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

94 lines
2.0 KiB
C

/*
* Copyright (c) 2006-2023, 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)
#define DBG_TAG "usbhost.ukbd"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
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)
{
LOG_D("key down 0x%x, 0x%x", int1, int2);
}
return RT_EOK;
}
static rt_thread_t kbd_thread;
static void kbd_task(void* param)
{
struct uhintf* intf = (struct uhintf*)param;
while (1)
{
if (rt_usb_hcd_pipe_xfer(intf->device->hcd, ((struct uhid*)intf->user_data)->pipe_in,
((struct uhid*)intf->user_data)->buffer, ((struct uhid*)intf->user_data)->pipe_in->ep.wMaxPacketSize,
USB_TIMEOUT_BASIC) == 0)
{
break;
}
rt_usbh_hid_kbd_callback(intf->user_data);
}
}
static rt_err_t rt_usbh_hid_kbd_init(void* arg)
{
struct uhintf* intf = (struct uhintf*)arg;
RT_ASSERT(intf != RT_NULL);
rt_usbh_hid_set_protocal(intf, 0);
rt_usbh_hid_set_idle(intf, 10, 0);
LOG_D("start usb keyboard");
kbd_thread = rt_thread_create("kbd0", kbd_task, intf, 1024, 8, 100);
rt_thread_startup(kbd_thread);
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