MikuPi by MikuQ.com

gcc -Wall -o hello3.exe hello3.c -lMikuDuino
./hello3.exe

+-----+-----+---------+------+---+- MikuPi -+---+------+---------+-----+-----+ | CPU | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | CPU | +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+ | | | 3.3v | | | 1 || 2 | | | 5v | | | | 229 | 8 | SDA.1 | IN | 0 | 3 || 4 | | | 5V | | | | 228 | 9 | SCL.1 | IN | 0 | 5 || 6 | | | GND | | | | 362 | 7 | GCLK | OUT | 1 | 7 || 8 | 0 | IN | TxD0 | 15 | 32 | | | | GND | | | 9 || 10 | 0 | IN | RxD0 | 16 | 33 | | 68 | 0 | GEN0 | ALT3 | 0 | 11 || 12 | 0 | IN | GEN1 | 1 | 35 | | 71 | 2 | GEN2 | ALT3 | 0 | 13 || 14 | | | GND | | | | 81 | 3 | GEN3 | ALT3 | 0 | 15 || 16 | 0 | IN | GEN4 | 4 | 34 | | | | 3.3v | | | 17 || 18 | 1 | OUT | GEN5 | 5 | 360 | | 64 | 12 | MOSI | ALT4 | 0 | 19 || 20 | | | GND | | | | 65 | 13 | MISO | ALT4 | 0 | 21 || 22 | 1 | OUT | GEN6 | 6 | 361 | | 66 | 14 | SCLK | ALT4 | 0 | 23 || 24 | 0 | ALT4 | CE0 | 10 | 67 | | | | GND | | | 25 || 26 | 0 | IN | CE1 | 11 | 234 | | 227 | 30 | SDA.0 | IN | 0 | 27 || 28 | 0 | IN | SCL.0 | 31 | 226 | | 82 | 21 | GPIO.21 | ALT3 | 0 | 29 || 30 | | | GND | | | | 202 | 22 | GPIO.22 | ALT2 | 0 | 31 || 32 | 0 | ALT3 | GPIO.26 | 26 | 205 | | 203 | 23 | GPIO.23 | ALT3 | 0 | 33 || 34 | | | GND | | | | 204 | 24 | GPIO.24 | OUT | 0 | 35 || 36 | 0 | ALT3 | GPIO.27 | 27 | 133 | | 132 | 25 | GPIO.25 | ALT3 | 0 | 37 || 38 | 0 | IN | GPIO.28 | 28 | 146 | | | | GND | | | 39 || 40 | 0 | IN | GPIO.29 | 29 | 147 | +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+ | CPU | wPi | Name | Mode | V | Physical | V | Mode | Name | wPi | CPU | +-----+-----+---------+------+---+- BPI-M3 -+---+------+---------+-----+-----+