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Re: [Paparazzi-devel] ARM Cortex-M4
From: |
Eric Parsonage |
Subject: |
Re: [Paparazzi-devel] ARM Cortex-M4 |
Date: |
Fri, 14 Oct 2011 19:07:49 +1030 |
Hey Piotr
I am more than happy to have a go at putting a toolchain together for this.
Eric
On 14/10/2011, at 6:59 PM, Piotr Esden-Tempski wrote:
> It is great to hear that SAT works for it. I did not get around to try it
> yet. (got the board just yesterday)
>
> What are you using to flash the chip?
>
> Cheers Esden
>
> On Oct 14, 2011, at 1:12 AM, Hector Garcia de Marina wrote:
>
>> Hello Piotr,
>>
>> already I am using g++ 4.6.1 (built with summon-arm-toolchain script,
>> https://github.com/esden/summon-arm-toolchain). Employing FreeRTOS and Eigen
>> for matrices.
>>
>> I agree with you, inspecting the asm code for my IIR filter, I found that
>> currently the compiler is not so "smart", actually sometimes it does not use
>> the MAC instructions (DSP). I guess it is a matter of time that "cortex-m4"
>> option will use better this kind of instructions. On the other hand, all
>> float operation units uses correctly the new hardware instructions.
>>
>> Héctor.
>>
>> On Fri, Oct 14, 2011 at 10:03 AM, Piotr Esden-Tempski <address@hidden> wrote:
>> Hi,
>>
>> On Oct 14, 2011, at 12:34 AM, Prof. Dr.-Ing. Heinrich Warmers wrote:
>>
>>> Hi all,
>>> i found a first prototype pcb with the new ARM Cortex-M4.
>>> http://www.watterott.com/de/Boards-/-Kits/ARM/Cortex-M4
>>> This processor has a FPU, 168MHz clock, 1Mbyte flash eprom and 198kyte ram.
>>> The price is 14 euro.
>>> I think this processor allow DGPS and IMU fusion and may bee a candidate
>>> for the future autopilot hardware.
>> I have this board on my desk. You can get them for free from ST if you are
>> in the US. As I am working on lisa/m v1.1 l added forward compatibility to
>> this chip.
>>
>> The problem I see here is that the toolchains are in very early stages in
>> supporting this new core, so it will take a while until they are stable
>> enough to be used on production systems. But I am looking forward to that.
>>
>> Cheers Esden
>> _______________________________________________
>> Paparazzi-devel mailing list
>> address@hidden
>> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>>
>>
>>
>> --
>> Héctor
>>
>>
>> _______________________________________________
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>> address@hidden
>> https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
>
>
> _______________________________________________
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- [Paparazzi-devel] ARM Cortex-M4, Prof. Dr.-Ing. Heinrich Warmers, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Hector Garcia de Marina, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Piotr Esden-Tempski, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Hector Garcia de Marina, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Piotr Esden-Tempski, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4,
Eric Parsonage <=
- Re: [Paparazzi-devel] ARM Cortex-M4, Hector Garcia de Marina, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Piotr Esden-Tempski, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Hector Garcia de Marina, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Meier Lorenz, 2011/10/14
- Re: [Paparazzi-devel] ARM Cortex-M4, Hector Garcia de Marina, 2011/10/14
- [Paparazzi-devel] Ubuntu 11.10 ivy-ocaml issue & temporary fix, Gareth Roberts, 2011/10/14
- Re: [Paparazzi-devel] Ubuntu 11.10 ivy-ocaml issue & temporary fix, Felix Ruess, 2011/10/14
- Re: [Paparazzi-devel] Ubuntu 11.10 ivy-ocaml issue & temporary fix, Gareth Roberts, 2011/10/14
- Re: [Paparazzi-devel] Ubuntu 11.10 ivy-ocaml issue & temporary fix, Felix Ruess, 2011/10/14
- Re: [Paparazzi-devel] Ubuntu 11.10 ivy-ocaml issue & temporary fix, Felix Ruess, 2011/10/15