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Content import bhi160 import display import utime import math import buttons import power import bme680 import color import display backlight = 20 def set_backlight(x): global backlight if x != backlight: try: display.backlight(x) except AttributeError: import sys_display sys_display.backlight(x) backlight = x disp = display.open() steps = 0 flag = 0 iteration = 0 idle = False idle_time = 0 set_backlight(20) def sqrt(x): if x <= 0.0: return 0.0 r = float(x)/3.0 for i in range(32): r = (r + (float(x) / r) / 2.0) return r bme680.init() RED = [255, 0, 0] YELLOW = [255, 255, 0] ORANGE = [255, 128, 0] GREEN = [0, 255, 0] BLUE = [0, 0, 255] def activity(iteration): global idle, idle_time idle = False idle_time = iteration with bhi160.BHI160Accelerometer() as sensor: voltage = 0 temperature = 0 while True: if iteration % 60 == 0: voltage = power.read_battery_voltage() temperature = bme680.get_data()[0] if iteration - idle_time > 30: idle = True samples = sensor.read() if len(samples) > 0: sample = samples[0] s = sqrt(sample.x*sample.x + sample.y*sample.y + sample.z*sample.z) if s > 10: color = RED if flag == 0: steps += 1 flag = 1 activity(iteration) elif s > 8: color = ORANGE flag = 0 activity(iteration) elif s > 7: color = YELLOW flag = 0 activity(iteration) else: color = GREEN flag = 0 if not idle: battery_color = GREEN if voltage < 3.5: battery_color = RED elif voltage < 3.6: battery_color = ORANGE elif voltage < 3.8: battery_color = YELLOW temperature_color = GREEN if temperature > 35: temperature_color = RED elif temperature > 30: temperature_color = ORANGE elif temperature > 25: temperature_color = ORANGE elif temperature < 18: temperature_color = BLUE set_backlight(20) disp.clear() disp.print("Steps: %d" % (steps), posy=0, fg=color) disp.print("Battery:", posy=20, fg=battery_color) disp.print("%f V" % (voltage), posy=40, fg=battery_color) disp.print("%.2f C" % (temperature), posy=60, fg=temperature_color) disp.update() else: set_backlight(0) v = buttons.read(buttons.TOP_RIGHT) if v == 0: button_pressed = False if not button_pressed and v & buttons.TOP_RIGHT != 0: button_pressed = True steps = 0 flag = 0 idle_time = iteration utime.sleep(0.1) iteration += 1