Bit Spreading Interleave Bits with Zeros

#include <stdio.h>
#include <stdint.h>

uint16_t spread_bits(uint8_t val) {
    uint16_t reg=0x00;
    for(int i=0 ;i<8 ;i++){
    if(val&1<<i){
        reg |= 1<<(2*i);
    }
    else{
        reg &= ~(1<<(2*i));
    }
    }
    return reg;
}

int main() {
    uint8_t val;
    scanf("%hhu", &val);

    uint16_t result = spread_bits(val);
    printf("%u", result);
    return 0;
}