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Fixed a small spelling mistake

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Merges https://github.com/espressif/esp-idf/pull/3089
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raldone01 2019-02-22 23:41:19 +01:00 committed by Ivan Grokhotkov
parent 36c73e6d70
commit fc880e2429
1 changed files with 2 additions and 3 deletions
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5
docs/en/api-reference/system/intr_alloc.rst
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@ -93,10 +93,9 @@ A handler will never be called when disabled, while **its source may still be tr
Sources attached to non-shared interrupt do not support this feature.
Though the framework support this feature, you have to use it *very carefully*. There usually exist 2 ways to stop a interrupt from being triggered: *disable the sourse* or *mask peripheral interrupt status*.
Though the framework support this feature, you have to use it *very carefully*. There usually exist 2 ways to stop a interrupt from being triggered: *disable the source* or *mask peripheral interrupt status*.
IDF only handles the enabling and disabling of the source itself, leaving status and mask bits to be handled by users. **Status bits should always be masked before the handler responsible for it is disabled,
or the status should be handled in other enabled interrupt properly**. You may leave some status bits unhandled if you just disable one of all the handlers without mask the status bits, which causes the interrupt being triggered infinitely,
and finally a system crash.
or the status should be handled in other enabled interrupt properly**. You may leave some status bits unhandled if you just disable one of all the handlers without masking the status bits, which causes the interrupt to trigger infinitely resulting in a system crash.
API Reference
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