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