[riot-notifications] [RIOT-OS/RIOT] board/sltb001a: cannot flash with JLink when 'hello-world' is running and no error (#11059)

Gaëtan Harter notifications at github.com
Mon Feb 25 13:40:52 CET 2019


#### Description

When some firmwares are running on the `sltb001a` it cannot be flashed from JLink anymore but can still be flashed from the drag and drop feature.
It is at least the case for `hello-world`.

To recover the board, just flash `examples/default` with the drag and drop feature.


#### Steps to reproduce the issue

See if it flashes correctly:

```
BOARD=sltb001a make -C examples/default/ flash
```
It can be done multiple times

Flash hello-world

```
BOARD=sltb001a make -C examples/hello-world flash
```

Try flashing any application again with Jlink.

#### Expected results

You can keep flashing.

And in case of error the error code is non zero.

#### Actual results

The flash does not work from Jlink:

```
****** Error: Timeout while checking target RAM, RAMCode did not respond in time. (PC = 0x00000009, CPSR = 0x00000008, LR = 0x81000000)!
Failed to prepare for programming.
Failed to execute RAMCode for RAM check!
Unspecified error -1

Reset delay: 0 ms
Reset type NORMAL: Resets core & peripherals via SYSRESETREQ & VECTRESET bit.
Reset: Halt core after reset via DEMCR.VC_CORERESET.
Reset: Reset device via AIRCR.SYSRESETREQ.
```

And the returcode is `0`



#### Versions

```
JLinkExe
SEGGER J-Link Commander V6.42d (Compiled Feb 15 2019 13:56:53)
DLL version V6.42d, compiled Feb 15 2019 13:56:43

Connecting to J-Link via USB...O.K.
Firmware: Silicon Labs J-Link OB compiled Nov 28 2017 15:39:56
Hardware version: V1.00
S/N: 440068262
License(s): RDI
VTref=3.305V
```


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https://github.com/RIOT-OS/RIOT/issues/11059
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