1 files changed, 156 insertions, 0 deletions
diff --git a/platform/rtthread/usbd_adb_shell.c b/platform/rtthread/usbd_adb_shell.c
new file mode 100644
index 00000000..4ab7f59a
--- /dev/null
+++ b/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);