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) {
    uint32_t mask = ((1 << (11 - 8 + 1)) - 1) << 8; 
   // printf("%b\n",~mask);
    reg &= ~mask;
   // printf("%b\n",reg);
    reg |= baud << 8;
   // printf("%b\n",reg);
    return reg;
}

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