"""
Read Signature Test - All this does is read the signature from the chip to
check connectivity!
"""
import board
import busio
import pulseio
import adafruit_avrprog
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
avrprog = adafruit_avrprog.AVRprog()
avrprog.init(spi, board.D5)
#pylint: disable-msg=no-member
# we can generate an 6 MHz clock for driving bare chips too!
clock_pwm = pulseio.PWMOut(board.D9, frequency=6000000, duty_cycle=65536 // 2)
#pylint: enable-msg=no-member
avrprog.begin()
print("Signature bytes: ", [hex(i) for i in avrprog.read_signature()])
avrprog.end()
"""
Photosensor -> LED
================================================="""
import analogio
import board
import pulseio
from simpleio import map_range
LED = pulseio.PWMOut(board.D9)
LIGHT = analogio.AnalogIn(board.A0)
while True:
LIGHT_VAL = map_range(LIGHT.value, 20000, 32766, 0, 32766)
LED.duty_cycle = int(LIGHT_VAL)
Change the velocity variable below and re-upload
the program to change the speed.
"""
# Velocity setting: Can be a number between -1.0 and 1.0
velocity = 1.0
# Continuous Servo Test Program for CircuitPython
import time
import board
import pulseio
from adafruit_motor import servo
print("Initialize Servo")
# create a PWMOut object on Pin A2.
pwm = pulseio.PWMOut(board.A2, frequency=50)
# Create a servo object, my_servo.
my_servo = servo.ContinuousServo(pwm)
# Check velocity
if velocity > 1.0: velocity = 1.0
if velocity < -1.0: velocity = -1.0
# Start movement
print("Starting Movement")
my_servo.throttle = velocity
# This should run the servo continuously. If the program aborts
# and stops the movement you might have to add the following lines.
#while True:
#import statements
import time
import board
import pulseio
from adafruit_motor import servo
# create a PWMOut object on Pin A2.
# can change inputs board.A1 etc.
pwm1 = pulseio.PWMOut(board.D13, duty_cycle=2**15, frequency=50)
pwm2 = pulseio.PWMOut(board.D12, duty_cycle=2**15, frequency=50)
pwm3 = pulseio.PWMOut(board.D10, duty_cycle=2**15, frequency=50)
pwm4 = pulseio.PWMOut(board.D5, duty_cycle=2**15, frequency=50)
# Create a servo object, my_servo.
lowLeft = servo.Servo(pwm1)
lowRight = servo.Servo(pwm2)
upRight = servo.Servo(pwm3)
upLeft = servo.Servo(pwm4)
def dance5():
# set position to forward facing
lowLeft.angle = 90 # set left foot angle
lowRight.angle = 90 # set right foot angle
upLeft.angle = 90 # set left knee angle
upRight.angle = 90 # set right knee angle
time.sleep(1) # sleep for 1 second
while True:
count = 0
# this dance makes it shift backwards
while count < 5:
ROTATE_RIGHT = 0x03
FORWARD = 0x04
FORWARD_LEFT = 0x05
FORWARD_RIGHT = 0x06
REVERSE = 0x07
REVERSE_LEFT = 0x08
REVERSE_RIGHT = 0x09
TRANSMIT_DELAY = 0.1
# Setup accelerometer
i2c = busio.I2C(board.ACCELEROMETER_SCL, board.ACCELEROMETER_SDA)
sensor = adafruit_lis3dh.LIS3DH_I2C(i2c, address=0x19)
# Create a 'pulseio' output, to send infrared signals on the IR transmitter @ 38KHz
pwm = pulseio.PWMOut(board.IR_TX, frequency=38000, duty_cycle=2 ** 15)
pulseout = pulseio.PulseOut(pwm)
# Create an encoder that will take numbers and turn them into IR pulses
encoder = adafruit_irremote.GenericTransmit(header=[9500, 4500],
one=[550, 550],
zero=[550, 1700],
trail=0)
def log(s):
"""Optionally output some text.
:param string s: test to output
"""
if DEBUG_LOG:
print(s)
i2c = busio.I2C(board.SCL, board.SDA)
rtc = adafruit_ds3231.DS3231(i2c)
audio = audioio.AudioOut(board.A0)
strip = neopixel.NeoPixel(NEOPIXEL_PIN,
NUM_PIXELS,
brightness=1,
auto_write=False)
strip.fill(0) # NeoPixels off ASAP on startup
strip.show()
switch = Debouncer(SWITCH_PIN, Pull.UP, 0.01)
# create a PWMOut object on Pin A2.
pwm = pulseio.PWMOut(SERVO_PIN, duty_cycle=2**15, frequency=50)
