#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 count = 0;
//Enable_parity
if(!(ctrl->parity_enable)) {
data = data & ~(1 << 7);
}
//Odd_parity
if(ctrl->parity_enable) {
for(int i = 0; i < 7; i++) {
if(((data >> i) & 1) != 0){
count++;
}
}
//Even_parity
if(!(ctrl->parity_type)) {
if(!(count%2)) {
data = data & ~(1 << 7);
}
else {
data = data | (1 <<7);
}
}
//Odd_parity
if(ctrl->parity_type) {
if(count%2) {
data = data & ~(1 << 7);
}
else {
data = data | (1 <<7);
}
}
}
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