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Before putting all into callbacks

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This commit is contained in:
Tilman
2017-10-31 16:22:41 +01:00
parent 896b62de57
commit f9f2bfcdd7
6 changed files with 665 additions and 32 deletions
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code/piplayer3.py
+40 -22
View File
@@ -23,6 +23,10 @@ QR_SCANNER_TIMEOUT = 3
MOPIDY_RPC_URL = 'http://127.0.0.1:6680/mopidy/rpc'
MUSIC_EXTENSIONS = ('.aac', '.ac3', '.aiff', '.amr', '.au', '.flac', '.m4a', '.mid', '.mka', '.mp3', '.ogg', '.ra', '.voc', '.wav', '.wma')
REQUEST_TIMEOUT = 5
creating_playlist = False
request_running = False
# photo sensor on PIN 17
PIN_SENSOR = 17
@@ -53,15 +57,18 @@ GPIO.setup(PIN_PLAY, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
def call(method, params=None):
if (params is None):
json = '{"jsonrpc": "2.0", "id": 1, "method": "' + method + '"}'
else:
json = '{"jsonrpc": "2.0", "id": 1, "method": "' + method + '" , "params": ' + params + '}'
response = requests.post(MOPIDY_RPC_URL, data=json)
logging.debug(response.text)
logging.info('Request: ' + json)
try:
response = requests.post(MOPIDY_RPC_URL, data=json, timeout=REQUEST_TIMEOUT)
except:
logging.error('Exeption during request')
logging.info('Response: ' + response.text)
return response
def add_uri(filename):
@@ -85,44 +92,56 @@ def list_files(dir):
def btn1_callback(channel):
logging.debug("PREV")
def prev_callback(channel):
logging.info("PREV")
json = call('core.playback.get_time_position').json()
if (json['result'] < 4000):
call('core.playback.previous')
else:
call('core.playback.seek', '{ "time_position": 0 }')
def btn2_callback(channel):
logging.debug("PLAY/PAUSE")
def play_callback(channel):
logging.info("PLAY/PAUSE")
json = call('core.playback.get_state').json()
if (json['result'] == 'playing'):
call('core.playback.pause')
else:
call('core.playback.play')
def btn3_callback(channel):
logging.debug("NEXT")
def next_callback(channel):
logging.info("NEXT")
call('core.playback.next')
def sensor_callback(channel):
logging.info("SENSOR!!!!! ================================================================= !!!11!1elf")
GPIO.add_event_detect(PIN_PREV, GPIO.FALLING, callback=btn1_callback, bouncetime=400)
GPIO.add_event_detect(PIN_PLAY, GPIO.FALLING, callback=btn2_callback, bouncetime=400)
GPIO.add_event_detect(PIN_NEXT, GPIO.FALLING, callback=btn3_callback, bouncetime=400)
GPIO.add_event_detect(PIN_PREV, GPIO.FALLING, callback=prev_callback, bouncetime=400)
GPIO.add_event_detect(PIN_PLAY, GPIO.FALLING, callback=play_callback, bouncetime=400)
GPIO.add_event_detect(PIN_NEXT, GPIO.FALLING, callback=next_callback, bouncetime=400)
#GPIO.add_event_detect(PIN_SENSOR, GPIO.RISING, callback=sensor_callback, bouncetime=400)
try:
# FIXME turn this into a proper service and wait for the network interface (and mopidy)
# https://www.dexterindustries.com/howto/run-a-program-on-your-raspberry-pi-at-startup/#systemd
time.sleep(20)
# wait for the web server to be available
response = ''
while response == '':
try:
logging.info("Trying to connect to the server...")
