Set Baud Rate Field in Control Register

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

uint32_t set_baud_rate(uint32_t reg, uint8_t baud) {
    // Clear bits 8 to 11 (baud rate field)
        reg &= ~(0xF << 8);

            // Mask baud to 4 bits, shift it to position 8, and insert
                reg |= (baud & 0xF) << 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;
                                        }