109d308a8SNick Hibma /* $NetBSD: usbhid.c,v 1.14 2000/07/03 02:51:37 matt Exp $ */ 209d308a8SNick Hibma /* $FreeBSD$ */ 309d308a8SNick Hibma 409d308a8SNick Hibma /* 509d308a8SNick Hibma * Copyright (c) 1998 The NetBSD Foundation, Inc. 609d308a8SNick Hibma * All rights reserved. 709d308a8SNick Hibma * 809d308a8SNick Hibma * This code is derived from software contributed to The NetBSD Foundation 909d308a8SNick Hibma * by Lennart Augustsson (augustss@netbsd.org). 1009d308a8SNick Hibma * 1109d308a8SNick Hibma * Redistribution and use in source and binary forms, with or without 1209d308a8SNick Hibma * modification, are permitted provided that the following conditions 1309d308a8SNick Hibma * are met: 1409d308a8SNick Hibma * 1. Redistributions of source code must retain the above copyright 1509d308a8SNick Hibma * notice, this list of conditions and the following disclaimer. 1609d308a8SNick Hibma * 2. Redistributions in binary form must reproduce the above copyright 1709d308a8SNick Hibma * notice, this list of conditions and the following disclaimer in the 1809d308a8SNick Hibma * documentation and/or other materials provided with the distribution. 1909d308a8SNick Hibma * 3. All advertising materials mentioning features or use of this software 2009d308a8SNick Hibma * must display the following acknowledgement: 2109d308a8SNick Hibma * This product includes software developed by the NetBSD 2209d308a8SNick Hibma * Foundation, Inc. and its contributors. 2309d308a8SNick Hibma * 4. Neither the name of The NetBSD Foundation nor the names of its 2409d308a8SNick Hibma * contributors may be used to endorse or promote products derived 2509d308a8SNick Hibma * from this software without specific prior written permission. 2609d308a8SNick Hibma * 2709d308a8SNick Hibma * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 2809d308a8SNick Hibma * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2909d308a8SNick Hibma * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 3009d308a8SNick Hibma * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 3109d308a8SNick Hibma * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 3209d308a8SNick Hibma * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 3309d308a8SNick Hibma * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 3409d308a8SNick Hibma * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 3509d308a8SNick Hibma * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 3609d308a8SNick Hibma * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 3709d308a8SNick Hibma * POSSIBILITY OF SUCH DAMAGE. 