#ifndef __MORSE_H__ #define __MORSE_H__ #include #include typedef struct SPI { io_pin_t clock; io_pin_t data_out; io_pin_t data_in; io_pin_t chip_select; } spi_t; void initialize_spi(spi_t *spi); uint8_t transfer_byte(spi_t *spi, uint8_t output); #endif