Construct UART Data Frame with Parity Bit

Code

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

#define even 0
#define odd 1
#define enable 1
#define disable 0

typedef struct{
    uint8_t parity_enable:1;    // enable = 1, disable = 0
    uint8_t parity_type:1;     // even = 1, odd = 0
    uint8_t reserved:6;         // reserved bits
}UART_Parity; 

uint8_t Create_UARTframe(uint8_t data,UART_Parity *ctrl){
    uint8_t tmp = data; 
    uint8_t sum = 0;
    uint8_t parity; 
    for(uint8_t i =0; i<8; i++){
        sum += tmp & 0x1;
        tmp >>= 1; 
    }
    if(ctrl->parity_enable == disable){
        return data; 
    }
    else if(ctrl->parity_enable == enable){
        if(ctrl->parity_type == even){
            if(sum%2){
                parity = 1;
            }
            else{
                parity = 0;
            }
        }
        else if(ctrl->parity_type == odd){
            if(sum%2){
                parity = 0;
            }
            else{
                parity = 1;
            }
        }
    }
    data = data | (parity<<7); 
    return data; 
}

int main(){
    uint8_t data; 
    uint8_t parity_enable, parity_type; 
    UART_Parity uart_handle; 
    scanf("%hhu %hhu %hhu",&data , &parity_enable, &parity_type); 
    uart_handle.parity_enable = parity_enable; 
    uart_handle.parity_type = parity_type; 
    data = Create_UARTframe(data, &uart_handle); 
    printf("frame = 0x%02X",data); 
    return 0;
}

Solving Approach