"Hello. I connect APM 2.5 with ODROID-X. I use UART0 in APM. And I start program mavlink_serial.cpp.
#./mavlink_serial -d /dev/ttySAC3 -b 115200 -v Trying to connect to /dev/ttySAC3.. success. Trying to configure /dev/ttySAC3.. success.
Connected to…"