/*
 * FreeModbus Libary: RT-Thread Port
 * Copyright (C) 2013 Armink <armink.ztl@gmail.com>
 *
 * 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 TimerHandle_t timer;
static void prvvTIMERExpiredISR(void);
static void timer_timeout_ind();
/* ----------------------- Start implementation -----------------------------*/
BOOL xMBPortTimersInit(USHORT usTim1Timerout50us) {
  /*
  Freertos can't create timer in isr!
  So,I use hardware timer here! ！Freq=1Mhz
  */
  timer = xTimerCreate(
      "Slave timer",
      (50 * usTim1Timerout50us) / (1000 * 1000 / configTICK_RATE_HZ) + 1,
      pdFALSE, (void *)2, timer_timeout_ind);
  if (timer != NULL)
    return TRUE;
}

void vMBPortTimersEnable() {
  if (IS_IRQ()) {
    xTimerStartFromISR((TimerHandle_t)timer, 0);
  } else {
    xTimerStart((TimerHandle_t)timer, 0);
  }
}

void vMBPortTimersDisable() {
  if (IS_IRQ()) {
    xTimerStopFromISR((TimerHandle_t)timer, 0);
  } else {
    xTimerStop((TimerHandle_t)timer, 0);
  }
}

void prvvTIMERExpiredISR(void) { (void)pxMBPortCBTimerExpired(); }
static void timer_timeout_ind() {
  prvvTIMERExpiredISR();
}