menu "I2S STD Example Configuration" choice DUPLEX_MODE prompt "I2S STD duplex/simplex select" default USE_DUPLEX help Select duplex mode or simplex mode for the example config USE_DUPLEX bool "Duplex TX and RX channels" help Allocate TX and RX channels on a same I2S controller in duplex mode, sharing the BCLK and WS signal config USE_SIMPLEX bool "Simplex TX and RX channels" depends on !IDF_TARGET_ESP32S2 help Allocate TX and RX channels in duplex mode, they are totally separate. endchoice endmenu