129 lines
4.0 KiB
C
129 lines
4.0 KiB
C
/**
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* @file usbh_core.h
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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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#ifndef _USBH_CORE_H
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#define _USBH_CORE_H
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#include "usb_util.h"
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#include "usb_def.h"
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#include "usb_hc.h"
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#include "usb_osal.h"
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#include "usb_workq.h"
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#include "usbh_hub.h"
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#include "usb_config.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define USBH_ROOT_HUB_INDEX 1 /* roothub index*/
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#define USBH_EX_HUB_INDEX 2 /* external hub index */
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#define USBH_HUB_PORT_START_INDEX 1 /* first hub port index */
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#ifdef CONFIG_USBHOST_HUB
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#define ROOTHUB(hport) ((hport)->parent == NULL)
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#else
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#define ROOTHUB(hport) true
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#endif
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#define CLASS_CONNECT(hport,i) ((hport)->config.intf[i].class_driver->connect(hport, i))
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#define CLASS_DISCONNECT(hport,i) ((hport)->config.intf[i].class_driver->disconnect(hport, i))
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enum usbh_event_type {
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USBH_EVENT_ATTACHED,
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USBH_EVENT_REMOVED,
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};
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struct usbh_class_info {
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uint8_t class; /* Base device class code */
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uint8_t subclass; /* Sub-class, depends on base class. Eg. */
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uint8_t protocol; /* Protocol, depends on base class. Eg. */
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uint16_t vid; /* Vendor ID (for vendor/product specific devices) */
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uint16_t pid; /* Product ID (for vendor/product specific devices) */
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const struct usbh_class_driver *class_driver;
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};
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struct usbh_hubport;
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struct usbh_class_driver {
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const char *driver_name;
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int (*connect)(struct usbh_hubport *hport, uint8_t intf);
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int (*disconnect)(struct usbh_hubport *hport, uint8_t intf);
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};
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typedef struct usbh_endpoint {
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struct usb_endpoint_descriptor ep_desc;
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} usbh_endpoint_t;
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typedef struct usbh_interface {
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struct usb_interface_descriptor intf_desc;
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struct usbh_endpoint ep[CONFIG_USBHOST_EP_NUM];
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struct usbh_class_driver *class_driver;
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void *priv;
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} usbh_interface_t;
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typedef struct usbh_configuration {
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struct usb_configuration_descriptor config_desc;
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struct usbh_interface intf[CONFIG_USBHOST_INTF_NUM];
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} usbh_configuration_t;
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typedef struct usbh_hubport {
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bool connected; /* True: device connected; false: disconnected */
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bool port_change; /* True: port changed; false: port do not change */
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uint8_t port; /* Hub port index */
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uint8_t dev_addr; /* device address */
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uint8_t speed; /* device speed */
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usbh_epinfo_t ep0; /* control ep info */
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struct usb_device_descriptor device_desc;
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struct usbh_configuration config;
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#if 0
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uint8_t* config_desc;
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#endif
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struct usbh_hub *parent; /*if NULL, is roothub*/
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} usbh_hubport_t;
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typedef struct usbh_hub {
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usb_slist_t list;
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uint8_t index; /* Hub index */
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uint8_t nports; /* Hub port number */
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uint8_t dev_addr; /* Hub device address */
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usbh_epinfo_t intin;
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uint8_t *int_buffer;
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struct usb_setup_packet *setup;
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struct hub_port_status *port_status;
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struct usb_hub_descriptor hub_desc;
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struct usbh_hubport child[CONFIG_USBHOST_EHPORTS];
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struct usbh_hubport *parent; /* Parent hub port */
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struct usb_work work;
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} usbh_hub_t;
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void usbh_event_notify_handler(uint8_t event, uint8_t rhport);
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int usbh_initialize(void);
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int lsusb(int argc, char **argv);
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struct usbh_hubport *usbh_get_hubport(uint8_t dev_addr);
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void *usbh_get_class(uint8_t dev_addr, uint8_t intf);
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#ifdef __cplusplus
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}
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#endif
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#endif
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