| 1 | #include <Arduino.h> |
| 2 | #include <RF24.h> |
| 3 | #include "buttons.h" |
| 4 | #include "nrf24.h" |
| 5 | #include "display.h" |
| 6 | #define JAM_DURATION 500 |
| 7 | |
| 8 | extern SPIClass *RADIO_SPI; |
| 9 | extern RF24 radio1; |
| 10 | extern RF24 radio2; |
| 11 | |
| 12 | void initNRF(RF24 &radio) |
| 13 | { |
| 14 | radio.begin(RADIO_SPI); |
| 15 | |
| 16 | radio.setAutoAck(false); |
| 17 | radio.stopListening(); |
| 18 | |
| 19 | radio.setRetries(0, 0); |
| 20 | radio.setDataRate(RF24_2MBPS); |
| 21 | radio.setPALevel(RF24_PA_MAX); |
| 22 | |
| 23 | radio.openWritingPipe(0xE7E7E7E7E7LL); |
| 24 | } |
| 25 | |
| 26 | |
| 27 | void jamChannels(const char* label, int startCh, int endCh) { |
| 28 | byte data1[32], data2[32]; |
| 29 | for (int i = 0; i < 32; i++) { |
| 30 | data1[i] = random(0, 256); |
| 31 | data2[i] = random(0, 256); |
| 32 | } |
| 33 | |
| 34 | for (int ch = startCh; ch <= endCh; ch++) { |
| 35 | // Status screen |
| 36 | u8g2.clearBuffer(); |
| 37 | u8g2.drawStr(0, 10, "Jamming:"); |
| 38 | u8g2.setCursor(60, 10); |
| 39 | u8g2.print(label); |
| 40 | u8g2.setCursor(0, 30); |
| 41 | u8g2.print("Channel: "); |
| 42 | u8g2.print(ch); |
| 43 | u8g2.sendBuffer(); |
| 44 | |
| 45 | unsigned long startTime = millis(); |
| 46 | while (millis() - startTime < JAM_DURATION) { |
| 47 | radio1.setChannel(ch); |
| 48 | radio1.stopListening(); |
| 49 | radio1.write(data1, sizeof(data1)); |
| 50 | delayMicroseconds(100); |
| 51 | |
| 52 | radio2.setChannel(ch); |
| 53 | radio2.stopListening(); |
| 54 | radio2.write(data2, sizeof(data2)); |
| 55 | delayMicroseconds(100); |
| 56 | |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | |
| 62 | void nrfJammerSweep() |
| 63 | { |
| 64 | static uint8_t ch1 = 0; |
| 65 | static uint8_t ch2 = 124; |
| 66 | |
| 67 | uint8_t payload[32] = {0xFF}; |
| 68 | |
| 69 | radio1.setChannel(ch1); |
| 70 | radio1.writeFast(payload, sizeof(payload)); |
| 71 | |
| 72 | radio2.setChannel(ch2); |
| 73 | radio2.writeFast(payload, sizeof(payload)); |
| 74 | |
| 75 | ch1++; |
| 76 | ch2--; |
| 77 | |
| 78 | if (ch1 > 124) ch1 = 0; |
| 79 | if (ch2 > 124) ch2 = 124; |
| 80 | } |
| 81 | |
| 82 | void startNRFJammer() |
| 83 | { |
| 84 | initNRF(radio1); |
| 85 | initNRF(radio2); |
| 86 | |
| 87 | Serial.println("NRF JAMMER STARTED"); |
| 88 | // nrfJammerSweep(); |
| 89 | jamChannels("Bluetooth", 0, 78); |
| 90 | |
| 91 | |
| 92 | if (btnBack()) |
| 93 | { |
| 94 | Serial.println("Jammer stopped"); |
| 95 | return; |
| 96 | } |
| 97 | |
| 98 | delayMicroseconds(200); |
| 99 | } |