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FOC例程在HPM5361环境中DMA缓冲区长度不对会产生DMA越界 #20

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LX050724 opened this issue Oct 30, 2023 · 0 comments

LX050724 commented Oct 30, 2023 •

edited

如题，在HPM5361环境中DMA缓冲区长度不对会产生DMA越界
5361v03手册54.2.8中的描述是抢占模式的DMA会占用一块192字节的缓冲区，实际分配为160字节
手册中对DMA如何写入内存的方式描述不清楚，是特定触发写入特定区域内存还是192字节全部都会写入
https://github.com/hpmicro/hpm_sdk/blob/b612c6fda97a8d16de16b80bf06fa54f15043496/samples/motor_ctrl/bldc_foc/src/bldc_foc.c#L40C6-L40C6

LX050724 changed the title ~~在HPM5361环境中DMA缓冲区长度不对会产生DMA越界~~ FOC例程在HPM5361环境中DMA缓冲区长度不对会产生DMA越界

LX050724 closed this as completed

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