void FM_ReleaseTablePointers(void)
{
/* Release pointer to file system free space table */
CFE_TBL_ReleaseAddress(FM_GlobalData.FreeSpaceTableHandle);
/* Prevent table pointer use while released */
FM_GlobalData.FreeSpaceTablePtr = (FM_FreeSpaceTable_t *) NULL;
return;
} /* End FM_ReleaseTablePointers */
void TT_AccessCurrentData(void)
{
void *TblPointer;
int32 Status;
CFE_TBL_Manage(TT4_AppData.TblHandle);
Status = CFE_TBL_GetAddress(&TblPointer,TT4_AppData.TblHandle);
if (Status == CFE_TBL_INFO_UPDATED)
{
TT4_AppData.HkPacket.UpdateCount++;
}
UTF_put_text("The current table values are:%d %d %d %d\n",
*(int8*)TblPointer,*(int8*)(TblPointer+1),
*(int8*)(TblPointer+2),*(int8*)(TblPointer+3));
Status = CFE_TBL_ReleaseAddress(TT4_AppData.TblHandle);
} /*TT_AccessCurrentData*/
void MD_UpdateTableSignature (uint16 TableIndex,
char NewSignature[MD_SIGNATURE_FIELD_LENGTH])
{
int32 GetAddressResult;
MD_DwellTableLoad_t *MD_LoadTablePtr;
/* Get pointer to Table */
GetAddressResult = CFE_TBL_GetAddress((void*)&MD_LoadTablePtr,
MD_AppData.MD_TableHandle[TableIndex]);
/* Copy Signature to dwell structure */
strncpy ( MD_LoadTablePtr->Signature, NewSignature, MD_SIGNATURE_FIELD_LENGTH);
/* Notify Table Services that buffer was modified */
CFE_TBL_Modified (MD_AppData.MD_TableHandle[TableIndex]);
/* Release access to Table Services buffer */
CFE_TBL_ReleaseAddress (MD_AppData.MD_TableHandle[TableIndex]);
return;
}
void MD_UpdateTableEnabledField (uint16 TableIndex, uint16 FieldValue)
{
int32 GetAddressResult;
MD_DwellTableLoad_t *MD_LoadTablePtr;
GetAddressResult = CFE_TBL_GetAddress((void*)&MD_LoadTablePtr,
MD_AppData.MD_TableHandle[TableIndex]);
if (FieldValue == MD_DWELL_STREAM_ENABLED)
{
MD_LoadTablePtr->Enabled = MD_DWELL_STREAM_ENABLED;
}
else if (FieldValue == MD_DWELL_STREAM_DISABLED)
{
MD_LoadTablePtr->Enabled = MD_DWELL_STREAM_DISABLED;
}
CFE_TBL_Modified (MD_AppData.MD_TableHandle[TableIndex]);
CFE_TBL_ReleaseAddress (MD_AppData.MD_TableHandle[TableIndex]);
return;
} /* End of MD_UpdateTableEnabledField */
void MD_UpdateTableDwellEntry (uint16 TableIndex,
uint16 EntryIndex,
uint16 NewLength,
uint16 NewDelay,
CFS_SymAddr_t NewDwellAddress)
{
int32 GetAddressResult;
MD_DwellTableLoad_t *MD_LoadTablePtr;
MD_TableLoadEntry_t *EntryPtr;
/* Get pointer to Table */
GetAddressResult = CFE_TBL_GetAddress((void*)&MD_LoadTablePtr,
MD_AppData.MD_TableHandle[TableIndex]);
/* Get pointer to specific entry */
EntryPtr = &MD_LoadTablePtr->Entry[EntryIndex];
/* Copy new numerical values to Table Services buffer */
EntryPtr->Length = NewLength;
EntryPtr->Delay = NewDelay;
EntryPtr->DwellAddress.Offset = NewDwellAddress.Offset;
/* Copy symbol name to Table Services buffer */
strncpy(EntryPtr->DwellAddress.SymName,
NewDwellAddress.SymName,
OS_MAX_SYM_LEN);
/* Ensure string is null terminated. */
EntryPtr->DwellAddress.SymName[OS_MAX_SYM_LEN - 1] = '\0';
/* Notify Table Services that buffer was modified */
CFE_TBL_Modified (MD_AppData.MD_TableHandle[TableIndex]);
/* Release access to Table Services buffer */
CFE_TBL_ReleaseAddress (MD_AppData.MD_TableHandle[TableIndex]);
return;
} /* End of MD_UpdateTableDwellEntry */
void TT_AppInit(void)
{
void *TblPointer;
int32 Status;
