//------------------------------------------------------------------------------
// Scan for devices using secondary addressing.
//------------------------------------------------------------------------------
int
main(int argc, char **argv)
{
mbus_frame reply;
mbus_handle *handle = NULL;
char *device, *addr_str, *xml_result;
int address;
long baudrate = 9600;
int maxframes = MAXFRAMES;
memset((void *)&reply, 0, sizeof(mbus_frame));
int c;
for (c=1; c<argc-2; c++)
{
if (strcmp(argv[c], "-d") == 0)
{
debug = 1;
}
else if (strcmp(argv[c], "-b") == 0)
{
c++;
baudrate = atol(argv[c]);
}
else if (strcmp(argv[c], "-f") == 0)
{
c++;
maxframes = atoi(argv[c]);
}
else
{
parse_abort(argv);
}
}
if (c > argc-2)
{
parse_abort(argv);
}
device = argv[c];
addr_str = argv[c+1];
if ((handle = mbus_context_serial(device)) == NULL)
{
fprintf(stderr, "Could not initialize M-Bus context: %s\n", mbus_error_str());
return 1;
}
if (debug)
{
mbus_register_send_event(handle, &mbus_dump_send_event);
mbus_register_recv_event(handle, &mbus_dump_recv_event);
}
if (mbus_connect(handle) == -1)
{
fprintf(stderr,"Failed to setup connection to M-bus gateway\n");
mbus_context_free(handle);
return 1;
}
if (mbus_serial_set_baudrate(handle, baudrate) == -1)
{
fprintf(stderr,"Failed to set baud rate.\n");
mbus_disconnect(handle);
mbus_context_free(handle);
return 1;
}
if (mbus_init_slaves_str(handle,addr_str,debug) == 0)
{
fprintf(stderr,"Failed to send reset ping to %s\n",addr_str);
mbus_disconnect(handle);
mbus_context_free(handle);
return 1;
}
if (mbus_is_secondary_address(addr_str))
{
// secondary addressing
int ret;
ret = mbus_select_secondary_address(handle, addr_str);
if (ret == MBUS_PROBE_COLLISION)
{
fprintf(stderr, "%s: Error: The address mask [%s] matches more than one device.\n", __PRETTY_FUNCTION__, addr_str);
mbus_disconnect(handle);
mbus_context_free(handle);
return 1;
}
else if (ret == MBUS_PROBE_NOTHING)
{
fprintf(stderr, "%s: Error: The selected secondary address does not match any device [%s].\n", __PRETTY_FUNCTION__, addr_str);
mbus_disconnect(handle);
mbus_context_free(handle);
return 1;
}
else if (ret == MBUS_PROBE_ERROR)
{
fprintf(stderr, "%s: Error: Failed to select secondary address [%s].\n", __PRETTY_FUNCTION__, addr_str);
mbus_disconnect(handle);
mbus_context_free(handle);
return 1;
}
// else MBUS_PROBE_SINGLE
address = MBUS_ADDRESS_NETWORK_LAYER;
}
else
{
// primary addressing
address = atoi(addr_str);
}
// instead of the send and recv, use this sendrecv function that
// takes care of the possibility of multi-telegram replies (limit = 16 frames)
if (mbus_sendrecv_request(handle, address, &reply, maxframes) != 0)
{
fprintf(stderr, "Failed to send/receive M-Bus request.\n");
mbus_disconnect(handle);
mbus_context_free(handle);
mbus_frame_free(reply.next);
return 1;
}
//
// dump hex data if debug is true
//
if (debug)
{
mbus_frame_print(&reply);
}
//
// generate XML and print to standard output
//
if ((xml_result = mbus_frame_xml(&reply)) == NULL)
{
fprintf(stderr, "Failed to generate XML representation of MBUS frames: %s\n", mbus_error_str());
mbus_disconnect(handle);
mbus_context_free(handle);
mbus_frame_free(reply.next);
return 1;
}
printf("%s", xml_result);
free(xml_result);
mbus_disconnect(handle);
mbus_context_free(handle);
mbus_frame_free(reply.next);
return 0;
}
//------------------------------------------------------------------------------
// Scan for devices using secondary addressing.
