Need C-code for Sigma Delta ADC

Alex.Stanfield

I'm starting a project which will require an ADC and want to do it in C with the SimpleIDE.

Has anyone an example of a Sigma Delta ADC using C code?

Thanks in advance.

Alex

Reinhard

Hey
It's not pure C, but the Sigma Delta ADC from Spin is used .

Alex.Stanfield

Reinhard wrote: »

Hey
It's not pure C, but the Sigma Delta ADC from Spin is used .

Thanks a lot Reinhard, I'll give it a try soon.

I'll be measuring temperature with a 100K NTC thermistor. I could use an ADC chip but being a low-speed variable and only one it seems a waste to add a chip on the board

I would also welcome any recommendation as to the right placement of the sigma-delta components on the new propeller proto board (#32810)

Alex

Reinhard

Hello Alex,
I forgot, the conversion from Spin to objectcode is done with:
bstc -ls -Ox -c -o sigma_delta sigma_delta.spin
propeller-elf-objcopy -I binary -B propeller -O propeller-elf-gcc sigma_delta.dat sigma_delta_firmware.o

I do not know if it is possible to do this inside the SimpleIDE, but I think it's not a big expense do this with commandline.

Reinhard

jazzed

Hi Reinhard.

SimpleIDE handles the .spin PASM code conversion automatically for spin files added in the project.

Good to see you posting again.

Reinhard

Hi Steve,
I have try it.
->Project::Add File and the Spincode is compiled and linked without Problems
it is really SIMPLE ;-)
Reinhard