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External loader fails to download

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nikof
Associate II

‎2022-07-06 07:49 AM

Hi all,

I'm trying to put some TouchGFX data (images, text, ...) in an external flash (S25FL128L) on a custom board with STM32H7B0VB mcu. I'm using the octo-spi peripheral as quad-spi.

So, I followed the guide to make an external loader and I did it. It seems to work properly: if I load the .stdlr file in the STM32CubeProgrammer I can read, write, erase sector and mass erase the external flash.

Also, if I try to debug (STM32CubeIDE) a project using the loader without putting elements into external flash all works well and I can see all the memory locations.

The ploblem occur whe I try to put somenthing inside the external flash. I do that in the linker script with TouchGFX sections: IntFlashSection and TextFlashSection. See the script below:

/* Entry Point */
ENTRY(Reset_Handler)
 
/* Highest address of the user mode stack */
_estack = 0x20020000;    /* end of RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x200 ;      /* required amount of heap  */
_Min_Stack_Size = 0x400 ; /* required amount of stack */
 
/* Specify the memory areas */
MEMORY
{
  FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 2048K
  RAM   (xrw)     : ORIGIN = 0x20000000, LENGTH = 128K
  AXI_SRAM (xrw)  : ORIGIN = 0x24000000, LENGTH = 1024K
  AHB_SRAM (xrw)  : ORIGIN = 0x30000000, LENGTH = 128K
  OCTOSPI (r)	  : ORIGIN = 0x90000000, LENGTH = 16M
}
 
/* Define output sections */
SECTIONS
{
  /* The startup code goes first into FLASH */
  .isr_vector :
  {
    . = ALIGN(4);
    KEEP(*(.isr_vector)) /* Startup code */
    . = ALIGN(4);
  } >FLASH
 
  /* The program code and other data goes into FLASH */
  .text :
  {
    . = ALIGN(4);
    *(.text)           /* .text sections (code) */
    *(.text*)          /* .text* sections (code) */
    *(.glue_7)         /* glue arm to thumb code */
    *(.glue_7t)        /* glue thumb to arm code */
    *(.eh_frame)
 
    KEEP (*(.init))
    KEEP (*(.fini))
 
    . = ALIGN(4);
    _etext = .;        /* define a global symbols at end of code */
  } >FLASH
 
  /* Constant data goes into FLASH */
  .rodata :
  {
    . = ALIGN(4);
    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
    . = ALIGN(4);
  } >FLASH
 
  .ARM.extab   : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
  .ARM : {
    __exidx_start = .;
    *(.ARM.exidx*)
    __exidx_end = .;
  } >FLASH
 
  .preinit_array     :
  {
    PROVIDE_HIDDEN (__preinit_array_start = .);
    KEEP (*(.preinit_array*))
    PROVIDE_HIDDEN (__preinit_array_end = .);
  } >FLASH
  .init_array :
  {
    PROVIDE_HIDDEN (__init_array_start = .);
    KEEP (*(SORT(.init_array.*)))
    KEEP (*(.init_array*))
    PROVIDE_HIDDEN (__init_array_end = .);
  } >FLASH
  .fini_array :
  {
    PROVIDE_HIDDEN (__fini_array_start = .);
    KEEP (*(SORT(.fini_array.*)))
    KEEP (*(.fini_array*))
    PROVIDE_HIDDEN (__fini_array_end = .);
  } >FLASH
 
  /* used by the startup to initialize data */
  _sidata = LOADADDR(.data);
 
  /* Initialized data sections goes into RAM, load LMA copy after code */
  .data :
  {
    . = ALIGN(4);
    _sdata = .;        /* create a global symbol at data start */
    *(.data)           /* .data sections */
    *(.data*)          /* .data* sections */
    *(.RamFunc)        /* .RamFunc sections */
    *(.RamFunc*)       /* .RamFunc* sections */
 
    . = ALIGN(4);
    _edata = .;        /* define a global symbol at data end */
  } >RAM AT> FLASH
 
  /* Uninitialized data section */
  . = ALIGN(4);
  .bss :
  {
    /* This is used by the startup in order to initialize the .bss secion */
    _sbss = .;         /* define a global symbol at bss start */
    __bss_start__ = _sbss;
    *(.bss)
    *(.bss*)
    *(COMMON)
 
