Aim MIL-STD-1553 - Apicmdrtstatusread

MIL-STD-1553 Reference Manual
319
Chapter 8 – Remote Terminal Functions
8.1.25 ApiCmdRTStatusRead
Prototype:
AiInt16 ApiCmdRTStatusRead ( AiUInt32 ul_ModuleHandle, AiUInt8 biu,
TY_API_RT_STATUS_DSP *pdsp );
Driver Command:
API_RT_STATUS_READ (0x9A)
Purpose:
This function is used to read the execution status of the RT operation and the global
RT message and error counters.
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RT Status information
typedef struct ty_api_rt_status_dsp
{
AiUInt8 status;
AiUInt8 padding1;
AiUInt16 padding2;
AiUInt32 glb_msg_cnt;
AiUInt32 glb_err_cnt;
}TY_API_RT_STATUS_DSP;
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Remote Terminal execution status
Value
Constant
Description
1
API_RT_STATUS_HALTED
RT halted
2
API_RT_STATUS_BUSY
RT busy
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1
1
0 (reserved)
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1
1
6
6
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2
2
0 (reserved)
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3
3
2
2
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Global RT Message Counter
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3
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2
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Global RT Error Counter
Return Value
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1
6
6
All API functions return API_OK if no error occurred. If the return value is not equal
to API_OK the function ApiGetErrorDescription can be used to obtain an error
description.