//------------------------------------------------------------------------------
int
main(int argc, char **argv)
{
mbus_frame *frame, reply;
mbus_frame_data reply_data;
mbus_handle *handle = NULL;
char *device, *addr_str, *xml_result;
int address, baudrate = 9600;
memset((void *)&reply, 0, sizeof(mbus_frame));
memset((void *)&reply_data, 0, sizeof(mbus_frame_data));
if (argc == 3)
{
device = argv[1];
addr_str = argv[2];
}
else if (argc == 4 && strcmp(argv[1], "-d") == 0)
{
device = argv[2];
addr_str = argv[3];
debug = 1;
}
else if (argc == 5 && strcmp(argv[1], "-b") == 0)
{
baudrate = atoi(argv[2]);
device = argv[3];
addr_str = argv[4];
}
else if (argc == 6 && strcmp(argv[1], "-d") == 0 && strcmp(argv[2], "-b") == 0)
{
baudrate = atoi(argv[3]);
device = argv[4];
addr_str = argv[5];
debug = 1;
}
else
{
fprintf(stderr, "usage: %s [-d] [-b BAUDRATE] device mbus-address\n", argv[0]);
fprintf(stderr, " optional flag -d for debug printout\n");
fprintf(stderr, " optional flag -b for selecting baudrate\n");
return 0;
}
if (debug)
{
mbus_register_send_event(&mbus_dump_send_event);
mbus_register_recv_event(&mbus_dump_recv_event);
}
if ((handle = mbus_context_serial(device)) == NULL)
{
fprintf(stderr, "Could not initialize M-Bus context: %s\n", mbus_error_str());
return 1;
}
if (mbus_connect(handle) == -1)
{
printf("Failed to setup connection to M-bus gateway\n");
return 1;
}
if (mbus_serial_set_baudrate(handle, baudrate) == -1)
{
printf("Failed to set baud rate.\n");
return 1;
}
//
// init slave to get really the beginning of the records
//
frame = mbus_frame_new(MBUS_FRAME_TYPE_SHORT);
if (frame == NULL)
{
fprintf(stderr, "Failed to allocate mbus frame.\n");
return 1;
}
frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S;
frame->address = MBUS_ADDRESS_NETWORK_LAYER;
if (debug)
printf("%s: debug: sending init frame #1\n", __PRETTY_FUNCTION__);
if (mbus_send_frame(handle, frame) == -1)
{
fprintf(stderr, "Failed to send mbus frame.\n");
mbus_frame_free(frame);
return 1;
}
mbus_purge_frames(handle);
//
// resend SND_NKE, maybe the first get lost
//
frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S;
frame->address = MBUS_ADDRESS_NETWORK_LAYER;
if (debug)
printf("%s: debug: sending init frame #2\n", __PRETTY_FUNCTION__);
if (mbus_send_frame(handle, frame) == -1)
{
fprintf(stderr, "Failed to send mbus frame.\n");
mbus_frame_free(frame);
return 1;
}
mbus_purge_frames(handle);
if (strlen(addr_str) == 16)
{
// secondary addressing
int ret;
ret = mbus_select_secondary_address(handle, addr_str);
if (ret == MBUS_PROBE_COLLISION)
{
fprintf(stderr, "%s: Error: The address mask [%s] matches more than one device.\n", __PRETTY_FUNCTION__, addr_str);
return 1;
}
else if (ret == MBUS_PROBE_NOTHING)
{
fprintf(stderr, "%s: Error: The selected secondary address does not match any device [%s].\n", __PRETTY_FUNCTION__, addr_str);
return 1;
}
else if (ret == MBUS_PROBE_ERROR)
{
fprintf(stderr, "%s: Error: Failed to select secondary address [%s].\n", __PRETTY_FUNCTION__, addr_str);
return 1;
}
// else MBUS_PROBE_SINGLE
address = 253;
}
else
{
// primary addressing
address = atoi(addr_str);
}
// instead of the send and recv, use this sendrecv function that
// takes care of the possibility of multi-telegram replies (limit = 16 frames)
if (mbus_sendrecv_request(handle, address, &reply, 16) != 0)
{
fprintf(stderr, "Failed to send/receive M-Bus request.\n");
return 1;
}
//
// dump hex data if debug is true
//
if (debug)
{
mbus_frame_print(&reply);
}
//
// generate XML and print to standard output
//
if ((xml_result = mbus_frame_xml(&reply)) == NULL)
{
fprintf(stderr, "Failed to generate XML representation of MBUS frames: %s\n", mbus_error_str());
return 1;
}
printf("%s", xml_result);
free(xml_result);
mbus_disconnect(handle);
mbus_context_free(handle);
return 0;
}