23. Set Baud Rate Field in Control Register

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

#define UART_BAUD_POS 8

uint32_t set_baud_rate(uint32_t reg, uint8_t baud) {
    // Your code here
    //1. Clear bits
    reg &= ~(0x0F << UART_BAUD_POS);

    //3. Set the new value
    reg |= ((baud & 0x0F) << UART_BAUD_POS);

    return reg;
}

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