Changeset 9097c16a in mainline for uspace/app/usbinfo/main.c

Timestamp:

2011-02-04T13:14:14Z (13 years ago)

Author:

Lubos Slovak <lubos.slovak@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9e7cdf8

Parents:

11797d5 (diff), ff244e6 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merged development

File:

• uspace/app/usbinfo/main.c (modified) (6 diffs)

uspace/app/usbinfo/main.c

@@ -27 +27 @@
  */
 
-/** @addtogroup usb
+/** @addtogroup usbinfo
  * @{
  */
 /**
  * @file
- * @brief USB querying.
+ * USB querying.
  */
 
@@ -77 +77 @@
 }
 
-static int set_new_host_controller(int *phone, const char *path)
+static int get_host_controller_handle(const char *path,
+    devman_handle_t *hc_handle)
 {
         int rc;
-        int tmp_phone;
 
-        if (path[0] != '/') {
-                int hc_class_index = (int) strtol(path, NULL, 10);
-                char *dev_path;
-                rc = asprintf(&dev_path, "class/usbhc\\%d", hc_class_index);
-                if (rc < 0) {
-                        internal_error(rc);
-                        return rc;
-                }
-                devmap_handle_t handle;
-                rc = devmap_device_get_handle(dev_path, &handle, 0);
-                if (rc < 0) {
-                        fprintf(stderr,
-                            NAME ": failed getting handle of `devman://%s'.\n",
-                            dev_path);
-                        free(dev_path);
-                        return rc;
-                }
-                tmp_phone = devmap_device_connect(handle, 0);
-                if (tmp_phone < 0) {
-                        fprintf(stderr,
-                            NAME ": could not connect to `%s'.\n",
-                            dev_path);
-                        free(dev_path);
-                        return tmp_phone;
-                }
-                free(dev_path);
-        } else {
-                devman_handle_t handle;
-                rc = devman_device_get_handle(path, &handle, 0);
-                if (rc != EOK) {
-                        fprintf(stderr,
-                            NAME ": failed getting handle of `devmap::/%s'.\n",
-                            path);
-                        return rc;
-                }
-                tmp_phone = devman_device_connect(handle, 0);
-                if (tmp_phone < 0) {
-                        fprintf(stderr,
-                            NAME ": could not connect to `%s'.\n",
-                            path);
-                        return tmp_phone;
-                }
+        devman_handle_t handle;
+        rc = devman_device_get_handle(path, &handle, 0);
+        if (rc != EOK) {
+                fprintf(stderr,
+                    NAME ": failed getting handle of `devman::/%s'.\n",
+                    path);
+                return rc;
         }
-
-        *phone = tmp_phone;
+        *hc_handle = handle;
 
         return EOK;
 }
 
-static int connect_with_address(int hc_phone, const char *str_address)
+static int get_device_address(const char *str_address, usb_address_t *address)
 {
-        usb_address_t address = (usb_address_t) strtol(str_address, NULL, 0);
-        if ((address < 0) || (address >= USB11_ADDRESS_MAX)) {
+        usb_address_t addr = (usb_address_t) strtol(str_address, NULL, 0);
+        if ((addr < 0) || (addr >= USB11_ADDRESS_MAX)) {
                 fprintf(stderr, NAME ": USB address out of range.\n");
                 return ERANGE;
         }
 
-        if (hc_phone < 0) {
-                fprintf(stderr, NAME ": no active host controller.\n");
-                return ENOENT;
-        }
-
-        return dump_device(hc_phone, address);
+        *address = addr;
+        return EOK;
 }
 
@@ -150 +110 @@
 int main(int argc, char *argv[])
 {
-        int hc_phone = -1;
+        devman_handle_t hc_handle = (devman_handle_t) -1;
+        usb_address_t device_address = (usb_address_t) -1;
 
         if (argc <= 1) {
@@ -175 +136 @@
                         case 'a':
                         case ACTION_DEVICE_ADDRESS: {
-                                int rc = connect_with_address(hc_phone, optarg);
+                                int rc = get_device_address(optarg,
+                                    &device_address);
                                 if (rc != EOK) {
                                         return rc;
@@ -184 +146 @@
                         case 't':
                         case ACTION_HOST_CONTROLLER: {
-                                int rc = set_new_host_controller(&hc_phone,
-                                    optarg);
+                                int rc = get_host_controller_handle(optarg,
+                                   &hc_handle);
                                 if (rc != EOK) {
                                         return rc;
@@ -202 +164 @@
         } while (i != -1);
 
+        if ((hc_handle == (devman_handle_t) -1)
+            || (device_address == (usb_address_t) -1)) {
+                fprintf(stderr, NAME ": no target specified.\n");
+                return EINVAL;
+        }
+
+        dump_device(hc_handle, device_address);
+
         return 0;
 }