when setting audio via I2C1, I always got NACK on the bus. I have checked AD0=0 , and guess it is the audio codec not ready, how can I resolve this issue? AUDIO_I2C_ADDRESS= 0x94 void AUDIO_IO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
uint8...
Hi @Olivier GALLIEN ,Thanks for your response.Now I have already realized the recording function using alsa-lib on Cortex-A7. But on Cortex-M4, I still don't know how to configure SAI2 /CODEC(cs42l51)/I2C1. Even more, I can't find the codec interface...