Update libusb 1.0.9 to libusbx 1.0.16

third_party/libusb/src/examples/fxload.c

Index: third_party/libusb/src/examples/fxload.c
diff --git a/third_party/libusb/src/examples/fxload.c b/third_party/libusb/src/examples/fxload.c
new file mode 100644
index 0000000000000000000000000000000000000000..14226caafe2d3d0fb948b5baa368da9b2391ab55
--- /dev/null
+++ b/third_party/libusb/src/examples/fxload.c
@@ -0,0 +1,287 @@
+/*
+ * Copyright © 2001 Stephen Williams (steve@icarus.com)
+ * Copyright © 2001-2002 David Brownell (dbrownell@users.sourceforge.net)
+ * Copyright © 2008 Roger Williams (rawqux@users.sourceforge.net)
+ * Copyright © 2012 Pete Batard (pete@akeo.ie)
+ * Copyright © 2013 Federico Manzan (f.manzan@gmail.com)
+ *
+ *    This source code is free software; you can redistribute it
+ *    and/or modify it in source code form under the terms of the GNU
+ *    General Public License as published by the Free Software
+ *    Foundation; either version 2 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, write to the Free Software
+ *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <getopt.h>
+
+#include "libusb.h"
+#include "ezusb.h"
+
+#if !defined(_WIN32) || defined(__CYGWIN__ )
+#include <syslog.h>
+static bool dosyslog = false;
+#include <strings.h>
+#define _stricmp strcasecmp
+#endif
+
+#ifndef FXLOAD_VERSION
+#define FXLOAD_VERSION (__DATE__ " (libusbx)")
+#endif
+
+#ifndef ARRAYSIZE
+#define ARRAYSIZE(A) (sizeof(A)/sizeof((A)[0]))
+#endif
+
+void logerror(const char *format, ...)
+	__attribute__ ((format (__printf__, 1, 2)));
+
+void logerror(const char *format, ...)
+{
+	va_list ap;
+	va_start(ap, format);
+
+#if !defined(_WIN32) || defined(__CYGWIN__ )
+	if (dosyslog)
+		vsyslog(LOG_ERR, format, ap);
+	else
+#endif
+		vfprintf(stderr, format, ap);
+	va_end(ap);
+}
+
+static int print_usage(int error_code) {
+	fprintf(stderr, "\nUsage: fxload [-v] [-V] [-t type] [-d vid:pid] [-p bus,addr] -i firmware\n");
+	fprintf(stderr, "  -i <path>       -- Firmware to upload\n");
+	fprintf(stderr, "  -t <type>       -- Target type: an21, fx, fx2, fx2lp, fx3\n");
+	fprintf(stderr, "  -d <vid:pid>    -- Target device, as an USB VID:PID\n");
+	fprintf(stderr, "  -p <bus,addr>   -- Target device, as a libusbx bus number and device address path\n");
+	fprintf(stderr, "  -v              -- Increase verbosity\n");
+	fprintf(stderr, "  -q              -- Decrease verbosity (silent mode)\n");
+	fprintf(stderr, "  -V              -- Print program version\n");
+	return error_code;
+}
+
+#define FIRMWARE 0
+#define LOADER 1
+int main(int argc, char*argv[])
+{
+	fx_known_device known_device[] = FX_KNOWN_DEVICES;
+	const char *path[] = { NULL, NULL };
+	const char *device_id = NULL;
+	const char *device_path = getenv("DEVICE");
+	const char *type = NULL;
+	const char *fx_name[FX_TYPE_MAX] = FX_TYPE_NAMES;
+	const char *ext, *img_name[] = IMG_TYPE_NAMES;
+	int fx_type = FX_TYPE_UNDEFINED, img_type[ARRAYSIZE(path)];
+	int i, j, opt, status;
+	unsigned vid = 0, pid = 0;
+	unsigned busnum = 0, devaddr = 0, _busnum, _devaddr;
+	libusb_device *dev, **devs;
+	libusb_device_handle *device = NULL;
+	struct libusb_device_descriptor desc;
+
+	while ((opt = getopt(argc, argv, "qvV?hd:p:i:I:t:")) != EOF)
+		switch (opt) {
+
+		case 'd':
+			device_id = optarg;
+			if (sscanf(device_id, "%x:%x" , &vid, &pid) != 2 ) {
+				fputs ("please specify VID & PID as \"vid:pid\" in hexadecimal format\n", stderr);
+				return -1;
+			}
+			break;
+
+		case 'p':
+			device_path = optarg;
+			if (sscanf(device_path, "%u,%u", &busnum, &devaddr) != 2 ) {
+				fputs ("please specify bus number & device number as \"bus,dev\" in decimal format\n", stderr);
+				return -1;
+			}
+			break;
+
+		case 'i':
+		case 'I':
+			path[FIRMWARE] = optarg;
+			break;
+
+		case 'V':
+			puts(FXLOAD_VERSION);
+			return 0;
+
+		case 't':
+			type = optarg;
+			break;
+
+		case 'v':
+			verbose++;
+			break;
+
+		case 'q':
+			verbose--;
+			break;
+
+		case '?':
+		case 'h':
+		default:
+			return print_usage(-1);
+
+	}
+
+	if (path[FIRMWARE] == NULL) {
+		logerror("no firmware specified!\n");
+		return print_usage(-1);
+	}
+	if ((device_id != NULL) && (device_path != NULL)) {
+		logerror("only one of -d or -a can be specified\n");
+		return print_usage(-1);
+	}
+
+	/* determine the target type */
+	if (type != NULL) {
+		for (i=0; i<FX_TYPE_MAX; i++) {
