#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 node; int i=0; node.start=buffer[i++]; node.command=buffer[i++]; node.data|=buffer[i++]; node.data|=buffer[i++]<<8; node.crc=buffer[i++]; node.end=buffer[i]; printf("Start: %u\n",node.start); printf("Command: %u\n",node.command); printf("Data: %lu\n",node.data); printf("CRC: %u\n",node.crc); printf("End: %u\n",node.end); } int main() { uint8_t buffer[6]; for (int i = 0; i < 6; i++) { scanf("%hhu", &buffer[i]); } print_packet_fields(buffer); return 0; }
Test Cases
Test Results
Input
165 1 52 18 119 90
Expected Output
Start: 165 Command: 1 Data: 4660 CRC: 119 End: 90