3809d308a8SNick Hibma */ 3909d308a8SNick Hibma 4009d308a8SNick Hibma #include <stdio.h> 4109d308a8SNick Hibma #include <stdlib.h> 4209d308a8SNick Hibma #include <string.h> 4309d308a8SNick Hibma #include <sys/types.h> 4409d308a8SNick Hibma #include <fcntl.h> 4509d308a8SNick Hibma #include <unistd.h> 4609d308a8SNick Hibma #include <err.h> 4709d308a8SNick Hibma #include <ctype.h> 4809d308a8SNick Hibma #include <errno.h> 49cf0e07e5SMatthew N. Dodd #include <usbhid.h> 50bf41796cSAndrew Thompson #include <dev/usb/usbhid.h> 5109d308a8SNick Hibma 5209d308a8SNick Hibma int verbose = 0; 5309d308a8SNick Hibma int all = 0; 5409d308a8SNick Hibma int noname = 0; 559a2a66f1SGreg Lehey int hexdump = 0; 56cf0e07e5SMatthew N. Dodd static int reportid; 5709d308a8SNick Hibma 5809d308a8SNick Hibma char **names; 5909d308a8SNick Hibma int nnames; 6009d308a8SNick Hibma 6109d308a8SNick Hibma void prbits(int bits, char **strs, int n); 6209d308a8SNick Hibma void usage(void); 631a27f4f2SMark Murray void dumpitem(const char *label, struct hid_item *h); 6409d308a8SNick Hibma void dumpitems(report_desc_t r); 6509d308a8SNick Hibma void rev(struct hid_item **p); 6609d308a8SNick Hibma void prdata(u_char *buf, struct hid_item *h); 6709d308a8SNick Hibma void dumpdata(int f, report_desc_t r, int loop); 6809d308a8SNick Hibma int gotname(char *n); 6909d308a8SNick Hibma 7009d308a8SNick Hibma int 7109d308a8SNick Hibma gotname(char *n) 7209d308a8SNick Hibma { 7309d308a8SNick Hibma int i; 7409d308a8SNick Hibma 7509d308a8SNick Hibma for (i = 0; i < nnames; i++) 7609d308a8SNick Hibma if (strcmp(names[i], n) == 0) 7709d308a8SNick Hibma return 1; 7809d308a8SNick Hibma return 0; 7909d308a8SNick Hibma } 8009d308a8SNick Hibma 8109d308a8SNick Hibma void 8209d308a8SNick Hibma prbits(int bits, char **strs, int n) 8309d308a8SNick Hibma { 8409d308a8SNick Hibma int i; 8509d308a8SNick Hibma 8609d308a8SNick Hibma for(i = 0; i < n; i++, bits >>= 1) 8709d308a8SNick Hibma if (strs[i*2]) 8809d308a8SNick Hibma printf("%s%s", i == 0 ? "" : ", ", strs[i*2 + (bits&1)]); 8909d308a8SNick Hibma } 9009d308a8SNick Hibma 9109d308a8SNick Hibma void 9209d308a8SNick Hibma usage(void) 9309d308a8SNick Hibma { 9409d308a8SNick Hibma 959a2a66f1SGreg Lehey fprintf(stderr, 969a2a66f1SGreg Lehey "usage: %s -f device " 97eb29cfddSGreg Lehey "[-l] [-n] [-r] [-t tablefile] [-v] [-x] name ...\n", 981946089bSXin LI getprogname()); 999a2a66f1SGreg Lehey fprintf(stderr, 1009a2a66f1SGreg Lehey " %s -f device " 101eb29cfddSGreg Lehey "[-l] [-n] [-r] [-t tablefile] [-v] [-x] -a\n", 1021946089bSXin LI getprogname()); 10309d308a8SNick Hibma exit(1); 10409d308a8SNick Hibma } 10509d308a8SNick Hibma 10609d308a8SNick Hibma void 1071a27f4f2SMark Murray dumpitem(const char *label, struct hid_item *h) 10809d308a8SNick Hibma { 10909d308a8SNick Hibma if ((h->flags & HIO_CONST) && !verbose) 11009d308a8SNick Hibma return; 11109d308a8SNick Hibma printf("%s size=%d count=%d page=%s usage=%s%s", label, 11209d308a8SNick Hibma h->report_size, h->report_count, 11309d308a8SNick Hibma hid_usage_page(HID_PAGE(h->usage)), 11409d308a8SNick Hibma hid_usage_in_page(h->usage), 11509d308a8SNick Hibma h->flags & HIO_CONST ? " Const" : ""); 11609d308a8SNick Hibma printf(", logical range %d..%d", 11709d308a8SNick Hibma h->logical_minimum, h->logical_maximum); 11809d308a8SNick Hibma if (h->physical_minimum != h->physical_maximum) 11909d308a8SNick Hibma printf(", physical range %d..