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Added extra sub-state for MS/TP from Addendum 135-2008v. Tested with ports/bdk-atxx4-mstp/ code on the BACnet Development Kit. Clean compile on src/mstp.c, ports/at91sam7s and ports/atmega168, but untested. All other changes were not compiled or tested.

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This commit is contained in:
skarg
2010-10-07 15:52:45 +00:00
parent 23eecbc100
commit b54218939e
7 changed files with 99 additions and 23 deletions
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bacnet-stack/src/mstp.c
+11
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@@ -795,6 +795,17 @@ bool MSTP_Master_Node_FSM(
/* before passing the token. */
mstp_port->master_state = MSTP_MASTER_STATE_USE_TOKEN;
transition_now = true;
} else if ((mstp_port->SoleMaster == false) &&
(mstp_port->Next_Station == mstp_port->This_Station)) {
/* NextStationUnknown - added in Addendum 135-2008v-1 */
/* then the next station to which the token
should be sent is unknown - so PollForMaster */
mstp_port->Poll_Station = next_this_station;
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_POLL_FOR_MASTER, mstp_port->Poll_Station,
mstp_port->This_Station, NULL, 0);
mstp_port->RetryCount = 0;
mstp_port->master_state = MSTP_MASTER_STATE_POLL_FOR_MASTER;
} else if (mstp_port->TokenCount < (Npoll - 1)) {
/* Npoll changed in Errata SSPC-135-2004 */
if ((mstp_port->SoleMaster == true) &&