[etherlab-users] Beckhoff EL2809 (16 digital outputs) initialization issue

[Richard Hacker]

On 2020-04-23 12:43, BUSSIERES Vincent wrote:
> I think PDOs for EL2809 module are already configured, I don’t know if I 
> need to call « ecrt_master_slave_config » and « ecrt_slave_config_pdos » 
> functions.
> 
> In mini.c example, when the  #define CONFIGURE_PDOS is comment these 
> functions are not called. I tried to comment them but it didn’t work too.
> 
You need to tell the master the slave's layout using these functions 
even though they are marked as <Mandatory> and <Fixed> in the XML.

In this case the master can start even without the bus being connected.

Mit freundlichem Gruß

Richard Hacker