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rttConfig.enable does nothing (arm gdb + blackmagicprobe on stlink). here is the proof + workaround #1065

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albmef opened this issue Dec 1, 2024 · 0 comments
Open

rttConfig.enable does nothing (arm gdb + blackmagicprobe on stlink). here is the proof + workaround #1065

albmef opened this issue Dec 1, 2024 · 0 comments

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@albmef
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albmef commented Dec 1, 2024 •
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hi !
below is the proof that enabling rtt with just rttconfig.enable just does not work (on my config)

setup:

  • VSCODE on archlinux, with cortex debug extension V1.12.1
  • board st nucleo-f441re with blackmagicprobe (target = cortexm, stm and rtt enabled)

prior each test i manually disable the rtt by either doing a cold start, or typing monitor rtt disable in a gdb CLI

first test:
launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "BMP Launch RTT",
            "type": "cortex-debug",
            "request": "launch",
            "executable": "${workspaceFolder}/build/zephyr/zephyr.elf",
            "cwd": "${workspaceFolder}",
            "servertype": "bmp",
            "BMPGDBSerialPort": "/dev/ttyBmpGdb",
            "interface": "swd",
            "runToEntryPoint": "main",
            // "runToEntryPoint": "__start",
            "breakAfterReset": true,
            "showDevDebugOutput": "raw",
            "svdPath": "${workspaceFolder}/boards/arm/nucleo_f411re_bmp/support/STM32F411.svd",
            "rttConfig": {
                "enabled": true,
            }
        }
    ]
}

