STM32H7A3VGTA QSPI读W25Q128J DMA模式不能工作

[复制链接]

onlap 提问时间：2025-10-29 23:14 / 未解决

问答
是否解决:	未解决

STM32H7A3VGTA 配置QSPI读书W25Q128储存器读取写入数据都正常，使用MDMA模式就死机，

使用CubeMX配置QSPI MDMA ,代码如下：

/ Includes ------------------------------------------------------------------/

include "octospi.h"

/ USER CODE BEGIN 0 /

/ USER CODE END 0 /

OSPI_HandleTypeDef hospi1; MDMA_HandleTypeDef hmdma_octospi1_fifo_th;

/ OCTOSPI1 init function / void MX_OCTOSPI1_Init(uint16_t ClockPrescaler) {

/ USER CODE BEGIN OCTOSPI1_Init 0 /

/ USER CODE END OCTOSPI1_Init 0 /

OSPIM_CfgTypeDef sOspiManagerCfg = {0};

/ USER CODE BEGIN OCTOSPI1_Init 1 /

/ USER CODE END OCTOSPI1_Init 1 / hospi1.Instance = OCTOSPI1; hospi1.Init.FifoThreshold = 16;// FIFO阈值为4个字节空闲字节数 hospi1.Init.DualQuad = HAL_OSPI_DUALQUAD_DISABLE;//禁止双闪存模式 hospi1.Init.MemoryType = HAL_OSPI_MEMTYPE_MACRONIX;//储存器类型为标准协议MACRONIX hospi1.Init.DeviceSize = 24;// SPI FLASH大小，W25Q128大小为16M字节,2^24，所以取权值24-1=23 //QSPI_FLASH_SIZE - 1; 需要扩大一倍，否则内存映射方位最后 1 个地址时，会异常 hospi1.Init.ChipSelectHighTime =3;// 范围0-7片选高电平时间为3个时钟(106=60ns),即手册里面的参数tSHSL1=10nS tSHSL2=50nS hospi1.Init.FreeRunningClock = HAL_OSPI_FREERUNCLK_DISABLE;//自由运行时钟模式 hospi1.Init.ClockMode = HAL_OSPI_CLOCK_MODE_0; //模式0 片选信号为高的时候时钟为低电平 hospi1.Init.WrapSize = HAL_OSPI_WRAP_NOT_SUPPORTED;//内存不支持卷读取 hospi1.Init.ClockPrescaler =ClockPrescaler; // QPSI分频比=280/(2+1)=93.333MHz，W25Q128最大频率为133M hospi1.Init.SampleShifting = HAL_OSPI_SAMPLE_SHIFTING_HALFCYCLE;// 采样移位半个周期(DDR模式下,必须设置为0) hospi1.Init.DelayHoldQuarterCycle = HAL_OSPI_DHQC_DISABLE;//DDR模式延期周期无延迟 hospi1.Init.ChipSelectBoundary = 0;//芯片选择边界单Flash模式（推荐设置为0） hospi1.Init.DelayBlockBypass = HAL_OSPI_DELAY_BLOCK_BYPASSED;//不使用时间延迟模块 hospi1.Init.MaxTran = 0;//最大传输字节数 DCR3 hospi1.Init.Refresh = 0;//禁用刷新率 DCR4 if (HAL_OSPI_Init(&hospi1) != HAL_OK)//函数内部包括引脚初始化void HAL_OSPI_MspInit(OSPI_HandleTypeDef ospiHandle) { Error_Handler(); }

//端口管理

sOspiManagerCfg.ClkPort = 1;//时钟引脚 sOspiManagerCfg.NCSPort = 1;//片选端口 sOspiManagerCfg.IOLowPort = HAL_OSPIM_IOPORT_1_LOW; sOspiManagerCfg.Req2AckTime = 1; if (HAL_OSPIM_Config(&hospi1, &sOspiManagerCfg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { Error_Handler(); }

