Pixhawk FMUv2 / Cube FMU v3 Serial MappingΒΆ
Many different names are given to the serial hardware on Pixhawk and Cube where ArduPilot is concerned. This document attempts to supply a mapping between them.
| DataSheet | NuttX Userland | PX4_HAL | ParamPrefix | HW Label | Cube Full CB | Def Role | SERIAL_CONTROL* | Notes |
|---|---|---|---|---|---|---|---|---|
| /dev/ttyACM0 | UARTA | SERIAL0_ | Console | Console | Micro-USB Plug | |||
| UART4 | /dev/ttyS3 | UARTB | SERIAL3_ | GPS | GPS1 | GPS | 2 | |
| USART2 | /dev/ttyS1 | UARTC | SERIAL1_ | TELEM1 | TELEM1 | MAVLink | 0 | bl serial |
| USART3 | /dev/ttyS2 | UARTD | SERIAL2_ | TELEM2 | TELEM2 | MAVLink | 1 | |
| UART8 | /dev/ttyS6 | UARTE | SERIAL4_ | SERIAL4 | GPS2 | GPS | 3 | |
| UART7 | /dev/ttyS5 | SERIAL5 | CONS | NSH Console | 10 | |||
| USART1 | /dev/ttyS0 | PX4IO Debug | ||||||
| USART6 | /dev/ttyS4 | PX4IO Serial |