dma_multi_data_parameter_struct dma0; dma_deinit(DMA0, DMA_CH0); dma_multi_data_para_struct_init(&dma0); dma0.request = DMA_REQUEST_TIMER0_UP; dma0.periph_addr = (uint32_t) (&GPIO_ISTAT(GPIOB)); dma0.periph_width = DMA_PERIPH_WIDTH_32BIT; dma0.periph_inc = DMA_...
* 配置DMA Stream的另一个缓冲地址 */ ((DMA_Stream_TypeDef *)hdma->Instance)->M1AR = SecondMemAddress; /* 配置源地址,目的地址和数据长度 */ DMA_MultiBufferSetConfig(hdma, SrcAddress, DstAddress, DataLength); /* 计算寄存器IFCR地址,因为DMA1和DMA2的这寄存器地址不同,所以要获取下 */ ifc...
This parameter can be a value of @ref DMA_data_transfer_direction */ uint32_t DMA_BufferSize; /*!< Specifies the buffer size, in data unit, of the specified Channel. The data unit is equal to the configuration set in DMA_PeripheralDataSize or DMA_MemoryDataSize members depending in the ...
/* Check the Data format: When a 16-bit data frame or a 16-bit data frame extended is selected during the I2S configuration phase, the Size parameter means the number of 16-bit data length in the transaction and when a 24-bit data frame or a 32-bit data frame is selected the Size ...
(DMA_Stream_TypeDef *)hdma->Instance)->M1AR = SecondMemAddress; /* 配置源地址,目的地址和数据长度 */ DMA_MultiBufferSetConfig(hdma, SrcAddress, DstAddress, DataLength); /* 计算寄存器IFCR地址,因为DMA1和DMA2的这寄存器地址不同,所以要获取下 */ ifcRegister_Base = (uint32_t *)((uint32_...
12. allocate_chnls()：这个主要是通过pci_alloc_consistent申请dma的读/写multi-page内存，并形成sglis...
(DMA_Stream_TypeDef *)hdma->Instance)->M1AR = SecondMemAddress; /* 配置源地址,目的地址和数据长度 */ DMA_MultiBufferSetConfig(hdma, SrcAddress, DstAddress, DataLength); /* 计算寄存器IFCR地址,因为DMA1和DMA2的这寄存器地址不同,所以要获取下 */ ifcRegister_Base = (uint32_t *)((uint32_...
typedef struct { __IO uint32_t CR; /*!< DMA stream x configuration register */ __IO uint32_t NDTR; /*!< DMA stream x number of data register */ __IO uint32_t PAR; /*!< DMA stream x peripheral address register */ __IO uint32_t M0AR; /*!< DMA stream x memory 0 addres...
EMMC_WORK_MODE 设定3种工作模式: 1: EMMC_DMA_MODE 2: EMMC_POLLING_MODE with mcu 3: EMMC_POLLING_MODE with user /* */ /* Low level disk I/O module SKELETON for
typedefstruct{ __IO uint32_t CR;/*!< DMA stream x configuration register*/__IO uint32_t NDTR;/*!< DMA stream x number of data register*/__IO uint32_t PAR;/*!< DMA stream x peripheral address register*/__IO uint32_t M0AR;/*!< DMA stream x memory 0 address register*/__IO...