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[1]=command;
    buffer[2]=value&0xFF; //lower byte first
    buffer[3]=(value>>8)&0xFF;
    buffer[4]=status;   
    int m=0;
    for(int i=5;i<9;i++){
        buffer[i]=(checksum>>m)&0xFF;
        m+=8;
    }
    buffer[9]=0x5A;
    for(int i=0;i<10;i++){
        printf("%d",buffer[i]);
        if(i<9)printf(" ");
    }
}


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;
}