class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
buzzer_pin=15,
button_pin=16,
rotary_pin=3,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0,
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin,
)
self.buzzer = Gpio(self.pin_mappings.buzzer_pin)
self.rotary = Rotary(self.pin_mappings.rotary_pin)
self.button = Button(self.pin_mappings.button_pin)
self.buzzer.dir(DIR_OUT)
self.rotary_value = 0
self.button_state = False
def update_hardware_state(self):
"""
Update hardware state.
"""
current_rotary_value = self.read_rotary()
if current_rotary_value != self.rotary_value:
self.trigger_hardware_event(ROTARY, current_rotary_value)
self.rotary_value = current_rotary_value
current_button_state = self.button.value()
if current_button_state != self.button_state:
if not current_button_state:
self.trigger_hardware_event(BUTTON_RELEASED)
self.button_state = current_button_state
# hardware functions
def start_buzzer(self):
"""
Start the hardware buzzer.
"""
self.buzzer.write(1)
def stop_buzzer(self):
"""
Stop the hardware buzzer.
"""
self.buzzer.write(0)
def read_rotary(self):
"""
Read rotary value.
"""
return self.rotary.abs_value()
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
def change_brightness(self, value):
"""
Change LCD screen brightness.
Only supports on (value < 512) and off (value >= 512) on the dfrobot.
"""
if value < 512:
self.screen.displayOff()
else:
self.screen.displayOn()
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
buzzer_pin=15,
button_pin=16,
rotary_pin=3,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
self.buzzer = Gpio(self.pin_mappings.buzzer_pin)
self.rotary = Rotary(self.pin_mappings.rotary_pin)
self.button = Button(self.pin_mappings.button_pin)
self.buzzer.dir(DIR_OUT)
self.rotary_value = 0
self.button_state = False
def update_hardware_state(self):
"""
Update hardware state.
"""
current_rotary_value = self.read_rotary()
if current_rotary_value != self.rotary_value:
self.trigger_hardware_event(ROTARY, current_rotary_value)
self.rotary_value = current_rotary_value
current_button_state = self.button.value()
if current_button_state != self.button_state:
if not current_button_state:
self.trigger_hardware_event(BUTTON_RELEASED)
self.button_state = current_button_state
# hardware functions
def start_buzzer(self):
"""
Start the hardware buzzer.
"""
self.buzzer.write(1)
def stop_buzzer(self):
"""
Stop the hardware buzzer.
"""
self.buzzer.write(0)
def read_rotary(self):
"""
Read rotary value.
"""
return self.rotary.abs_value()
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
def change_brightness(self, value):
"""
Change LCD screen brightness.
Only supports on (value < 512) and off (value >= 512) on the dfrobot.
"""
if value < 512:
self.screen.displayOff()
else:
self.screen.displayOn()
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
motion_pin=16,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.motion = BISS0001(self.pin_mappings.motion_pin)
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
self.last_motion = False
def update_hardware_state(self):
"""
Update hardware state.
"""
# detect motion change
current_motion = self.detect_motion()
if current_motion != self.last_motion:
if current_motion:
self.trigger_hardware_event(MOTION_DETECTED)
self.last_motion = current_motion
# hardware functions
def detect_motion(self):
"""
Check PIR motion sensor.
"""
return self.motion.motionDetected()
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
mic_pin=2,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
self.mic = Loudness(self.pin_mappings.mic_pin)
def update_hardware_state(self):
"""
Update hardware state.
"""
self.trigger_hardware_event(SOUND_MEASUREMENT, self.measure_volume())
# hardware functions
def measure_volume(self):
"""
Measure the average volume
"""
noise = self.mic.loudness()
in_min = 1
in_max = 5
out_min = 0
out_max = 100
average = (in_min - noise) * (out_max - out_min) / (in_max - in_min) + out_min
return round(average, 2)
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(mic_pin=2,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin)
self.mic = Loudness(self.pin_mappings.mic_pin)
def update_hardware_state(self):
"""
Update hardware state.
