Add files via upload

4 files changed, 1762 insertions, 0 deletions

diff --git a/BootLoaderHID/HostLoaderApp/Makefile b/BootLoaderHID/HostLoaderApp/Makefile
new file mode 100644
index 0000000..d7d6458
--- /dev/null
+++ b/BootLoaderHID/HostLoaderApp/Makefile
@@ -0,0 +1,40 @@
+OS ?= LINUX
+#OS ?= WINDOWS
+#OS ?= MACOSX
+#OS ?= BSD
+
+ifeq ($(OS), LINUX)  # also works on FreeBSD
+CC ?= gcc
+CFLAGS ?= -O2 -Wall
+hid_bootloader_cli: hid_bootloader_cli.c
+	$(CC) $(CFLAGS) -s -DUSE_LIBUSB -o hid_bootloader_cli hid_bootloader_cli.c -lusb
+
+
+else ifeq ($(OS), WINDOWS)
+CC = i586-mingw32msvc-gcc
+CFLAGS ?= -O2 -Wall
+LDLIB = -lsetupapi -lhid
+hid_bootloader_cli.exe: hid_bootloader_cli.c
+	$(CC) $(CFLAGS) -s -DUSE_WIN32 -o hid_bootloader_cli.exe hid_bootloader_cli.c $(LDLIB)
+
+
+else ifeq ($(OS), MACOSX)
+CC ?= gcc
+SDK ?= /Developer/SDKs/MacOSX10.5.sdk
+CFLAGS ?= -O2 -Wall
+hid_bootloader_cli: hid_bootloader_cli.c
+	$(CC) $(CFLAGS) -DUSE_APPLE_IOKIT -isysroot $(SDK) -o hid_bootloader_cli hid_bootloader_cli.c -Wl,-syslibroot,$(SDK) -framework IOKit -framework CoreFoundation
+
+
+else ifeq ($(OS), BSD)  # works on NetBSD and OpenBSD
+CC ?= gcct
+CFLAGS ?= -O2 -Wall
+hid_bootloader_cli: hid_bootloader_cli.c
+	$(CC) $(CFLAGS) -s -DUSE_UHID -o hid_bootloader_cli hid_bootloader_cli.c
+
+
+endif
+
+
+clean:
+	rm -f hid_bootloader_cli hid_bootloader_cli.exe
diff --git a/BootLoaderHID/HostLoaderApp/Makefile.bsd b/BootLoaderHID/HostLoaderApp/Makefile.bsd
new file mode 100644
index 0000000..a15a664
--- /dev/null
+++ b/BootLoaderHID/HostLoaderApp/Makefile.bsd
@@ -0,0 +1,21 @@
+OS ?= FreeBSD
+#OS ?= NetBSD
+#OS ?= OpenBSD
+
+CFLAGS ?= -O2 -Wall
+CC ?= gcc
+
+.if $(OS) == "FreeBSD"
+CFLAGS += -DUSE_LIBUSB
+LIBS =  -lusb
+.elif $(OS) == "NetBSD" || $(OS) == "OpenBSD"
+CFLAGS += -DUSE_UHID
+LIBS =
+.endif
+
+
+hid_bootloader_cli: hid_bootloader_cli.c
+	$(CC) $(CFLAGS) -s -o hid_bootloader_cli hid_bootloader_cli.c $(LIBS)
+
+clean:
+	rm -f hid_bootloader_cli
diff --git a/BootLoaderHID/HostLoaderApp/gpl3.txt b/BootLoaderHID/HostLoaderApp/gpl3.txt
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/BootLoaderHID/HostLoaderApp/gpl3.txt
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
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+
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+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/BootLoaderHID/HostLoaderApp/hid_bootloader_cli.c b/BootLoaderHID/HostLoaderApp/hid_bootloader_cli.c
new file mode 100644
index 0000000..9dd79ed
--- /dev/null
+++ b/BootLoaderHID/HostLoaderApp/hid_bootloader_cli.c
@@ -0,0 +1,1027 @@
+/*
+  This software is based on the LUFA library. Modifications of the 
+  software are released under GPL but LUFA library itself is copyrigthed
+  by its creator Dean Camera. Refer to the license below on the usage of
+  LUFA library.
+
+	Chris Boudacoff @ Olimex Ltd
+	chris <at> protonic <dot> co <dot> uk
+*/
+
+/* Modified for the LUFA HID Bootloader by Dean Camera
+ *           http://www.lufa-lib.org
+ *
+ *   THIS MODIFIED VERSION IS UNSUPPORTED BY PJRC.
