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/**
* @file usbh_printer.c
* @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 "usbh_core.h"
#include "usbh_printer.h"
#define DEV_FORMAT "/dev/printer"
static int usbh_printer_get_device_id(struct usbh_printer *printer_class, uint8_t *buffer)
{
struct usb_setup_packet *setup = printer_class->hport->setup;
int ret;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = PRINTER_REQUEST_GET_DEVICE_ID;
setup->wValue = 0;
setup->wIndex = printer_class->intf;
setup->wLength = 256;
return usbh_control_transfer(printer_class->hport->ep0, setup, buffer);
}
static int usbh_printer_get_port_status(struct usbh_printer *printer_class, uint8_t *buffer)
{
struct usb_setup_packet *setup = printer_class->hport->setup;
int ret;
setup->bmRequestType = USB_REQUEST_DIR_IN | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = PRINTER_REQUEST_GET_PORT_SATTUS;
setup->wValue = 0;
setup->wIndex = printer_class->intf;
setup->wLength = 1;
return usbh_control_transfer(printer_class->hport->ep0, setup, buffer);
}
static int usbh_printer_soft_reset(struct usbh_printer *printer_class)
{
struct usb_setup_packet *setup = printer_class->hport->setup;
int ret;
setup->bmRequestType = USB_REQUEST_DIR_OUT | USB_REQUEST_CLASS | USB_REQUEST_RECIPIENT_INTERFACE;
setup->bRequest = PRINTER_REQUEST_SOFT_RESET;
setup->wValue = 0;
setup->wIndex = printer_class->intf;
setup->wLength = 0;
return usbh_control_transfer(printer_class->hport->ep0, setup, NULL);
}
static int usbh_printer_connect(struct usbh_hubport *hport, uint8_t intf)
{
struct usbh_endpoint_cfg ep_cfg = { 0 };
struct usb_endpoint_descriptor *ep_desc;
int ret;
struct usbh_printer *printer_class = usb_malloc(sizeof(struct usbh_printer));
if (printer_class == NULL) {
USB_LOG_ERR("Fail to alloc printer_class\r\n");
return -ENOMEM;
}
memset(printer_class, 0, sizeof(struct usbh_printer));
printer_class->hport = hport;
printer_class->intf = intf;
hport->config.intf[intf].priv = printer_class;
for (uint8_t i = 0; i < hport->config.intf[intf + 1].intf_desc.bNumEndpoints; i++) {
ep_desc = &hport->config.intf[intf + 1].ep[i].ep_desc;
ep_cfg.ep_addr = ep_desc->bEndpointAddress;
ep_cfg.ep_type = ep_desc->bmAttributes & USB_ENDPOINT_TYPE_MASK;
ep_cfg.ep_mps = ep_desc->wMaxPacketSize;
ep_cfg.ep_interval = ep_desc->bInterval;
ep_cfg.hport = hport;
if (ep_desc->bEndpointAddress & 0x80) {
usbh_ep_alloc(&printer_class->bulkin, &ep_cfg);
} else {
usbh_ep_alloc(&printer_class->bulkout, &ep_cfg);
}
}
// uint8_t *device_id = usb_iomalloc(256);
// ret = usbh_printer_get_device_id(printer_class, device_id);
strncpy(hport->config.intf[intf].devname, DEV_FORMAT, CONFIG_USBHOST_DEV_NAMELEN);
USB_LOG_INFO("Register Printer Class:%s\r\n", hport->config.intf[intf].devname);
return ret;
}
static int usbh_printer_disconnect(struct usbh_hubport *hport, uint8_t intf)
{
int ret = 0;
struct usbh_printer *printer_class = (struct usbh_printer *)hport->config.intf[intf].priv;
if (printer_class) {
if (printer_class->bulkin) {
ret = usb_ep_cancel(printer_class->bulkin);
if (ret < 0) {
}
usbh_ep_free(printer_class->bulkin);
}
if (printer_class->bulkout) {
ret = usb_ep_cancel(printer_class->bulkout);
if (ret < 0) {
}
usbh_ep_free(printer_class->bulkout);
}
usb_free(printer_class);
if (hport->config.intf[intf].devname[0] != '\0')
USB_LOG_INFO("Unregister Printer Class:%s\r\n", hport->config.intf[intf].devname);
memset(hport->config.intf[intf].devname, 0, CONFIG_USBHOST_DEV_NAMELEN);
hport->config.intf[intf].priv = NULL;
}
return ret;
}
static const struct usbh_class_driver printer_class_driver = {
.driver_name = "printer",
.connect = usbh_printer_connect,
.disconnect = usbh_printer_disconnect
};
CLASS_INFO_DEFINE const struct usbh_class_info printer_class_info = {
.match_flags = USB_CLASS_MATCH_INTF_CLASS | USB_CLASS_MATCH_INTF_SUBCLASS | USB_CLASS_MATCH_INTF_PROTOCOL,
.class = USB_DEVICE_CLASS_PRINTER,
.subclass = PRINTER_SUBCLASS,
.protocol = 0x00,
.vid = 0x00,
.pid = 0x00,
.class_driver = &printer_class_driver
};
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