Message Debug: Difference between revisions

Latest revision as of 13:15, 18 May 2023

Debug block for the message passing system.

The message debug block is used to capture and print or store messages as they are received. Any block that generates a message may connect that message port to one or more of the three message input ports of this debug block.

Parameters

(R): Run-time adjustable

Added in 3.9

PDU Vectors (R): On or Off - determines if the uniform vector is printed or not.

Version 3.8

None

Version 3.11, 3.10.6++

Log level: Sets the "log" input's log level to trace, debug, info, warning, error or critical

Messages

Inputs

Versions 3.11 (and >3.10.6.1)

log: Logs all messages to the logging system (which by default prints it to your console). Generally, this is preferred over the "print" input.
print: Prints all messages to standard out. If the message is a PDU, it will receive special formatting and the PDU Vectors block parameter will determine if the uniform vector is printed or not.
store: Stores the message in an internal vector. It works in conjunction with a message_debug::get_message(size_t i) call that allows us to retrieve message i afterward.
print_pdu: PDU messages are redirected to the print port. This is included for compatibility and is no longer recommended for use.

Versions 3.9 and 3.10

print: Prints all messages to standard out. If the message is a PDU, it will receive special formatting and the PDU Vectors block parameter will determine if the uniform vector is printed or not.
store: Stores the message in an internal vector. It works in conjunction with a message_debug::get_message(size_t i) call that allows us to retrieve message i afterward.
print_pdu: PDU messages are redirected to the print port. This is included for compatibility and is no longer recommended for use.

Version 3.8

print: Prints the message to standard out.
store: Stores the message in an internal vector. It works in conjunction with a message_debug::get_message(size_t i) call that allows us to retrieve message i afterward.
print_pdu: Specifically designed to handle formatted PDUs (see pdu.h). It discards messages that aren't PDU pairs (or are null).

Example Flowgraph

In this example, a Message Strobe block sends the string "Demo" once per second. It is displayed on the user terminal by the Message Debug block.

Source Files

C++ files: [1]

Header files: [2]

Public header files: [3]

Block definition: [4]

@@ Line 1: / Line 1: @@
-[[Category:Block Docs]]
+__NOTOC__
+<span id="gr_vad"></span>
+<hr>
 Debug block for the message passing system.
 The message debug block is used to capture and print or store messages as they are received. Any block that generates a message may connect that message port to one or more of the three message input ports of this debug block.
-The message ports are:
+== Parameters ==
+<b>(''R''):</b> <span class="plainlinks">[https://wiki.gnuradio.org/index.php/GNURadioCompanion#Variable_Controls ''Run-time adjustable'']</span>
+<div data-vad="3.9,3.10">
+<code>Added in 3.9</code>
+; PDU Vectors (''R'')
+: On or Off - determines if the uniform vector is printed or not.
+</div>
+<div data-vad="3.8">
+<code>Version 3.8</code>
+; None
+</div>
-* print: prints the message directly to standard out.
+<div data-vad="3.11">
-* store: stores the message in an internal vector. May be access using the get_message function.
+<code>Version 3.11, 3.10.6++</code>
-* print_pdu: specifically designed to handle formatted PDUs (see pdu.h).
+; Log level
+: Sets the "log" input's log level to trace, debug, info, warning, error or critical
+</div>
-== Parameters ==
+== Messages ==
+=== Inputs ===
+<div data-vad="3.11">
+==== Versions 3.11 (and >3.10.6.1) ====
+----
+; log
+: Logs all messages to the logging system (which by default prints it to your console). '''Generally, this is preferred over the "print" input.'''
+; print
+: Prints all messages to standard out. If the message is a PDU, it will receive special formatting and the <code>PDU Vectors</code> block parameter will determine if the uniform vector is printed or not.
+; store
+: Stores the message in an internal vector. It works in conjunction with a message_debug::get_message(size_t i) call that allows us to retrieve message i afterward.
+; print_pdu
+: PDU messages are redirected to the <code>print</code> port. This is included for compatibility and is no longer recommended for use.
+</div>
+<div data-vad="3.9,3.10">
+==== Versions 3.9 and 3.10 ====
+----
+; print
+: Prints all messages to standard out. If the message is a PDU, it will receive special formatting and the <code>PDU Vectors</code> block parameter will determine if the uniform vector is printed or not.
+; store
+: Stores the message in an internal vector. It works in conjunction with a message_debug::get_message(size_t i) call that allows us to retrieve message i afterward.
+; print_pdu
+: PDU messages are redirected to the <code>print</code> port. This is included for compatibility and is no longer recommended for use.
+</div>
+<div data-vad="3.8">
-None
+==== Version 3.8 ====
+----
+; print
+: Prints the message to standard out.
+; store
+: Stores the message in an internal vector. It works in conjunction with a message_debug::get_message(size_t i) call that allows us to retrieve message i afterward.
+; print_pdu
+: Specifically designed to handle formatted PDUs (see pdu.h). It discards messages that aren't PDU pairs (or are null).
+</div>
 == Example Flowgraph ==
+In this example, a Message Strobe block sends the string "Demo" once per second. It is displayed on the user terminal by the Message Debug block.
-Insert description of flowgraph here, then show a screenshot of the flowgraph and the output if there is an interesting GUI.  Currently we have no standard method of uploading the actual flowgraph to the wiki or git repo, unfortunately.  The plan is to have an example flowgraph showing how the block might be used, for every block, and the flowgraphs will live in the git repo.
+[[File:PUB_SUB_msg_demo.png]]
 == Source Files ==
 ; C++ files
-: [https://github.com/gnuradio/gnuradio TODO]
+: [https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/lib/message_debug_impl.cc]
 ; Header files
-: [https://github.com/gnuradio/gnuradio TODO]
+: [https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/lib/message_debug_impl.h]
 ; Public header files
-: [https://github.com/gnuradio/gnuradio TODO]
+: [https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/include/gnuradio/blocks/message_debug.h]
 ; Block definition
-: [https://github.com/gnuradio/gnuradio TODO]
+: [https://github.com/gnuradio/gnuradio/blob/master/gr-blocks/grc/blocks_message_debug.block.yml]
+[[Category:Block Docs]]
+[[Category:Version-adaptive docs]]