+ retval = cmsis_dap_usb_open();
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = cmsis_dap_get_caps_info();
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = cmsis_dap_get_version_info();
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = cmsis_dap_get_serial_info();
+ if (retval != ERROR_OK)
+ return retval;
+