+ */
+
+/* Teensy Loader, Command Line Interface
+ * Program and Reboot Teensy Board with HalfKay Bootloader
+ * http://www.pjrc.com/teensy/loader_cli.html
+ * Copyright 2008-2010, PJRC.COM, LLC
+ *
+ *
+ * You may redistribute this program and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software
+ * Foundation, version 3 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see http://www.gnu.org/licenses/
+ */
+
+/* Want to incorporate this code into a proprietary application??
+ * Just email paul@pjrc.com to ask.  Usually it's not a problem,
+ * but you do need to ask to use this code in any way other than
+ * those permitted by the GNU General Public License, version 3  */
+
+/* For non-root permissions on ubuntu or similar udev-based linux
+ * http://www.pjrc.com/teensy/49-teensy.rules
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <string.h>
+#include <unistd.h>
+
+void usage(void)
+{
+	fprintf(stderr, "Usage: hid_bootloader_cli -mmcu=<MCU> [-w] [-h] [-n] [-v] <file.hex>\n");
+	fprintf(stderr, "\t-w : Wait for device to appear\n");
+	fprintf(stderr, "\t-r : Use hard reboot if device not online\n");
+	fprintf(stderr, "\t-n : No reboot after programming\n");
+	fprintf(stderr, "\t-v : Verbose output\n");
+	fprintf(stderr, "\n<MCU> = atmegaXXuY or at90usbXXXY");
+
+	fprintf(stderr, "\nFor support and more information, please visit:\n");
+	fprintf(stderr, "http://www.lufa-lib.org\n");
+
+	fprintf(stderr, "\nBased on the TeensyHID command line programmer software:\n");
+	fprintf(stderr, "http://www.pjrc.com/teensy/loader_cli.html\n");
+	exit(1);
+}
+
+// USB Access Functions
+int teensy_open(void);
+int teensy_write(void *buf, int len, double timeout);
+void teensy_close(void);
+int hard_reboot(void);
+
+// Intel Hex File Functions
+int read_intel_hex(const char *filename);
+int ihex_bytes_within_range(int begin, int end);
+void ihex_get_data(int addr, int len, unsigned char *bytes);
+
+// Misc stuff
+int printf_verbose(const char *format, ...);
+void delay(double seconds);
+void die(const char *str, ...);
+void parse_options(int argc, char **argv);
+
+// options (from user via command line args)
+int wait_for_device_to_appear = 0;
+int hard_reboot_device = 0;
+int reboot_after_programming = 1;
+int verbose = 0;
+int code_size = 0, block_size = 0;
+const char *filename=NULL;
+
+
+/****************************************************************/
+/*                                                              */
+/*                       Main Program                           */
+/*                                                              */
+/****************************************************************/
+
+int main(int argc, char **argv)
+{
+	unsigned char buf[260];
+	int num, addr, r, first_block=1, waited=0;
+
+	// parse command line arguments
+	parse_options(argc, argv);
+	if (!filename) {
+		fprintf(stderr, "Filename must be specified\n\n");
+		usage();
+	}
+	if (!code_size) {
+		fprintf(stderr, "MCU type must be specified\n\n");
+		usage();
+	}
+	printf_verbose("Teres Loader, Command Line, Version 0.9\n");
+
+	// read the intel hex file
+	// this is done first so any error is reported before using USB
+	num = read_intel_hex(filename);
+	if (num < 0) die("error reading intel hex file \"%s\"", filename);
+	printf_verbose("Read \"%s\": %d bytes, %.1f%% usage\n",
+		filename, num, (double)num / (double)code_size * 100.0);
+
+	// open the USB device
+	while (1) {
+		if (teensy_open()) break;
+		if (hard_reboot_device) {
+			if (!hard_reboot()) die("Unable to find rebootor\n");
+			printf_verbose("Hard Reboot performed\n");
+			hard_reboot_device = 0; // only hard reboot once
+			wait_for_device_to_appear = 1;
+		}
+		if (!wait_for_device_to_appear) die("Unable to open device\n");
+		if (!waited) {
+			printf_verbose("Waiting for bootloader...\n");
+			printf_verbose(" (hint: press the Fn+Tux+ESC buttons)\n");
+			waited = 1;
+		}
+		delay(0.25);
+	}
+	printf_verbose("Found TERES Bootloader\n");
+
+	// if we waited for the device, read the hex file again
+	// perhaps it changed while we were waiting?
