STM32H743/753的I2S通信问题求教

木木木木木啊 · 发表于 2024-6-20 16:35:36

[C] 纯文本查看 复制代码

int main(void)
{
	SystemClock_Config();	//系统时钟初始化成400MHz
	LED_GPIO_Config();		//LED 端口初始化
	USART_Config();			//配置串口1为：115200 8-N-1
	if(TEST_I2S1M_TO_I2S2S() ==1)       //I2S读写正确
	{
        LED1(ON);
	}
	else                                //I2S读写错误
	{
        LED3(ON);
	}
	
	while(1)
	{
		
	}			
}

[C] 纯文本查看 复制代码

I2S_HandleTypeDef hi2s1;
I2S_HandleTypeDef hi2s2;

uint16_t I2S1_Buffer_Tx[BufferSize] = {0x0102, 0x0304, 0x0506, 0x0708, 0x090A, 0x0B0C,
                                  0x0D0E, 0x0F10, 0x1112, 0x1314, 0x1516, 0x1718,
                                  0x191A, 0x1B1C, 0x1D1E, 0x1F20, 0x2122, 0x2324,
                                  0x2526, 0x2728, 0x292A, 0x2B2C, 0x2D2E, 0x2F30,
                                  0x3132, 0x3334, 0x3536, 0x3738, 0x393A, 0x3B3C,
                                  0x3D3E, 0x3F40};

uint16_t SPI1_Buffer_Tx[BufferSize] = {0x5152, 0x5354, 0x5556, 0x5758, 0x595A, 0x5B5C,
                                  0x5D5E, 0x5F60, 0x6162, 0x6364, 0x6566, 0x6768,
                                  0x696A, 0x6B6C, 0x6D6E, 0x6F70, 0x7172, 0x7374,
                                  0x7576, 0x7778, 0x797A, 0x7B7C, 0x7D7E, 0x7F80,
                                  0x8182, 0x8384, 0x8586, 0x8788, 0x898A, 0x8B8C,
                                  0x8D8E, 0x8F90};

__IO uint16_t I2S2_Buffer_Rx[BufferSize];
__IO uint16_t SPI2_Buffer_Rx[BufferSize];
__IO uint8_t TxIdx = 0, RxIdx = 0;
volatile TestStatus TransferStatus1 = FAILED, TransferStatus2 = FAILED;
volatile TestStatus TransferStatus3 = FAILED; 

/* Private function prototypes -----------------------------------------------*/

void GPIO_Configuration(void)
{
	GPIO_InitTypeDef GPIO_InitStruct = {0};
	RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
	
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI1;
    PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_CLKP;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      while(1);
    }
	
    PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_SPI2;
    PeriphClkInitStruct.Spi123ClockSelection = RCC_SPI123CLKSOURCE_CLKP;
    if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
    {
      while(1);
    }

    __HAL_RCC_SPI1_CLK_ENABLE();
    __HAL_RCC_SPI2_CLK_ENABLE();
    __HAL_RCC_GPIOA_CLK_ENABLE();
    __HAL_RCC_GPIOB_CLK_ENABLE();
	__HAL_RCC_GPIOC_CLK_ENABLE();
	
	/*	PA4-I2S1-WS		PA5-I2S1-CK		PA7-I2S1-SDO	
		PB12-I2S2-WS	PB13-I2S2-CK	PB15-I2S2-SDO
	*/
	
    GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
	
	GPIO_InitStruct.Pin = GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_15;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);   
	
	GPIO_InitStruct.Pin = GPIO_PIN_4;			//PC4-I2S1-MCK
	GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
	HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
	
	GPIO_InitStruct.Pin = GPIO_PIN_6;			//PC6-I2S2-MCK
	GPIO_InitStruct.Alternate = GPIO_AF5_SPI2;
	HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
}