response = requests.post(MOPIDY_RPC_URL, data='{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.clear"}', timeout=REQUEST_TIMEOUT)
except:
logging.debug("Connection refused by the server, wait 5 seconds")
time.sleep(5)
continue
play_sound(SOUND_OK)
while True:
logging.debug('Wait for photo sensor')
logging.info('Wait for photo sensor')
GPIO.wait_for_edge(PIN_SENSOR, GPIO.RISING)
logging.debug('Photo sensor active, activating light and camera')
logging.info('Photo sensor active, activating light and camera')
play_sound(SOUND_SCANNING)
# turn LED on
@@ -147,7 +166,7 @@ try:
play_sound(SOUND_OK)
call('core.tracklist.clear')
logging.debug("Stopped")
logging.info("Stopped")
qr_code = zbarcam.stdout.readline().rstrip()
qr_code = qr_code.decode("utf-8") # python3
@@ -155,6 +174,8 @@ try:
if (not (qr_code.startswith("http://") or qr_code.startswith("spotify:"))):
# create full path
if (qr_code.startswith("/")):
qr_code = qr_code[1:]
full_path = MUSIC_BASE_DIRECTORY + qr_code
if (not os.path.isfile(full_path)):
@@ -165,9 +186,8 @@ try:
if filename.lower().endswith(MUSIC_EXTENSIONS):
add_uri("file://" + urllib.parse.quote(filename))
if (not playback_started):
call('core.playback.play')
playback_started = True
call('core.playback.play')
else:
logging.debug("It's a file")
@@ -192,8 +212,6 @@ try:
play_sound(SOUND_SCAN_FAIL)
zbarcam.terminate()
# LED off
GPIO.output(PIN_LED, GPIO.LOW)
# wait until sensor is not blocked anymore
code/piplayer3.py.bak
+222
View File
@@ -0,0 +1,222 @@
# piplayer3 - AudioSaucer
# http://www.tilman.de/piplayer3
import RPi.GPIO as GPIO
import logging
import time
import subprocess
import select # for polling zbarcam, see http://stackoverflow.com/a/10759061/3761783
import os
import requests
import urllib
logging.basicConfig(level=logging.DEBUG, format='%(asctime)s %(levelname)s - %(message)s')
logging.info('Initializing')
# Configuration
MUSIC_BASE_DIRECTORY = "/media/share/Kinder/"
SOUND_SCANNING = "file:///home/pi/sounds/scanning.mp3"
SOUND_OK = "file:///home/pi/sounds/ok.mp3"
SOUND_SCAN_FAIL = "file:///home/pi/sounds/fail.mp3"
SOUND_PLAYBACK_ERROR = "file:///home/pi/sounds/error.mp3"
QR_SCANNER_TIMEOUT = 3
MOPIDY_RPC_URL = 'http://127.0.0.1:6680/mopidy/rpc'
MUSIC_EXTENSIONS = ('.aac', '.ac3', '.aiff', '.amr', '.au', '.flac', '.m4a', '.mid', '.mka', '.mp3', '.ogg', '.ra', '.voc', '.wav', '.wma')
# photo sensor on PIN 17
PIN_SENSOR = 17
# IR LED on PIN 22
PIN_IR_LED = 22
# LED on PIN 27
PIN_LED = 27
# Buttons on PINs 9, 10 and 11
PIN_PREV = 9
PIN_PLAY = 10
PIN_NEXT = 11
GPIO.setmode(GPIO.BCM)
GPIO.setup(PIN_SENSOR, GPIO.IN)
GPIO.setup(PIN_IR_LED, GPIO.OUT)
GPIO.output(PIN_IR_LED, GPIO.LOW)
GPIO.setup(PIN_LED, GPIO.OUT)
GPIO.output(PIN_LED, GPIO.LOW)
GPIO.setup(PIN_PREV, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_PLAY, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
def call(method, params=None):
if (params is None):
json = '{"jsonrpc": "2.0", "id": 1, "method": "' + method + '"}'
else:
json = '{"jsonrpc": "2.0", "id": 1, "method": "' + method + '" , "params": ' + params + '}'
response = requests.post(MOPIDY_RPC_URL, data=json)
logging.debug(response.text)
return response
def add_uri(filename):
logging.debug('Adding ' + filename)
call('core.tracklist.add', '{"uri": "' + filename + '"}')
def play_sound(filename):
call('core.tracklist.clear')
logging.debug('Cleared tracklist, now playing ' + filename)
add_uri(filename)
call('core.playback.play')
def list_files(dir):
r = []
for path, dirs, files in os.walk(dir):
dirs.sort()
files.sort()
for name in files:
r.append(os.path.join(path, name))
return r
def btn1_callback(channel):
logging.debug("PREV")
json = call('core.playback.get_time_position').json()
if (json['result'] < 4000):
call('core.playback.previous')
else:
call('core.playback.seek', '{ "time_position": 0 }')
def btn2_callback(channel):
logging.debug("PLAY/PAUSE")
json = call('core.playback.get_state').json()
if (json['result'] == 'playing'):
call('core.playback.pause')
else:
call('core.playback.play')
def btn3_callback(channel):
logging.debug("NEXT")
call('core.playback.next')
GPIO.add_event_detect(PIN_PREV, GPIO.FALLING, callback=btn1_callback, bouncetime=400)
GPIO.add_event_detect(PIN_PLAY, GPIO.FALLING, callback=btn2_callback, bouncetime=400)
GPIO.add_event_detect(PIN_NEXT, GPIO.FALLING, callback=btn3_callback, bouncetime=400)
try:
# wait for the web server to be available
response = ''
while response == '':
try:
logging.debug("Trying to connect to the server...")