+	if (waited) {
+		num = read_intel_hex(filename);
+		if (num < 0) die("error reading intel hex file \"%s\"", filename);
+		printf_verbose("Read \"%s\": %d bytes, %.1f%% usage\n",
+		 	filename, num, (double)num / (double)code_size * 100.0);
+	}
+
+	// program the data
+	printf_verbose("Programming");
+	fflush(stdout);
+	for (addr = 0; addr < code_size; addr += block_size) {
+		if (addr > 0 && !ihex_bytes_within_range(addr, addr + block_size - 1)) {
+			// don't waste time on blocks that are unused,
+			// but always do the first one to erase the chip
+			continue;
+		}
+		printf_verbose(".");
+		if (code_size < 0x10000) {
+			buf[0] = addr & 255;
+			buf[1] = (addr >> 8) & 255;
+		} else {
+			buf[0] = (addr >> 8) & 255;
+			buf[1] = (addr >> 16) & 255;
+		}
+		ihex_get_data(addr, block_size, buf + 2);
+		r = teensy_write(buf, block_size + 2, first_block ? 3.0 : 0.25);
+		if (!r) die("error writing to TERES\n");
+		first_block = 0;
+	}
+	printf_verbose("\n");
+
+	// reboot to the user's new code
+	if (reboot_after_programming) {
+		printf_verbose("Booting\n");
+		buf[0] = 0xFF;
+		buf[1] = 0xFF;
+		memset(buf + 2, 0, sizeof(buf) - 2);
+		teensy_write(buf, block_size + 2, 0.25);
+	}
+	teensy_close();
+	return 0;
+}
+
+
+
+
+/****************************************************************/
+/*                                                              */
+/*             USB Access - libusb (Linux & FreeBSD)            */
+/*                                                              */
+/****************************************************************/
+
+#if defined(USE_LIBUSB)
+
+// http://libusb.sourceforge.net/doc/index.html
+#include <usb.h>
+
+usb_dev_handle * open_usb_device(int vid, int pid)
+{
+	struct usb_bus *bus;
+	struct usb_device *dev;
+	usb_dev_handle *h;
+	#ifdef LIBUSB_HAS_GET_DRIVER_NP
+	char buf[128];
+	#endif
+	int r;
+
+	usb_init();
+	usb_find_busses();
+	usb_find_devices();
+	//printf_verbose("\nSearching for USB device:\n");
+	for (bus = usb_get_busses(); bus; bus = bus->next) {
+		for (dev = bus->devices; dev; dev = dev->next) {
+			//printf_verbose("bus \"%s\", device \"%s\" vid=%04X, pid=%04X\n",
+			//	bus->dirname, dev->filename,
+			//	dev->descriptor.idVendor,
+			//	dev->descriptor.idProduct
+			//);
+			if (dev->descriptor.idVendor != vid) continue;
+			if (dev->descriptor.idProduct != pid) continue;
+			h = usb_open(dev);
+			if (!h) {
+				printf_verbose("Found device but unable to open");
+				continue;
+			}
+			#ifdef LIBUSB_HAS_GET_DRIVER_NP
+			r = usb_get_driver_np(h, 0, buf, sizeof(buf));
+			if (r >= 0) {
+				r = usb_detach_kernel_driver_np(h, 0);
+				if (r < 0) {
+					usb_close(h);
+					printf_verbose("Device is in use by \"%s\" driver", buf);
+					continue;
+				}
+			}
+			#endif
+			// Mac OS-X - removing this call to usb_claim_interface() might allow
+			// this to work, even though it is a clear misuse of the libusb API.
+			// normally Apple's IOKit should be used on Mac OS-X
+			r = usb_claim_interface(h, 0);
+			if (r < 0) {
+				usb_close(h);
+				printf_verbose("Unable to claim interface, check USB permissions");
+				continue;
+			}
+			return h;
+		}
+	}
+	return NULL;
+}
+
+static usb_dev_handle *libusb_teensy_handle = NULL;
+
+int teensy_open(void)
+{
+	teensy_close();
+	libusb_teensy_handle = open_usb_device(0x15ba, 0x003b);
+
+	if (!libusb_teensy_handle)
+		libusb_teensy_handle = open_usb_device(0x15ba, 0x003b);
+
+	if (!libusb_teensy_handle) return 0;
+	return 1;
+}
+
+int teensy_write(void *buf, int len, double timeout)
+{
+	int r;
+
+	if (!libusb_teensy_handle) return 0;
+	r = usb_control_msg(libusb_teensy_handle, 0x21, 9, 0x0200, 0, (char *)buf,
+		len, (int)(timeout * 1000.0));
+	if (r < 0) return 0;
+	return 1;
+}
+
+void teensy_close(void)
+{
+	if (!libusb_teensy_handle) return;
+	usb_release_interface(libusb_teensy_handle, 0);
+	usb_close(libusb_teensy_handle);
+	libusb_teensy_handle = NULL;
+}
+
+int hard_reboot(void)
+{
+	usb_dev_handle *rebootor;
+	int r;
+
+	rebootor = open_usb_device(0x15ba, 0x003c);
+
+	if (!rebootor)
+		rebootor = open_usb_device(0x15ba, 0x003b);
+
+	if (!rebootor) return 0;
+	r = usb_control_msg(rebootor, 0x21, 9, 0x0200, 0, "reboot", 6, 100);