# Create a servo object, my_servo.
servo = servo.ContinuousServo(pwm)
servo.throttle = 0.0
# Set the time for testing
# Once finished testing, the time can be set using the REPL using similar code
if TESTING:
# year, mon, date, hour, min, sec, wday, yday, isdst
t = time.struct_time((2018, 12, 31, 23, 58, 55, 1, -1, -1))
# you must set year, mon, date, hour, min, sec and weekday
# yearday is not supported, isdst can be set but we don't do anything with it at this time
print("Setting time to:", t)
rtc.datetime = t
print()
import time import board import digitalio import pulseio from adafruit_debouncer import Debouncer from adafruit_ble import BLERadio from adafruit_ble.advertising.standard import ProvideServicesAdvertisement from adafruit_ble.services.nordic import UARTService led = pulseio.PWMOut(board.P0_13, frequency=5000, duty_cycle=65535) button_pin = digitalio.DigitalInOut(board.P0_11) button_pin.direction = digitalio.Direction.INPUT button_pin.pull = digitalio.Pull.UP button = Debouncer(button_pin) connected_led = digitalio.DigitalInOut(board.P0_14) connected_led.direction = digitalio.Direction.OUTPUT ble = BLERadio() uart_service = UARTService() advertisement = ProvideServicesAdvertisement(uart_service) PI_SEND_INTERVAL = 1 PWM_INDICATE_BLINK_INTERVAL = 0.25 PWM_INDICATE_BLINKS = 5 # From https://rosettacode.org/wiki/Pi#Python def calcPi():
def __init__(self,
*,
url=None,
headers=None,
json_path=None,
regexp_path=None,
default_bg=0x000000,
status_neopixel=None,
text_font=None,
text_position=None,
text_color=0x808080,
text_wrap=False,
text_maxlen=0,
text_transform=None,
json_transform=None,
image_json_path=None,
image_resize=None,
image_position=None,
image_dim_json_path=None,
caption_text=None,
caption_font=None,
caption_position=None,
caption_color=0x808080,
image_url_path=None,
success_callback=None,
esp=None,
external_spi=None,
debug=False):
self._debug = debug
try:
if hasattr(board, 'TFT_BACKLIGHT'):
self._backlight = pulseio.PWMOut(board.TFT_BACKLIGHT) # pylint: disable=no-member
elif hasattr(board, 'TFT_LITE'):
self._backlight = pulseio.PWMOut(board.TFT_LITE) # pylint: disable=no-member
except ValueError:
self._backlight = None
self.set_backlight(1.0) # turn on backlight
self._url = url
self._headers = headers
if json_path:
if isinstance(json_path[0], (list, tuple)):
self._json_path = json_path
else:
self._json_path = (json_path, )
else:
self._json_path = None
self._regexp_path = regexp_path
self._success_callback = success_callback
if status_neopixel:
self.neopix = neopixel.NeoPixel(status_neopixel, 1, brightness=0.2)
else:
self.neopix = None
self.neo_status(0)
try:
os.stat(LOCALFILE)
self._uselocal = True
except OSError:
self._uselocal = False
if self._debug:
print("Init display")
self.splash = displayio.Group(max_size=15)
if self._debug:
print("Init background")
self._bg_group = displayio.Group(max_size=1)
self._bg_file = None
self._default_bg = default_bg
self.splash.append(self._bg_group)
# show thank you and bootup file if available
for bootscreen in ("/thankyou.bmp", "/pyportal_startup.bmp"):
try:
os.stat(bootscreen)
board.DISPLAY.show(self.splash)
for i in range(100, -1, -1): # dim down
self.set_backlight(i / 100)
time.sleep(0.005)
self.set_background(bootscreen)
try:
board.DISPLAY.refresh(target_frames_per_second=60)
except AttributeError:
board.DISPLAY.wait_for_frame()
for i in range(100): # dim up
self.set_backlight(i / 100)
time.sleep(0.005)
time.sleep(2)
except OSError:
pass # they removed it, skip!
self._speaker_enable = DigitalInOut(board.SPEAKER_ENABLE)
self._speaker_enable.switch_to_output(False)
if hasattr(board, 'AUDIO_OUT'):
self.audio = audioio.AudioOut(board.AUDIO_OUT)
elif hasattr(board, 'SPEAKER'):
self.audio = audioio.AudioOut(board.SPEAKER)
else:
raise AttributeError('Board does not have a builtin speaker!')
try:
self.play_file("pyportal_startup.wav")
except OSError:
pass # they deleted the file, no biggie!
