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2 Commits

Author SHA1 Message Date
pennae
3229b5e809 rp/pio: remove PioPeripheral 
merge into PioInstance instead. PioPeripheral was mostly a wrapper
around PioInstance anyway, and the way the wrapping was done required
PioInstanceBase<N> types where PIO{N} could've been used instead.
 2023-05-02 15:46:21 +02:00
pennae
8e22d57447 rp/pio: add hd44780 example 
add an hd44780 example for pio. hd44780 with busy polling is a pretty
complicated protocol if the busy polling is to be done by the
peripheral, and this example exercises many pio features that we don't
have good examples for yet.
 2023-05-02 13:44:24 +02:00