/*
** Initialize app command execution counters...
*/
TT4_AppData.CmdCount = 0;
TT4_AppData.ErrCount = 0;
TT4_AppData.HkPacket.UpdateCount = 0;
/*
** Initialize app configuration data...
*/
strcpy(TT4_AppData.PipeName, "TT_CMD_PIPE");
TT4_AppData.PipeDepth = 12;
TT4_AppData.LimitHK = 2;
TT4_AppData.LimitCmd = 4;
/*
** Initialize event filter table...
*/
TT4_AppData.EventFilters[0].EventID = TT_INIT_INF_EID;
TT4_AppData.EventFilters[0].Mask = CFE_EVS_NO_FILTER;
TT4_AppData.EventFilters[1].EventID = TT_NOOP_INF_EID;
TT4_AppData.EventFilters[1].Mask = CFE_EVS_NO_FILTER;
TT4_AppData.EventFilters[2].EventID = TT_RESET_INF_EID;
TT4_AppData.EventFilters[2].Mask = CFE_EVS_NO_FILTER;
TT4_AppData.EventFilters[3].EventID = TT_MID_ERR_EID;
TT4_AppData.EventFilters[3].Mask = CFE_EVS_NO_FILTER;
TT4_AppData.EventFilters[4].EventID = TT_CC1_ERR_EID;
TT4_AppData.EventFilters[4].Mask = CFE_EVS_NO_FILTER;
TT4_AppData.EventFilters[5].EventID = TT_LEN_ERR_EID;
TT4_AppData.EventFilters[5].Mask = CFE_EVS_NO_FILTER;
/*
** Register event filter table...
*/
CFE_EVS_Register(TT4_AppData.EventFilters,
TT_EVT_COUNT,
CFE_EVS_BINARY_FILTER);
/*
** Initialize housekeeping packet (clear user data area)...
*/
CFE_SB_InitMsg(&TT4_AppData.HkPacket,
CFE_TT_HK_TLM_MID,
sizeof(TT_HkPacket_t), TRUE);
/*
** Create Software Bus message pipe...
*/
CFE_SB_CreatePipe(&TT4_AppData.CmdPipe,
TT4_AppData.PipeDepth,
TT4_AppData.PipeName);
/*
** Subscribe to Housekeeping request commands...
*/
CFE_SB_Subscribe(CFE_TT_SEND_HK_MID,TT4_AppData.CmdPipe);
/*
** Subscribe to TT ground command packets...
*/
CFE_SB_Subscribe(CFE_TT_CMD_MID,TT4_AppData.CmdPipe);
/*
** Register & Initialize Table...
*/
Status = CFE_TBL_Register(&TT4_AppData.TblHandle,
"FourNumbers",
4, /* size of table in bytes*/
CFE_TBL_OPT_DBL_BUFFER | CFE_TBL_OPT_LOAD_DUMP,
&TT_TableValidationCallbackFunc);
/* NULL); */
UTF_put_text("CFE_TBL_Register returned %lx\n", Status);
Status = CFE_TBL_Load(TT4_AppData.TblHandle,
CFE_TBL_SRC_FILE,
"/ram/tt_table_values0.dat");
UTF_put_text("CFE_TBL_Load returned %lx\n", Status);
Status = CFE_TBL_GetAddress(&TblPointer,TT4_AppData.TblHandle);
UTF_put_text("CFE_TBL_GetAddress returned %lx\n", Status);
UTF_put_text("The initial values are:%d %d %d %d\n",
*(int8*)TblPointer,*(int8*)(TblPointer+1),
*(int8*)(TblPointer+2),*(int8*)(TblPointer+3));
Status = CFE_TBL_ReleaseAddress(TT4_AppData.TblHandle);
UTF_put_text("CFE_TBL_ReleaseAddress returned %lx\n", Status);
