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-rw-r--r--ao-tools/lib/Makefile.am3
-rw-r--r--ao-tools/lib/cc-usbdev.c228
-rw-r--r--ao-tools/lib/cc-util.c80
-rw-r--r--ao-tools/lib/cc.h51
4 files changed, 362 insertions, 0 deletions
diff --git a/ao-tools/lib/Makefile.am b/ao-tools/lib/Makefile.am
index 9584e216..f66ee0a9 100644
--- a/ao-tools/lib/Makefile.am
+++ b/ao-tools/lib/Makefile.am
@@ -16,6 +16,9 @@ libao_tools_a_SOURCES = \
ccdbg-state.c \
cc-usb.c \
cc-usb.h \
+ cc.h \
+ cc-usbdev.c \
+ cc-util.c \
cc-bitbang.c \
cc-bitbang.h \
cp-usb-async.c \
diff --git a/ao-tools/lib/cc-usbdev.c b/ao-tools/lib/cc-usbdev.c
new file mode 100644
index 00000000..d8bb8b11
--- /dev/null
+++ b/ao-tools/lib/cc-usbdev.c
@@ -0,0 +1,228 @@
+/*
+ * 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; 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 "cc.h"
+
+#include <ctype.h>
+#include <dirent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static char *
+load_string(char *dir, char *file)
+{
+ char *full = cc_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 = cc_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 = cc_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 = cc_fullname("/dev", namelist[0]->d_name + 4);
+ free(namelist);
+ return tty;
+ }
+
+ /* Check for tty/ttyACMx style names
+ */
+ tty_dir = cc_fullname(endpoint_full, "tty");
+ free(endpoint_full);
+ ntty = scandir(tty_dir, &namelist,
+ dir_filter_tty,
+ alphasort);
+ free (tty_dir);
+ if (ntty > 0) {
+ tty = cc_fullname("/dev", namelist[0]->d_name);
+ free(namelist);
+ return tty;
+ }
+ }
+ }
+ return NULL;
+}
+
+static struct cc_usbdev *
+usb_scan_device(char *sys)
+{
+ struct cc_usbdev *usbdev;
+
+ usbdev = calloc(1, sizeof (struct cc_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;
+}
+
+static void
+usbdev_free(struct cc_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;
+}
+
+struct cc_usbdevs *
+cc_usbdevs_scan(void)
+{
+ int e;
+ struct dirent **ents;
+ char *dir;
+ struct cc_usbdev *dev;
+ struct cc_usbdevs *devs;
+ int n;
+
+ devs = calloc(1, sizeof (struct cc_usbdevs));
+ if (!devs)
+ return NULL;
+
+ n = scandir (USB_DEVICES, &ents,
+ dir_filter_dev,
+ alphasort);
+ if (!n)
+ return 0;
+ for (e = 0; e < n; e++) {
+ dir = cc_fullname(USB_DEVICES, ents[e]->d_name);
+ dev = usb_scan_device(dir);
+ free(dir);
+ if (dev->idVendor == 0xfffe && dev->tty) {
+ if (devs->dev)
+ devs->dev = realloc(devs->dev,
+ devs->ndev + 1 * sizeof (struct usbdev *));
+ else
+ devs->dev = malloc (sizeof (struct usbdev *));
+ devs->dev[devs->ndev++] = dev;
+ }
+ }
+ free(ents);
+ return devs;
+}
+
+void
+cc_usbdevs_free(struct cc_usbdevs *usbdevs)
+{
+ int i;
+
+ if (!usbdevs)
+ return;
+ for (i = 0; i < usbdevs->ndev; i++)
+ usbdev_free(usbdevs->dev[i]);
+ free(usbdevs);
+}
diff --git a/ao-tools/lib/cc-util.c b/ao-tools/lib/cc-util.c
new file mode 100644
index 00000000..7104470c
--- /dev/null
+++ b/ao-tools/lib/cc-util.c
@@ -0,0 +1,80 @@
+/*
+ * 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 "cc.h"
+#define _GNU_SOURCE
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <errno.h>
+
+char *
+cc_fullname (char *dir, char *file)
+{
+ char *new;
+ int dlen = strlen (dir);
+ int flen = strlen (file);
+ int slen = 0;
+
+ if (dir[dlen-1] != '/')
+ slen = 1;
+ new = malloc (dlen + slen + flen + 1);
+ if (!new)
+ return 0;
+ strcpy(new, dir);
+ if (slen)
+ strcat (new, "/");
+ strcat(new, file);
+ return new;
+}
+
+char *
+cc_basename(char *file)
+{
+ char *b;
+
+ b = strrchr(file, '/');
+ if (!b)
+ return file;
+ return b + 1;
+}
+
+int
+cc_mkdir(char *dir)
+{
+ char *slash;
+ char *d;
+ char *part;
+
+ d = dir;
+ for (;;) {
+ slash = strchr (d, '/');
+ if (!slash)
+ slash = d + strlen(d);
+ if (!*slash)
+ break;
+ part = strndup(dir, slash - dir);
+ if (!access(part, F_OK))
+ if (mkdir(part, 0777) < 0)
+ return -errno;
+ free(part);
+ d = slash + 1;
+ }
+ return 0;
+}
diff --git a/ao-tools/lib/cc.h b/ao-tools/lib/cc.h
new file mode 100644
index 00000000..dad11bf3
--- /dev/null
+++ b/ao-tools/lib/cc.h
@@ -0,0 +1,51 @@
+/*
+ * 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.
+ */
+
+#ifndef _CC_H_
+#define _CC_H_
+
+char *
+cc_fullname (char *dir, char *file);
+
+char *
+cc_basename(char *file);
+
+int
+cc_mkdir(char *dir);
+
+struct cc_usbdev {
+ char *sys;
+ char *tty;
+ char *manufacturer;
+ char *product;
+ char *serial;
+ int idProduct;
+ int idVendor;
+};
+
+struct cc_usbdevs {
+ struct cc_usbdev **dev;
+ int ndev;
+};
+
+void
+cc_usbdevs_free(struct cc_usbdevs *usbdevs);
+
+struct cc_usbdevs *
+cc_usbdevs_scan(void);
+
+#endif /* _CC_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2025-10-15 20:37:02 +0000