mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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ChibiOS 2.6.8, until I can figure out where to get it from git.
This commit is contained in:
Jared Boone
323
firmware/chibios/os/hal/include/serial.h
Executable file
323
firmware/chibios/os/hal/include/serial.h
Executable file
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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---
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes ChibiOS/RT, without being obliged to provide
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the source code for any proprietary components. See the file exception.txt
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for full details of how and when the exception can be applied.
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*/
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/**
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* @file serial.h
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* @brief Serial Driver macros and structures.
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*
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* @addtogroup SERIAL
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* @{
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*/
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#ifndef _SERIAL_H_
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#define _SERIAL_H_
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#if HAL_USE_SERIAL || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/**
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* @name Serial status flags
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* @{
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*/
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#define SD_PARITY_ERROR 32 /**< @brief Parity error happened. */
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#define SD_FRAMING_ERROR 64 /**< @brief Framing error happened. */
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#define SD_OVERRUN_ERROR 128 /**< @brief Overflow happened. */
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#define SD_NOISE_ERROR 256 /**< @brief Noise on the line. */
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#define SD_BREAK_DETECTED 512 /**< @brief Break detected. */
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/** @} */
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name Serial configuration options
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* @{
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*/
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/**
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* @brief Default bit rate.
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* @details Configuration parameter, this is the baud rate selected for the
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* default configuration.
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*/
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#if !defined(SERIAL_DEFAULT_BITRATE) || defined(__DOXYGEN__)
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#define SERIAL_DEFAULT_BITRATE 38400
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#endif
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/**
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* @brief Serial buffers size.
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* @details Configuration parameter, you can change the depth of the queue
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* buffers depending on the requirements of your application.
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* @note The default is 16 bytes for both the transmission and receive
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* buffers.
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*/
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#if !defined(SERIAL_BUFFERS_SIZE) || defined(__DOXYGEN__)
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#define SERIAL_BUFFERS_SIZE 16
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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#if !CH_USE_QUEUES && !CH_USE_EVENTS
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#error "Serial Driver requires CH_USE_QUEUES and CH_USE_EVENTS"
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#endif
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Driver state machine possible states.
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*/
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typedef enum {
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SD_UNINIT = 0, /**< Not initialized. */
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SD_STOP = 1, /**< Stopped. */
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SD_READY = 2 /**< Ready. */
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} sdstate_t;
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/**
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* @brief Structure representing a serial driver.
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*/
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typedef struct SerialDriver SerialDriver;
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#include "serial_lld.h"
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/**
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* @brief @p SerialDriver specific methods.
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*/
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#define _serial_driver_methods \
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_base_asynchronous_channel_methods
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/**
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* @extends BaseAsynchronousChannelVMT
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*
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* @brief @p SerialDriver virtual methods table.
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*/
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struct SerialDriverVMT {
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_serial_driver_methods
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};
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/**
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* @extends BaseAsynchronousChannel
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*
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* @brief Full duplex serial driver class.
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* @details This class extends @p BaseAsynchronousChannel by adding physical
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* I/O queues.
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*/
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struct SerialDriver {
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/** @brief Virtual Methods Table.*/
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const struct SerialDriverVMT *vmt;
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_serial_driver_data
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};
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/**
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* @name Macro Functions
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* @{
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*/
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/**
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* @brief Direct output check on a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* checks directly the output queue. This is faster but cannot
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* be used to check different channels implementations.
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*
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* @deprecated
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*
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* @api
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*/
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#define sdPutWouldBlock(sdp) chOQIsFullI(&(sdp)->oqueue)
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/**
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* @brief Direct input check on a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* checks directly the input queue. This is faster but cannot
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* be used to check different channels implementations.
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*
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* @deprecated
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*
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* @api
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*/
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#define sdGetWouldBlock(sdp) chIQIsEmptyI(&(sdp)->iqueue)
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/**
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* @brief Direct write to a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* writes directly on the output queue. This is faster but cannot
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* be used to write to different channels implementations.
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*
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* @see chnPutTimeout()
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*
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* @api
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*/
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#define sdPut(sdp, b) chOQPut(&(sdp)->oqueue, b)
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/**
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* @brief Direct write to a @p SerialDriver with timeout specification.
