#include <stdio.h> #include <stdint.h> void build_packet(uint8_t command, uint16_t value, uint8_t status, uint32_t checksum) { uint8_t buffer[10]; int val_h,val_l,check1,check2,check3,check4; val_h= (value & 0xff00)>>8; val_l=value & 0x00ff; check1 = checksum & 0x000000ff; check2 = (checksum & 0x0000ff00)>>8; check3 = (checksum & 0x00ff0000)>>16; check4 = (checksum & 0xff000000)>>24; buffer[0]=0xA5; buffer[1]=command; buffer[2]=val_l; buffer[3]=val_h; buffer[4]=status; buffer[5]=check1; buffer[6]=check2; buffer[7]=check3; buffer[8]=check4; buffer[9]=0x5A; for(int i=0;i<10;i++) { printf("%d ",buffer[i]); } // Your logic to fill buffer // Then print buffer } int main() { uint8_t cmd, status; uint16_t val; uint32_t crc; scanf("%hhu %hu %hhu %u", &cmd, &val, &status, &crc); build_packet(cmd, val, status, crc); return 0; }
Test Cases
Test Results
Input
1 4660 1 2864434397
Expected Output
165 1 52 18 1 221 204 187 170 90