#include "board.h" #include "io_expander.h" #include #include // AMOLED-1.8 also needs the XCA9554 IO expander up first — the display // and touch controllers stay in reset until EXIO0..1 go HIGH. extern "C" void board_init(void) { Wire.begin(IIC_SDA, IIC_SCL); io_expander_init(); }