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I have a working project using PSOC5LP, EmWin, and a TFT display. When I copy and paste the working project in the same workspace, the newly copied project compiles without errors but the TFT does not work when the program runs.
I use the same "Project/Build Settings, compiler and linker" for both projects pointing to the Emwin graphics library.
As another option, I moved the working folder away from "c:\users\myname\project" to c:\sync\PSOC to ensure the path is shorter.
I also tried the "Archive bundle" and restore it as a new project in the same folder and workspace with the same results.
I have no idea where to find the issue, any assistance will be appreciated.
Update - Running the debugger the code get stuck in the GUI_Init(); function
Code getting stuck here - Increasing the Heap size does not solve the problem.
CY_ISR(IntDefaultHandler)
{
/***************************************************************************
* We must not get here. If we do, a serious problem occurs, so go into
* an infinite loop.
***************************************************************************/
#if defined(__GNUC__)
if (errno == ENOMEM)
{
#ifdef CY_BOOT_INT_DEFAULT_HANDLER_ENOMEM_EXCEPTION_CALLBACK
CyBoot_IntDefaultHandler_Enomem_Exception_Callback();
#endif /* CY_BOOT_INT_DEFAULT_HANDLER_ENOMEM_EXCEPTION_CALLBACK */
while(1)
{
/* Out Of Heap Space
* This can be increased in the System tab of the Design Wide Resources.
*/
}
}
else
#endif
{
#ifdef CY_BOOT_INT_DEFAULT_HANDLER_EXCEPTION_ENTRY_CALLBACK
CyBoot_IntDefaultHandler_Exception_EntryCallback();
#endif /* CY_BOOT_INT_DEFAULT_HANDLER_EXCEPTION_ENTRY_CALLBACK */
while(1)
{
}
}
}
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Hello Anva_2903386,
Can you confirm that your original project is still working? Please share your project so that we can debug and provide you with a solution.
Thanks and Regards,
Rakshith M B
Rakshith M B
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Hi Rakshith
Thank you for your reply, Yes the original project is working, the TFT
operate as intended. Copy_01 is not working, the program compile
without error but the TFT is not working. I use the same hardware for
both projects
https://www.dropbox.com/sh/a1wjb0u0ijdkozk/AAC6DxsDK7c2nQeZ1bi-ULqca?dl=0
Regards
Andre
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Andre,
Check to make sure the pin assignments match between the original and the copy. I've found on many occasions that the pin outs assigned in my original are not always reassigned to the same pins in the copy.
Len
"Engineering is an Art. The Art of Compromise."
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Hello Andre,
Can you remove and add the path to the source directories and additional libraries again for the copy_01 project?
Basically remove the existing configurations you used to integrate emWin and follow the steps mentioned in the section "Integrating the Library into PSoC Creator" of this document again for the copy_01 project.
Let me know if it works.
Regards,
Dheeraj
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Hi Dheeraj
I removed and add the path to the sources, I tried both relative paths
and absolute paths, the results are still the same. The original
program work Copy_01 doesn't work.
I decided to start a new project using the latest version of Emwin and
the same hardware PSOC5LP.
I followed the PSOC Creator document (SEGGER emWin Graphic Library
(emWinGraphics)5.46) to the letter.
I see that the code get stuck in GUI_Init(); routine
When I debug I see I get a hardfault.
The code runs up to 0x00002A02 blx r3
then jumps to
90: CY_ISR(IntDefaultHandler)
Disassembly
0x000029CC
0x000029DE str r0,
0x000029E0 cbnz r0, 29f2
0x000029E6 ldr r3, ; (2a54 <LCD_Init+0x88>)
0x000029E8 ldr r2,
0x000029EA ldr r3, ; (2a58 <LCD_Init+0x8c>)
0x000029EC cmp r2, r3
0x000029EE bne.n 2a0a <LCD_Init+0x3e>
0x000029F0 b.n 2a48 <LCD_Init+0x7c>
0x000029F2 ldr r3,
0x000029F4 movs r1, #c
0x000029F6 ldr r3, ; 0x24
0x000029F8 add r0, sp, #4
0x000029FA blx r3
0x000029FC mov r3, r0
0x000029FE cbz r0, 2a4c <LCD_Init+0x80>
0x00002A00 ldr r0,
0x00002A02 blx r3
0x00002A04 cmp r0, #0
0x00002A06 beq.n 29e2
0x00002A10 str r0,
0x00002A12 cbz r0, 2a48
0x00000466 ldr r3,
0x00000468 cmp r3, #c
0x0000046A bne.n 46e <IntDefaultHandler+0xe>
0x0000046C b.n 46c <IntDefaultHandler+0xc>
0x0000046E b.n 46e <IntDefaultHandler+0xe>
I added the project to the same DropBox folder
https://www.dropbox.com/sh/a1wjb0u0ijdkozk/AAC6DxsDK7c2nQeZ1bi-ULqca?dl=0
Regards
Andre
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Andre,
I've downloaded your projects from the dropbox. I've built both projects. All warnings. No Errors.
You know your project. I don't have the peripherals required. Is it possible for me to run this on a PSoC5 without the peripherals? Would I run into the "CY_ISR(IntDefaultHandler)" very early in execution?
I noticed there were some significant differences in the two projects. One of them has more files at the project root including a "CortexM0p". Was this project originally targeted for a PSoC6?
Len
"Engineering is an Art. The Art of Compromise."
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Hi Len
Thank you for your prompt response. I will build a new project with no
peripherals and minimum code, will send back asap
The project that is working is about Two years old, I had less
experience then and added many files (maybe unnecessary) to get it to
work. What I don't understand, if I copy the project in the same
workspace in PSOC Creator the copy don't work.
Regards
Andre
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Andre,
I'll give the minimized projects a try when you have it available.
One thing to note if you were not aware of it: In debug mode, there is a "Call Stack" window
Once you enter the "CY_ISR(IntDefaultHandler)", you might be able to trace from the Call Stack what was executed before. This is not a guarantee since the IntDefaultHandler may have come from an attempt to call a "real" interrupt. The IntDefaultHandler is also called when program faults occur such as DivideByZero math, some stack overflows and other conditions.
Len
"Engineering is an Art. The Art of Compromise."
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Thanks Len I will check this
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Andre,
I suspect since you are using emWin lib calls, this is a call to a function in that library. The "??????" in the File and Line columns of the "GUI_" stack levels are due to not having File and Line references in the library.
Len
"Engineering is an Art. The Art of Compromise."
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Hello Andre,
Please provide the project with minimum peripherals. I am unable to recreate the issue. Can you try creating the project in another folder which is directly under the drive folder and see if that helps?
Regards,
Dheeraj
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Dheeraj,
When a project copy occurs, does the heap and stack size also get copied.
I sometimes receive a "CY_ISR(IntDefaultHandler)" if my stack is too small for the libraries being run.
Len
"Engineering is an Art. The Art of Compromise."
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Hi Dheeraj
I also changed the heap and stack size from the default values 0x80 and
0x0800 incremental all the way up to 0x800 and 0x8000 with the same results.
Regards
Andre