rt-thread-official/components/net/freemodbus/modbus/port/port.c

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/*
* File : porttimer.c
* This file is part of freemodbus in RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2010-04-04 yi.qiu first version
*/
/* ----------------------- System includes --------------------------------*/
#include <rtthread.h>
#include <rthw.h>
/* ----------------------- Modbus includes ----------------------------------*/
/* ----------------------- Variables ----------------------------------------*/
static int level;
/* ----------------------- Start implementation -----------------------------*/
void EnterCriticalSection(void)
{
level = rt_hw_interrupt_disable();
}
void ExitCriticalSection(void)
{
rt_hw_interrupt_enable(level);
}