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Serialized Data Buffer

Code

#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];
    int val_h,val_l,check1,check2,check3,check4;

    val_h= (value & 0xff00)>>8;
    val_l=value & 0x00ff;

    check1 = checksum & 0x000000ff;
    check2 = (checksum & 0x0000ff00)>>8;
    check3 = (checksum & 0x00ff0000)>>16;
    check4 = (checksum & 0xff000000)>>24;

    buffer[0]=0xA5;
    buffer[1]=command;
    buffer[2]=val_l;
    buffer[3]=val_h;
    buffer[4]=status;
    buffer[5]=check1;
    buffer[6]=check2;
    buffer[7]=check3;
    buffer[8]=check4;
    buffer[9]=0x5A;

    for(int i=0;i<10;i++)
    {
        printf("%d ",buffer[i]);
    }
    // Your logic to fill buffer
    // Then print buffer
}

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;
}

Solving Approach

 

 

 

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Input

1 4660 1 2864434397

Expected Output

165 1 52 18 1 221 204 187 170 90