    . = ALIGN(4);
    _ebss = .;         /* define a global symbol at bss end */
    __bss_end__ = _ebss;
  } >RAM
 
  /* User_heap_stack section, used to check that there is enough RAM left */
  ._user_heap_stack :
  {
    . = ALIGN(8);
    PROVIDE ( end = . );
    PROVIDE ( _end = . );
    . = . + _Min_Heap_Size;
    . = . + _Min_Stack_Size;
    . = ALIGN(8);
  } >RAM
 
  /* Remove information from the standard libraries */
  /DISCARD/ :
  {
    libc.a ( * )
    libm.a ( * )
    libgcc.a ( * )
  }
 
  .ARM.attributes 0 : { *(.ARM.attributes) }
 
    IntFlashSection :
  	{
  		*(IntFlashSection IntFlashSection.*)
  		*(.gnu.linkonce.r.*)
  		. = ALIGN(0x4);
  	} >OCTOSPI
 
    TextFlashSection :
  	{
  		*(TextFlashSection TextFlashSection.*)
  		*(.gnu.linkonce.r.*)
  		. = ALIGN(0x4);
  	} >OCTOSPI
 
}

The output of the console when I try to Debug or Run with this linker script is:

STMicroelectronics ST-LINK GDB server. Version 6.1.0
Copyright (c) 2022, STMicroelectronics. All rights reserved.
 
Starting server with the following options:
        Persistent Mode            : Disabled
        Logging Level              : 1
        Listen Port Number         : 61234
        Status Refresh Delay       : 15s
        Verbose Mode               : Disabled
        SWD Debug                  : Enabled
        InitWhile                  : Enabled
 
Waiting for debugger connection...
Debugger connected
Waiting for debugger connection...
Debugger connected
Waiting for debugger connection...
      -------------------------------------------------------------------
                       STM32CubeProgrammer v2.10.0                  
      -------------------------------------------------------------------
 
 
 
Log output file:   c:\users\niko~1.fio\appdata\local\temp\stm32cubeprogrammer_a14888.log
ST-LINK SN  : 34FF74065250343847111043
ST-LINK FW  : V2J39S7
Board       : --
Voltage     : 3.23V
SWD freq    : 4000 KHz
Connect mode: Under Reset
Reset mode  : Hardware reset
Device ID   : 0x480
Revision ID : Rev Z
Device name : STM32H7A/B
Flash size  : 128 KBytes
Device type : MCU
Device CPU  : Cortex-M7
BL Version  : 0x90
 
 
 
Memory Programming ...
Opening and parsing file: st-link_gdb_server_a14888.srec
  File          : st-link_gdb_server_a14888.srec
  Size          : 694.94 KB 
  Address       : 0x08000000 
 
 
Erasing memory corresponding to segment 0:
Erasing internal memory sectors [0 32]
Erasing memory corresponding to segment 1:
Erasing external memory sectors [0 108]
Download in Progress:
 
 
Error: failed to download Segment[0]
Error: failed to download the File
Shutting down...
Exit.

I dont't know how to solve this. Any ideas?

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Sara BEN HADJ YAHYA
ST Employee

‎2022-07-12 07:30 AM

Hello,

Please check N. SANTINI comment in this thread.

Sara.

View solution in original post

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Tesla DeLorean
Guru

‎2022-07-06 10:04 AM

>>I don't know how to solve this. Any ideas?

Get more verbose logs, use the Command Line variant of STM32 Cube Programmer.

Make sure it's loading the right External Loader, and from the directory you expect.

You can instrument External Loaders to use any GPIO or UART available on the board to debug and understand what's happening internally.

CubeIDE + GDB Server, whole other levels of opportunity to fail there, but without knowing the loader is bullet-proof, and having a lot more diagnostic output, it's going to be a challenge to get a lot of support.

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Tesla DeLorean
Guru
In response to Tesla DeLorean

‎2022-07-06 11:48 AM

@Osman SOYKURT​ similar to one of the other threads. Might help for the tools to become more verbose and detailed in the failure cases so technical support has something to work with. I might suggest adding detail of registers, or timeout expiration.

