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GPIO flash and spots

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Patrick Haßel 2025-06-28 08:03:41 +02:00
parent 8f091c8831
commit 4c27cc6300
1 changed files with 64 additions and 0 deletions
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Fotobox.py
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@ -18,6 +18,67 @@ from config import read, file_increase, iso, now
from timer import Timer from timer import Timer
from libcamera import Transform from libcamera import Transform
import RPi.GPIO as GPIO
GPIO_LED_BORDER = 7
GPIO_SPOT_RIGHT = 35
GPIO_SPOT_LEFT = 37
GPIO_BUTTON_LED = 36
GPIO_BUTTON = 38
# GPIO helpers
spot_mode = 0
def led_border(state):
global GPIO_LED_BORDER
GPIO.output(GPIO_LED_BORDER, state)
def set_spot_mode(new_mode):
global spot_mode
spot_mode = new_mode % 4
GPIO.output(GPIO_SPOT_LEFT, not (spot_mode & 1))
GPIO.output(GPIO_SPOT_RIGHT, not (spot_mode & 2))
def next_spot_mode():
global spot_mode
set_spot_mode(spot_mode + 1)
# user interface
def button_press(gpio_id):
next_spot_mode()
# INIT GPIO
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup(GPIO_SPOT_RIGHT, GPIO.OUT, initial=GPIO.HIGH)
GPIO.setup(GPIO_SPOT_LEFT, GPIO.OUT, initial=GPIO.HIGH)
GPIO.setup(GPIO_LED_BORDER, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(GPIO_BUTTON_LED, GPIO.OUT, initial=GPIO.LOW)
GPIO.setup(GPIO_BUTTON, GPIO.IN)
GPIO.add_event_detect(GPIO_BUTTON, GPIO.FALLING, button_press, bouncetime=300)
led_border(False)
time.sleep(0.02)
led_border(True)
time.sleep(0.02)
led_border(False)
time.sleep(0.02)
led_border(True)
time.sleep(0.02)
led_border(False)
time.sleep(0.02)
led_border(True)
time.sleep(0.02)
led_border(False)
class State(Enum): class State(Enum):
IDLE = 0 IDLE = 0
@ -207,6 +268,7 @@ class Fotobox:
print(new_state) print(new_state)
self._state = new_state self._state = new_state
if new_state == State.COUNTDOWN: if new_state == State.COUNTDOWN:
led_border(True)
self._countdown_timer.restart() self._countdown_timer.restart()
elif new_state == State.SHOOTING: elif new_state == State.SHOOTING:
self._photos = [] self._photos = []
@ -215,6 +277,7 @@ class Fotobox:
print("Starting shooting: S%04d-%s" % (self._shooting_number, iso(self._shooting_datetime))) print("Starting shooting: S%04d-%s" % (self._shooting_number, iso(self._shooting_datetime)))
self._shooting_timer.restart() self._shooting_timer.restart()
elif new_state == State.PREPARE: elif new_state == State.PREPARE:
led_border(False)
screen.fill((0, 0, 0)) screen.fill((0, 0, 0))
screen.blit(LOADING_SURFACE, LOADING_RECT) screen.blit(LOADING_SURFACE, LOADING_RECT)
pygame.display.flip() pygame.display.flip()
@ -275,3 +338,4 @@ class Fotobox:
os.chmod(upload, 0o777) os.chmod(upload, 0o777)
print("Photo saved: %s" % path.absolute()) print("Photo saved: %s" % path.absolute())