/* * FreeModbus Libary: RT-Thread Port * Copyright (C) 2013 Armink * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * File: $Id: porttimer.c,v 1.60 2013/08/13 15:07:05 Armink $ */ /* ----------------------- Platform includes --------------------------------*/ #include "port.h" /* ----------------------- Modbus includes ----------------------------------*/ #include "mb.h" #include "mbport.h" /* ----------------------- static functions ---------------------------------*/ static struct rt_timer timer; static void prvvTIMERExpiredISR(void); static void timer_timeout_ind(void* parameter); /* ----------------------- Start implementation -----------------------------*/ BOOL xMBPortTimersInit(USHORT usTim1Timerout50us) { rt_timer_init(&timer, "slave timer", timer_timeout_ind, /* bind timeout callback function */ RT_NULL, (50 * usTim1Timerout50us) / (1000 * 1000 / RT_TICK_PER_SECOND) + 1, RT_TIMER_FLAG_ONE_SHOT); /* one shot */ return TRUE; } void vMBPortTimersEnable() { rt_timer_start(&timer); } void vMBPortTimersDisable() { rt_timer_stop(&timer); } void prvvTIMERExpiredISR(void) { (void) pxMBPortCBTimerExpired(); } static void timer_timeout_ind(void* parameter) { prvvTIMERExpiredISR(); }