Re: [Qemu-devel] [Bug 1630723] [NEW] UART writes to netduino2/stm32f205-soc disappear

[Alistair Francis]

QEMU only supports the Netduino (not Netduino 2) it is possible that
the base addresses are different and that is why you aren't seeing the
serial output.

Thanks,

Alistair


On Wed, Oct 5, 2016 at 11:56 AM, Seth <address@hidden> wrote:
> Public bug reported:
>
> Writes to UART 2 and 3 disappear. As a sanity check I put printf
> statements in the function stm32f2xx_usart_write in
> qemu/hw/char/stm32f2xx_usart.c and recompiled qemu. The result confirmed
> text sent to UART1 and UART4 are sent to that function while text sent
> to UART 2 and 3 are not. I assume writes to all 4 need to make it to
> that function for emulations to operate correctly.
>
> Example code that writes to all 4 UARTs/USARTs (does not contain the printf 
> statements mention above):
> https://github.com/skintigh/baremetal_netduino2
>
> ** Affects: qemu
>      Importance: Undecided
>          Status: New
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1630723
>
> Title:
>   UART writes to netduino2/stm32f205-soc disappear
>
> Status in QEMU:
>   New
>
> Bug description:
>   Writes to UART 2 and 3 disappear. As a sanity check I put printf
>   statements in the function stm32f2xx_usart_write in
>   qemu/hw/char/stm32f2xx_usart.c and recompiled qemu. The result
>   confirmed text sent to UART1 and UART4 are sent to that function while
>   text sent to UART 2 and 3 are not. I assume writes to all 4 need to
>   make it to that function for emulations to operate correctly.
>
>   Example code that writes to all 4 UARTs/USARTs (does not contain the printf 
> statements mention above):
>   https://github.com/skintigh/baremetal_netduino2
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/1630723/+subscriptions
>