#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) {
// Your logic here
uint8_t ex;
int count=0;
if(ctrl->parity_enable == 1){
int i;
for(i=0;i<8;i++){
ex = (data>>i) & 0x01;
if(ex) count++;
//printf("%d",count);
}
if(count%2 == 0 && count != 0 && count != 2){
ctrl->parity_type = 0;
data |= 0x00;
//printf("%x",data);
}
else {
ctrl->parity_type =1;
data |= 0x80;
//printf("hello");
}
}
else {
//printf("hello");
data |= 0x00;
}
//printf("0x%02X",data);
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;
}
Input
85 1 0
Expected Output
frame = 0x55