> Thats another problem, can a comp have its own modules? > Like, can a generic SPI host comp have specific client sub-comps? > How to talk to different devices with same protocol?
I am using CANopen also over SPI but only implemented enough to get it working. There are SDO with acknowledge which may be used for configuration, they are sent with acknowledge. For real time there is PDOs which may be sent periodically. > I cant right now, I'm attempting python calls to use the MCP23s17 i/o, > its slow and non-realtime if I cant swing it, but for buttons, relays > and lights, thats ok. > > BTW: Theres 2 spi buses on the rpi3b > one SPI0 has 2 chip selects the other has 3 SPI1. That's enough for a few cheap boards with high bit rate. Nicklas Karlsson _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
