Introduction

Simple assembler to convert pioasm to bytes

Dependencies

This driver depends on:

Adafruit CircuitPython

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Installing from PyPI

On supported GNU/Linux systems like the Raspberry Pi, you can install the driver locally from PyPI. To install for current user:

pip3 install adafruit-circuitpython-pioasm

To install system-wide (this may be required in some cases):

sudo pip3 install adafruit-circuitpython-pioasm

To install in a virtual environment in your current project:

mkdir project-name && cd project-name
python3 -m venv .venv
source .venv/bin/activate
pip3 install adafruit-circuitpython-pioasm

Usage Example

import time
import rp2pio
import board
import adafruit_pioasm

squarewave = """
.program squarewave
    set pins 1 [1]  ; Drive pin high and then delay for one cycle
    set pins 0      ; Drive pin low
"""

assembled = adafruit_pioasm.assemble(squarewave)

sm = rp2pio.StateMachine(
    assembled,
    frequency=2000,
    init=adafruit_pioasm.assemble("set pindirs 1"),
    first_set_pin=board.LED,
)
print("real frequency", sm.frequency)

time.sleep(120)

Documentation

API documentation for this library can be found on Read the Docs.

For information on building library documentation, please check out this guide.

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

License

MMcM/Adafruit_CircuitPython_PIOASM

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