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];
    buffer[0] = 0xa5;
    buffer[1] = command;
    buffer[2] = value&0xFF;
    buffer[3] = (value&0xFF00)>>8;
    buffer[4] = status;
    for(int i=5;i<9;i++){
        buffer[i]= checksum&0xFF;
        checksum>>=8;
    }
    buffer[9]=0x5a;
    for(int i=0;i<10;i++) printf("%u ",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;
}