#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) { Packet Packet; Packet.start = *(buffer); Packet.command = *(buffer + 1); Packet.data = (uint16_t)(*(buffer + 3) << 8) | (*(buffer + 2)); Packet.crc = buffer[4]; Packet.end = buffer[5]; printf("Start: %u\n", Packet.start); printf("Command: %u\n", Packet.command); printf("Data: %d\n", Packet.data); printf("CRC: %d\n", Packet.crc); printf("End: %d", Packet.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