73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
// SPDX-License-Identifier: BSD-3-Clause
|
|
// Copyright (c) 2019-2022, Alex Taradov <alex@taradov.com>. All rights reserved.
|
|
|
|
/*- Includes ----------------------------------------------------------------*/
|
|
#include <stdbool.h>
|
|
#include <stdalign.h>
|
|
#include <string.h>
|
|
#include "utils.h"
|
|
#include "usb.h"
|
|
#include "usb_std.h"
|
|
#include "usb_hid.h"
|
|
#include "usb_descriptors.h"
|
|
|
|
/*- Prototypes --------------------------------------------------------------*/
|
|
static void usb_hid_ep_send_callback(int size);
|
|
static void usb_hid_ep_recv_callback(int size);
|
|
|
|
/*- Implementations ---------------------------------------------------------*/
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void usb_hid_init(void)
|
|
{
|
|
usb_set_callback(USB_HID_EP_SEND, usb_hid_ep_send_callback);
|
|
usb_set_callback(USB_HID_EP_RECV, usb_hid_ep_recv_callback);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void usb_hid_send(uint8_t *data, int size)
|
|
{
|
|
usb_send(USB_HID_EP_SEND, data, size);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
void usb_hid_recv(uint8_t *data, int size)
|
|
{
|
|
usb_recv(USB_HID_EP_RECV, data, size);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
static void usb_hid_ep_send_callback(int size)
|
|
{
|
|
usb_hid_send_callback();
|
|
(void)size;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
static void usb_hid_ep_recv_callback(int size)
|
|
{
|
|
usb_hid_recv_callback(size);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
bool usb_hid_handle_request(usb_request_t *request)
|
|
{
|
|
int length = request->wLength;
|
|
|
|
switch ((request->bRequest << 8) | request->bmRequestType)
|
|
{
|
|
case USB_CMD(IN, INTERFACE, STANDARD, GET_DESCRIPTOR):
|
|
{
|
|
length = LIMIT(length, sizeof(usb_hid_report_descriptor));
|
|
|
|
usb_control_send((uint8_t *)usb_hid_report_descriptor, length);
|
|
} break;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|