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- /* 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
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