here is the log from debug console

Cortex-Debug: VSCode debugger extension version 1.12.1 git(652d042). Usage info: https://github.com/Marus/cortex-debug#usage
"configuration": {
    "name": "BMP Launch RTT",
    "type": "cortex-debug",
    "request": "launch",
    "executable": "/home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf",
    "cwd": "/home/alban/zephyr_workspace/blinky_f411re_BMP",
    "servertype": "bmp",
    "BMPGDBSerialPort": "/dev/ttyBmpGdb",
    "interface": "swd",
    "runToEntryPoint": "main",
    "breakAfterReset": true,
    "showDevDebugOutput": "raw",
    "svdPath": "/home/alban/zephyr_workspace/blinky_f411re_BMP/boards/arm/nucleo_f411re_bmp/support/STM32F411.svd",
    "rttConfig": {
        "enabled": true,
        "decoders": []
    },
    "__configurationTarget": 6,
    "gdbServerConsolePort": 55878,
    "pvtAvoidPorts": [],
    "chainedConfigurations": {
        "enabled": false
    },
    "debuggerArgs": [],
    "swoConfig": {
        "enabled": false,
        "decoders": [],
        "cpuFrequency": 0,
        "swoFrequency": 0,
        "source": "probe"
    },
    "graphConfig": [],
    "preLaunchCommands": [],
    "postLaunchCommands": [],
    "preAttachCommands": [],
    "postAttachCommands": [],
    "preRestartCommands": [],
    "postRestartCommands": [],
    "preResetCommands": [],
    "postResetCommands": [],
    "powerOverBMP": "lastState",
    "targetId": 1,
    "toolchainPath": "/home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/",
    "toolchainPrefix": "arm-zephyr-eabi",
    "extensionPath": "/home/alban/.vscode-oss/extensions/marus25.cortex-debug-1.12.1-universal",
    "registerUseNaturalFormat": true,
    "variableUseNaturalFormat": true,
    "pvtVersion": "1.12.1",
    "__sessionId": "59008cd4-aa6a-4bcc-bbd6-345e87a6d881",
    "pvtShowDevDebugOutput": "raw"
}
Reading symbols from /home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/arm-zephyr-eabi-objdump --syms -C -h -w /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf
Reading symbols from /home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/arm-zephyr-eabi-nm --defined-only -S -l -C -p /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf
Launching GDB: /home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/arm-zephyr-eabi-gdb -q --interpreter=mi2
1-gdb-version
Finished reading symbols from objdump: Time: 49 ms
INFO: "rttConfig.address" not specified. Defaulting to "auto"
Finished reading symbols from nm: Time: 86 ms
-> =thread-group-added,id="i1"
-> ~"GNU gdb (Zephyr SDK 0.16.8) 12.1\n"
-> ~"Copyright (C) 2022 Free Software Foundation, Inc.\n"
-> ~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law."
-> ~"\nType \"show copying\" and \"show warranty\" for details.\n"
-> ~"This GDB was configured as \"--host=x86_64-build_pc-linux-gnu --target=arm-zephyr-eabi\".\n"
-> ~"Type \"show configuration\" for configuration details.\n"
-> ~"For bug reporting instructions, please see:\n"
-> ~"<https://github.com/zephyrproject-rtos/sdk-ng/issues>.\n"
-> ~"Find the GDB manual and other documentation resources online at:\n    <http://www.gnu.org/software/gdb/documentation/>."
-> ~"\n\n"
-> ~"For help, type \"help\".\n"
-> ~"Type \"apropos word\" to search for commands related to \"word\".\n"
-> 1^done
2-gdb-set mi-async on
-> 2^done
3-interpreter-exec console "set print demangle on"
-> 3^done
4-interpreter-exec console "set print asm-demangle on"
-> =cmd-param-changed,param="print asm-demangle",value="on"
-> 4^done
5-enable-pretty-printing
-> 5^done
6-interpreter-exec console "source /home/alban/.vscode-oss/extensions/marus25.cortex-debug-1.12.1-universal/support/gdbsupport.init"
-> 6^done
7-interpreter-exec console "source /home/alban/.vscode-oss/extensions/marus25.cortex-debug-1.12.1-universal/support/gdb-swo.init"
-> =cmd-param-changed,param="language",value="c"
-> =cmd-param-changed,param="language",value="auto"
-> 7^done
8-interpreter-exec console "set output-radix 0xa"
-> ~"Output radix now set to decimal 10, hex a, octal 12.\n"
Output radix now set to decimal 10, hex a, octal 12.
-> 8^done
9-interpreter-exec console "set input-radix 0xa"
-> ~"Input radix now set to decimal 10, hex a, octal 12.\n"
Input radix now set to decimal 10, hex a, octal 12.
-> 9^done
10-file-exec-and-symbols "/home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf"
-> 10^done
11-target-select extended-remote /dev/ttyBmpGdb
-> 11^connected
12-interpreter-exec console "monitor swdp_scan"
-> @"Target voltage: 3.29V\n"
Target voltage: 3.29V
-> @"Available Targets:\n"
Available Targets:
-> @"No. Att Driver\n"
No. Att Driver
-> @" 1      STM32F411 M4\n"
 1      STM32F411 M4
-> 12^done
13-interpreter-exec console "attach 1"
-> ~"Attaching to program: /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf, Remote target\n"
Attaching to program: /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf, Remote target
-> =thread-group-started,id="i1",pid="1"
-> =thread-created,id="1",group-id="i1"
-> *running,thread-id="1"
mi2.status = running
-> 13^done
-> ~"__enable_irq () at /home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h:951\n"
__enable_irq () at /home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h:951
14-interpreter-exec console "set mem inaccessible-by-default off"
-> ~"951\t  __ASM volatile (\"cpsie i\" : : : \"memory\");\n"
951	  __ASM volatile ("cpsie i" : : : "memory");
-> *stopped,frame={addr="0x080048ba",func="__enable_irq",args=[],file="/home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h",fullname="/home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h",line="951",arch="armv7e-m"},thread-id="1",stopped-threads="all"
mi2.status = stopped
Program stopped, probably due to a reset and/or halt issued by debugger
-> =cmd-param-changed,param="mem inaccessible-by-default",value="off"
-> 14^done
15-target-download
-> 15+download,{section="rom_start",section-size="408",total-size="610782"}
-> 15+download,{section="rom_start",section-sent="408",section-size="408",total-sent="408",total-size="610782"}
-> 15+download,{section="text",section-size="23000",total-size="610782"}
-> 15+download,{section=".ARM.exidx",section-size="8",total-size="610782"}
-> 15+download,{section="initlevel",section-size="152",total-size="610782"}
-> 15+download,{section="device_area",section-size="260",total-size="610782"}
-> 15+download,{section="sw_isr_table",section-size="688",total-size="610782"}
-> 15+download,{section="log_const_area",section-size="64",total-size="610782"}
-> 15+download,{section="log_backend_area",section-size="16",total-size="610782"}
-> 15+download,{section="rodata",section-size="3148",total-size="610782"}
-> 15+download,{section="datas",section-size="88",total-size="610782"}
-> 15+download,{section="device_states",section-size="26",total-size="610782"}
-> 15+download,{section="log_mpsc_pbuf_area",section-size="56",total-size="610782"}
-> 15+download,{section="log_msg_ptr_area",section-size="4",total-size="610782"}
-> 15+download,{section=".last_section",section-size="4",total-size="610782"}
-> 15^done,address="0x08001ae4",load-size="27922",transfer-rate="251264",write-rate="698"
16-interpreter-exec console "SoftwareReset"
-> =cmd-param-changed,param="language",value="c"
-> ~"Warning: the current language does not match this frame.\n"
Warning: the current language does not match this frame.
-> =memory-changed,thread-group="i1",addr="0xe000ed0c",len="0x4"
-> =cmd-param-changed,param="language",value="auto"
-> 16^done
Returning dummy thread-id to workaround VSCode issue with pause button not working
Returning dummy stack frame to workaround VSCode issue with pause button not working: {"threadId":1,"startFrame":0,"levels":20}
17-break-insert -t --function main
-> ~"Note: automatically using hardware breakpoints for read-only addresses.\n"
Note: automatically using hardware breakpoints for read-only addresses.
-> 17^done,bkpt={number="1",type="breakpoint",disp="del",enabled="y",addr="0x0800047c",func="main",file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",thread-groups=["i1"],times="0",original-location="-function main"}
18-exec-continue --all
-> 18^running
-> *running,thread-id="all"
mi2.status = running
Info: Received readMemory request while busy. {"memoryReference":"0x40020000","count":40}
-> =breakpoint-modified,bkpt={number="1",type="breakpoint",disp="del",enabled="y",addr="0x0800047c",func="main",file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",thread-groups=["i1"],times="1",original-location="-function main"}
-> ~"\n"

