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];
    uint8_t *pBuffer = buffer;
    *pBuffer++ = 0xA5;
    *pBuffer++ = command;
    *pBuffer++  = (value) & 0xFF;
    *pBuffer++  = (value >> 8 ) & 0xFF;
    *pBuffer++ = status;
    *pBuffer++  = checksum & 0xFF;
    *pBuffer++  = (checksum >> 8) & 0xFF;
    *pBuffer++  = (checksum >> 16) & 0xFF;
    *pBuffer++  = (checksum >> 24) & 0xFF;
    *pBuffer = 0x5A;
    pBuffer = buffer;
    printf("%d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer++);
    printf(" %d", *pBuffer);
    // 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;
}