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Fix pio_uart.py formatting

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This commit is contained in:
tonasz 2022-02-06 15:26:18 +01:00 committed by Kyle Brown
parent fdf8e9f78c
commit 8c0f8ccbc3
1 changed files with 11 additions and 11 deletions
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22
kmk/handlers/pio_uart.py
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@ -1,12 +1,12 @@
# Original source of these examples: https://github.com/adafruit/Adafruit_CircuitPython_PIOASM/tree/main/examples
# SPDX-FileCopyrightText: 2021 Jeff Epler, written for Adafruit Industries
# SPDX-License-Identifier: MIT
import rp2pio
'''
Circuit Python wrapper around PIO implementation of UART
Original source of these examples: https://github.com/adafruit/Adafruit_CircuitPython_PIOASM/tree/main/examples (MIT)
'''
import adafruit_pioasm
import rp2pio
tx_code = adafruit_pioasm.assemble(
"""
'''
.program uart_tx
.side_set 1 opt
; An 8n1 UART transmit program.
@ -16,11 +16,11 @@ tx_code = adafruit_pioasm.assemble(
bitloop: ; This loop will run 8 times (8n1 UART)
out pins, 1 ; Shift 1 bit from OSR to the first OUT pin
jmp x-- bitloop [6] ; Each loop iteration is 8 cycles.
"""
'''
)
rx_code = adafruit_pioasm.assemble(
"""
'''
.program uart_rx_mini
; Minimum viable 8n1 UART receiver. Wait for the start bit, then sample 8 bits
@ -34,7 +34,7 @@ bitloop: ; Loop 8 times
in pins, 1 ; Sample data
jmp x-- bitloop [6] ; Each iteration is 8 cycles
"""
'''
)
@ -86,5 +86,5 @@ class PIO_UART:
n = self.rx_pio.readinto(b)
return b[:n]
def readinto(self, buf): # pylint: disable=unused-argument
return self.rx_pio.readinto(buf) # pylint: disable=undefined-variable
def readinto(self, buf):
return self.rx_pio.readinto(buf)