LCOM1920-T5G03

#ifndef HLTP_H_INCLUDED

#define HLTP_H_INCLUDED

#include "uart.h"

typedef enum{

    hltp_type_invalid = 0x00,

    hltp_type_string  = 0x53

} hltp_type;

int hltp_send_string(const char *p);

hltp_type hltp_interpret(const uint8_t *p, const size_t sz, void **dest);

#endif //HLTP_H_INCLUDED

#include <lcom/lcf.h>

#include "hltp.h"

#include "uart.h"

static void* hltp_interpret_string(const uint8_t *p, const size_t sz){

    void *ret = malloc((sz+1)*sizeof(char));

    for(size_t i = 0; i < sz; ++i) ((char*)ret)[i] = p[i];

    ((char*)ret)[sz] = '\0';

    return ret;

}

int hltp_send_string(const char *p){

    uint8_t type = hltp_type_string;

    uint8_t* ptr[2]; ptr[0] = &type; ptr[1] = (uint8_t*)p;

    size_t    sz[2]; sz [0] =     1; sz [1] = strlen(p);

    return nctp_send(2, ptr, sz);

}

hltp_type hltp_interpret(const uint8_t *p, const size_t sz, void **dest){

    uint8_t ret = p[0];

    switch(ret){

        case hltp_type_string: *dest = hltp_interpret_string(p+1, sz-1); break;

        default: *dest = NULL; break;

    }

    return ret;

}