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];

    // Your logic to fill buffer
    // Then print buffer
    buffer [0]=0xA5;
    buffer[9]=0x5A;
    buffer [1]= command;
    buffer [2]= value;
    buffer[3]= (value >>8 )& 0xFF;
    buffer [4]= status;
    buffer [5]=checksum;
    buffer [6]= (checksum>>8 )& 0xFF;
    buffer[7]= (checksum >>16 )& 0xFF;
    buffer[8]= (checksum>>24)& 0xFF;

    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;
}