-> ~"Temporary breakpoint 1, main () at /home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c:29\n"
Temporary breakpoint 1, main () at /home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c:29
-> ~"29\t{\n"
29	{
-> *stopped,reason="breakpoint-hit",disp="del",bkptno="1",frame={addr="0x0800047c",func="main",args=[],file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",arch="armv7e-m"},thread-id="1",stopped-threads="all"
mi2.status = stopped
-> =breakpoint-deleted,id="1"
Failed to update peripheral GPIOA: Error: peripheral-viewer: readMemory failed @ 0x40020000 for 40 bytes: CodeExpectedError: Busy, session=59008cd4-aa6a-4bcc-bbd6-345e87a6d881
19-thread-list-ids
-> 19^done,thread-ids={thread-id="1"},current-thread-id="1",number-of-threads="1"
20-thread-info 1
-> 20^done,threads=[{id="1",target-id="Thread 1",frame={level="0",addr="0x0800047c",func="main",args=[],file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",arch="armv7e-m"},state="stopped"}]
21-data-read-memory-bytes "0x40020000" 40
-> 21^done,memory=[{begin="0x40020000",offset="0x00000000",end="0x40020028",contents="a00000a8000000000000000c100000640cc000000000000000000000000000000077000000000000"}]
22-stack-list-frames --thread 1 0 19
-> 22^done,stack=[frame={level="0",addr="0x0800047c",func="main",file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",arch="armv7e-m"}]

RESULT : nothing in the RTT output console (attached to /dev/ttyDmpTarg) !!!!

second test:
launch.json

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "BMP Launch RTT",
            "type": "cortex-debug",
            "request": "launch",
            "executable": "${workspaceFolder}/build/zephyr/zephyr.elf",
            "cwd": "${workspaceFolder}",
            "servertype": "bmp",
            "BMPGDBSerialPort": "/dev/ttyBmpGdb",
            "interface": "swd",
            "runToEntryPoint": "main",
            // "runToEntryPoint": "__start",
            "breakAfterReset": true,
            "showDevDebugOutput": "raw",
            "svdPath": "${workspaceFolder}/boards/arm/nucleo_f411re_bmp/support/STM32F411.svd",
            "postLaunchCommands": ["monitor rtt enable"],
            // "rttConfig": {
            //     "enabled": true,
            // }
        }
    ]
}

here the log:

