free-dap/platform/m484/usb/usb_hid.c
2022-07-19 21:38:18 -07:00

51 lines
1.4 KiB
C

// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2019-2022, Alex Taradov <alex@taradov.com>. All rights reserved.
/*- Includes ----------------------------------------------------------------*/
#include "usb.h"
#include "usb_std.h"
#include "usb_hid.h"
#include "usb_descriptors.h"
/*- Implementations ---------------------------------------------------------*/
//-----------------------------------------------------------------------------
void usb_hid_init(void)
{
usb_set_send_callback(USB_HID_EP_SEND, usb_hid_send_callback);
usb_set_recv_callback(USB_HID_EP_RECV, usb_hid_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);
}
//-----------------------------------------------------------------------------
bool usb_hid_handle_request(usb_request_t *request)
{
int length = request->wLength;
switch (USB_CMD_VALUE(request))
{
case USB_CMD(IN, INTERFACE, STANDARD, GET_DESCRIPTOR):
{
length = USB_LIMIT(length, sizeof(usb_hid_report_descriptor));
usb_control_send((uint8_t *)usb_hid_report_descriptor, length);
} break;
default:
return false;
}
return true;
}