Simple tests

Ensure your device works with these simple tests.

examples/simpleio_tone_demo.py

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

"""
'tone_demo.py'.

=================================================
a short piezo song using tone()
"""

import time

import board

import simpleio

while True:
    for f in (262, 294, 330, 349, 392, 440, 494, 523):
        simpleio.tone(board.A0, f, 0.25)
    time.sleep(1)

examples/simpleio_shift_in_out_demo.py

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

"""
'shift_in_out_demo.py'.

=================================================
shifts data into and out of a data pin
"""

import time

import board
import digitalio

import simpleio

# set up clock, data, and latch pins
clk = digitalio.DigitalInOut(board.D12)
data = digitalio.DigitalInOut(board.D11)
latch = digitalio.DigitalInOut(board.D10)
clk.direction = digitalio.Direction.OUTPUT
latch.direction = digitalio.Direction.OUTPUT

while True:
    data_to_send = 256
    # shifting 256 bits out of data pin
    latch.value = False
    data.direction = digitalio.Direction.OUTPUT
    print("shifting out...")
    simpleio.shift_out(data, clk, data_to_send, msb_first=False)
    latch.value = True
    time.sleep(3)

    # shifting 256 bits into the data pin
    latch.value = False
    data.direction = digitalio.Direction.INPUT
    print("shifting in...")
    simpleio.shift_in(data, clk)
    time.sleep(3)

examples/simpleio_map_range_simpletest.py

# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

"""
'map_range_demo.py'.

=================================================
maps a number from one range to another
"""

import time

import simpleio

while True:
    sensor_value = 150

    # Map the sensor's range from 0<=sensor_value<=255 to 0<=sensor_value<=1023
    print("original sensor value: ", sensor_value)
    mapped_value = simpleio.map_range(sensor_value, 0, 255, 0, 1023)
    print("mapped sensor value: ", mapped_value)
    time.sleep(2)

    # Map the new sensor value back to the old range
    sensor_value = simpleio.map_range(mapped_value, 0, 1023, 0, 255)
    print("original value returned: ", sensor_value)
    time.sleep(2)