diff options
Diffstat (limited to 'docs/library')
| -rw-r--r-- | docs/library/machine.Pin.rst | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/docs/library/machine.Pin.rst b/docs/library/machine.Pin.rst index 387d0f73f..a355a6f7c 100644 --- a/docs/library/machine.Pin.rst +++ b/docs/library/machine.Pin.rst @@ -179,7 +179,7 @@ Methods Availability: WiPy. -.. method:: Pin.irq(handler=None, trigger=(Pin.IRQ_FALLING | Pin.IRQ_RISING), \*, priority=1, wake=None) +.. method:: Pin.irq(handler=None, trigger=(Pin.IRQ_FALLING | Pin.IRQ_RISING), \*, priority=1, wake=None, hard=False) Configure an interrupt handler to be called when the trigger source of the pin is active. If the pin mode is ``Pin.IN`` then the trigger source is @@ -213,6 +213,10 @@ Methods These values can also be OR'ed together to make a pin generate interrupts in more than one power mode. + - ``hard`` if true a hardware interrupt is used. This reduces the delay + between the pin change and the handler being called. Hard interrupt + handlers may not allocate memory; see :ref:`isr_rules`. + This method returns a callback object. Constants |