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/**
* @file usbd_printer.h
* @brief
*
* Copyright (c) 2022 sakumisu
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
*/
#include "usbd_core.h"
#include "usbd_printer.h"
/* Device data structure */
struct printer_cfg_priv {
uint8_t *device_id;
uint8_t port_status;
} usbd_printer_cfg;
/**
* @brief Handler called for Class requests not handled by the USB stack.
*
* @param setup Information about the request to execute.
* @param len Size of the buffer.
* @param data Buffer containing the request result.
*
* @return 0 on success, negative errno code on fail.
*/
static int printer_class_request_handler(struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
{
USB_LOG_DBG("Printer Class request: "
"bRequest 0x%02x\r\n",
setup->bRequest);
switch (setup->bRequest) {
case PRINTER_REQUEST_GET_DEVICE_ID:
break;
case PRINTER_REQUEST_GET_PORT_SATTUS:
break;
case PRINTER_REQUEST_SOFT_RESET:
break;
default:
USB_LOG_WRN("Unhandled Printer Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
}
return 0;
}
static void printer_notify_handler(uint8_t event, void *arg)
{
switch (event) {
case USBD_EVENT_RESET:
break;
default:
break;
}
}
void usbd_printer_add_interface(usbd_class_t *devclass, usbd_interface_t *intf)
{
static usbd_class_t *last_class = NULL;
if (last_class != devclass) {
last_class = devclass;
usbd_class_register(devclass);
}
intf->class_handler = printer_class_request_handler;
intf->custom_handler = NULL;
intf->vendor_handler = NULL;
intf->notify_handler = printer_notify_handler;
usbd_class_add_interface(devclass, intf);
}
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