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