1 files changed, 132 insertions, 0 deletions
diff --git a/apps/include/modbus/mbport.h b/apps/include/modbus/mbport.h
new file mode 100644
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+++ b/apps/include/modbus/mbport.h
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+/* 
+ * FreeModbus Libary: A portable Modbus implementation for Modbus ASCII/RTU.
+ * Copyright (c) 2006 Christian Walter <wolti@sil.at>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * File: $Id: mbport.h,v 1.19 2010/06/06 13:54:40 wolti Exp $
+ */
+
+#ifndef _MB_PORT_H
+#define _MB_PORT_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+PR_BEGIN_EXTERN_C
+#endif
+
+/* ----------------------- Type definitions ---------------------------------*/
+
+typedef enum
+{
+    EV_READY,                   /*!< Startup finished. */
+    EV_FRAME_RECEIVED,          /*!< Frame received. */
+    EV_EXECUTE,                 /*!< Execute function. */
+    EV_FRAME_SENT               /*!< Frame sent. */
+} eMBEventType;
+
+/*! \ingroup modbus
+ * \brief Parity used for characters in serial mode.
+ *
+ * The parity which should be applied to the characters sent over the serial
+ * link. Please note that this values are actually passed to the porting
+ * layer and therefore not all parity modes might be available.
+ */
+typedef enum
+{
+    MB_PAR_NONE,                /*!< No parity. */
+    MB_PAR_ODD,                 /*!< Odd parity. */
+    MB_PAR_EVEN                 /*!< Even parity. */
+} eMBParity;
+
+/* ----------------------- Supporting functions -----------------------------*/
+bool            xMBPortEventInit( void );
+
+bool            xMBPortEventPost( eMBEventType eEvent );
+
+bool            xMBPortEventGet(  /*@out@ */ eMBEventType * eEvent );
+
+/* ----------------------- Serial port functions ----------------------------*/
+
+bool            xMBPortSerialInit( uint8_t ucPort, speed_t ulBaudRate,
+                                   uint8_t ucDataBits, eMBParity eParity );
+
+void            vMBPortClose( void );
+
+void            xMBPortSerialClose( void );
+
+void            vMBPortSerialEnable( bool xRxEnable, bool xTxEnable );
+
+bool            xMBPortSerialGetByte( int8_t * pucByte );
+
+bool            xMBPortSerialPutByte( int8_t ucByte );
+
+/* ----------------------- Timers functions ---------------------------------*/
+bool            xMBPortTimersInit( uint16_t usTimeOut50us );
+
+void            xMBPortTimersClose( void );
+
+void            vMBPortTimersEnable( void );
+
+void            vMBPortTimersDisable( void );
+
+void            vMBPortTimersDelay( uint16_t usTimeOutMS );
+
+/* ----------------------- Callback for the protocol stack ------------------*/
+
+/*!
+ * \brief Callback function for the porting layer when a new byte is
+ *   available.
+ *
+ * Depending upon the mode this callback function is used by the RTU or
+ * ASCII transmission layers. In any case a call to xMBPortSerialGetByte()
+ * must immediately return a new character.
+ *
+ * \return <code>true</code> if a event was posted to the queue because
+ *   a new byte was received. The port implementation should wake up the
+ *   tasks which are currently blocked on the eventqueue.
+ */
+extern          bool( *pxMBFrameCBByteReceived ) ( void );
+
+extern          bool( *pxMBFrameCBTransmitterEmpty ) ( void );
+
+extern          bool( *pxMBPortCBTimerExpired ) ( void );
+
+/* ----------------------- TCP port functions -------------------------------*/
+bool            xMBTCPPortInit( uint16_t usTCPPort );
+
+void            vMBTCPPortClose( void );
+
+void            vMBTCPPortDisable( void );
+
+bool            xMBTCPPortGetRequest( uint8_t **ppucMBTCPFrame, uint16_t * usTCPLength );
+
+bool            xMBTCPPortSendResponse( const uint8_t *pucMBTCPFrame, uint16_t usTCPLength );
+
+#ifdef __cplusplus
+PR_END_EXTERN_C
+#endif
+#endif