%d", 12009d308a8SNick Hibma h->physical_minimum, h->physical_maximum); 12109d308a8SNick Hibma if (h->unit) 12209d308a8SNick Hibma printf(", unit=0x%02x exp=%d", h->unit, h->unit_exponent); 12309d308a8SNick Hibma printf("\n"); 12409d308a8SNick Hibma } 12509d308a8SNick Hibma 12609d308a8SNick Hibma void 12709d308a8SNick Hibma dumpitems(report_desc_t r) 12809d308a8SNick Hibma { 12909d308a8SNick Hibma struct hid_data *d; 13009d308a8SNick Hibma struct hid_item h; 1311d10fe50SNick Hibma int size; 13209d308a8SNick Hibma 133cf0e07e5SMatthew N. Dodd for (d = hid_start_parse(r, ~0, reportid); hid_get_item(d, &h); ) { 13409d308a8SNick Hibma switch (h.kind) { 13509d308a8SNick Hibma case hid_collection: 13609d308a8SNick Hibma printf("Collection page=%s usage=%s\n", 13709d308a8SNick Hibma hid_usage_page(HID_PAGE(h.usage)), 13809d308a8SNick Hibma hid_usage_in_page(h.usage)); 13909d308a8SNick Hibma break; 14009d308a8SNick Hibma case hid_endcollection: 14109d308a8SNick Hibma printf("End collection\n"); 14209d308a8SNick Hibma break; 14309d308a8SNick Hibma case hid_input: 14409d308a8SNick Hibma dumpitem("Input ", &h); 14509d308a8SNick Hibma break; 14609d308a8SNick Hibma case hid_output: 14709d308a8SNick Hibma dumpitem("Output ", &h); 14809d308a8SNick Hibma break; 14909d308a8SNick Hibma case hid_feature: 15009d308a8SNick Hibma dumpitem("Feature", &h); 15109d308a8SNick Hibma break; 15209d308a8SNick Hibma } 15309d308a8SNick Hibma } 15409d308a8SNick Hibma hid_end_parse(d); 155f7d681bcSWarner Losh size = hid_report_size(r, hid_input, 0); 1561a2cdef4SNick Hibma printf("Total input size %d bytes\n", size); 15709d308a8SNick Hibma 158f7d681bcSWarner Losh size = hid_report_size(r, hid_output, 0); 1591d10fe50SNick Hibma printf("Total output size %d bytes\n", size); 16009d308a8SNick Hibma 161f7d681bcSWarner Losh size = hid_report_size(r, hid_feature, 0); 1621d10fe50SNick Hibma printf("Total feature size %d bytes\n", size); 16309d308a8SNick Hibma } 16409d308a8SNick Hibma 16509d308a8SNick Hibma void 16609d308a8SNick Hibma rev(struct hid_item **p) 16709d308a8SNick Hibma { 16809d308a8SNick Hibma struct hid_item *cur, *prev, *next; 16909d308a8SNick Hibma 17009d308a8SNick Hibma prev = 0; 17109d308a8SNick Hibma cur = *p; 17209d308a8SNick Hibma while(cur != 0) { 17309d308a8SNick Hibma next = cur->next; 17409d308a8SNick Hibma cur->next = prev; 17509d308a8SNick Hibma prev = cur; 17609d308a8SNick Hibma cur = next; 17709d308a8SNick Hibma } 17809d308a8SNick Hibma *p = prev; 17909d308a8SNick Hibma } 18009d308a8SNick Hibma 18109d308a8SNick Hibma void 18209d308a8SNick Hibma prdata(u_char *buf, struct hid_item *h) 18309d308a8SNick Hibma { 18409d308a8SNick Hibma u_int data; 18509d308a8SNick Hibma int i, pos; 18609d308a8SNick Hibma 18709d308a8SNick Hibma pos = h->pos; 18809d308a8SNick Hibma for (i = 0; i < h->report_count; i++) { 18909d308a8SNick Hibma data = hid_get_data(buf, h); 19009d308a8SNick Hibma if (h->logical_minimum < 0) 19109d308a8SNick