def __init__(self):
self.adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)
self.pga = 6144
self.sps = 250
self._monitor_process = None
self._continue_process = Value('b', False)
def __init__(self, channels=DEFAULT_CHANNELS, voltage=DEFAULT_VOLTAGE, sps=DEFAULT_SPS):
self.adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)
self.channels = channels
self.voltage = float(voltage)
self.sps = sps
if len(channels) > 2:
raise ValueError, "Proximity: only two channels are supported"
def main(args):
pwm = pca9685.PCA9685()
pwm.reset()
adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)
steps = int(1 + 4096 / 30.)
program = [[0.000, [[c, 0, 0] for c in range(pca9685.CHANNELS)]]
for _ in range(steps)]
# compress the range of 0-full from N/16 to 1 scaled to steps
# 0 if step/steps < N/16
# (steps - (N/16)*steps (1 - N/16)
for channel in range(16):
channel_scaled = channel / 16.
for step in range(steps):
step_scaled = step / float(steps - 1)
if step_scaled >= channel_scaled:
program[step][1][channel] = channel, 0, int(
round(4096 * (step_scaled - channel_scaled) /
(1 - channel_scaled)))
program = list(reversed(program))
readings = []
median_readings = 15
while True:
#vcc = adc.read_single_ended(1, pga=6144, sps=128)
distance = adc.read_single_ended(0, pga=1024, sps=1600) * 1024 / 3300.
readings.append(distance)
# Median filter
if len(readings) == median_readings:
readings.sort()
distance = readings[median_readings / 2]
readings = []
else:
continue
#print int(round(distance)), "cm" # , int(round(vcc)), "mv"
#if abs(distance2 - distance) > 40:
# print "[reject]"
# #distance = 10000
# continue
#else:
# distance = (distance + distance2) / 2.
# print
on = 1 - min(max(distance - 20, 0) / 110., 1.)
step = int(round((len(program) - 1) * on))
print int(round(distance)), "cm", on
def main(args):
if len(args) <= 0:
print >> sys.stderr, "usage:", sys.argv[
0], "<channel>", "[channel]", "[...]"
return
channels = map(int, args) or [0]
adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)
while True:
print "\t".join(
str(round(read(adc, channel)))
for channel in channels), " " * 70, "\r",
sys.stdout.flush()
BUTTON_LONG_PRESS_COMMAND = "sh"
BUTTON_LONG_PRESS_SCRIPT = "run_attention.sh"
BUTTON_LONG_PRESS_ARGS = [""]
PATH = os.path.dirname(__file__)
script_path = os.path.join(PATH, BUTTON_SCRIPT)
script_arg = [BUTTON_COMMAND, script_path] + BUTTON_ARGS
long_press_script_path = os.path.join(PATH, BUTTON_LONG_PRESS_SCRIPT)
long_press_script_arg = [BUTTON_LONG_PRESS_COMMAND, long_press_script_path
] + BUTTON_LONG_PRESS_ARGS
process = None
adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)
down = False
down_time = 0
def main():
global down
while True:
try:
value = adc.read_single_ended(3)
if value > 3000:
if not down:
down_time = time()
down = True
def __init__(self, channel=1):
self.adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)
self.channel = channel
def __init__(self, voltage=DEFAULT_VOLTAGE):
self.voltage = voltage
self.adc = ads1x15.ADS1X15(ic=ads1x15.IC_ADS1115)