25. Pack Multiple Fields into a 16-bit Control Register

#include <stdio.h>
#include <stdint.h>
#define setMode(reg,x) (reg|=((x&0x07)<<0))
#define setSpeed(reg,x) (reg|=((x&0x1F)<<3))
#define setStatus(reg,x) (reg|=((x&0x3F)<<10))
uint16_t pack_register(uint8_t mode, uint8_t speed, uint8_t status) {
    // Your logic here
uint16_t reg=0;
setMode(reg,mode);
setSpeed(reg,speed);
setStatus(reg,status);
return reg;  
}

int main() {
    uint8_t mode, speed, status;
    scanf("%hhu %hhu %hhu", &mode, &speed, &status);

    uint16_t reg = pack_register(mode, speed, status);
    printf("%u", reg);
    return 0;
}