toolbox: add lsusb command

Change-Id: I166d2859633ba4e15f170938262dcf6505b78dd3

toolbox/Android.mk

@@ -62,6 +62,9 @@ LOCAL_SRC_FILES:= \
 
 LOCAL_SHARED_LIBRARIES := libcutils libc
 
+# Needed for lsusb.  Should optimize out in linker if lsusb is not included
+LOCAL_STATIC_LIBRARIES := libusbhost
+
 LOCAL_MODULE:= toolbox
 
 # Including this will define $(intermediates).

toolbox/lsusb.c

@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <usbhost/usbhost.h>
+
+static int lsusb_device_added(const char *dev_name, void *client_data)
+{
+    struct usb_device *dev = usb_device_open(dev_name);
+    uint16_t vid, pid;
+    char *mfg_name, *product_name, *serial;
+
+    if (!dev) {
+        fprintf(stderr, "can't open device %s: %s\n", dev_name, strerror(errno));
+        return 0;
+    }
+
+    vid = usb_device_get_vendor_id(dev);
+    pid = usb_device_get_product_id(dev);
+    mfg_name = usb_device_get_manufacturer_name(dev);
+    product_name = usb_device_get_product_name(dev);
+    serial = usb_device_get_serial(dev);
+
+    printf("%s: %04x:%04x %s %s %s\n", dev_name, vid, pid,
+           mfg_name, product_name, serial);
+
+    free(mfg_name);
+    free(product_name);
+    free(serial);
+
+    usb_device_close(dev);
+
+    return 0;
+}
+
+static int lsusb_device_removed(const char *dev_name, void *client_data)
+{
+    return 0;
+}
+
+
+static int lsusb_discovery_done(void *client_data)
+{
+    return 1;
+}
+
+
+
+int lsusb_main(int argc, char **argv)
+{
+    struct usb_host_context *ctx = usb_host_init();
+    if (!ctx) {
+        perror("usb_host_init:");
+        return 1;
+    }
+
+    usb_host_run(ctx,
+                 lsusb_device_added,
+                 lsusb_device_removed,
+                 lsusb_discovery_done,
+                 NULL);
+
+    usb_host_cleanup(ctx);
+
+    return 0;
+}
+