#include "u8g2/u8g2.h" uint8_t u8g2_gpio_and_delay_stm32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr); uint8_t u8x8_hw_spi_stm32(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);