Aim ARINC 429 - 4.3 Api429 ReadBlockMemData

70 Software Library Reference Manual for VME 429
Section 4 – Memory Functions
4.3 Api429ReadBlockMemData
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AiUInt8 Api429ReadBlockMemData( AiUInt8 b_Module, AiUInt8 memtype, AiUInt32
offset, AiUInt8 width, void *data_p, AiUInt32 size,
AiUInt32 *pul_BytesRead );
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None
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This function is used to read a data block from the AIM board memory in avoidance
of AIM board command and acknowledge interface access. This is necessary to
access the AIM board memory in case of interrupt. The function does a direct
access to the AIM board memory with the specified offset address.
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Memory Type to be accessed
Value Constant Description
0 API_MEMTYPE_GLOBAL
Global Memory access
1 API_MEMTYPE_SHARED
Shared Memory access
2 API_MEMTYPE_LOCAL
Local Memory access
3 API_MEMTYPE_IO
IO/Galileo Memory access
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Byte offset address relative to the start of a specific onboard memory described
in parameter ‘memtype’.
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Data width of access
Value Synonym Description
1 sizeof(AiUInt8)
Byte data access
2 sizeof(AiUInt16)
Word data access
4 sizeof(AiUInt32)
Longword data access
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Amount of data block elements.