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Content import bhi160 import display import utime import buttons import leds import os from color import Color disp = display.open() sensor = 0 sensors = [ # {"sensor": bhi160.BHI160Orientation(), "name": "Orientation"}, {"sensor": bhi160.BHI160Accelerometer(), "name": "Accelerometer"}, {"sensor": bhi160.BHI160Gyroscope(), "name": "Gyroscope"}, ] subtractors = [0.5, 128] battery_color_good = [ 0,230,0] battery_color_ok = [255,215,0] battery_color_bad = [255, 0,0] def get_bat_color(): """ Function determines the color of the battery indicator. Colors can be set in config. Voltage threshold's are currently estimates as voltage isn't that great of an indicator for battery charge. :return: false if old firmware, RGB color array otherwise """ try: v = os.read_battery() if v > 3.8: return battery_color_good if v > 3.6: return battery_color_ok return battery_color_bad except AttributeError: return False def render_battery(disp): """ Adds the battery indicator to the display. Does not call update or clear so it can be used in addition to other display code. :param disp: open display """ c = get_bat_color() if not c: return disp.rect(140, 2, 155, 9, filled=True, col=c) disp.rect(155, 4, 157, 7, filled=True, col=c) try: v = os.read_battery() disp.print("{:.4} V".format(v), posy=40, fg=c) if v < 4.0: disp.rect(151, 3, 154, 8, filled=True, col=[0,0,0]) if v < 3.8: disp.rect(146, 3, 151, 8, filled=True, col=[0,0,0]) if v < 3.6: disp.rect(141, 3, 146, 8, filled=True, col=[0,0,0]) except AttributeError: return while True: # Read and print sample samples = sensors[sensor]["sensor"].read() if len(samples) > 0: disp.clear() sample = samples[0] color = [255, 0, 0] if sample.status == 1: color = [255, 128, 0] elif sample.status == 2: color = [255, 255, 0] elif sample.status == 3: color = [0, 200, 0] subtractor = subtractors[sensor] colors = [abs(s) - subtractor for s in [sample.x, sample.y, sample.z]] display_colors = [0 if c < 0 else 255 for c in colors] new_color = Color(*display_colors) render_battery(disp) disp.update() leds.set_all([new_color for _ in range(11)]) # Read button v = buttons.read(buttons.BOTTOM_RIGHT) if v == 0: button_pressed = False if not button_pressed and v & buttons.BOTTOM_RIGHT != 0: button_pressed = True sensor = (sensor + 1) % len(sensors)