Aim MIL-STD-1553 - Page 378

MIL-STD-1553 Reference Manual
364
Chapter 9 – Bus Monitor Functions
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BM Bus Load (Secondary Bus)
Indicates the current bus load on the secondary bus in 0.01% steps, thus a value of 1000
means 10.00% bus load. The bus load is calculated from the traffic of the last 500ms.
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BM Bus Load (Primary Bus)
Indicates the current bus load on the primary bus in 0.01% steps, thus a value of 1000
means 10.00% bus load. The bus load is calculated from the traffic of the last 500ms.
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BM Average Bus Load (Secondary Bus)
Indicates the average bus load on the secondary bus in 0.01% steps, thus a value of 1000
means 10.00% bus load. The bus load is calculated from the traffic beginning with the first
received word until now.
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BM Average Bus Load (Primary Bus)
Indicates the average bus load on the primary bus in 0.01% steps, thus a value of 1000
means 10.00% bus load. The bus load is calculated from the traffic beginning with the first
received word until now.
Return Value
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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.
Note: All count parameters and bus load parameters are cleared on restart of the
AIM board Bus Monitor when the ApiCmdBMStart’ function is called.