Colony

#define DOUBLE_SCK 1

#define SPR0_BIT 1

#define LSB 1

#define MSB 0

#define MASTER 1

#define SLAVE 0

#define SPI_SENDING 1

#define SPI_VOID 0

#define size_t int

typedef void (*spi_fun_recv_t)(char);

typedef void (*spi_fun_send_t)(char);

int spi_init(char mode, spi_fun_send_t send_func, spi_fun_recv_t recv_func);

int spi_send(char *data, size_t bytes);