response = requests.post(MOPIDY_RPC_URL, data='{"jsonrpc": "2.0", "id": 1, "method": "core.tracklist.clear"}', timeout=5)
except:
logging.debug("Connection refused by the server, wait 5 seconds")
time.sleep(5)
continue
play_sound(SOUND_OK)
while True:
logging.debug('Wait for photo sensor')
GPIO.wait_for_edge(PIN_SENSOR, GPIO.RISING)
logging.debug('Photo sensor active, activating light and camera')
play_sound(SOUND_SCANNING)
# turn LED on
GPIO.output(PIN_LED, GPIO.HIGH)
# scan QR code
zbarcam = subprocess.Popen(['zbarcam', '--quiet', '--nodisplay', '--raw', '-Sdisable', '-Sqrcode.enable', '--prescale=320x240', '/dev/video0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
poll_obj = select.poll()
poll_obj.register(zbarcam.stdout, select.POLLIN)
# wait for scan result (or timeout)
start_time = time.time()
poll_result = False
while ((time.time() - start_time) < QR_SCANNER_TIMEOUT and (not poll_result)):
poll_result = poll_obj.poll(100)
if (poll_result):
try:
# play confirmation sound
play_sound(SOUND_OK)
call('core.tracklist.clear')
logging.debug("Stopped")
qr_code = zbarcam.stdout.readline().rstrip()
qr_code = qr_code.decode("utf-8") # python3
logging.info("QR Code: " + qr_code)
if (not (qr_code.startswith("http://") or qr_code.startswith("spotify:"))):
# create full path
if (qr_code.startswith("/")):
qr_code = qr_code[1:]
full_path = MUSIC_BASE_DIRECTORY + qr_code
if (not os.path.isfile(full_path)):
logging.debug("Not a file, recursively add all audio files in directory")
filenames = list_files(full_path)
playback_started = False
for filename in filenames:
if filename.lower().endswith(MUSIC_EXTENSIONS):
add_uri("file://" + urllib.parse.quote(filename))
if (not playback_started):
logging.debug("starting playback")
call('core.playback.play')
playback_started = True
else:
logging.debug("It's a file")
add_uri("file://" + urllib.parse.quote(full_path))
call('core.playback.play')
else:
logging.debug("URL, open directly")
add_uri(qr_code)
call('core.playback.play')
except subprocess.CalledProcessError as e:
logging.error("Error starting playback, mocp returned {}".format(e.returncode))
logging.error(e.output)
play_sound(SOUND_PLAYBACK_ERROR)
except FileNotFoundError as e:
logging.error("Could not open directory {}".format(directory))
play_sound(SOUND_PLAYBACK_ERROR)
else:
logging.warning('Timeout on zbarcam')
play_sound(SOUND_SCAN_FAIL)
zbarcam.terminate()
# LED off
GPIO.output(PIN_LED, GPIO.LOW)
# wait until sensor is not blocked anymore
if (GPIO.input(PIN_SENSOR) == GPIO.HIGH):
GPIO.wait_for_edge(PIN_SENSOR, GPIO.FALLING)
time.sleep(1)
# Exit when Ctrl-C is pressed
except KeyboardInterrupt:
logging.info('Shutdown')
finally:
logging.info('Reset GPIO configuration and close')
GPIO.cleanup()
