From 105fe23bb3a47237135fedb67a638a5e5cffa148 Mon Sep 17 00:00:00 2001 From: lookshe Date: Sat, 20 Sep 2014 19:30:30 +0200 Subject: Create rasp_starup.py --- rasp_starup.py | 59 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 rasp_starup.py 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) -- cgit v1.2.3