20MHz 115200波特率
set *0x5001000c=0x83
set *0x50010000=0xb
set *0x5001000c=0x3
set *0x50010000='a'
20MHz 115200波特率
set *0x5001000c=0x83
set *0x50010000=0xb
set *0x5001000c=0x3
set *0x50010000='a'
kubectl config get-contexts kubectl config use-context <context-name> kubectl config current-context