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This commit is contained in:
skarg
2007-11-29 16:39:48 +00:00
parent 06d23fcf1f
commit 1477603af6
123 changed files with 1994 additions and 1688 deletions
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bacnet-stack/ports/pic18f6720/mstp.c
+36 -49
View File
@@ -506,7 +506,8 @@ void MSTP_Receive_Frame_FSM(
#endif
/* DataOctet */
if (mstp_port->Index < mstp_port->DataLength) {
mstp_port->DataCRC = CRC_Calc_Data(mstp_port->DataRegister,
mstp_port->DataCRC =
CRC_Calc_Data(mstp_port->DataRegister,
mstp_port->DataCRC);
mstp_port->InputBuffer[mstp_port->Index] =
mstp_port->DataRegister;
@@ -515,14 +516,16 @@ void MSTP_Receive_Frame_FSM(
}
/* CRC1 */
else if (mstp_port->Index == mstp_port->DataLength) {
mstp_port->DataCRC = CRC_Calc_Data(mstp_port->DataRegister,
mstp_port->DataCRC =
CRC_Calc_Data(mstp_port->DataRegister,
mstp_port->DataCRC);
mstp_port->Index++;
mstp_port->receive_state = MSTP_RECEIVE_STATE_DATA;
}
/* CRC2 */
else if (mstp_port->Index == (mstp_port->DataLength + 1)) {
mstp_port->DataCRC = CRC_Calc_Data(mstp_port->DataRegister,
mstp_port->DataCRC =
CRC_Calc_Data(mstp_port->DataRegister,
mstp_port->DataCRC);
/* STATE DATA CRC - no need for new state */
/* indicate the complete reception of a valid frame */
@@ -570,26 +573,21 @@ bool MSTP_Master_Node_FSM(
#endif
/* some calculations that several states need */
next_poll_station = (mstp_port->Poll_Station + 1) %
(mstp_port->Nmax_master + 1);
next_this_station = (mstp_port->This_Station + 1) %
(mstp_port->Nmax_master + 1);
next_next_station = (mstp_port->Next_Station + 1) %
(mstp_port->Nmax_master + 1);
next_poll_station =
(mstp_port->Poll_Station + 1) % (mstp_port->Nmax_master + 1);
next_this_station =
(mstp_port->This_Station + 1) % (mstp_port->Nmax_master + 1);
next_next_station =
(mstp_port->Next_Station + 1) % (mstp_port->Nmax_master + 1);
#if PRINT_ENABLED_MASTER
if (mstp_port->master_state != master_state) {
master_state = mstp_port->master_state;
fprintf(stderr,
"MSTP: TS=%02X[%02X] NS=%02X[%02X] PS=%02X[%02X] EC=%u TC=%u ST=%u %s\n",
mstp_port->This_Station,
next_this_station,
mstp_port->Next_Station,
next_next_station,
mstp_port->Poll_Station,
next_poll_station,
mstp_port->EventCount,
mstp_port->TokenCount,
mstp_port->SilenceTimer,
mstp_port->This_Station, next_this_station,
mstp_port->Next_Station, next_next_station,
mstp_port->Poll_Station, next_poll_station, mstp_port->EventCount,
mstp_port->TokenCount, mstp_port->SilenceTimer,
mstptext_master_state(mstp_port->master_state));
}
#endif
@@ -625,17 +623,14 @@ bool MSTP_Master_Node_FSM(
#if PRINT_ENABLED_MASTER
fprintf(stderr,
"MSTP: ReceivedValidFrame Src=%02X Dest=%02X DataLen=%u FC=%u ST=%u Type=%s\n",
mstp_port->SourceAddress,
mstp_port->DestinationAddress,
mstp_port->DataLength,
mstp_port->FrameCount,
mstp_port->SourceAddress, mstp_port->DestinationAddress,
mstp_port->DataLength, mstp_port->FrameCount,
mstp_port->SilenceTimer,
mstptext_frame_type(mstp_port->FrameType));
#endif
/* destined for me! */
if ((mstp_port->DestinationAddress ==
mstp_port->This_Station) ||
(mstp_port->DestinationAddress ==
if ((mstp_port->DestinationAddress == mstp_port->This_Station)
|| (mstp_port->DestinationAddress ==
MSTP_BROADCAST_ADDRESS)) {
switch (mstp_port->FrameType) {
/* ReceivedToken */
@@ -827,10 +822,9 @@ bool MSTP_Master_Node_FSM(
/* address at which a new master node may be found in that case. */
mstp_port->TokenCount++;
