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UI Spectrum + BT and Compass Fixes

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This commit is contained in:
Egor
2025-01-30 20:14:53 -08:00
parent c3ab8859b6
commit ffa84ae26f
8 changed files with 486 additions and 70 deletions
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10
lib/loraboards/LoRaBoards.cpp
View File

@@ -111,7 +111,7 @@ HardwareSerial SerialGPS(GPS_RX_PIN, GPS_TX_PIN);
#include "driver/gpio.h"
#endif // ARDUINO_ARCH_ESP32
DISPLAY_MODEL *u8g2 = NULL;
// DISPLAY_MODEL *u8g2 = NULL;
static DevInfo_t devInfo;
#ifdef HAS_GPS
@@ -530,6 +530,7 @@ void loopPMU()
bool beginDisplay()
{
/**
Wire.beginTransmission(DISPLAY_ADDR);
if (Wire.endTransmission() == 0)
{
@@ -552,7 +553,7 @@ bool beginDisplay()
}
Serial.printf("Warning: Failed to find Display at 0x%0X address\n", DISPLAY_ADDR);
return false;
return false;*/
}
bool beginSDCard()
@@ -847,7 +848,7 @@ void printResult(bool radio_online)
Serial.println((psramFound()) ? "+" : "-");
Serial.print("Display : ");
Serial.println((u8g2) ? "+" : "-");
// Serial.println((u8g2) ? "+" : "-");
#ifdef HAS_SDCARD
Serial.print("Sd Card : ");
@@ -866,7 +867,7 @@ void printResult(bool radio_online)
#endif
#endif
if (u8g2)
/*if (u8g2)
{
u8g2->clearBuffer();
@@ -895,6 +896,7 @@ void printResult(bool radio_online)
delay(2000);
}
*/
#endif
}

8
lib/loraboards/LoRaBoards.h
View File

@@ -23,12 +23,12 @@
#include <Arduino.h>
#include <SPI.h>
#include <U8g2lib.h>
// #include <U8g2lib.h>
#include <Wire.h>
#include <XPowersLib.h>
#ifndef DISPLAY_MODEL
#define DISPLAY_MODEL U8G2_SSD1306_128X64_NONAME_F_HW_I2C
// #define DISPLAY_MODEL U8G2_SSD1306_128X64_NONAME_F_HW_I2C
#endif
#ifndef OLED_WIRE_PORT
@@ -57,7 +57,7 @@ typedef struct
uint8_t flashSpeed;
} DevInfo_t;
void setupBoards(bool disable_u8g2 = false);
void setupBoards(bool disable_u8g2 = true);
bool beginSDCard();
@@ -81,7 +81,7 @@ void loopPMU();
extern XPowersLibInterface *PMU;
extern bool pmuInterrupt;
#endif
extern DISPLAY_MODEL *u8g2;
// extern DISPLAY_MODEL *u8g2;
#define U8G2_HOR_ALIGN_CENTER(t) ((u8g2->getDisplayWidth() - (u8g2->getUTF8Width(t))) / 2)
#define U8G2_HOR_ALIGN_RIGHT(t) (u8g2->getDisplayWidth() - u8g2->getUTF8Width(t))

4
lib/loraboards/utilities.h
View File

@@ -413,7 +413,7 @@
#define __HAS_SENSOR__
#define PMU_WIRE_PORT Wire1
#define DISPLAY_MODEL U8G2_SH1106_128X64_NONAME_F_HW_I2C
// #define DISPLAY_MODEL U8G2_SH1106_128X64_NONAME_F_HW_I2C
#define BOARD_VARIANT_NAME "T-Beam S3"
#elif defined(T_MOTION_S76G)
@@ -545,7 +545,7 @@
#define __HAS_SENSOR__
#define PMU_WIRE_PORT Wire
#define DISPLAY_MODEL U8G2_SH1106_128X64_NONAME_F_HW_I2C
// #define DISPLAY_MODEL U8G2_SH1106_128X64_NONAME_F_HW_I2C
#define BOARD_VARIANT_NAME "T-Beam BPF"
#else