if esp: # If there was a passed ESP Object
if self._debug:
print("Passed ESP32 to PyPortal")
self._esp = esp
if external_spi: #If SPI Object Passed
spi = external_spi
else: # Else: Make ESP32 connection
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
else:
if self._debug:
print("Init ESP32")
esp32_ready = DigitalInOut(board.ESP_BUSY)
esp32_gpio0 = DigitalInOut(board.ESP_GPIO0)
esp32_reset = DigitalInOut(board.ESP_RESET)
esp32_cs = DigitalInOut(board.ESP_CS)
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
self._esp = adafruit_esp32spi.ESP_SPIcontrol(
spi, esp32_cs, esp32_ready, esp32_reset, esp32_gpio0)
#self._esp._debug = 1
for _ in range(3): # retries
try:
print("ESP firmware:", self._esp.firmware_version)
break
except RuntimeError:
print("Retrying ESP32 connection")
time.sleep(1)
self._esp.reset()
else:
raise RuntimeError("Was not able to find ESP32")
requests.set_socket(socket, self._esp)
if url and not self._uselocal:
self._connect_esp()
if self._debug:
print("My IP address is",
self._esp.pretty_ip(self._esp.ip_address))
# set the default background
self.set_background(self._default_bg)
board.DISPLAY.show(self.splash)
if self._debug:
print("Init SD Card")
sd_cs = DigitalInOut(board.SD_CS)
self._sdcard = None
try:
self._sdcard = adafruit_sdcard.SDCard(spi, sd_cs)
vfs = storage.VfsFat(self._sdcard)
storage.mount(vfs, "/sd")
except OSError as error:
print("No SD card found:", error)
self._qr_group = None
# Tracks whether we've hidden the background when we showed the QR code.
self._qr_only = False
if self._debug:
print("Init caption")
self._caption = None
if caption_font:
self._caption_font = bitmap_font.load_font(caption_font)
self.set_caption(caption_text, caption_position, caption_color)
if text_font:
if isinstance(text_position[0], (list, tuple)):
num = len(text_position)
if not text_wrap:
text_wrap = [0] * num
if not text_maxlen:
text_maxlen = [0] * num
if not text_transform:
text_transform = [None] * num
else:
num = 1
text_position = (text_position, )
text_color = (text_color, )
text_wrap = (text_wrap, )
text_maxlen = (text_maxlen, )
text_transform = (text_transform, )
self._text = [None] * num
self._text_color = [None] * num
self._text_position = [None] * num
self._text_wrap = [None] * num
self._text_maxlen = [None] * num
self._text_transform = [None] * num
self._text_font = bitmap_font.load_font(text_font)
if self._debug:
print("Loading font glyphs")
# self._text_font.load_glyphs(b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
# b'0123456789:/-_,. ')
gc.collect()
for i in range(num):
if self._debug:
print("Init text area", i)
self._text[i] = None
self._text_color[i] = text_color[i]
self._text_position[i] = text_position[i]
self._text_wrap[i] = text_wrap[i]
self._text_maxlen[i] = text_maxlen[i]
self._text_transform[i] = text_transform[i]
else:
self._text_font = None
self._text = None
# Add any JSON translators
self._json_transform = []
if json_transform:
if callable(json_transform):
self._json_transform.append(json_transform)
else:
self._json_transform.extend(filter(callable, json_transform))
self._image_json_path = image_json_path
self._image_url_path = image_url_path
self._image_resize = image_resize
self._image_position = image_position
self._image_dim_json_path = image_dim_json_path
if image_json_path or image_url_path:
if self._debug:
print("Init image path")
if not self._image_position:
self._image_position = (0, 0) # default to top corner
if not self._image_resize:
self._image_resize = (320, 240) # default to full screen
if hasattr(board, 'TOUCH_XL'):
if self._debug:
print("Init touchscreen")
# pylint: disable=no-member
self.touchscreen = adafruit_touchscreen.Touchscreen(
board.TOUCH_XL,
board.TOUCH_XR,
board.TOUCH_YD,
board.TOUCH_YU,
calibration=((5200, 59000), (5800, 57000)),
size=(320, 240))
# pylint: enable=no-member
self.set_backlight(1.0) # turn on backlight
elif hasattr(board, 'BUTTON_CLOCK'):
if self._debug:
print("Init cursor")
self.mouse_cursor = Cursor(board.DISPLAY,
display_group=self.splash,
cursor_speed=8)
self.mouse_cursor.hide()
self.cursor = CursorManager(self.mouse_cursor)
else:
raise AttributeError(
'PyPortal module requires either a touchscreen or gamepad.')
gc.collect()
# Jude Fairchild
# Servo Touch
# 8/26/19
import time #pylint: disable-msg=import-error
import board #pylint: disable-msg=import-error
import pulseio #pylint: disable-msg=import-error
from adafruit_motor import servo #pylint: disable-msg=import-error
import touchio #pylint: disable-msg=import-error
import digitalio #pylint: disable-msg=import-error
pwm = pulseio.PWMOut(board.D9, duty_cycle=2**15,
frequency=50) # create a PWMOut object on Pin A2.
my_servo = servo.Servo(pwm) # Create a servo object, my_servo.
