45. 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]={0xA5, command, value&0xFF, (value&0xFF00)>>8, status, checksum&0xff, (checksum&0xff00)>>8, (checksum&0xff0000)>>16, (checksum&0xff000000)>>24, 0x5A};

    // Your logic to fill buffer
    // Then print buffer
    for(int 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;
}