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nikof
Associate II

‎2022-07-06 11:44 PM

Hi Tesla, thank you for your response.

I didnt't know that I can have a more detailed log on the STM32CubeProgrammer.

However, this is the complete output. I cut the first part (connection, read hex, etc.) because the post was too long.

  08:32:12:530 : Memory Programming ...
  08:32:12:530 : Opening and parsing file: striker_ui_ext_flash.hex
  08:32:12:544 :   File          : striker_ui_ext_flash.hex
  08:32:12:545 :   Size          : 695.50 KB 
  08:32:12:545 :   Address       : 0x08000000 
  08:32:12:545 : Erasing Segment <0> Address <0x08000000> Size <257796>Bytes
  08:32:12:545 : Erasing memory corresponding to segment 0:
  08:32:12:545 : Memory erase...
  08:32:12:549 : halt ap 0 
  08:32:12:549 : w ap 0 reg 15 PC   (0x24000000)  
  08:32:12:549 : w ap 0 reg 17 MSP  (0x24000500)  
  08:32:12:550 : w ap 0 reg 16 xPSR (0x01000000)  
  08:32:12:553 : w ap 0 @0x24001140 0x00000200 bytes Data 0x00000000
  08:32:12:553 : w ap 0 @0x24000000 0x00000004 bytes Data 0x0000BE00
  08:32:12:574 : w ap 0 @0x24000004 0x00000D10 bytes Data 0x8F4FF3BF
  08:32:12:574 : Erasing internal memory sectors [0 31]
  08:32:12:574 : Init flashloader...
  08:32:12:574 : halt ap 0 
  08:32:12:575 : w ap 0 reg 0 R0   0x00000001
  08:32:12:578 : w ap 0 reg 1 R1   0x00000000
  08:32:12:580 : w ap 0 reg 2 R2   0x00000000
  08:32:12:580 : w ap 0 reg 3 R3   0x00000000
  08:32:12:581 : w ap 0 reg 4 R4   0x00000000
  08:32:12:581 : w ap 0 reg 5 R5   0x00000000
  08:32:12:581 : w ap 0 reg 6 R6   0x00000000
  08:32:12:581 : w ap 0 reg 7 R7   0x00000000
  08:32:12:581 : w ap 0 reg 8 R8   0x00000000
  08:32:12:582 : w ap 0 reg 9 R9   0x00000000
  08:32:12:582 : w ap 0 reg 10 R10  0x00000000
  08:32:12:582 : w ap 0 reg 11 R11  0x00000000
  08:32:12:583 : w ap 0 reg 12 R12  0x00000000
  08:32:12:583 : w ap 0 reg 13 SP   0x00000000
  08:32:12:584 : w ap 0 reg 14 LR   0x24000001
  08:32:12:584 : w ap 0 reg 15 PC   0x2400000B
  08:32:12:585 : w ap 0 reg 16 xPSR 0x01000000
  08:32:12:586 : w ap 0 reg 17 MSP  0x24001110
  08:32:12:586 : w ap 0 reg 18 PSP  0x00000000
  08:32:12:586 : run ap 0 
  08:32:12:587 : halt ap 0 
  08:32:12:588 : r ap 0 reg 0 R0   0x00000001
  08:32:12:589 : Loader sector erase...
  08:32:12:590 : w ap 0 reg 0 R0   0x08000000
  08:32:12:590 : w ap 0 reg 1 R1   0x0803E000
  08:32:12:592 : w ap 0 reg 2 R2   0x00000002
  08:32:12:592 : w ap 0 reg 3 R3   0x00000000
  08:32:12:593 : w ap 0 reg 4 R4   0x00000000
  08:32:12:594 : w ap 0 reg 5 R5   0x00000000
  08:32:12:594 : w ap 0 reg 6 R6   0x00000000
  08:32:12:594 : w ap 0 reg 7 R7   0x00000000
  08:32:12:600 : w ap 0 reg 8 R8   0x00000000
  08:32:12:600 : w ap 0 reg 9 R9   0x00000000
  08:32:12:601 : w ap 0 reg 10 R10  0x00000000
  08:32:12:602 : w ap 0 reg 11 R11  0x00000000
  08:32:12:602 : w ap 0 reg 12 R12  0x00000000
  08:32:12:602 : w ap 0 reg 13 SP   0x00000000
  08:32:12:603 : w ap 0 reg 14 LR   0x24000001
  08:32:12:603 : w ap 0 reg 15 PC   0x2400086B
  08:32:12:603 : w ap 0 reg 16 xPSR 0x01000000
  08:32:12:604 : w ap 0 reg 17 MSP  0x24001110
  08:32:12:605 : w ap 0 reg 18 PSP  0x00000000
  08:32:12:605 : run ap 0 
