Error while debugging STM32F051R4T6TR

[Amal Babu]

Posted on February 13, 2018 at 07:24

We have designed a new product with STM32F051R4T6TR ic.We are using JLINK to debugg the STM controller.We using IDE :Keil version 5.After Compiling we got the following error shown below: 

JLink info:

------------

DLL: V6.18a, compiled Aug 11 2017 17:53:19

Firmware: J-Link V9 compiled Dec  1 2017 14:40:21

Hardware: V9.30

S/N : 269302709

OEM : SEGGER-EDU

Feature(s) : FlashBP, GDB

* JLink Info: Found SW-DP with ID 0x0BB11477

* JLink Info: STM32 (connect): Can not attach to CPU. Trying connect under reset.

* JLink Info: Found SW-DP with ID 0x0BB11477

* JLink Info: Found SW-DP with ID 0x0BB11477

* JLink Info: Scanning AP map to find all available APs

* JLink Info: AP[1]: Stopped AP scan as end of AP map has been reached

* JLink Info: AP[0]: AHB-AP (IDR: 0x04770021)

* JLink Info: Iterating through AP map to find AHB-AP to use

* JLink Info: AP[0]: Core found

* JLink Info: AP[0]: AHB-AP ROM base: 0xE00FF000

* JLink Info: CPUID register: 0x410CC200. Implementer code: 0x41 (ARM)

* JLink Info: Found Cortex-M0 r0p0, Little endian.

* JLink Info: FPUnit: 4 code (BP) slots and 0 literal slots

* JLink Info: CoreSight components:

* JLink Info: ROMTbl[0] @ E00FF000

* JLink Info: ROMTbl[0][0]: E000E000, CID: B105E00D, PID: 000BB008 SCS

* JLink Info: ROMTbl[0][1]: E0001000, CID: B105E00D, PID: 000BB00A DWT

* JLink Info: ROMTbl[0][2]: E0002000, CID: B105E00D, PID: 000BB00B FPB

* JLink Info: Reset: Halt core after reset via DEMCR.VC_CORERESET.

* JLink Info: Reset: Reset device via AIRCR.SYSRESETREQ.

ROMTableAddr = 0xE00FF000

* JLink Info: Reset: Halt core after reset via DEMCR.VC_CORERESET.

* JLink Info: Reset: Reset device via AIRCR.SYSRESETREQ.

Target info:

------------

Device: STM32F051R4

VTarget = 3.274V

State of Pins: TCK: 0, TDI: 0, TDO: 0, TMS: 1, TRES: 1, TRST: 0

Hardware-Breakpoints: 4

Software-Breakpoints: 8192

Watchpoints:          2

JTAG speed: 1000 kHz

*** Restricted Version with 32768 Byte Code Size Limit

*** Currently used: 624 Bytes (1%)

* JLink Info: Reset: Halt core after reset via DEMCR.VC_CORERESET.

* JLink Info: Reset: Reset device via AIRCR.SYSRESETREQ.

**JLink Warning: CPU could not be halted

***JLink Error: Can not read register 15 (R15) while CPU is running

***JLink Error: Can not read register 16 (XPSR) while CPU is running

***JLink Error: Can not read register 0 (R0) while CPU is running

***JLink Error: Can not read register 1 (R1) while CPU is running

***JLink Error: Can not read register 2 (R2) while CPU is running

***JLink Error: Can not read register 3 (R3) while CPU is running

***JLink Error: Can not read register 4 (R4) while CPU is running

***JLink Error: Can not read register 5 (R5) while CPU is running

***JLink Error: Can not read register 6 (R6) while CPU is running

***JLink Error: Can not read register 7 (R7) while CPU is running

***JLink Error: Can not read register 8 (R8) while CPU is running

***JLink Error: Can not read register 9 (R9) while CPU is running

***JLink Error: Can not read register 10 (R10) while CPU is running

***JLink Error: Can not read register 11 (R11) while CPU is running

***JLink Error: Can not read register 12 (R12) while CPU is running

***JLink Error: Can not read register 13 (R13) while CPU is running

***JLink Error: Can not read register 14 (R14) while CPU is running

***JLink Error: Can not read register 15 (R15) while CPU is running

***JLink Error: Can not read register 16 (XPSR) while CPU is running

***JLink Error: Can not read register 17 (MSP) while CPU is running

***JLink Error: Can not read register 18 (PSP) while CPU is running

***JLink Error: Can not read register 20 (CFBP) while CPU is running

can someone help me with this error.I am in urgent need of this.

#andrew-neil #clive-one #stm32f0