2
lib/radio/radio.h
View File

@@ -13,7 +13,7 @@ struct RadioModule
virtual float getRSSI() = 0;
};
#ifdef USING_SX1262
#ifndef USING_SX1262_no
struct SX1262Module : RadioModule
{
SX1262 *_radio;

46
platformio.ini
View File

@@ -250,7 +250,7 @@ build_flags =
-DARDUINO_LILYGO_T3_S3_V1_X
-DARDUINO_USB_MODE=1
[env:lilygo-T3S3-v1-2-lr1121-900-compass]
[env:lilygo-T3S3-v1-2-lr1121-900-BT]
platform = espressif32
board = t3_s3_v1_x
framework = arduino
@@ -264,16 +264,48 @@ lib_deps =
U8g2
XPowersLib
h2zero/NimBLE-Arduino
https://github.com/Genaker/Adafruit_HMC5883_Unified
build_flags =
-lbt
build_flags =
-DLILYGO
-DT3_S3_V1_2_LR1121
-DARDUINO_LILYGO_T3S3_LR1121
-DESP32
-DSAMPLES_RSSI=5
-DUSING_LR1121
-DSCAN_RBW_FACTOR=2
-DINIT_FREQ=900
-DFREQ_BEGIN=830
-DFREQ_END=945
-DFREQ_RX=2440
-DARDUINO_ARCH_ESP32
-DARDUINO_USB_CDC_ON_BOOT=1
-DARDUINO_LILYGO_T3_S3_V1_X
-DARDUINO_USB_MODE=1
-DBT_MOBILE
[env:lilygo-T3S3-v1-2-lr1121-900-compass]
platform = espressif32
board = t3_s3_v1_x
framework = arduino
upload_speed = 1500000
monitor_speed = 115200
board_build.f_cpu = 240000000
board_build.partitions = min_spiffs.csv
board_build.filesystem = littlefs
lib_deps =
ropg/Heltec_ESP32_LoRa_v3@^0.9.1
RadioLib
XPowersLib
h2zero/NimBLE-Arduino
https://github.com/Genaker/Adafruit_HMC5883_Unified
build_flags =
-lbt
-Og -ggdb3
-DLILYGO
-DT3_S3_V1_2_LR1121
-DARDUINO_LILYGO_T3S3_LR1121
-DESP32
-DSAMPLES_RSSI=2
-DUSING_LR1121
-DSCAN_RBW_FACTOR=1
-DINIT_FREQ=900
-DFREQ_BEGIN=800
-DFREQ_END=950
@@ -284,9 +316,11 @@ build_flags =
-DARDUINO_USB_MODE=1
-DCOMPASS_ENABLED
-DCOMPASS_FREQ=915
-DCOMPASS_DEBUG
-DCOMPASS_DEBUG2
-DCOMPASS_RSSI
-DBT_MOBILE
-DBT_RSSI
-DBT_NM
[env:lilygo-T3S3-v1-2-sx1280]
platform = espressif32

