Форум РадиоКот

Код: Выделить всё

// Функция для определения пиковое значение в заданном буфере
int calculateEnergy(const uint8_t* buffer, int size) {
    int energy = 0;
    for (int i = 0; i < size; ++i) {
       if (buffer[i] > energy) {energy = buffer[i];}
   }
    return energy; // пиковое значение в заданном буфере
}

Код: Выделить всё

// Функция для преобразования 8 бит к 16 бит в заданном буфере
void calculateEnergy(int size) {
    for (int i = 0; i < size; ++i) {
        buffer[i] = (buffer[i] <<4);
    }
 }

Код: Выделить всё

void loop() {
  if (digitalRead(btnStart) == LOW) {
    digitalWrite(ledStart, HIGH);
    if (bufByteCount == 32 && bufWrite == 1) {
      // Assuming buf01 contains your audio data
      modifyUdpHeader(buf01, sizeof(buf01));

      // Send the modified UDP packet
      myGsm.write(buf01, sizeof(buf01));
    }

    // Rest of your code...
  } else {
    digitalWrite(ledStart, LOW);
  }
}

void modifyUdpHeader(byte* buffer, int bufferSize) {
  // Assuming the UDP header is 8 bytes long
  const int udpHeaderSize = 8;

  // Modify the UDP header fields as needed
  // Example: Set source port to 1234 (2 bytes)
  buffer[0] = 0x04;
  buffer[1] = 0xD2;

  // Example: Set destination port to 5678 (2 bytes)
  buffer[2] = 0x16;
  buffer[3] = 0xE6;

  // Add more modifications as needed...

  // Calculate new checksum if needed
  // Example: Set checksum to 0 (2 bytes)
  buffer[6] = 0x00;
  buffer[7] = 0x00;
}

Код: Выделить всё

////////////////////////////////////////////////////////////////////////////UDP:
//unsigned char UDP[]={        // 60   
//Destination MAC:             // 0...5
//0xff,0xff,0xff,0xff,0xff,0xff,             
//Source MAC:                  // 6...11
//0x00,0x08,0xdc,0x01,0x02,0x03,          
//Type:  
//0x08,0x00,                   // 12,13- Type: IP (0x0800) 
/////////////////////////////////////////////// Protocol IP: 20 bytes
//0x45,                        // 14-    Version: 4, Header length: 20 bytes
//0x00,                        // 15-    Differentiated Services Field...
//(Total Length = Protocol IP(20) + Protocol UDP(8) + Data(18) = 46)
//0x00,0x2e,                   // 16,17- Total Length: 46 
//0x00,0x00,                   // 18,19- Identification: 0 
//0x00,0x00,                   // 20,21- Fragment offset: Don't fragment: 0
//0x40,                        // 22-    Time to live: 64
//0x11,                        // 23-    Protocol: UDP (17)
//0x00,0x00,                   // 24,25- Header checksum IP: // начальное =0 
//192,168,0,3,                 // 26...29- Source IP:     
//192,168,0,101,               // 30...33- Destination IP:  
/////////////////////////////////////////////// Protocol UDP
//0x00,0x50,                   // 34,35-  Source port: 80 
//0x00,0x50,                   // 36,37-  Destination port: 80
//(Length = Protocol UDP(8) + Data(18) = 26)
//0x00,0x1a,                   // 38,39-  Length: 26
//0x00,0x00,                   // 40,41-  checksum UDP: // начальное =0         
/////////////////////////// 42...59- Padding(18 bytes): 
//0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  
//0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
//0x00, 0x00
//};     

Код: Выделить всё

void loop() {
    if (bufByteCount == 32 && bufWrite == 1)
  {
    myGsm.write(buf01, sizeof(buf01));
   }
   if (bufByteCount == 32 && bufWrite == 0)
  {
       myGsm.write(buf00,sizeof(buf00)); 
   }
   
} //loop