The Raspberry Pi 3 Model A+ was recently released. As of today the wiringPi set of tools (in particular gpio readall) doesn’t completely work on this platform, because wiringPi doesn’t recognise the new board type (14).
Without this fix when you run:
Oops - unable to determine board type... model: 14
And if you run:
gpio version: 2.46 Copyright (c) 2012-2018 Gordon Henderson This is free software with ABSOLUTELY NO WARRANTY. For details type: gpio -warranty Raspberry Pi Details: Type: Unknown14, Revision: 00, Memory: 512MB, Maker: Sony * Device tree is enabled. *--> Raspberry Pi 3 Model A Plus Rev 1.0 * This Raspberry Pi supports user-level GPIO access.