/ USER CODE BEGIN OCTOSPI1_Init 2 /

/ USER CODE END OCTOSPI1_Init 2 /

}

void HAL_OSPI_MspInit(OSPI_HandleTypeDef* ospiHandle) {

GPIO_InitTypeDef GPIO_InitStruct = {0}; if(ospiHandle->Instance==OCTOSPI1) { / USER CODE BEGIN OCTOSPI1_MspInit 0 /

/ USER CODE END OCTOSPI1_MspInit 0 /

LL_RCC_SetOSPIClockSource(LL_RCC_OSPI_CLKSOURCE_HCLK);//280MHz

/ OCTOSPI1 clock enable / HAL_RCC_OCTOSPIM_CLK_ENABLE(); HAL_RCC_OSPI1_CLK_ENABLE();

HAL_RCC_GPIOA_CLK_ENABLE(); HAL_RCC_GPIOC_CLK_ENABLE(); /*OCTOSPI1 GPIO Configuration PA1 ------> OCTOSPIM_P1_IO3 PA3 ------> OCTOSPIM_P1_CLK PA7 ------> OCTOSPIM_P1_IO2 PC9 ------> OCTOSPIM_P1_IO0 PC10 ------> OCTOSPIM_P1_IO1 PC11 ------> OCTOSPIM_P1_NCS / GPIO_InitStruct.Pin = GPIO_PIN_1; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF9_OCTOSPIM_P1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_3; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF3_OCTOSPIM_P1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_7; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF10_OCTOSPIM_P1; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH; GPIO_InitStruct.Alternate = GPIO_AF9_OCTOSPIM_P1; HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

/ OCTOSPI1 MDMA Init / / MDMA controller clock enable / __HAL_RCC_MDMA_CLK_ENABLE(); // HAL_MDMA_DeInit(&hmdma_octospi1_fifo_th);

/ OCTOSPI1 MDMA Init / // OCTOSPI1_FIFO_TH Init hmdma_octospi1_fifo_th.Instance = MDMA_Channel0; // 使用MDMA的通道0 hmdma_octospi1_fifo_th.Init.Request = MDMA_REQUEST_OCTOSPI1_FIFO_TH; // QSPI的FIFO阀值触发中断 hmdma_octospi1_fifo_th.Init.TransferTriggerMode = MDMA_BUFFER_TRANSFER; // 使用MDMA的buffer传输 hmdma_octospi1_fifo_th.Init.Priority = MDMA_PRIORITY_VERY_HIGH; // 优先级高 hmdma_octospi1_fifo_th.Init.Endianness = MDMA_LITTLE_ENDIANNESS_PRESERVE;// 小端格式 hmdma_octospi1_fifo_th.Init.SourceInc = MDMA_SRC_INC_DISABLE;// BYTE;// // 源地址字节不递增 hmdma_octospi1_fifo_th.Init.DestinationInc = MDMA_DEST_INC_BYTE; // 目的地址自增 hmdma_octospi1_fifo_th.Init.SourceDataSize = MDMA_SRC_DATASIZE_BYTE; // 源地址数据宽度字节 hmdma_octospi1_fifo_th.Init.DestDataSize = MDMA_DEST_DATASIZE_BYTE;// 目的地址数据宽度字节 hmdma_octospi1_fifo_th.Init.DataAlignment = MDMA_DATAALIGN_PACKENABLE; // 小端，右对齐 hmdma_octospi1_fifo_th.Init.BufferTransferLength = 16; // 每次传输1个字节 hmdma_octospi1_fifo_th.Init.SourceBurst = MDMA_SOURCE_BURST_SINGLE; // 源数据单次传输 hmdma_octospi1_fifo_th.Init.DestBurst = MDMA_DEST_BURST_SINGLE; // 目的数据单次传输 hmdma_octospi1_fifo_th.Init.SourceBlockAddressOffset = 0; // 用于block传输，buffer传输用不到 hmdma_octospi1_fifo_th.Init.DestBlockAddressOffset = 0; // 用于block传输，buffer传输用不到

if (HAL_MDMA_Init(&hmdma_octospi1_fifo_th) != HAL_OK)//初始化 { Error_Handler(); }

if (HAL_MDMA_ConfigPostRequestMask(&hmdma_octospi1_fifo_th, 0, 0) != HAL_OK)// { Error_Handler(); }