170
src/main.cpp
View File

@@ -63,19 +63,38 @@
#include <stdlib.h>
#ifdef BT_MOBILE
#include "esp_task_wdt.h"
#include <NimBLEDevice.h>
#define LOG_LOCAL_LEVEL ESP_LOG_VERBOSE
#include "esp_log.h"
bool deviceConnected = false;
#define SERVICE_UUID "00001234-0000-1000-8000-00805f9b34fb"
#define CHARACTERISTIC_UUID "00001234-0000-1000-8000-00805f9b34ac"
#ifndef BT_NM
#include <BLE2902.h>
#include <BLEDevice.h>
#include <BLEServer.h>
#include <BLEUtils.h>
BLEServer *pServer = NULL;
BLECharacteristic *pCharacteristic = NULL;
BLEAdvertising *pAdvertising = NULL;
class MyServerCallbacks : public BLEServerCallbacks
{
void onConnect(BLEServer *pServer) { deviceConnected = true; };
void onDisconnect(BLEServer *pServer)
{
deviceConnected = false;
BLEDevice::startAdvertising(); // Restart advertising after disconnect
}
};
#else
#include <NimBLEDevice.h>
NimBLEServer *pServer = nullptr;
NimBLECharacteristic *pCharacteristic = nullptr;
NimBLEAdvertising *pAdvertising = nullptr;
bool deviceConnected = false;
#define SERVICE_UUID "00001234-0000-1000-8000-00805f9b34fb"
#define CHARACTERISTIC_UUID "00001234-0000-1000-8000-00805f9b34ac"
class BTServerCallbacks : public NimBLEServerCallbacks
{
@@ -86,13 +105,7 @@ class BTServerCallbacks : public NimBLEServerCallbacks
Serial.printf("Device Connected | Free Heap: %d kByte\n",
ESP.getFreeHeap() / 1000);
Serial.printf("Client address: %s\n", connInfo.getAddress().toString().c_str());
/**
* We can use the connection handle here to ask for different connection
* parameters. Args: connection handle, min connection interval, max connection
* interval latency, supervision timeout. Units; Min/Max Intervals: 1.25
* millisecond increments. Latency: number of intervals allowed to skip. Timeout:
* 10 millisecond increments.
*/
pServer->updateConnParams(connInfo.getConnHandle(), 24, 48, 0, 180);
}
@@ -111,7 +124,6 @@ class BTServerCallbacks : public NimBLEServerCallbacks
}
} BTServerCallbacks;
/** Handler class for characteristic actions */
class CharacteristicCallbacks : public NimBLECharacteristicCallbacks
{
void onRead(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo) override
@@ -128,16 +140,14 @@ class CharacteristicCallbacks : public NimBLECharacteristicCallbacks
pCharacteristic->getValue().c_str());
}
/**
* The value returned in code is the NimBLE host return code.
*/
void onStatus(NimBLECharacteristic *pCharacteristic, int code) override
{
#ifdef COMPASS_DEBUG
Serial.printf("Notification/Indication return code: %d, %s\n", code,
NimBLEUtils::returnCodeToString(code));
#endif
}
/** Peer subscribed to notifications/indications */
void onSubscribe(NimBLECharacteristic *pCharacteristic, NimBLEConnInfo &connInfo,
uint16_t subValue) override
{
@@ -167,7 +177,6 @@ class CharacteristicCallbacks : public NimBLECharacteristicCallbacks
}
} chrCallbacks;
/** Handler class for descriptor actions */
class DescriptorCallbacks : public NimBLEDescriptorCallbacks
{
void onWrite(NimBLEDescriptor *pDescriptor, NimBLEConnInfo &connInfo) override
@@ -182,11 +191,11 @@ class DescriptorCallbacks : public NimBLEDescriptorCallbacks
}
} dscCallbacks;
#endif
void initBT()
{
esp_log_level_set("*", ESP_LOG_VERBOSE);
ESP_LOGI("DEBUG", "Starting ESP32 Debugging...");
#ifdef BT_NM
// Initialize BLE device
NimBLEDevice::init("RSSI_Radar");
@@ -230,6 +239,30 @@ void initBT()
pAdvertising->start();
Serial.println("BLE server started.");
#else
BLEDevice::init("ESP32_RADAR");
pServer = BLEDevice::createServer();
pServer->setCallbacks(new MyServerCallbacks());
BLEService *pService = pServer->createService(SERVICE_UUID);
pCharacteristic = pService->createCharacteristic(
CHARACTERISTIC_UUID, BLECharacteristic::PROPERTY_READ |
BLECharacteristic::PROPERTY_WRITE |
BLECharacteristic::PROPERTY_NOTIFY);
pCharacteristic->setValue("Hello from ESP32");
pService->start();
pAdvertising = BLEDevice::getAdvertising();
pAdvertising->addServiceUUID(SERVICE_UUID);
pAdvertising->setScanResponse(true);
pAdvertising->setMinInterval(300);
pAdvertising->setMaxInterval(350);
BLEDevice::startAdvertising();
Serial.println("BLE server is ready!");
#endif
}
// Function to send RSSI and Heading Data
@@ -237,7 +270,10 @@ void sendBTData(float heading, float rssi)
{
String data =
"RSSI_HEADING: '{H:" + String(heading) + ",RSSI:-" + String(rssi) + "}'";
#ifdef COMPASS_DEBUG
Serial.println("Sending data: " + data);
#endif
pCharacteristic->setValue(data.c_str()); // Set BLE characteristic value
pCharacteristic->notify(); // Notify connected client
}
