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 __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)
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