code/piplayer3_noCallback.py
+194
View File
@@ -0,0 +1,194 @@
# Control script for the piPlayer. In order to run with PulseAudio, the OSS
# sound driver has to be set as first option in ~/.moc/config
# The mocp server is then run over the padsp wrapper.
#
# ~/.moc/config
# # Use OSS for Pulseaudio compatibility (run 'padsp mocp')
# SoundDriver = OSS:ALSA:JACK
import RPi.GPIO as GPIO
import logging
import time
import subprocess
import select # see http://stackoverflow.com/a/10759061/3761783
import os
logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s - %(message)s')
logging.info('Initializing')
# Configuration
MUSIC_BASE_DIRECTORY = "/media/share/Kinder/"
SOUND_SCANNING = "file:///home/pi/sounds/scanning.mp3"
SOUND_OK = "file:///home/pi/sounds/ok.mp3"
SOUND_SCAN_FAIL = "file:///home/pi/sounds/fail.mp3"
SOUND_PLAYBACK_ERROR = "file:///home/pi/sounds/error.mp3"
QR_SCANNER_TIMEOUT = 3
BUTTON_PAUSE = 0.4
# photo sensor on PIN 17
PIN_SENSOR = 17
# IR LED on PIN 22
PIN_IR_LED = 22
# LED on PIN 27
PIN_LED = 27
# Buttons on PINs 9, 10 and 11
PIN_PREV = 9
PIN_PLAY = 10
PIN_NEXT = 11
GPIO.setmode(GPIO.BCM)
GPIO.setup(PIN_SENSOR, GPIO.IN)
GPIO.setup(PIN_IR_LED, GPIO.OUT)
GPIO.output(PIN_IR_LED, GPIO.LOW)
GPIO.setup(PIN_LED, GPIO.OUT)
GPIO.output(PIN_LED, GPIO.LOW)
GPIO.setup(PIN_PREV, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_PLAY, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(PIN_NEXT, GPIO.IN, pull_up_down=GPIO.PUD_UP)
photo_sensor_still_active = False
try:
logging.info('Start moc server')
subprocess.call(["padsp", "mocp", "--server"])
subprocess.call(["mocp", "--clear"])
subprocess.call(["mocp", "-l", SOUND_OK])
while True:
# TODO what's a good value here?
time.sleep(0.01)
if (GPIO.input(PIN_PREV) == False):
logging.debug('mocp --previous')
subprocess.call(["mocp", "--previous"])
time.sleep(BUTTON_PAUSE)
# TODO wait for ~0.25 s, if button is still pressed, seek instead of skipping
if (GPIO.input(PIN_PLAY) == False):
logging.debug('mocp --toggle-pause')
subprocess.call(["mocp", "--toggle-pause"])
time.sleep(BUTTON_PAUSE)
if (GPIO.input(PIN_NEXT) == False):
logging.debug('mocp --next')
subprocess.call(["mocp", "--next"])
time.sleep(BUTTON_PAUSE)
# TODO wait for ~0.25 s, if button is still pressed, seek instead of skipping
# check photo sensor
if ((not photo_sensor_still_active) and (GPIO.input(PIN_SENSOR) == GPIO.HIGH)):
logging.debug('Photo sensor active, activating light and camera')
subprocess.call(["mocp", "-l", SOUND_SCANNING])
# turn LED on
GPIO.output(PIN_LED, GPIO.HIGH)
# scan QR code
zbarcam = subprocess.Popen(['zbarcam', '--nodisplay', '--raw', '-Sdisable', '-Sqrcode.enable', '--prescale=320x240', '/dev/video0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
poll_obj = select.poll()
poll_obj.register(zbarcam.stdout, select.POLLIN)
# wait for scan result (or timeout)
start_time = time.time()
poll_result = False
while ((time.time() - start_time) < QR_SCANNER_TIMEOUT and (not poll_result)):
poll_result = poll_obj.poll(100)
if (poll_result):
try:
qr_code = zbarcam.stdout.readline().rstrip()
qr_code = qr_code.decode("utf-8") # python3
logging.debug("QR Code: {}".format(qr_code))
if (not qr_code.startswith("http://")):
# create full path
full_path = MUSIC_BASE_DIRECTORY + qr_code
logging.debug("Full Path {}".format(full_path))
if (not os.path.isfile(full_path)):
