I2S and Arduino Sound libraries with MKR1000

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hi,
i have problem new i2s and arduino sound
main problem can't (output) examples work.
first thing not i2s initializing errors when nothing connected mkr. in fact not messages should been sent via serial in setup function (also added more debugging , nothing).
second thing without additional device connected managed data sent via serial in input examples touching connectors (clap detected in clapping demo , random numbers instead of zeros in serial plotter). believe because  rf rubbish made body. didn't i2s related info setup function.
and last thing have polish clone of ts4657 dac have mck line in addition ws clk , sd.

i believe lrclk=lrc, bclk=bclk, sdat=din, , mclk master clock should 256 times faster sampling freq.
i didn't board working. tried connect mclk pin12 (which pa9) because atmels datasheet says it's mclk i2s[0] include 3,2,and a6 pins used in libraries.
i tried mclk not connected, didn't help.

so questions are: libraries working other dacs? , possible use i2s device needs mclk signal tchem or should able use ts4657 dac?




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