Servo_Angle = 0
touch_A1 = touchio.TouchIn(board.A1) # Not a touch pin on Trinket M0!
touch_A2 = touchio.TouchIn(board.A2)
while True:
if touch_A1.value and Servo_Angle < 180: #Stating that that if the wire connected to A1 is touched and it is less than 180, it will turn the servo
print("Touched A1!") # Prints to the Serial Monitor
Servo_Angle += 1 # Turns the angle by a designated variable which for me is 1
my_servo.angle = Servo_Angle # Sets my variable "Servo_Angle" to the actual servo variable
time.sleep(0.001)
if touch_A2.value and Servo_Angle > 0:
# Magic 9 Ball
# Turn HalloWing face down and then face up to change images at random
# place 128 x 128 pixel 24-bit .bmp images at root level of HalloWing
import time
import os
import random
import board
import displayio
import pulseio
import busio
import adafruit_lis3dh
backlight = pulseio.PWMOut(board.TFT_BACKLIGHT)
splash = displayio.Group()
board.DISPLAY.show(splash)
max_brightness = 2**15
SENSITIVITY = 5 # reading in Z direction to trigger, adjustable
images = list(filter(lambda x: x.endswith("bmp"), os.listdir("/")))
i = random.randint(0, (len(images) - 1)) # initial image is randomly selected
# Set up accelerometer on I2C bus, 4G range:
I2C = busio.I2C(board.SCL, board.SDA)
ACCEL = adafruit_lis3dh.LIS3DH_I2C(I2C, address=0x18)
ACCEL.range = adafruit_lis3dh.RANGE_4_G
# import modules
import time
import board
import pulseio
# make a led object with pulseio.PWMOut on pin board.A1
led = pulseio.PWMOut(board.A1, duty_cycle=0)
fadeInc = 1000
newDutyCycle = 0
"""
pulseio.PWMOut creates a PWMOut object with the name led
you can set the duty_cycle with the property led.duty_cycle
led.duty_cycle accepts a 16-bit integer value from 0 - 65535
"""
# loop forever
while True:
newDutyCycle += fadeInc
if newDutyCycle > 65535:
newDutyCycle = 65535
fadeInc = -1000
elif newDutyCycle < 0:
newDutyCycle = 0
fadeInc = 1000
led.duty_cycle = newDutyCycle
import time
import board
import pulseio
import touchio
from adafruit_motor import servo
# create a PWMOut object on Pin D8.
pwm = pulseio.PWMOut(board.D8, duty_cycle=2**15, frequency=50)
touch_A1 = touchio.TouchIn(board.A1)
touch_A2 = touchio.TouchIn(board.A2)
my_servo = servo.Servo(pwm) # Create a servo object, my_servo.
while True:
if touch_A1.value: # Look at me, im a comment!
print("Touched A1!")
if touch_A2.value:
print("Touched A2!")
time.sleep(0.05)
import board
from digitalio import DigitalInOut, Direction, Pull
import pulseio
import simpleio
from adafruit_dotstar import DotStar
import time
import random
dotstar = DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.3)
led = DigitalInOut(board.D13)
led.direction = Direction.OUTPUT
rightEye = DigitalInOut(board.D0)
leftEye = DigitalInOut(board.D3)
sensor = DigitalInOut(board.D4)
piezo = pulseio.PWMOut(board.D2,
duty_cycle=0,
frequency=250,
variable_frequency=True)
rightEye.direction = Direction.OUTPUT
leftEye.direction = Direction.OUTPUT
sensor.direction = Direction.INPUT
sensor.pull = Pull.UP
loopCount = 0
rightEye.value = True
leftEye.value = True
dotstar[0] = (0, 0, 255)
def moved():
def on(self):
# No IR Out without an extra capacitor on the power supply
self.irtx = pulseio.PWMOut(board.IR_TX,
frequency=38000,
duty_cycle=2**15)
self.irout = pulseio.PulseOut(self.irtx)
