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@ -1,4 +1,5 @@
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/* Klient sluzby NBNS
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/* NBNS service client
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Pavel Brychta pablo@xpablo.cz
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*/
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#include "ESP8266NetBIOS.h"
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@ -24,65 +25,65 @@ extern "C" {
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#define LWIP_PLATFORM_HTONL(_n) ((u32_t)( (((_n) & 0xff) << 24) | (((_n) & 0xff00) << 8) | (((_n) >> 8) & 0xff00) | (((_n) >> 24) & 0xff) ))
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#endif
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// Definice struktury NBNS dotazu (alespon veci, ktere jsem vypozoroval):
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// NBNS query structure (at least things that I've discovered):
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struct NBNSQUESTION {
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uint16_t NBNSQ_ID; // ID dotazu
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uint16_t NBNSQ_ID; // query ID
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uint8_t NBNSQ_FLAGS1;
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uint8_t NBNSQ_FLAGS2;
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uint16_t NBNSQ_QUESTIONCOUNT;
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uint16_t NBNSQ_ANSWERCOUNT;
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uint16_t NBNSQ_AUTHORITYCOUNT;
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uint16_t NBNSQ_ADDITIONALRECORDCOUNT;
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uint8_t NBNSQ_NAMESIZE; // delka nasledujiciho retezce
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char NBNSQ_NAME[32+1]; // POZOR!!! mozna tato polozka muze byt ruzne dlouha
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uint8_t NBNSQ_NAMESIZE; // following string length
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char NBNSQ_NAME[32+1]; // CAUTION!!! maybe this entry is not of constant length
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uint16_t NBNSQ_TYPE;
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uint16_t NBNSQ_CLASS;
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} __attribute__((packed));
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// Definice struktury NBNS odpovedi (stejne jako u dotazu)
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// NBNS response structure (again at least things that I've discovered)
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struct NBNSANSWER {
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uint16_t NBNSA_ID; // ID dotazu
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uint16_t NBNSA_ID; // query ID
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uint8_t NBNSA_FLAGS1;
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uint8_t NBNSA_FLAGS2;
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uint16_t NBNSA_QUESTIONCOUNT;
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uint16_t NBNSA_ANSWERCOUNT;
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uint16_t NBNSA_AUTHORITYCOUNT;
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uint16_t NBNSA_ADDITIONALRECORDCOUNT;
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uint8_t NBNSA_NAMESIZE; // delka nasledujiciho retezce
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char NBNSA_NAME[32 + 1]; // POZOR!!! mozna tato polozka muze byt ruzne dlouha
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uint8_t NBNSA_NAMESIZE; // length of the following string
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char NBNSA_NAME[32 + 1]; // CAUTION!!! maybe this entry is not of constant length
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uint16_t NBNSA_TYPE;
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uint16_t NBNSA_CLASS;
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uint32_t NBNSA_TIMETOLIVE;
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uint16_t NBNSA_LENGTH;
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uint16_t NBNSA_NODEFLAGS; // POZOR!!! tady si nejsem moc jisty
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uint16_t NBNSA_NODEFLAGS; // CAUTION!!! I'm really not sure about this
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uint32_t NBNSA_NODEADDRESS;
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} __attribute__((packed));
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// Definice struktury NBNS odpovedi na dotaz na jmeno
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// structure of NBNS response to name query
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struct NBNSANSWERN {
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uint16_t NBNSAN_ID; // ID dotazu
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uint16_t NBNSAN_ID; // query ID
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uint8_t NBNSAN_FLAGS1;
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uint8_t NBNSAN_FLAGS2;
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uint16_t NBNSAN_QUESTIONCOUNT;
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uint16_t NBNSAN_ANSWERCOUNT;
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uint16_t NBNSAN_AUTHORITYCOUNT;
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uint16_t NBNSAN_ADDITIONALRECORDCOUNT;
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uint8_t NBNSAN_NAMESIZE; // delka nasledujiciho retezce
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char NBNSAN_NAME[32 + 1]; // POZOR!!! mozna tato polozka muze byt ruzne dlouha
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uint8_t NBNSAN_NAMESIZE; // length of the following string
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char NBNSAN_NAME[32 + 1]; // CAUTION!!! maybe this entry is not of constant length
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uint16_t NBNSAN_TYPE;
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uint16_t NBNSAN_CLASS;
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uint32_t NBNSAN_TIMETOLIVE;
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uint16_t NBNSAN_LENGTH;
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uint8_t NBNSAN_NUMBER; // number of names
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char NBNSAN_NNAME[15]; // jmeno nodu
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uint8_t NBNSAN_NTYPE; // typ jmena
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char NBNSAN_NNAME[15]; // node name
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uint8_t NBNSAN_NTYPE; // type of name
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uint16_t NBNSAN_NFLAGS; // node flags
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} __attribute__((packed));
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/** Metoda pro ziskani jmena z kodovani NETBIOS.
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* \param nbname Ukazatel na jmeno v NETBIOS kodovani.
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* \param name Ukazatel na misto, kam prevadime jmeno.
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* \param maxlen Maximalni pocet znaku v nbname.
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/** Method to get NETBIOS name encoding.
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* \param nbname Pointer to NETBIOS encoded name.
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* \param name Pointer where to decode the name.
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* \param maxlen Maximum of characters allowed in the nbname.
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*/
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void ESP8266NetBIOS::_getnbname(char *nbname, char *name, uint8_t maxlen)
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{
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@ -90,15 +91,15 @@ void ESP8266NetBIOS::_getnbname(char *nbname, char *name, uint8_t maxlen)
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uint8_t c = 0;
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while ((*nbname != 0x0) && (c < maxlen)) {
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b = (*nbname++ - 'A') << 4; // opravime nibble a prevedeme ho do vyssich bitu
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c++; // pocitame pocet odebranych bytu
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b = (*nbname++ - 'A') << 4; // correct the nibble and move it to upper bits
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c++; // removed byte counter
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if (*nbname != 0x0) {
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b |= *nbname++ - 'A'; // pridame nizsi nibble
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c++; // opet spocitame pocet odebranych znaku
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b |= *nbname++ - 'A'; // add lower nibble
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c++; // again removed byte counter
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}
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*name++ = b; // ulozime znak do vysledku a posuneme ukazatel
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*name++ = b; // store decoded character and bump pointer
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}
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*name = 0x0; // ulozime ukoncovaci 0
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*name = 0x0; // store trailing zero (made C character string)
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}
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/** Prevod zadaneho textu do NETBIOS kodovani
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@ -6,14 +6,11 @@ const char* ssid = "............";
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const char* password = "..............";
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ESP8266WebServer wwwserver(80);
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String content;
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const char PAGE[] PROGMEM = "<!DOCTYPE HTML>\n<html>Hello world from ESP8266<p></html>"
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static void handleRoot(void) {
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content = F("<!DOCTYPE HTML>\n<html>Hello world from ESP8266");
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content += F("<p>");
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content += F("</html>");
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wwwserver.send(200, F("text/html"), content);
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wwwserver.send_P(200, F("text/html"), PAGE);
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}
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void setup() {
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