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. endian</em>, i.e. least significant byte first.
</p> </p>
<p> <p>
The <code>0</code> flag changes the checksum representation from The <code>0</code> flag changes the checksum representation to
binary to hexadecimal ASCII (2 bytes per checksum byte). 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 In output, the case of the ASCII checksum matches the case of first
letter of the function name. letter of the function name.
@ -568,9 +577,14 @@ in architecture specific RELEASE.Common.<em>arch</em> files.
<p> <p>
If the regular expression is not anchored, i.e. does not start with If the regular expression is not anchored, i.e. does not start with
<code>^</code>, leading non-matching input is skipped. <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. A maximum of <em>width</em> bytes is matched, if specified.
If <em>precision</em> is given, it specifies the sub-expression whose match If <em>precision</em> is given, it specifies the sub-expression whose match
is retuned. is returned.
Otherwise the complete match is returned. Otherwise the complete match is returned.
In any case, the complete match is consumed from the input buffer. 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>. If the expression contains a <code>/</code> it must be escaped like <code>\/</code>.