import board import pulseio OFF = 0 ON = 2**15 buzzer = pulseio.PWMOut(board.D4, variable_frequency=True) # Using Pin D4 buzzer.duty_cycle = ON # TURN THE BUZZER ON OR OFF buzzer.frequency = 2000
#button_a = digitalio.DigitalInOut(board.D2) # GrandCentral
button_a = digitalio.DigitalInOut(board.D4) # CPX
button_a.direction = digitalio.Direction.INPUT
button_a.pull = digitalio.Pull.UP # GrandCentral
button_a.pull = digitalio.Pull.DOWN # CPX
#button_b = digitalio.DigitalInOut(board.D3) # GrandCentral
button_b = digitalio.DigitalInOut(board.D5) # CPX
button_b.direction = digitalio.Direction.INPUT
#button_b.pull = digitalio.Pull.UP # GrandCentral
button_b.pull = digitalio.Pull.DOWN # CPX
#led = digitalio.DigitalInOut(board.D9)
#led.direction = digitalio.Direction.OUTPUT
#pwm = pulseio.PWMOut(board.D9, frequency=50) # GrandCentral M4
pwm = pulseio.PWMOut(board.D13, frequency=50) # CPX
pwm.duty_cycle = 0
brightness = 0
step = 2048
while True:
# print ( str(button_a.value) + ' ' + str(button_b.value) )
if (button_a.value == True): # active high in CPX version
brightness += step
if (brightness > 65535):
brightness = 65535
if (button_b.value == True): # active high in CPX version
brightness -= step
if (brightness < 0):
def __init__(self, *, url=None, json_path=None, regexp_path=None,
default_bg=0x000000, status_neopixel=None,
text_font=None, text_position=None, text_color=0x808080,
text_wrap=False, text_maxlen=0, text_transform=None,
image_json_path=None, image_resize=None, image_position=None,
caption_text=None, caption_font=None, caption_position=None,
caption_color=0x808080,
success_callback=None, debug=False):
self._debug = debug
try:
self._backlight = pulseio.PWMOut(board.TFT_BACKLIGHT) # pylint: disable=no-member
except ValueError:
self._backlight = None
self.set_backlight(1.0) # turn on backlight
self._url = url
if json_path:
if isinstance(json_path[0], (list, tuple)):
self._json_path = json_path
else:
self._json_path = (json_path,)
else:
self._json_path = None
self._regexp_path = regexp_path
self._success_callback = success_callback
if status_neopixel:
self.neopix = neopixel.NeoPixel(status_neopixel, 1, brightness=0.2)
else:
self.neopix = None
self.neo_status(0)
try:
os.stat(LOCALFILE)
self._uselocal = True
except OSError:
self._uselocal = False
if self._debug:
print("Init display")
self.splash = displayio.Group(max_size=15)
if self._debug:
print("Init background")
self._bg_group = displayio.Group(max_size=1)
self._bg_file = None
self._default_bg = default_bg
self.splash.append(self._bg_group)
# show thank you and bootup file if available
for bootscreen in ("/thankyou.bmp", "/pyportal_startup.bmp"):
try:
os.stat(bootscreen)
board.DISPLAY.show(self.splash)
for i in range(100, -1, -1): # dim down
self.set_backlight(i/100)
time.sleep(0.005)
self.set_background(bootscreen)
board.DISPLAY.wait_for_frame()
for i in range(100): # dim up
self.set_backlight(i/100)
time.sleep(0.005)
time.sleep(2)
except OSError:
pass # they removed it, skip!
self._speaker_enable = DigitalInOut(board.SPEAKER_ENABLE)
self._speaker_enable.switch_to_output(False)
self.audio = audioio.AudioOut(board.AUDIO_OUT)
try:
self.play_file("pyportal_startup.wav")
except OSError:
pass # they deleted the file, no biggie!
