| author | Edouard Tisserant |
| Fri, 01 Apr 2011 11:10:06 +0200 | |
| changeset 256 | 101c7f148b9a |
| parent 251 | 5e7457efbb8f |
| permissions | -rw-r--r-- |
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251
5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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(* |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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* (c) 2011 Edouard Tisserant |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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* |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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* Fake semaphore support, for non preemptive implementation. |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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* |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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*) |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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FUNCTION_BLOCK SEMA |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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VAR_INPUT |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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CLAIM : BOOL; |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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RELEASE : BOOL; |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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END_VAR |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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VAR_OUTPUT |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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BUSY : BOOL; |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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END_VAR |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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VAR |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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Q_INTERNAL : BOOL; |
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5e7457efbb8f
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Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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END_VAR |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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Q_INTERNAL := CLAIM OR ( Q_INTERNAL AND (NOT RELEASE)); |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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BUSY := Q_INTERNAL; |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
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changeset
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END_FUNCTION_BLOCK |
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5e7457efbb8f
Added dumb SEMA?implementation
Edouqrd Tisserant <edouard.tisserant@gmail.com>
parents:
diff
changeset
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25 |