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/*
ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file serial.h
* @brief Serial Driver macros and structures.
* @addtogroup SERIAL
* @{
*/
#ifndef _SERIAL_H_
#define _SERIAL_H_
/** No pending conditions.*/
#define SD_NO_ERROR 0
/** Connection happened.*/
#define SD_CONNECTED 1
/** Disconnection happened.*/
#define SD_DISCONNECTED 2
/** Parity error happened.*/
#define SD_PARITY_ERROR 4
/** Framing error happened.*/
#define SD_FRAMING_ERROR 8
/** Overflow happened.*/
#define SD_OVERRUN_ERROR 16
/** Break detected.*/
#define SD_BREAK_DETECTED 32
typedef struct _SerialDriver SerialDriver;
#include "serial_lld.h"
/**
* @brief @p SerialDriver specific methods.
*/
struct _serial_driver_methods {
};
/**
* @brief @p SerialDriver virtual methods table.
*/
struct SerialDriverVMT {
/**
* @p BaseChannel class inherited methods.
*/
struct _base_channel_methods m0;
/**
* @p BaseAsynchronousChannel class inherited methods.
*/
struct _base_asynchronous_channel_methods m1;
/**
* @p SerialDriver specific methods.
*/
struct _serial_driver_methods m2;
};
/**
* @extends BaseAsynchronousChannel
*
* @brief Full duplex serial driver class.
* @details This class extends @p BaseAsynchronousChannel by adding physical
* I/O queues.
*/
struct _SerialDriver {
/**
* Virtual Methods Table.
*/
const struct SerialDriverVMT *vmt;
/**
* @p BaseChannel class inherited data.
*/
struct _base_channel_data d0;
/**
* @p BaseAsynchronousChannel class inherited data.
*/
struct _base_asynchronous_channel_data d1;
/**
* @p SerialDriver specific data.
*/
struct _serial_driver_data d2;
};
#ifdef __cplusplus
extern "C" {
#endif
void sdInit(SerialDriver *sdp, qnotify_t inotify, qnotify_t onotify);
void sdStart(SerialDriver *sdp, const SerialDriverConfig *config);
void sdStop(SerialDriver *sdp);
void sdIncomingDataI(SerialDriver *sdp, uint8_t b);
msg_t sdRequestDataI(SerialDriver *sdp);
void sdAddFlagsI(SerialDriver *sdp, sdflags_t mask);
sdflags_t sdGetAndClearFlags(SerialDriver *sdp);
#ifdef __cplusplus
}
#endif
/**
* @brief Direct output check on a @p SerialDriver.
* @details This function bypasses the indirect access to the channel and
* checks directly the output queue. This is faster but cannot
* be used to check different channels implementations.
* @see chIOPutWouldBlock()
*/
#define sdPutWouldBlock(sdp) chOQIsFull(&(sdp)->d2.oqueue)
/**
* @brief Direct input check on a @p SerialDriver.
* @details This function bypasses the indirect access to the channel and
* checks directly the input queue. This is faster but cannot
* be used to check different channels implementations.
* @see chIOGetWouldBlock()
*/
#define sdGetWouldBlock(sdp) chIQIsEmpty(&(sdp)->d2.iqueue)
/**
* @brief Direct blocking write to a @p SerialDriver.
* @details This function bypasses the indirect access to the channel and
* writes directly on the output queue. This is faster but cannot
* be used to write to different channels implementations.
* @see chIOPut()
*/
#define sdPut(sdp, b) chOQPut(&(sdp)->d2.oqueue, b)
/**
* @brief Direct blocking write on a @p SerialDriver with timeout
* specification.
* @details This function bypasses the indirect access to the channel and
* writes directly on the output queue. This is faster but cannot
* be used to write to different channels implementations.
* @see chIOPutTimeout()
*/
#define sdPutTimeout(sdp, b, t) chOQPutTimeout(&(sdp)->d2.iqueue, b, t)
/**
* @brief Direct blocking read from a @p SerialDriver.
* @details This function bypasses the indirect access to the channel and
* reads directly from the input queue. This is faster but cannot
* be used to read from different channels implementations.
* @see chIOGet()
*/
#define sdGet(sdp) chIQGet(&(sdp)->d2.iqueue)
/**
* @brief Direct blocking read from a @p SerialDriver with timeout
* specification.
* @details This function bypasses the indirect access to the channel and
* reads directly from the input queue. This is faster but cannot
* be used to read from different channels implementations.
* @see chIOGetTimeout()
*/
#define sdGetTimeout(sdp, t) chIQGetTimeout(&(sdp)->d2.iqueue, t)
/**
* @brief Direct non-blocking write to a @p SerialDriver.
* @details This function bypasses the indirect access to the channel and
* writes directly to the output queue. This is faster but cannot
* be used to write from different channels implementations.
* @see chIOWrite()
*/
#define sdWrite(sdp, b, n) chOQWrite(&(sdp)->d2.oqueue, b, n)
/**
* @brief Direct non-blocking read on a @p SerialDriver.
* @details This function bypasses the indirect access to the channel and
* reads directly from the input queue. This is faster but cannot
* be used to read from different channels implementations.
* @see chIORead()
*/
#define sdRead(sdp, b, n) chIQRead(&(sdp)->d2.iqueue, b, n)
#endif /* _SERIAL_H_ */
/** @} */
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