80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
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/*
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* FreeModbus Libary: RT-Thread Port
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* Copyright (C) 2013 Armink <armink.ztl@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* File: $Id: portevent.c,v 1.60 2013/08/13 15:07:05 Armink $
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*/
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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 "port.h"
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/* ----------------------- Variables ----------------------------------------*/
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static EventGroupHandle_t xSlaveOsEvent;
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/* ----------------------- Start implementation -----------------------------*/
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BOOL xMBPortEventInit(void) {
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xSlaveOsEvent = xEventGroupCreate();
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if (xSlaveOsEvent != NULL) {
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MODBUS_DEBUG("xMBPortEventInit Success!\r\n");
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} else {
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MODBUS_DEBUG("xMBPortEventInit Faild !\r\n");
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return FALSE;
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}
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return TRUE;
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}
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BOOL xMBPortEventPost(eMBEventType eEvent) {
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BaseType_t flag;
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MODBUS_DEBUG("Post eEvent=%d!\r\n", eEvent);
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if (xSlaveOsEvent != NULL) {
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if (IS_IRQ()) {
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xEventGroupSetBitsFromISR(xSlaveOsEvent, eEvent, &flag);
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} else {
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xEventGroupSetBits(xSlaveOsEvent, eEvent);
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}
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}
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return TRUE;
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}
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BOOL xMBPortEventGet(eMBEventType *eEvent) {
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uint32_t recvedEvent;
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/* waiting forever OS event */
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recvedEvent = xEventGroupWaitBits(xSlaveOsEvent,
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EV_READY | EV_FRAME_RECEIVED | EV_EXECUTE |
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EV_FRAME_SENT, /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD>¼<EFBFBD>
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*/
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pdTRUE, /* <20>˳<EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>?? */
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pdFALSE, /* <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȥ<EFBFBD><C8A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>?? */
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portMAX_DELAY); /* ָ<><D6B8><EFBFBD><EFBFBD>ʱ<EFBFBD>¼<EFBFBD>,<2C><><EFBFBD>ȴ<DEB5> */
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switch (recvedEvent) {
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case EV_READY:
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*eEvent = EV_READY;
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break;
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case EV_FRAME_RECEIVED:
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*eEvent = EV_FRAME_RECEIVED;
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break;
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case EV_EXECUTE:
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*eEvent = EV_EXECUTE;
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break;
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case EV_FRAME_SENT:
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*eEvent = EV_FRAME_SENT;
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break;
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}
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return TRUE;
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}
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