defined(UART1_TX_DMA_INSTANCE) #define UART1_DMA_TX_IRQHandler DMA2_Stream7_IRQHandler #define UART1_TX_DMA_RCC RCC_AHB1ENR_DMA2EN #define UART1_TX_DMA_INSTANCE DMA2_Stream7 #define UART1_TX_DMA_CHANNEL DMA_CHANNEL_4 #define UART1_TX_DMA_IRQ DMA2_Stream7_IRQn 之后在 stm32_contro...
Channel7_IRQChannel;和 NVIC_InitStructure.NVIC_IRQChannel = DMA1_Channel7_IRQn;外,没看出啥 ...
从而配置DMA,实现不同的功能。同时,该接口可以输出dma_it[0:7]的中断信号到NVIC(对于M4内核,中断...
DMA1_Stream0->CR |= (0x1 << 0);// enable IRQ NVIC_EnableIRQ(DMA1_Stream0_IRQn);printf(...
/* DMA1_Stream1_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream1_IRQn, 0, 0); HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn); 第五步, 使用DMA发送和接收 接收函数: HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); ...
Stream5_IRQn,8,0);//设置中断优先级,抢占优先级11,子优先级0HAL_NVIC_EnableIRQ(DMA1_Stream5_...
问题是在那个HAL_SD_ErrorCallback函数,每次写卡都会触发这个error错误,但是写卡都能够成功。感觉CubeMX...
Stream5_IRQn,8,0);//设置中断优先级,抢占优先级11,子优先级0HAL_NVIC_EnableIRQ(DMA1_Stream5_...
DMA1_Stream4->CR&=~(1<<4); //关闭传输完成中断(这里不用中断送数据)I2S2ext_RX_DMA_Init...
send 和 receive 为什么用的都是 rx buf?