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#include <Arduino.h>
#include <RF24.h>
#include "buttons.h"
#include "nrf24.h"
#include "display.h"
#define JAM_DURATION 500
extern SPIClass *RADIO_SPI;
extern RF24 radio1;
extern RF24 radio2;
void initNRF(RF24 &radio)
{
radio.begin(RADIO_SPI);
radio.setAutoAck(false);
radio.stopListening();
radio.setRetries(0, 0);
radio.setDataRate(RF24_2MBPS);
radio.setPALevel(RF24_PA_MAX);
radio.openWritingPipe(0xE7E7E7E7E7LL);
}
void jamChannels(const char* label, int startCh, int endCh) {
byte data1[32], data2[32];
for (int i = 0; i < 32; i++) {
data1[i] = random(0, 256);
data2[i] = random(0, 256);
}
for (int ch = startCh; ch <= endCh; ch++) {
// Status screen
u8g2.clearBuffer();
u8g2.drawStr(0, 10, "Jamming:");
u8g2.setCursor(60, 10);
u8g2.print(label);
u8g2.setCursor(0, 30);
u8g2.print("Channel: ");
u8g2.print(ch);
u8g2.sendBuffer();
unsigned long startTime = millis();
while (millis() - startTime < JAM_DURATION) {
radio1.setChannel(ch);
radio1.stopListening();
radio1.write(data1, sizeof(data1));
delayMicroseconds(100);
radio2.setChannel(ch);
radio2.stopListening();
radio2.write(data2, sizeof(data2));
delayMicroseconds(100);
}
}
}
void nrfJammerSweep()
{
static uint8_t ch1 = 0;
static uint8_t ch2 = 124;
uint8_t payload[32] = {0xFF};
radio1.setChannel(ch1);
radio1.writeFast(payload, sizeof(payload));
radio2.setChannel(ch2);
radio2.writeFast(payload, sizeof(payload));
ch1++;
ch2--;
if (ch1 > 124) ch1 = 0;
if (ch2 > 124) ch2 = 124;
}
void startNRFJammer()
{
initNRF(radio1);
initNRF(radio2);
Serial.println("NRF JAMMER STARTED");
// nrfJammerSweep();
jamChannels("Bluetooth", 0, 78);
if (btnBack())
{
Serial.println("Jammer stopped");
return;
}
delayMicroseconds(200);
}
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