How to use led method in fMBT

Best Python code snippet using fMBT_python

physense_emuX.py

Source:physense_emuX.py

1from guizero import *2led_widgets = []3light_toggle = False4pb_light = None5# Store the led image files in lists6RED_LED_IMAGES = ['src/rLedOff.PNG', 'src/rLedOn.PNG']7YELLOW_LED_IMAGES = ['src/yLedOff.PNG', 'src/yLedOn.PNG']8GREEN_LED_IMAGES = ['src/gLedOff.PNG', 'src/gLedOn.PNG']9BLUE_LED_IMAGES = ['src/bLedOff.PNG', 'src/bLedOn.PNG']10LIGHT_IMAGES = ['src/sun.PNG', 'src/moon.PNG']11def main():12    global led_widgets, pb_light13    app = App(title='Physical Programming Simulator', bg='tan', height=650, layout='grid')14    Text(app, text=' ' * 8, grid=[0, 0])15    Text(app, text='LEDs', grid=[1, 1, 1, 2])16    Text(app, text='rled', color='red', grid=[1, 3])17    red_led = Picture(app, image=RED_LED_IMAGES[0], grid=[1, 4])18    Text(app, grid=[1, 5])19    Text(app, text='yled', color='yellow', grid=[1, 6])20    yellow_led = Picture(app, image=YELLOW_LED_IMAGES[0], grid=[1, 7])21    Text(app, grid=[1, 8])22    Text(app, text='gled', color='green', grid=[1, 9])23    green_led = Picture(app, image=GREEN_LED_IMAGES[0], grid=[1, 10])24    Text(app, grid=[1, 11])25    Text(app, text='bled', color='blue', grid=[1, 12])26    blue_led = Picture(app, image=BLUE_LED_IMAGES[0], grid=[1, 13])27    # Store the led widgets in a list28    led_widgets = [red_led, yellow_led, green_led, blue_led]29    Text(app, text=' ' * 8, grid=[2, 0])30    Text(app, text='Push', grid=[3, 1])31    Text(app, text='Buttons', grid=[3, 2])32    PushButton(app, text='Button_1', command=lambda: button_click(1), grid=[3, 4])33    PushButton(app, text='Button_2', command=lambda: button_click(2), grid=[3, 7])34    PushButton(app, text='Button_3', command=lambda: button_click(3), grid=[3, 10])35    PushButton(app, text='Button_4', command=lambda: button_click(4), grid=[3, 13])36    Text(app, text=' ' * 8, grid=[4, 0])37    Text(app, text='Light', grid=[5, 1])38    Text(app, text='Sensor', grid=[5, 2])39    pb_light = PushButton(app, image=LIGHT_IMAGES[0], width=180,40                          height=180, command=toggle_light, grid=[5, 4])41    Text(app, text='buzz', grid=[5, 9])42    Picture(app, image='src/Speaker.png', grid=[5, 10])43    Text(app, text=' ' * 8, grid=[6, 0])44    Text(app, text='Temperature', grid=[7, 1])45    Text(app, text='Sensor', grid=[7, 2])46    Slider(app, horizontal=False, start=150, end=-50, align='top',47           width=50, height=200, command=temperature_changed, grid=[7, 4, 1, 7])48    # Refresh the display every 100 ms to update the leds49    app.repeat(100, led_update)50    app.display()51def toggle_light():52    global light_toggle53    file = open('data/light.txt', 'w')54    # Toggle the images between sun and moon55    if light_toggle:56        pb_light.image = LIGHT_IMAGES[0]57        file.write('on')58    else:59        pb_light.image = LIGHT_IMAGES[1]60        file.write('off')61    file.close()62    light_toggle = not light_toggle63def temperature_changed(degc):64    file = open('data/temperature.txt', 'w')65    file.write(degc)66    file.close()67def button_click(btn_num):68    file = open('data/button_status.txt', 'w')69    file.write('Button_' + str(btn_num))70    file.close()71def led_update():72    # Read the required led status from the data file73    file = open('data/led_status.txt', 'r')74    led_status = file.readline().split()75    file.close()76    # Update the leds to the required status77    if int(led_status[0]) == 0:78        led_widgets[0].image = RED_LED_IMAGES[0]79    else:80        led_widgets[0].image = RED_LED_IMAGES[1]81    if int(led_status[1]) == 0:82        led_widgets[1].image = YELLOW_LED_IMAGES[0]83    else:84        led_widgets[1].image = YELLOW_LED_IMAGES[1]85    if int(led_status[2]) == 0:86        led_widgets[2].image = GREEN_LED_IMAGES[0]87    else:88        led_widgets[2].image = GREEN_LED_IMAGES[1]89    if int(led_status[3]) == 0:90        led_widgets[3].image = BLUE_LED_IMAGES[0]91    else:92        led_widgets[3].image = BLUE_LED_IMAGES[1]...

