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                                            DuoYuWang

[HELP] SD Card imxrt_dmapreflight: dcache unaligned buffer:0x202458b8 end:0x20245ab7

I am using the STM32H743 SDMMC1 interface and encountered the same problem as you. I am now using CONFIG_MM_REGIONS=1 to avoid using SRAM1234. I can use IDMA normally, but I...

mavlink MANUAL_CONTROL review

> ![2020-10-03 11-00-31 截图](https://user-images.githubusercontent.com/84712/94994745-b2889d00-0567-11eb-9c21-947fefc9e333.png) > > * Z 范围（油门） > > * 摇杆油门范围 [-1, 1] -> [0, 1] （多旋翼飞行器，固定翼） > * 处理这个固件方面似乎会更清晰，并且让我们在车型之间有更大的灵活性 > * `buttons`位域 > > * 目前不使用，除非模拟 RC...