playi2s.py

# 
# Files that have been converted as follows have been tested
# Other formats may work.....
#

"""Audio Format                          : PCM
Format settings                          : Little / Signed
Codec ID                                 : 1
Duration                                 : 4 min 5 s
Bit rate mode                            : Constant
Bit rate                                 : 128 kb/s
Channel(s)                               : 1 channel
Sampling rate                            : 8 000 Hz
Bit depth                                : 16 bits
Stream size                              : 3.75 MiB (100%)
"""


import board
try:
    import bitbangio
except:
    import busio as bitbangio
try:
    import adafruit_sdcard
except:
    try:
        import sdcardio as adafruit_sdcard
    except:
        pass
try:
    from pydos_ui import Pydos_ui
except:
    try:
        from cardputer_repl import Pydos_ui
    except:
        from sys import stdin as Pydos_ui

import digitalio
import storage
import audiocore
import audiobusio
fname = input("Filename:")
try:
    if "SD_SPI" in dir(board):
        spi = board.SD_SPI()
    elif "SD_SCK" in dir(board):
        spi = bitbangio.SPI(board.SD_SCK,board.SD_MOSI,board.SD_MISO)
    elif "SPI" in dir(board):
        spi = board.SPI()
    else:
        spi = bitbangio.SPI(board.SCK,board.MOSI,board.MISO)

    if "SD_CS" in dir(board):
        cs = digitalio.DigitalInOut(board.SD_CS)
    elif "SDCARD_CS" in dir(board):
        cs = digitalio.DigitalInOut(board.SDCARD_CS)
    else:
        cs = digitalio.DigitalInOut(board.CS)

    try:
        sd = adafruit_sdcard.SDCard(spi,cs)
    except:
        cs.deinit()
        if "SD_CS" in dir(board):
            sd = adafruit_sdcard.SDCard(spi,board.SD_CS)
        elif "SDCARD_CS" in dir(board):
            sd = adafruit_sdcard.SDCard(spi,board.SDCARD_CS)
        else:
            sd = adafruit_sdcard.SDCard(spi,board.CS)

    vfs = storage.VfsFat(sd)
    storage.mount(vfs,'/sd')
    print('SD card mounted on /sd')
except:
    pass
f = open(fname, "rb")
wav = audiocore.WaveFile(f)
a = None
if 'I2S_BIT_CLOCK' in dir(board):
    # Temporary fix until board defintion update is merged
    try:
        a = audiobusio.I2SOut(board.I2S_BIT_CLOCK, board.I2S_WORD_SELECT, board.I2S_DATA)
    except:
        a = audiobusio.I2SOut(board.I2S_BIT_CLOCK, board.I2S_WORD_SELECT, board.IS2_DATA)
elif 'I2S_BCK' in dir(board):
    a = audiobusio.I2SOut(board.I2S_BCK, board.I2S_WS, board.I2S_DOUT)
elif 'SPEAKER_SCK' in dir(board):
    a = audiobusio.I2SOut(board.SPEAKER_SCK, board.SPEAKER_WS, board.SPEAKER_DOUT)
else:
    print('No I2S pins defined on the board')

if a is not None:
    print("Press Q to quit")
    try:
        a.play(wav)
        while True:
            if 'read_keyboard' in dir(Pydos_ui):
                cmnd = Pydos_ui.read_keyboard(1)
            else:
                cmnd = Pydos_ui.read(1)
            if cmnd in "qQ":
                a.stop()
                break
    except:
        pass
        
    a.deinit()
f.close()