I'm trying to build a thermal camera and I've got stuck at "building" from
this guide https://github.com/pimoroni/mlx90640-library

I'm not sure where I 'make all' etc - in usr/local it returns things like 'no target specified', and 'no rule'.

It's using a Pi 3 and internal storage with the Pimoroni breakout garden from
a fresh default OS image - very new to all of this so I'm not sure what's important hardware wise.

Any pointers appreciated.

--
Cheers, Rob, Sheffield UK

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RJH wrote:

I'm trying to build a thermal camera and I've got stuck at "building" from this guide https://github.com/pimoroni/mlx90640-library

I'm not sure where I 'make all' etc - in usr/local it returns things like 'no target specified', and 'no rule'.

Have you grabbed the source code into a folder and unzipped it? There's a makefile in the top level folder, There are other way such as checking it out using git

https://github.com/pimoroni/mlx90640-library/archive/refs/heads/master.zip

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RJH <patchmoney@gmx.com> wrote:

I'm trying to build a thermal camera and I've got stuck at "building" from this guide https://github.com/pimoroni/mlx90640-library

I'm not sure where I 'make all' etc - in usr/local it returns things like 'no target specified', and 'no rule'.

It's using a Pi 3 and internal storage with the Pimoroni breakout garden from a fresh default OS image - very new to all of this so I'm not sure what's important hardware wise.

You have to change directory to the location of the Makefile. The usual process is:

$ git clone https://github.com/pimoroni/mlx90640-library.git
Cloning into 'mlx90640-library'...
remote: Enumerating objects: 640, done.
remote: Counting objects: 100% (68/68), done.
remote: Compressing objects: 100% (47/47), done.
remote: Total 640 (delta 30), reused 34 (delta 16), pack-reused 572
Receiving objects: 100% (640/640), 2.83 MiB | 630.00 KiB/s, done.
Resolving deltas: 100% (351/351), done.

$ cd mlx90640-library/

$ make all
g++ -DDEBUG -g -fPIC -I headers -shared -c -o functions/MLX90640_API.o functions/MLX90640_API.cpp
[lots more build output]

Theo

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On 17 Oct 2022 at 14:07:33 BST, Theo wrote:

RJH <patchmoney@gmx.com> wrote:

I'm trying to build a thermal camera and I've got stuck at "building" from >> this guide https://github.com/pimoroni/mlx90640-library

I'm not sure where I 'make all' etc - in usr/local it returns things like 'no
target specified', and 'no rule'.

It's using a Pi 3 and internal storage with the Pimoroni breakout garden from
a fresh default OS image - very new to all of this so I'm not sure what's
important hardware wise.

You have to change directory to the location of the Makefile. The usual process is:

$ git clone https://github.com/pimoroni/mlx90640-library.git
Cloning into 'mlx90640-library'...
remote: Enumerating objects: 640, done.
remote: Counting objects: 100% (68/68), done.
remote: Compressing objects: 100% (47/47), done.
remote: Total 640 (delta 30), reused 34 (delta 16), pack-reused 572
Receiving objects: 100% (640/640), 2.83 MiB | 630.00 KiB/s, done.
Resolving deltas: 100% (351/351), done.

$ cd mlx90640-library/

$ make all
g++ -DDEBUG -g -fPIC -I headers -shared -c -o functions/MLX90640_API.o functions/MLX90640_API.cpp
[lots more build output]

Theo

That's it, all done! Many thanks - and to Andy - I think that was what you
were driving at.

Camera works. Now for the real fun . . .

--
Cheers, Rob, Sheffield UK

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