__HAL_LINKDMA(ospiHandle,hmdma,hmdma_octospi1_fifo_th);

/ OCTOSPI1 interrupt Init / HAL_NVIC_SetPriority(OCTOSPI1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(OCTOSPI1_IRQn);

// / Clear all interrupt flags / // HAL_MDMA_CLEAR_FLAG(&hmdma_octospi1_fifo_th, (MDMA_FLAG_TE | MDMA_FLAG_CTC | MDMA_FLAG_BT | MDMA_FLAG_BRT | MDMA_FLAG_BFTC)); //
//// / Clear the Channel Transfer Complete flag / //// HAL_MDMA_CLEAR_FLAG(&hmdma_octospi1_fifo_th, MDMA_FLAG_CTC);

// / Enable the Peripheral / // __HAL_MDMA_ENABLE(&hmdma_octospi1_fifo_th);

} }

void HAL_OSPI_MspDeInit(OSPI_HandleTypeDef* ospiHandle) {

if(ospiHandle->Instance==OCTOSPI1) { / USER CODE BEGIN OCTOSPI1_MspDeInit 0 /

/ USER CODE END OCTOSPI1_MspDeInit 0 / / Peripheral clock disable / HAL_RCC_OCTOSPIM_CLK_DISABLE(); HAL_RCC_OSPI1_CLK_DISABLE();

/*OCTOSPI1 GPIO Configuration PA1 ------> OCTOSPIM_P1_IO3 PA3 ------> OCTOSPIM_P1_CLK PA7 ------> OCTOSPIM_P1_IO2 PC9 ------> OCTOSPIM_P1_IO0 PC10 ------> OCTOSPIM_P1_IO1 PC11 ------> OCTOSPIM_P1_NCS / HAL_GPIO_DeInit(GPIOA, GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_7);

HAL_GPIO_DeInit(GPIOC, GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11);

/ OCTOSPI1 MDMA DeInit / HAL_MDMA_DeInit(ospiHandle->hmdma);

/ OCTOSPI1 interrupt Deinit / HAL_NVIC_DisableIRQ(OCTOSPI1_IRQn); / USER CODE BEGIN OCTOSPI1_MspDeInit 1 /

/ USER CODE END OCTOSPI1_MspDeInit 1 / } }

/ USER CODE BEGIN 1 /

/W25Q128 读取数据/

include "w25qxx_OSPI.h"

include "TFT_LCD.h"//LCD显示驱动

extern MDMA_HandleTypeDef hmdma_octospi1_fifo_th; extern OSPI_HandleTypeDef hospi1;

/ 本文件使用的全局变量 / static __IO uint8_t rx_Completed,tx_Completed,cmd_Completed,status_Match;//,timeout;

/ USER CODE BEGIN 1 /

/**

@brief 初始化OSPI存储器
@retval OSPI存储器状态 */

uint8_t W25Qxx_OSPI_Init(uint16_t ClockPrescaler) { OSPI_RegularCmdTypeDef s_command; uint16_t w25qxx_id; uint8_t value = W25QxJV_FSR_QE;

/* OSPI存储器复位 */

if (W25Qxx_OSPI_ResetMemory() != OSPI_OK) { return OSPI_NOT_SUPPORTED; }

/ 使能写操作 / if (W25Qxx_OSPI_WriteEnable() != OSPI_OK) { return OSPI_ERROR; } / 设置四路使能的状态寄存器，使能四通道IO2和IO3引脚 / /*

