nightshift

code/piplayer2.py

@@ -22,8 +22,9 @@ BUTTON_PAUSE = 0.4
 logging.basicConfig(level=logging.DEBUG, format='%(asctime)s.%(msecs)d %(levelname)s - %(message)s')
 logging.info('Initializing')
 
-# photo sensor on PIN 17
 GPIO.setmode(GPIO.BCM)
+
+# photo sensor on PIN 17
 GPIO.setup(17, GPIO.IN)
 
 # IR LED on PIN 22
@@ -45,12 +46,12 @@ photo_sensor_still_active = False
 
 try:
     logging.info('Start moc server')
-    subprocess.call(["padsp", "mocp", "--server"])
+    subprocess.call(["mocp", "--server"])
     subprocess.call(["mocp", "--clear"])
     subprocess.call(["mocp", "-l", SOUND_OK])
     
     while True:
-        time.sleep(0.01)
+        time.sleep(0.05)
         
         if (GPIO.input(9) == False):
             logging.debug('mocp --previous')
@@ -74,7 +75,7 @@ try:
             logging.debug('Photo sensor active, activating light and camera')
             subprocess.call(["mocp", "-l", SOUND_SCANNING])
             
-            # turn LED on
+            # turn LED onGPIO.wait_for_edge(23, GPIO.FALLING)
             GPIO.output(27, GPIO.HIGH)
             
             # scan QR code
@@ -166,6 +167,7 @@ try:
             # the photo sensor is not blocked (anymore)
             photo_sensor_still_active = False
             
+            
 # Exit when Ctrl-C is pressed
 except KeyboardInterrupt:
     logging.info('Close moc server')

installation.txt

@@ -42,7 +42,7 @@ sudo nano /etc/ntp.conf
 sudo /etc/init.d/ntp restart
 date
 
-sudo apt install lirc zbar-tools mc moc python3 python-rpi.gpio python3-rpi.gpio
+sudo apt install lirc zbar-tools mc moc fswebcam python3 python-rpi.gpio python3-rpi.gpio
 
 # PHAT DAC (https://learn.pimoroni.com/tutorial/phat/raspberry-pi-phat-dac-install)
 curl -sS get.pimoroni.com/phatdac | bash
@@ -51,6 +51,65 @@ curl -sS get.pimoroni.com/phatdac | bash
 mocp
 sudo nano /etc/modprobe.d/alsa-base.conf
 
+# Webcam-Test
+python3 lighton.py
+sudo fswebcam -r 320x240 -d /dev/video0 -v ~/test.jpg
+python3 lightoff.py
+
+
+# enable lirc in /boot/config.txt and add parameters
+sudo nano /boot/config.txt
+#	# Uncomment this to enable the lirc-rpi module
+#	dtoverlay=lirc-rpi,gpio_in_pin=23,gpio_out_pin=22
+
+##### DIESER SCHRITT HILFT NICHTS. Man muss immer noch lirc manuell laden mit "sudo lircd -d /dev/lirc0", bevor man einen Befehl absetzen kann (s.u.).
+		# add lirc configuration to /etc/modules (gpio_in_pin wird mit ungenutztem PIN belegt, weil der default PIN 18 schon vom PHAT DAC verwendet wird) 
+		sudo nano /etc/modules
+		#	lirc_dev
+		#	lirc_rpi gpio_in_pin=23 gpio_out_pin=22
+#####
+
+# add lirc configuration to /etc/lirc/hardware.conf
+sudo nano /etc/lirc/hardware.conf
+#	LIRCD_ARGS="--uinput"
+#	LOAD_MODULES=true
+#	DRIVER="default"
+#	DEVICE="/dev/lirc0"
+#	MODULES="lirc_rpi"
+#	LIRCD_CONF=""
+#	LIRCMD_CONF=""
+
+sudo reboot
+
+# copy the JBL remote configuration in /etc/lirc/lircd.conf
+# --> lirc_jbl_iiip.conf
+
+sudo /etc/init.d/lirc restart
+
+# turn on music, list available commands and test remote control
+mocp -S && mocp -l ~/adele.mp3
+sudo lircd -d /dev/lirc0
+irsend LIST JBLIIIP ""
+## Der Befehl muss 2x schnell hintereinander gesendet werden. Offensichtlich muss die Konfiguration noch verbessert werden.
+irsend SEND_ONCE JBLIIIP KEY_MUTE
+
+
+
+
+
+
+
+
+
+
+# ------ HIER WEITER
+
+
+
+# install python bottle web framework - http://bottlepy.org
+sudo apt-get install python-pip
+sudo pip install bottle
+
 
