import of www.freescada.com/public-dist/libmbus-0.7.0.tar.gz

2012-02-16 15:46:48 +01:00
commit 19135a6bc1
89 changed files with 85783 additions and 0 deletions
--- a/bin/mbus-tcp-select-secondary.c
+++ b/bin/mbus-tcp-select-secondary.c
@ -0,0 +1,104 @@
+//------------------------------------------------------------------------------
+// Copyright (C) 2011, Robert Johansson, Raditex AB
+// All rights reserved.
+//
+// FreeSCADA 
+// http://www.FreeSCADA.com
+// freescada@freescada.com
+//
+//------------------------------------------------------------------------------
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <stdio.h>
+#include <mbus/mbus.h>
+
+
+//------------------------------------------------------------------------------
+// Execution starts here:
+//------------------------------------------------------------------------------
+int
+main(int argc, char **argv)
+{
+    mbus_handle *handle;
+    mbus_frame reply;
+    char *host, *addr;
+    int port, address, ret;
+
+    if (argc != 4)
+    {
+        printf("usage: %s host port secondary-mbus-address\n", argv[0]);
+        return 0;
+    }
+ 
+    host = argv[1];   
+    port = atoi(argv[2]);
+    addr = strdup(argv[3]);
+
+    if (strlen(argv[3]) != 16)
+    {
+        printf("Misformatted secondary address. Must be 16 character HEX number.\n");
+        return -1;
+    }
+
+    if ((handle = mbus_connect_tcp(host, port)) == NULL)
+    {
+        printf("Failed to setup connection to M-bus gateway: %s\n", mbus_error_str());
+        return -1;
+    }
+
+    if (mbus_send_select_frame(handle, addr) == -1)
+    {
+        printf("Failed to send selection frame: %s\n", mbus_error_str());
+        return -1; 
+    }
+
+    ret = mbus_recv_frame(handle, &reply);
+
+    if (ret == -1)
+    {
+        printf("No reply from device with secondary address %s: %s\n", argv[3], mbus_error_str());
+        return -1;
+    }    
+
+    if (ret == -2)
+    {
+        printf("Invalid reply from %s: The address address probably match more than one device: %s\n", argv[3], mbus_error_str());
+        return -1;
+    }
+
+    if (mbus_frame_type(&reply) == MBUS_FRAME_TYPE_ACK)
+    {
+        if (mbus_send_request_frame(handle, 253) == -1)
+	    {
+            printf("Failed to send request to selected secondary device: %s\n", mbus_error_str());
+            return -1;
+        }
+
+        if (mbus_recv_frame(handle, &reply) == -1)
+        {
+            printf("Failed to recieve reply from selected secondary device: %s\n", mbus_error_str());
+            return -1;
+        }
+
+        if (mbus_frame_type(&reply) != MBUS_FRAME_TYPE_ACK)
+        {
+            printf("Recieved a reply from secondarily addressed device: Searched for [%s] and found [%s].\n",
+                   argv[3], mbus_frame_get_secondary_address(&reply));
+        }
+    }
+    else
+    {
+        printf("Unknown reply:\n");
+        mbus_frame_print(&reply);
+    }
+ 
+    free(addr);
+    mbus_disconnect(handle);
+    return 0;
+}
+