8_t busid, uint8_t in_ep, uint8_t out_ep)
+{
+    rt_err_t res;
+
+    blk_dev = rt_device_find(CONFIG_USBDEV_MSC_BLOCK_DEV_NAME);
+    RT_ASSERT(blk_dev);
+
+    res = rt_device_open(blk_dev, RT_DEVICE_OFLAG_RDWR);
+    RT_ASSERT(res == RT_EOK);
+
+    usbd_add_interface(busid, usbd_msc_init_intf(busid, &msc_intf, out_ep, in_ep));
+}