code.py

Source:code.py

1import board2import time3import touchio4import digitalio5import neopixel6# setup feather trigger7trigger = digitalio.DigitalInOut(board.D0)8trigger.direction = digitalio.Direction.OUTPUT9# setup neopxixel10pixelCount = 3011strip = neopixel.NeoPixel(board.A2, pixelCount, brightness=.2)12strip.fill((255, 0, 0))13strip.show()14# Touch state machine15touch = touchio.TouchIn(board.A1)16touch.threshold += 20017touchCheckInterval = 0.0118previousTouchMilliseconds = 019# LED state machine20ledTransitionInterval = 0.121ledBrightness = 122ledBrightnessDirection = 'down'23previousLedMilliseconds = 024def idleLights(ledBrightness, ledBrightnessDirection):25    if ledBrightness < 0.2:26        ledBrightnessDirection = 'up'27    if ledBrightness >= 1:28        ledBrightnessDirection = 'down'29    if ledBrightnessDirection == 'up':30        ledBrightness += 0.131    else:32        ledBrightness -= 0.133    strip.fill((255, 0, 0))34    strip.brightness = ledBrightness35    strip.show()36    return ledBrightness, ledBrightnessDirection37def manageTouch():38    print('checking touch')39    strip.show()40    if touch.value:41        print("A1 touched!")42        trigger.value = True43        time.sleep(0.01)44        trigger.value = False45        for i in range(11):46            if i % 2 == 0:47                strip.fill((255, 255, 255))48            else:49                strip.fill((148, 0, 211))50            strip.show()51            time.sleep(0.001)52        time.sleep(1)53while True:54    currentMilliseconds = time.monotonic()55    if currentMilliseconds - previousLedMilliseconds > ledTransitionInterval:56        previousLedMilliseconds = currentMilliseconds57        ledBrightness, ledBrightnessDirection = idleLights(58            ledBrightness, ledBrightnessDirection)59    if currentMilliseconds - previousTouchMilliseconds > touchCheckInterval:60        previousTouchMilliseconds = currentMilliseconds...

7seg.py

Source:7seg.py

1import RPi.GPIO as led2import time3led.setmode(led.BOARD)4led.setwarnings(False)5# {"a" : 7, "b" : 11, "c" : 19, "d" : 15, "e" : 13, "f" : 5, "g" : 3}6led_pins   = [3, 5, 7, 11, 13, 15, 19, 21]7led_pins_0 = [5, 7, 11, 13, 15, 19]8led_pins_1 = [11, 19]9led_pins_2 = [7, 11, 3, 15, 13]10led_pins_3 = [7, 11, 19, 15, 3]11led_pins_4 = [5, 3, 11, 19]12led_pins_5 = [7, 5, 3, 19, 15]13led_pins_6 = [7, 5, 3, 19, 15, 13]14led_pins_7 = [7, 11, 19]15led_pins_8 = [3, 5, 7, 11, 13, 15, 19]16led_pins_9 = [3, 5, 7, 11, 15, 19]17digits = [led_pins_0,18led_pins_1,19led_pins_2,20led_pins_3,21led_pins_4,22led_pins_5,23led_pins_6,24led_pins_7,25led_pins_8,26led_pins_9]27for x in led_pins:28    led.setup(x, led.OUT)29    led.output(x, 0)30    31while True:32    for i in digits:33        for j in i:34            led.output(j, 1)35        time.sleep(1)36        for j in i:...

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