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ladyadaladyada
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Merge pull request #1041 from ladyada/master
circuit Stonks & Plenbit demo
2 parents 40dbb7a + 6ea9c44 commit 40648b6

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‎CLUE_plenbit_demo/code.py‎

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import busio
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import board
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from digitalio import DigitalInOut, Direction
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from adafruit_pca9685 import PCA9685
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from adafruit_motor import servo
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led = DigitalInOut(board.P16)
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led.direction = Direction.OUTPUT
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i2c = busio.I2C(board.SCL, board.SDA)
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pca = PCA9685(i2c, address=0x68)
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pca.frequency = 50
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servoSetInit = (1000, 630, 500, 600, 240, 600, 1000, 720)
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servoAngle = [1000, 630, 500, 600, 240, 600, 1000, 720]
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motionSpeed = 15
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servos = []
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for c in range(8):
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servos.append(servo.Servo(pca.channels[c], min_pulse=800, max_pulse=2200))
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def servoInitialSet():
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print("Initialize servos")
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for i in range(8):
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servos[i].angle = servoSetInit[i] / 10
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def servoFree(n = None):
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if n:
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print("Release servo #", n)
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servos[n].angle = None
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else:
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print("Release all servos")
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for s in servos:
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s.angle = None
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def servoWrite(num, degrees):
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degrees = min(max(degrees, 0), 180)
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servos[num].angle = degrees
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# angle is a list of 8 target values
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def setAngle(angle, msec):
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step = [0, 0, 0, 0, 0, 0, 0, 0]
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msec = msec / motionSpeed # now 15//default 10; //speedy 20 Speed Adj
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for val in range(8):
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target = servoSetInit[val] - angle[val]
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target = min(max(target, 0), 1800)
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if target != servoAngle[val]: # Target != Present
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step[val] = (target - servoAngle[val]) / msec
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#print(step)
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for _ in range(msec):
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for val in range(8):
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servoAngle[val] += step[val]
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#print("setting servo %d to %d" % (val, int(servoAngle[val] / 10)))
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servoWrite(val, servoAngle[val] / 10)
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#time.sleep(msec / 1000)
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print(servoAngle)
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servoInitialSet()
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led.value = False
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setAngle([0, 0, -200, 0, 0, 0, 0, 0], 500)
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setAngle([0, 0, -1800, 0, 0, 0, 1800, 0], 500)
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setAngle([900, 0, -1800, 0, -900, 0, 1800, 0], 500)
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setAngle([900, 0, -200, 0, -900, 0, 0, 0], 500)
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setAngle([900, 0, -1800, 0, -900, 0, 1800, 0], 500)
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setAngle([900, 0, -200, 0, -900, 0, 0, 0], 500)
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setAngle([0, 0, -200, 0, 0, 0, 0, 0], 500)
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led.value = True
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servoFree()

‎CircuitStonks/code.py‎

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import time
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import board
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import busio
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from digitalio import DigitalInOut
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from adafruit_esp32spi import adafruit_esp32spi
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from adafruit_esp32spi import adafruit_esp32spi_wifimanager
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from adafruit_featherwing import minitft_featherwing
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import terminalio
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from adafruit_display_text import label
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import displayio
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minitft = minitft_featherwing.MiniTFTFeatherWing()
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# Get wifi details and more from a secrets.py file
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try:
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from secrets import secrets
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except ImportError:
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print("WiFi secrets are kept in secrets.py, please add them there!")
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raise
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# If you are using a board with pre-defined ESP32 Pins:
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esp32_cs = DigitalInOut(board.D13)
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esp32_ready = DigitalInOut(board.D11)
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esp32_reset = DigitalInOut(board.D12)
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spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
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esp = adafruit_esp32spi.ESP_SPIcontrol(spi, esp32_cs, esp32_ready, esp32_reset)
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wifi = adafruit_esp32spi_wifimanager.ESPSPI_WiFiManager(esp, secrets)
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# Symbol "INX" for S&P500, "DJIA" for Dow
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DATA_SOURCE = "https://www.alphavantage.co/query?function=GLOBAL_QUOTE&apikey="
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DATA_SOURCE += secrets['alphavantage_key']
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symbols = ["DJIA", "INX", "AAPL", "TSLA", "MSFT"]
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# Set text, font, and color
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group = displayio.Group()
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symbol_text = label.Label(terminalio.FONT, text="WiFi", color=0xFFFFFF,
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scale=3, max_glyphs=10)
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symbol_text.anchor_point = (0.0, 0.0)
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symbol_text.anchored_position = (0, 10)
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price_text = label.Label(terminalio.FONT, text="Connect...", color=0xFFFF00,
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scale=3, max_glyphs=10)
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price_text.anchor_point = (0, 1)
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price_text.anchored_position = (0, 75)
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change_text = label.Label(terminalio.FONT, text="", color=0xFFFF00,
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scale=2, max_glyphs=10)
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change_text.anchor_point = (0, 0)
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change_text.anchored_position = (80, 10)
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group.append(symbol_text)
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group.append(price_text)
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group.append(change_text)
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minitft.display.show(group)
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refresh = None
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i = 0
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while True:
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# only query the api every 10 sec (and on first run)
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if (not refresh) or ((time.monotonic() - refresh) > 10):
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try:
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symbol = symbols[i]
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i = (i + 1) % len(symbols) # go to the next symbol
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response = wifi.get(DATA_SOURCE+"&symbol="+symbol).json()
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print("Response is", response)
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symbol_text.text = response['Global Quote']['01. symbol']
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spot = round(float(response['Global Quote']['05. price']))
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price_text.text = '${:,d}'.format(spot)
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change = float(response['Global Quote']['09. change'])
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print("Price is $", spot, "Change: $", change)
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if change >= 0:
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change_text.text = '+${:,d}'.format(round(change))
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change_text.color = 0x00FF00
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else:
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change_text.text = '-${:,d}'.format(abs(round(change)))
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change_text.color = 0xFF0000
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refresh = time.monotonic()
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except RuntimeError as e:
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print("Some error occured, retrying! -", e)
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time.sleep(5)
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continue
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time.sleep(5)

‎CircuitStonks/secrets.py‎

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secrets = {
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'ssid' : 'myssid',
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'password' : 'mypassword',
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'timezone' : "America/New_York", # http://worldtimeapi.org/timezones
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'alphavantage_key' : 'GRABAFREEKEYONLINE'
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}

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