OpenOCD连接失败 #31

ZhuYanzhen1 · 2022-02-25T17:45:07Z

OpenOCD版本：Open On-Chip Debugger 0.11.0+dev-00571-g254883597-dirty (2022-02-15-15:05)，自己拉仓库下来编译的。ST Link等支持完美。
OpenOCD连接语句：openocd.exe -f cmsis-dap.cfg，cmsis-dap.cfg内容为adapter driver cmsis-dap。
连接的过程中就出错了，OpenOCD返回信息：

Open On-Chip Debugger 0.11.0+dev-00571-g254883597-dirty (2022-02-15-15:05)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : Using CMSIS-DAPv2 interface with VID:PID=0xc251:0xf00a, serial=1234
# 上面这条信息出现后ESP8266就core panic了
Error: error writing data: Input/Output Error
Error: CMSIS-DAP command CMD_INFO failed.

串口返回的错误信息：

phy_version: 1163.0, 665d56c, Jun 24 2020, 10:00:08, RTOS new
I (301) wifi:pm stop
Waiting for AP connection...
I (1905) wifi:state: 0 -> 2 (b0)
I (1958) wifi:state: 2 -> 3 (0)
I (1962) wifi:state: 3 -> 5 (10)
I (1984) wifi:connected with AcmeTech, aid = 1, channel 6, HT20, bssid = 2a:76:93:4d:4e:76
SYSTEM EVENT STA GOT IP : 192.168.1.171
Connected to AP
Socket created
Socket binded
Socket listening
Socket accepted
# 到这里停住，等待usbip attach
Handling dev attach request...
Sending header...
Sending device info...
* GET 0x02 CONFIGURATION DESCRIPTOR
Sending only first part of CONFIG
* GET 0x01 DEVICE DESCRIPTOR
* GET 0x02 CONFIGURATION DESCRIPTOR
Sending only first part of CONFIG
* GET 0x02 CONFIGURATION DESCRIPTOR
Sending ALL CONFIG
* SET CONFIGURATION
* SET INTERFACE
* GET 0x0F BOS DESCRIPTOR
* GET MSOS 2.0 vendor-specific descriptor
** REQUESTED list of supported languages
* GET STATUS
** REQUESTED list of supported languages
** REQUESTED list of supported languages
# 到这里会停住，等待openocd连接
s2 handling cmd unlink...
Guru Meditation Error: Core  0 panic'ed (LoadProhibited). Exception was unhandled.
Core 0 register dump:
PC      : 0x4021f2db  PS      : 0x00000030  A0      : 0x40213d23  A1      : 0x3fffaeb0
A2      : 0x00000000  A3      : 0x3ffe906c  A4      : 0x00000204  A5      : 0xffffffff
A6      : 0x3fffaf38  A7      : 0x00000204  A8      : 0x3ffffff8  A9      : 0x3fffd824
A10     : 0x00000000  A11     : 0x00000000  A12     : 0x00000000  A13     : 0x3ffe9060
A14     : 0x00000000  A15     : 0x3fffaf34  SAR     : 0x00000000  EXCCAUSE: 0x0000001c
Backtrace: 0x4021f2db:0x3fffaeb0 0x40213d0f:0x3fffaee0

复现方法：

下载我编译好的openocd文件并解压
打开PowerShell，进入openocd/bin目录
用usbip连接上esp8266-wireless-dap
运行指令.\openocd.exe -f .\cmsis-dap.cfg

The text was updated successfully, but these errors were encountered:

