52 lines
1.3 KiB
Python
52 lines
1.3 KiB
Python
import os
|
|
from os.path import join
|
|
import time
|
|
from . import leds, camera
|
|
|
|
# Delay between to captures
|
|
DELAY = 0.5
|
|
|
|
|
|
def delay_capture(cam, output_path):
|
|
# Measure the time it takes to capture
|
|
start = time.time()
|
|
output = cam.capture(output_path)
|
|
delta = time.time() - start
|
|
|
|
# Wait for at least one second between each capture
|
|
if delta < DELAY:
|
|
time.sleep(DELAY - delta)
|
|
|
|
return output
|
|
|
|
|
|
def scan(output_dir: str, on_and_off: bool = True):
|
|
os.makedirs(output_dir, exist_ok=True)
|
|
|
|
with leds.get() as gpio_leds:
|
|
for count, led in enumerate(gpio_leds.leds):
|
|
with camera.get() as cam:
|
|
print(f'Turn on {led}')
|
|
img = join(output_dir, f'{led}')
|
|
|
|
led.on()
|
|
delay_capture(cam, img)
|
|
led.off()
|
|
|
|
print(f'Turn off {led}')
|
|
yield str(led)
|
|
|
|
# capture with all leds ON OFF
|
|
if on_and_off:
|
|
with camera.get() as cam:
|
|
gpio_leds.on()
|
|
img = join(output_dir, 'all_on')
|
|
delay_capture(cam, img)
|
|
yield 'all_on'
|
|
|
|
with camera.get() as cam:
|
|
gpio_leds.off()
|
|
img = join(output_dir, 'all_off')
|
|
delay_capture(cam, img)
|
|
yield 'all_off'
|