DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable; 上面的这句是设置DMA的外设递增模式,如果DMA选用的通道(CHx)有多个外设连接,需要使用外设递增模式:DMA_PeripheralInc_Enable;我的例子里DMA只与ADC1建立了联系,所以选用DMA_PeripheralInc_Disable DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enab...
Configure SCT_DMA as a DMA channel request. Configure the SCT DMA request through the DMA Request 0 register. I recommend using the Peripheral Tool within the MCUXpresso IDE to configure these settings. This tool can automatically generate the necessary code for you. If you prefer to wr...
Solved: With DS3.5 and RTD 4.0.0.202311, micro S32K344 I tried to configure LPSPI to use DMA. DMA_IP won't let select DMAMUX source. In the attached
axidma: axidma_dma.h: axidma_request_channels: 621: Unable to get slave channel 0: tx_channel. axidma: probe of axidma_chrdev@0 failed with error -38 And my device tree of dma part is: axidma_chrdev: axidma_chrdev@0 { compatible = "xlnx,axidma-chrdev"; dmas = <&axi_dma_0...
This series adds DMA support to TI cc23x0 SoC. Only the 3 top-level commits are part of this series. The previous commits are here because this series depends on the "upstream-cc23x0-base-support" ...
Machine-readable media, methods, and apparatus are described for performing direct memory access (DMA) transfers. In some embodiments, a device may generate an interrupt to request a DMA transfer. A DMA controller may claim the interrupt and may prevent a processor from receiving and/or servicing...
a DMA controller generating a first bus request signal and controlling a DMA transfer between said memory and said peripheral control unit; a common bus coupled to said host processor, said memory, said peripheral control unit, and said DMA controller is common; ...
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The arbitration device determines which requestor will be granted access and, under control of the central control microprocessor, the arbitrator gates an interrupt grant or a DMA grant signal to the device selected by the arbitration mechanism. The dual usage of the grant and request lines by ...
Solved: I didn't find description about Flexio DMA (async) request 0/1/2/3 How should I choose them for FlexIO DMA transaction ? what is