Cortex-Debug: VSCode debugger extension version 1.12.1 git(652d042). Usage info: https://github.com/Marus/cortex-debug#usage
"configuration": {
    "name": "BMP Launch RTT",
    "type": "cortex-debug",
    "request": "launch",
    "executable": "/home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf",
    "cwd": "/home/alban/zephyr_workspace/blinky_f411re_BMP",
    "servertype": "bmp",
    "BMPGDBSerialPort": "/dev/ttyBmpGdb",
    "interface": "swd",
    "runToEntryPoint": "main",
    "breakAfterReset": true,
    "showDevDebugOutput": "raw",
    "svdPath": "/home/alban/zephyr_workspace/blinky_f411re_BMP/boards/arm/nucleo_f411re_bmp/support/STM32F411.svd",
    "postLaunchCommands": [
        "monitor rtt enable"
    ],
    "__configurationTarget": 6,
    "gdbServerConsolePort": 55878,
    "pvtAvoidPorts": [],
    "chainedConfigurations": {
        "enabled": false
    },
    "debuggerArgs": [],
    "swoConfig": {
        "enabled": false,
        "decoders": [],
        "cpuFrequency": 0,
        "swoFrequency": 0,
        "source": "probe"
    },
    "rttConfig": {
        "enabled": false,
        "decoders": []
    },
    "graphConfig": [],
    "preLaunchCommands": [],
    "preAttachCommands": [],
    "postAttachCommands": [],
    "preRestartCommands": [],
    "postRestartCommands": [],
    "preResetCommands": [],
    "postResetCommands": [],
    "powerOverBMP": "lastState",
    "targetId": 1,
    "toolchainPath": "/home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/",
    "toolchainPrefix": "arm-zephyr-eabi",
    "extensionPath": "/home/alban/.vscode-oss/extensions/marus25.cortex-debug-1.12.1-universal",
    "registerUseNaturalFormat": true,
    "variableUseNaturalFormat": true,
    "pvtVersion": "1.12.1",
    "__sessionId": "7035b9b4-eb7d-4ee5-a0e6-6acc36ad9774",
    "pvtShowDevDebugOutput": "raw"
}
Reading symbols from /home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/arm-zephyr-eabi-objdump --syms -C -h -w /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf
Reading symbols from /home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/arm-zephyr-eabi-nm --defined-only -S -l -C -p /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf
Launching GDB: /home/alban/zephyr-sdk-0.16.8/arm-zephyr-eabi/bin/arm-zephyr-eabi-gdb -q --interpreter=mi2
1-gdb-version
Finished reading symbols from objdump: Time: 49 ms
Finished reading symbols from nm: Time: 85 ms
-> =thread-group-added,id="i1"
-> ~"GNU gdb (Zephyr SDK 0.16.8) 12.1\n"
-> ~"Copyright (C) 2022 Free Software Foundation, Inc.\n"
-> ~"License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law."
-> ~"\nType \"show copying\" and \"show warranty\" for details.\n"
-> ~"This GDB was configured as \"--host=x86_64-build_pc-linux-gnu --target=arm-zephyr-eabi\".\n"
-> ~"Type \"show configuration\" for configuration details.\n"
-> ~"For bug reporting instructions, please see:\n"
-> ~"<https://github.com/zephyrproject-rtos/sdk-ng/issues>.\n"
-> ~"Find the GDB manual and other documentation resources online at:\n    <http://www.gnu.org/software/gdb/documentation/>."
-> ~"\n\n"
-> ~"For help, type \"help\".\n"
-> ~"Type \"apropos word\" to search for commands related to \"word\".\n"
-> 1^done
2-gdb-set mi-async on
-> 2^done
3-interpreter-exec console "set print demangle on"
-> 3^done
4-interpreter-exec console "set print asm-demangle on"
-> =cmd-param-changed,param="print asm-demangle",value="on"
-> 4^done
5-enable-pretty-printing
-> 5^done
6-interpreter-exec console "source /home/alban/.vscode-oss/extensions/marus25.cortex-debug-1.12.1-universal/support/gdbsupport.init"
-> 6^done
7-interpreter-exec console "source /home/alban/.vscode-oss/extensions/marus25.cortex-debug-1.12.1-universal/support/gdb-swo.init"
-> =cmd-param-changed,param="language",value="c"
-> =cmd-param-changed,param="language",value="auto"
-> 7^done
8-interpreter-exec console "set output-radix 0xa"
-> ~"Output radix now set to decimal 10, hex a, octal 12.\n"
Output radix now set to decimal 10, hex a, octal 12.
-> 8^done
9-interpreter-exec console "set input-radix 0xa"
-> ~"Input radix now set to decimal 10, hex a, octal 12.\n"
Input radix now set to decimal 10, hex a, octal 12.
-> 9^done
10-file-exec-and-symbols "/home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf"
-> 10^done
11-target-select extended-remote /dev/ttyBmpGdb
-> 11^connected
12-interpreter-exec console "monitor swdp_scan"
-> @"Target voltage: 3.29V\n"
Target voltage: 3.29V
-> @"Available Targets:\n"
Available Targets:
-> @"No. Att Driver\n"
No. Att Driver
-> @" 1      STM32F411 M4\n"
 1      STM32F411 M4
-> 12^done
13-interpreter-exec console "attach 1"
-> ~"Attaching to program: /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf, Remote target\n"
Attaching to program: /home/alban/zephyr_workspace/blinky_f411re_BMP/build/zephyr/zephyr.elf, Remote target
-> =thread-group-started,id="i1",pid="1"
-> =thread-created,id="1",group-id="i1"
-> *running,thread-id="1"
mi2.status = running
-> 13^done
-> ~"__enable_irq () at /home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h:951\n"
__enable_irq () at /home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h:951
14-interpreter-exec console "set mem inaccessible-by-default off"
-> ~"951\t  __ASM volatile (\"cpsie i\" : : : \"memory\");\n"
951	  __ASM volatile ("cpsie i" : : : "memory");
-> *stopped,frame={addr="0x080048ba",func="__enable_irq",args=[],file="/home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h",fullname="/home/alban/zephyr_workspace/modules/hal/cmsis/CMSIS/Core/Include/cmsis_gcc.h",line="951",arch="armv7e-m"},thread-id="1",stopped-threads="all"
mi2.status = stopped
Program stopped, probably due to a reset and/or halt issued by debugger
-> =cmd-param-changed,param="mem inaccessible-by-default",value="off"
-> 14^done
15-target-download
-> 15+download,{section="rom_start",section-size="408",total-size="610782"}
-> 15+download,{section="rom_start",section-sent="408",section-size="408",total-sent="408",total-size="610782"}
-> 15+download,{section="text",section-size="23000",total-size="610782"}
-> 15+download,{section=".ARM.exidx",section-size="8",total-size="610782"}
-> 15+download,{section="initlevel",section-size="152",total-size="610782"}
-> 15+download,{section="device_area",section-size="260",total-size="610782"}
-> 15+download,{section="sw_isr_table",section-size="688",total-size="610782"}
-> 15+download,{section="log_const_area",section-size="64",total-size="610782"}
-> 15+download,{section="log_backend_area",section-size="16",total-size="610782"}
-> 15+download,{section="rodata",section-size="3148",total-size="610782"}
-> 15+download,{section="datas",section-size="88",total-size="610782"}
-> 15+download,{section="device_states",section-size="26",total-size="610782"}
-> 15+download,{section="log_mpsc_pbuf_area",section-size="56",total-size="610782"}
-> 15+download,{section="log_msg_ptr_area",section-size="4",total-size="610782"}
-> 15+download,{section=".last_section",section-size="4",total-size="610782"}
-> 15^done,address="0x08001ae4",load-size="27922",transfer-rate="244656",write-rate="698"
16-interpreter-exec console "SoftwareReset"
-> =cmd-param-changed,param="language",value="c"
-> ~"Warning: the current language does not match this frame.\n"
Warning: the current language does not match this frame.
-> =memory-changed,thread-group="i1",addr="0xe000ed0c",len="0x4"
-> =cmd-param-changed,param="language",value="auto"
-> 16^done
17-interpreter-exec console "monitor rtt enable"   <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< HERE !
-> 17^done
Returning dummy thread-id to workaround VSCode issue with pause button not working
Info: Received readMemory request while busy. {"memoryReference":"0x40020000","count":40}
Returning dummy stack frame to workaround VSCode issue with pause button not working: {"threadId":1,"startFrame":0,"levels":20}
Failed to update peripheral GPIOA: Error: peripheral-viewer: readMemory failed @ 0x40020000 for 40 bytes: CodeExpectedError: Busy, session=7035b9b4-eb7d-4ee5-a0e6-6acc36ad9774
18-break-insert -t --function main
-> ~"Note: automatically using hardware breakpoints for read-only addresses.\n"
Note: automatically using hardware breakpoints for read-only addresses.
-> 18^done,bkpt={number="1",type="breakpoint",disp="del",enabled="y",addr="0x0800047c",func="main",file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",thread-groups=["i1"],times="0",original-location="-function main"}
19-exec-continue --all
-> 19^running
-> *running,thread-id="all"
mi2.status = running
-> =breakpoint-modified,bkpt={number="1",type="breakpoint",disp="del",enabled="y",addr="0x0800047c",func="main",file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",thread-groups=["i1"],times="1",original-location="-function main"}
-> ~"\n"

