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