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AM6442: DMA做memcpy

Part Number: AM6442

Hi TI,

我用DMA做一个类似memcpy的函数,通过修改例程目前无法正常运行。具体如下。

调用mcu_plus_sdk_am64x_08_03_00_18\examples\drivers\udma\udma_memcpy_interrupt\am64x-evm\r5fss0-0_nortos例程

现在我这边只是更改了图中的1和2;我改为1的思路的srcBuf是一个指针,那么让他指向变量gTestData地址,然后把里面的数据传给destBuf就可以,因为在2中是用了1个for循环,如果我只发送一个数据的时候不需要for的;我用图中2是正常能显示destBu = 100,但是用1就如图中3的显示报错。

请问哪里出了问题?

BR

Cayden