I'll give that a try. I was thinking that I needed to tell the device the target address.
Is there an additional library I need to link to to for ecrt_master_send_ext? Thomas C Bitsky Jr Lead Developer and Application Engineer ADC | automateddesign.com (Sent from my mobile device.) On Aug 14, 2012 7:29 AM, "Matthieu Bec" <[email protected]> wrote: > > Hello Thomas, > > it might be a simple network config problem: the IP address of your > virtual interface shouldn't be the same as your field device. Try assigning > it something different on the same subnet, e.g. 192.168.127.1/8 and check > your routing table is correct > > Regards > > On 08/13/12 22:21, Thomas Bitsky, Jr. wrote: > >> Hello! I'm new to using EtherLAB. I've got the master installed as a >> service, and it's communicating to the network fine. However, I'm having >> trouble getting the EoE feature up and running. >> >> I have an Ethernet device in the field with the IP Address >> 192.168.127.254 that I need to communicate with through a web browser. I >> have an EL6601 that the master is able to see fine. When I put the >> network into Operation, the RUN light goes steady. >> >> I'm running on Ubuntu 10.04. I have not installed any real-time >> extensions; I'm just working with EtherLAB right now. >> >> If I execute: >> # ethercat eoe >> >> I get a listing for eoe0s7 as a virtual interface, and that it is down. >> >> >> So, I created in /etc/network the file ifcg-eoe0s7 with the following >> contents: >> >> IPADDRESS=192.168.127.254/8 <http://192.168.127.254/8> >> STARTMODE=auto >> >> I restarted the computer. >> >> To raise the interface, I enter: >> >> # ifconfig eoe0s7 up >> >> The virtual interface goes up, and the LINK light on the EL6601 goes >> solid green. >> >> However, I'm unable to ping 192.168.127.254, or get the pages it serves >> to pop up. So, I did more reading, and I think I need to do some >> function calls in the program. So, I added to my test program: >> >> >> void send_callback(void *cb_data) >> { >> ec_master_t *m = (ec_master_t *) cb_data; >> sem_wait(&mutex); >> ecrt_master_send_ext(m); >> sem_post(&mutex); >> } >> >> /*************************************************************** >> ******************/ >> >> void receive_callback(void *cb_data) >> { >> ec_master_t *m = (ec_master_t *) cb_data; >> sem_wait(&mutex); >> ecrt_master_receive(m); >> sem_post(&mutex); >> } >> >> int >> main(int argc, char **argv) >> { >> >> ... >> >> // setup callbacks for EoE >> ecrt_master_callbacks(master, send_callback, receive_callback, master); >> >> ... >> >> } >> >> >> >> However, it won't build: >> >> durability.o: In function `send_callback': >> /home/tbj/srcroot/durability/**src/durability.c:279: undefined reference >> to `ecrt_master_send_ext' >> durability.o: In function `main': >> /home/tbj/srcroot/durability/**src/durability.c:321: undefined reference >> to `ecrt_master_callbacks' >> >> >> This is my makefile: >> >> CC = gcc >> ETHERCAT_TOPDIR = /home/tbj/srcroot/ethercat >> CFLAGS = -I$(ETHERCAT_TOPDIR)/include -g -O2 >> LDFLAGS = -L$(ETHERCAT_TOPDIR)/lib/.libs -lethercat -lrt >> >> OBJECTS = durability.o >> >> durability.exe : $(OBJECTS) >> $(CC) $(CFLAGS) $(OBJECTS) $(LDFLAGS) -o durability.exe >> >> %.o : %.c >> $(CC) $(CFLAGS) -c $< >> >> >> Can anyone tell me what I'm missing? I feel like I'm one step away from >> having this working, but I can't find anything else in any documentation >> that would lead me to the answer. >> >> Thanks in advance for any help. >> >> T >> >> >> ______________________________**_________________ >> etherlab-users mailing list >> [email protected] >> http://lists.etherlab.org/**mailman/listinfo/etherlab-**users<http://lists.etherlab.org/mailman/listinfo/etherlab-users> >> >> > > -- > Matthieu Bec GMTO Corp. > cell: +1 626 354 9367 P.O. Box 90933 > phone: +1 626 204 0527 Pasadena, CA 91109-0933 > >
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