<?php
/**
* @ASCOOS-NAME : Ascoos OS
* @ASCOOS-VERSION : 26.0.0
* @ASCOOS-SUPPORT : [email protected]
* @ASCOOS-BUGS : https://issues.ascoos.com
*
* @desc <English> A system that uses an Arduino to monitor environmental sensors
* (e.g., temperature, humidity), validates raw ADC data,
* converts to real °C/%RH, logs events using the built-in logger,
* and generates visual reports.
* @desc <Greek> ??? ??????? ??? ???????????? Arduino ??? ??? ?????????????
* ??????????????? ?????????? (?.?. ???????????, ???????),
* ?????????? raw ADC ????????, ?????????? ?? ???????????
* ????? °C/%RH, ?????????? ???????? ?? ??? ???????????? logger
* ??? ??????? ??????? ????????.
*
* @since PHP 8.2.0
*/
declare(strict_types=1);
use ASCOOS\OS\Extras\Hardware\Arduino\TArduinoHandler;
use ASCOOS\OS\Kernel\Validation\TValidationHandler;
use ASCOOS\OS\Extras\Arrays\Analysis\TArrayAnalysisHandler;
use ASCOOS\OS\Extras\Arrays\Graphs\TArrayGraphHandler;
use ASCOOS\OS\Kernel\Arrays\Events\TEventHandler;
use ASCOOS\OS\Kernel\Core\Errors\Messages\TErrorMessageHandler;
global $AOS_LOGS_PATH, $AOS_TMP_DATA_PATH, $AOS_ESTR, $AOS_FONTS_PATH;
// <English> Initialize configuration for logging and data storage.
// <Greek> ???????????? ????????? ??? ????????? ??? ?????????? ?????????.
$properties = [
'logs' => [
'useLogger' => true,
'dir' => $AOS_LOGS_PATH . '/',
'file' => 'arduino_monitoring.log'
],
'file' => [
'baseDir' => $AOS_TMP_DATA_PATH . '/reports/arduino',
'quotaSize' => 500000000 // 500MB quota
],
'arduino' => [
'port' => '/dev/ttyACM0',
'baud' => 9600
],
'LineChart' => [
'width' => 800,
'height' => 600,
'showAxes' => true, // Display axes
'fontPath' => $AOS_FONTS_PATH . '/Murecho/Murecho-Regular.ttf', // Path to the font file
'backgroundColorIndex' => 1, // 0=Black, 1=White, 2=Red, 3=Green, 4=Blue, 5=Yellow, 6=Cyan, 7=Magenta, 8=Maroon, 9=Dark Green, 10=Navy, 11=Olive, 12=Purple, 13=Teal, 14=Orange, 15=Pink, 16=Indigo, 17=Deep Pink
'lineColorIndex' => 0, // Color index for the line
'axisColorIndex' => 0 // Color index for the axes
]
];
// <English> Initialize handlers for Arduino, validation, analysis, graphing, events, and error handling.
// <Greek> ???????????? ????????? ??? Arduino, ?????????, ???????, ?????????, ???????? ??? ?????????? ?????????.
$arduinoHandler = new TArduinoHandler($properties['arduino']['port'], ['baud' => $properties['arduino']['baud']]);
$validationHandler = new TValidationHandler($properties);
$analysisHandler = new TArrayAnalysisHandler([], $properties);
$graphHandler = new TArrayGraphHandler([], $properties['LineChart']);
$eventHandler = new TEventHandler([], $properties);
$errorHandler = new TErrorMessageHandler('el-GR', $properties);
try {
// <English> Configure and open the Arduino connection.
// <Greek> ??????? ??? ??????? ??? ???????? Arduino.
$arduinoHandler->configure();
$arduinoHandler->open();
if (!$arduinoHandler->isOpen()) {
// <English> Multilingual error messages and logs.
// <Greek> ?????????? ???????? ????????? ??? ??????????.
$errorHandler->logError(E_ASCOOS_HW_ARDUINO_FAILED_OPEN_CONNECTION, new Exception($AOS_ESTR[E_ASCOOS_HW_ARDUINO_FAILED_OPEN_CONNECTION]));
echo $errorHandler->getMessage(E_ASCOOS_HW_ARDUINO_FAILED_OPEN_CONNECTION);
exit;
}
// <English> Set analog mode for pins A0 (temperature) and A1 (humidity).
