#include <stdio.h>
#include <stdint.h>
typedef struct
{
uint8_t power_on : 1;
uint8_t error : 1;
uint8_t tx_ready : 1;
uint8_t rx_ready : 1;
uint8_t overheat : 1;
uint8_t undervoltage : 1;
uint8_t timeout : 1;
uint8_t researved: 1;
}status_reg_t;
typedef union
{
uint8_t reg;
status_reg_t sr;
}status_reg_u;
void decode_status(uint8_t status_reg)
{
status_reg_u u;
u.reg = status_reg;
if(u.sr.power_on)
{
printf("Power On\n");
}
if(u.sr.error)
{
printf("Error\n");
}
if(u.sr.tx_ready)
{
printf("Tx Ready\n");
}
if(u.sr.rx_ready)
{
printf("Rx Ready\n");
}
if(u.sr.overheat)
{
printf("Overheat\n");
}
if(u.sr.undervoltage)
{
printf("Undervoltage\n");
}
if(u.sr.timeout)
{
printf("Timeout\n");
}
if(u.sr.researved)
{
printf("Reserved\n");
}
}
int main() {
uint8_t reg;
scanf("%hhu", ®);
decode_status(reg);
return 0;
}
Solving Approach
Input
13
Expected Output
Power On Tx Ready Rx Ready