Function that returns the status of the Application Diagnostic's bits of a safety island.
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i32 safe_appl_diag (i32 nIsle [, i32 what=0])
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Number of the island (1-:-31)
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Parameter to select the bits group. (optional, default 0)
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0
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Receive all 32 bits
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1
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Receive the first 16 bits
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2
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Receive the last 16 bits
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Returns:
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what = 0
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> 0, Application Diagnostic (bit 0 -:- 31)
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Positive result
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0
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Negative result
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what = 1
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> 0, Application Diagnostic (bit 0 -:- 15)
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Positive result
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-1
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Illegal parameters
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-2
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Illegal nIsle
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-4
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Non-existent island
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what = 2
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> 0, Application Diagnostic (bit 16 -:- 31)
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Positive result
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-1
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Illegal parameters
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-2
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Illegal nIsle
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-4
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Non-existent island
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Rule, Task
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RTE 34.20.1
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Example of use:
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int esito
esito = safe_appl_diag(1)
esito = safe_appl_diag(1, 1)
esito = safe_appl_diag(1, 2)
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