upm/examples/python/wt5001.py

#!/usr/bin/python
# Author: Zion Orent <zorent@ics.com>
# Copyright (c) 2015 Intel Corporation.
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

from __future__ import print_function
import time, signal, sys
from upm import pyupm_wt5001 as upmWt5001

def main():
    # Instantiate a WT5001 serial MP3 player on uart 0.
    # This example was tested on the Grove Serial MP3 module.
    myMP3Player = upmWt5001.WT5001(0)

    def printUsage(progname):
        print ("Usage: python " + progname + " <command>\n"
        "Commands:\n"
        "0  - stop playing\n"
        "1  - start playing track 1\n"
        "2  - pause/un-pause playback\n"
        "3  - next track\n"
        "4  - previous track")

    cmd = -1;
    if (len(sys.argv) > 1):
        cmd = int(sys.argv[1])

    if (not myMP3Player.setupTty(upmWt5001.cvar.int_B9600)):
        print("Failed to setup tty port parameters")
        sys.exit(0)

    if cmd == 0:
        myMP3Player.stop()
    elif cmd == 1:
        myMP3Player.play(upmWt5001.WT5001.SD, 1)
    elif cmd == 2:
        myMP3Player.pause()
    elif cmd == 3:
        myMP3Player.next()
    elif cmd == 4:
        myMP3Player.previous()
    else:
        # nothing, just output usage, and info below
        printUsage(sys.argv[0])

    # print out some information
    vol = upmWt5001.uint8Array(0)
    myMP3Player.getVolume(vol)
    print("The current volume is: " + str(vol.__getitem__(0)))

    ps = upmWt5001.uint8Array(0)
    myMP3Player.getPlayState(ps)
    print("The current play state is: " + str(ps.__getitem__(0)))

    numf = upmWt5001.uint16Array(0)
    myMP3Player.getNumFiles(upmWt5001.WT5001.SD, numf)
    print("The number of files on the SD card is: " + str(numf.__getitem__(0)))

    curf = upmWt5001.uint16Array(0)
    myMP3Player.getCurrentFile(curf)
    print("The current file is: " + str(curf.__getitem__(0)))

    # set the date
    myMP3Player.setDate(2015, 3, 14)

    # set the time
    myMP3Player.setTime(9, 26, 53)

    year = upmWt5001.uint16Array(0)
    month = upmWt5001.uint8Array(0)
    day = upmWt5001.uint8Array(0)

    myMP3Player.getDate(year, month, day)
    mp3date = str(month.__getitem__(0)) + "/"
    mp3date += (str(day.__getitem__(0)) + "/")
    mp3date += str(year.__getitem__(0))
    print("The device date is: " + mp3date)

    hour = upmWt5001.uint8Array(0)
    minute = upmWt5001.uint8Array(0)
    second = upmWt5001.uint8Array(0)
    myMP3Player.getTime(hour, minute, second)
    mp3time = str(hour.__getitem__(0)) + ":"
    mp3time += (str(minute.__getitem__(0)) + ":")
    mp3time += str(second.__getitem__(0))
    print("The device time is: " + mp3time)

if __name__ == '__main__':
    main()