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/*
* Copyright (c) 2022, sakumisu
*
* SPDX-License-Identifier: Apache-2.0
*/
#include "usbd_core.h"
#include "usbd_hid.h"
static int hid_class_interface_request_handler(uint8_t busid, struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
USB_LOG_DBG("HID Class request: "
"bRequest 0x%02x\r\n",
setup->bRequest);
uint8_t intf_num = LO_BYTE(setup->wIndex);
switch (setup->bRequest) {
case HID_REQUEST_GET_REPORT:
/* report id ,report type */
usbd_hid_get_report(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue), data, len);
break;
case HID_REQUEST_GET_IDLE:
(*data)[0] = usbd_hid_get_idle(busid, intf_num, LO_BYTE(setup->wValue));
*len = 1;
break;
case HID_REQUEST_GET_PROTOCOL:
(*data)[0] = usbd_hid_get_protocol(busid, intf_num);
*len = 1;
break;
case HID_REQUEST_SET_REPORT:
/* report id ,report type, report, report len */
usbd_hid_set_report(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue), *data, *len);
break;
case HID_REQUEST_SET_IDLE:
/* report id, duration */
usbd_hid_set_idle(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue));
break;
case HID_REQUEST_SET_PROTOCOL:
/* protocol */
usbd_hid_set_protocol(busid, intf_num, LO_BYTE(setup->wValue));
break;
default:
return -1;
}
return 0;
}
struct usbd_interface *usbd_hid_init_intf(uint8_t busid, struct usbd_interface *intf, const uint8_t *desc, uint32_t desc_len)
{
(void)busid;
intf->class_interface_handler = hid_class_interface_request_handler;
intf->class_endpoint_handler = NULL;
intf->vendor_handler = NULL;
intf->notify_handler = NULL;
intf->hid_report_descriptor = desc;
intf->hid_report_descriptor_len = desc_len;
return intf;
}
/*
* Appendix G: HID Request Support Requirements
*
* The following table enumerates the requests that need to be supported by various types of HID class devices.
* Device type GetReport SetReport GetIdle SetIdle GetProtocol SetProtocol
* ------------------------------------------------------------------------------------------
* Boot Mouse Required Optional Optional Optional Required Required
* Non-Boot Mouse Required Optional Optional Optional Optional Optional
* Boot Keyboard Required Optional Required Required Required Required
* Non-Boot Keybrd Required Optional Required Required Optional Optional
* Other Device Required Optional Optional Optional Optional Optional
*/
__WEAK void usbd_hid_get_report(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t report_type, uint8_t **data, uint32_t *len)
{
(void)busid;
(void)intf;
(void)report_id;
(void)report_type;
(*data[0]) = 0;
*len = 1;
}
__WEAK uint8_t usbd_hid_get_idle(uint8_t busid, uint8_t intf, uint8_t report_id)
{
(void)busid;
(void)intf;
(void)report_id;
return 0;
}
__WEAK uint8_t usbd_hid_get_protocol(uint8_t busid, uint8_t intf)
{
(void)busid;
(void)intf;
return 0;
}
__WEAK void usbd_hid_set_report(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t report_type, uint8_t *report, uint32_t report_len)
{
(void)busid;
(void)intf;
(void)report_id;
(void)report_type;
(void)report;
(void)report_len;
}
__WEAK void usbd_hid_set_idle(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t duration)
{
(void)busid;
(void)intf;
(void)report_id;
(void)duration;
}
__WEAK void usbd_hid_set_protocol(uint8_t busid, uint8_t intf, uint8_t protocol)
{
(void)busid;
(void)intf;
(void)protocol;
}
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