def activate(self):
assert self.params['address']
assert self.params['bus']
if 'name' in self.params: self.name = self.params['name']+' %i:%s' % (self.params['bus'],hex(self.params['address']))
if not 'driver' in self.params.keys(): self.params['driver']=None
self.params['n_channels']=4
if not 'channel_names' in self.config:
self.config['channel_names']=['Temperature','Instantaneous reading','Running mean','Delta']
self.params['raw_units']=['degC','','','']
self.config['eng_units']=['degC','','','']
self.config['scale']=np.ones(self.params['n_channels'],)
self.config['offset']=np.zeros(self.params['n_channels'],)
if ('untitled' in self.name.lower()) or (self.name==''):
self.name = 'MAX30105 optical sensor I2C %i:%s' % (self.params['bus'],self.params['address'])
self.max30105 = MAX30105()
self.max30105.setup(leds_enable=3)
self.max30105.set_led_pulse_amplitude(1, 0.0)
self.max30105.set_led_pulse_amplitude(2, 0.0)
self.max30105.set_led_pulse_amplitude(3, 12.5)
self.max30105.set_slot_mode(1, 'red')
self.max30105.set_slot_mode(2, 'ir')
self.max30105.set_slot_mode(3, 'green')
self.max30105.set_slot_mode(4, 'off')
self.hr = HeartRate(self.max30105)
return
def test_get_temperature():
from max30105 import MAX30105
max30105 = MAX30105(i2c_dev=MockSMBusNoTimeout(1, default_registers={
0x01: 0b00000010, # Die temp ready
0x09: 0b00000111 # Hard default value to avoid error
}))
assert max30105.get_temperature() == 0
def test_setup_timeout():
from max30105 import MAX30105
max30105 = MAX30105(
i2c_dev=MockSMBus(1, default_registers={0x09: 0b00000111}))
with pytest.raises(RuntimeError):
max30105.setup(timeout=0.5)
def test_setup():
sys.modules['smbus'] = mock.Mock()
sys.modules['RPi'] = mock.Mock()
sys.modules['RPi.GPIO'] = mock.Mock()
from max30105 import MAX30105
max30105 = MAX30105()
del max30105
def test_get_temperature_timeout():
from max30105 import MAX30105
max30105 = MAX30105(i2c_dev=MockSMBusNoTimeout(1, default_registers={
0x01: 0b00000000, # Die temp NOT ready
0x09: 0b00000111 # Hard default value to avoid error
}))
with pytest.raises(RuntimeError):
max30105.get_temperature()
def setup_particle_sensor(self):
self.MAX30105 = MAX30105()
self.MAX30105.setup(leds_enable=3)
self.MAX30105.set_led_pulse_amplitude(1, 0.0)
self.MAX30105.set_led_pulse_amplitude(2, 0.0)
self.MAX30105.set_led_pulse_amplitude(3, 12.5)
self.MAX30105.set_slot_mode(1, "red")
self.MAX30105.set_slot_mode(2, "ir")
self.MAX30105.set_slot_mode(3, "green")
self.MAX30105.set_slot_mode(4, "off")
self.hr = HeartRate(self.MAX30105)
def test_set_slot_mode():
from max30105 import MAX30105
max30105 = MAX30105(i2c_dev=MockSMBusNoTimeout(1, default_registers={
0x01: 0b00000010, # Die temp ready
0x09: 0b00000111 # Hard default value to avoid error
}))
max30105.set_slot_mode(1, 'green')
max30105.set_slot_mode(1, 'red')
with pytest.raises(ValueError):
max30105.set_slot_mode(1, 'puce')
def test_get_status():
from max30105 import MAX30105
max30105 = MAX30105(i2c_dev=MockSMBusNoTimeout(1, default_registers={
0x01: 0b00000010, # Die temp ready
0x09: 0b00000111 # Hard default value to avoid error
}))
# We don't really care about the values,
# just that these don't fail due to some typo
max30105.get_data_ready_status()
max30105.get_die_temp_ready_status()
max30105.get_fifo_almost_full_status()
max30105.get_ambient_light_compensation_overflow_status()
max30105.get_power_ready_status()
max30105.get_proximity_triggered_threshold_status()
#!/usr/bin/env python # NOTE! This code should not be used as the basis for a real # smoke or fire detector, or in life-critical situations. It's # for fun/novelty use only, so bear that in mind while using it. import time import datetime from max30105 import MAX30105, HeartRate max30105 = MAX30105() max30105.setup(leds_enable=3) max30105.set_led_pulse_amplitude(1, 0.0) max30105.set_led_pulse_amplitude(2, 0.0) max30105.set_led_pulse_amplitude(3, 12.5) max30105.set_slot_mode(1, 'red') max30105.set_slot_mode(2, 'ir') max30105.set_slot_mode(3, 'green') max30105.set_slot_mode(4, 'off') hr = HeartRate(max30105) # Smooths wobbly data. Increase to increase smoothing. mean_size = 20 # Compares current smoothed value to smoothed value x # readings ago. Decrease this to increase detection # speed. delta_size = 10
def test_get_chip_id():
from max30105 import MAX30105
max30105 = MAX30105(
i2c_dev=MockSMBusNoTimeout(1, default_registers={0x09: 0b00000111}))
assert max30105.get_chip_id() == (0, 0)
def test_setup():
from max30105 import MAX30105
max30105 = MAX30105(
i2c_dev=MockSMBusNoTimeout(1, default_registers={0x09: 0b00000111}))
max30105.setup()