windowsair · 2022-02-26T00:03:44Z

~~core dump问题比较严重。用的是哪个版本的固件？如果方便的话，能不能上传编译之后的elf文件，路径应该是build/esp8266_dap.elf~~

看到问题了，我找找是什么原因

windowsair · 2022-02-26T04:19:47Z

相当严重的问题，我之前顾着搞其他功能去了，这里正经的dap全崩了。。。

windowsair · 2022-02-26T04:50:54Z

找到原因了，栈太大炸了。。。

8266的内存实在有限，现在加了一堆功能，调小可能还会有暗病= =

windowsair · 2022-02-26T05:12:59Z

试试看最新的开发分支，大概是没问题的

c13366d

https://github.com/windowsair/wireless-esp8266-dap/actions/runs/1902137412

ZhuYanzhen1 · 2022-02-26T07:29:46Z

试试看最新的开发分支，大概是没问题的

c13366d

https://github.com/windowsair/wireless-esp8266-dap/actions/runs/1902137412

新的没有出现core panic的问题了。但是在连接目标MCU的时候还是会报错：

Open On-Chip Debugger 0.11.0+dev-00571-g254883597-dirty (2022-02-15-15:05)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport "swd". To override use '
transport select <transport>'.
Info : Using CMSIS-DAPv2 interface with VID:PID=0xc251:0xf00a, serial=1234
Info : CMSIS-DAP: SWD  supported
Info : CMSIS-DAP: JTAG supported
Info : CMSIS-DAP: Atomic commands supported
Info : CMSIS-DAP: Test domain timer supported
Info : CMSIS-DAP: FW Version = 2.0.0
Info : CMSIS-DAP: Serial# = 1234
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : SWCLK/TCK = 0 SWDIO/TMS = 1 TDI = 0 TDO = 1 nTRST = 0 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 2000 kHz
Info : SWD DPIDR 0x2ba01477
Info : stm32f4x.cpu: Cortex-M4 r0p1 processor detected
Info : SWD DPIDR 0x2ba01477
Error: Failed to write memory and, additionally, failed to find out where
Warn : target stm32f4x.cpu examination failed
Info : gdb port disabled
Info : SWD DPIDR 0x2ba01477
Info : SWD DPIDR 0x2ba01477
Error: Could not find MEM-AP to control the core
Error: Target not examined, reset NOT asserted!
embedded:startup.tcl:1136: Error: ** Unable to reset target **
in procedure 'program'
in procedure 'program_error' called at file "embedded:startup.tcl", line 1173
at file "embedded:startup.tcl", line 1136

我看看要怎么用命令行复现
我是在CLion环境下开发STM32

windowsair · 2022-02-26T07:53:53Z

我手头没有M4的设备，但是M3测试是可以的

windowsair · 2022-02-26T07:57:07Z

可以用telnet连上，然后看看下面的指令能不能复现：

init 
reset init
halt
flash write_image erase E:/TEST.bin 0x08000000

ZhuYanzhen1 · 2022-02-26T07:58:37Z

指令的返回依次是：

> init

> reset init
SWD DPIDR 0x2ba01477
SWD DPIDR 0x2ba01477
Could not find MEM-AP to control the core
Target not examined, reset NOT asserted!

> halt
Target not examined yet

windowsair · 2022-02-26T08:00:42Z

openocd的连接命令是啥样的？

ZhuYanzhen1 · 2022-02-26T08:04:44Z

openocd的连接命令是啥样的？

指令是.\openocd.exe -f .\cmsis-dap.cfg
cmsis-dap.cfg的内容是：

source [find interface/cmsis-dap.cfg]
source [find target/stm32f4x.cfg]

windowsair · 2022-02-26T08:09:10Z

我感觉是板子没有选择对，因为这个MEM-AP是要和芯片匹配的。

我再找找看是什么原因

windowsair · 2022-02-26T08:10:38Z

你这个0x2ba01477 我看着好像不是F4？像是国产的兼容板子？
然后网上说是CKS32，那你可能需要用F1的CFG试试

windowsair · 2022-02-26T08:14:28Z

你看看这个：
https://blog.csdn.net/nick_young_qu/article/details/108217987

用他的方案一试试看

ZhuYanzhen1 · 2022-02-26T08:18:15Z

你这个0x2ba01477 我看着好像不是F4？像是国产的兼容板子？然后网上说是CKS32，那你可能需要用F1的CFG试试

是F4，通过ST-Link+STM32CubeProgrammer可以看得到。我怀疑前面是线没有接牢固的原因，所以我把线直接焊到排针上了。
现在报错是清一色的：

Open On-Chip Debugger 0.11.0+dev-00571-g254883597-dirty (2022-02-15-15:05)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport "swd". To override use '
transport select <transport>'.
Info : Using CMSIS-DAPv2 interface with VID:PID=0xc251:0xf00a, serial=1234
Info : CMSIS-DAP: SWD  supported
Info : CMSIS-DAP: JTAG supported
Info : CMSIS-DAP: Atomic commands supported
Info : CMSIS-DAP: Test domain timer supported
Info : CMSIS-DAP: FW Version = 2.0.0
Info : CMSIS-DAP: Serial# = 1234
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : SWCLK/TCK = 0 SWDIO/TMS = 0 TDI = 1 TDO = 0 nTRST = 0 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 2000 kHz
Error: Error connecting DP: cannot read IDR
in procedure 'program'
** OpenOCD init failed **
shutdown command invoked

