Re: Re: External IO- Ethernet interference
Steve Trigero <seecwriter-/[email protected]>
| Newsgroups | gmane.comp.hardware.rabbit-semiconductor |
|---|---|
| Message-ID | <[email protected]> |
When using external I/O and Ethernet you need to configure Port E for I/O Strobe mode, and select one of the strobe outputs on port E to gate your external I/O activity that is different than the strobe used by Ethernet. Ethernet uses PE2, so pick a different one to use. Steve On Friday, January 10, 2014 10:50 AM, "[email protected]" <[email protected]> wrote: >>I am having a problem with interference between external IO and >>Ethernet on a RCM3200. I have an application that runs properly with >>external IO and another using TFTP and UDP over the ethernet. When I >>combine the two, the ethernet does not work. I have replicated the >>problem by using the UDP_SRV.C example (as modified for my particular >>IP addresses). It works as expected until I add #define PORTA_AUX_IO >>line to the top of the program. With this directive, the program no >>longer responds to ethernet messages. There are numerous reference in >>both Rabbit's website and this group's archives to interactions >>between the external I/O and the Ethernet but none seem to cover this >>basic problem. Does anyone have any advice? >> > >I am running into this problem this week myself with a new board I designed. >Did you ever find a resolution?? I can't seem to find anything with much detail why this problem is occurring or even if I can REALLY have External I/O peripherals with the Ethernet RCM3200 module? > > > > >