class DfrobotBoard(Board):
"""
Board class for drobot hardware.
"""
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(temp_pin=3,
flame_pin=2,
speaker_pin=15,
reference_voltage=1.0)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.pin_mappings.reference_voltage = 0.33
self.temp = Aio(self.pin_mappings.temp_pin)
self.flame = Aio(self.pin_mappings.flame_pin)
self.speaker = Gpio(self.pin_mappings.speaker_pin)
self.speaker.dir(DIR_OUT)
def update_hardware_state(self):
"""
Update hardware state.
"""
obj_temp = self.read_obj_temp()
self.trigger_hardware_event(TEMP_READING, obj_temp)
flame_detected = self.detect_flame()
self.trigger_hardware_event(FLAME_DETECTED, flame_detected)
# hardware functions
def read_obj_temp(self):
return ((500 * self.temp.read()) /
1024) * self.pin_mappings.reference_voltage
def detect_flame(self):
return (self.flame.read() * self.pin_mappings.reference_voltage >= 300)
def play_beep(self):
self.speaker.write(1)
SCHEDULER.add_job(lambda: self.speaker.write(0),
"date",
run_date=datetime.utcnow() + timedelta(seconds=1))
def play_temp(self):
self.play_beep()
def play_flame(self):
self.play_beep()
def __init__(self):
super(DfrobotBoard, self).__init__()
# pin mappings
self.pin_mappings = PinMappings(temp_pin=3,
flame_pin=2,
speaker_pin=15,
reference_voltage=1.0)
if HARDWARE_CONFIG.platform == KNOWN_PLATFORMS.firmata:
addSubplatform(GENERIC_FIRMATA, "/dev/ttyACM0")
self.pin_mappings += 512
self.pin_mappings.reference_voltage = 0.33
self.temp = Aio(self.pin_mappings.temp_pin)
self.flame = Aio(self.pin_mappings.flame_pin)
self.speaker = Gpio(self.pin_mappings.speaker_pin)
self.speaker.dir(DIR_OUT)
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 __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
"""
Some sample mappings:
x, y = vr_x.read(), vr_y.read()
if y == 0 and 500 < x < 600:
rover.send(Move.FORWARD)
elif y > 1000 and 500 < x < 600:
rover.send(Move.BACKWARD)
elif x == 0 and 500 < y < 600:
rover.send(Move.LEFT)
elif x > 1000 and 300 < y < 600:
rover.send(Move.RIGHT)
else:
pass
"""
from mraa import Aio
X_PIN = 0
Y_PIN = 1
vr_x = Aio(X_PIN)
vr_y = Aio(Y_PIN)
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
