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GoFiler Legato Script Reference
Legato v 1.4j Application v 5.22b
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Chapter Twelve — Internet Functions (continued)
Overview
The SerialTxWithDelay function transmits a string with delay characters and an optional escaped control characters.
Syntax/Parameters
Syntax
int = SerialTxWithDelay ( handle hSerial, string data, [int delay] );
Parameters
hSerial
A handle to a Serial Port Object.
data
A string of characters to transmit.
delay
An optional int specifying the delay amount, in milliseconds, to wait when a tilde character is encountered. The default value is 100ms.
Return Value
Returns an int as ERROR_NONE or a formatted error code on failure. Use the GetLastError to retrieve a formatted error code.
Remarks
The SerialTxWithDelay is meant principally to communicate with modems. The string can contain specific characters to cause transmission to be briefly paused. The tilde character (~) will cause the transmission to pause for a specified number of milliseconds, the tilde is not transmitted. Multiple tilde characters can be employed or stacked together.
In addition, the hat (^) character can be used to introduce control characters. While this can be performed by simply escaping characters in a string literal with backslashes, this allows strings to be defined within settings that are human readable. For example, “\004” would be represented by “^d” or “^D”.
Related Functions
Platform Support
Go13, Go16, GoFiler Complete, GoFiler Corporate, GoFiler, GoFiler Lite, GoXBRL
Legato IDE, Legato Basic
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