#include <stdio.h>
#include <stdint.h>
typedef struct {
uint8_t start;
uint8_t command;
uint16_t data;
uint8_t crc;
uint8_t end;
} Packet;
void print_packet_fields(uint8_t *buffer) {
// Overlay struct and print values
Packet p;
p.start= *buffer;
printf("Start: %d\n",p.start);
p.command= *(buffer+1);
printf("Command: %d\n",p.command);
p.data= *(buffer+2)+ (*(buffer+3)<<8);
printf("Data: %d\n",p.data);
p.crc= *(buffer+4);
printf("CRC: %d\n",p.crc);
p.end=*(buffer+5);
printf("End: %d",p.end);
}
int main() {
uint8_t buffer[6];
for (int i = 0; i < 6; i++) {
scanf("%hhu", &buffer[i]);
}
print_packet_fields(buffer);
return 0;
}
Input
165 1 52 18 119 90
Expected Output
Start: 165 Command: 1 Data: 4660 CRC: 119 End: 90