Description
- μpython v1.14 on 2021-04-09 (GNU 10.2.0 MinSizeRel)
from - Raspberry Pi Pico Python SDK (2021-04-07)
The idea is that for the 4 sets of pins ( in , out , set , sideset , excluding jmp ) that can be connected to a state machine,
there’s the following that need configuring for each set:
Sample code:
from rp2 import PIO, StateMachine, asm_pio
from machine import Pin
@asm_pio(set_pins=(PIO.OUT_LOW, PIO.OUT_HIGH, PIO.IN_LOW), sideset_pins=PIO.OUT_LOW)
def foo():
pass
sm0 = StateMachine( 0, foo, freq=2000, set_pins=Pin(15), sideset_pins=Pin(22))it just produces errors
Traceback (most recent call last):
File "<stdin>", line 5, in <module>
File "rp2.py", line 230, in asm_pio
TypeError: unexpected keyword argument 'set_pins'
I can find info -> machine -> https://docs.micropython.org/en/latest/library/machine.html
but info for rp2 -> null
looking in the rp2 stubs - StateMachine
def __init__(self, id, prog, freq: int=-1, *, in_base: Pin=None, out_base: Pin=None, set_base: Pin=None, jmp_pin: Pin=None, sideset_base: Pin=None, in_shiftdir: int=None, out_shiftdir: int=None, push_thresh: int=None, pull_thresh: int=None):Ureka - moment - there NO set_pins in StateMachine instantiation
from rp2 import PIO, StateMachine, asm_pio
from machine import Pin
@asm_pio(set_pins=(PIO.OUT_LOW, PIO.OUT_HIGH, PIO.IN_LOW), sideset_pins=PIO.OUT_LOW)
def foo():
pass
sm0 = StateMachine( 0, foo, freq=2000, set_base=Pin(15), out_base=Pin(16), sideset_base=Pin(22))looking in the rp2 stubs - asm_pio
def asm_pio(set_init: int = None, out_shiftdir: int = None, autopull: bool = None, pull_thresh: int = None, set_pins: Iterable[Sequence[int]] = None, sideset_pins: int = None, sideset_init: int = None, out_init: int = None, autopush: bool = None, push_thresh: int = None, in_base: int = None, out_base: int = None) -> Any:Just hit the brick wall:(
Any chance someone that knows can put a working example up:
The idea is that for the 4 sets of pins ( in , out , set , sideset , excluding jmp ) that can be connected to a state machine,
there’s the following that need configuring for each set:
- base GPIO
- number of consecutive GPIO
- initial GPIO direction (in or out pin)
- initial GPIO value (high or low)
or do I need to add a documentation request -> Roadmap to next release v1.15
Thanks in Adv.