wn/libmbus
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added a new function to select a device by it's secondary address

Browse Source
This commit is contained in:
Stefan Wahren 2012-05-20 03:52:15 +02:00
parent d12d7dd052
commit ef630f2e5d
1 changed files with 35 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
mbus/mbus-protocol-aux.c
View File

@ -1695,16 +1695,15 @@ mbus_send_ping_frame(mbus_handle *handle, int address)
}
//------------------------------------------------------------------------------
// Prove for the presence of a device(s) using the supplied secondary address
// (mask).
// Select a device using the supplied secondary address (mask).
//------------------------------------------------------------------------------
int
mbus_probe_secondary_address(mbus_handle * handle, const char *mask, char *matching_addr)
int
mbus_select_secondary_address(mbus_handle * handle, const char *mask)
{
int ret;
mbus_frame reply;
if (mask == NULL || matching_addr == NULL || strlen(mask) != 16)
if (mask == NULL || strlen(mask) != 16)
{
MBUS_ERROR("%s: Invalid address masks.\n", __PRETTY_FUNCTION__);
return MBUS_PROBE_ERROR;
@ -1746,10 +1745,38 @@ mbus_probe_secondary_address(mbus_handle * handle, const char *mask, char *match
{
return MBUS_PROBE_COLLISION;
}
return MBUS_PROBE_SINGLE;
}
MBUS_ERROR("%s: Unexpected reply for address [%s].\n", __PRETTY_FUNCTION__, mask);
return MBUS_PROBE_NOTHING;
}
//------------------------------------------------------------------------------
// Prove for the presence of a device(s) using the supplied secondary address
// (mask).
//------------------------------------------------------------------------------
int
mbus_probe_secondary_address(mbus_handle * handle, const char *mask, char *matching_addr)
{
int ret;
mbus_frame reply;
if (mask == NULL || matching_addr == NULL || strlen(mask) != 16)
{
MBUS_ERROR("%s: Invalid address masks.\n", __PRETTY_FUNCTION__);
return MBUS_PROBE_ERROR;
}
ret = mbus_select_secondary_address(handle, mask);
if (ret == MBUS_PROBE_SINGLE)
{
/* send a data request command to find out the full address */
if (mbus_send_request_frame(handle, 253) == -1)
{
{
MBUS_ERROR("%s: Failed to send request to selected secondary device [mask %s]: %s.\n",
__PRETTY_FUNCTION__,
mask,
@ -1787,10 +1814,8 @@ mbus_probe_secondary_address(mbus_handle * handle, const char *mask, char *match
return MBUS_PROBE_NOTHING;
}
}
MBUS_ERROR("%s: Unexpected reply for address [%s].\n", __PRETTY_FUNCTION__, mask);
return MBUS_PROBE_NOTHING;
return ret;
}