-> ~"Temporary breakpoint 1, main () at /home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c:29\n"
Temporary breakpoint 1, main () at /home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c:29
-> ~"29\t{\n"
29	{
-> *stopped,reason="breakpoint-hit",disp="del",bkptno="1",frame={addr="0x0800047c",func="main",args=[],file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",arch="armv7e-m"},thread-id="1",stopped-threads="all"
mi2.status = stopped
-> =breakpoint-deleted,id="1"
20-thread-list-ids
-> 20^done,thread-ids={thread-id="1"},current-thread-id="1",number-of-threads="1"
21-thread-info 1
-> 21^done,threads=[{id="1",target-id="Thread 1",frame={level="0",addr="0x0800047c",func="main",args=[],file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",arch="armv7e-m"},state="stopped"}]
22-stack-list-frames --thread 1 0 19
-> 22^done,stack=[frame={level="0",addr="0x0800047c",func="main",file="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",fullname="/home/alban/zephyr_workspace/blinky_f411re_BMP/src/main.c",line="29",arch="armv7e-m"}]
23-data-read-memory-bytes "0x40020000" 40
-> 23^done,memory=[{begin="0x40020000",offset="0x00000000",end="0x40020028",contents="a00000a8000000000000000c100000640cc000000000000000000000000000000077000000000000"}]

