Posted on January 02, 2018 at 11:40//stm32f4xx.h
//CS4271 audio CODEC
//GPIOC _I2S_SDO GPIO_Pin_12
//GPIOC _I2S_SDI GPIO_Pin_11
//GPIOC _I2S_SCK GPIO_Pin_10
//GPIOA _I2S_WS GPIO_Pin_15
#define AUDIO_I2S SPI3
#define AUDIO_I2S_EXT I2S3ext
#define AUDIO_I2S_CLK RCC_APB1Periph_SPI3
#define AUDIO_I2S_ADDRESS (SPI3_BASE + 0x3C00) //Are these values correct?
#define AUDIO_I2S_EXT_ADDRESS
(I2S3ext_BASE + 0x4000) //Are these values correct?
#define AUDIO_I2S_GPIO_AF GPIO_AF_SPI3
#define AUDIO_I2S_IRQ SPI3_IRQn
#define AUDIO_I2S_EXT_ IRQ SPI3_IRQn
#define AUDIO_I2S_IRQHandler SPI3_IRQHandler
#define AUDIO_I2S_EXT_IRQHandler SPI3_IRQHandler
#define AUDIO_I2S_DMA_CLOCK RCC_AHB1Periph_DMA1
#define AUDIO_I2S_DMA_STREAM DMA1_Stream5
#define AUDIO_I2S_DMA_DREG AUDIO_I2S_ADDRESS
#define AUDIO_I2S_DMA_CHANNEL DMA_Channel_0
#define AUDIO_I2S_DMA_IRQ DMA1_Stream5_IRQn
#define AUDIO_I2S_DMA_FLAG_TC DMA_FLAG_TCIF5
#define AUDIO_I2S_DMA_FLAG_HT DMA_FLAG_HTIF5
#define AUDIO_I2S_DMA_FLAG_FE DMA_FLAG_FEIF5
#define AUDIO_I2S_DMA_FLAG_TE DMA_FLAG_TEIF5
#define AUDIO_I2S_DMA_FLAG_DME DMA_FLAG_DMEIF5
#define AUDIO_I2S_EXT_DMA_STREAM DMA1_Stream2
#define AUDIO_I2S_EXT_DMA_DREG AUDIO_I2S_EXT_ADDRESS
#define AUDIO_I2S_EXT_DMA_CHANNEL DMA_Channel_2
#define AUDIO_I2S_EXT_DMA_IRQ DMA1_Stream2_IRQn
#define AUDIO_I2S_EXT_DMA_FLAG_TC DMA_FLAG_TCIF2
#define AUDIO_I2S_EXT_DMA_FLAG_HT DMA_FLAG_HTIF2
#define AUDIO_I2S_EXT_DMA_FLAG_FE DMA_FLAG_FEIF2
#define AUDIO_I2S_EXT_DMA_FLAG_TE DMA_FLAG_TEIF2
#define AUDIO_I2S_EXT_DMA_FLAG_DME DMA_FLAG_DMEIF2
#define I2S_STANDARD I2S_Standard_Phillips
stm32f4xx.h is writing.
(SPI3_BASE + 0x3C00)
(I2S3ext_BASE + 0x4000)
I'm not sure right?
Thank you.