+	usb_release_interface(rebootor, 0);
+	usb_close(rebootor);
+	if (r < 0) return 0;
+	return 1;
+}
+
+#endif
+
+
+/****************************************************************/
+/*                                                              */
+/*               USB Access - Microsoft WIN32                   */
+/*                                                              */
+/****************************************************************/
+
+#if defined(USE_WIN32)
+
+// http://msdn.microsoft.com/en-us/library/ms790932.aspx
+#include <windows.h>
+#include <setupapi.h>
+#include <ddk/hidsdi.h>
+#include <ddk/hidclass.h>
+
+HANDLE open_usb_device(int vid, int pid)
+{
+	GUID guid;
+	HDEVINFO info;
+	DWORD index, required_size;
+	SP_DEVICE_INTERFACE_DATA iface;
+	SP_DEVICE_INTERFACE_DETAIL_DATA *details;
+	HIDD_ATTRIBUTES attrib;
+	HANDLE h;
+	BOOL ret;
+
+	HidD_GetHidGuid(&guid);
+	info = SetupDiGetClassDevs(&guid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
+	if (info == INVALID_HANDLE_VALUE) return NULL;
+	for (index=0; 1 ;index++) {
+		iface.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
+		ret = SetupDiEnumDeviceInterfaces(info, NULL, &guid, index, &iface);
+		if (!ret) {
+			SetupDiDestroyDeviceInfoList(info);
+			break;
+		}
+		SetupDiGetInterfaceDeviceDetail(info, &iface, NULL, 0, &required_size, NULL);
+		details = (SP_DEVICE_INTERFACE_DETAIL_DATA *)malloc(required_size);
+		if (details == NULL) continue;
+		memset(details, 0, required_size);
+		details->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
+		ret = SetupDiGetDeviceInterfaceDetail(info, &iface, details,
+			required_size, NULL, NULL);
+		if (!ret) {
+			free(details);
+			continue;
+		}
+		h = CreateFile(details->DevicePath, GENERIC_READ|GENERIC_WRITE,
+			FILE_SHARE_READ|FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
+			FILE_FLAG_OVERLAPPED, NULL);
+		free(details);
+		if (h == INVALID_HANDLE_VALUE) continue;
+		attrib.Size = sizeof(HIDD_ATTRIBUTES);
+		ret = HidD_GetAttributes(h, &attrib);
+		if (!ret) {
+			CloseHandle(h);
+			continue;
+		}
+		if (attrib.VendorID != vid || attrib.ProductID != pid) {
+			CloseHandle(h);
+			continue;
+		}
+		SetupDiDestroyDeviceInfoList(info);
+		return h;
+	}
+	return NULL;
+}
+
+int write_usb_device(HANDLE h, void *buf, int len, int timeout)
+{
+	static HANDLE event = NULL;
+	unsigned char tmpbuf[1040];
+	OVERLAPPED ov;
+	DWORD n, r;
+
+	if (len > sizeof(tmpbuf) - 1) return 0;
+	if (event == NULL) {
+		event = CreateEvent(NULL, TRUE, TRUE, NULL);
+		if (!event) return 0;
+	}
+	ResetEvent(&event);
+	memset(&ov, 0, sizeof(ov));
+	ov.hEvent = event;
+	tmpbuf[0] = 0;
+	memcpy(tmpbuf + 1, buf, len);
+	if (!WriteFile(h, tmpbuf, len + 1, NULL, &ov)) {
+		if (GetLastError() != ERROR_IO_PENDING) return 0;
+		r = WaitForSingleObject(event, timeout);
+		if (r == WAIT_TIMEOUT) {
+			CancelIo(h);
+			return 0;
+		}
+		if (r != WAIT_OBJECT_0) return 0;
+	}
+	if (!GetOverlappedResult(h, &ov, &n, FALSE)) return 0;
+	return 1;
+}
+
+static HANDLE win32_teensy_handle = NULL;
+
+int teensy_open(void)
+{
+	teensy_close();
+	win32_teensy_handle = open_usb_device(0x15ba, 0x003c);
+
+	if (!win32_teensy_handle)
+		win32_teensy_handle = open_usb_device(0x15ba, 0x003b);
+
+	if (!win32_teensy_handle) return 0;
+	return 1;
+}
+
+int teensy_write(void *buf, int len, double timeout)
+{
+	int r;
+	if (!win32_teensy_handle) return 0;
+	r = write_usb_device(win32_teensy_handle, buf, len, (int)(timeout * 1000.0));
+	return r;
+}
+
+void teensy_close(void)
+{
+	if (!win32_teensy_handle) return;
+	CloseHandle(win32_teensy_handle);
+	win32_teensy_handle = NULL;
+}
+
+int hard_reboot(void)
+{
+	HANDLE rebootor;
+	int r;
+
+	rebootor = open_usb_device(0x15ba, 0x003c);
+
+	if (!rebootor)
+		rebootor = open_usb_device(0x15ba, 0x003b);
+
+	if (!rebootor) return 0;
+	r = write_usb_device(rebootor, "reboot", 6, 100);
+	CloseHandle(rebootor);
+	return r;
+}
+
+#endif
+
+
+
+/****************************************************************/
+/*                                                              */
+/*             USB Access - Apple's IOKit, Mac OS-X             */
+/*                                                              */
