3. DMA中断标志清除寄存器(DMA_LIFCR和DMA_HIFCR) DMA中断标志清除寄存器, 该寄存器同样有2个:DMA_LIFCR和DMA_HIFCR,同样是每个寄存器控制4个数据流,DMA_LIFCR寄存器用于管理数据流0~3,而DMA_ HIFCR用于管理数据流4~7。这两个寄存器各位描述都完全一模一样,只是管理的数据流不一样。 这里,我们仅以DMA_LIF...
很奇怪，正常时没有问题。不正常时这里形成死循环，无法跳出！(原文件名:DMA_IFCR_CTCIF4无法清该位...
ifcr = DMA1->IFCR; isr = DMA1->ISR; sr = TIM1->SR; dier = TIM1->DIER; egr = TIM1->EGR; I wasn't sure where to set the breakpoint, so I generated a few rising edges on EFR then stopped in the while loop where these were assigned. All are 0 except SR whi...
DMA2->IFCR |= 1<<9 ; //清除完成传输中断 DMA2->IFCR |= 1<<10 ; //清除完成传输中断 D...
1、使用SSH登录开发板 一般使用友善之臂提供的系统,默认的ip地址都是192.168.1.230,如果不确定系统的ip地址,可以在开发板进入系统后,终端输入ifconfig查看开发板的ip,然后打开putty,将选项选择SSH,输入ip地址,如图所示: 点击open,出现下面的窗口,这时...
if (bPinGenericMemory) { #if CUDART_VERSION >= 4000 Run simpleZeroCopy: root@server-wzj:~/zhanged/cuda-samples/Samples/0_Introduction/simpleZeroCopy# ./a.out Device 0: < Turing >, Compute SM 7.5 detected > Using CUDA Host Allocated (cudaHostAlloc) ...
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Hello , In my project I send data to DAC through SPI. Also in the project i am using USB. Max samplrate of DAC is 1MHz, so if i use interrupt to
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dma_alignment variable which ensures both the beginning and length of a DMA transfer are aligned on the dma_alignment boundary. Although the block layer does adjust the beginning of the transfer to ensure this happens, it doesn't actually adjust the length, it merely makes sure ...