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Example code to exercise a Crystalfontz 533 display from a 8051 using Keil C51.
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posted 14 years ago by jimfred
From Keil C51 examples, TEST.C: ISD51 Demo for TI MSC 1210.
Polled (non-interrupt) mode.
Work-around for dropped-characters related to stop-bit problem: Clear SCON1.5 (or SM2_1).
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posted 14 years ago by jimfred
This approach allows an application to be embedded in a DLL. This is handy for diagnostic/maintenance utilities that are used with the DLL.
Steps to create:
* Create a MFC DLL project
* Add a dialog
* Add an entry point function such as void CA...
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posted 15 years ago by jimfred
Displaying values as hex in a PropertyGrid by using a TypeConverter class. The TypeConverter class is assigned as a property to the PropertyGrid's data element.
Consider improving by making the UInt32HexTypeConverter a generic/template as in HexTy...
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posted 15 years ago by jimfred
I occasionally need a WinExec function the synchronously executes a command. cwdArg may be null.
This example, upon error, pops-up a dialog and exits the app. This is useful for small installation utilities.
non-dot.net, with or without MFC.
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posted 15 years ago by jimfred
Determine directory where the .exe is running from. Usually it's CWD - but not always, such as MsiExec Custom Actions.
Windows. non-dot.net, with or without MFC.
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posted 15 years ago by jimfred
Simple non-dot.net function to determine if a file exists. Uses the WinBase API. Can be used with or without mfc.
Windows, non-dot.net, with or without MFC.
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posted 15 years ago by jimfred
This OnSize function resizes one large control in a dialog.
The one control grows horizontally and vertically to fill the dialog. It's position remains unchanged.
Other controls (buttons etc) would typically be above the one resizable control.
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posted 15 years ago by jimfred
This example demonstrates interpolation using Excel's =TREND function by converting 70 degrees F to 21 Celcius.
=TREND({0,100},{32,212},70)
The {..} arrays can of course be replaced with a cell range specifier.
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posted 15 years ago by jimfred
Sometimes I want a complete path to a file in the current working directory to make error messages clearer. The URL has alternate approaches.
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posted 15 years ago by jimfred
This uses the concatenation operator "##" to insert a comment "//"
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posted 16 years ago by jimfred
This function provides C# with functionality similar to the apparently deprecated my.Computer.FileSystem.FindInFiles under the Microsoft.VisualBasic namespace.
Example usage:
IEnumerable<string> oemFiles = FindInFiles(...
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posted 16 years ago by jimfred
wiki files accumulate google-navclient-hilite junk created by the search highlighter in the google toolbar. Search the internet for "SPAN id google-navclient-hilite" and expect to see wiki entries with markup junk generated by the google toolbar....
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posted 16 years ago by jimfred
Article explains why STRINGIFY and TOSTRING are both needed.
This technique is useful for embedded apps to print debug strings to a debug console. ASSERT or TRACE statements can incorporate these macros. The line numbers are converted to strings a...
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posted 16 years ago by jimfred
C++
Visual Studio debug tools to detect and debug memory leaks by setting a breakpoint on a particular memory allocation.
The Visual Studio output window will display "Detected memory leaks!" with a memory allocation number, for example, {145}. See Memory Leak Detection Enabling.
Using the debugger (without changing code) see: http://msdn.microsoft.com/en-us/library/...
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posted 16 years ago by jimfred