logging.debug("not a file > add as directory")
directory = full_path
logging.debug("Directory {}".format(directory))
else:
logging.debug("it's a file")
directory = os.path.dirname(os.path.realpath(full_path))
filename = os.path.basename(full_path)
logging.debug("Directory {}".format(directory))
logging.debug("Filename {}".format(filename))
os.chdir(directory)
#onlyfiles = [f for f in os.listdir('.') if os.path.isfile(os.path.join('.', f))]
#logging.debug(onlyfiles)
else:
logging.debug("URL > open as stream")
stream_url = qr_code
subprocess.call(["mocp", "--clear"])
subprocess.call(["mocp", "--stop"])
logging.debug("Stopped")
# play confirmation sound
subprocess.call(["mocp", "-l", SOUND_OK])
if ('stream_url' in locals()):
logging.debug("Add stream")
subprocess.check_call(["mocp", "-a", stream_url])
del stream_url
elif ('filename' in locals()):
logging.debug("Add file {}".format(filename))
subprocess.check_call(["mocp", "-a", filename])
del filename
else:
logging.debug("Add directory {}".format(directory))
subprocess.check_call(["mocp", "-a", "."])
# subprocess.check_call(["mocp", "-a", target, "-p"])
logging.debug("Start playback")
subprocess.check_call(["mocp", "-p"])
except subprocess.CalledProcessError as e:
logging.debug("Error starting playback, mocp returned {}".format(e.returncode))
logging.debug(e.output)
subprocess.call(["mocp", "-l", SOUND_PLAYBACK_ERROR])
except FileNotFoundError as e:
logging.debug("Could not open directory {}".format(directory))
subprocess.call(["mocp", "-l", SOUND_PLAYBACK_ERROR])
else:
logging.debug('Timeout on zbarcam')
subprocess.call(["mocp", "-l", SOUND_SCAN_FAIL])
# consider the photo sensor to be blocked
photo_sensor_still_active = True
zbarcam.terminate()
# LED off
GPIO.output(PIN_LED, GPIO.LOW)
elif (GPIO.input(PIN_SENSOR) == GPIO.LOW):
# 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')
subprocess.call(["mocp", "--exit"])
logging.info('Reset GPIO configuration and close')
GPIO.cleanup()
code/piplayer_pulse.py
+176
View File
@@ -0,0 +1,176 @@
# Control script for the piPlayer. In order to run with PulseAudio, the OSS
# sound driver has to be set as first option in ~/.moc/config
# The mocp server is then run over the padsp wrapper.
#
# ~/.moc/config
# # Use OSS for Pulseaudio compatibility (run 'padsp mocp')
# SoundDriver = OSS:ALSA:JACK
import RPi.GPIO as GPIO
import logging
import time
import subprocess
import select # see http://stackoverflow.com/a/10759061/3761783
import os
# Configuration
MUSIC_BASE_DIRECTORY = "/media/share/Audio/Kinder/"
SOUND_SCANNING = "/home/pi/scanning.mp3"
SOUND_OK = "/home/pi/263133__pan14__tone-beep.mp3"
SOUND_SCAN_FAIL = "/home/pi/159367__huminaatio__7-error.mp3"
SOUND_PLAYBACK_ERROR = "/home/pi/no.mp3"
QR_SCANNER_TIMEOUT = 3
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 4
GPIO.setmode(GPIO.BCM)
GPIO.setup(4, GPIO.IN)
# LED on PIN 17
GPIO.setup(17, GPIO.OUT)
GPIO.output(17, GPIO.LOW)
# Buttons on PINs 14, 15 and 18
GPIO.setup(14, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(15, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(18, GPIO.IN, pull_up_down=GPIO.PUD_UP)
photo_sensor_still_active = False
try:
logging.info('Start moc server')
subprocess.call(["padsp", "mocp", "--server"])
subprocess.call(["mocp", "--clear"])
subprocess.call(["mocp", "-l", SOUND_OK])
while True:
