Construct UART Data Frame with Parity Bit

Code

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

typedef struct {
    uint8_t parity_enable : 1;
    uint8_t parity_type   : 1;
    uint8_t reserved      : 6;
} UART_Control;

uint8_t create_uart_frame(uint8_t data, UART_Control *ctrl) {
    int count=0;
    if(ctrl->parity_enable==0) // parity disabled
    {
        return data;
    }
    else
    {
        for(int i=0;i<7;i++)
        {
            if((data>>i)&0x01==1)
            {
                count++;
            }
        }

       if(ctrl->parity_type==0)
       {

            if(count%2==0)
            {
                data=data|0x00;
            }
            else
            {
                data=data|0x80;
            }

       }
       else
       {
            if(count%2==0)
            {
                 data=data|0x80;
            }
            else
            {
                data=data|0x0;
            }
       }
    }
    return data;
}

int main() {
    uint8_t data;
    scanf("%hhu", &data);  // 7-bit input

    uint8_t parity_enable, parity_type;
    scanf("%hhu %hhu", &parity_enable, &parity_type);

    UART_Control ctrl;
    ctrl.parity_enable = parity_enable;
    ctrl.parity_type = parity_type;

    uint8_t frame = create_uart_frame(data, &ctrl);
    printf("frame = 0x%02X", frame);

    return 0;
}

Solving Approach