#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
int count=0;
int result;
if(ctrl->parity_enable ==0)
{
return data;
}
else if(ctrl->parity_enable ==1)
{
for(int i=0; i<=7; i++)
{
if((data & (1<<i)))
count++;
}
// printf("%d", count);
if((ctrl->parity_type ==0) )
{
if(count%2 ==0)
ctrl->parity_type =0;
else
ctrl->parity_type =1;
}
else if (ctrl->parity_type ==1)
{
if(count%2 ==0)
ctrl->parity_type =1;
else
ctrl->parity_type =0;
}
// result |= data;
//data |= ctrl->parity_enable<<8;
data |= ctrl->parity_type<< 7;
// printf("data %d", 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