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/*
PluggableUSB.h
Copyright (c) 2015 Arduino LLC
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PUSB_h
#define PUSB_h
#include "USBAPI.h"
#include <stdint.h>
#if defined(USBCON)
class PluggableUSBModule {
public:
PluggableUSBModule(uint8_t numEps, uint8_t numIfs, uint8_t *epType) :
numEndpoints(numEps), numInterfaces(numIfs), endpointType(epType)
{ }
protected:
virtual bool setup(USBSetup& setup) = 0;
virtual int getInterface(uint8_t* interfaceCount) = 0;
virtual int getDescriptor(USBSetup& setup) = 0;
virtual uint8_t getShortName(char *name) { name[0] = 'A'+pluggedInterface; return 1; }
uint8_t pluggedInterface;
uint8_t pluggedEndpoint;
const uint8_t numEndpoints;
const uint8_t numInterfaces;
const uint8_t *endpointType;
PluggableUSBModule *next = NULL;
friend class PluggableUSB_;
};
class PluggableUSB_ {
public:
PluggableUSB_();
bool plug(PluggableUSBModule *node);
int getInterface(uint8_t* interfaceCount);
int getDescriptor(USBSetup& setup);
bool setup(USBSetup& setup);
void getShortName(char *iSerialNum);
private:
uint8_t lastIf;
uint8_t lastEp;
PluggableUSBModule* rootNode;
};
// Replacement for global singleton.
// This function prevents static-initialization-order-fiasco
// https://isocpp.org/wiki/faq/ctors#static-init-order-on-first-use
PluggableUSB_& PluggableUSB();
#endif
#endif
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