S32k96 controller and interrupt is DMA channel 0. in my code when interrupt is trigger ISR function calling at 200us but i want to change at 100us but exactly where need to change i am not getting. 0件の賞賛 返信 08-16-202403:55 AM ...
请问一下我在AM335X 设置以太网dual mac 模式,并且使能了两个通道的DMA接收中断(channle0 和1),但是2个端口的数据都触发channel0通道的接收中断而不是port1对应channel0 ,port2对应channel1中断呢?
aThis function resets the table for assigning DMA channels 1 to 4, the 这个作用重新设置桌为分配直接存储器存取通道1到4,[translate] a* channel 0 is left unchanged. The address of the DMA descriptors is set * 渠道0留给未改变。 设置DMA形容标志的地址[translate]...
aDMA1CH23_EV[translate] aTIM4_EV[translate] aBit 7 DMA1CH23_EV: DMA1 channel 2 and 3 interrupt event[translate] a0: No wakeup event generated on DMA1 channel 2 and 3[translate] aThis bit is written by software to select the DMA1 channel 0 and 1 interrupt sources used to wake up...
a1: DMA1 channel 2 and 3 interrupts configured to generate wakeup events[translate] a0: No wakeup event generated on DMA1 channel 0 and 1[translate]
@@ -37,6 +37,11 @@ impl DmaChannel for AnyGdmaChannel { type Rx = AnyGdmaRxChannel; type Tx = AnyGdmaTxChannel;fn set_priority(&self, priority: DmaPriority) { AnyGdmaRxChannel(self.0).set_priority(priority); AnyGdmaTxChannel(self.0).set_priority(priority); ...
A channel-less system and method are provided for multithreaded communications with a direct memory access (DMA) controller. The method accepts a plurality of DMA command messages directed to a fixed port address. The DMA command messages are arranged in a first-in first-out (FIFO) queue, in...
多个dma控制器 1 2 request_channel 1 2 3 4 5 6方向 一次 传输状态flag标识 发布于 2021-10-12 07:34 喜欢 分享收藏 举报 写下你的评论... 暂无评论登录知乎,您可以享受以下权益: 更懂你的优质内容 更专业的大咖答主 更深度的互动交流 更高效的创作环境立即登录/注册 ...
dma-channel@40400030 { compatible = "xlnx,axi-dma-s2mm-channel"; dma-channels = <0x1>; interrupts = <0 29 4>; xlnx,datawidth = <0x40>; xlnx,device-id = <0x0>; }; }; axidma_chrdev: axidma_chrdev@0 { compatible = "xlnx,axidma-chrdev"; ...
Intel® Celeron® Processor G1840 芯片的DMA控制器在 CentOS 7 64位系统下,使用 linux 4.9.37内核自带测试程序 dmatest 测试失败,测试命令:modprobe dmatest channel=dma0chan0 timeout=2000 iterations=1 run=1,测试结果报错:dmaengine: __dma_request_channel: fail...