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rp2/rp2_pio: Add support for RP2350A/B variants in PIO interface.

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Add support for 32 and 48 pin variants of RP2350.

Add new `PIO.gpio_base()` method, mirroring the Pico SDK.

Signed-off-by: Phil Howard <phil@gadgetoid.com>
Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Phil Howard
2024-07-02 17:39:02 +01:00
committed by Damien George
parent a3d1c59ca3
commit e6093c0fbd
2 changed files with 90 additions and 13 deletions
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11
docs/library/rp2.PIO.rst
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@@ -27,6 +27,17 @@ Constructors
Methods
-------
.. method:: PIO.gpio_base([base])
Query and optionally set the current GPIO base for this PIO instance.
If an argument is given then it must be a pin (or integer corresponding to a pin
number), restricted to either GPIO0 or GPIO16. The GPIO base will then be set to
that pin. Setting the GPIO base must be done before any programs are added or state
machines created.
Returns the current GPIO base pin.
.. method:: PIO.add_program(program)
Add the *program* to the instruction memory of this PIO instance.