Why not using the I²S interfaces with DMA instead of external I2S codec? - Githubissues

espressif / ESP8266_MP3_DECODER

A demo that should be run with ESP8266 Non-OS SDK

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Why not using the I²S interfaces with DMA instead of external I2S codec? #8

Closed confile closed 8 years ago

confile commented 8 years ago

According to https://en.wikipedia.org/wiki/ESP8266 the ESP8266 has a build in I²S interfaces with DMA

Why not using the I²S interfaces with DMA instead of external I2S codec?

Spritetm commented 8 years ago

Erm, that's what we do. The I2S interface spits out an I2S signal, and you can't listen to that without converting it to an analog signal. Which the I2S codec does.