This is a modified WiringPi for OrangePi. We call it WiringOP. Test fo Orangepi pc
git clone https://github.com/zhaolei/WiringOP.git -b h3
cd WiringOP
chmod +x ./build
sudo ./build
orangepi@orangepi:~$ gpio readall
+-----+-----+----------+------+---+--OrangePiPC--+---+------+---------+-----+--+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
| | | 3.3v | | | 1 || 2 | | | 5v | | |
| 2 | -1 | SDA.0 | | | 3 || 4 | | | 5V | | |
| 3 | -1 | SCL.0 | | | 5 || 6 | | | 0v | | |
| 4 | 6 | IO6 PA06 | OUT | 0 | 7 || 8 | | | TxD3 | | |
| | | 0v | | | 9 || 10 | | | RxD3 | | |
| 17 | -1 | RxD2 | | | 11 || 12 | 0 | OUT | IO1 PD14 | 1 | 18 |
| 27 | -1 | TxD2 | | | 13 || 14 | | | 0v | | |
| 22 | -1 | CTS2 | | | 15 || 16 | 0 | OUT | IO4 PC04 | 4 | 23 |
| | | 3.3v | | | 17 || 18 | 0 | OUT | IO5 PC07 | 5 | 24 |
| 10 | -1 | MOSI | | | 19 || 20 | | | 0v | | |
| 9 | -1 | MISO | | | 21 || 22 | | | RTS2 | | |
| 11 | -1 | SCLK | | | 23 || 24 | | | SPI-CE0 | | |
| | | 0v | | | 25 || 26 | | | CE1 | | |
| 0 | -1 | SDA.1 | | | 27 || 28 | | | SCL.1 | | |
| 5 | 7 | IO7 PA7 | OUT | 0 | 29 || 30 | | | 0v | | |
| 6 | 8 | IO8 PA8 | OUT | 0 | 31 || 32 | 0 | OUT | IO9 PG08 | 9 | 12 |
| 13 | 10 | IO10 PA9 | OUT | 0 | 33 || 34 | | | 0v | | |
| 19 | 12 | IO12PA10 | OUT | 0 | 35 || 36 | 0 | OUT | IO13PG09 | 13 | 16 |
| 26 | 14 | IO14PA20 | OUT | 0 | 37 || 38 | 0 | OUT | IO15PG06 | 15 | 20 |
| | | 0v | | | 39 || 40 | 0 | OUT | IO16PG07 | 16 | 21 |
+-----+-----+----------+------+---+----++----+---+------+----------+-----+-----+
| BCM | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | BCM |
+-----+-----+----------+------+---+--OrangePIPC--+------+----------+-----+-----+
Thanks!