void I2S1_Master_TO_I2S2_Slave_Config(void)
{
	

	__HAL_RCC_SPI1_CLK_ENABLE();
	__HAL_RCC_SPI2_CLK_ENABLE();

	if (HAL_I2S_DeInit(&hi2s1) != HAL_OK)
	{
		while(1);
	}
	if (HAL_I2S_DeInit(&hi2s2) != HAL_OK)
	{
		while(1);
	}
	hi2s1.Instance = SPI1;
	hi2s1.Init.Mode = I2S_MODE_MASTER_TX;
	hi2s1.Init.Standard = I2S_STANDARD_PHILIPS;
	hi2s1.Init.DataFormat = I2S_DATAFORMAT_16B;
	hi2s1.Init.MCLKOutput = I2S_MCLKOUTPUT_DISABLE;
	hi2s1.Init.AudioFreq = I2S_AUDIOFREQ_48K;
	hi2s1.Init.CPOL = I2S_CPOL_LOW;
	hi2s1.Init.FirstBit = I2S_FIRSTBIT_MSB;
	hi2s1.Init.WSInversion = I2S_WS_INVERSION_DISABLE;
	hi2s1.Init.Data24BitAlignment = I2S_DATA_24BIT_ALIGNMENT_RIGHT;
	hi2s1.Init.MasterKeepIOState = I2S_MASTER_KEEP_IO_STATE_DISABLE;
	if (HAL_I2S_Init(&hi2s1) != HAL_OK)
	{
		while(1);
	}
	
	hi2s2.Instance = SPI2;
	hi2s2.Init.Mode = I2S_MODE_SLAVE_RX;
	hi2s2.Init.Standard = I2S_STANDARD_PHILIPS;
	hi2s2.Init.DataFormat = I2S_DATAFORMAT_16B;
	hi2s2.Init.MCLKOutput = I2S_MCLKOUTPUT_DISABLE;
	hi2s2.Init.AudioFreq = I2S_AUDIOFREQ_48K;
	hi2s2.Init.CPOL = I2S_CPOL_LOW;
	hi2s2.Init.FirstBit = I2S_FIRSTBIT_MSB;
	hi2s2.Init.WSInversion = I2S_WS_INVERSION_DISABLE;
	hi2s2.Init.Data24BitAlignment = I2S_DATA_24BIT_ALIGNMENT_RIGHT;
	hi2s2.Init.MasterKeepIOState = I2S_MASTER_KEEP_IO_STATE_DISABLE;
	if (HAL_I2S_Init(&hi2s2) != HAL_OK)
	{
		while(1);
	}
	__HAL_I2S_ENABLE(&hi2s1);
	__HAL_I2S_ENABLE(&hi2s2);
}	
	
uint8_t TEST_I2S1M_TO_I2S2S(void)
{    
    uint16_t i;
    GPIO_Configuration();
    I2S1_Master_TO_I2S2_Slave_Config();
    
    printf("待发送的数据为 \n");
    for ( i=0; i<BufferSize; i++ ) 			//填充缓冲
    {   
        printf("0x%04X ", I2S1_Buffer_Tx[i]);
        if(i%8 == 7)    
            printf("\n\r");    
    }
    
    //开始发送数据
    while (RxIdx < BufferSize)
    {
        while (__HAL_I2S_GET_FLAG(&hi2s1,I2S_FLAG_TXE) == RESET)         //等待 发送缓冲区为空     
		if (HAL_I2S_Transmit(&hi2s1, (uint16_t *)I2S1_Buffer_Tx[TxIdx++], BufferSize, 5000)!= HAL_OK)
		{
			while(1);
		}
		
		printf("123 \n");
		
		while (__HAL_I2S_GET_FLAG(&hi2s2,I2S_FLAG_RXNE) == RESET) //等待 接收缓冲区非空  


		
		if (HAL_I2S_Receive(&hi2s2, (uint16_t *)I2S2_Buffer_Rx[RxIdx++], BufferSize, 5000)!= HAL_OK)
		{
			while(1);
		}
    }
    printf("接收到的数据为 \n");
    for (i=0; i<BufferSize; i++)                                       //将I2c_Buf_Read中的数据通过串口打印
    {	
        if(I2S1_Buffer_Tx[i] != I2S2_Buffer_Rx[i])
        {
            printf("0x%04X ", I2S2_Buffer_Rx[i]);
            printf("错误:I2S 写入与读出的数据不一致");
            return 0;
        }
        printf("0x%04X ", I2S2_Buffer_Rx[i]);
        if(i%8 == 7)    
            printf("\n\r");
    }
    printf(" I2S1 和 I2S2  主发从收通讯测试成功 \n");
    return 1;
}

此程序接线WS接WS，CK接CK，SDO接SDO,MCK接MCK。是两个I2S口相互通信，问题是debug程序卡在while (__HAL_I2S_GET_FLAG(&hi2s2,I2S_FLAG_RXNE) == RESET);
采集IO波形发现什么都没有，怀疑是时钟没开到，求助各位能否帮我看看哪里出错了，谢谢