Re: [PD] Pd to Raspberry Pi SPI
It might be better to extend [comport] to handle SPI devices. Assuming you have a /dev/spidev* already existing (I just spent a couple of days getting that far on a Beaglebone Black), the rest of it is quite similar to ordinary asynchronous serial communications. Martin On 2013-08-23 16:21, Dan Nigrin wrote: Background: I'm very well versed in Max, but still a newbie in Pd. I'm working on a project to that will use Pd running on a Raspberry Pi, and that will generate control voltages using DACs (ideally something like a MCP4922 or similar, http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en020399 ). I know about Miller's gpio external, found here: http://crca.ucsd.edu/~msp/syllabi/206.13w/index.htm , but it does not do any of the SPI interfacing, which is the way that will need to interface with the DACs. Is there any possibility (Miller or anyone smarter than I am on this stuff) to extend the gpio external to include SPI interfacing? Thanks in advance, Dan -- Dan Nigrin / Defective Records / http://defectiverecords.com CycliC, M185 Klee Sequencers / MC-4 MC-202 Hack / Audio Plugin Player / General MIDI Player / Major Malfunction Jack OS X / http://jackosx.com ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
Re: [PD] Pd to Raspberry Pi SPI
Thanks, I'll look into comport! Dan On 8/25/13 2:24 PM, Martin Peach martin.pe...@sympatico.ca wrote: It might be better to extend [comport] to handle SPI devices. Assuming you have a /dev/spidev* already existing (I just spent a couple of days getting that far on a Beaglebone Black), the rest of it is quite similar to ordinary asynchronous serial communications. Martin On 2013-08-23 16:21, Dan Nigrin wrote: Background: I'm very well versed in Max, but still a newbie in Pd. I'm working on a project to that will use Pd running on a Raspberry Pi, and that will generate control voltages using DACs (ideally something like a MCP4922 or similar, http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en020399 ). I know about Miller's gpio external, found here: http://crca.ucsd.edu/~msp/syllabi/206.13w/index.htm , but it does not do any of the SPI interfacing, which is the way that will need to interface with the DACs. Is there any possibility (Miller or anyone smarter than I am on this stuff) to extend the gpio external to include SPI interfacing? Thanks in advance, Dan -- Dan Nigrin / Defective Records / http://defectiverecords.com CycliC, M185 Klee Sequencers / MC-4 MC-202 Hack / Audio Plugin Player / General MIDI Player / Major Malfunction Jack OS X / http://jackosx.com ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
[PD] Pd to Raspberry Pi SPI
Background: I'm very well versed in Max, but still a newbie in Pd. I'm working on a project to that will use Pd running on a Raspberry Pi, and that will generate control voltages using DACs (ideally something like a MCP4922 or similar, http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=en020399 ). I know about Miller's gpio external, found here: http://crca.ucsd.edu/~msp/syllabi/206.13w/index.htm , but it does not do any of the SPI interfacing, which is the way that will need to interface with the DACs. Is there any possibility (Miller or anyone smarter than I am on this stuff) to extend the gpio external to include SPI interfacing? Thanks in advance, Dan -- Dan Nigrin / Defective Records / http://defectiverecords.com CycliC, M185 Klee Sequencers / MC-4 MC-202 Hack / Audio Plugin Player / General MIDI Player / Major Malfunction Jack OS X / http://jackosx.com ___ Pd-list@iem.at mailing list UNSUBSCRIBE and account-management - http://lists.puredata.info/listinfo/pd-list
