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DM8168的DMA channel Alloc失败

TaiDong AN
Genius 3584 points


请教一下！

DSP报错：UTILS：DSP DMA Channel Alloc ：EDMA3_RM_alloclogical-channel  call FAIL

                    UTILS：Return   Code is ：-158

跟进去看了一下，是调用EDMA3_RM_allocChannel() 函数时失败打印的，有可能是哪些原因导致的呢？