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Author: VCC
Last Updated: 2023-10-10
Package Version: 1.0.0.3
Category: Other Codes
Downloaded: 32 times
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License: MIT license
This is a remake of "PIC32 Memory Statistics". In addition to displaying the memory allocation and comparing multiple hex files, this tool provides a simulated memory, which accepts Erase/Write commands, coming from a physical MCU. It is used to avoid overwriting the physical memory and instead, display what would happen to it.
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| DOWNLOAD LINK | RELATED COMPILER | CONTAINS |
|---|---|---|
| 1696913784_memory_statistic_mikropascal_pic32.zip [7.74MB] | mikroPascal PRO for PIC32 |
|
This is a remake of "PIC32 Memory Statistics". https://libstock.mikroe.com/projects/view/777/pic32-memory-statistics
It provides a simulated memory, which accepts Erase/Write commands, coming from a physical MCU, through UART. This is useful on debugging bootloaders which erase/overwrite themselves. Instead of overwriting the bootloader code, the MCU application can use the provided flash library (MCUFlashLib.mpas), which sends the Erase/Write commands to the Memory Statistics tool (on PC), via UART. The effects of Erase/Write commands are displayed on the compare window. Thus the physical memory is not overwritten, leaving the bootloader intact.
Features:
- If the Defs folder is not found, a local fallback file is used (Defs.ini).
- User configurable memory sections (users can add EBIROM and SQIROM).
- Partial support for memory ranges (e.g. PIC32MZ and PIC32MK have three BootROM ranges).
- Colors are highly configurable (chart, tables, compare, compare minimap).
- "Simulated Memory" support (with hardware connection via COM port).
Limitations:
- Can't compute free words (as in PIC32 Memory Statistics).
- The simulated memory does not reproduce the physical flash memory limitations of writing "0"s only.
What is new/different, compared to PIC32 Memory Statistics:
- User configurable memory sections (they are not hardcoded anymore).
- Compare window has only one table. This is optimized for speed and memory usage.
- Less dependent on PIC32 features (like KSEG0,1,2,3 hardcoded sections).
- A local fallback file is used when a definition file is not found.
- Limiations in displaying statistics (see Statistics tab), as this requires more metadata about KSEG partitioning.
- A "Simulated Memory" allows displaying what would happen to a physical memory on a PIC32 when Erase/Write "commands" are applied to it.
- Many bug fixes.
Known issues:
- for a full list of known issues, see source code (main .pas) on GitHub (link at the end of the blog)
Misc:
- For Linux, the application requires libgtk2.0-0 package (libgtk2.0-0:i386 for 32-bit)
- seting permissions to COM ports:
sudo usermod -a -G dialout $USER
then re-login
In addition to PIC32 Memory Statistics, the chart provides a local zoom window.
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The Simulated Memory window can be displayed from the compare window.
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Erase/Write commands, received from MCU, are kept in a list of commands. Some or all of them can be sent to the simulated memory (which is a slot on compare window). These commands are applied to the loaded hex file, which is compared against an initial v
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Every memory section can have its own colors, both in chart and in tables.
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Comparing BootStartProgVector between bootloader and simulated read-back content. Selecting commands in SimMem window, selects entries in compare window.
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Comparing BootFlashResetVector between bootloader and simulated read-back content. Selecting commands in SimMem window, selects entries in compare window.
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Comparing BootVT between bootloader and simulated read-back content. Selecting commands in SimMem window, selects entries in compare window.
View full imageSource code: https://github.com/VCC02/MemStatistics