# Make ESP32 connection
if self._debug:
print("Init ESP32")
esp32_ready = DigitalInOut(board.ESP_BUSY)
esp32_gpio0 = DigitalInOut(board.ESP_GPIO0)
esp32_reset = DigitalInOut(board.ESP_RESET)
esp32_cs = DigitalInOut(board.ESP_CS)
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
self._esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready,
esp32_reset, esp32_gpio0)
#self._esp._debug = 1
for _ in range(3): # retries
try:
print("ESP firmware:", self._esp.firmware_version)
break
except RuntimeError:
print("Retrying ESP32 connection")
time.sleep(1)
self._esp.reset()
else:
raise RuntimeError("Was not able to find ESP32")
requests.set_interface(self._esp)
if url and not self._uselocal:
self._connect_esp()
# set the default background
self.set_background(self._default_bg)
board.DISPLAY.show(self.splash)
if self._debug:
print("Init SD Card")
sd_cs = DigitalInOut(board.SD_CS)
self._sdcard = None
try:
self._sdcard = adafruit_sdcard.SDCard(spi, sd_cs)
vfs = storage.VfsFat(self._sdcard)
storage.mount(vfs, "/sd")
except OSError as error:
print("No SD card found:", error)
self._qr_group = None
if self._debug:
print("Init caption")
self._caption = None
if caption_font:
self._caption_font = bitmap_font.load_font(caption_font)
self.set_caption(caption_text, caption_position, caption_color)
if text_font:
if isinstance(text_position[0], (list, tuple)):
num = len(text_position)
if not text_wrap:
text_wrap = [0] * num
if not text_maxlen:
text_maxlen = [0] * num
if not text_transform:
text_transform = [None] * num
else:
num = 1
text_position = (text_position,)
text_color = (text_color,)
text_wrap = (text_wrap,)
text_maxlen = (text_maxlen,)
text_transform = (text_transform,)
self._text = [None] * num
self._text_color = [None] * num
self._text_position = [None] * num
self._text_wrap = [None] * num
self._text_maxlen = [None] * num
self._text_transform = [None] * num
self._text_font = bitmap_font.load_font(text_font)
if self._debug:
print("Loading font glyphs")
# self._text_font.load_glyphs(b'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
# b'0123456789:/-_,. ')
gc.collect()
for i in range(num):
if self._debug:
print("Init text area", i)
self._text[i] = None
self._text_color[i] = text_color[i]
self._text_position[i] = text_position[i]
self._text_wrap[i] = text_wrap[i]
self._text_maxlen[i] = text_maxlen[i]
self._text_transform[i] = text_transform[i]
else:
self._text_font = None
self._text = None
self._image_json_path = image_json_path
self._image_resize = image_resize
self._image_position = image_position
if image_json_path:
if self._debug:
print("Init image path")
if not self._image_position:
self._image_position = (0, 0) # default to top corner
if not self._image_resize:
self._image_resize = (320, 240) # default to full screen
if self._debug:
print("Init touchscreen")
# pylint: disable=no-member
self.touchscreen = adafruit_touchscreen.Touchscreen(board.TOUCH_XL, board.TOUCH_XR,
board.TOUCH_YD, board.TOUCH_YU,
calibration=((5200, 59000),
(5800, 57000)),
size=(320, 240))
# pylint: enable=no-member
self.set_backlight(1.0) # turn on backlight
gc.collect()
from simpleio import map_range
import adafruit_dotstar as dotstar
import time
import pulseio
print("stringcar 2018-03-24 v07.py")
# set up dotstar indicator output
dot = dotstar.DotStar(board.APA102_SCK, board.APA102_MOSI, 1, brightness=0.3)
# set up busy indicator output (red LED)
busy = DigitalInOut(board.D13)
busy.direction = Direction.OUTPUT
# set up motor controller outputs
ain01 = pulseio.PWMOut(board.D3, frequency=1900, duty_cycle=0)
ain02 = pulseio.PWMOut(board.D4, frequency=1900, duty_cycle=0)
# set up EOS sensor switch input
sensor_eos = DigitalInOut(board.D2)
sensor_eos.direction = Direction.INPUT
sensor_eos.pull = Pull.UP
# set up potentiometer control input
ctl = AnalogIn(board.D1)
# set up piezo output
piezo = pulseio.PWMOut(board.D0,
duty_cycle=0,
frequency=440,
variable_frequency=True)
import displayio
import adafruit_miniqr
import board
import pulseio
import busio
import microcontroller as m
import time
from analogio import AnalogIn
import array
from digitalio import DigitalInOut, Direction, Pull
#backlight = DigitalInOut(board.TFT_BACKLIGHT)
#backlight.direction = Direction.OUTPUT
#backlight.value = False
pwm = pulseio.PWMOut(board.TFT_BACKLIGHT)
pwm.duty_cycle = 0 #65535-16000
display = board.DISPLAY
def bitmap_qr(matrix):
"""The QR code bitmap."""
border_pixels = 2
bitmap = displayio.Bitmap(matrix.width + 2 * border_pixels,
matrix.height + 2 * border_pixels, 2)
for y in range(matrix.height):
for x in range(matrix.width):
if matrix[x, y]:
bitmap[x + border_pixels, y + border_pixels] = 1
else:
"""CircuitPython Essentials PWM pin identifying script"""
import board
import pulseio
for pin_name in dir(board):
pin = getattr(board, pin_name)
try:
p = pulseio.PWMOut(pin)
p.deinit()
print("PWM on:", pin_name) # Prints the valid, PWM-capable pins!
except ValueError: # This is the error returned when the pin is invalid.
print("No PWM on:", pin_name) # Prints the invalid pins.
except RuntimeError: # Timer conflict error.
print("Timers in use:", pin_name) # Prints the timer conflict pins.
except TypeError: # Error returned when checking a non-pin object in dir(board).
pass # Passes over non-pin objects in dir(board).
import time
import board
import pulseio
led = pulseio.PWMOut(board.PWM0, frequency=5000, duty_cycle=0)
while True:
for i in range(100):
# PWM LED up and down
if i < 50:
led.duty_cycle = int(i * 2 * 65535 / 100) # Up
else:
led.duty_cycle = 65535 - int((i - 50) * 2 * 65535 / 100) # Down
time.sleep(0.01)
'temp_value_alarm.py'.
