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git.gir.st - tmk_keyboard.git/blob - tmk_core/tool/mbed/mbed-sdk/libraries/USBHost/USBHostHub/USBHostHub.h
1 /* mbed USBHost Library
2 * Copyright (c) 2006-2013 ARM Limited
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 #include "USBHostConf.h"
24 #include "USBHostTypes.h"
25 #include "IUSBEnumerator.h"
28 class USBDeviceConnected
;
32 * A class to use a USB Hub
34 class USBHostHub
: public IUSBEnumerator
{
42 * Check if a USB Hub is connected
44 * @return true if a serial device is connected
49 * Try to connect device
51 * @param dev device to connect
52 * @return true if connection was successful
54 bool connect ( USBDeviceConnected
* dev
);
57 * Automatically called by USBHost when a device
58 * has been enumerated by usb_thread
60 * @param dev device connected
62 void deviceConnected ( USBDeviceConnected
* dev
);
65 * Automatically called by USBHost when a device
66 * has been disconnected from this hub
68 * @param dev device disconnected
70 void deviceDisconnected ( USBDeviceConnected
* dev
);
73 * Rest a specific port
75 * @param port port number
77 void portReset ( uint8_t port
);
80 * Called by USBHost to set the instance of USBHost
82 * @param host host instance
84 void setHost ( USBHost
* host
);
87 * Called by USBhost when a hub has been disconnected
89 void hubDisconnected ();
93 virtual void setVidPid ( uint16_t vid
, uint16_t pid
);
94 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
95 virtual bool useEndpoint ( uint8_t intf_nb
, ENDPOINT_TYPE type
, ENDPOINT_DIRECTION dir
); //Must return true if the endpoint will be used
99 USBDeviceConnected
* dev
;
101 USBEndpoint
* int_in
;
103 uint8_t hub_characteristics
;
107 uint8_t buf
[ sizeof ( HubDescriptor
)];
110 bool hub_device_found
;
112 void setPortFeature ( uint32_t feature
, uint8_t port
);
113 void clearPortFeature ( uint32_t feature
, uint8_t port
);
114 uint32_t getPortStatus ( uint8_t port
);
116 USBDeviceConnected
* device_children
[ MAX_HUB_PORT
];