+/****************************************************************/
+
+#if defined(USE_APPLE_IOKIT)
+
+// http://developer.apple.com/technotes/tn2007/tn2187.html
+#include <IOKit/IOKitLib.h>
+#include <IOKit/hid/IOHIDLib.h>
+#include <IOKit/hid/IOHIDDevice.h>
+
+struct usb_list_struct {
+	IOHIDDeviceRef ref;
+	int pid;
+	int vid;
+	struct usb_list_struct *next;
+};
+
+static struct usb_list_struct *usb_list=NULL;
+static IOHIDManagerRef hid_manager=NULL;
+
+void attach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
+{
+	CFTypeRef type;
+	struct usb_list_struct *n, *p;
+	int32_t pid, vid;
+
+	if (!dev) return;
+	type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDVendorIDKey));
+	if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
+	if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &vid)) return;
+	type = IOHIDDeviceGetProperty(dev, CFSTR(kIOHIDProductIDKey));
+	if (!type || CFGetTypeID(type) != CFNumberGetTypeID()) return;
+	if (!CFNumberGetValue((CFNumberRef)type, kCFNumberSInt32Type, &pid)) return;
+	n = (struct usb_list_struct *)malloc(sizeof(struct usb_list_struct));
+	if (!n) return;
+	//printf("attach callback: vid=%04X, pid=%04X\n", vid, pid);
+	n->ref = dev;
+	n->vid = vid;
+	n->pid = pid;
+	n->next = NULL;
+	if (usb_list == NULL) {
+		usb_list = n;
+	} else {
+		for (p = usb_list; p->next; p = p->next) ;
+		p->next = n;
+	}
+}
+
+void detach_callback(void *context, IOReturn r, void *hid_mgr, IOHIDDeviceRef dev)
+{
+	struct usb_list_struct *p, *tmp, *prev=NULL;
+
+	p = usb_list;
+	while (p) {
+		if (p->ref == dev) {
+			if (prev) {
+				prev->next = p->next;
+			} else {
+				usb_list = p->next;
+			}
+			tmp = p;
+			p = p->next;
+			free(tmp);
+		} else {
+			prev = p;
+			p = p->next;
+		}
+	}
+}
+
+void init_hid_manager(void)
+{
+	CFMutableDictionaryRef dict;
+	IOReturn ret;
+
+	if (hid_manager) return;
+	hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, kIOHIDOptionsTypeNone);
+	if (hid_manager == NULL || CFGetTypeID(hid_manager) != IOHIDManagerGetTypeID()) {
+		if (hid_manager) CFRelease(hid_manager);
+		printf_verbose("no HID Manager - maybe this is a pre-Leopard (10.5) system?\n");
+		return;
+	}
+	dict = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
+		&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
+	if (!dict) return;
+	IOHIDManagerSetDeviceMatching(hid_manager, dict);
+	CFRelease(dict);
+	IOHIDManagerScheduleWithRunLoop(hid_manager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
+	IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, attach_callback, NULL);
+	IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, detach_callback, NULL);
+	ret = IOHIDManagerOpen(hid_manager, kIOHIDOptionsTypeNone);
+	if (ret != kIOReturnSuccess) {
+		IOHIDManagerUnscheduleFromRunLoop(hid_manager,
+			CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
+		CFRelease(hid_manager);
+		printf_verbose("Error opening HID Manager");
+	}
+}
+
+static void do_run_loop(void)
+{
+	while (CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, true) == kCFRunLoopRunHandledSource) ;
+}
+
+IOHIDDeviceRef open_usb_device(int vid, int pid)
+{
+	struct usb_list_struct *p;
+	IOReturn ret;
+
+	init_hid_manager();
+	do_run_loop();
+	for (p = usb_list; p; p = p->next) {
+		if (p->vid == vid && p->pid == pid) {
+			ret = IOHIDDeviceOpen(p->ref, kIOHIDOptionsTypeNone);
+			if (ret == kIOReturnSuccess) return p->ref;
+		}
+	}
+	return NULL;
+}
+
+void close_usb_device(IOHIDDeviceRef dev)
+{
+	struct usb_list_struct *p;
+
+	do_run_loop();
+	for (p = usb_list; p; p = p->next) {
+		if (p->ref == dev) {
+			IOHIDDeviceClose(dev, kIOHIDOptionsTypeNone);
+			return;
+		}
+	}
+}
+
+static IOHIDDeviceRef iokit_teensy_reference = NULL;
+
+int teensy_open(void)
+{
+	teensy_close();
+	iokit_teensy_reference = open_usb_device(0x15ba, 0x003c);
+
+	if (!iokit_teensy_reference)
+		iokit_teensy_reference = open_usb_device(0x15ba, 0x003b);
+
+	if (!iokit_teensy_reference) return 0;
+	return 1;
+}
+
+int teensy_write(void *buf, int len, double timeout)
+{
+	IOReturn ret;
+
+	// timeouts do not work on OS-X
+	// IOHIDDeviceSetReportWithCallback is not implemented
+	// even though Apple documents it with a code example!
