RT-Thread_v4.1.1

components/drivers/usb/usbhost/class/ukbd.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2012-01-03     Yi Qiu      first version
+ */
+
+#include <rtthread.h>
+#include <drivers/usb_host.h>
+#include "hid.h"
+
+#if defined(RT_USBH_HID) && defined(RT_USBH_HID_KEYBOARD)
+
+static struct uprotocal kbd_protocal;
+
+static rt_err_t rt_usbh_hid_kbd_callback(void* arg)
+{
+    int int1, int2;
+    struct uhid* hid;
+
+    hid = (struct uhid*)arg;
+
+    int1 = *(rt_uint32_t*)hid->buffer;
+    int2 = *(rt_uint32_t*)(&hid->buffer[4]);
+
+    if(int1 != 0 || int2 != 0)
+    {
+        RT_DEBUG_LOG(RT_DEBUG_USB, ("key down 0x%x, 0x%x\n", int1, int2));
+    }
+
+    return RT_EOK;
+}
+
+static rt_err_t rt_usbh_hid_kbd_init(void* arg)
+{
+    struct uintf* intf = (struct uintf*)arg;
+
+    RT_ASSERT(intf != RT_NULL);
+
+    rt_usbh_hid_set_protocal(intf, 0);
+
+    rt_usbh_hid_set_idle(intf, 10, 0);
+
+    //RT_DEBUG_LOG(RT_DEBUG_USB, ("start usb keyboard\n"));
+
+    return RT_EOK;
+}
+
+/**
+ * This function will define the hid keyboard protocal, it will be register to the protocal list.
+ *
+ * @return the keyboard protocal structure.
+ */
+uprotocal_t rt_usbh_hid_protocal_kbd(void)
+{
+    kbd_protocal.pro_id = USB_HID_KEYBOARD;
+
+    kbd_protocal.init = rt_usbh_hid_kbd_init;
+    kbd_protocal.callback = rt_usbh_hid_kbd_callback;
+
+    return &kbd_protocal;
+}
+
+#endif
+