Banana Pi BPI-M2+ - BPI-M2+ UART Port

BPI-M2+UART
UARTschematicdiagram:
BPI-M2+support4UARTport
UART0debugportUART1connectBTmoduleUART2extendserialportUART3traditionalserialport
useminicomtotestUART:
sudoapt-getinstallminicom
sudominicom-s
test/dev/ttyS0、/dev/ttyS2、/dev/ttyS3loopbacksuccess
BPI-M2+UARTport
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