# TODO what's a good value here?
time.sleep(0.01)
if (GPIO.input(14) == False):
logging.debug('mocp --previous')
subprocess.call(["mocp", "--previous"])
time.sleep(BUTTON_PAUSE)
# TODO wait for ~0.25 s, if button is still pressed, seek instead of skipping
if (GPIO.input(15) == False):
logging.debug('mocp --toggle-pause')
subprocess.call(["mocp", "--toggle-pause"])
time.sleep(BUTTON_PAUSE)
if (GPIO.input(18) == False):
logging.debug('mocp --next')
subprocess.call(["mocp", "--next"])
time.sleep(BUTTON_PAUSE)
# TODO wait for ~0.25 s, if button is still pressed, seek instead of skipping
# check photo sensor
if ((not photo_sensor_still_active) and (GPIO.input(4) == GPIO.HIGH)):
logging.debug('Photo sensor active, activating light and camera')
subprocess.call(["mocp", "-l", SOUND_SCANNING])
# turn LED on
GPIO.output(17, GPIO.HIGH)
# scan QR code
zbarcam = subprocess.Popen(['zbarcam', '--nodisplay', '--raw', '-Sdisable', '-Sqrcode.enable', '--prescale=320x240', '/dev/video0'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
poll_obj = select.poll()
poll_obj.register(zbarcam.stdout, select.POLLIN)
# wait for scan result (or timeout)
start_time = time.time()
poll_result = False
while ((time.time() - start_time) < QR_SCANNER_TIMEOUT and (not poll_result)):
poll_result = poll_obj.poll(100)
if (poll_result):
try:
qr_code = zbarcam.stdout.readline().rstrip()
qr_code = qr_code.decode("utf-8") # python3
logging.debug("QR Code: {}".format(qr_code))
if (not qr_code.startswith("http://")):
# create full path
full_path = MUSIC_BASE_DIRECTORY + qr_code
logging.debug("Full Path {}".format(full_path))
if (not os.path.isfile(full_path)):
logging.debug("not a file > add as directory")
directory = full_path
logging.debug("Directory {}".format(directory))
else:
logging.debug("it's a file")
directory = os.path.dirname(os.path.realpath(full_path))
filename = os.path.basename(full_path)
logging.debug("Directory {}".format(directory))
logging.debug("Filename {}".format(filename))
os.chdir(directory)
#onlyfiles = [f for f in os.listdir('.') if os.path.isfile(os.path.join('.', f))]
#logging.debug(onlyfiles)
else:
logging.debug("URL > open as stream")
stream_url = qr_code
subprocess.call(["mocp", "--clear"])
subprocess.call(["mocp", "--stop"])
logging.debug("Stopped")
# play confirmation sound
subprocess.call(["mocp", "-l", SOUND_OK])
if ('stream_url' in locals()):
logging.debug("Add stream")
subprocess.check_call(["mocp", "-a", stream_url])
del stream_url
elif ('filename' in locals()):
logging.debug("Add file {}".format(filename))
subprocess.check_call(["mocp", "-a", filename])
del filename
else:
logging.debug("Add directory {}".format(directory))
subprocess.check_call(["mocp", "-a", "."])
