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Add RP2040 PIO UART implementation for split keyboards

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This commit is contained in:
tonasz
2022-01-16 19:36:24 +01:00
committed by Kyle Brown
parent f4807f341e
commit fdf8e9f78c
3 changed files with 110 additions and 6 deletions
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25
kmk/modules/split.py
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@@ -36,6 +36,7 @@ class Split(Module):
data_pin2=None,
target_left=True,
uart_flip=True,
use_pio=False,
debug_enabled=False,
):
self._is_target = True
@@ -49,6 +50,7 @@ class Split(Module):
self.data_pin2 = data_pin2
self.target_left = target_left
self.uart_flip = uart_flip
self._use_pio = use_pio
self._uart = None
self._uart_interval = uart_interval
self._debug_enabled = debug_enabled
@@ -75,6 +77,11 @@ class Split(Module):
self._advertising = False
self._psave_enable = False
if self._use_pio:
from kmk.handlers.pio_uart import PIO_UART
self.PIO_UART = PIO_UART
def during_bootup(self, keyboard):
# Set up name for target side detection and BLE advertisment
name = str(getmount('/').label)
@@ -116,13 +123,19 @@ class Split(Module):
if self.split_type == SplitType.UART and self.data_pin is not None:
if self._is_target or not self.uart_flip:
self._uart = busio.UART(
tx=self.data_pin2, rx=self.data_pin, timeout=self._uart_interval
)
if self._use_pio:
self._uart = self.PIO_UART(tx=self.data_pin2, rx=self.data_pin)
else:
self._uart = busio.UART(
tx=self.data_pin2, rx=self.data_pin, timeout=self._uart_interval
)
else:
self._uart = busio.UART(
tx=self.data_pin, rx=self.data_pin2, timeout=self._uart_interval
)
if self._use_pio:
self._uart = self.PIO_UART(tx=self.data_pin, rx=self.data_pin2)
else:
self._uart = busio.UART(
tx=self.data_pin, rx=self.data_pin2, timeout=self._uart_interval
)
# Attempt to sanely guess a coord_mapping if one is not provided.
if not keyboard.coord_mapping: