((DMA_Stream_TypeDef *)huart->hdmarx->Instance)->M0AR = (uint32_t)DstAddress; ((DMA_Stream_TypeDef *)huart->hdmarx->Instance)->M1AR (uint32_t)SecondMemAddress; ((DMA_Stream_TypeDef *)huart->hdmarx->Instance)->NDTR = DataLength; SET_BIT(((DMA_Stream_TypeDef *)huart->hdmarx-...
该函数只有一个 DMA_HandleTypeDef 结构体指针类型入口参数,结构体定义为: typedef struct __DMA_HandleTypeDef { DMA_Stream_TypeDef *Instance; DMA_InitTypeDef Init; HAL_LockTypeDef Lock; __IO HAL_DMA_StateTypeDef State; void *Parent; void (* XferCpltCallback)( struct __DMA_HandleTypeDef * hdma)...
——>/* Get the CR register value */ registerValue = ((DMA_Stream_TypeDef *)hdma->Instance)->CR; /* Clear CHSEL, MBURST, PBURST, PL, MSIZE, PSIZE, MINC, PINC, CIRC, DIR, CT and DBM bits */ registerValue &= ((uint32_t)~(DMA_SxCR_MBURST | DMA_SxCR_PBURST | \ DMA_...
#define DMA2_Stream1 ((DMA_Stream_TypeDef *) DMA2_Stream1_BASE) #define DMA2_Stream2 ((DMA_Stream_TypeDef *) DMA2_Stream2_BASE) #define DMA2_Stream3 ((DMA_Stream_TypeDef *) DMA2_Stream3_BASE) #define DMA2_Stream4 ((DMA_Stream_TypeDef *) DMA2_Stream4_BASE) #define DMA2_Stream...
< DMA stream x peripheral address register*/__IO uint32_t M0AR;/*!< DMA stream x memory 0 address register*/__IO uint32_t M1AR;/*!< DMA stream x memory 1 address register*/__IO uint32_t FCR;/*!< DMA stream x FIFO control register*/} DMA_Stream_TypeDef;...
void Usart1_RX_task(void *pvParameters);#define Usart1_TX_TASK_PRIO 4 /* 任务优先级 *...
temp = ((DMA_Stream_TypeDef *)huart1.hdmarx->Instance)->NDTR; UsartType.RX_Size = RX_LEN - temp; HAL_UART_Receive_DMA(&huart1,UsartType.RX_pData,RX_LEN); UsartType.RX_flag=1; } } 这里解释下为什么需要指定将UsartType放在axi sram中 ...
_DMA_HandleTypeDef { DMA_Stream_TypeDef *Instance;DMA_InitTypeDef Init;HAL_LockTypeDef Lock;__IO HAL_DMA_StateTypeDef State;void *Parent;void (* XferCpltCallback)(struct __DMA_HandleTypeDef * hdma);void (* XferHalfCpltCallback)(void (* XferM1CpltCallback)(void (* XferErrorCallback)(...
huart->Instance->CR3 &= ~USART_CR3_DMAT;/* Abort the UART DMA rx Stream */ if(huart->hd...
g_dmaTxHandle.Instance = DMA1_Stream1;g_dmaTxHandle.Init.Request = DMA_REQUEST_SPI1_TX; ...