  08:32:12:666 : halt ap 0 
  08:32:12:674 : r ap 0 reg 0 R0   0x00000001
  08:32:12:675 : erase: 0124ms
  08:32:12:675 : Erasing Segment <1> Address <0x90000000> Size <454396>Bytes
  08:32:12:675 : Erasing memory corresponding to segment 1:
  08:32:12:675 : Memory erase...
  08:32:12:675 : halt ap 0 
  08:32:12:675 : w ap 0 reg 15 PC   (0x24000000)  
  08:32:12:676 : w ap 0 reg 17 MSP  (0x24000500)  
  08:32:12:676 : w ap 0 reg 16 xPSR (0x01000000)  
  08:32:12:678 : w ap 0 @0x240184A0 0x00000200 bytes Data 0x00000000
  08:32:12:681 : w ap 0 @0x24000000 0x00000004 bytes Data 0x0000BE00
  08:32:13:336 : w ap 0 @0x24000004 0x00018064 bytes Data 0x00000000
  08:32:13:337 : Erasing external memory sectors [0 110]
  08:32:13:337 : Init flashloader...
  08:32:13:337 : halt ap 0 
  08:32:13:337 : w ap 0 reg 0 R0   0x00000001
  08:32:13:339 : w ap 0 reg 1 R1   0x00000000
  08:32:13:340 : w ap 0 reg 2 R2   0x00000000
  08:32:13:340 : w ap 0 reg 3 R3   0x00000000
  08:32:13:340 : w ap 0 reg 4 R4   0x00000000
  08:32:13:340 : w ap 0 reg 5 R5   0x00000000
  08:32:13:341 : w ap 0 reg 6 R6   0x00000000
  08:32:13:349 : w ap 0 reg 7 R7   0x00000000
  08:32:13:351 : w ap 0 reg 8 R8   0x00000000
  08:32:13:351 : w ap 0 reg 9 R9   0x00000000
  08:32:13:352 : w ap 0 reg 10 R10  0x00000000
  08:32:13:353 : w ap 0 reg 11 R11  0x00000000
  08:32:13:353 : w ap 0 reg 12 R12  0x00000000
  08:32:13:353 : w ap 0 reg 13 SP   0x00000000
  08:32:13:353 : w ap 0 reg 14 LR   0x24000001
  08:32:13:353 : w ap 0 reg 15 PC   0x240006B1
  08:32:13:353 : w ap 0 reg 16 xPSR 0x01000000
  08:32:13:353 : w ap 0 reg 17 MSP  0x24018464
  08:32:13:353 : w ap 0 reg 18 PSP  0x00000000
  08:32:13:353 : run ap 0 
  08:32:13:575 : halt ap 0 
  08:32:13:575 : r ap 0 reg 0 R0   0x00000001
  08:32:13:575 : Loader sector erase...
  08:32:13:576 : w ap 0 reg 0 R0   0x90000000
  08:32:13:576 : w ap 0 reg 1 R1   0x9006E000
  08:32:13:576 : w ap 0 reg 2 R2   0x00000002
  08:32:13:576 : w ap 0 reg 3 R3   0x00000000
  08:32:13:576 : w ap 0 reg 4 R4   0x00000000
  08:32:13:576 : w ap 0 reg 5 R5   0x00000000
  08:32:13:576 : w ap 0 reg 6 R6   0x00000000
  08:32:13:576 : w ap 0 reg 7 R7   0x00000000
  08:32:13:576 : w ap 0 reg 8 R8   0x00000000
  08:32:13:576 : w ap 0 reg 9 R9   0x00000000
  08:32:13:576 : w ap 0 reg 10 R10  0x00000000
  08:32:13:576 : w ap 0 reg 11 R11  0x00000000
  08:32:13:576 : w ap 0 reg 12 R12  0x00000000
  08:32:13:577 : w ap 0 reg 13 SP   0x00000000
  08:32:13:577 : w ap 0 reg 14 LR   0x24000001
  08:32:13:577 : w ap 0 reg 15 PC   0x240007D3
  08:32:13:579 : w ap 0 reg 16 xPSR 0x01000000
  08:32:13:580 : w ap 0 reg 17 MSP  0x24018464
  08:32:13:582 : w ap 0 reg 18 PSP  0x00000000
  08:32:13:582 : run ap 0 
  08:32:17:745 : halt ap 0 
  08:32:17:745 : r ap 0 reg 0 R0   0x00000001
  08:32:17:746 : erase: 5077ms
  08:32:17:746 : Download in Progress:
  08:32:17:746 :   Size          : 257824 Bytes
  08:32:17:746 :   Address       : 0x08000000 
  08:32:17:746 : Buffer program...
  08:32:17:750 : halt ap 0 
  08:32:17:750 : w ap 0 reg 15 PC   (0x24000000)  
  08:32:17:750 : w ap 0 reg 17 MSP  (0x24000500)  
  08:32:17:750 : w ap 0 reg 16 xPSR (0x01000000)  
