USBAPI.h

/*
 USBAPI.h
 Copyright (c) 2005-2014 Arduino. All right reserved.

 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 __USBAPI__
#define__USBAPI__

#include<stdint.h>

namespacearduino {
//================================================================================
//================================================================================
// Low level API

typedefstruct__attribute__((packed))
{
union {
uint8_t bmRequestType;
struct {
uint8_t direction : 5;
uint8_t type : 2;
uint8_t transferDirection : 1;
 };
 };
uint8_t bRequest;
uint8_t wValueL;
uint8_t wValueH;
uint16_t wIndex;
uint16_t wLength;
} USBSetup;

}

//================================================================================
// USB APIs (C scope)
//================================================================================

intUSB_SendControl(uint8_t flags, constvoid* d, int len);
intUSB_RecvControl(void* d, int len);
intUSB_RecvControlLong(void* d, int len);

uint8_tUSB_Available(uint8_t ep);
uint8_tUSB_SendSpace(uint8_t ep);
intUSB_Send(uint8_t ep, constvoid* data, int len); // blocking
intUSB_Recv(uint8_t ep, void* data, int len); // non-blocking
intUSB_Recv(uint8_t ep); // non-blocking
voidUSB_Flush(uint8_t ep);

#endif