+	// submitted to Apple on 22-sep-2009, problem ID 7245050
+	if (!iokit_teensy_reference) return 0;
+	ret = IOHIDDeviceSetReport(iokit_teensy_reference,
+		kIOHIDReportTypeOutput, 0, buf, len);
+	if (ret == kIOReturnSuccess) return 1;
+	return 0;
+}
+
+void teensy_close(void)
+{
+	if (!iokit_teensy_reference) return;
+	close_usb_device(iokit_teensy_reference);
+	iokit_teensy_reference = NULL;
+}
+
+int hard_reboot(void)
+{
+	IOHIDDeviceRef rebootor;
+	IOReturn ret;
+
+	rebootor = open_usb_device(0x15ba, 0x003b);
+
+	if (!rebootor)
+		rebootor = open_usb_device(0x15ba, 0x003b);
+
+	if (!rebootor) return 0;
+	ret = IOHIDDeviceSetReport(rebootor,
+		kIOHIDReportTypeOutput, 0, (uint8_t *)("reboot"), 6);
+	close_usb_device(rebootor);
+	if (ret == kIOReturnSuccess) return 1;
+	return 0;
+}
+
+#endif
+
+
+
+/****************************************************************/
+/*                                                              */
+/*              USB Access - BSD's UHID driver                  */
+/*                                                              */
+/****************************************************************/
+
+#if defined(USE_UHID)
+
+// Thanks to Todd T Fries for help getting this working on OpenBSD
+// and to Chris Kuethe for the initial patch to use UHID.
+
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <dev/usb/usb.h>
+#ifndef USB_GET_DEVICEINFO
+#include <dev/usb/usb_ioctl.h>
+#endif
+
+#ifndef USB_GET_DEVICEINFO
+# define USB_GET_DEVICEINFO 0
+# error The USB_GET_DEVICEINFO ioctl() value is not defined for your system.
+#endif
+
+int open_usb_device(int vid, int pid)
+{
+	int r, fd;
+	DIR *dir;
+	struct dirent *d;
+	struct usb_device_info info;
+	char buf[256];
+
+	dir = opendir("/dev");
+	if (!dir) return -1;
+	while ((d = readdir(dir)) != NULL) {
+		if (strncmp(d->d_name, "uhid", 4) != 0) continue;
+		snprintf(buf, sizeof(buf), "/dev/%s", d->d_name);
+		fd = open(buf, O_RDWR);
+		if (fd < 0) continue;
+		r = ioctl(fd, USB_GET_DEVICEINFO, &info);
+		if (r < 0) {
+			// NetBSD: added in 2004
+			// OpenBSD: added November 23, 2009
+			// FreeBSD: missing (FreeBSD 8.0) - USE_LIBUSB works!
+			die("Error: your uhid driver does not support"
+			  " USB_GET_DEVICEINFO, please upgrade!\n");
+			close(fd);
+			closedir(dir);
+			exit(1);
+		}
+		//printf("%s: v=%d, p=%d\n", buf, info.udi_vendorNo, info.udi_productNo);
+		if (info.udi_vendorNo == vid && info.udi_productNo == pid) {
+			closedir(dir);
+			return fd;
+		}
+		close(fd);
+	}
+	closedir(dir);
+	return -1;
+}
+
+static int uhid_teensy_fd = -1;
+
+int teensy_open(void)
+{
+	teensy_close();
+	uhid_teensy_fd = open_usb_device(0x15ba, 0x003b);
+
+	if (uhid_teensy_fd < 0)
+		uhid_teensy_fd = open_usb_device(0x15ba, 0x003b);
+
+	if (uhid_teensy_fd < 0) return 0;
+	return 1;
+}
+
+int teensy_write(void *buf, int len, double timeout)
+{
+	int r;
+
+	// TODO: implement timeout... how??
