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docs: Add link from pyboard switch tutorial to ISR rules document.

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Damien George 2016-01-04 16:18:44 +00:00
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docs/pyboard/tutorial/switch.rst
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@ -99,3 +99,9 @@ The above sequence of events gets a bit more complicated when multiple
interrupts occur at the same time. In that case, the interrupt with the interrupts occur at the same time. In that case, the interrupt with the
highest priority goes first, then the others in order of their priority. highest priority goes first, then the others in order of their priority.
The switch interrupt is set at the lowest priority. The switch interrupt is set at the lowest priority.
Further reading
---------------
For further information about using hardware interrupts see
:ref:`writing interrupt handlers <isr_rules>`.