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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: $Id: portevent_m.c v 1.60 2013/08/13 15:07:05 Armink add Master Functions$
- */
- /* ----------------------- Modbus includes ----------------------------------*/
- #include "mb.h"
- #include "mb_m.h"
- #include "mbport.h"
- #include "port.h"
- #include "mbconfig.h"
- #if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
- /* ----------------------- Defines ------------------------------------------*/
- /* ----------------------- Variables ----------------------------------------*/
- //static struct rt_semaphore xMasterRunRes;
- volatile eMBMasterEventType xMasterEvent;
- /* ----------------------- Start implementation -----------------------------*/
- BOOL
- xMBMasterPortEventInit( void )
- {
- //rt_event_init(&xMasterOsEvent,"master event",RT_IPC_FLAG_PRIO);
- xMasterEvent = EV_MASTER_EVENT_NONE;
- return TRUE;
- }
- BOOL
- xMBMasterPortEventPost( eMBMasterEventType eEvent )
- {
- //rt_event_send(&xMasterOsEvent, eEvent);
- xMasterEvent = eEvent;
- return TRUE;
- }
- BOOL
- xMBMasterPortEventGet( eMBMasterEventType * eEvent )
- {
- eMBMasterEventType recvedEvent;
- /* waiting forever OS event */
- if(xMasterEvent & (EV_MASTER_READY | EV_MASTER_FRAME_RECEIVED | EV_MASTER_EXECUTE | EV_MASTER_FRAME_SENT | EV_MASTER_ERROR_PROCESS)){
- recvedEvent = xMasterEvent;
- //xMasterEvent = EV_MASTER_EVENT_NONE;
- }else{
- return FALSE;
- }
- /* the enum type couldn't convert to int type */
- switch (recvedEvent)
- {
- case EV_MASTER_READY:
- *eEvent = EV_MASTER_READY;
- xMasterEvent &= (~EV_MASTER_READY);
- break;
- case EV_MASTER_FRAME_RECEIVED:
- *eEvent = EV_MASTER_FRAME_RECEIVED;
- xMasterEvent &= (~EV_MASTER_FRAME_RECEIVED);
- break;
- case EV_MASTER_EXECUTE:
- *eEvent = EV_MASTER_EXECUTE;
- xMasterEvent &= (~EV_MASTER_EXECUTE);
- break;
- case EV_MASTER_FRAME_SENT:
- *eEvent = EV_MASTER_FRAME_SENT;
- xMasterEvent &= (~EV_MASTER_FRAME_SENT);
- break;
- case EV_MASTER_ERROR_PROCESS:
- *eEvent = EV_MASTER_ERROR_PROCESS;
- xMasterEvent &= (~EV_MASTER_ERROR_PROCESS);
- break;
- }
- return TRUE;
- }
- /**
- * This function is initialize the OS resource for modbus master.
- * Note:The resource is define by OS.If you not use OS this function can be empty.
- *
- */
- void vMBMasterOsResInit( void )
- {
- //rt_sem_init(&xMasterRunRes, "master res", 0x01 , RT_IPC_FLAG_PRIO);
- }
- /**
- * This function is take Mobus Master running resource.
- * Note:The resource is define by Operating System.If you not use OS this function can be just return TRUE.
- *
- * @param lTimeOut the waiting time.
- *
- * @return resource taked result
- */
- BOOL xMBMasterRunResTake( LONG lTimeOut )
- {
- /*If waiting time is -1 .It will wait forever */
- //return rt_sem_take(&xMasterRunRes, lTimeOut) ? FALSE : TRUE ;
- return TRUE;
- }
- /**
- * This function is release Mobus Master running resource.
- * Note:The resource is define by Operating System.If you not use OS this function can be empty.
- *
- */
- void vMBMasterRunResRelease( void )
- {
- /* release resource */
- //rt_sem_release(&xMasterRunRes);
- }
- /**
- * This is modbus master respond timeout error process callback function.
- * @note There functions will block modbus master poll while execute OS waiting.
- * So,for real-time of system.Do not execute too much waiting process.
- *
- * @param ucDestAddress destination salve address
- * @param pucPDUData PDU buffer data
- * @param ucPDULength PDU buffer length
- *
- */
- void vMBMasterErrorCBRespondTimeout(UCHAR ucDestAddress, const UCHAR* pucPDUData,
- USHORT ucPDULength) {
- /**
- * @note This code is use OS's event mechanism for modbus master protocol stack.
- * If you don't use OS, you can change it.
- */
- //rt_event_send(&xMasterOsEvent, EV_MASTER_ERROR_RESPOND_TIMEOUT);
- xMasterEvent = EV_MASTER_ERROR_RESPOND_TIMEOUT;
- /* You can add your code under here. */
- }
- /**
- * This is modbus master receive data error process callback function.
- * @note There functions will block modbus master poll while execute OS waiting.
- * So,for real-time of system.Do not execute too much waiting process.
- *
- * @param ucDestAddress destination salve address
- * @param pucPDUData PDU buffer data
- * @param ucPDULength PDU buffer length
- *
- */
- void vMBMasterErrorCBReceiveData(UCHAR ucDestAddress, const UCHAR* pucPDUData,
- USHORT ucPDULength) {
- /**
- * @note This code is use OS's event mechanism for modbus master protocol stack.