@brief QSPI发送命令
@param cmd : 要发送的指令
@param addr: 发送到的目的地址
@param mode: 模式,详细位定义如下:
@arg mode[1:0]: 指令模式; 00,无指令; 01,单线传输指令; 10,双线传输指令; 11,四线传输指令.
@arg mode[3:2]: 地址模式; 00,无地址; 01,单线传输地址; 10,双线传输地址; 11,四线传输地址.
@arg mode[5:4]: 地址长度; 00,8位地址; 01,16位地址; 10,24位地址; 11,32位地址.
@arg mode[7:6]: 数据模式; 00,无数据; 01,单线传输数据; 10,双线传输数据; 11,四线传输数据.
@param dmcycle: 空指令周期数

/ s_command.OperationType = HAL_OSPI_OPTYPE_COMMON_CFG;//工作模式配置 s_command.FlashId = HAL_OSPI_FLASH_ID_1;// 第一片flash s_command.Instruction = WRITE_STATUS_REG2_CMD; //指令0x31 W25Q128指令 s_command.InstructionMode = HAL_OSPI_INSTRUCTION_1_LINE;//指令模式 s_command.InstructionSize = HAL_OSPI_INSTRUCTION_8_BITS;//8bit数据 s_command.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE;//单通道模式 // s_command.Address = 0x000; s_command.AddressMode = HAL_OSPI_ADDRESS_NONE; // 地址模式 // s_command.AddressSize = HAL_OSPI_ADDRESS_24_BITS; s_command.AddressDtrMode = HAL_OSPI_ADDRESS_DTR_DISABLE;//单通道模式 // s_command.AlternateBytes = 0xFFFFFFFF; s_command.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE;//无交替字节 // s_command.AlternateBytesSize = HAL_OSPI_ALTERNATE_BYTES_8_BITS; // s_command.AlternateBytesDtrMode=HAL_OSPI_ALTERNATE_BYTES_DTR_DISABLE; s_command.DataMode = HAL_OSPI_DATA_1_LINE; // 数据模式 s_command.NbData = 1;//1字节数据0-0xFFFFFFFF 0=整个储存器 s_command.DataDtrMode = HAL_OSPI_DATA_DTR_DISABLE; s_command.DummyCycles = 0; // 设置空指令周期数0-31 s_command.SIOOMode = HAL_OSPI_SIOO_INST_EVERY_CMD; // 每次都发送指令 s_command.DQSMode = HAL_OSPI_DQS_DISABLE;//不使用DQS / 配置命令 / if (HAL_OSPI_Command(&hospi1, &s_command, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return OSPI_ERROR; } / 传输数据 / if (HAL_OSPI_Transmit(&hospi1, &value, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return OSPI_ERROR; } / 自动轮询模式等待存储器就绪 / if (W25Qxx_OSPI_AutoPollingMemReady(W25QxJV_SUBSECTOR_ERASE_MAX_TIME) != OSPI_OK) { return OSPI_ERROR; } w25qxx_id=W25Qxx_OSPI_FLASH_ReadDeviceID(); / 配置地址模式为 4 字节 , 非W25Q256直接跳过*/ if ( w25qxx_id!= W25Q256) return OSPI_OK;

if (W25Qxx_OSPI_Addr_Mode_Init() != OSPI_OK) { return OSPI_ERROR; }

return OSPI_OK; }

/**

@brief 检查地址模式不是4字节地址，配置为4字节
@retval OSPI存储器状态 */ uint8_t W25Qxx_OSPI_Addr_Mode_Init(void) { OSPI_RegularCmdTypeDef s_command; uint8_t reg;

/ 初始化读取状态寄存器命令 / s_command.OperationType = HAL_OSPI_OPTYPE_COMMON_CFG; s_command.FlashId = HAL_OSPI_FLASH_ID_1; s_command.InstructionMode = HAL_OSPI_INSTRUCTION_1_LINE; s_command.Instruction = READ_STATUS_REG3_CMD;//WRITE_STATUS_REG3_CMD;//寄存器3 s_command.AddressMode = HAL_OSPI_ADDRESS_NONE; s_command.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE; s_command.DataMode = HAL_OSPI_DATA_1_LINE; s_command.DummyCycles = 0; s_command.NbData = 1; s_command.DataDtrMode = HAL_OSPI_DATA_DTR_DISABLE; s_command.SIOOMode = HAL_OSPI_SIOO_INST_EVERY_CMD; s_command.InstructionSize = HAL_OSPI_INSTRUCTION_8_BITS; s_command.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE; s_command.AddressDtrMode = HAL_OSPI_ADDRESS_DTR_DISABLE; s_command.DQSMode = HAL_OSPI_DQS_DISABLE;

