只是设置了管脚模式,再申请了dma通道号?他的dma通道号可以随便申请吗? 向上0True向下 还有想把gpio1的16-23作为dma的源数据,可以做到吗? 您好,我最近的项目也是用这个管脚XDMA_EVENT_INTR1作为dma的事件触发限号,请问您做出来了吗,能不能留个QQ交流下,给点指导,谢谢了 向上0True...
Reference Manual says EMR0 register bit indicates "event missing" for the particular channel. So it seems the kernel it self can't handle the speed of "xdma_event" interrupts. Am I correct? Thanks, Best Regards, Vishwa Up 0 True Down Yordan Kovachev 10 年多前 in reply to Vishwa Sh...
3. I found Control Module for PIN MUX in AM335x Tech ref manual. and about ( conf_xdma_event_intr0, conf_xdma_event_intr1) Register Where is conf_xdma_event_intr2?? same problem as yours... can't find xdma_event_intr2 on AM335x. can't generate the external pin DMA event, bu...