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AM6442: am6442···SPI使用DMA模式,4个SPI通道设置成DMA模式运行时报错,

Part Number: AM6442

我使用的是官方的mcu_plus_sdk_am64x_08_03_00_18\examples\drivers\mcspi\mcspi_loopback_dma例程,除了将SPI添加到4个其他没有任何改动。为什么我将4个SPI都设置成DMA模式运行时会报错,我看了应该每个SPI都有相对应的DMA通道的,理论上不会冲突