HOW TO DEFINE I2S DMA PARA

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HOW TO DEFINE I2S DMA PARA

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harry3
Contributor III

hi NXP team,

#define DEMO_I2S_TX_INSTANCE_INDEX      (7U)
#define DEMO_DMA_INSTANCE_INDEX         (0U)
#define DEMO_I2S_TX_CHANNEL             (19)
#define DEMO_I2S_MASTER_CLOCK_FREQUENCY (24576000)
 
The above definitions use DMA to transmit I2S TX (I2S7). Now I want to use I2S6 for I2S DMA reception. How should I configure these values?
上面这些定义是使用DMA 传输 I2S TX (I2S7), 我现在要使用I2S6 做i2s dma rx。改如何配置这几个值呢?
#define DEMO_I2S_RX_INSTANCE_INDEX      (????)
#define DEMO_RX_DMA_INSTANCE_INDEX         (????)
#define DEMO_I2S_RX_CHANNEL             (????)
 
Thanks
Harry 
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Harry_Zhang
NXP Employee
NXP Employee

Hi @harry3 

May i ask which chip you are using?

BR

Harry

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