- * If you don't use OS, you can change it.
- */
- //rt_event_send(&xMasterOsEvent, EV_MASTER_ERROR_RECEIVE_DATA);
- xMasterEvent = EV_MASTER_ERROR_RECEIVE_DATA;
- /* You can add your code under here. */
- }
- /**
- * This is modbus master execute function error process callback function.
- * @note There functions will block modbus master poll while execute OS waiting.
- * So,for real-time of system.Do not execute too much waiting process.
- *
- * @param ucDestAddress destination salve address
- * @param pucPDUData PDU buffer data
- * @param ucPDULength PDU buffer length
- *
- */
- void vMBMasterErrorCBExecuteFunction(UCHAR ucDestAddress, const UCHAR* pucPDUData,
- USHORT ucPDULength) {
- /**
- * @note This code is use OS's event mechanism for modbus master protocol stack.
- * If you don't use OS, you can change it.
- */
- //rt_event_send(&xMasterOsEvent, EV_MASTER_ERROR_EXECUTE_FUNCTION);
- xMasterEvent = EV_MASTER_ERROR_EXECUTE_FUNCTION;
- /* You can add your code under here. */
- }
- /**
- * This is modbus master request process success callback function.
- * @note There functions will block modbus master poll while execute OS waiting.
- * So,for real-time of system.Do not execute too much waiting process.
- *
- */
- void vMBMasterCBRequestScuuess( void ) {
- /**
- * @note This code is use OS's event mechanism for modbus master protocol stack.
- * If you don't use OS, you can change it.
- */
- //rt_event_send(&xMasterOsEvent, EV_MASTER_PROCESS_SUCESS);
- xMasterEvent = EV_MASTER_PROCESS_SUCESS;
- /* You can add your code under here. */
- }
- /**
- * This function is wait for modbus master request finish and return result.
- * Waiting result include request process success, request respond timeout,
- * receive data error and execute function error.You can use the above callback function.
- * @note If you are use OS, you can use OS's event mechanism. Otherwise you have to run
- * much user custom delay for waiting.
- *
- * @return request error code
- */
- //eMBMasterReqErrCode eMBMasterWaitRequestFinish( void ) {
- // eMBMasterReqErrCode eErrStatus = MB_MRE_NO_ERR;
- // rt_uint32_t recvedEvent;
- /* waiting for OS event */
- // rt_event_recv(&xMasterOsEvent,
- // EV_MASTER_PROCESS_SUCESS | EV_MASTER_ERROR_RESPOND_TIMEOUT
- // | EV_MASTER_ERROR_RECEIVE_DATA
- // | EV_MASTER_ERROR_EXECUTE_FUNCTION,
- // RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, RT_WAITING_FOREVER,
- // &recvedEvent);
- // switch (recvedEvent)
- // {
- // case EV_MASTER_PROCESS_SUCESS:
- // break;
- // case EV_MASTER_ERROR_RESPOND_TIMEOUT:
- // {
- // eErrStatus = MB_MRE_TIMEDOUT;
- // break;
- // }
- // case EV_MASTER_ERROR_RECEIVE_DATA:
- // {
- // eErrStatus = MB_MRE_REV_DATA;
- // break;
- // }
- // case EV_MASTER_ERROR_EXECUTE_FUNCTION:
- // {
- // eErrStatus = MB_MRE_EXE_FUN;
- // break;
- // }
- // }
- // return eErrStatus;
- //}
- eMBMasterReqErrCode eMBMasterWaitRequestResult( void )
- {
- eMBMasterReqErrCode eErrStatus = MB_MRE_WAIT;
- eMBMasterEventType recvedEvent;
- if(xMasterEvent & (EV_MASTER_PROCESS_SUCESS | EV_MASTER_ERROR_RESPOND_TIMEOUT | EV_MASTER_ERROR_RECEIVE_DATA | EV_MASTER_ERROR_EXECUTE_FUNCTION)){
- recvedEvent = xMasterEvent;
- //xMasterEvent = EV_MASTER_EVENT_NONE;
- switch(recvedEvent){
- case EV_MASTER_PROCESS_SUCESS:
- {
- eErrStatus = MB_MRE_NO_ERR;
- xMasterEvent &= (~EV_MASTER_PROCESS_SUCESS);
- break;
- }
- case EV_MASTER_ERROR_RESPOND_TIMEOUT:
- {
- eErrStatus = MB_MRE_TIMEDOUT;
- xMasterEvent &= (~EV_MASTER_ERROR_RESPOND_TIMEOUT);
- break;
- }
- case EV_MASTER_ERROR_RECEIVE_DATA:
- {
- eErrStatus = MB_MRE_REV_DATA;
- xMasterEvent &= (~EV_MASTER_ERROR_RECEIVE_DATA);
- break;
- }
- case EV_MASTER_ERROR_EXECUTE_FUNCTION:
- {
- eErrStatus = MB_MRE_EXE_FUN;
- xMasterEvent &= (~EV_MASTER_ERROR_EXECUTE_FUNCTION);
- break;
- }
- }
- }
- return eErrStatus;
- }
- #endif
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