RESULT: RTT shows something

1:LED state: OFF
[00:00:00.000,000] <dbg> main: main: 1:LED state: OFF
2:LED state: ON
[00:00:01.000,000] <dbg> main: main: 2:LED state: ON
3:LED state: OFF
[00:00:02.000,000] <dbg> main: main: 3:LED state: OFF
4:LED state: ON
[00:00:03.001,000] <dbg> main: main: 4:LED state: ON
5:LED state: OFF
[00:00:04.001,000] <dbg> main: main: 5:LED state: OFF
6:LED state: ON
[00:00:05.001,000] <dbg> main: main: 6:LED state: ON
7:LED state: OFF
[00:00:06.002,000] <dbg> main: main: 7:LED state: OFF
8:LED state: ON
[00:00:07.002,000] <dbg> main: main: 8:LED state: ON
9:LED state: OFF
[00:00:08.002,000] <dbg> main: main: 9:LED state: OFF
10:LED state: ON
[00:00:09.002,000] <dbg> main: main: 10:LED state: ON
11:LED state: OFF
[00:00:10.003,000] <dbg> main: main: 11:LED state: OFF
12:LED state: ON
[00:00:11.003,000] <dbg> main: main: 12:LED state: ON
13:LED state: OFF
[00:00:12.003,000] <dbg> main: mai*** Booting Zephyr OS build v4.0.0-514-g684324019635 ***
*** Booting Zephyr OS build v4.0.0-514-g684324019635 ***
1:LED state: OFF
[00:00:00.000,000] <dbg> main: main: 1:LED state: OFF
2:LED state: ON
[00:00:01.000,000] <dbg> main: main: 2:LED state: ON
3:LED state: OFF
[00:00:02.000,000] <dbg> main: main: 3:LED state: OFF

TADAAAWWWWW !

feel free to ask if you need more info i'd be happy to help
AM
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