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];
    buffer[0]=(uint8_t)(0xA5);
    buffer[9]=(uint8_t)(0x5A);
    buffer[1]=(uint8_t)command;
    buffer[2]=(uint8_t)(value & 0xFF);
    buffer[3]=(uint8_t)((value & 0xFF00) >> 8);
    buffer[4]=status;
    buffer[8]=(uint8_t)((checksum >> 24) & 0xFF);
    buffer[7]=(uint8_t)((checksum >> 16) & 0xFF) ;
    buffer[6]=(uint8_t)((checksum >> 8) & 0xFF);
    buffer[5]=(uint8_t)((checksum) & 0xFF);
        // 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;
}