/*
** Application startup event message...
*/
CFE_EVS_SendEvent(TT_INIT_INF_EID,
CFE_EVS_INFORMATION,
"TT: Application Initialized");
return;
} /* End of TT_AppInit() */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
int32 CS_ComputeTables (CS_Res_Tables_Table_Entry_t * ResultsEntry,
uint32 * ComputedCSValue,
boolean * DoneWithEntry)
{
uint32 OffsetIntoCurrEntry = 0;
uint32 FirstAddrThisCycle = 0;
uint32 NumBytesThisCycle = 0;
int32 NumBytesRemainingCycles = 0;
uint32 NewChecksumValue = 0;
int32 Status = CS_SUCCESS;
int32 Result = CS_SUCCESS;
int32 ResultShare = 0;
int32 ResultGetInfo = 0;
int32 ResultGetAddress = 0;
/* variables to get the table address */
CFE_TBL_Handle_t LocalTblHandle = CFE_TBL_BAD_TABLE_HANDLE;
uint32 LocalAddress = 0;
CFE_TBL_Info_t TblInfo;
/* By the time we get here, we know we have an enabled entry */
/* set the done flag to false originally */
* DoneWithEntry = FALSE;
Result = CS_SUCCESS;
/* Handshake with Table Services to get address and size of table */
/* if we already have a table handle for this table, don't get a new one */
if (ResultsEntry -> TblHandle == CFE_TBL_BAD_TABLE_HANDLE)
{
ResultShare = CFE_TBL_Share(&LocalTblHandle, ResultsEntry -> Name);
Result = ResultShare;
if (Result == CFE_SUCCESS)
{
ResultsEntry -> TblHandle = LocalTblHandle;
}
}
else
{
LocalTblHandle = ResultsEntry -> TblHandle;
}
if (Result == CFE_SUCCESS)
{
ResultGetInfo = CFE_TBL_GetInfo(&TblInfo, ResultsEntry -> Name);
}
/* We want to try to to get the address even if the GetInfo fails. This
provides the CFE_TBL_UNREGISTERED if the table has gone away */
if (Result == CFE_SUCCESS)
{
ResultGetAddress = CFE_TBL_GetAddress((void*) &LocalAddress, LocalTblHandle);
Result = ResultGetAddress;
}
/* if the table was never loaded, release the address to prevent the table from being
locked by CS, which would prevent the owner app from updating it*/
if ( ResultGetAddress == CFE_TBL_ERR_NEVER_LOADED)
{
CFE_TBL_ReleaseAddress(LocalTblHandle);
}
/* The table has dissapeared since the last time CS looked.
We are checking to see if the table came back */
if (Result == CFE_TBL_ERR_UNREGISTERED)
{
/* unregister the old handle */
CFE_TBL_Unregister(LocalTblHandle);
/* reset the stored data in the results table since the
table went away */
ResultsEntry -> TblHandle = CFE_TBL_BAD_TABLE_HANDLE;
ResultsEntry -> ByteOffset = 0;
ResultsEntry -> TempChecksumValue = 0;
ResultsEntry -> ComputedYet = FALSE;
ResultsEntry -> ComparisonValue = 0;
ResultsEntry -> StartAddress = 0;
ResultsEntry -> NumBytesToChecksum = 0;
/* Maybe the table came back, try and reshare it */
ResultShare = CFE_TBL_Share(&LocalTblHandle, ResultsEntry -> Name);
if (ResultShare == CFE_SUCCESS)
{
ResultsEntry -> TblHandle = LocalTblHandle;
ResultGetInfo = CFE_TBL_GetInfo(&TblInfo, ResultsEntry -> Name);
/* need to try to get the address again */
ResultGetAddress = CFE_TBL_GetAddress((void*) &LocalAddress, LocalTblHandle);
Result = ResultGetAddress;
/* if the table was never loaded, release the address to prevent the table from being
