Changeset cb61e8f in mainline for uspace/app/usbinfo/info.c

Timestamp:

2011-03-24T21:15:01Z (14 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

538bb6b, fcafa04

Parents:

915a851

Message:

usbinfo prints device status as well

Device (and control endpoint zero) status is printed via `-S' switch.

File:

• uspace/app/usbinfo/info.c (modified) (1 diff)

uspace/app/usbinfo/info.c

@@ -294 +294 @@
 }
 
+
+void dump_status(usbinfo_device_t *dev)
+{
+        int rc;
+        uint16_t device_status = 0;
+        uint16_t ctrl_pipe_status = 0;
+
+        /* Device status first. */
+        rc = usb_request_get_status(&dev->ctrl_pipe,
+            USB_REQUEST_RECIPIENT_DEVICE, 0,
+            &device_status);
+        if (rc != EOK) {
+                printf("%sFailed to get device status: %s.\n",
+                    get_indent(0), str_error(rc));
+                goto try_ctrl_pipe_status;
+        }
+
+        printf("%sDevice status 0x%04x: power=%s, remote-wakeup=%s.\n",
+            get_indent(0),
+            device_status,
+            device_status & USB_DEVICE_STATUS_SELF_POWERED ? "self" : "bus",
+            device_status & USB_DEVICE_STATUS_REMOTE_WAKEUP ? "yes" : "no");
+
+        /* Interface is not interesting, skipping ;-). */
+
+        /* Control endpoint zero. */
+try_ctrl_pipe_status:
+        rc = usb_request_get_status(&dev->ctrl_pipe,
+            USB_REQUEST_RECIPIENT_ENDPOINT, 0,
+            &ctrl_pipe_status);
+        if (rc != EOK) {
+                printf("%sFailed to get control endpoint status: %s.\n",
+                    get_indent(0), str_error(rc));
+                goto leave;
+        }
+
+        printf("%sControl endpoint zero status %04X: halted=%s.\n",
+            get_indent(0),
+            ctrl_pipe_status,
+            ctrl_pipe_status & USB_ENDPOINT_STATUS_HALTED ? "yes" : "no");
+
+leave:
+        return;
+}
+
 /** @}
  */