rt-thread-official/components/drivers/usb/usbhost/class/ukbd.c

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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
* 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