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Sync behaviour from serial to TCP connections

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This commit is contained in:
Stefan Wahren
2012-05-29 21:34:20 +02:00
parent bf12395af9
commit 49b49d077b
4 changed files with 117 additions and 12 deletions
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40
bin/mbus-tcp-scan.c
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@ -27,6 +27,7 @@ main(int argc, char **argv)
mbus_handle *handle;
char *host;
int port, address, debug = 0;
int ret;
if (argc == 3)
{
@ -59,11 +60,13 @@ main(int argc, char **argv)
if (debug)
printf("Scanning primary addresses:\n");
for (address = 0; address < 254; address++)
for (address = 0; address <= 250; address++)
{
mbus_frame reply;
memset((void *)&reply, 0, sizeof(mbus_frame));
if (debug)
{
printf("%d ", address);
@ -75,16 +78,41 @@ main(int argc, char **argv)
printf("Scan failed. Could not send ping frame: %s\n", mbus_error_str());
return 1;
}
ret = mbus_recv_frame(handle, &reply);
if (mbus_recv_frame(handle, &reply) == -1)
if (ret == -1)
{
continue;
}
}
if (debug)
printf("\n");
if (ret == -2)
{
/* check for more data (collision) */
while (mbus_recv_frame(handle, &reply) != -1);
printf("Collision at address %d\n", address);
continue;
}
if (mbus_frame_type(&reply) == MBUS_FRAME_TYPE_ACK)
{
if (debug)
printf("\n");
/* check for more data (collision) */
while (mbus_recv_frame(handle, &reply) != -1)
{
ret = -2;
}
if (ret == -2)
{
printf("Collision at address %d\n", address);
continue;
}
printf("Found a M-Bus device at address %d\n", address);
}