Hibma printf("%d", (int)data); 19209d308a8SNick Hibma else 19309d308a8SNick Hibma printf("%u", data); 1949a2a66f1SGreg Lehey if (hexdump) 1959a2a66f1SGreg Lehey printf(" [0x%x]", data); 19609d308a8SNick Hibma pos += h->report_size; 19709d308a8SNick Hibma } 19809d308a8SNick Hibma } 19909d308a8SNick Hibma 20009d308a8SNick Hibma void 20109d308a8SNick Hibma dumpdata(int f, report_desc_t rd, int loop) 20209d308a8SNick Hibma { 20309d308a8SNick Hibma struct hid_data *d; 20409d308a8SNick Hibma struct hid_item h, *hids, *n; 20509d308a8SNick Hibma int r, dlen; 20609d308a8SNick Hibma u_char *dbuf; 20709d308a8SNick Hibma u_int32_t colls[100]; 20809d308a8SNick Hibma int sp = 0; 20909d308a8SNick Hibma char namebuf[10000], *namep; 21009d308a8SNick Hibma 21109d308a8SNick Hibma hids = 0; 212cf0e07e5SMatthew N. Dodd for (d = hid_start_parse(rd, 1<<hid_input, reportid); 21309d308a8SNick Hibma hid_get_item(d, &h); ) { 21409d308a8SNick Hibma if (h.kind == hid_collection) 21509d308a8SNick Hibma colls[++sp] = h.usage; 21609d308a8SNick Hibma else if (h.kind == hid_endcollection) 21709d308a8SNick Hibma --sp; 21809d308a8SNick Hibma if (h.kind != hid_input || (h.flags & HIO_CONST)) 21909d308a8SNick Hibma continue; 22009d308a8SNick Hibma h.next = hids; 22109d308a8SNick Hibma h.collection = colls[sp]; 22209d308a8SNick Hibma hids = malloc(sizeof *hids); 22309d308a8SNick Hibma *hids = h; 22409d308a8SNick Hibma } 22509d308a8SNick Hibma hid_end_parse(d); 22609d308a8SNick Hibma rev(&hids); 227f7d681bcSWarner Losh dlen = hid_report_size(rd, hid_input, 0); 22809d308a8SNick Hibma dbuf = malloc(dlen); 22909d308a8SNick Hibma if (!loop) 2307e474656SAlfred Perlstein if (hid_set_immed(f, 1) < 0) { 23109d308a8SNick Hibma if (errno == EOPNOTSUPP) 23209d308a8SNick Hibma warnx("device does not support immediate mode, only changes reported."); 23309d308a8SNick Hibma else 23409d308a8SNick Hibma err(1, "USB_SET_IMMED"); 23509d308a8SNick Hibma } 23609d308a8SNick Hibma do { 23709d308a8SNick Hibma r = read(f, dbuf, dlen); 23809d308a8SNick Hibma if (r != dlen) { 23909d308a8SNick Hibma err(1, "bad read %d != %d", r, dlen); 24009d308a8SNick Hibma } 24109d308a8SNick Hibma for (n = hids; n; n = n->next) { 24209d308a8SNick Hibma namep = namebuf; 24309d308a8SNick Hibma namep += sprintf(namep, "%s:%s.", 24409d308a8SNick Hibma hid_usage_page(HID_PAGE(n->collection)), 24509d308a8SNick Hibma hid_usage_in_page(n->collection)); 24609d308a8SNick Hibma namep += sprintf(namep, "%s:%s", 24709d308a8SNick Hibma hid_usage_page(HID_PAGE(n->usage)), 24809d308a8SNick Hibma hid_usage_in_page(n->usage)); 24909d308a8SNick Hibma if (all || gotname(namebuf)) { 25009d308a8SNick Hibma if (!noname) 25109d308a8SNick Hibma printf("%s=", namebuf); 252caf357a2SMatthew N. Dodd prdata(dbuf + (reportid != 0), n); 25309d308a8SNick Hibma printf("\n"); 25409d308a8SNick Hibma } 25509d308a8SNick Hibma } 25609d308a8SNick Hibma if (loop) 25709d308a8SNick Hibma printf("\n"); 25809d308a8SNick Hibma } while (loop); 