7342811c37
revert changes made in mbrtu.c, mbascii.c change critical section type to semaphore mutex instead of spin lock Closes: https://github.com/espressif/esp-idf/issues/3009
77 lines
2.6 KiB
C
77 lines
2.6 KiB
C
/*
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* FreeModbus Libary: ESP32 Demo Application
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* Copyright (C) 2010 Christian Walter <cwalter@embedded-solutions.at>
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* IF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* File: $Id: portother.c,v 1.1 2010/06/06 13:07:20 wolti Exp $
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*/
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/* ----------------------- System includes ----------------------------------*/
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#include <stdlib.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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/* ----------------------- Modbus includes ----------------------------------*/
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#include "mb.h"
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#include "mbport.h"
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#include "sys/lock.h"
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/* ----------------------- Modbus includes ----------------------------------*/
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/* ----------------------- Variables ----------------------------------------*/
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static _lock_t s_port_lock;
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/* ----------------------- Start implementation -----------------------------*/
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BOOL
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bMBPortIsWithinException( void )
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{
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BOOL bIsWithinException = xPortInIsrContext();
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return bIsWithinException;
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}
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inline void
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vMBPortEnterCritical( void )
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{
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_lock_acquire(&s_port_lock);
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}
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inline void
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vMBPortExitCritical( void )
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{
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_lock_release(&s_port_lock);
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}
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void
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vMBPortClose( void )
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{
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extern void vMBPortSerialClose( void );
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extern void vMBPortTimerClose( void );
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extern void vMBPortEventClose( void );
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vMBPortSerialClose( );
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vMBPortTimerClose( );
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vMBPortEventClose( );
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}
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