+++ /dev/null
-/*
- * Copyright © 2009 Keith Packard <keithp@keithp.com>
- *
- * 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; version 2 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, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-
-#include "aoview.h"
-#include <ctype.h>
-#include <dirent.h>
-
-static char *
-load_string(char *dir, char *file)
-{
- char *full = aoview_fullname(dir, file);
- char line[4096];
- char *r;
- FILE *f;
- int rlen;
-
- f = fopen(full, "r");
- free(full);
- if (!f)
- return NULL;
- r = fgets(line, sizeof (line), f);
- fclose(f);
- if (!r)
- return NULL;
- rlen = strlen(r);
- if (r[rlen-1] == '\n')
- r[rlen-1] = '\0';
- return strdup(r);
-}
-
-static int
-load_hex(char *dir, char *file)
-{
- char *line;
- char *end;
- long i;
-
- line = load_string(dir, file);
- if (!line)
- return -1;
- i = strtol(line, &end, 16);
- free(line);
- if (end == line)
- return -1;
- return i;
-}
-
-static int
-dir_filter_tty_colon(const struct dirent *d)
-{
- return strncmp(d->d_name, "tty:", 4) == 0;
-}
-
-static int
-dir_filter_tty(const struct dirent *d)
-{
- return strncmp(d->d_name, "tty", 3) == 0;
-}
-
-static char *
-usb_tty(char *sys)
-{
- char *base;
- int num_configs;
- int config;
- struct dirent **namelist;
- int interface;
- int num_interfaces;
- char endpoint_base[20];
- char *endpoint_full;
- char *tty_dir;
- int ntty;
- char *tty;
-
- base = aoview_basename(sys);
- num_configs = load_hex(sys, "bNumConfigurations");
- num_interfaces = load_hex(sys, "bNumInterfaces");
- for (config = 1; config <= num_configs; config++) {
- for (interface = 0; interface < num_interfaces; interface++) {
- sprintf(endpoint_base, "%s:%d.%d",
- base, config, interface);
- endpoint_full = aoview_fullname(sys, endpoint_base);
-
- /* Check for tty:ttyACMx style names
- */
- ntty = scandir(endpoint_full, &namelist,
- dir_filter_tty_colon,
- alphasort);
- if (ntty > 0) {
- free(endpoint_full);
- tty = aoview_fullname("/dev", namelist[0]->d_name + 4);
- free(namelist);
- return tty;
- }
-
- /* Check for tty/ttyACMx style names
- */
- tty_dir = aoview_fullname(endpoint_full, "tty");
- free(endpoint_full);
- ntty = scandir(tty_dir, &namelist,
- dir_filter_tty,
- alphasort);
- free (tty_dir);
- if (ntty > 0) {
- tty = aoview_fullname("/dev", namelist[0]->d_name);
- free(namelist);
- return tty;
- }
- }
- }
- return NULL;
-}
-
-static struct usbdev *
-usb_scan_device(char *sys)
-{
- struct usbdev *usbdev;
-
- usbdev = calloc(1, sizeof (struct usbdev));
- if (!usbdev)
- return NULL;
- usbdev->sys = strdup(sys);
- usbdev->manufacturer = load_string(sys, "manufacturer");
- usbdev->product = load_string(sys, "product");
- usbdev->serial = load_string(sys, "serial");
- usbdev->idProduct = load_hex(sys, "idProduct");
- usbdev->idVendor = load_hex(sys, "idVendor");
- usbdev->tty = usb_tty(sys);
- return usbdev;
-}
-
-void
-aoview_usbdev_free(struct usbdev *usbdev)
-{
- free(usbdev->sys);
- free(usbdev->manufacturer);
- free(usbdev->product);
- free(usbdev->serial);
- free(usbdev->tty);
- free(usbdev);
-}
-
-#define USB_DEVICES "/sys/bus/usb/devices"
-
-static int
-dir_filter_dev(const struct dirent *d)
-{
- const char *n = d->d_name;
- char c;
-
- while ((c = *n++)) {
- if (isdigit(c))
- continue;
- if (c == '-')
- continue;
- if (c == '.' && n != d->d_name + 1)
- continue;
- return 0;
- }
- return 1;
-}
-
-int
-aoview_usb_scan(struct usbdev ***devs_ret)
-{
- int n;
- int ndev = 0;
- int e;
- struct dirent **ents;
- char *dir;
- struct usbdev **devs = NULL;
- struct usbdev *dev;
-
- n = scandir (USB_DEVICES, &ents,
- dir_filter_dev,
- alphasort);
- if (!n)
- return 0;
- for (e = 0; e < n; e++) {
- dir = aoview_fullname(USB_DEVICES, ents[e]->d_name);
- dev = usb_scan_device(dir);
- free(dir);
- if (dev->idVendor == 0xfffe && dev->tty) {
- if (devs)
- devs = realloc(devs, ndev + 1 * sizeof (struct usbdev *));
- else
- devs = malloc (sizeof (struct usbdev *));
- devs[ndev++] = dev;
- }
- }
- free(ents);
- *devs_ret = devs;
- return ndev;
-}
projects / fw / altos / blobdiff