这和不插入设备是一样的

ZhuYanzhen1 · 2022-02-26T08:22:12Z

我再检查一下其他的硬件问题，排除偶然性吧。真是辛苦你了

windowsair · 2022-02-26T08:22:59Z

对，确实是F4，但是现在的问题属于是没有读到数据，比刚才要糟糕一些

ZhuYanzhen1 · 2022-02-26T08:46:58Z

我换了一个STM32H750的开发板，似乎可以正常工作。所以有可能是那个F4的原因。

windowsair · 2022-02-26T08:48:06Z

我后面有时间找块f4试试看

windowsair · 2022-03-01T11:42:25Z

@ZhuYanzhen1 我刚才试了块F4，没啥问题

不过8266确实很容易受到干扰

ZhuYanzhen1 · 2022-03-02T20:16:18Z

我觉得很有可能是我这个芯片的问题。不过ESP8266本身的收发能力也决定了它的稳定性和速度没法做到很高。

…

---原始邮件--- 发件人: ***@***.***> 发送时间: 2022年3月1日(周二) 晚上7:42 收件人: ***@***.***>; 抄送: ***@***.***>;"State ***@***.***>; 主题: Re: [windowsair/wireless-esp8266-dap] OpenOCD连接失败 (Issue #31) 我刚才试了块F4，没啥问题不过8266确实很容易受到干扰 — Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications on the go with GitHub Mobile for iOS or Android. You are receiving this because you modified the open/close state.Message ID: ***@***.***>

windowsair · 2022-03-02T20:22:48Z

还有个esp32的分支，有意思的是esp32的速度稍微比8266慢些，暂时还没有搞清楚是啥原因😂

…

------------------ 原始邮件 ------------------ 发件人: Lao·Zhu ***@***.***> 发送时间: 2022年3月3日 04:16 收件人: windowsair/wireless-esp8266-dap ***@***.***> 抄送: windowsair ***@***.***>, Comment ***@***.***> 主题: 回复：[windowsair/wireless-esp8266-dap] OpenOCD连接失败 (Issue #31) 我觉得很有可能是我这个芯片的问题。不过ESP8266本身的收发能力也决定了它的稳定性和速度没法做到很高。

---原始邮件--- 发件人: ***@***.***&gt; 发送时间: 2022年3月1日(周二) 晚上7:42 收件人: ***@***.***&gt;; 抄送: ***@***.***&gt;;"State ***@***.***&gt;; 主题: Re: [windowsair/wireless-esp8266-dap] OpenOCD连接失败 (Issue #31) 我刚才试了块F4，没啥问题不过8266确实很容易受到干扰 — Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications on the go with GitHub Mobile for iOS or Android. You are receiving this because you modified the open/close state.Message ID: ***@***.***&gt; — Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications on the go with GitHub Mobile for iOS or Android. You are receiving this because you commented.Message ID: ***@***.***>

ZhuYanzhen1 · 2022-03-15T13:54:54Z

Hi, 我再次遇到了这个问题，这次我使用的是MM32F3277G9。它是Cortex-M3内核的，而我使用ST-Link可以正常连接它。
看起来这并不是一个偶然现象。报错信息：

Open On-Chip Debugger 0.11.0+dev-00571-g254883597-dirty (2022-02-15-15:05)
Licensed under GNU GPL v2
For bug reports, read
        http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport "swd". To override use '
transport select <transport>'.
Info : DEPRECATED target event trace-config; use TPIU events {pre,post}-{enable,
disable}
Info : Using CMSIS-DAPv2 interface with VID:PID=0xc251:0xf00a, serial=1234
�[0mInfo : CMSIS-DAP: SWD  supported
Info : CMSIS-DAP: JTAG supported
Info : CMSIS-DAP: Atomic commands supported
Info : CMSIS-DAP: Test domain timer supported
Info : CMSIS-DAP: FW Version = 2.0.0
Info : CMSIS-DAP: Serial# = 1234
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : SWCLK/TCK = 0 SWDIO/TMS = 0 TDI = 1 TDO = 0 nTRST = 0 nRESET = 1
Info : CMSIS-DAP: Interface ready
Info : clock speed 10000 kHz
Error: Error connecting DP: cannot read IDR
in procedure 'program'
** OpenOCD init failed **
shutdown command invoked