  08:32:17:753 : w ap 0 @0x24001140 0x00000200 bytes Data 0x00000000
  08:32:17:753 : w ap 0 @0x24000000 0x00000004 bytes Data 0x0000BE00
  08:32:17:779 : w ap 0 @0x24000004 0x00000D10 bytes Data 0x8F4FF3BF
  08:32:17:779 : Loader write range...
  08:32:18:689 : w ap 0 @0x24001140 0x0001F7A0 bytes Data 0x20020000
  08:32:18:689 : W B1 in RAM @0x24001140 size 0x0001F7A0 : 0915ms
  08:32:18:690 : Init flashloader...
  08:32:18:692 : halt ap 0 
  08:32:18:693 : w ap 0 reg 0 R0   0x00000001
  08:32:18:693 : w ap 0 reg 1 R1   0x00000000
  08:32:18:693 : w ap 0 reg 2 R2   0x00000000
  08:32:18:693 : w ap 0 reg 3 R3   0x00000000
  08:32:18:693 : w ap 0 reg 4 R4   0x00000000
  08:32:18:694 : w ap 0 reg 5 R5   0x00000000
  08:32:18:694 : w ap 0 reg 6 R6   0x00000000
  08:32:18:695 : w ap 0 reg 7 R7   0x00000000
  08:32:18:696 : w ap 0 reg 8 R8   0x00000000
  08:32:18:696 : w ap 0 reg 9 R9   0x00000000
  08:32:18:697 : w ap 0 reg 10 R10  0x00000000
  08:32:18:697 : w ap 0 reg 11 R11  0x00000000
  08:32:18:698 : w ap 0 reg 12 R12  0x00000000
  08:32:18:698 : w ap 0 reg 13 SP   0x00000000
  08:32:18:699 : w ap 0 reg 14 LR   0x24000001
  08:32:18:699 : w ap 0 reg 15 PC   0x2400000B
  08:32:18:699 : w ap 0 reg 16 xPSR 0x01000000
  08:32:18:700 : w ap 0 reg 17 MSP  0x24001110
  08:32:18:700 : w ap 0 reg 18 PSP  0x00000000
  08:32:18:701 : run ap 0 
  08:32:18:701 : halt ap 0 
  08:32:18:707 : r ap 0 reg 0 R0   0x00000001
  08:32:18:709 : w ap 0 reg 0 R0   0x08000000
  08:32:18:710 : w ap 0 reg 1 R1   0x0001F7A0
  08:32:18:711 : w ap 0 reg 2 R2   0x24001140
  08:32:18:713 : w ap 0 reg 3 R3   0x00000002
  08:32:18:713 : w ap 0 reg 4 R4   0x00000000
  08:32:18:714 : w ap 0 reg 5 R5   0x00000000
  08:32:18:714 : w ap 0 reg 6 R6   0x00000000
  08:32:18:714 : w ap 0 reg 7 R7   0x00000000
  08:32:18:714 : w ap 0 reg 8 R8   0x00000000
  08:32:18:714 : w ap 0 reg 9 R9   0x00000000
  08:32:18:715 : w ap 0 reg 10 R10  0x00000000
  08:32:18:715 : w ap 0 reg 11 R11  0x00000000
  08:32:18:715 : w ap 0 reg 12 R12  0x00000000
  08:32:18:715 : w ap 0 reg 13 SP   0x00000000
  08:32:18:715 : w ap 0 reg 14 LR   0x24000001
  08:32:18:715 : w ap 0 reg 15 PC   0x24000079
  08:32:18:715 : w ap 0 reg 16 xPSR 0x01000000
  08:32:18:715 : w ap 0 reg 17 MSP  0x24001110
  08:32:18:715 : w ap 0 reg 18 PSP  0x00000000
  08:32:18:715 : run ap 0 
  08:32:19:650 : w ap 0 @0x240208E0 0x0001F780 bytes Data 0xB2093004
  08:32:19:651 : W B2 in RAM @0x24080740 size 0x0001F780: 0961ms
  08:32:19:654 : r ap 0 reg 0 R0   0x00000001
  08:32:19:654 : Wait W B1 in Flash @0x08000000 size 0x0001F7A0: 0001ms
  08:32:19:654 : r ap 0 reg 0 R0   0x00000001
  08:32:19:654 : Write elapsed time: 1879ms
  08:32:19:656 : halt ap 0 
  08:32:19:656 : w ap 0 reg 15 PC   (0x24000000)  
  08:32:19:656 : w ap 0 reg 17 MSP  (0x24000500)  
  08:32:19:656 : w ap 0 reg 16 xPSR (0x01000000)  
  08:32:19:657 : Loader write range...
  08:32:20:581 : w ap 0 @0x24001140 0x0001F7A0 bytes Data 0x20020000
  08:32:20:581 : W B1 in RAM @0x24001140 size 0x0001F7A0 : 0925ms
  08:32:20:583 : halt ap 0 
  08:32:20:584 : r ap 0 reg 0 R0   0x5200200C
  08:32:20:584 : Error: failed to download Segment[0]
  08:32:20:584 : Error: failed to download the File