@@ -381,7 +417,7 @@ void displaySensorDetails(void)
Serial.println(" uT");
Serial.println("------------------------------------");
Serial.println("");
delay(500);
heltec_delay(500);
}
// Variables for dynamic calibration
@@ -925,7 +961,7 @@ int16_t initForScan(float freq)
// LR1121 TCXO Voltage 2.85~3.15V
radio.setTCXO(3.0);
delay(1000);
heltec_delay(1000);
#else
state = radio.beginFSK(freq);
#endif
@@ -947,7 +983,7 @@ A:
Serial.print(F("Failed to start receive mode, error code: "));
display.drawString(0, 64 - 10, "E:startReceive");
display.display();
delay(2000);
heltec_delay(2000);
Serial.println(state);
gotoAcounter++;
if (gotoAcounter < 5)
@@ -1071,6 +1107,7 @@ void init_radio()
if (config.radio2.enabled && config.radio2.module.equalsIgnoreCase("SX1262"))
{
radio2 = new SX1262Module(config.radio2);
state = radio2->beginScan(CONF_FREQ_BEGIN, BANDWIDTH, RADIOLIB_SHAPING_NONE);
if (state == RADIOLIB_ERR_NONE)
@@ -1286,7 +1323,6 @@ void draw360Scale(int start = 0, int end = 360, int width = 128, int height = 64
for (int x = 0; x <= width; x += stepPixel)
{
// int x = map(i, start, end, 0, scaleLength);
Serial.println("Tick: " + String(x));
if (x == 128)
{
x = x - 1;
@@ -2353,11 +2389,12 @@ float getCompassHeading()
{
calStart = millis();
}
#ifdef COMPASS_ENABLED
/* Get a new sensor event */
sensors_event_t event2;
mag.getEvent(&event2);
sensors_event_t event3;
mag.getEvent(&event3);
#ifdef COMPASS_DEBUG
/* Display the results (magnetic vector values are in micro-Tesla (uT)) */
@@ -2389,9 +2426,9 @@ float getCompassHeading()
// Dynamicly Calibrated out
// Read raw magnetometer data
float x = event2.magnetic.x;
float y = event2.magnetic.y;
float z = event2.magnetic.z;
float x = (event2.magnetic.x + event3.magnetic.x) / 2;
float y = (event2.magnetic.y + event3.magnetic.y) / 2;
float z = (event2.magnetic.z + event3.magnetic.z) / 2;
// Doing calibration first 1 minute
if (millis() - calStart < 60000)
@@ -2446,7 +2483,6 @@ float getCompassHeading()
// Convert radians to degrees for readability.
float headingDegrees = heading * 180 / M_PI;
return headingDegrees;
#endif
}
#endif
@@ -2483,6 +2519,51 @@ void loop(void)
doScan();
reportScan();
}
#ifdef BT_MOBILE
#ifdef BT_RSSI
while (true)
{
float startFreq = FREQ_BEGIN - 0.5; // Start 2 MHz left
float endFreq = FREQ_END + 0.5; // End 2 MHz right
float step = 0.5; // Step size in MHz
float rssi = -122;
float rssiMax = -999;
for (float freq = startFreq; freq <= endFreq; freq += step)
{
setFrequency(freq);
// Serial.println("COMPASS FREQ SET: " + String(freq));
// heltec_delay(5);
#ifdef USING_LR1121
radio.getRssiInst(&rssi);
#else
rssi = getRssi(false);
#endif
if (rssi > rssiMax)
{
rssiMax = rssi;
}
Serial.println("RSSI: " + String(freq) + ":" + String(rssiMax));
// String p = _scan_result_str(m.payload.dump, 10);
if (pServer && pServer->getConnectedCount())
{
String str = "RSSI:TEST";
if (pCharacteristic)
{
pCharacteristic->setValue(
str.c_str()); // Set BLE characteristic value
pCharacteristic->notify(); // Notify connected client
}
delay(50);
}
}
}
#endif
#endif
#ifdef COMPASS_ENABLED
#if defined(COMPASS_FREQ)
// delay(1000);
@@ -2516,15 +2597,15 @@ void loop(void)
draw360Scale(0, 360, 128, 64);
}
float rssi = -122;
float rssiMax = -999;
if (headingDegrees >= 0 && headingDegrees <= 360)
{
float startFreq = COMPASS_FREQ - 1.0; // Start 2 MHz left
float endFreq = COMPASS_FREQ + 1.0; // End 2 MHz right
float startFreq = COMPASS_FREQ - 0.5; // Start 2 MHz left
float endFreq = COMPASS_FREQ + 0.5; // End 2 MHz right
float step = 0.5; // Step size in MHz
#ifdef COMPASS_RSSI
draw360Scale(0, 360, 128, 64);
float rssi = -122;
float rssiMax = -999;
for (int i = 0; i < SAMPLES_RSSI; i++)
{
for (float freq = startFreq; freq <= endFreq; freq += step)
@@ -2540,7 +2621,7 @@ void loop(void)
#endif
float headingDegreesAfter = getCompassHeading();
float compassDiff = abs(headingDegreesAfter - headingDegrees);
if (compassDiff >= 2)
if (compassDiff >= 3)
{
goto compass;
}
@@ -2963,6 +3044,7 @@ void doScan()
max_x_rssi[display_x] = max_rssi;
}
}
#endif // SCAN_METHOD == METHOD_RSSI
// if this code is not executed LORA radio doesn't work
@@ -3316,17 +3398,7 @@ void loraSendMessage(Message &msg)
void reportScan()
{
#ifdef BT_MOBILE
#ifndef COMPASS_ENABLED
// String p = _scan_result_str(m.payload.dump, 10);
if (pServer->getConnectedCount())
{
pCharacteristic->setValue("Test"); // Set BLE characteristic value
pCharacteristic->notify(); // Notify connected client
}
delay(1000);
#endif
#endif
if (!config.lora_enabled)
return;