+	r = write(uhid_teensy_fd, buf, len);
+	if (r == len) return 1;
+	return 0;
+}
+
+void teensy_close(void)
+{
+	if (uhid_teensy_fd >= 0) {
+		close(uhid_teensy_fd);
+		uhid_teensy_fd = -1;
+	}
+}
+
+int hard_reboot(void)
+{
+	int r, rebootor_fd;
+
+	rebootor_fd = open_usb_device(0x15ba, 0x003b);
+
+	if (rebootor_fd < 0)
+		rebootor_fd = open_usb_device(0x15ba, 0x003b);
+
+	if (rebootor_fd < 0) return 0;
+	r = write(rebootor_fd, "reboot", 6);
+	delay(0.1);
+	close(rebootor_fd);
+	if (r == 6) return 1;
+	return 0;
+}
+
+#endif
+
+
+
+/****************************************************************/
+/*                                                              */
+/*                     Read Intel Hex File                      */
+/*                                                              */
+/****************************************************************/
+
+// the maximum flash image size we can support
+// chips with larger memory may be used, but only this
+// much intel-hex data can be loaded into memory!
+#define MAX_MEMORY_SIZE 0x10000
+
+static unsigned char firmware_image[MAX_MEMORY_SIZE];
+static unsigned char firmware_mask[MAX_MEMORY_SIZE];
+static int end_record_seen=0;
+static int byte_count;
+static unsigned int extended_addr = 0;
+static int parse_hex_line(char *line);
+
+int read_intel_hex(const char *filename)
+{
+	FILE *fp;
+	int i, lineno=0;
+	char buf[1024];
+
+	byte_count = 0;
+	end_record_seen = 0;
+	for (i=0; i<MAX_MEMORY_SIZE; i++) {
+		firmware_image[i] = 0xFF;
+		firmware_mask[i] = 0;
+	}
+	extended_addr = 0;
+
+	fp = fopen(filename, "r");
+	if (fp == NULL) {
+		//printf("Unable to read file %s\n", filename);
+		return -1;
+	}
+	while (!feof(fp)) {
+		*buf = '\0';
+		if (!fgets(buf, sizeof(buf), fp)) break;
+		lineno++;
+		if (*buf) {
+			if (parse_hex_line(buf) == 0) {
+				//printf("Warning, parse error line %d\n", lineno);
+				fclose(fp);
+				return -2;
+			}
+		}
+		if (end_record_seen) break;
+		if (feof(stdin)) break;
+	}
+	fclose(fp);
+	return byte_count;
+}
+
+
+/* from ihex.c, at http://www.pjrc.com/tech/8051/pm2_docs/intel-hex.html */
+
+/* parses a line of intel hex code, stores the data in bytes[] */
+/* and the beginning address in addr, and returns a 1 if the */
+/* line was valid, or a 0 if an error occurred.  The variable */
+/* num gets the number of bytes that were stored into bytes[] */
+
+
+int
+parse_hex_line(char *line)
+{
+	int addr, code, num;
+        int sum, len, cksum, i;
+        char *ptr;
+
+        num = 0;
+        if (line[0] != ':') return 0;
+        if (strlen(line) < 11) return 0;
+        ptr = line+1;
+        if (!sscanf(ptr, "%02x", &len)) return 0;
+        ptr += 2;
+        if ((int)strlen(line) < (11 + (len * 2)) ) return 0;
+        if (!sscanf(ptr, "%04x", &addr)) return 0;
+        ptr += 4;
+          /* printf("Line: length=%d Addr=%d\n", len, addr); */
+        if (!sscanf(ptr, "%02x", &code)) return 0;
+	if (addr + extended_addr + len >= MAX_MEMORY_SIZE) return 0;
+        ptr += 2;
+        sum = (len & 255) + ((addr >> 8) & 255) + (addr & 255) + (code & 255);
+	if (code != 0) {
+		if (code == 1) {
+			end_record_seen = 1;
+			return 1;
+		}
+		if (code == 2 && len == 2) {
+			if (!sscanf(ptr, "%04x", &i)) return 1;
+			ptr += 4;
+			sum += ((i >> 8) & 255) + (i & 255);
+        		if (!sscanf(ptr, "%02x", &cksum)) return 1;
+			if (((sum & 255) + (cksum & 255)) & 255) return 1;
+			extended_addr = i << 4;
+			//printf("ext addr = %05X\n", extended_addr);
+		}
+		if (code == 4 && len == 2) {
+			if (!sscanf(ptr, "%04x", &i)) return 1;
+			ptr += 4;
+			sum += ((i >> 8) & 255) + (i & 255);
