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

bin/mbus-serial-scan-secondary.c

@@ -0,0 +1,88 @@
+//------------------------------------------------------------------------------
+// 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>
+
+//------------------------------------------------------------------------------
+// Scan for devices using secondary addressing.
+//------------------------------------------------------------------------------
+int
+main(int argc, char **argv)
+{
+    char *device, *addr_mask;
+    int address, baudrate = 9600;
+    mbus_handle *handle = NULL;
+
+    if (argc == 2)
+    {
+        device = argv[1];   
+        addr_mask = strdup("FFFFFFFFFFFFFFFF");
+    }
+    else if (argc == 3)
+    {
+        device = argv[1];   
+        addr_mask = strdup(argv[2]);
+    }
+    else if (argc == 4 && strcmp(argv[1], "-b") == 0)
+    {
+        baudrate = atoi(argv[2]);
+        device = argv[3];   
+        addr_mask = strdup("FFFFFFFFFFFFFFFF");
+    }
+    else if (argc == 5 && strcmp(argv[1], "-b") == 0)
+    {
+        baudrate = atoi(argv[2]);
+        device = argv[3];   
+        addr_mask = strdup(argv[4]);
+    }
+    else 
+    {
+        fprintf(stderr, "usage: %s [-b BAUDRATE] device [address-mask]\n", argv[0]);
+        fprintf(stderr, "\trestrict the search by supplying an optional address mask on the form\n");
+        fprintf(stderr, "\t'FFFFFFFFFFFFFFFF' where F is a wildcard character\n");
+        return 0;
+    }
+ 
+    if (strlen(addr_mask) != 16)
+    {
+        fprintf(stderr, "Misformatted secondary address mask. Must be 16 character HEX number.\n");
+        return -1;
+    }
+
+    if ((handle = mbus_connect_serial(device)) == NULL)
+    {
+        fprintf(stderr, "Failed to setup connection to M-bus gateway: %s\n", mbus_error_str());
+        return -1;
+    }
+
+    if (mbus_serial_set_baudrate(handle->m_serial_handle, baudrate) == -1)
+    {
+        printf("Failed to set baud rate.\n");
+        return -1;
+    }
+
+    mbus_scan_2nd_address_range(handle, 0, addr_mask);
+
+    mbus_disconnect(handle);
+
+    //printf("Summary: Tried %ld address masks and found %d devices.\n", probe_count, match_count);
+
+    free(addr_mask);
+
+    return 0;
+}
+