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Osman SOYKURT
ST Employee
In response to Tesla DeLorean

‎2022-07-07 01:21 AM

Hello Tesla DeLorean,

Thanks for this suggestion, I'll communicate this idea to my colleagues.

/Osman

Osman SOYKURT
ST Software Developer | TouchGFX
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Osman SOYKURT
ST Employee

‎2022-07-07 01:37 AM

Hello nikof,

Don't know if this helps but can you try with 

OCTOSPI (xrw)	  : ORIGIN = 0x90000000, LENGTH = 16M

Also, is your flash memory correctly configured ? You can follow this guide to set it up.

/Osman

Osman SOYKURT
ST Software Developer | TouchGFX
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nikof
Associate II

‎2022-07-07 01:50 AM

Hello Osman,

I tried your advice but nothing changed.

Also, I think the flash memory is correctly configured. I can read, write and erase just sendig the appropriate commands. Also I can do all these things in the STM32CubeProgrammer.

The problem occur when I try to run my TouchGFX project putting something in the external flash. In the linker script:

TextFlashSection :
{
    *(TextFlashSection TextFlashSection.*)
    *(.gnu.linkonce.r.*)
    . = ALIGN(0x4);
} >OCTOSPI

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Osman SOYKURT
ST Employee
In response to nikof

‎2022-07-07 04:43 AM

You're in memory mapped mode right ?

Have you check in your application in TouchGFX Designer if you have this checkbox checked ?

0693W00000QKdltQAD.png 

/Osman

Osman SOYKURT
ST Software Developer | TouchGFX
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nikof
Associate II

‎2022-07-07 04:46 AM

Yes, I'm in memory mapped mode.

Yes, it is checked.

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Tesla DeLorean
Guru

‎2022-07-07 05:47 AM

Looks to be failing when it switched back to the internal loader, so might suggest that the external one is making a mess of the MCU, perhaps having it running interrupts, or using RAM (0x24000000) for a different and incompatible purpose.

The loaders shouldn't need to be using interrupts. There are other ways to mark off time for timeouts and delays.

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