Serialized Data Buffer

#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 i;
    buffer[0]=0xA5;
     buffer[1]=command;
      buffer[2]=value&0xFF;
       buffer[3]=value>>8;
       buffer[4]=status;
        buffer[5]=(checksum & 0xFF);
        buffer[6]=(checksum>>8)&0xFF;
        buffer[7]=(checksum>>16)&0xFF;
        buffer[8]=(checksum>>24)&0xFF;
         buffer[9]=0x5A;
    for(i=0;i<10;i++){
        printf("%d ",buffer[i]);
    }

}

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;
}