Create rasp_starup.py

1 files changed, 59 insertions, 0 deletions

diff --git a/rasp_starup.py b/rasp_starup.py
new file mode 100644
index 0000000..1ba0b0a
--- /dev/null
+++ b/rasp_starup.py
@@ -0,0 +1,59 @@
+import RPi.GPIO as GPIO
+import time
+import thread
+import subprocess
+
+# pin-setup
+GPIO.setmode(GPIO.BOARD)
+led_pin = 12
+blk_pin = 16
+red_pin = 18
+
+# set volume
+cmd_amixer1 = 'amixer -c 0 set PCM 98%'
+cmd_amixer2 = 'amixer -c 0 set Speaker 98%'
+
+# the process we want to start and its argument
+cmd_player = 'mplayer'
+arg_player = 'http://192.168.1.33:8000/mpd.ogg'
+process = 0
+
+def playerThreadFunc():
+   # we need in every thread, so it is a global
+   global process
+   # kill if running
+   if process != 0:
+      if process.poll() == None:
+         process.kill()
+         time.sleep(1)
+   # turn on led
+   GPIO.output(led_pin, True)
+   # start process and wait for termination
+   process = subprocess.Popen([cmd_player, arg_player])
+   process.wait()
+   # turn off led
+   GPIO.output(led_pin, False)
+
+# callback function
+def callBackFunc(channel=0):
+   thread.start_new_thread(playerThreadFunc, ())
+
+# init
+GPIO.setup(led_pin, GPIO.OUT)
+GPIO.setup(blk_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+GPIO.setup(red_pin, GPIO.IN, pull_up_down=GPIO.PUD_UP)
+
+# add event
+GPIO.add_event_detect(blk_pin, GPIO.RISING, callback=callBackFunc, bouncetime=300)
+
+while True:
+   subprocess.call(cmd_amixer1, shell=True)
+   subprocess.call(cmd_amixer2, shell=True)
+   thread.start_new_thread(playerThreadFunc, ())
+   GPIO.wait_for_edge(red_pin, GPIO.FALLING)
+   break
+
+# clean
+GPIO.cleanup()
+
+subprocess.call('shutdown -h now', shell=True)