From a3e9966359c432405c8ab1eb49a27133e5271ba2 Mon Sep 17 00:00:00 2001 From: Giovanni Di Sirio Date: Mon, 21 Jan 2019 19:42:49 +0000 Subject: More renaming for consistency. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12571 110e8d01-0319-4d1e-a829-52ad28d1bb01 --- os/hal/dox/hal_serial_usb.dox | 52 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 os/hal/dox/hal_serial_usb.dox (limited to 'os/hal/dox/hal_serial_usb.dox') diff --git a/os/hal/dox/hal_serial_usb.dox b/os/hal/dox/hal_serial_usb.dox new file mode 100644 index 000000000..028d8bbd0 --- /dev/null +++ b/os/hal/dox/hal_serial_usb.dox @@ -0,0 +1,52 @@ +/* + ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio + + 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. +*/ + +/** + * @defgroup SERIAL_USB Serial over USB Driver + * @brief Serial over USB Driver. + * @details This module implements an USB Communication Device Class + * (CDC) as a normal serial communication port accessible from + * the device application. + * @pre In order to use the USB over Serial driver the + * @p HAL_USE_SERIAL_USB option must be enabled in @p halconf.h. + * + * @section usb_serial_1 Driver State Machine + * The driver implements a state machine internally, not all the driver + * functionalities can be used in any moment, any transition not explicitly + * shown in the following diagram has to be considered an error and shall + * be captured by an assertion (if enabled). + * @dot + digraph example { + rankdir="LR"; + node [shape=circle, fontname=Helvetica, fontsize=8, fixedsize="true", + width="0.9", height="0.9"]; + edge [fontname=Helvetica, fontsize=8]; + + uninit [label="SDU_UNINIT", style="bold"]; + stop [label="SDU_STOP\nLow Power"]; + ready [label="SDU_READY\nClock Enabled"]; + + uninit -> stop [label=" sduInit()"]; + stop -> stop [label="\nsduStop()"]; + stop -> ready [label="\nsduStart()"]; + ready -> stop [label="\nsduStop()"]; + ready -> ready [label="\nsduStart()"]; + ready -> ready [label="\nAny I/O operation"]; + } + * @enddot + * + * @ingroup HAL_COMPLEX_DRIVERS + */ -- cgit v1.2.3