Playlist support for http://dev.shyd.de/2013/09/avr-raspberry-pi-vw-beta-vag-cdc-faker/

vag_cdc.py

# replace function `play_cd` with this one to play a playlist instead of folder `cd6`
# This assumes you have a playlist ready in `/var/lib/mpd/playlists/myAwesomePlaylist.m3u`

# load new cd-dir
def play_cd(cd_no):
    if ser.read() == CDC_END_CMD and ser.read() == CDC_CDSET:
        if str(cd_no) == "6":
            os.popen("mpc clear")
            os.popen("mpc load myAwesomePlaylist")
            os.popen("mpc play")
        else:
            r = os.popen("mpc ls cd" + str(cd_no)).read()
            if r != "":
                set_cd_no(chr(CD_MASK + cd_no))
                os.popen("mpc clear")
                os.popen("mpc ls cd" + str(cd_no) + " | mpc add")
                os.popen("mpc play")