request_msg_prepare

int(* nfc_tnep_ch_cb::request_msg_prepare) (void)

The Connection Handover Request Message prepare callback.

This callback is called every time when the NFC Forum Device takes the Connection Handover Requester role and the Connection Handover Message must be sent to the other NFC Forum Device.

Return values

0	If the operation was successful. Otherwise, a (negative) error code is returned.