EV-Embedded-Control-System/middlewares/FreeModbus/port/FreeRTOS/portevent.c

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/*
* 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: portevent.c,v 1.60 2013/08/13 15:07:05 Armink $
*/
/* ----------------------- Modbus includes ----------------------------------*/
#include "mb.h"
#include "mbport.h"
#include "port.h"
/* ----------------------- Variables ----------------------------------------*/
static EventGroupHandle_t xSlaveOsEvent;
/* ----------------------- Start implementation -----------------------------*/
BOOL xMBPortEventInit(void) {
xSlaveOsEvent = xEventGroupCreate();
if (xSlaveOsEvent != NULL) {
MODBUS_DEBUG("xMBPortEventInit Success!\r\n");
} else {
MODBUS_DEBUG("xMBPortEventInit Faild !\r\n");
return FALSE;
}
return TRUE;
}
BOOL xMBPortEventPost(eMBEventType eEvent) {
BaseType_t flag;
MODBUS_DEBUG("Post eEvent=%d!\r\n", eEvent);
if (xSlaveOsEvent != NULL) {
if (IS_IRQ()) {
xEventGroupSetBitsFromISR(xSlaveOsEvent, eEvent, &flag);
} else {
xEventGroupSetBits(xSlaveOsEvent, eEvent);
}
}
return TRUE;
}
BOOL xMBPortEventGet(eMBEventType *eEvent) {
uint32_t recvedEvent;
/* waiting forever OS event */
recvedEvent = xEventGroupWaitBits(xSlaveOsEvent,
EV_READY | EV_FRAME_RECEIVED | EV_EXECUTE |
EV_FRAME_SENT, /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD>¼<EFBFBD>
*/
pdTRUE, /* <20>˳<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>?? */
pdFALSE, /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?? */
portMAX_DELAY); /* ָ<><D6B8><EFBFBD><EFBFBD>ʱ<EFBFBD>¼<EFBFBD>,<2C><><EFBFBD>޵ȴ<DEB5> */
switch (recvedEvent) {
case EV_READY:
*eEvent = EV_READY;
break;
case EV_FRAME_RECEIVED:
*eEvent = EV_FRAME_RECEIVED;
break;
case EV_EXECUTE:
*eEvent = EV_EXECUTE;
break;
case EV_FRAME_SENT:
*eEvent = EV_FRAME_SENT;
break;
}
return TRUE;
}