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* @note This function bypasses the indirect access to the channel and
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* writes directly on the output queue. This is faster but cannot
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* be used to write to different channels implementations.
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*
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* @see chnPutTimeout()
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*
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* @api
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*/
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#define sdPutTimeout(sdp, b, t) chOQPutTimeout(&(sdp)->oqueue, b, t)
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/**
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* @brief Direct read from a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* reads directly from the input queue. This is faster but cannot
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* be used to read from different channels implementations.
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*
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* @see chnGetTimeout()
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*
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* @api
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*/
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#define sdGet(sdp) chIQGet(&(sdp)->iqueue)
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/**
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* @brief Direct read from a @p SerialDriver with timeout specification.
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* @note This function bypasses the indirect access to the channel and
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* reads directly from the input queue. This is faster but cannot
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* be used to read from different channels implementations.
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*
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* @see chnGetTimeout()
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*
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* @api
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*/
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#define sdGetTimeout(sdp, t) chIQGetTimeout(&(sdp)->iqueue, t)
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/**
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* @brief Direct blocking write to a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* writes directly to the output queue. This is faster but cannot
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* be used to write from different channels implementations.
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*
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* @see chnWrite()
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*
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* @api
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*/
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#define sdWrite(sdp, b, n) \
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chOQWriteTimeout(&(sdp)->oqueue, b, n, TIME_INFINITE)
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/**
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* @brief Direct blocking write to a @p SerialDriver with timeout
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* specification.
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* @note This function bypasses the indirect access to the channel and
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* writes directly to the output queue. This is faster but cannot
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* be used to write to different channels implementations.
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*
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* @see chnWriteTimeout()
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*
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* @api
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*/
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#define sdWriteTimeout(sdp, b, n, t) \
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chOQWriteTimeout(&(sdp)->oqueue, b, n, t)
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/**
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* @brief Direct non-blocking write to a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* writes directly to the output queue. This is faster but cannot
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* be used to write to different channels implementations.
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*
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* @see chnWriteTimeout()
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*
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* @api
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*/
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#define sdAsynchronousWrite(sdp, b, n) \
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chOQWriteTimeout(&(sdp)->oqueue, b, n, TIME_IMMEDIATE)
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/**
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* @brief Direct blocking read from a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* reads directly from the input queue. This is faster but cannot
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* be used to read from different channels implementations.
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*
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* @see chnRead()
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*
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* @api
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*/
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#define sdRead(sdp, b, n) \
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chIQReadTimeout(&(sdp)->iqueue, b, n, TIME_INFINITE)
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/**
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* @brief Direct blocking read from a @p SerialDriver with timeout
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* specification.
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* @note This function bypasses the indirect access to the channel and
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* reads directly from the input queue. This is faster but cannot
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* be used to read from different channels implementations.
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*
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* @see chnReadTimeout()
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*
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* @api
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*/
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#define sdReadTimeout(sdp, b, n, t) \
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chIQReadTimeout(&(sdp)->iqueue, b, n, t)
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/**
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* @brief Direct non-blocking read from a @p SerialDriver.
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* @note This function bypasses the indirect access to the channel and
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* reads directly from the input queue. This is faster but cannot
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* be used to read from different channels implementations.
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*
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* @see chnReadTimeout()
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*
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* @api
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*/
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#define sdAsynchronousRead(sdp, b, n) \
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chIQReadTimeout(&(sdp)->iqueue, b, n, TIME_IMMEDIATE)
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/** @} */
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void sdInit(void);
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void sdObjectInit(SerialDriver *sdp, qnotify_t inotify, qnotify_t onotify);
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void sdStart(SerialDriver *sdp, const SerialConfig *config);
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void sdStop(SerialDriver *sdp);
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void sdIncomingDataI(SerialDriver *sdp, uint8_t b);
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msg_t sdRequestDataI(SerialDriver *sdp);
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#ifdef __cplusplus
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}
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#endif
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#endif /* HAL_USE_SERIAL */
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#endif /* _SERIAL_H_ */
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/** @} */
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