FOR-A MFR-3000 - Page 80

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 Response Message Evaluation Example:
Response message received
New line?
[CR] or [LF]
Yes No
Prompt?
Is the 1st character of a line Prompt?
Yes No
- Prompts are not added to line buffers.
Add to the line buffer
Processing S Response
Does the line buffer begin with S:?
- Other characters are recognized and used as tally.
- Characters are cleared, if unnecessary.
Processing C Response
Does the line buffer begin with C:?
- Other characters are received as a processed
command.
- Characters are cleared, if unnecessary.
Verifying Echo Reply
Add the rest of characters to the echo buffer,
excluding S and C responses Newline and Prompt.
(The echo buffer is cleared when sending a new
command.)
- Checks that they are identical to the sent command.
- Characters are cleared, if unnecessary.
Clears the line buffer
Waiting the next message.