RTEMS | Issuearm/raspberrypi: Serial port no input possible (#5260)

Heinz Junkes (@junkes) gitlab at rtems.org
Sat Jun 7 17:53:01 UTC 2025



Heinz Junkes created an issue: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5260



## Summary
No input posible on uart(PL011)

```
junkes at Mac BHT_VE % ./startQemuRaspi hpj_example.img

RTEMS RPi 2B 1.1 (1GB) [00a21041]

RTEMS Shell on /dev/console. Use 'help' to list commands.
SHLL [/] #
```

## Steps to reproduce
Test on qemu

```
junkes at Mac BHT_VE % ./startQemuRaspi hpj_example.img

RTEMS RPi 2B 1.1 (1GB) [00a21041]

RTEMS Shell on /dev/console. Use 'help' to list commands.
SHLL [/] #

```
Test on real hardware:

```

RTEMS RPi 2B 1.1 (1GB) [00a01041]

RTEMS Shell on /dev/console. Use 'help' to list commands.
SHLL [/] #
```

Detailed explanations here: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/494

## Expected behaviour

It should be possible to type commands to the RTEMS-SHELL.

arm / raspberrypi2

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5260
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