1 files changed, 189 insertions, 0 deletions
diff --git a/cores/xinput/USBAPI.h b/cores/xinput/USBAPI.h
new file mode 100644
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--- /dev/null
+++ b/cores/xinput/USBAPI.h
@@ -0,0 +1,189 @@
+/*
+  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 <inttypes.h>
+#include <avr/pgmspace.h>
+#include <avr/eeprom.h>
+#include <avr/interrupt.h>
+#include <util/delay.h>
+
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+
+#include "Arduino.h"
+
+// This definitions is useful if you want to reduce the EP_SIZE to 16
+// at the moment only 64 and 16 as EP_SIZE for all EPs are supported except the control endpoint
+#ifndef USB_EP_SIZE
+#define USB_EP_SIZE 64
+#endif
+
+#if defined(USBCON)
+
+#include "USBDesc.h"
+#include "USBCore.h"
+#include "xinput/USB_XInput_Descriptors.h"
+
+//================================================================================
+//================================================================================
+//	USB
+
+#define EP_TYPE_CONTROL				(0x00)
+#define EP_TYPE_BULK_IN				((1<<EPTYPE1) | (1<<EPDIR))
+#define EP_TYPE_BULK_OUT			(1<<EPTYPE1)
+#define EP_TYPE_INTERRUPT_IN		((1<<EPTYPE1) | (1<<EPTYPE0) | (1<<EPDIR))
+#define EP_TYPE_INTERRUPT_OUT		((1<<EPTYPE1) | (1<<EPTYPE0))
+#define EP_TYPE_ISOCHRONOUS_IN		((1<<EPTYPE0) | (1<<EPDIR))
+#define EP_TYPE_ISOCHRONOUS_OUT		(1<<EPTYPE0)
+
+class USBDevice_
+{
+public:
+	USBDevice_();
+	bool configured();
+
+	void attach();
+	void detach();	// Serial port goes down too...
+	void poll();
+	bool wakeupHost(); // returns false, when wakeup cannot be processed
+
+	bool isSuspended();
+};
+extern USBDevice_ USBDevice;
+
+//================================================================================
+//================================================================================
+//	Serial over CDC (Serial1 is the physical port)
+
+struct ring_buffer;
+
+#ifndef SERIAL_BUFFER_SIZE
+#if ((RAMEND - RAMSTART) < 1023)
+#define SERIAL_BUFFER_SIZE 16
+#else
+#define SERIAL_BUFFER_SIZE 64
+#endif
+#endif
+#if (SERIAL_BUFFER_SIZE>256)
+#error Please lower the CDC Buffer size
+#endif
+
+class Serial_ : public Stream
+{
+public:
+	Serial_() {};
+	void begin(unsigned long) {}
+	void begin(unsigned long, uint8_t) {}
+	void end(void) {}
+
+	virtual int available(void) { return -1; }
+	virtual int peek(void) { return -1; }
+	virtual int read(void) { return -1; }
+	virtual int availableForWrite(void) { return 0; }
+	virtual void flush(void) {}
+	virtual size_t write(uint8_t) { return 1; }
+	virtual size_t write(const uint8_t*, size_t n) { return n; }
+	using Print::write; // pull in write(str) and write(buf, size) from Print
+	operator bool() { return true; }
+
+	// This method allows processing "SEND_BREAK" requests sent by
+	// the USB host. Those requests indicate that the host wants to
+	// send a BREAK signal and are accompanied by a single uint16_t
+	// value, specifying the duration of the break. The value 0
+	// means to end any current break, while the value 0xffff means
+	// to start an indefinite break.
+	// readBreak() will return the value of the most recent break
+	// request, but will return it at most once, returning -1 when
+	// readBreak() is called again (until another break request is
+	// received, which is again returned once).
+	// This also mean that if two break requests are received
+	// without readBreak() being called in between, the value of the
+	// first request is lost.
+	// Note that the value returned is a long, so it can return
+	// 0-0xffff as well as -1.
+	int32_t readBreak() { return -1; };
+
+	// These return the settings specified by the USB host for the
+	// serial port. These aren't really used, but are offered here
+	// in case a sketch wants to act on these settings.
+	uint32_t baud() { return 0; }
+	uint8_t stopbits() { return 1; }
+	uint8_t paritytype() { return 0; }
+	uint8_t numbits() { return 8; }
+	bool dtr() { return true; }
+	bool rts() { return true; }
+	enum {
+		ONE_STOP_BIT = 0,
+		ONE_AND_HALF_STOP_BIT = 1,
+		TWO_STOP_BITS = 2,
+	};
+	enum {
+		NO_PARITY = 0,
+		ODD_PARITY = 1,
+		EVEN_PARITY = 2,
+		MARK_PARITY = 3,
+		SPACE_PARITY = 4,
+	};
+
+};
+extern Serial_ Serial;
+
+#define HAVE_CDCSERIAL
+
+//================================================================================
+//================================================================================
+//  Low level API
+
+typedef struct
+{
+	uint8_t bmRequestType;
+	uint8_t bRequest;
+	uint8_t wValueL;
+	uint8_t wValueH;
+	uint16_t wIndex;
+	uint16_t wLength;
+} USBSetup;
+
+//================================================================================
+//================================================================================
+
+#define TRANSFER_PGM		0x80
+#define TRANSFER_RELEASE	0x40
+#define TRANSFER_ZERO		0x20
+
+int USB_SendControl(uint8_t flags, const void* d, int len);
+int USB_RecvControl(void* d, int len);
+int USB_RecvControlLong(void* d, int len);
+
+uint8_t	USB_Available(uint8_t ep);
+uint8_t USB_SendSpace(uint8_t ep);
+int USB_Send(uint8_t ep, const void* data, int len);	// blocking
+int USB_Recv(uint8_t ep, void* data, int len);		// non-blocking
+int USB_Recv(uint8_t ep);							// non-blocking
+void USB_Flush(uint8_t ep);
+
+#include "xinput/USB_XInput_API.h"
+
+#endif
+
+#endif /* if defined(USBCON) */