<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Congrats! Gotta love FOSS and the variety of options it offers :-)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>There are several implementations of this, including Miller’s gpio, and pd-l2ork’s disis_spi and disis_gpio (which are also compatible with pd-vanilla). disis_spi gives you 8 channels of mcp3008 connectivity, and disis_gpio gives you all the GPIO functionality from wiringpi, including both hw and sw pwm and the ability to side-step wiringpi’s dubious requirement to exit the program if an error is encountered. They build automatically for Raspberry Pi builds of pd-l2ork (./tar_em_up.sh –R), but can be also built manually by going into <git_mirrored_folder>/l2ork_addons/raspberry_pi folder. These will be presented at NIME early next week. Cheers!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Pd-announce [mailto:pd-announce-bounces@mail.iem.at] <b>On Behalf Of </b>Jaime E Oliver via Pd-announce<br><b>Sent:</b> Friday, June 27, 2014 9:34 PM<br><b>To:</b> pd-announce@iem.at; PDlist List<br><b>Subject:</b> [PD-announce] GPIO External for RPi based on WiringPi<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi all, <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I've recently made this external to access the GPIO and the mcp3008 (or mcp3004) chip in the raspberry pi. They are standalone externals based on WiringPi (<a href="http://wiringpi.com/">http://wiringpi.com/</a>). Everything is in C so they should be reasonably fast.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>To get the code, binaries and help files go to:<o:p></o:p></p></div><div><p class=MsoNormal><a href="http://nyu-waverlylabs.org/rpi-gpio/">http://nyu-waverlylabs.org/rpi-gpio/</a><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>All best,<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>J<o:p></o:p></p></div></div></div></body></html>