sai_peripheral

Overview

The SAI Demo application demonstrates complicated digital audio playback and record case. The demo provide these features below:

1. Duplex audio transfer, record and playback at same time.

2. Playback a 250 Hz sine wave data generated by CMSIS-DSP library. Also compute the fundamental frequency using Fast Fourier Transform with CMSIS-DSP library.

3. Record a 5 seconds audio to sdcard with a FatFs system. After record, playback it. This feature may only existed in platform which support sdhc.

Supported Boards

• EVKB-IMXRT1050

• MIMXRT1060-EVKB

• MIMXRT1060-EVKC

• EVK-MIMXRT1015

• EVK-MIMXRT1020

• MIMXRT1024-EVK

• MIMXRT1040-EVK

• EVK-MIMXRT1064