126 lines
2.9 KiB
C
126 lines
2.9 KiB
C
|
/* mbed USBHost Library
|
||
|
|
* Copyright (c) 2006-2013 ARM Limited
|
||
|
|
*
|
||
|
|
* Licensed 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef USBHOSTHUB_H
|
||
|
|
#define USBHOSTHUB_H
|
||
|
|
|
||
|
|
#include "USBHostConf.h"
|
||
|
|
|
||
|
|
#if MAX_HUB_NB
|
||
|
|
|
||
|
|
#include "USBHostTypes.h"
|
||
|
|
#include "IUSBEnumerator.h"
|
||
|
|
|
||
|
|
class USBHost;
|
||
|
|
class USBDeviceConnected;
|
||
|
|
class USBEndpoint;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A class to use a USB Hub
|
||
|
|
*/
|
||
|
|
class USBHostHub : public IUSBEnumerator {
|
||
|
|
public:
|
||
|
|
/**
|
||
|
|
* Constructor
|
||
|
|
*/
|
||
|
|
USBHostHub();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if a USB Hub is connected
|
||
|
|
*
|
||
|
|
* @return true if a serial device is connected
|
||
|
|
*/
|
||
|
|
bool connected();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Try to connect device
|
||
|
|
*
|
||
|
|
* @param dev device to connect
|
||
|
|
* @return true if connection was successful
|
||
|
|
*/
|
||
|
|
bool connect(USBDeviceConnected * dev);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Automatically called by USBHost when a device
|
||
|
|
* has been enumerated by usb_thread
|
||
|
|
*
|
||
|
|
* @param dev device connected
|
||
|
|
*/
|
||
|
|
void deviceConnected(USBDeviceConnected * dev);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Automatically called by USBHost when a device
|
||
|
|
* has been disconnected from this hub
|
||
|
|
*
|
||
|
|
* @param dev device disconnected
|
||
|
|
*/
|
||
|
|
void deviceDisconnected(USBDeviceConnected * dev);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Rest a specific port
|
||
|
|
*
|
||
|
|
* @param port port number
|
||
|
|
*/
|
||
|
|
void portReset(uint8_t port);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Called by USBHost to set the instance of USBHost
|
||
|
|
*
|
||
|
|
* @param host host instance
|
||
|
|
*/
|
||
|
|
void setHost(USBHost * host);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Called by USBhost when a hub has been disconnected
|
||
|
|
*/
|
||
|
|
void hubDisconnected();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
//From IUSBEnumerator
|
||
|
|
virtual void setVidPid(uint16_t vid, uint16_t pid);
|
||
|
|
virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
|
||
|
|
virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
|
||
|
|
|
||
|
|
private:
|
||
|
|
USBHost * host;
|
||
|
|
USBDeviceConnected * dev;
|
||
|
|
bool dev_connected;
|
||
|
|
USBEndpoint * int_in;
|
||
|
|
uint8_t nb_port;
|
||
|
|
uint8_t hub_characteristics;
|
||
|
|
|
||
|
|
void rxHandler();
|
||
|
|
|
||
|
|
uint8_t buf[sizeof(HubDescriptor)];
|
||
|
|
|
||
|
|
int hub_intf;
|
||
|
|
bool hub_device_found;
|
||
|
|
|
||
|
|
void setPortFeature(uint32_t feature, uint8_t port);
|
||
|
|
void clearPortFeature(uint32_t feature, uint8_t port);
|
||
|
|
uint32_t getPortStatus(uint8_t port);
|
||
|
|
|
||
|
|
USBDeviceConnected * device_children[MAX_HUB_PORT];
|
||
|
|
|
||
|
|
void init();
|
||
|
|
void disconnect();
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|