Logmessage

LogMessage (UORB message)

A logging message, output with PX4_WARN, PX4_ERR, PX4_INFO

source file

```c

A logging message, output with PX4_WARN, PX4_ERR, PX4_INFO

uint64 timestamp # time since system start (microseconds)

uint8 severity # log level (same as in the linux kernel, starting with 0) char[127] text

uint8 ORB_QUEUE_LENGTH = 4

```