gyro_sensor

# Reads the gyro sensor, and displays a '+' accordingly
# Copyright 2023, 2024 Roland Richter                [Mu: BBC micro:bit]

import microbit

def compute_position(value):
    if value < -600:
        return 0
    elif value < -200:
        return 1
    elif value < 200:
        return 2
    elif value < 600:
        return 3
    else:
        return 4


# Draw a vertical line at column c (between 0 and 4)
def draw_vertical_line(c):
    microbit.display.set_pixel(c, 0, 9)
    microbit.display.set_pixel(c, 1, 9)
    microbit.display.set_pixel(c, 2, 9)
    microbit.display.set_pixel(c, 3, 9)
    microbit.display.set_pixel(c, 4, 9)


# Draw a horizontal line at row r (between 0 and 4)
def draw_horizontal_line(r):
    microbit.display.set_pixel(0, r, 9)
    microbit.display.set_pixel(1, r, 9)
    microbit.display.set_pixel(2, r, 9)
    microbit.display.set_pixel(3, r, 9)
    microbit.display.set_pixel(4, r, 9)


while True:
    microbit.display.clear()
    x_val = microbit.accelerometer.get_x()
    col = compute_position(x_val)

    y_val = microbit.accelerometer.get_y()
    row = compute_position(y_val)

    draw_vertical_line(col)
    draw_horizontal_line(row)
    microbit.sleep(100)


# ----------------------------------------------------------------------
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.