Led

A test EtherCat/EtherLab based application that turns LEDs on and off

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/learn @abrighton/Led

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led

A test EtherCat/EtherLab based application that turns LEDs on and off (based on EtherLab/examples/user/main.c).

The code here assumes the following setup for the ethercat slaves (ethercat slaves command):

0  0:0  PREOP  +  EK1100 EtherCAT-Koppler (2A E-Bus)
1  0:1  PREOP  +  EL2202 2K. Dig. Ausgang 24V, 0.5A
2  0:2  PREOP  +  EL1252 2K. Fast Dig. Eingang 24V, 1us, DC Latch
3  0:3  PREOP  +  EL1252 2K. Fast Dig. Eingang 24V, 1us, DC Latch
4  0:4  PREOP  +  EL2252 2K. Dig. Ausgang 24V, 0.5A, DC Time Stamp

The application sets a timer to run the cyclic_task() routine FREQUENCY times per second. This routine should normally check the current input and output states. A call to ecrt_master_send(master) also needs to be made this frequently to avoid a watchdog timeout. Note that the EL2202 will reset its outputs to 0 after 100ms if not updated.

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