locked by CS, which would prevent the owner app from updating it*/
if ( ResultGetAddress == CFE_TBL_ERR_NEVER_LOADED)
{
CFE_TBL_ReleaseAddress(LocalTblHandle);
}
}
else /* table was not there on the new share */
{
Result = ResultShare;
}
}
if (Result == CFE_SUCCESS || Result == CFE_TBL_INFO_UPDATED)
{
/* push in the get data from the table info */
ResultsEntry -> NumBytesToChecksum = TblInfo.Size;
ResultsEntry -> StartAddress = LocalAddress;
/* if the table has been updated since the last time we
looked at it, we need to start over again. We can also
use the new value as a baseline checksum */
if (Result == CFE_TBL_INFO_UPDATED)
{
ResultsEntry -> ByteOffset = 0;
ResultsEntry -> TempChecksumValue = 0;
ResultsEntry -> ComputedYet = FALSE;
}
OffsetIntoCurrEntry = ResultsEntry -> ByteOffset;
FirstAddrThisCycle = ResultsEntry -> StartAddress + OffsetIntoCurrEntry;
NumBytesRemainingCycles = ResultsEntry -> NumBytesToChecksum - OffsetIntoCurrEntry;
NumBytesThisCycle = ( (CS_AppData.MaxBytesPerCycle < NumBytesRemainingCycles)
? CS_AppData.MaxBytesPerCycle
: NumBytesRemainingCycles);
NewChecksumValue = CFE_ES_CalculateCRC((void *) ((uint8*)FirstAddrThisCycle),
NumBytesThisCycle,
ResultsEntry -> TempChecksumValue,
CS_DEFAULT_ALGORITHM);
NumBytesRemainingCycles -= NumBytesThisCycle;
/* Have we finished all of the parts for this Entry */
if (NumBytesRemainingCycles <= 0)
{
/* Start over if an update occurred after we started the last part */
CFE_TBL_ReleaseAddress(LocalTblHandle);
Result = CFE_TBL_GetAddress((void*) &LocalAddress, LocalTblHandle);
if (Result == CFE_TBL_INFO_UPDATED)
{
*ComputedCSValue = 0;
ResultsEntry -> ComputedYet = FALSE;
ResultsEntry -> ComparisonValue = 0;
ResultsEntry -> ByteOffset = 0;
ResultsEntry -> TempChecksumValue = 0;
}
else
{
/* No last second updates, post the result for this table */
*DoneWithEntry = TRUE;
if (ResultsEntry -> ComputedYet == TRUE)
{
/* This is NOT the first time through this Entry.
We have already computed a CS value for this Entry */
if (NewChecksumValue != ResultsEntry -> ComparisonValue)
{
/* If the just-computed value differ from the saved value */
Status = CS_ERROR;
}
else
{
/* The checksum passes the test. */
}
}
else
{
/* This is the first time through this Entry */
ResultsEntry -> ComputedYet = TRUE;
ResultsEntry -> ComparisonValue = NewChecksumValue;
}
*ComputedCSValue = NewChecksumValue;
ResultsEntry -> ByteOffset = 0;
ResultsEntry -> TempChecksumValue = 0;
}
}
else
{
/* We have not finished this Entry. Will try to finish during next wakeup */
ResultsEntry -> ByteOffset += NumBytesThisCycle;
ResultsEntry -> TempChecksumValue = NewChecksumValue;
*ComputedCSValue = NewChecksumValue;
}
/* We are done with the table for this cycle, so we need to release the address */
Result = CFE_TBL_ReleaseAddress(LocalTblHandle);
if (Result != CFE_SUCCESS)
{
CFE_EVS_SendEvent(CS_COMPUTE_TABLES_RELEASE_ERR_EID,
CFE_EVS_ERROR,
"CS Tables: Could not release addresss for table %s, returned: 0x%08X",
ResultsEntry -> Name,
Result);
}
