https://software-dl.ti.com/processor-industrial-sw/esd/ind_comms_sdk/am243x/2026_00_00_06/docs/am243x/ethercat_subdevice/group___e_c___a_p_i___s_l_v___a_o_e_ga03950cafa29e37cc7e103c430b7bf533.html
EtherCAT SubDevice: EC_API_SLV_AoE_cbRegisterWriteRequestHandler
ethercatsubdeviceapislvaoe
https://www.unix.com/man-page/debian/3/comedi_find_subdevice_by_type
comedi_find_subdevice_by_type(3) debian man page | unix.com
Man page for comedi_find_subdevice_by_type(3) on debian, from the unix.com online archive.
by typeman pagecomedifindsubdevice
https://software-dl.ti.com/processor-industrial-sw/esd/ind_comms_sdk/am243x/2026_00_00_06/docs/am243x/ethercat_subdevice/group___ci_a402_ga991ea8bd10f6f315e53ccc545bde5b4a.html
EtherCAT SubDevice: STATE_NOT_READY_TO_SWITCH_ON
not readyswitch onethercatsubdevicestate