23. Set Baud Rate Field in Control Register

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

uint32_t set_baud_rate(uint32_t reg, uint8_t baud) {
    // Your code here
    //1. Clear bits at position 8-11 (len 4)
    //1.1 Create a 4 bit mask (1111) and shift into position 
    uint32_t mask = (0x0F << 8);
    //printf("Reg before: %b\n", reg);
    reg &= ~mask;
    //2. Assign baud bits at 8
    reg |= baud << 8;


    return reg;
}

int main() {
    uint32_t reg;
    uint8_t baud;
    scanf("%u %hhu", &reg, &baud);
    printf("%u", set_baud_rate(reg, baud));
    return 0;
}