dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE; dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_8BIT; dma_init_struct.priority = DMA_PRIORITY_ULTRA_HIGH; dma_init(uDMAx, uDMA_RXCHx, &dma_init_struct); /* configure DMA mode */ dma_circulation_disable(uDMAx, uDMA_RXCHx);...
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE; dma_init_struct.priority = DMA_PRIORITY_MEDIUM; dma_single_data_mode_init(DMA0, DMA_CH1, &dma_init_struct); /* configure DMA mode */ // dma_circulation_disable(DMA0, DMA_CH1); dma_circulation_enable(DMA0, DMA_CH1); //循环...
dma_circulation_disable(DMA0, DMA_CH6); //循环模式禁用 dma_channel_subperipheral_select(DMA0...
dma_init_struct.priority = DMA_PRIORITY_HIGH;//优先级高dma_init(DMA0, DMA_CH3 , &dma_init_struct);/* configure DMA mode */dma_circulation_disable(DMA0, DMA_CH3);//循环模式禁用dma_memory_to_memory_disable(DMA0, DMA_CH3);//通道3 USART0_TX 使能DMA发送 开启DMA0_3通道,这个通道位串口...
dma_circulation_disable(USART0_TX_DMA_CH); //CTL.CMEN=0禁用循环模式 dma_priority_config(USA...
dma_circulation_disable(DMA0,DMA_CH4); /* DMA存储器到存储器模式模式配置,不使用存储器到存储器模式*/ dma_memory_to_memory_disable(DMA0,DMA_CH4); /* 初始化 DMA0 通道3 */ dma_deinit(DMA0,DMA_CH3); dma_init_struct.direction=DMA_MEMORY_TO_PERIPHERAL;/* 存储器到外设方向 */ ...
dma_circulation_disable(DMA_CH2); dma_memory_to_memory_disable(DMA_CH2); /* USART DMA enable for reception */ usart_dma_receive_config(USART0, USART_DENR_ENABLE); /* enable DMA channel2 */ dma_channel_enable(DMA_CH2); /* USART DMA enable for transmission */ ...
dma_circulation_disable(DMA0,DMA_CH3); 修改为。 dma_circulation_enable(DMA0,DMA_CH3); 结果如下。 定义接收数组 /* DMA接收缓冲区 */uint8_t dma_buffer[10];/* 待处理数据个数:大于1为有数据待处理,0为没有数据待处理*/uint32_t USART_RX_NUM=0; ...
dma_init_struct.periph_inc = DMA_PERIPH_INCREASE_DISABLE; dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_8BIT; dma_init_struct.priority = DMA_PRIORITY_ULTRA_HIGH; dma_init(DMA1, DMA_CH4, &dma_init_struct); /* configure DMA mode */ dma_circulation_disable(DMA1, DMA_CH4); /* ...
DMA_PERIPH_INCREASE_DISABLE;//外设地址增量禁用 dma_init_struct.periph_width = DMA_PERIPHERAL_WIDTH_8BIT; dma_init_struct.priority = DMA_PRIORITY_HIGH; //优先级高 dma_init(DMA0, DMA_CH3 , &dma_init_struct); /* configure DMA mode */ dma_circulation_disable(DMA0, DMA_CH3);//循环模式...