#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 = { .start = buffer[0], .command = buffer[1], .data = buffer[2] | (buffer[3] << 8), .crc = buffer[4], .end = buffer[5], }; printf("Start: %d\n", packet.start); printf("Command: %d\n", packet.command); printf("Data: %d\n", packet.data); printf("CRC: %d\n", packet.crc); printf("End: %d\n", 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