Re: Lua on an embedded ARM with 128K ROM and 16K RAM

["Bogdan Marinescu" <bogdan.marinescu@...>]

Sorry, it is possible to stuff it in 128k of _ROM_.

On Wed, Oct 22, 2008 at 3:53 PM, Bogdan Marinescu
<bogdan.marinescu@gmail.com> wrote:
> You might want to take a look here:
>
> http://elua.berlios.de
>
> A quick answer to your questions:
>
> 1. yes, it is possible to stuff it in 128k of RAM
> 2. 16K of RAM is indeed a very hard limit, and currently this might
> not be possible. I do have a Lua patch in the works aimed specifically
> at reducing the Lua RAM footprint, but it's not ready yet (althogh the
> results look very promising). Unfortunately I can't give you a proper
> estimation for the patch release date. It won't be part of the next
> eLua release, that's for sure, as it's way too "young".
>
> Best,
> Bogdan
>
> On Wed, Oct 22, 2008 at 3:49 PM, Tim Eccles <tim@rockylogic.com> wrote:
>> I have a little embedded robot-style system where the control program does
>> simple stuff like "turn left if sensor_1 and sensor_2." The micro is an ARM
>> with 128K of flash ROM and 16 of RAM, almost all free.
>>
>> I would like to be able to send the control program as a Lua script - the
>> most friendly solution. So the question is whether a useful amount of Lua
>> could be shoehorned into the ROM/RAM.
>>
>> I would guess that a reasonable subset of the language will fit into 128K,
>> but would the 16K RAM limit be an insoluble problem?
>>
>