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#Iar 8051 debugger code
With the version control system integrated into the IDE, developers can share files in a project and keep track of source code versions. The new source browser facilitates project navigation via features such as Go to Declaration and Find All References. The new user-friendly editor offers functionality such as auto completion, parameter hint, code folding, block select, block indent, bracket matching, zooming and word/paragraph navigation. Version 8.20 adds a new editor and source browser, Subversion integration and enhanced debugger drivers.īy including a new text editor and source browser, IAR Systems simplifies code writing and project management for 8051 developers. Uppsala, Sweden-November 8, 2012-IAR Systems® has announced a new version of its compiler and debugger development tool suite IAR Embedded Workbench® for 8051. Version 8.20 of IAR Embedded Workbench for 8051 adds new text editor and source browser for simplified code writing and project management With this approach you can see exactly who was doing what when the stack overflowed.Īgain, this is an ARM-tailored approach that I don't know if this can work in your system.IAR Systems improves 8051 development with new user-friendly features With this approach you can also dump your entire RAM and spot where and if 0xCDCD pattern is left.Īnother approach involves the DWT OR the MPU in our uC to watch for bus access crossing boundaries and trigger an exception.
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Now, in debug session we enable the graphic representation of the stack selecting View-> Stack. In the IDE options we select "enable graphical stack" etc etc. MOVS R0, #0xCDCDCDCD advanced we mark Enable stack usage analysis. In the startup file we just edit the initialization of the RAM with a pattern that is used by IAR to measure stack usage: LDR R1, =_RAM_START I don't know if for non-arm edition of IAR this works fine, I can share our approach: icf format reminds me of AppleScript (not in a good way). This is suppose to throw an error if CSTACK is too small (100 is just a fudge factor.) In my case the linker just threw the error "I can't figure out your stack size". Maxstack("Program Entry") + totalstack("interrupt") + 100
#Iar 8051 debugger how to
How to estimate the stack size? The EWB manual suggests adding this to your. Then all malloc calls will fail at runtime, but the cool kids don't use dynamic memory in embedded systems anyway. I think it is ok to set HEAP size to zero. There you'll see something like: define block CSTACK with alignment = 8, size = 0x0400 Īnd you can change as appropriate. Minor changes can be made built-in editor but it is so pathetic that you should just use a text editor. You can change the stack and heap sizes in your linker configuration (.icf) file. The minimal SimpleBLEPeripheral app itself consumes close to 6-7k memory, on top of which there is just enough room to allocate some memory for your app resources. While keeping a keen watch on your XDATA not to exceed ~8k, you may want to adjust the buffers / big arrays defined your code. The size of the XDATA memory must not exceed 7936 bytes, as the CC2540/41 contains 8kB of SRAM (256 bytes are reserved).
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#Iar 8051 debugger plus
The sum of the CODE memory plus CONST memory must not exceed the maximum flash size of the device (either 128KB or 256KB, depending on the version of the CC2540/41).
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This information is useful, in that it tells the total amount of code space (CODE memory) and RAM (XDATA memory) being used by the project. When you have compiled your project you can have a look at the bottom in the ".map" file (Output Folder).įor example, the heart rate example project: 108 019 bytes of CODE memory From this TI's forum, just trying to shed some light over TI's 2540/1 stack size.