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92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
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/**
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* @file usbd_printer.h
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* @brief
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*
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* Copyright (c) 2022 sakumisu
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "usbd_core.h"
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#include "usbd_printer.h"
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/* Device data structure */
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struct printer_cfg_priv {
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uint8_t *device_id;
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uint8_t port_status;
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} usbd_printer_cfg;
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/**
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* @brief Handler called for Class requests not handled by the USB stack.
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*
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* @param setup Information about the request to execute.
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* @param len Size of the buffer.
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* @param data Buffer containing the request result.
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*
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* @return 0 on success, negative errno code on fail.
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*/
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static int printer_class_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
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{
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USB_LOG_DBG("Printer Class request: "
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"bRequest 0x%02x\r\n",
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setup->bRequest);
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switch (setup->bRequest) {
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case PRINTER_REQUEST_GET_DEVICE_ID:
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break;
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case PRINTER_REQUEST_GET_PORT_SATTUS:
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break;
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case PRINTER_REQUEST_SOFT_RESET:
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break;
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default:
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USB_LOG_WRN("Unhandled Printer 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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static void printer_notify_handler(uint8_t event, void *arg)
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{
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switch (event) {
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case USBD_EVENT_RESET:
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break;
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default:
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break;
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}
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}
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void usbd_printer_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
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{
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static usbd_class_t *last_class = NULL;
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if (last_class != devclass) {
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last_class = devclass;
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usbd_class_register(devclass);
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}
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intf->class_handler = printer_class_request_handler;
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intf->custom_handler = NULL;
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intf->vendor_handler = NULL;
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intf->notify_handler = printer_notify_handler;
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usbd_class_add_interface(devclass, intf);
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}
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