root/rt-thread @ 2955dbfcdaa887e55ecea68aadc1957fefb53e3e

sc943313837@gmail.com 834355c76b change endpoint and class handler		13 lat temu
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drivers	834355c76b change endpoint and class handler	13 lat temu
rtdevice.h	db58e3350b add serial DMA transmit function(beta)	13 lat temu