Aim MIL-STD-1553 - Apicmdbcmodectrl

MIL-STD-1553 Reference Manual
236
Chapter 7 – Bus Controller Functions
7.1.19 ApiCmdBCModeCtrl
Prototype:
AiInt16 ApiCmdBCModeCtrl ( AiUInt32 ul_ModuleHandle, AiUInt8 uc_Biu,
TY_API_BC_MODE_CTRL *px_BcModeCtrl);
Driver Command:
API_BC_MODE_CTRL (0x67)
Purpose:
This function is used to enable / disable various BC functionality on-the-fly.
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BC Mode Control description
typedef struct ty_api_bc_mode_ctrl
{
AiUInt32 ul_BcMode;
AiUInt32 ul_Ctrl;
AiUInt32 ul_Param1;
AiUInt32 ul_Param2;
AiUInt32 ul_Param3;
} TY_API_BC_MODE_CTRL;
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Value
Constant
Description
1
API_BC_MODE_INSERT_MC17_SYNC_CNT
If enabled this mode makes the BC inserting
the synchronization counter in the data word of
a mode code 17 (Synchronize with Data). The
mode code transfer to be handled is given with
the transfer id in parameter ‘ul_Param1’.
 see also the commands :
ApiCmdSyncCounterSet
ApiCmdSyncCounterGet
2
API_BC_MODE_STOP_ON_MC0_DBCA_FLAG
If enabled this mode makes the BC stopping if
an RT sets the DBCA flag in its status word in
reaction of a previously sent mode code 0
(Dynamic Bus Control). The mode code transfer
to be handled is given with the transfer id in
parameter ‘ul_Param1’.
3
API_BC_MODE_CONFIGURED_DYTAGS
This mode is used to enable / disable all
configured BC dytags
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Value
Constant
Description
0
API_DIS
Disable the functionality referenced with parameter ‘ul_BcMode’
1
API_ENA
Enable the functionality referenced with parameter ‘ul_BcMode’
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ul_BcMode
Value
Description
1, 2
n
BC Transfer ID
Note: See Section 1.3.5 for the range allowed for this parameter.
3
0
Reserved