=================================================
sounds an alarm when the temp_value crosses a threshold
requires:
- simpleio
"""
import time
import analogio
import pulseio
import board
from simpleio import map_range
piezo = pulseio.PWMOut(board.D8,
frequency=440,
duty_cycle=0,
variable_frequency=True)
tmp36 = analogio.AnalogIn(board.A0)
freeze_temp = 0
boiling_temp = 100
while True:
temp_value = map_range(tmp36.value, 0, 65535, 0, 5)
# temp to degrees C
temp_value = (temp_value - .5) * 100
print(temp_value)
if temp_value < freeze_temp:
piezo.duty_cycle = 30000
if temp_value > boiling_temp:
from simpleio import map_range
import adafruit_dotstar as dotstar
import time
import pulseio
print("stringcar 2020-09-05 v08.py")
# set up dotstar indicator output (GBR orientation)
dot = dotstar.DotStar(board.DOTSTAR_CI, board.DOTSTAR_DI, 1, brightness=0.5)
# set up busy indicator output (red LED)
busy = DigitalInOut(board.LED_STATUS)
busy.direction = Direction.OUTPUT
# set up motor controller outputs
ain01 = pulseio.PWMOut(board.MOTOR_OUT_1, frequency=25, duty_cycle=0)
ain02 = pulseio.PWMOut(board.MOTOR_OUT_2, frequency=25, duty_cycle=0)
# set up EOS sensor switch input
sensor_eos = DigitalInOut(board.SENSOR_IN)
sensor_eos.direction = Direction.INPUT
sensor_eos.pull = Pull.UP
# Analog input on VOLTAGE_MONITOR
v_plus = AnalogIn(board.VOLTAGE_MONITOR)
# set up potentiometer control input
#ctl = AnalogIn(board.D1)
# set up piezo output
piezo = pulseio.PWMOut(board.PIEZO,
spi_clock = digitalio.DigitalInOut(board.SCK)
spi_clock.direction = digitalio.Direction.OUTPUT
spi_mosi = digitalio.DigitalInOut(board.MOSI)
spi_mosi.direction = digitalio.Direction.OUTPUT
spi_miso = digitalio.DigitalInOut(board.MISO)
spi_miso.direction = digitalio.Direction.INPUT
# print((42 * '*') + "\n" + "init busio.SPI")
# spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
print("init bitbangio.SPI")
spi = bitbangio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
# maximum frequency is currently hardcoded to 6MHz
# https://github.com/adafruit/circuitpython/blob/master/ports/atmel-samd/common-hal/pulseio/PWMOut.c#L119
gsclk_freqency = (6000 * 1000) # 6MHz
gsclk = pulseio.PWMOut(board.D9, duty_cycle=(2**15), frequency=gsclk_freqency)
print("gsclk.frequency: {:}MHz".format(gsclk.frequency / (1000 * 1000)))
latch = digitalio.DigitalInOut(board.D7)
latch.direction = digitalio.Direction.OUTPUT
##########################################
print(42 * '*')
print("define pixel array / init TLC5957")
rows = 4
cols = 4
num_leds = rows * cols
pixels = slight_tlc5957.TLC5957(spi=spi,
latch=latch,
gsclk=gsclk,
spi_clock=spi_clock,
from rtttl import RTTTL
import songs
import board
import pulseio
import time
speaker_pin = board.D0 # Speaker is connected to this DIGITAL pin
# Initialize input/output pins
pwm = pulseio.PWMOut(speaker_pin, variable_frequency=True, duty_cycle=0)
def play_tone(freq, msec):
# print('freq = {:6.1f} msec = {:6.1f}'.format(freq, msec))
if freq > 0:
pwm.frequency = int(freq) # Set frequency
pwm.duty_cycle = 32767 # 50% duty cycle
time.sleep(msec * 0.001) # Play for a number of msec
pwm.duty_cycle = 0 # Stop playing
time.sleep(0.05) # Delay 50 ms between notes
tune = RTTTL(songs.find('Super Mario - Main Theme'))
for freq, msec in tune.notes():
play_tone(freq, msec)
import time
import board
import pulseio
from digitalio import DigitalInOut, Direction
# PWM (fading) LEDs are connected on D0 (PWM not avail on D1)
pwm_leds = board.D0
pwm = pulseio.PWMOut(pwm_leds, frequency=1000, duty_cycle=0)
# digital LEDs connected on D2
digital_leds = DigitalInOut(board.D2)
digital_leds.direction = Direction.OUTPUT
brightness = 0 # how bright the LED is
fade_amount = 4000 # 2% steping of 2^16
counter = 0 # counter to keep track of cycles
