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.
This commit is contained in:
@@ -866,9 +866,19 @@ static bool MSTP_Master_Node_FSM(
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/* before passing the token. */
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Master_State = MSTP_MASTER_STATE_USE_TOKEN;
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transition_now = true;
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}
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/* Npoll changed in Errata SSPC-135-2004 */
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else if (TokenCount < (Npoll - 1)) {
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} else if ((MSTP_Flag.SoleMaster == false) &&
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(Next_Station == This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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Poll_Station = next_this_station;
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MSTP_Send_Frame(
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FRAME_TYPE_POLL_FOR_MASTER, Poll_Station,
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This_Station, NULL, 0);
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RetryCount = 0;
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Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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} else if (TokenCount < (Npoll - 1)) {
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/* Npoll changed in Errata SSPC-135-2004 */
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if ((MSTP_Flag.SoleMaster == true) &&
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(Next_Station != next_this_station)) {
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/* SoleMaster */
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@@ -783,6 +783,17 @@ static bool MSTP_Master_Node_FSM(
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/* before passing the token. */
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Master_State = MSTP_MASTER_STATE_USE_TOKEN;
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transition_now = true;
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} else if ((MSTP_Flag.SoleMaster == false) &&
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(Next_Station == This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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Poll_Station = next_this_station;
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MSTP_Send_Frame(
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FRAME_TYPE_POLL_FOR_MASTER, Poll_Station,
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This_Station, NULL, 0);
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RetryCount = 0;
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Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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}
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/* Npoll changed in Errata SSPC-135-2004 */
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else if (TokenCount < (Npoll - 1)) {
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@@ -888,6 +888,17 @@ static bool MSTP_Master_Node_FSM(
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/* before passing the token. */
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Master_State = MSTP_MASTER_STATE_USE_TOKEN;
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transition_now = true;
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} else if ((MSTP_Flag.SoleMaster == false) &&
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(Next_Station == This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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Poll_Station = next_this_station;
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MSTP_Send_Frame(
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FRAME_TYPE_POLL_FOR_MASTER, Poll_Station,
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This_Station, NULL, 0);
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RetryCount = 0;
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Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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}
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/* Npoll changed in Errata SSPC-135-2004 */
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else if (TokenCount < (Npoll - 1)) {
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@@ -884,6 +884,17 @@ static bool MSTP_Master_Node_FSM(
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/* before passing the token. */
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Master_State = MSTP_MASTER_STATE_USE_TOKEN;
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transition_now = true;
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} else if ((MSTP_Flag.SoleMaster == false) &&
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(Next_Station == This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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Poll_Station = next_this_station;
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MSTP_Send_Frame(
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FRAME_TYPE_POLL_FOR_MASTER, Poll_Station,
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This_Station, NULL, 0);
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RetryCount = 0;
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Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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}
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/* Npoll changed in Errata SSPC-135-2004 */
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else if (TokenCount < (Npoll - 1)) {
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@@ -799,6 +799,17 @@ bool MSTP_Master_Node_FSM(
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/* before passing the token. */
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mstp_port->master_state = MSTP_MASTER_STATE_USE_TOKEN;
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transition_now = true;
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} else if ((MSTP_Flag.SoleMaster == false) &&
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(Next_Station == This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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Poll_Station = next_this_station;
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MSTP_Send_Frame(
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FRAME_TYPE_POLL_FOR_MASTER, Poll_Station,
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This_Station, NULL, 0);
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RetryCount = 0;
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Master_State = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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}
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/* Npoll changed in Errata SSPC-135-2004 */
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else if (mstp_port->TokenCount < (Npoll - 1)) {
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@@ -938,6 +938,17 @@ bool MSTP_Master_Node_FSM(
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/* then this node may send another information frame */
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/* before passing the token. */
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mstp_port->master_state = MSTP_MASTER_STATE_USE_TOKEN;
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} else if ((mstp_port->SoleMaster == false) &&
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(mstp_port->Next_Station == mstp_port->This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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mstp_port->Poll_Station = next_this_station;
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MSTP_Create_And_Send_Frame(mstp_port,
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FRAME_TYPE_POLL_FOR_MASTER, mstp_port->Poll_Station,
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mstp_port->This_Station, NULL, 0);
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mstp_port->RetryCount = 0;
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mstp_port->master_state = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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}
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/* Npoll changed in Errata SSPC-135-2004 */
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else if (mstp_port->TokenCount < (Npoll - 1)) {
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@@ -795,6 +795,17 @@ bool MSTP_Master_Node_FSM(
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/* before passing the token. */
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mstp_port->master_state = MSTP_MASTER_STATE_USE_TOKEN;
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transition_now = true;
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} else if ((mstp_port->SoleMaster == false) &&
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(mstp_port->Next_Station == mstp_port->This_Station)) {
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/* NextStationUnknown - added in Addendum 135-2008v-1 */
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/* then the next station to which the token
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should be sent is unknown - so PollForMaster */
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mstp_port->Poll_Station = next_this_station;
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MSTP_Create_And_Send_Frame(mstp_port,
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FRAME_TYPE_POLL_FOR_MASTER, mstp_port->Poll_Station,
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mstp_port->This_Station, NULL, 0);
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mstp_port->RetryCount = 0;
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mstp_port->master_state = MSTP_MASTER_STATE_POLL_FOR_MASTER;
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} else if (mstp_port->TokenCount < (Npoll - 1)) {
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/* Npoll changed in Errata SSPC-135-2004 */
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if ((mstp_port->SoleMaster == true) &&
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