+			if (strcmp(type, fx_name[i]) == 0) {
+				fx_type = i;
+				break;
+			}
+		}
+		if (i >= FX_TYPE_MAX) {
+			logerror("illegal microcontroller type: %s\n", type);
+			return print_usage(-1);
+		}
+	}
+
+	/* open the device using libusbx */
+	status = libusb_init(NULL);
+	if (status < 0) {
+		logerror("libusb_init() failed: %s\n", libusb_error_name(status));
+		return -1;
+	}
+	libusb_set_debug(NULL, verbose);
+
+	/* try to pick up missing parameters from known devices */
+	if ((type == NULL) || (device_id == NULL) || (device_path != NULL)) {
+		if (libusb_get_device_list(NULL, &devs) < 0) {
+			logerror("libusb_get_device_list() failed: %s\n", libusb_error_name(status));
+			goto err;
+		}
+		for (i=0; (dev=devs[i]) != NULL; i++) {
+			_busnum = libusb_get_bus_number(dev);
+			_devaddr = libusb_get_device_address(dev);
+			if ((type != NULL) && (device_path != NULL)) {
+				// if both a type and bus,addr were specified, we just need to find our match
+				if ((libusb_get_bus_number(dev) == busnum) && (libusb_get_device_address(dev) == devaddr))
+					break;
+			} else {
+				status = libusb_get_device_descriptor(dev, &desc);
+				if (status >= 0) {
+					if (verbose >= 3) {
+						logerror("examining %04x:%04x (%d,%d)\n",
+							desc.idVendor, desc.idProduct, _busnum, _devaddr);
+					}
+					for (j=0; j<ARRAYSIZE(known_device); j++) {
+						if ((desc.idVendor == known_device[j].vid)
+							&& (desc.idProduct == known_device[j].pid)) {
+							if (// nothing was specified
+								((type == NULL) && (device_id == NULL) && (device_path == NULL)) ||
+								// vid:pid was specified and we have a match
+								((type == NULL) && (device_id != NULL) && (vid == desc.idVendor) && (pid == desc.idProduct)) ||
+								// bus,addr was specified and we have a match
+								((type == NULL) && (device_path != NULL) && (busnum == _busnum) && (devaddr == _devaddr)) ||
+								// type was specified and we have a match
+								((type != NULL) && (device_id == NULL) && (device_path == NULL) && (fx_type == known_device[j].type)) ) {
+								fx_type = known_device[j].type;
+								vid = desc.idVendor;
+								pid = desc.idProduct;
+								busnum = _busnum;
+								devaddr = _devaddr;
+								break;
+							}
+						}
+					}
+					if (j < ARRAYSIZE(known_device)) {
+						if (verbose)
+							logerror("found device '%s' [%04x:%04x] (%d,%d)\n",
+								known_device[j].designation, vid, pid, busnum, devaddr);
+						break;
+					}
+				}
+			}
+		}
+		if (dev == NULL) {
+			libusb_free_device_list(devs, 1);
+			logerror("could not find a known device - please specify type and/or vid:pid and/or bus,dev\n");
+			return print_usage(-1);
+		}
+		status = libusb_open(dev, &device);
+		if (status < 0) {
+			logerror("libusb_open() failed: %s\n", libusb_error_name(status));
+			goto err;
+		}
+		libusb_free_device_list(devs, 1);
+	} else if (device_id != NULL) {
+		device = libusb_open_device_with_vid_pid(NULL, (uint16_t)vid, (uint16_t)pid);
+		if (device == NULL) {
+			logerror("libusb_open() failed\n");
+			goto err;
+		}
+	}
+
+	/* We need to claim the first interface */
+	libusb_set_auto_detach_kernel_driver(device, 1);
+	status = libusb_claim_interface(device, 0);
+	if (status != LIBUSB_SUCCESS) {
+		logerror("libusb_claim_interface failed: %s\n", libusb_error_name(status));
+		goto err;
+	}
+
+	if (verbose)
+		logerror("microcontroller type: %s\n", fx_name[fx_type]);
+
+	for (i=0; i<ARRAYSIZE(path); i++) {
+		if (path[i] != NULL) {
+			ext = path[i] + strlen(path[i]) - 4;
+			if ((_stricmp(ext, ".hex") == 0) || (strcmp(ext, ".ihx") == 0))
+				img_type[i] = IMG_TYPE_HEX;
+			else if (_stricmp(ext, ".iic") == 0)
+				img_type[i] = IMG_TYPE_IIC;
+			else if (_stricmp(ext, ".bix") == 0)
+				img_type[i] = IMG_TYPE_BIX;
+			else if (_stricmp(ext, ".img") == 0)
+				img_type[i] = IMG_TYPE_IMG;
+			else {
+				logerror("%s is not a recognized image type\n", path[i]);
+				goto err;
+			}
+		}
+		if (verbose && path[i] != NULL)
+			logerror("%s: type %s\n", path[i], img_name[img_type[i]]);
+	}
+
+	/* single stage, put into internal memory */
+	if (verbose > 1)
+		logerror("single stage: load on-chip memory\n");
+	status = ezusb_load_ram(device, path[FIRMWARE], fx_type, img_type[FIRMWARE], 0);
+
+	libusb_release_interface(device, 0);
+	libusb_close(device);
+	libusb_exit(NULL);
+	return status;
+err:
+	libusb_exit(NULL);
+	return -1;
+}