from microbit import *
import log
import time

# Logging will be mirrored on console.
log.set_mirroring(True) 
# Define which columns we are going to log, and disable timestamps
log.set_labels('launch_ts', 'ax', 'ay', 'az', timestamp=None)

# The standard setting only allows accelerations up to 2g, we want 8g!
accelerometer.set_range(8)

START_TS = time.ticks_ms()  # start timestamp

# Set the timer to log data every 20 milliseconds (50 measurements per second)
@run_every(ms=20)
def log_single_row():
    # Timestamp in milliseconds since countdown start.
    timestamp = time.ticks_ms() - START_TS
    accel = accelerometer.get_values()
    log.add(launch_ts=timestamp, ax=accel[0], ay=accel[1], az=accel[2])


while True:
    sleep(100) # sleep forever