 
 
@@ -62,7 +121,7 @@ sudo nano /etc/modprobe.d/alsa-base.conf
 
 
 
-# GEHT LEIDER NICHT WEGEN KNISTERN
+# GEHT LEIDER NICHT WEGEN KNISTERN (BRUMMSCHLEIFE)
 # USB Soundkarte verbinden, dann
 lsusb
 alsamixer   # -> zeigt oben das aktive Sounddevice an. Mit F6 kann man die Liste aller Devices anzeigen

misc/interrupts.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python2.7
+# script by Alex Eames http://RasPi.tv
+# http://RasPi.tv/how-to-use-interrupts-with-python-on-the-raspberry-pi-and-rpi-gpio-part-3
+import RPi.GPIO as GPIO
+GPIO.setmode(GPIO.BCM)
+
+# GPIO 23 & 17 set up as inputs, pulled up to avoid false detection.
+# Both ports are wired to connect to GND on button press.
+# So we'll be setting up falling edge detection for both
+GPIO.setup(23, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+GPIO.setup(17, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+
+# GPIO 24 set up as an input, pulled down, connected to 3V3 on button press
+GPIO.setup(24, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
+
+# now we'll define two threaded callback functions
+# these will run in another thread when our events are detected
+def my_callback(channel):
+    print "falling edge detected on 17"
+
+def my_callback2(channel):
+    print "falling edge detected on 23"
+
+print "Make sure you have a button connected so that when pressed"
+print "it will connect GPIO port 23 (pin 16) to GND (pin 6)\n"
+print "You will also need a second button connected so that when pressed"
+print "it will connect GPIO port 24 (pin 18) to 3V3 (pin 1)\n"
+print "You will also need a third button connected so that when pressed"
+print "it will connect GPIO port 17 (pin 11) to GND (pin 14)"
+raw_input("Press Enter when ready\n>")
+
+# when a falling edge is detected on port 17, regardless of whatever 
+# else is happening in the program, the function my_callback will be run
+GPIO.add_event_detect(17, GPIO.FALLING, callback=my_callback, bouncetime=300)
+
+# when a falling edge is detected on port 23, regardless of whatever 
+# else is happening in the program, the function my_callback2 will be run
+# 'bouncetime=300' includes the bounce control written into interrupts2a.py
+GPIO.add_event_detect(23, GPIO.FALLING, callback=my_callback2, bouncetime=300)
+
+try:
+    print "Waiting for rising edge on port 24"
+    GPIO.wait_for_edge(24, GPIO.RISING)
+    print "Rising edge detected on port 24. Here endeth the third lesson."
+
+except KeyboardInterrupt:
+    GPIO.cleanup()       # clean up GPIO on CTRL+C exit
+GPIO.cleanup()           # clean up GPIO on normal exit

misc/lirc_jbl_iiip.conf

@@ -13,7 +13,7 @@
 
 begin remote
 
-  name  /home/pi/remote-jbl-iiip.conf
+  name  JBLIIIP
   bits           16
   flags SPACE_ENC|CONST_LENGTH
   eps            30

notes.md

@@ -2,8 +2,10 @@
 
 ## Hardware
 - PHAT DAC installieren - http://www.instructables.com/id/Multiroom-Client-With-Raspberry-Pi-ZERO-and-PHAT-D/?ALLSTEPS
-- Lautstärke über IR regeln - JBL-Fernbedienung nach Musikraketen-Anleitung auslesen
+- Lautstärke über IR regeln
-
+  - JBL-Fernbedienung nach Musikraketen-Anleitung auslesen
+  - PoC Fernsteuerung
+  
 
 ### CNY70
 - https://www.youtube.com/watch?v=KLkNqmqXVtA - Fehler in der Schaltungsskizze! Muss NPN- statt PNP-Transistor sein.
@@ -17,11 +19,11 @@
 
 ## Scripting
 - Bugfix <prev>
-- PoC IR-LED
+- Interrupts statt busy waiting: http://raspi.tv/2013/how-to-use-interrupts-with-python-on-the-raspberry-pi-and-rpi-gpio-part-3
-
+- run statt call https://docs.python.org/3/library/subprocess.html
 
 ## Gehäuse
-- Buttons per Acryl-Transfer beschriften? https://shop.heise.de/katalog/inhalt-333f53
+- Buttons per Acryl-Transfer beschriften? ch.16.05.110-115.pdf