25909d308a8SNick Hibma free(dbuf); 26009d308a8SNick Hibma } 26109d308a8SNick Hibma 26209d308a8SNick Hibma int 26309d308a8SNick Hibma main(int argc, char **argv) 26409d308a8SNick Hibma { 26509d308a8SNick Hibma int f; 26609d308a8SNick Hibma report_desc_t r; 2671a27f4f2SMark Murray char devnam[100], *dev = 0; 26809d308a8SNick Hibma int ch; 26909d308a8SNick Hibma int repdump = 0; 27009d308a8SNick Hibma int loop = 0; 27109d308a8SNick Hibma char *table = 0; 27209d308a8SNick Hibma 2739a2a66f1SGreg Lehey while ((ch = getopt(argc, argv, "af:lnrt:vx")) != -1) { 27409d308a8SNick Hibma switch(ch) { 27509d308a8SNick Hibma case 'a': 27609d308a8SNick Hibma all++; 27709d308a8SNick Hibma break; 27809d308a8SNick Hibma case 'f': 27909d308a8SNick Hibma dev = optarg; 28009d308a8SNick Hibma break; 28109d308a8SNick Hibma case 'l': 28209d308a8SNick Hibma loop ^= 1; 28309d308a8SNick Hibma break; 28409d308a8SNick Hibma case 'n': 28509d308a8SNick Hibma noname++; 28609d308a8SNick Hibma break; 28709d308a8SNick Hibma case 'r': 28809d308a8SNick Hibma repdump++; 28909d308a8SNick Hibma break; 29009d308a8SNick Hibma case 't': 29109d308a8SNick Hibma table = optarg; 29209d308a8SNick Hibma break; 29309d308a8SNick Hibma case 'v': 29409d308a8SNick Hibma verbose++; 29509d308a8SNick Hibma break; 2969a2a66f1SGreg Lehey case 'x': 297eb29cfddSGreg Lehey hexdump = 1; 2989a2a66f1SGreg Lehey break; 29909d308a8SNick Hibma case '?': 30009d308a8SNick Hibma default: 30109d308a8SNick Hibma usage(); 30209d308a8SNick Hibma } 30309d308a8SNick Hibma } 30409d308a8SNick Hibma argc -= optind; 30509d308a8SNick Hibma argv += optind; 30609d308a8SNick Hibma if (dev == 0) 30709d308a8SNick Hibma usage(); 30809d308a8SNick Hibma names = argv; 30909d308a8SNick Hibma nnames = argc; 31009d308a8SNick Hibma 31109d308a8SNick Hibma if (nnames == 0 && !all && !repdump) 31209d308a8SNick Hibma usage(); 31309d308a8SNick Hibma 31409d308a8SNick Hibma if (dev[0] != '/') { 31509d308a8SNick Hibma if (isdigit(dev[0])) 3161a27f4f2SMark Murray snprintf(devnam, sizeof(devnam), "/dev/uhid%s", dev); 31709d308a8SNick Hibma else 3181a27f4f2SMark Murray snprintf(devnam, sizeof(devnam), "/dev/%s", dev); 3191a27f4f2SMark Murray dev = devnam; 32009d308a8SNick Hibma } 32109d308a8SNick Hibma 32209d308a8SNick Hibma hid_init(table); 32309d308a8SNick Hibma 32409d308a8SNick Hibma f = open(dev, O_RDWR); 32509d308a8SNick Hibma if (f < 0) 32609d308a8SNick Hibma err(1, "%s", dev); 32709d308a8SNick Hibma 32809d308a8SNick Hibma r = hid_get_report_desc(f); 32909d308a8SNick Hibma if (r == 0) 33009d308a8SNick Hibma errx(1, "USB_GET_REPORT_DESC"); 33109d308a8SNick Hibma 33209d308a8SNick Hibma if (repdump) { 33309d308a8SNick Hibma printf("Report descriptor:\n"); 33409d308a8SNick Hibma dumpitems(r); 33509d308a8SNick Hibma } 33609d308a8SNick Hibma if (nnames != 0 || all) 33709d308a8SNick Hibma dumpdata(f, r, loop); 33809d308a8SNick Hibma 33909d308a8SNick Hibma hid_dispose_report_desc(r); 34009d308a8SNick Hibma exit(0); 34109d308a8SNick Hibma } 342