// <Greek> ??????? ??????????? ?????????? pins A0 (???????????) ??? A1 (???????).
$arduinoHandler->setPinMode(0, FIRMATA_PIN_MODE_ANALOG); // Temperature sensor on A0
$arduinoHandler->setPinMode(1, FIRMATA_PIN_MODE_ANALOG); // Humidity sensor on A1
// <English> Read 10 samples of raw ADC values.
// <Greek> ???????? 10 ????????? raw ADC ?????.
$rawData = [];
for ($i = 0; $i < 10; $i++) {
$rawT = $arduinoHandler->analogRead(0);
$rawH = $arduinoHandler->analogRead(1);
$rawData[] = ['temperature' => $rawT, 'humidity' => $rawH];
usleep(2000000); // Wait 2 seconds between readings
}
// <English> Validate that raw ADC values are within 0?1023.
// <Greek> ????????? ??? ?? raw ADC ????? ?????????? ????? 0?1023.
$rawRules = [
'temperature' => 'required|numeric|min:0|max:1023',
'humidity' => 'required|numeric|min:0|max:1023'
];
foreach ($rawData as $row) {
if (!$validationHandler->validate($row, $rawRules)) {
$errs = $validationHandler->getErrors();
$errorHandler->logError(E_ASCOOS_INVALID_VALIDATION, new Exception(implode(', ', $errs)));
echo $errorHandler->getMessage(E_ASCOOS_INVALID_VALIDATION);
exit;
}
}
// <English> Convert raw ADC readings to real °C and %RH for chosen sensor type.
// <Greek> ????????? raw ADC ?? ??????????? ????? °C ??? %RH ??? ?????????? ?????????.
$realData = $arduinoHandler->convertAnalogReadings($rawData, 'DHT11');
// <English> Extract temperatures for analysis.
// <Greek> ??????? ???????????? ??? ???????.
$temps = array_column($realData, 'temperature');
// <English> Calculate mean temperature.
// <Greek> ??????????? ????? ????????????.
$analysisHandler->clean();
$analysisHandler->setArray($temps, ['sensor', 'temperature']);
$meanTemp = $analysisHandler->mean();
// <English> Create temperature trend line chart.
// <Greek> ?????????? ????????? ???????????? ????? ????????????.
$graphHandler->clean();
$graphHandler->setArray($temps, ['sensor', 'temperature']);
$graphHandler->createLineChart($properties['file']['baseDir'] . '/temperature_trend.png');
// <English> Log successful data collection event.
// <Greek> ????????? ????????? ????????? ???????? ?????????.
$eventHandler->register('data_collected', 'arduino', fn() =>
$eventHandler->logger->log('Environmental data collected successfully', $eventHandler::DEBUG_LEVEL_INFO)
);
$eventHandler->trigger('data_collected', 'arduino');
// <English> Save JSON report with mean temperature and data count.
// <Greek> ?????????? JSON ???????? ?? ???? ??????????? ??? ?????? ?????????.
$report = [
'mean_temperature' => $meanTemp,
'data_points' => count($realData)
];
file_put_contents(
$properties['file']['baseDir'] . '/arduino_report.json',
json_encode($report, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE)
);
// <English> Output completion message.
// <Greek> ???????? ????????? ???????????.
echo "Arduino monitoring completed. Mean temperature: {$meanTemp}°C\n";
} catch (Exception $e) {
// <English> Handle exceptions and log error.
// <Greek> ?????????? ?????????? ??? ????????? ?????????.
$errorHandler->logError(1007, $e);
echo $errorHandler->getMessage(1007);
}
// <English> Cleanup resources (close connection, free handlers).
// <Greek> ???????????? ????? (???????? ????????, ?????????? ?????????).
$arduinoHandler->close();
$arduinoHandler->Free($arduinoHandler);
$validationHandler->Free($validationHandler);
$analysisHandler->Free($analysisHandler);
$graphHandler->Free($graphHandler);
$eventHandler->Free($eventHandler);
$errorHandler->Free($errorHandler);
?>
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