89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*
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* Copyright (c) 2022, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "usbd_core.h"
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#include "usbd_hid.h"
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static int hid_class_interface_request_handler(uint8_t busid, struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
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{
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USB_LOG_DBG("HID Class request: "
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"bRequest 0x%02x\r\n",
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setup->bRequest);
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uint8_t intf_num = LO_BYTE(setup->wIndex);
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switch (setup->bRequest) {
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case HID_REQUEST_GET_REPORT:
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/* report id ,report type */
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usbd_hid_get_report(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue), data, len);
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break;
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case HID_REQUEST_GET_IDLE:
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(*data)[0] = usbd_hid_get_idle(busid, intf_num, LO_BYTE(setup->wValue));
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*len = 1;
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break;
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case HID_REQUEST_GET_PROTOCOL:
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(*data)[0] = usbd_hid_get_protocol(busid, intf_num);
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*len = 1;
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break;
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case HID_REQUEST_SET_REPORT:
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/* report id ,report type, report, report len */
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usbd_hid_set_report(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue), *data, *len);
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break;
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case HID_REQUEST_SET_IDLE:
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/* report id, duration */
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usbd_hid_set_idle(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue));
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break;
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case HID_REQUEST_SET_PROTOCOL:
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/* protocol */
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usbd_hid_set_protocol(busid, intf_num, LO_BYTE(setup->wValue));
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break;
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default:
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USB_LOG_WRN("Unhandled HID Class bRequest 0x%02x\r\n", setup->bRequest);
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return -1;
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}
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return 0;
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}
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struct usbd_interface *usbd_hid_init_intf(uint8_t busid, struct usbd_interface *intf, const uint8_t *desc, uint32_t desc_len)
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{
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intf->class_interface_handler = hid_class_interface_request_handler;
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intf->class_endpoint_handler = NULL;
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intf->vendor_handler = NULL;
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intf->notify_handler = NULL;
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intf->hid_report_descriptor = desc;
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intf->hid_report_descriptor_len = desc_len;
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return intf;
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}
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__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)
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{
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(*data[0]) = 0;
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*len = 1;
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}
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__WEAK uint8_t usbd_hid_get_idle(uint8_t busid, uint8_t intf, uint8_t report_id)
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{
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return 0;
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}
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__WEAK uint8_t usbd_hid_get_protocol(uint8_t busid, uint8_t intf)
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{
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return 0;
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}
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__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)
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{
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}
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__WEAK void usbd_hid_set_idle(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t duration)
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{
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}
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__WEAK void usbd_hid_set_protocol(uint8_t busid, uint8_t intf, uint8_t protocol)
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{
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} |