13
web_app/compass/index.html
View File

@@ -171,11 +171,16 @@
ctx.stroke();
}
let lineCoef = 2.5;
// Draw data points
dataPoints.forEach(({ angle, rssi }) => {
const rad = (angle * Math.PI) / 180;
const length = ((120 + rssi) / (radius / 2)) * radius; // Scale RSSI to fit within radar
//const length = (120 + rssi) / (radius / 2) * radius;
const length = ((120 - 90) + (rssi + 90)) * lineCoef; // Scale RSSI to fit within radar
if (length > radius) {
length = radius;
}
console.log("Length: " + length);
const x = centerX + length * Math.cos(rad);
const y = centerY + length * Math.sin(rad);
@@ -224,7 +229,7 @@
// Draw current RSSI line in yellow
const currentRad = (currentPoint.angle * Math.PI) / 180;
const currentLength = ((120 + currentPoint.rssi) / (radius / 2)) * radius;
const currentLength = ((120 + currentPoint.rssi) / (radius / 2)) * radius * 1.2;
const currentX = centerX + currentLength * Math.cos(currentRad);
const currentY = centerY + currentLength * Math.sin(currentRad);
@@ -420,7 +425,7 @@
console.log(`Reconnecting to device: ${bluetoothDevice.name}`);
const server = await bluetoothDevice.gatt.connect();
console.log(`Reconnected to device: ${bluetoothDevice.name}`);
deviceNameElem.textContent = bluetoothDevice.name;
//deviceNameElem.textContent = bluetoothDevice.name;
statusElem.textContent = "Reconnected";
} catch (error) {
console.error("Error reconnecting to Bluetooth device:", error);

