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authorn_hibma <n_hibma@FreeBSD.org>2000-07-05 17:43:33 +0000
committern_hibma <n_hibma@FreeBSD.org>2000-07-05 17:43:33 +0000
commit72c0a8a9d4c7aa7b4c5cfc338c7adce925d57f6a (patch)
treed73fdc15400bea0adfa9f19faa733f6f141b9a89 /usr.bin/usbhidctl/usbhid.c
parenta5e8ea10096f636aa3c392e67e18eea188cb56a8 (diff)
downloadFreeBSD-src-72c0a8a9d4c7aa7b4c5cfc338c7adce925d57f6a.zip
FreeBSD-src-72c0a8a9d4c7aa7b4c5cfc338c7adce925d57f6a.tar.gz
Add the usbhidctl utility, from NetBSD, by Lennart Augusst
Diffstat (limited to 'usr.bin/usbhidctl/usbhid.c')
-rw-r--r--usr.bin/usbhidctl/usbhid.c339
1 files changed, 339 insertions, 0 deletions
diff --git a/usr.bin/usbhidctl/usbhid.c b/usr.bin/usbhidctl/usbhid.c
new file mode 100644
index 0000000..4518ff8
--- /dev/null
+++ b/usr.bin/usbhidctl/usbhid.c
@@ -0,0 +1,339 @@
+/* $NetBSD: usbhid.c,v 1.14 2000/07/03 02:51:37 matt Exp $ */
+/* $FreeBSD$ */
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (augustss@netbsd.org).
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <err.h>
+#include <ctype.h>
+#include <errno.h>
+#include <libusb.h>
+#include <dev/usb/usb.h>
+#include <dev/usb/usbhid.h>
+
+int verbose = 0;
+int all = 0;
+int noname = 0;
+
+char **names;
+int nnames;
+
+void prbits(int bits, char **strs, int n);
+void usage(void);
+void dumpitem(char *label, struct hid_item *h);
+void dumpitems(report_desc_t r);
+void rev(struct hid_item **p);
+void prdata(u_char *buf, struct hid_item *h);
+void dumpdata(int f, report_desc_t r, int loop);
+int gotname(char *n);
+
+int
+gotname(char *n)
+{
+ int i;
+
+ for (i = 0; i < nnames; i++)
+ if (strcmp(names[i], n) == 0)
+ return 1;
+ return 0;
+}
+
+void
+prbits(int bits, char **strs, int n)
+{
+ int i;
+
+ for(i = 0; i < n; i++, bits >>= 1)
+ if (strs[i*2])
+ printf("%s%s", i == 0 ? "" : ", ", strs[i*2 + (bits&1)]);
+}
+
+void
+usage(void)
+{
+ extern char *__progname;
+
+ fprintf(stderr, "Usage: %s -f device [-l] [-n] [-r] [-t tablefile] [-v] name ...\n", __progname);
+ fprintf(stderr, " %s -f device [-l] [-n] [-r] [-t tablefile] [-v] -a\n", __progname);
+ exit(1);
+}
+
+void
+dumpitem(char *label, struct hid_item *h)
+{
+ if ((h->flags & HIO_CONST) && !verbose)
+ return;
+ printf("%s size=%d count=%d page=%s usage=%s%s", label,
+ h->report_size, h->report_count,
+ hid_usage_page(HID_PAGE(h->usage)),
+ hid_usage_in_page(h->usage),
+ h->flags & HIO_CONST ? " Const" : "");
+ printf(", logical range %d..%d",
+ h->logical_minimum, h->logical_maximum);
+ if (h->physical_minimum != h->physical_maximum)
+ printf(", physical range %d..%d",
+ h->physical_minimum, h->physical_maximum);
+ if (h->unit)
+ printf(", unit=0x%02x exp=%d", h->unit, h->unit_exponent);
+ printf("\n");
+}
+
+void
+dumpitems(report_desc_t r)
+{
+ struct hid_data *d;
+ struct hid_item h;
+ int report_id, size;
+
+ for (d = hid_start_parse(r, ~0); hid_get_item(d, &h); ) {
+ switch (h.kind) {
+ case hid_collection:
+ printf("Collection page=%s usage=%s\n",
+ hid_usage_page(HID_PAGE(h.usage)),
+ hid_usage_in_page(h.usage));
+ break;
+ case hid_endcollection:
+ printf("End collection\n");
+ break;
+ case hid_input:
+ dumpitem("Input ", &h);
+ break;
+ case hid_output:
+ dumpitem("Output ", &h);
+ break;
+ case hid_feature:
+ dumpitem("Feature", &h);
+ break;
+ }
+ }
+ hid_end_parse(d);
+ size = hid_report_size(r, hid_input, &report_id);
+ size -= report_id != 0;
+ printf("Total input size %s%d bytes\n",
+ report_id && size ? "1+" : "", size);
+