/ 配置命令 / if (HAL_OSPI_Command(&hospi1, &s_command, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return OSPI_ERROR; } / 接收数据 / if (HAL_OSPI_Receive(&hospi1, &reg, HAL_OSPI_TIMEOUT_DEFAULT_VALUE) != HAL_OK) { return OSPI_ERROR; }

/ 检查寄存器的值 / if ((reg & W25Q256FV_FSR_4ByteAddrMode) == 1) // 4字节模式 { return OSPI_OK; } else // 3字节模式 { / 配置进入 4 字节地址模式命令 / s_command.Instruction = Enter_4Byte_Addr_Mode_CMD;// s_command.DataMode = HAL_OSPI_DATA_NONE;

/ 配置并发送命令 / if (HAL_OSPI_Command(&hospi1, &s_command, HAL_OSPI_TIMEOUT_DEFAULT_VALUE)//寄存器3 地址模式 != HAL_OK) { return OSPI_ERROR; }

/ 自动轮询模式等待存储器就绪 / if (W25Qxx_OSPI_AutoPollingMemReady( W25QxJV_SUBSECTOR_ERASE_MAX_TIME) != OSPI_OK) { return OSPI_ERROR; }

return OSPI_OK; } } /*** @brief 从OSPI存储器中读取大量数据.
@param pData: 指向要读取的数据的指针
@param ReadAddr: 读取起始地址
@param Size: 要读取的数据大小
@retval OSPI存储器状态 / uint8_t W25Qxx_OSPI_Read(uint8_t pData, uint32_t ReadAddr, uint32_t Size) { OSPI_RegularCmdTypeDef s_command;

if(Size == 0) return OSPI_OK;

/ 初始化读命令 / s_command.OperationType = HAL_OSPI_OPTYPE_COMMON_CFG; s_command.FlashId = HAL_OSPI_FLASH_ID_1; s_command.InstructionMode = HAL_OSPI_INSTRUCTION_1_LINE;//指令1线 s_command.Instruction = QUAD_INOUT_FAST_READ_CMD;//快速读命令 s_command.AddressMode = HAL_OSPI_ADDRESS_4_LINES;//地址4线

if W25Qxx_ID==W25Q256

s_command.AddressSize = HAL_OSPI_ADDRESS_32_BITS;

else

s_command.AddressSize = HAL_OSPI_ADDRESS_24_BITS;//24位地址

endif

s_command.Address = ReadAddr; s_command.AlternateBytesMode = HAL_OSPI_ALTERNATE_BYTES_NONE; s_command.DataMode = HAL_OSPI_DATA_4_LINES;//数据4线 s_command.DummyCycles = 6; s_command.NbData = Size; s_command.DataDtrMode = HAL_OSPI_DATA_DTR_DISABLE; s_command.SIOOMode = HAL_OSPI_SIOO_INST_EVERY_CMD; s_command.InstructionSize = HAL_OSPI_INSTRUCTION_8_BITS; s_command.InstructionDtrMode = HAL_OSPI_INSTRUCTION_DTR_DISABLE; s_command.AddressDtrMode = HAL_OSPI_ADDRESS_DTR_DISABLE; s_command.DQSMode = HAL_OSPI_DQS_DISABLE;

/ 配置命令 / if (HAL_OSPI_Command(&hospi1, &s_command, HAL_OSPI_TIMEOUT_DEFAULT_VALUE)//发送快速读命令 != HAL_OK) { // Error_Handler(); return OSPI_ERROR; }