}/* end if tabled was success or updated */
else
{
CFE_EVS_SendEvent(CS_COMPUTE_TABLES_ERR_EID,
CFE_EVS_ERROR,
"CS Tables: Problem Getting table %s info Share: 0x%08X, GetInfo: 0x%08X, GetAddress: 0x%08X",
ResultsEntry -> Name,
ResultShare,
ResultGetInfo,
ResultGetAddress);
Status = CS_ERR_NOT_FOUND;
}
return Status;
} /* End of CS_ComputeTables () */
int32 SCH_HousekeepingCmd(CFE_SB_MsgPtr_t MessagePtr)
{
int32 TableResult = SCH_SUCCESS;
if(SCH_VerifyCmdLength(MessagePtr, sizeof(SCH_NoArgsCmd_t)) == SCH_SUCCESS)
{
/*
** Update contents of Housekeeping Packet
*/
SCH_AppData.HkPacket.CmdCounter = SCH_AppData.CmdCounter;
SCH_AppData.HkPacket.ErrCounter = SCH_AppData.ErrCounter;
SCH_AppData.HkPacket.ScheduleActivitySuccessCount = SCH_AppData.ScheduleActivitySuccessCount;
SCH_AppData.HkPacket.ScheduleActivityFailureCount = SCH_AppData.ScheduleActivityFailureCount;
SCH_AppData.HkPacket.SlotsProcessedCount = SCH_AppData.SlotsProcessedCount;
SCH_AppData.HkPacket.SkippedSlotsCount = SCH_AppData.SkippedSlotsCount;
SCH_AppData.HkPacket.MultipleSlotsCount = SCH_AppData.MultipleSlotsCount;
SCH_AppData.HkPacket.SameSlotCount = SCH_AppData.SameSlotCount;
SCH_AppData.HkPacket.BadTableDataCount = SCH_AppData.BadTableDataCount;
SCH_AppData.HkPacket.TableVerifySuccessCount = SCH_AppData.TableVerifySuccessCount;
SCH_AppData.HkPacket.TableVerifyFailureCount = SCH_AppData.TableVerifyFailureCount;
SCH_AppData.HkPacket.TablePassCount = SCH_AppData.TablePassCount;
SCH_AppData.HkPacket.ValidMajorFrameCount = SCH_AppData.ValidMajorFrameCount;
SCH_AppData.HkPacket.MissedMajorFrameCount = SCH_AppData.MissedMajorFrameCount;
SCH_AppData.HkPacket.UnexpectedMajorFrameCount = SCH_AppData.UnexpectedMajorFrameCount;
SCH_AppData.HkPacket.MinorFramesSinceTone = SCH_AppData.MinorFramesSinceTone;
SCH_AppData.HkPacket.NextSlotNumber = SCH_AppData.NextSlotNumber;
SCH_AppData.HkPacket.LastSyncMETSlot = SCH_AppData.LastSyncMETSlot;
SCH_AppData.HkPacket.IgnoreMajorFrame = SCH_AppData.IgnoreMajorFrame;
SCH_AppData.HkPacket.UnexpectedMajorFrame = SCH_AppData.UnexpectedMajorFrame;
SCH_AppData.HkPacket.SyncToMET = SCH_AppData.SyncToMET;
SCH_AppData.HkPacket.MajorFrameSource = SCH_AppData.MajorFrameSource;
/*
** Timestamps and send housekeeping packet
*/
CFE_SB_TimeStampMsg((CFE_SB_Msg_t *) &SCH_AppData.HkPacket);
CFE_SB_SendMsg((CFE_SB_Msg_t *) &SCH_AppData.HkPacket);
/*
** Reset "high rate" event filters
*/
CFE_EVS_ResetAllFilters();
}
/*
** Note:
**
** The following table functions will give the cFE Table Manager
** a chance to update the tables used by this application. If
** there is an error (very unlikely) the return value will cause
** us to fall out of the main process loop and terminate the SCH
** task. It may sound extreme but there is nothing for the
** Scheduler to do if it cannot access both the message
** and schedule tables.
*/
CFE_TBL_ReleaseAddress(SCH_AppData.ScheduleTableHandle);
CFE_TBL_ReleaseAddress(SCH_AppData.MessageTableHandle);
TableResult = SCH_AcquirePointers();
return(TableResult);
} /* End of SCH_HousekeepingCmd() */