while True:
# And send to LED as PWM level
pwm.duty_cycle = brightness
# change the brightness for next time through the loop:
brightness = brightness + fade_amount
print(brightness)
# reverse the direction of the fading at the ends of the fade:
if brightness <= 0:
fade_amount = -fade_amount
counter += 1
keyPressed = False
# IR setup
pulsein = pulseio.PulseIn(board.D12, maxlen=120, idle_state=True)
decoder = adafruit_irremote.GenericDecode()
# size must match what you are decoding! for NEC use 4
received_code = bytearray(4)
# Docs for adafruit_irremote: (https://circuitpython.readthedocs.io/projects/irremote/en/latest/api.html#implementation-notes)
# Article for IR Apple Remote Code: https://www.hackster.io/BlitzCityDIY/circuit-python-ir-remote-for-apple-tv-e97ea0
# IR Test Code (Apple Remote): https://github.com/BlitzCityDIY/Circuit-Python-Apple-TV-IR-Remote/blob/master/ciruitPython_appleTv_IR-Remote
# pwm out test
OKAY = bytearray(b'\x88\x1e\xc5 ') # decoded [136, 30, 197, 32]
ir_transmitter = adafruit_irremote.GenericTransmit((9050, 4460), (550, 1650), (570, 575), 575)
ir_transmitter_pwm = pulseio.PWMOut(board.D11, frequency=38000, duty_cycle=2 ** 15)
# ----------------------------------------------------------------------------------
""" Functions """
def check_keypresses():
global remote_keypad, keyPressed, key_pressed_dict
# this will be a list of returned keys'; [..., ...]
keys = keypad.pressed_keys
# if we have any keys, then loop over the key names
if keys:
keyPressed = True
import time
import board
import pulseio
from adafruit_motor import servo
# create a PWMOut object on Pin PWM3.
pwm = pulseio.PWMOut(board.PWM3, duty_cycle=0, frequency=50)
# Create a servo object, my_servo.
my_servo = servo.Servo(pwm)
while True:
for angle in range(0, 180, 5): # 0 - 180 degrees, 5 degrees at a time.
my_servo.angle = angle
time.sleep(0.05)
for angle in range(180, 0, -5): # 180 - 0 degrees, 5 degrees at a time.
my_servo.angle = angle
time.sleep(0.05)
except Exception as e:
print(e)
print(
"You probably don't have a pms5003 connected, continuing without particulate logging"
)
is_pms5003 = False
# set up connection with the ltr559
i2c_dev = not_SMBus(I2C=i2c)
ltr559 = LTR559(i2c_dev=i2c_dev)
# setup screen
screen = screen.Screen(backlight_control=False)
# define our pwm pin (for changing the screen brightness)
pwm = pulseio.PWMOut(pimoroni_physical_feather_pins.pin21())
# start the screen at 50% brightness
pwm.duty_cycle = 2**15
# set up mic input
mic = analogio.AnalogIn(pimoroni_physical_feather_pins.pin8())
# colours for the plotter are defined as rgb values in hex, with 2 bytes for each colour
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
# Setup bme280 screen plotter
# the max value is set to 70 as it is the screen height in pixels after the labels (top_space) (this is just to make a calculation later on easier)
bme280_splotter = plotter.ScreenPlotter([red, green, blue, red + green + blue],
import time
import board
import pulseio
from adafruit_motor import servo
# SERVO ORIENTATION
# BOTTOMS / towards 0, \ towards 180
# TOPS Counter clockwise towards 0 (right leg in, left leg out), v.v for 180
# calibrated angle for the leg
true90top = 97
true90bottom = 87
# create a PWMOut object on Pin A2.
d10 = pulseio.PWMOut(board.D10, duty_cycle=2**15, frequency=50)
d11 = pulseio.PWMOut(board.D11, duty_cycle=2**15, frequency=50)
d9 = pulseio.PWMOut(board.D9, duty_cycle=2**15, frequency=50)
d7 = pulseio.PWMOut(board.D7, duty_cycle=2**15, frequency=50)
# Create a servo object, my_servo.
LT = servo.Servo(d11)
LB = servo.Servo(d9)
RT = servo.Servo(d10)
RB = servo.Servo(d7)
# reset servos to their default angle.
def resetServo():
LT.angle = true90top
time.sleep(0.5)
