ST-Link Target unknown error 19

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jprinster
Posts: 3
Joined: Wed Jul 11, 2018 11:01 pm

ST-Link Target unknown error 19

Postby jprinster » Wed Jul 17, 2019 3:53 pm

I use Atollic TS 9.2.0 and an ST-LINK/V2 with two custom boards that have different processors. In both cases I have a bootloader and the main application is loaded higher in flash. For the board with the STM32F051 I can debug with no problems when the code is at the higher location. For the board with the STM32F373 I get an "ST-Link Target unknown error 19" whenever I try to start debugging. However, if I run the ST-LINK Utility program and connect to the target it finds the processor and I can see the memory locations, so I know my cable and the ST-Link is working. Why does the ST-LINK Utility work and TrueStudio doesn't? Why does it work with the STM32F051 and not with the STM32F373?

My ST-LINK/V2 has firmware V2J33S7, which is the most recent available.

I appreciate any assistance.

Jim


----------------------------------------------------------------------------
The console output:
STMicroelectronics ST-LINK GDB server. Version 5.1.0
Copyright (c) 2018, 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

Target unknown error 19

Error in initializing ST-LINK device.
Reason: Unknown. Please check power and cabling to target.

--------------------------------------------------------------------------------------------------
The Target Software Startup Script for the STM32F373:

# Set flash parallelism mode to 32, 16, or 8 bit when using STM32 F2/F4 microcontrollers
# Uncomment next line, 2=32 bit, 1=16 bit and 0=8 bit parallelism mode
#monitor flash set_parallelism_mode 2

# Set character encoding
set host-charset CP1252
set target-charset CP1252

# Reset to known state
monitor reset

# Load the program executable
load

# Reset the chip to get to a known state. Remove "monitor reset" command
# if the code is not located at default address and does not run by reset.
# NOTE I've tried this included and commented out and it doesn't work either way.
monitor reset

# Set program counter and stack pointer.
# Set these to the new location in the flash where the code will be.
# The code is at 0x8004000.
set $pc = *(unsigned int*) 0x4004
set $sp = *(unsigned int*) 0x4000

# Enable Debug connection in low power modes (DBGMCU->CR)
set *0xE0042004 = (*0xE0042004) | 0x7

# Set a breakpoint at main().
tbreak main

# Run to the breakpoint.
continue

kkmspb
Posts: 1
Joined: Tue Apr 21, 2020 10:14 am

Re: ST-Link Target unknown error 19

Postby kkmspb » Tue Apr 21, 2020 12:55 pm

I am beginner but I have a some like situation :

This script instructions don't work :
set $pc = *(unsigned int*) 0x4004
set $sp = *(unsigned int*) 0x4000

I am sure that at 0x8000000 address forever must be minumum two fields of interrupt vector table. Without this any does not work.


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