/ 接收数据 / //if (HAL_OSPI_Receive(&hospi1, pData, HAL_OSPI_TIMEOUT_DEFAULT_VALUE)!= HAL_OK) //{ // Error_Handler(); //return OSPI_ERROR;

//}// / MDMA方式读取 / if (HAL_OSPI_Receive_DMA(&hospi1, pData) != HAL_OK) { //OCTOSPI1->DR=0x52005050 //MDMABASE=0x52000000 Error_Handler(); // return OSPI_ERROR; }

return OSPI_OK; }

//从W25Q128中指定地址读取图片数据进行显示 void TFT_LCD_showimage_QSPI_MDMA(unsigned short Line_start,unsigned short Column_start,unsigned short Column_Size,unsigned short Line_Size,unsigned int Addr_offset) //显示图片 { unsigned char IMAGE_DATA[Column_Size*2]; uint8_t temp; unsigned int ii,jj; unsigned short picH,picL;

TFT_Lcd_SetRegion(Line_start,Column_start,(Line_start+Line_Size-1),(Column_start+Column_Size-1));

TFT_LCD_DC_1 ; //写入数据 SPI1->CR1 &=0xFFFFFFFE;//停止SPI1 SPI1->CFG1 |=0x000F000F;//16位模式 |=0x000F000F SPI1->CR1 |=0x01;//使能SPI1(SPE)

        for(ii=0;ii<Line_Size;ii++)
         {
            // 读取数据时死机 如果不用MDMA模式就正常运行
    W25Qxx_OSPI_Read_MDMA(MDMA_TEMP,(Addr_offset+ii*Column_Size*2),(Column_Size*2));             
        for(jj=0;jj<Column_Size;jj++)
         {
                                //以下直接发送数据速度比较快
        picH=MDMA_TEMP[0+jj*2];   
        picL=MDMA_TEMP[1+jj*2];

SPI1->CR1|=1<<9;//主传输开始 CSCART while((SPI1->SR&1<<1)==0); //等待发送区空 ((__IO uint16_t )&SPI1->TXDR) = (picH<<8|picL); //发送一个HalfWord SPI1->IFCR|=3<<3;//传输结束标志清零 (End Of Transfer flag clear)，向该位写入 1 可将 SPI2S_SR 寄存器的 EOT 标志清零 } }

SPI1->CR1 &=0xFFFFFFFE;//停止spi SPI1->CFG1 &=0xFFE7FFE7;//8位模式&=0xFFE7FFE7 SPI1->CR1 |=0x01;//打开spi }

//以下为主程序

//如果操作异常，减小W25qxx频率 MX_MDMA_Init();//内置MDMA中断 HAL_OSPI_MspInit(&hospi1);//QSPI引脚初始化 MX_OCTOSPI1_Init(2);//W25qxx频率=OSPI频率/（分频+1）280/3=93.333MHz MAX CLOCKS<=133Mhz 内部引用QSPI引脚初始化

W25Qxx_OSPI_Init(2);//W25qxx频率=OSPI频率/（分频+1）280/3=93.333MHz MAX CLOCKS<=133Mhz FlashID = SPI_FLASH_ReadID(); FlashID2 =W25Qxx_OSPI_FLASH_ReadDeviceID();

TFT_LCD_showimage_QSPI_MDMA(0,0,240,320,gImage_240_320_01FLASH_ADD); //显示图片 delay_with_IWDG(20);//100mS*TIMES

以上如果使用以下命令工作正常

/ 接收数据 / if (HAL_OSPI_Receive(&hospi1, pData, HAL_OSPI_TIMEOUT_DEFAULT_VALUE)!= HAL_OK) { // Error_Handler(); return OSPI_ERROR;

}

如果改成以下命令就死机

// / MDMA方式读取 / if (HAL_OSPI_Receive_DMA(&hospi1, pData) != HAL_OK) { Error_Handler(); // return OSPI_ERROR; }

有没有哪位大佬用QSPI+MDMA能正常工作的，请分享一下谢谢！