"""
self.trigger_hardware_event(SOUND_MEASUREMENT, self.measure_volume())
# hardware functions
def measure_volume(self):
"""
Measure the average volume
"""
noise = self.mic.loudness()
in_min = 1
in_max = 5
out_min = 0
out_max = 100
average = (in_min - noise) * (out_max - out_min) / (in_max -
in_min) + out_min
return round(average, 2)
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
sound_pin=2,
vibration_pin=15,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
self.sound = Microphone(self.pin_mappings.sound_pin)
self.sound_ctx = thresholdContext()
self.sound_ctx.averageReading = 0
self.sound_ctx.runningAverage = 0
self.sound_ctx.averagedOver = 2
self.vibration = Button(self.pin_mappings.vibration_pin)
self.sample_time = 2
self.sample_number = 128
def update_hardware_state(self):
"""
Update hardware state.
"""
vibration_sample = self.measure_vibration()
self.trigger_hardware_event(VIBRATION_SAMPLE, vibration_sample)
noise_sample = self.measure_sound()
self.trigger_hardware_event(NOISE_SAMPLE, noise_sample)
# hardware functions
def measure_vibration(self):
"""
Measure average vibration.
"""
vibration = self.vibration.value()
return 200 if vibration else 0
def measure_sound(self):
"""
Measure average volume.
"""
samples = uint16Array(128)
length = self.sound.getSampledWindow(self.sample_time, self.sample_number, samples)
if not length:
return 0
noise = self.sound.findThreshold(self.sound_ctx, 30, samples, length)
average = noise / 100
return average
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
touch_pin=16,
buzzer_pin=15,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
self.touch = Button(self.pin_mappings.touch_pin)
self.buzzer = Gpio(self.pin_mappings.buzzer_pin)
self.buzzer.dir(DIR_OUT)
self.touch_state = False
self.stop_buzzer()
def update_hardware_state(self):
"""
Update hardware state.
"""
current_touch_state = self.detect_touch()
if self.touch_state != current_touch_state:
if current_touch_state:
self.trigger_hardware_event(TOUCH_DOWN)
else:
self.trigger_hardware_event(TOUCH_UP)
self.touch_state = current_touch_state
# hardware functions
def detect_touch(self):
"""
Detect touch state.
"""
return self.touch.value()
def start_buzzer(self):
"""
Start buzzer.
"""
self.buzzer.write(1)
def stop_buzzer(self):
"""
Stop buzzer.
"""
self.buzzer.write(0)
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
print(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
temperature_pin=2,
buzzer_pin=15,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
self.voltage_adjust = 1.0
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.voltage_adjust = 0.66
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
self.temperature = LM35(self.pin_mappings.temperature_pin)
self.temperature.setScale(self.voltage_adjust)
self.buzzer = Gpio(self.pin_mappings.buzzer_pin)
self.buzzer.dir(DIR_OUT)
def update_hardware_state(self):
"""
Update hardware state.
"""
current_temp = self.read_temperature()
self.trigger_hardware_event(TEMPRETURE_CHANGED, current_temp)
# hardware functions
def read_temperature(self):
"""
Read temperature value in Celcius.
"""
return self.temperature.getTemperature() * self.voltage_adjust
def start_buzzer(self):
"""
Start buzzer.
"""
self.buzzer.write(1)
def stop_buzzer(self):
"""
Stop buzzer.
"""
self.buzzer.write(0)
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(touch_pin=16,
buzzer_pin=15,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin)
self.touch = Button(self.pin_mappings.touch_pin)
self.buzzer = Gpio(self.pin_mappings.buzzer_pin)
self.buzzer.dir(DIR_OUT)
self.touch_state = False
self.stop_buzzer()
def update_hardware_state(self):
"""
Update hardware state.
"""
current_touch_state = self.detect_touch()
if self.touch_state != current_touch_state:
if current_touch_state:
self.trigger_hardware_event(TOUCH_DOWN)
else:
self.trigger_hardware_event(TOUCH_UP)
self.touch_state = current_touch_state
# hardware functions
def detect_touch(self):
"""
Detect touch state.
