def read_color(self):
white_thress = 550
black_thress = 50
try:
as7262.soft_reset()
hw_code, hw_version, fw_version = as7262.get_version()
as7262.set_gain(2)
as7262.set_integration_time(0.1)
as7262.set_measurement_mode(3)
as7262.set_illumination_led(1)
values = as7262.get_calibrated_values()
as7262.set_measurement_mode(3)
as7262.set_illumination_led(0)
string = ("{},{},{},{},{},{}").format(*values)
colors = string.split(",")
r = float(colors[0])
o = float(colors[1])
y = float(colors[2])
g = float(colors[3])
b = float(colors[4])
v = float(colors[5])
float_colors = list(map(float, colors))
max_c = max(float_colors)
max_s = 'RED'
if o == max_c:
max_c = o
max_s = 'RED' #'ORANGE'
elif r == max_c:
max_c = r
max_s = 'RED' #'RED'
elif y == max_c:
max_c = y
max_s = 'YELLOW'
elif g == max_c:
max_c = g
max_s = 'GREEN'
elif b == max_c:
max_c = b
max_s = 'BLUE'
elif v == max_c:
max_c = v
max_s = 'BLUE' #'VIOLET'
mean = statistics.mean(float_colors)
if mean < black_thress:
max_s = 'BLACK'
elif mean > white_thress:
max_s = 'WHITE'
self.dictionary["color"] = max_s
except:
self.infologger.write_error("Error: I2C: reading color.")
self.master.status_vector["INFRARED"] = 0
self.dictionary["color"] = None
def test_set_gain():
"""Test the set_gain method against various values."""
_setup()
as7262.set_gain(1)
assert as7262._as7262.CONTROL.get_gain_x() == 1
# Should snap to the highest gain value
as7262.set_gain(999)
assert as7262._as7262.CONTROL.get_gain_x() == 64
# Should snap to the lowest gain value
as7262.set_gain(-1)
assert as7262._as7262.CONTROL.get_gain_x() == 1
import sys
import as7262
BAR_CHAR = u'\u2588'
ANSI_COLOR_RED = '\x1b[31m'
ANSI_COLOR_GREEN = '\x1b[32m'
ANSI_COLOR_YELLOW = '\x1b[33m'
ANSI_COLOR_BLUE = '\x1b[34m'
ANSI_COLOR_MAGENTA = '\x1b[35m'
MAX_VALUE = 14000.0
BAR_WIDTH = 25
as7262.soft_reset()
as7262.set_gain(64)
as7262.set_integration_time(17.857)
as7262.set_measurement_mode(2)
as7262.set_illumination_led(1)
try:
input = raw_input
except NameError:
pass
input(
"Setting white point baseline.\n\nHold a white sheet of paper ~5cm in front of the sensor and press a key...\n"
)
baseline = as7262.get_calibrated_values()
time.sleep(1)
input("Baseline set. Press a key to continue...\n")