OpenOCD配置文件：

adapter driver cmsis-dap

source [find target/swj-dp.tcl]
source [find mem_helper.tcl]

adapter speed 10000

if { [info exists CHIPNAME] } {
   set _CHIPNAME $CHIPNAME
} else {
   set _CHIPNAME stm32f1x
}

set _ENDIAN little

if { [info exists WORKAREASIZE] } {
   set _WORKAREASIZE $WORKAREASIZE
} else {
   set _WORKAREASIZE 0x1000
}

set _FLASH_SIZE 0x80000

if { [using_jtag] } {
   # See STM Document RM0008 Section 26.6.3
   set _CPUTAPID 0x3ba00477
} {
   # this is the SW-DP tap id not the jtag tap id
   set _CPUTAPID 0x2ba01477
}

swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu

if {[using_jtag]} {
   jtag newtap $_CHIPNAME bs -irlen 5
}

set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap

$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0

set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME mm32f3x 0x08000000 $_FLASH_SIZE 0 0 $_TARGETNAME

adapter srst delay 100
if {[using_jtag]} {
 jtag_ntrst_delay 100
}

reset_config none

if {![using_hla]} {
    cortex_m reset_config sysresetreq
}

$_TARGETNAME configure -event examine-end {
	mmw 0xE0042004 0x00000307 0
}

$_TARGETNAME configure -event trace-config {
	mmw 0xE0042004 0x00000020 0
}

windowsair · 2022-03-15T13:57:28Z

这个比较麻烦，我建议刚开始连接的时候不要用太高的速率，先用1MHz左右的，等连接上了再切换到10Mhz以上

ZhuYanzhen1 · 2022-03-15T14:03:14Z

我将速率修改成了adapter speed 1000，但是问题依旧。我看看能否拿到它的报错信息

ZhuYanzhen1 · 2022-03-15T14:36:25Z

我怀疑是不是某一些openocd的配置使得它无法连接芯片？

windowsair · 2022-03-15T14:52:02Z

这个比较玄学了。。因为第一步就发生了cannot read IDR错误，这是不能接受的。

实际上，第一步做的是读芯片的ID，这个基本上和openocd配置没有关系，因为Cortex M0、M1、M3、M7都是这样读的，调试器软件都是按这个规范来做的。如果说是高速下的时序问题，那改用低速方式就是原始的IO翻转，这里也不太可能出问题。

我还是觉得和硬件连接关系比较大；或者是usbip的问题，这个玩意在丢包条件下很不稳定

ZhuYanzhen1 · 2022-03-15T17:11:48Z

这个比较玄学了。。因为第一步就发生了cannot read IDR错误，这是不能接受的。

实际上，第一步做的是读芯片的ID，这个基本上和openocd配置没有关系，因为Cortex M0、M1、M3、M7都是这样读的，调试器软件都是按这个规范来做的。如果说是高速下的时序问题，那改用低速方式就是原始的IO翻转，这里也不太可能出问题。

我还是觉得和硬件连接关系比较大；或者是usbip的问题，这个玩意在丢包条件下很不稳定

我实在无法在硬件中找到什么问题。请问有没有办法不使用SP而I改用IO进行操作？

windowsair · 2022-03-16T00:07:23Z

速度设置成小于10Mhz就是纯io翻转。

后续我具体测试下是哪里出现问题了

zjusocks · 2023-08-07T17:01:33Z

STM32F303RE 开发版报错。

我只连接了SWD的SWCLK SWDIO GND 以及 RESET，同样的接线ST-LINK 通过OpenOCD是可以的。


parallels@ubuntu-linux-22-04-desktop:~/Downloads/DAP_TEST$ ~/Desktop/openocd-0.12/bin/openocd -f dap_test.cfg 
xPack Open On-Chip Debugger 0.12.0-01004-g9ea7f3d64-dirty (2023-01-30-15:08)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport "swd". To override use 'transport select <transport>'.
Warn : Transport "swd" was already selected
adapter speed: 1000 kHz

Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : Using CMSIS-DAPv2 interface with VID:PID=0xc251:0xf00a, serial=1234
Info : CMSIS-DAP: SWD supported
Info : CMSIS-DAP: JTAG supported
Info : CMSIS-DAP: Atomic commands supported
Info : CMSIS-DAP: Test domain timer supported
Info : CMSIS-DAP: FW Version = 2.0.0
Info : CMSIS-DAP: Serial# = 1234
Info : CMSIS-DAP: Interface Initialised (SWD)
Info : SWCLK/TCK = 0 SWDIO/TMS = 0 TDI = 0 TDO = 0 nTRST = 0 nRESET = 0
Info : CMSIS-DAP: Interface ready
Info : clock speed 1000 kHz
Error: Error connecting DP: cannot read IDR

windowsair added the bug Something isn't working label Feb 26, 2022

windowsair referenced this issue Feb 26, 2022

fix(mDNS): OOM fix

c13366d

ZhuYanzhen1 closed this as completed Feb 26, 2022

windowsair reopened this Mar 16, 2022

andrewleech mentioned this issue May 16, 2024

Newer IDF Support #75

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OpenOCD连接失败 #31

OpenOCD连接失败 #31

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OpenOCD连接失败 #31

OpenOCD连接失败 #31

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