sheltonyu a64750ebed
[bsp/at32] 1.407/437 uart2 pins change to pd5/pd6. 2.uart and spi drivers suppor… (#6695)
* 1.407/437 uart2 pins change to pd5/pd6. 2.uart and spi drivers support dma

* [bsp/at32] remove #ifndef
2022-12-06 22:13:25 -05:00
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2022-10-16 17:56:50 -04:00
2022-07-23 11:53:42 +08:00