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8ae553d99e
Enables I2S stereo input via DMA using new API calls: . i2s_rxtx_begin(bool rx, rool tx); . i2s_read_sample(uint32_t *l, uint32_t *r); Original API calls will only enable TX, so this is backwards compatible. Add simple I2S input example code using Arduino serial plotter. Add UDP transmit of I2S microphone data to a PC (remote microphone). Clean up and reorganize code to share RX and TX logic as much as possible. Fix a potential WDT error while in blocking sample read and write.