303
web_app/spectr/index.html Normal file
View File

@@ -0,0 +1,303 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Spectrum Analyzer</title>
<style>
body {
font-family: Arial, sans-serif;
text-align: center;
background-color: black;
color: white;
}
.container {
display: flex;
flex-direction: column;
align-items: center;
width: 80%;
margin: auto;
}
.chart-container {
width: 100%;
display: flex;
flex-direction: column;
position: relative;
}
.chart {
height: 40vh;
border: 1px solid white;
position: relative;
}
.waterfall {
height: 40vh;
border: 1px solid white;
}
.console {
height: 20vh;
width: 100%;
background-color: black;
color: white;
overflow-y: auto;
padding: 10px;
text-align: left;
border: 1px solid white;
}
.labels {
position: absolute;
left: -50px;
top: 0;
height: 100%;
display: flex;
flex-direction: column;
justify-content: space-between;
}
.freq-labels {
display: flex;
justify-content: space-between;
position: absolute;
bottom: -20px;
width: 100%;
}
canvas {
width: 100%;
height: 100%;
display: block;
image-rendering: crisp-edges;
}
button {
margin: 10px;
padding: 10px;
font-size: 16px;
background-color: white;
color: black;
border: none;
cursor: pointer;
}
button:hover {
background-color: gray;
}
</style>
</head>
<body>
<h1>Spectrum Analyzer</h1>
<button id="simulationButton" onclick="toggleSimulation()">Start Simulation</button>
<button onclick="connectBluetooth()">Connect Bluetooth</button>
<div class="container">
<div class="chart-container">
<div class="labels" id="dbLabels"></div>
<canvas id="chartCanvas" class="chart"></canvas>
<div class="freq-labels" id="freqLabels"></div>
</div>
<canvas id="waterfallCanvas" class="waterfall"></canvas>
<div class="console" id="consoleOutput"></div>
</div>
<script>
const chartCanvas = document.getElementById('chartCanvas');
const chartCtx = chartCanvas.getContext('2d');
const waterfallCanvas = document.getElementById('waterfallCanvas');
const waterfallCtx = waterfallCanvas.getContext('2d');
const dbLabels = document.getElementById('dbLabels');
const freqLabels = document.getElementById('freqLabels');
const simulationButton = document.getElementById('simulationButton');
const scaleFactor = 1; //window.devicePixelRatio || 2;
chartCanvas.width = chartCanvas.clientWidth * scaleFactor;
chartCanvas.height = chartCanvas.clientHeight * scaleFactor;
chartCtx.scale(scaleFactor, scaleFactor);
waterfallCanvas.width = waterfallCanvas.clientWidth * scaleFactor;
waterfallCanvas.height = waterfallCanvas.clientHeight * scaleFactor;
waterfallCtx.scale(scaleFactor, scaleFactor);
let RSSI = {};
let spectrumData = Array.from({ length: 80 }, () => new Array(900).fill(0));
let waterfallHistory = Array.from({ length: 80 }, () => new Array(900).fill("black"));
let simulationInterval;
let isSimulationRunning = false;
let bluetoothDevice;
let bluetoothCharacteristic;
async function connectBluetooth() {
try {
const bluetoothDevice = await navigator.bluetooth.requestDevice({
acceptAllDevices: true,
optionalServices: ['00001234-0000-1000-8000-00805f9b34fb']
});
const server = await bluetoothDevice.gatt.connect();
const service = await server.getPrimaryService('00001234-0000-1000-8000-00805f9b34fb');
const bluetoothCharacteristic = await service.getCharacteristic('00001234-0000-1000-8000-00805f9b34ac');
// Save the device's ID to localStorage
localStorage.setItem("bluetoothDeviceId", bluetoothDevice.id);
bluetoothCharacteristic.addEventListener('characteristicvaluechanged', handleBluetoothData)
await bluetoothCharacteristic.startNotifications();
//statusElem.textContent = "Connected";
} catch (error) {
console.error("Error scanning for devices:", error);
alert("Could not connect to device.");
// statusElem.textContent = "Connection Error";
}
}
function handleBluetoothData(event) {
const decoder = new TextDecoder("utf-8");
const value = decoder.decode(event.target.value);
