read

int(* nrf_modem_lib_trace_backend::read) (void *buf, size_t len)

Read trace data from the compile-time selected trace backend.

Read out the trace data from the trace backend. After read, the backend can free the space and prepare it for further write operations.

Note

Set to NULL if this operation is not supported by the trace backend.

Parameters

buf	Output buffer
len	Size of output buffer

Returns

0 on success, negative errno on failure.