EPICS_driver_modules/StreamDevice
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update documentation

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zimoch
2017-03-21 15:03:13 +01:00
parent 370b3cd8c4
commit cc1ab5685c
1 changed files with 18 additions and 4 deletions
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documentation/formats.html
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@ -454,8 +454,17 @@ With the <code>#</code> flag, the byte order is changed to <em>little
endian</em>, i.e. least significant byte first.
</p>
<p>
The <code>0</code> flag changes the checksum representation from
binary to hexadecimal ASCII (2 bytes per checksum byte).
The <code>0</code> flag changes the checksum representation to
to hexadecimal ASCII (2 chars per checksum byte).
</p>
<p>
The <code>-</code> flag changes the checksum representation to
"poor man's hex": 0x30 ... 0x3f (2 chars per checksum byte).
</p>
<p>
The <code>+</code> flag changes the checksum representation to
decimal ASCII (formatted with %d).
</p>
<!--
In output, the case of the ASCII checksum matches the case of first
letter of the function name.
@ -568,9 +577,14 @@ in architecture specific RELEASE.Common.<em>arch</em> files.
<p>
If the regular expression is not anchored, i.e. does not start with
<code>^</code>, leading non-matching input is skipped.
To match in multiline mode (across newlines) add <code>(?m)</code>
at the beginning of the pattern.
To match case insensitive, add <code>(?i)</code>.
</p>
<p>
A maximum of <em>width</em> bytes is matched, if specified.
If <em>precision</em> is given, it specifies the sub-expression whose match
is retuned.
is returned.
Otherwise the complete match is returned.
In any case, the complete match is consumed from the input buffer.
If the expression contains a <code>/</code> it must be escaped like <code>\/</code>.