console.log("Received data:", value); // For debugging
console.log(value);
parseBluetoothData(value);
}
function parseBluetoothData(data) {
let matches = data.match(/\((\d+),\s*(-?\d+)\)/g);
if (!matches) return;
RSSI = {};
matches.forEach(match => {
let [_, freq, rssi] = match.match(/\((\d+),\s*(-?\d+)\)/);
RSSI[freq] = { freq: parseInt(freq), rssi: parseInt(rssi) };
});
spectrumData.pop();
spectrumData.unshift(Object.values(RSSI).map(d => d.rssi));
updateConsole();
drawChart();
drawWaterfall();
}
function generateRSSI() {
for (let freq = 100; freq < 1000; freq++) {
RSSI[freq] = { freq, rssi: Math.random() * -120 - 30 };
}
spectrumData.pop();
spectrumData.unshift(Object.values(RSSI).map(d => d.rssi));
updateConsole();
}
function getColor(rssi) {
if (rssi > -40) return "red";
if (rssi > -50) return "magenta";
if (rssi > -60) return "yellow";
if (rssi > -70) return "green";
return "blue";
}
function drawChart() {
chartCtx.clearRect(0, 0, chartCanvas.width, chartCanvas.height);
let keys = Object.keys(RSSI).map(Number);
console.log("chartCanvas.height: " + chartCanvas.height);
keys.forEach((freq, index) => {
let rssi = RSSI[freq].rssi;
let color = getColor(rssi);
chartCtx.fillStyle = color;
const x = ((freq - 100) / 900) * chartCanvas.width;
let minRssi = -90;
let maxRssi = -30;
let rssiDiapason = Math.abs(minRssi) - Math.abs(maxRssi);
let yCoef = (chartCanvas.height / rssiDiapason);
let y = 0;
if (rssi < minRssi) {
y = chartCanvas.height;
} else {
y = (rssiDiapason - (rssiDiapason - Math.abs(Math.abs(rssi) - Math.abs(maxRssi)))) * yCoef;
// y = chartCanvas.height * 0.1;
}
console.log(freq + ":" + rssi + " Y height: " + y);
console.log("Y height: " + chartCanvas.height + "Coef: " + yCoef);
/* x - The x-axis coordinate of the rectangle's starting point.
y - The y-axis coordinate of the rectangle's starting point.
width - The rectangle's width. Positive values are to the right, and negative to the left.
height - The rectangle's height. Positive values are down, and negative are up.
*/
chartCtx.fillRect(x, chartCanvas.height, chartCanvas.width / keys.length, -chartCanvas.height + y);
waterfallHistory[0][index] = color;
});
}
function drawWaterfall() {
waterfallCtx.clearRect(0, 0, waterfallCanvas.width, waterfallCanvas.height);
waterfallHistory.pop();
waterfallHistory.unshift([...waterfallHistory[0]]);
for (let y = 0; y < waterfallHistory.length; y++) {
for (let x = 0; x < waterfallHistory[y].length; x++) {
waterfallCtx.fillStyle = waterfallHistory[y][x];
waterfallCtx.fillRect(
(x / waterfallHistory[y].length) * waterfallCanvas.width,
(y / waterfallHistory.length) * waterfallCanvas.height,
waterfallCanvas.width / waterfallHistory[y].length,
waterfallCanvas.height / waterfallHistory.length
);
}
}
}
function updateScales() {
dbLabels.innerHTML = "";
for (let db = 30; db <= 80; db += 10) {
let div = document.createElement("div");
div.textContent = "-" + db + " dB";
div.style.flexGrow = "1";
dbLabels.appendChild(div);
}
freqLabels.innerHTML = "";
for (let freq = 100; freq <= 1000; freq += 100) {
let div = document.createElement("div");
div.textContent = freq + " MHz";
freqLabels.appendChild(div);
}
}
function updateConsole() {
const consoleOutput = document.getElementById('consoleOutput');
consoleOutput.innerHTML = Object.values(RSSI)
.map(entry => `Freq: ${entry.freq} MHz | RSSI: ${entry.rssi.toFixed(2)} dB`)
.join('<br>');
}
function startSimulation() {
updateScales();
simulationInterval = setInterval(() => {
generateRSSI();
drawChart();
drawWaterfall();
}, 100);
}
function stopSimulation() {
clearInterval(simulationInterval);
simulationInterval = null;
}
function toggleSimulation() {
if (isSimulationRunning) {
stopSimulation();
simulationButton.textContent = "Start Simulation";
} else {
startSimulation();
simulationButton.textContent = "Stop Simulation";
}
isSimulationRunning = !isSimulationRunning;
}
</script>
</body>
</html>