GPIO_ReadEvent (changes)
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GPIO
» SWI Calls
» GPIO_ReadEvent
GPIO_ReadEvent
h5. (SWI &58FAB)
| Entry | |
|---|---|
| R0 | Logical GPIO pin number |
| Exit |
|---|
| R0 = 0 (No event occured), 1 (Event occured) |
Use
Polls the event state of the GPIO pin, the event type is set with flag bits in GPIO_WriteMode, or returns an error if the pin number is not valid.
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