import RT-Thread@9217865c without bsp, libcpu and components/net

components/drivers/usb/usbhost/core/usbhost.c

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2011-12-12     Yi Qiu      first version
+ * 2021-02-23     Leslie Lee  provide possibility for multi usb host
+ */
+#include <rtthread.h>
+#include <drivers/usb_host.h>
+
+#define USB_HOST_CONTROLLER_NAME      "usbh"
+
+#if defined(RT_USBH_HID_KEYBOARD) || defined(RT_USBH_HID_MOUSE)
+#include <hid.h>
+#endif
+
+/**
+ * This function will initialize the usb host stack, all the usb class driver and
+ * host controller driver are also be initialized here.
+ *
+ * @return none.
+ */
+rt_err_t rt_usb_host_init(const char *name)
+{
+    ucd_t drv;
+    rt_device_t uhc;
+
+    uhc = rt_device_find(name);
+    if(uhc == RT_NULL)
+    {
+        rt_kprintf("can't find usb host controller %s\n", name);
+        return -RT_ERROR;
+    }
+
+    /* initialize usb hub */
+    rt_usbh_hub_init((uhcd_t)uhc);
+
+    /* initialize class driver */
+    rt_usbh_class_driver_init();
+
+#ifdef RT_USBH_MSTORAGE
+    /* register mass storage class driver */
+    drv = rt_usbh_class_driver_storage();
+    rt_usbh_class_driver_register(drv);
+#endif
+#ifdef RT_USBH_HID
+    extern ucd_t rt_usbh_class_driver_hid(void);
+    /* register mass storage class driver */
+    drv = rt_usbh_class_driver_hid();
+    rt_usbh_class_driver_register(drv);
+#ifdef RT_USBH_HID_MOUSE
+    {
+        extern uprotocal_t rt_usbh_hid_protocal_mouse(void);
+        rt_usbh_hid_protocal_register(rt_usbh_hid_protocal_mouse());
+    }
+#endif
+#ifdef RT_USBH_HID_KEYBOARD
+    {
+        extern uprotocal_t rt_usbh_hid_protocal_kbd(void);
+        rt_usbh_hid_protocal_register(rt_usbh_hid_protocal_kbd());
+    }
+#endif
+#endif
+
+    /* register hub class driver */
+    drv = rt_usbh_class_driver_hub();
+    rt_usbh_class_driver_register(drv);
+
+    /* initialize usb host controller */
+    rt_device_init(uhc);
+
+    return RT_EOK;
+}