/* transmit a Token frame to NS */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_TOKEN,
mstp_port->Next_Station,
mstp_port->This_Station, NULL, 0);
MSTP_Create_And_Send_Frame(mstp_port, FRAME_TYPE_TOKEN,
mstp_port->Next_Station, mstp_port->This_Station, NULL,
0);
mstp_port->RetryCount = 0;
mstp_port->EventCount = 0;
mstp_port->master_state = MSTP_MASTER_STATE_PASS_TOKEN;
@@ -854,10 +848,9 @@ bool MSTP_Master_Node_FSM(
/* ResetMaintenancePFM */
mstp_port->Poll_Station = mstp_port->This_Station;
/* transmit a Token frame to NS */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_TOKEN,
mstp_port->Next_Station,
mstp_port->This_Station, NULL, 0);
MSTP_Create_And_Send_Frame(mstp_port, FRAME_TYPE_TOKEN,
mstp_port->Next_Station, mstp_port->This_Station, NULL,
0);
mstp_port->RetryCount = 0;
mstp_port->TokenCount = 1; /* changed in Errata SSPC-135-2004 */
mstp_port->EventCount = 0;
@@ -867,8 +860,8 @@ bool MSTP_Master_Node_FSM(
/* SendMaintenancePFM */
mstp_port->Poll_Station = next_poll_station;
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_POLL_FOR_MASTER,
mstp_port->Poll_Station, mstp_port->This_Station, NULL, 0);
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;
}
@@ -889,8 +882,7 @@ bool MSTP_Master_Node_FSM(
/* RetrySendToken */
mstp_port->RetryCount++;
/* Transmit a Token frame to NS */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_TOKEN,
MSTP_Create_And_Send_Frame(mstp_port, FRAME_TYPE_TOKEN,
mstp_port->Next_Station, mstp_port->This_Station, NULL,
0);
mstp_port->EventCount = 0;
@@ -902,9 +894,8 @@ bool MSTP_Master_Node_FSM(
mstp_port->Poll_Station = next_next_station;
/* Transmit a Poll For Master frame to PS. */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_POLL_FOR_MASTER,
mstp_port->Poll_Station, mstp_port->This_Station, NULL,
0);
FRAME_TYPE_POLL_FOR_MASTER, mstp_port->Poll_Station,
mstp_port->This_Station, NULL, 0);
/* no known successor node */
mstp_port->Next_Station = mstp_port->This_Station;
mstp_port->RetryCount = 0;
@@ -940,9 +931,8 @@ bool MSTP_Master_Node_FSM(
mstp_port->Poll_Station = next_this_station;
/* Transmit a Poll For Master frame to PS. */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_POLL_FOR_MASTER,
mstp_port->Poll_Station, mstp_port->This_Station, NULL,
0);
FRAME_TYPE_POLL_FOR_MASTER, mstp_port->Poll_Station,
mstp_port->This_Station, NULL, 0);
/* indicate that the next station is unknown */
mstp_port->Next_Station = mstp_port->This_Station;
mstp_port->RetryCount = 0;
@@ -967,8 +957,7 @@ bool MSTP_Master_Node_FSM(
mstp_port->Next_Station = mstp_port->SourceAddress;
mstp_port->EventCount = 0;
/* Transmit a Token frame to NS */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_TOKEN,
MSTP_Create_And_Send_Frame(mstp_port, FRAME_TYPE_TOKEN,
mstp_port->Next_Station, mstp_port->This_Station, NULL,
0);
mstp_port->Poll_Station = mstp_port->This_Station;
@@ -1002,8 +991,7 @@ bool MSTP_Master_Node_FSM(
/* poll for a master at address PS. */
mstp_port->EventCount = 0;
/* transmit a Token frame to NS */
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_TOKEN,
MSTP_Create_And_Send_Frame(mstp_port, FRAME_TYPE_TOKEN,
mstp_port->Next_Station, mstp_port->This_Station,
NULL, 0);
mstp_port->RetryCount = 0;
@@ -1073,8 +1061,7 @@ bool MSTP_Master_Node_FSM(
/* and enter the IDLE state. */
{
MSTP_Create_And_Send_Frame(mstp_port,
FRAME_TYPE_REPLY_POSTPONED,
mstp_port->SourceAddress,
FRAME_TYPE_REPLY_POSTPONED, mstp_port->SourceAddress,
mstp_port->This_Station, NULL, 0);
mstp_port->master_state = MSTP_MASTER_STATE_IDLE;
}