First commit

2026-08-25 10:37:57 +08:00
commit b3b8a40f77
1601 changed files with 275999 additions and 0 deletions
@@ -0,0 +1,72 @@
+/*
+ * FreeModbus Libary: Win32 Port
+ * Copyright (C) 2006 Christian Walter <wolti@sil.at>
+ *
+ * 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 1.1 2007/09/12 10:15:56 wolti Exp $
+ */
+
+ /**********************************************************
+ *	Linux TCP support.
+ *	Based on Walter's project. 
+ *	Modified by Steven Guo <gotop167@163.com>
+ ***********************************************************/
+
+/* ----------------------- Modbus includes ----------------------------------*/
+#include "mb.h"
+#include "mbport.h"
+
+/* ----------------------- Variables ----------------------------------------*/
+static eMBEventType eQueuedEvent;
+static BOOL     xEventInQueue;
+
+/* ----------------------- Function prototypes ------------------------------*/
+BOOL            xMBPortTCPPool( void );
+
+/* ----------------------- Start implementation -----------------------------*/
+BOOL
+xMBPortEventInit( void )
+{
+    xEventInQueue = FALSE;
+    return TRUE;
+}
+
+BOOL
+xMBPortEventPost( eMBEventType eEvent )
+{
+    xEventInQueue = TRUE;
+    eQueuedEvent = eEvent;
+    return TRUE;
+}
+
+BOOL
+xMBPortEventGet( eMBEventType * eEvent )
+{
+    BOOL            xEventHappened = FALSE;
+
+    if( xEventInQueue )
+    {
+        *eEvent = eQueuedEvent;
+        xEventInQueue = FALSE;
+        xEventHappened = TRUE;
+    }
+    else
+    {
+        /* We can't do anything with errors from the pooling module. */
+        ( void )xMBPortTCPPool(  );
+    }
+    return xEventHappened;
+}