[PD] GPIO, mcp3008 and Raspbian

Jaime E Oliver jaime.oliver2 at gmail.com
Mon Mar 24 17:47:47 CET 2014

Hi Ivica, 

I was working on a small external for MCP3008 using wiring pi, but I'd love to try yours if it is possible. Will it be possible to use it as an external like gpio with vanilla? are you using wiring pi for this?

Also, how are you getting the multiple pwm streams?



On Mar 20, 2014, at 1:16 PM, Ivica Ico Bukvic <ico at vt.edu> wrote:

> On 03/20/2014 12:37 PM, David Medine wrote:
>> FYI
>> There is also a RPi GPIO object for Pd by Miller Puckette here:
>> http://msp.ucsd.edu/syllabi/206.13w/index.htm
>> and the  same code with a makefile and build for UDOO here:
>> https://github.com/cmuartfab/Udoo/tree/dem-rev/puredata/gpio
>> I did see the note from garthz about the architecture collisions. I will attend to this. Anyway, make sure to use the gpio.l_arm version -- just delete the other two to avoid problems.
> Indeed, disis_gpio is loosely based on gpio. It however also offers things that gpio (AFAIK) doesn't, like multithreaded pusle-width-modulation (hardware on pin 18 and software on all pins) with an Arduino-like 0-1023 range. disis_spi is a completely new beast that allows interfacing with MCP3008 AD converter and provides up to 8 analog input channels that can provide high-resolution streams with values 0-1023. So, pd-l2ork externals essentially look to provide an Arduino-like environment.
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