Add graph
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parent
7941d32984
commit
fb8788420d
124
src/main.cpp
124
src/main.cpp
@ -15,10 +15,20 @@ const unsigned long refreshInterval = 60000; // 60 seconds
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String lastEventId = "";
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String problems[10];
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String problemDescriptions = "Test";
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String problemDescriptions;
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int problemCount = 0;
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int severityCounts[5] = {0};
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int severityCounts[6] = {0};
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bool newProblemsDetected = false;
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int totalProblems = 0; // Variable to store the total number of active problems
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// History buffer for the graph
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const int maxHistorySize = 30;
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int problemHistory[maxHistorySize] = {0}; // Array to store history
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int historyIndex = 0; // Current index for the latest value
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int scrollPos = SCREEN_WIDTH; // Global variable to keep track of the scroll position
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unsigned long lastScrollTime = 0; // To control the scroll speed
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const int scrollDelay = 120; // Delay in milliseconds between scroll updates
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void initSystems() {
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pinMode(PIN_BTN_L, INPUT);
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@ -31,9 +41,10 @@ void initSystems() {
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Wire.setClock(400000L); // Set I2C to Fast Mode (400 kHz)
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display.ssd1306_command(SSD1306_SETCONTRAST);
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display.ssd1306_command(200); // Value between 0 and 255
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// Initialize the SSD1306 display
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if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Adjust I2C address if needed
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for(;;); // Don't proceed, loop forever
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for (;;); // Don't proceed, loop forever
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}
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// Rotate the display 180 degrees
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@ -41,14 +52,12 @@ void initSystems() {
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// Clear the display buffer
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display.clearDisplay();
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display.setTextSize(1);
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display.setTextSize(1);
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display.setTextColor(WHITE);
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display.setCursor(0, 0);
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display.display();
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}
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int totalProblems = 0; // Variable to store the total number of active problems
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void fetchActiveProblems() {
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WiFiClient client;
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HTTPClient http;
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@ -90,6 +99,10 @@ void fetchActiveProblems() {
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totalProblems = result.size(); // Set total problems count
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// Store the current totalProblems in the history buffer
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problemHistory[historyIndex] = totalProblems;
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historyIndex = (historyIndex + 1) % maxHistorySize; // Circular buffer
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int newProblemCount = 0;
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for (JsonObject problem : result) {
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String eventId = problem["eventid"].as<String>();
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@ -101,10 +114,6 @@ void fetchActiveProblems() {
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newProblemsDetected = true;
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}
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if (newProblemCount < 10) {
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problems[newProblemCount] = description;
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}
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if (severity >= 0 && severity < 5) {
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severityCounts[severity]++;
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}
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@ -121,60 +130,87 @@ void fetchActiveProblems() {
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} else {
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beep(1000);
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}
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} else {
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display.clearDisplay();
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display.setCursor(0,30);
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display.print("Error querying zabbix API");
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} else {
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problemDescriptions="Zabbix API error";
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}
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http.end();
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}
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int scrollPos = SCREEN_WIDTH; // Global variable to keep track of the scroll position
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unsigned long lastScrollTime = 0; // To control the scroll speed
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const int scrollDelay = 150; // Delay in milliseconds between scroll updates
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void playAlertMelody() {
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int toneDuration = 60; // Each tone lasts 150ms
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int pauseDuration = 20; // Pause between tones
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// Play first tone
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tone(PIN_BUZZER, 1500); // 1000 Hz
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delay(toneDuration);
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noTone(PIN_BUZZER);
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delay(pauseDuration);
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// Play second tone
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tone(PIN_BUZZER, 1200); // 1200 Hz
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delay(toneDuration);
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noTone(PIN_BUZZER);
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delay(pauseDuration);
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// Play third tone
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tone(PIN_BUZZER, 1500); // 1500 Hz
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delay(toneDuration);
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noTone(PIN_BUZZER);
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}
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void displayProblems() {
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display.clearDisplay();
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display.setTextSize(1);
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display.setCursor(0,0);
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display.print("N:");
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display.print(severityCounts[0]);
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display.print("I:");
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display.print(severityCounts[1]);
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display.print("W:");
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display.print(severityCounts[2]);
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display.print("A:");
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display.print(severityCounts[3]);
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display.print("H:");
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display.print(severityCounts[4]);
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display.print("D:");
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display.print(severityCounts[0]);
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display.setCursor(0,10);
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display.print("Total Problems: ");
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display.print(totalProblems); // Display total problems
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display.setCursor(0, 0);
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display.printf(" I:%d W:%d A:%d H:%d D:%d",
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severityCounts[1],
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severityCounts[2],
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severityCounts[3],
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severityCounts[4],
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severityCounts[5]);
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display.drawLine(0, 45, 127, 45, 1); // Line under the graph
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display.drawLine(0, 10, 127, 10, 1); // Line under the graph
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// Draw the history graph
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int graphHeight = 30; // Height of the graph
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int graphTop = 15; // Top position of the graph
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int graphBottom = graphTop + graphHeight;
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int maxProblems = *std::max_element(problemHistory, problemHistory + maxHistorySize); // Find max for scaling
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if (maxProblems == 0) maxProblems = 1; // Avoid division by zero
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for (int i = 0; i < maxHistorySize - 1; i++) {
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int x1 = (i * SCREEN_WIDTH) / maxHistorySize;
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int x2 = ((i + 1) * SCREEN_WIDTH) / maxHistorySize;
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int y1 = graphBottom - (problemHistory[(historyIndex + i) % maxHistorySize] * graphHeight) / maxProblems;
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int y2 = graphBottom - (problemHistory[(historyIndex + i + 1) % maxHistorySize] * graphHeight) / maxProblems;
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display.drawLine(x1, y1, x2, y2, 1); // Draw line between points
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}
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// Scroll text below the graph
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int stateWidth = strlen(problemDescriptions.c_str()) * 12;
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int stateWidth = strlen(problemDescriptions.c_str()) * 12; // Approximate width of the status text in pixels
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// Scroll the text to the left
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if (!is_display_off) {
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if (millis() - lastScrollTime > scrollDelay) {
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// Update scroll position
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scrollPos -= 11; // Move left by 1 pixel each time
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scrollPos -= 11;
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lastScrollTime = millis();
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// If the text has completely scrolled off, reset scroll position to start from the right
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if (scrollPos < -stateWidth) {
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scrollPos = SCREEN_WIDTH;
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}
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}
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}
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// Draw the file name with current scroll position
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display.setTextSize(2);
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display.setCursor(scrollPos, 48);
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display.print(problemDescriptions);
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display.drawLine(0,46,127,46,1);
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display.setTextSize(1);
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display.fillRect(117,35,10,10,0);
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display.setCursor(118,36);
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display.print(totalProblems);
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display.display();
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}
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@ -196,7 +232,7 @@ void loop() {
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displayProblems();
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if (newProblemsDetected) {
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beep(1000);
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playAlertMelody();
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newProblemsDetected = false;
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}
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}
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}
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