felix/photobooth
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

gpio routines added

Browse Source
This commit is contained in:
Balthasar Reuter
2015-05-19 23:19:42 +02:00
parent 66af06985b
commit c42373cc60
1 changed files with 24 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
photobooth.py
View File

@@ -11,10 +11,10 @@ from time import sleep
import pygame
# try:
# import RPi.GPIO as GPIO
# except RuntimeError:
# print("Error importing RPi.GPIO! This is probably because you need superuser privileges. You can achieve this by using 'sudo' to run your script")
try:
import RPi.GPIO as GPIO
except RuntimeError:
print("Error importing RPi.GPIO! This is probably because you need superuser privileges.")
#####################
### Configuration ###
@@ -68,8 +68,8 @@ class Images:
pictures.sort()
last_picture = pictures[-1]
self.counter = int(last_picture[-(self.count_width+len(self.suffix)):-len(self.suffix)])
print "Number of last existing file: " + str(self.counter) + "(" + str(len(pictures)) + ")"
print "Saving as: " + self.basename
print("Number of last existing file: " + str(self.counter) + "(" + str(len(pictures)) + ")")
print("Saving as: " + self.basename)
def get(self, count):
return self.basename + str(count).zfill(self.count_width) + self.suffix
@@ -226,33 +226,33 @@ def handle_keypress(key):
elif key == ord('c'):
take_picture()
# def handle_gpio_event(channel):
# """Implements the actions taken for a GPIO event"""
# if channel == gpio_trigger_channel:
# GPIO.remove_event_detect(gpio_trigger_channel)
# take_picture()
# GPIO.add_event_detect(gpio_trigger_channel, GPIO.RISING,
# callback=handle_gpio_event, bouncetime=200)
def handle_gpio_event(channel):
"""Implements the actions taken for a GPIO event"""
if channel == gpio_trigger_channel:
GPIO.remove_event_detect(gpio_trigger_channel)
take_picture()
GPIO.add_event_detect(gpio_trigger_channel, GPIO.RISING,
callback=handle_gpio_event, bouncetime=200)
def handle_exception(msg):
"""Displays an error message and returns"""
display.clear()
msg = "Error: " + msg
print msg
print(msg)
display.show_message(msg)
display.apply()
sleep(3)
# def setup_gpio():
# # Display initial information
# print "Your Raspberry Pi is board revision " + str(GPIO.RPI_INFO['P1_REVISION'])
# print "RPi.GPIO version is " + str(GPIO.VERSION)
# # Choose BCM numbering system
# GPIO.setmode(GPIO.BCM)
# # Setup the trigger channel as input and listen for events
# GPIO.setup(gpio_trigger_channel, GPIO.IN, pull_up_down=GPIO.PUD_UP)
# GPIO.add_event_detect(gpio_trigger_channel, GPIO.RISING,
# callback=handle_gpio_event, bouncetime=200)
def setup_gpio():
# Display initial information
print "Your Raspberry Pi is board revision " + str(GPIO.RPI_INFO['P1_REVISION'])
print "RPi.GPIO version is " + str(GPIO.VERSION)
# Choose BCM numbering system
GPIO.setmode(GPIO.BCM)
# Setup the trigger channel as input and listen for events
GPIO.setup(gpio_trigger_channel, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.add_event_detect(gpio_trigger_channel, GPIO.RISING,
callback=handle_gpio_event, bouncetime=200)
def teardown(exit_code=0):
display.teardown()