+ size = hid_report_size(r, hid_output, &report_id);
+ size -= report_id != 0;
+ printf("Total output size %s%d bytes\n",
+ report_id && size ? "1+" : "", size);
+
+ size = hid_report_size(r, hid_feature, &report_id);
+ size -= report_id != 0;
+ printf("Total feature size %s%d bytes\n",
+ report_id && size ? "1+" : "", size);
+}
+
+void
+rev(struct hid_item **p)
+{
+ struct hid_item *cur, *prev, *next;
+
+ prev = 0;
+ cur = *p;
+ while(cur != 0) {
+ next = cur->next;
+ cur->next = prev;
+ prev = cur;
+ cur = next;
+ }
+ *p = prev;
+}
+
+void
+prdata(u_char *buf, struct hid_item *h)
+{
+ u_int data;
+ int i, pos;
+
+ pos = h->pos;
+ for (i = 0; i < h->report_count; i++) {
+ data = hid_get_data(buf, h);
+ if (h->logical_minimum < 0)
+ printf("%d", (int)data);
+ else
+ printf("%u", data);
+ pos += h->report_size;
+ }
+}
+
+void
+dumpdata(int f, report_desc_t rd, int loop)
+{
+ struct hid_data *d;
+ struct hid_item h, *hids, *n;
+ int r, dlen;
+ u_char *dbuf;
+ static int one = 1;
+ u_int32_t colls[100];
+ int sp = 0;
+ int report_id;
+ char namebuf[10000], *namep;
+
+ hids = 0;
+ for (d = hid_start_parse(rd, 1<<hid_input);
+ hid_get_item(d, &h); ) {
+ if (h.kind == hid_collection)
+ colls[++sp] = h.usage;
+ else if (h.kind == hid_endcollection)
+ --sp;
+ if (h.kind != hid_input || (h.flags & HIO_CONST))
+ continue;
+ h.next = hids;
+ h.collection = colls[sp];
+ hids = malloc(sizeof *hids);
+ *hids = h;
+ }
+ hid_end_parse(d);
+ rev(&hids);
+ dlen = hid_report_size(rd, hid_input, &report_id);
+ dbuf = malloc(dlen);
+ if (!loop)
+ if (ioctl(f, USB_SET_IMMED, &one) < 0) {
+ if (errno == EOPNOTSUPP)
+ warnx("device does not support immediate mode, only changes reported.");
+ else
+ err(1, "USB_SET_IMMED");
+ }
+ do {
+ r = read(f, dbuf, dlen);
+ if (r != dlen) {
+ err(1, "bad read %d != %d", r, dlen);
+ }
+ for (n = hids; n; n = n->next) {
+ namep = namebuf;
+ namep += sprintf(namep, "%s:%s.",
+ hid_usage_page(HID_PAGE(n->collection)),
+ hid_usage_in_page(n->collection));
+ namep += sprintf(namep, "%s:%s",
+ hid_usage_page(HID_PAGE(n->usage)),
+ hid_usage_in_page(n->usage));
+ if (all || gotname(namebuf)) {
+ if (!noname)
+ printf("%s=", namebuf);
+ prdata(dbuf + (report_id != 0), n);
+ printf("\n");
+ }
+ }
+ if (loop)
+ printf("\n");
+ } while (loop);
+ free(dbuf);
+}
+
+int
+main(int argc, char **argv)
+{
+ int f;
+ report_desc_t r;
+ char devname[100], *dev = 0;
+ int ch;
+ int repdump = 0;
+ int loop = 0;
+ char *table = 0;
+
+ while ((ch = getopt(argc, argv, "af:lnrt:v")) != -1) {
+ switch(ch) {
+ case 'a':
+ all++;
+ break;
+ case 'f':
+ dev = optarg;
+ break;
+ case 'l':
+ loop ^= 1;
+ break;
+ case 'n':
+ noname++;
+ break;
+ case 'r':
+ repdump++;
+ break;
+ case 't':
+ table = optarg;
+ break;
+ case 'v':
+ verbose++;
+ break;
+ case '?':
+ default:
+ usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+ if (dev == 0)
+ usage();
+ names = argv;
+ nnames = argc;
+
+ if (nnames == 0 && !all && !repdump)
+ usage();
+
+ if (dev[0] != '/') {
+ if (isdigit(dev[0]))
+ sprintf(devname, "/dev/uhid%s", dev);
+ else
+ sprintf(devname, "/dev/%s", dev);
+ dev = devname;
+ }
+
+ hid_init(table);
+
+ f = open(dev, O_RDWR);
+ if (f < 0)
+ err(1, "%s", dev);
+
+ r = hid_get_report_desc(f);
+ if (r == 0)
+ errx(1, "USB_GET_REPORT_DESC");
+
+ if (repdump) {
+ printf("Report descriptor:\n");
+ dumpitems(r);
+ }
+ if (nnames != 0 || all)
+ dumpdata(f, r, loop);
+
+ hid_dispose_report_desc(r);
+ exit(0);
+}
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