WM8978 音乐播放实验 带DMA传输功能 I2S CE经测试-DMA transfer function I2S WM8978 music player has been tested with experiments

安富莱开发板配置的I2S音频CODEC芯片为WM8978。STM32通过I2C总线控制WM8978，通过I2S接口传输（录和放）音频数据。(The I2S audio codec chip configured by anfulai development board is wm8978. STM32 controls wm8978 through I2C bus and transmits (records and plays) audio data through I2S interface