+        		if (!sscanf(ptr, "%02x", &cksum)) return 1;
+			if (((sum & 255) + (cksum & 255)) & 255) return 1;
+			extended_addr = i << 16;
+			//printf("ext addr = %08X\n", extended_addr);
+		}
+		return 1;	// non-data line
+	}
+	byte_count += len;
+        while (num != len) {
+                if (sscanf(ptr, "%02x", &i) != 1) return 0;
+		i &= 255;
+		firmware_image[addr + extended_addr + num] = i;
+		firmware_mask[addr + extended_addr + num] = 1;
+                ptr += 2;
+                sum += i;
+                (num)++;
+                if (num >= 256) return 0;
+        }
+        if (!sscanf(ptr, "%02x", &cksum)) return 0;
+        if (((sum & 255) + (cksum & 255)) & 255) return 0; /* checksum error */
+        return 1;
+}
+
+int ihex_bytes_within_range(int begin, int end)
+{
+	int i;
+
+	if (begin < 0 || begin >= MAX_MEMORY_SIZE ||
+	   end < 0 || end >= MAX_MEMORY_SIZE) {
+		return 0;
+	}
+	for (i=begin; i<=end; i++) {
+		if (firmware_mask[i]) return 1;
+	}
+	return 0;
+}
+
+void ihex_get_data(int addr, int len, unsigned char *bytes)
+{
+	int i;
+
+	if (addr < 0 || len < 0 || addr + len >= MAX_MEMORY_SIZE) {
+		for (i=0; i<len; i++) {
+			bytes[i] = 255;
+		}
+		return;
+	}
+	for (i=0; i<len; i++) {
+		if (firmware_mask[addr]) {
+			bytes[i] = firmware_image[addr];
+		} else {
+			bytes[i] = 255;
+		}
+		addr++;
+	}
+}
+
+/****************************************************************/
+/*                                                              */
+/*                       Misc Functions                         */
+/*                                                              */
+/****************************************************************/
+
+int printf_verbose(const char *format, ...)
+{
+	va_list ap;
+	int r;
+
+	va_start(ap, format);
+	if (verbose) {
+		r = vprintf(format, ap);
+		fflush(stdout);
+		return r;
+	}
+	return 0;
+}
+
+void delay(double seconds)
+{
+	#ifdef USE_WIN32
+	sleep(seconds * 1000.0);
+	#else
+	usleep(seconds * 1000000.0);
+	#endif
+}
+
+void die(const char *str, ...)
+{
+	va_list  ap;
+
+	va_start(ap, str);
+	vfprintf(stderr, str, ap);
+	fprintf(stderr, "\n");
+	exit(1);
+}
+
+#if defined USE_WIN32
+#define strcasecmp stricmp
+#endif
+
+void parse_options(int argc, char **argv)
+{
+	int i;
+	const char *arg;
+	
+	wait_for_device_to_appear = 1;
+	verbose = 1;
+	code_size  = 32 * 1024;
+	block_size = 128;
+	hard_reboot_device = 1;
+
+
+	for (i=1; i<argc; i++) {
+		arg = argv[i];
+
+		if (*arg == '-') {
+			if (strcmp(arg, "-w") == 0) {
+				wait_for_device_to_appear = 1;
+			} else if (strcmp(arg, "-r") == 0) {
+				hard_reboot_device = 1;
+			} else if (strcmp(arg, "-n") == 0) {
+				reboot_after_programming = 0;
+			} else if (strcmp(arg, "-v") == 0) {
+				verbose = 1;
+			} else if (strncmp(arg, "-mmcu=", 6) == 0) {
+				arg += 6;
+
+				if (strncmp(arg, "at90usb", 7) == 0) {
+					arg += 7;
+				} else if (strncmp(arg, "atmega", 6) == 0) {
+					arg += 6;
+				} else {
+					die("Unknown MCU type\n");
+				}
+
+				if (strncmp(arg, "128", 3) == 0) {
+					code_size  = 128 * 1024;
+					block_size = 256;
+				} else if (strncmp(arg, "64", 2) == 0) {
+					code_size  = 64 * 1024;
+					block_size = 256;
+				} else if (strncmp(arg, "32", 2) == 0) {
+					code_size  = 32 * 1024;
+					block_size = 128;
+				} else if (strncmp(arg, "16", 2) == 0) {
+					code_size  = 16 * 1024;
+					block_size = 128;
+				} else if (strncmp(arg, "8", 1) == 0) {
+					code_size  = 8 * 1024;
+					block_size = 128;
+				} else {
+					die("Unknown MCU type\n");
+				}
+			}
+		} else {
+			filename = argv[i];
+		}
+	}
+}
+