Fork of the USBHost library by mbed.
Dependencies: FATFileSystem mbed-rtos
Fork of USBHost by
Diff: USBHostHub/USBHostHub.h
- Revision:
- 0:a554658735bf
- Child:
- 3:0f5c32575eb8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHostHub/USBHostHub.h Wed Mar 06 16:27:14 2013 +0000 @@ -0,0 +1,128 @@ +/* Copyright (c) 2010-2012 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#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 connected + */ + 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 +