# subprocess.check_call(["mocp", "-a", target, "-p"])
logging.debug("Start playback")
subprocess.check_call(["mocp", "-p"])
except subprocess.CalledProcessError as e:
logging.debug("Error starting playback, mocp returned {}".format(e.returncode))
logging.debug(e.output)
subprocess.call(["mocp", "-l", SOUND_PLAYBACK_ERROR])
except FileNotFoundError as e:
logging.debug("Could not open directory {}".format(directory))
subprocess.call(["mocp", "-l", SOUND_PLAYBACK_ERROR])
else:
logging.debug('Timeout on zbarcam')
subprocess.call(["mocp", "-l", SOUND_SCAN_FAIL])
# consider the photo sensor to be blocked
photo_sensor_still_active = True
zbarcam.terminate()
# LED off
GPIO.output(17, GPIO.LOW)
elif (GPIO.input(4) == GPIO.LOW):
# 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')
subprocess.call(["mocp", "--exit"])
logging.info('Reset GPIO configuration and close')
GPIO.cleanup()
code/test/sensor.py
+2 -2
View File
@@ -13,7 +13,7 @@ try:
print('Start sensor test')
while True:
time.sleep(0.25)
time.sleep(0.75)
if (GPIO.input(17) == GPIO.LOW):
print('LOW')
GPIO.output(27, GPIO.LOW)
@@ -22,6 +22,6 @@ try:
GPIO.output(27, GPIO.HIGH)
except KeyboardInterrupt:
print('bye')
print('KeyboardInterrupt')
GPIO.cleanup()
notes.md
+31 -8
View File
@@ -1,6 +1,7 @@
# To Do
## mopidy / spotify
### Installation
https://www.raspberrypi.org/documentation/remote-access/ssh/ --> file "ssh" on boot partition
@@ -33,7 +34,6 @@ sudo apt-get install ncmpcpp
--> https://www.mopidy.com/authenticate/#spotify
### installation for user pi
# create config
mopidy config
@@ -139,16 +139,13 @@ tmpfs /home/pi/.config tmpfs nodev,nosuid,mode=1777,uid=pi
tmpfs /var/lib/mopidy/.config tmpfs nodev,nosuid,mode=1777,uid=mopidy 0 0
### mopidy Dokumentation
#### mopidy Dokumentation
http://localhost:6680/api_explorer/#/library.search
https://docs.mopidy.com/en/latest/api/core/#mopidy.core.mopidy.core.LibraryController
https://docs.mopidy.com/en/latest/ext/file/
https://docs.mopidy.com/en/latest/service/
### ncmpcpp
#### ncmpcpp
sudo apt-get install ncmpcpp
https://wiki.archlinux.org/index.php/ncmpcpp#Basic_usage
@@ -179,8 +176,6 @@ curl -X POST -H Content-Type:application/json -d '{"jsonrpc": "2.0", "id": 1, "m
curl -X POST -H Content-Type:application/json -d '{ "method": "core.playback.get_state", "jsonrpc": "2.0", "id": 1 }' http://192.168.1.142:6680/mopidy/rpc
### Spotify URLs
https://open.spotify.com/track/3jQyadhLTxpxadQlkFh2b8
https://open.spotify.com/episode/1o8HWRR0mx5TfyxLlnKv8e
@@ -188,6 +183,34 @@ https://open.spotify.com/show/4zQKHBLkM3puG5n3jAU2H4
https://open.spotify.com/album/0BajiiFeEZv9eEx07Hw2C0
### piplayer as service
sudo nano /lib/systemd/system/piplayer.service
[Unit]
Description=piplayer
After=mopidy.service
Requires=mopidy.service
[Service]
Type=simple
#ExecStart=/usr/bin/python3 /home/pi/piplayer3.py > /tmp/piplayer3.log 2>&1
ExecStart=/bin/bash -c 'exec python3 /home/pi/piplayer3.py >> /tmp/piplayer3.log 2>&1'
User=pi
[Install]
WantedBy=multi-user.target
sudo systemctl daemon-reload
sudo systemctl enable piplayer.service
-- nach reboot
systemctl
systemctl list-dependencies piplayer
journalctl -e
sudo systemctl restart piplayer.service
## Hardware
- PHAT DAC installieren - http://www.instructables.com/id/Multiroom-Client-With-Raspberry-Pi-ZERO-and-PHAT-D/?ALLSTEPS