"""
return self.touch.value()
def start_buzzer(self):
"""
Start buzzer.
"""
self.buzzer.write(1)
def stop_buzzer(self):
"""
Stop buzzer.
"""
self.buzzer.write(0)
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
print(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(temperature_pin=2,
buzzer_pin=15,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0)
self.voltage_adjust = 1.0
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.voltage_adjust = 0.66
self.screen = SAINSMARTKS(self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin)
self.temperature = LM35(self.pin_mappings.temperature_pin)
self.temperature.setScale(self.voltage_adjust)
self.buzzer = Gpio(self.pin_mappings.buzzer_pin)
self.buzzer.dir(DIR_OUT)
def update_hardware_state(self):
"""
Update hardware state.
"""
current_temp = self.read_temperature()
self.trigger_hardware_event(TEMPRETURE_CHANGED, current_temp)
# hardware functions
def read_temperature(self):
"""
Read temperature value in Celcius.
"""
return self.temperature.getTemperature() * self.voltage_adjust
def start_buzzer(self):
"""
Start buzzer.
"""
self.buzzer.write(1)
def stop_buzzer(self):
"""
Stop buzzer.
"""
self.buzzer.write(0)
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(accel_x_pin=3,
accel_y_pin=2,
accel_z_pin=1,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin)
# accelerometer setup
self.ax = Aio(self.pin_mappings.accel_x_pin)
self.ay = Aio(self.pin_mappings.accel_y_pin)
self.az = Aio(self.pin_mappings.accel_z_pin)
self.acceleration_detected = False
def update_hardware_state(self):
"""
Update hardware state.
"""
current_acceleration = self.detect_acceleration()
if current_acceleration != self.acceleration_detected:
if current_acceleration:
self.trigger_hardware_event(ACCELERATION_DETECTED)
self.acceleration_detected = current_acceleration
# hardware functions
def detect_acceleration(self):
"""
Detect acceleration change.
"""
ax = self.ax.read()
ay = self.ay.read()
az = self.az.read()
if ax > 412 or ay > 412 or az > 412:
return True
else:
return False
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
print(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass
class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(
accel_x_pin=3,
accel_y_pin=2,
accel_z_pin=1,
screen_register_select_pin=8,
screen_enable_pin=9,
screen_data_0_pin=4,
screen_data_1_pin=5,
screen_data_2_pin=6,
screen_data_3_pin=7,
screen_analog_input_pin=0
)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.screen = SAINSMARTKS(
self.pin_mappings.screen_register_select_pin,
self.pin_mappings.screen_enable_pin,
self.pin_mappings.screen_data_0_pin,
self.pin_mappings.screen_data_1_pin,
self.pin_mappings.screen_data_2_pin,
self.pin_mappings.screen_data_3_pin,
self.pin_mappings.screen_analog_input_pin
)
# accelerometer setup
self.ax = Aio(self.pin_mappings.accel_x_pin)
self.ay = Aio(self.pin_mappings.accel_y_pin)
self.az = Aio(self.pin_mappings.accel_z_pin)
self.acceleration_detected = False
def update_hardware_state(self):
"""
Update hardware state.
"""
current_acceleration = self.detect_acceleration()
if current_acceleration != self.acceleration_detected:
if current_acceleration:
self.trigger_hardware_event(ACCELERATION_DETECTED)
self.acceleration_detected = current_acceleration
# hardware functions
def detect_acceleration(self):
"""
Detect acceleration change.
"""
ax = self.ax.read()
ay = self.ay.read()
az = self.az.read()
if ax > 412 or ay > 412 or az > 412:
return True
else:
return False
def write_message(self, message, line=0):
"""
Write message to LCD screen.
"""
message = message.ljust(16)
self.screen.setCursor(line, 0)
self.screen.write(message)
print(message)
def change_background(self, color):
"""
Change LCD screen background color.
No effect on the dfrobot.
"""
pass