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Diffstat (limited to 'watch-library/hal/documentation/ext_irq.rst')
| -rw-r--r-- | watch-library/hal/documentation/ext_irq.rst | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/watch-library/hal/documentation/ext_irq.rst b/watch-library/hal/documentation/ext_irq.rst new file mode 100644 index 00000000..7dcdc7c5 --- /dev/null +++ b/watch-library/hal/documentation/ext_irq.rst @@ -0,0 +1,39 @@ +============== +EXT IRQ driver +============== + +The External Interrupt driver allows external pins to be +configured as interrupt lines. Each interrupt line can be +individually masked and can generate an interrupt on rising, +falling or both edges, or on high or low levels. Some of +external pin can also be configured to wake up the device +from sleep modes where all clocks have been disabled. +External pins can also generate an event. + +Features +-------- +* Initialization and de-initialization +* Enabling and disabling +* Detect external pins interrupt + +Applications +------------ +* Generate an interrupt on rising, falling or both edges, + or on high or low levels. + +Dependencies +------------ +* GPIO hardware + +Concurrency +----------- +N/A + +Limitations +----------- +N/A + +Knows issues and workarounds +---------------------------- +N/A + |