read-gpio

pi@raspberrypi ~ $ gpio readall
+----------+------+--------+------+-------+
| wiringPi | GPIO | Name   | Mode | Value |
+----------+------+--------+------+-------+
|      0   |  17  | GPIO 0 | IN   | Low   |
|      1   |  18  | GPIO 1 | IN   | Low   |
|      2   |  27  | GPIO 2 | IN   | Low   |
|      3   |  22  | GPIO 3 | IN   | Low   |
|      4   |  23  | GPIO 4 | IN   | Low   |
|      5   |  24  | GPIO 5 | IN   | Low   |
|      6   |  25  | GPIO 6 | IN   | Low   |
|      7   |   4  | GPIO 7 | IN   | Low   |
|      8   |   2  | SDA    | IN   | High  |
|      9   |   3  | SCL    | IN   | High  |
|     10   |   8  | CE0    | IN   | Low   |
|     11   |   7  | CE1    | IN   | Low   |
|     12   |  10  | MOSI   | IN   | Low   |
|     13   |   9  | MISO   | IN   | Low   |
|     14   |  11  | SCLK   | IN   | Low   |
|     15   |  14  | TxD    | ALT0 | High  |
|     16   |  15  | RxD    | ALT0 | High  |
|     17   |  28  | GPIO 8 | IN   | Low   |
|     18   |  29  | GPIO 9 | IN   | Low   |
|     19   |  30  | GPIO10 | IN   | Low   |
|     20   |  31  | GPIO11 | IN   | Low   |
+----------+------+--------+------+-------+