roland Tollenaar wrote: > Hi, > > In choosing listen_only or Loop_back. What am I actually selecting? > The documentation only tells me that the parameter sets loop_back or > listen_only mode. Not what the difference is between those modes. > Again one of those general network programming features I presume.
Both modes affect the controller directly if it supports it. Listen-only means that this CAN node will not acknowledge incoming frames even if they are correct, it will just sit there and sniff passively. Loopback means that the hardware emulates a fully working bus (i.e. correctly terminated) with only one node that simply receives what it sends. [Granted, documentation might be improvable here for CAN beginners. Still, you need basic some CAN understanding to deal with real-life issues anyway.] > > When working with the virtual device. Does it matter which mode is chosen? Nope, none of them is emulated so far. Jan
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