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feat: intégration capteur CO2 MH-Z19

Browse Source 
- Scripts MH-Z19/get_data.py (lecture standalone) et write_data.py (écriture SQLite)
- Table data_MHZ19, config MHZ19, cleanup et service systemd (120s)
- Web UI : carte test sensors, checkbox admin, boutons database + CSV download
- SARA_send_data_v2.py non modifié (sera fait dans un second temps)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
PaulVua
2026-02-17 11:04:45 +01:00
parent ea2642685c
commit 198836fa13
10 changed files with 264 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
html/admin.html
View File

@@ -118,6 +118,13 @@
</label>
</div>
<div class="form-check mb-3">
<input class="form-check-input" type="checkbox" value="" id="check_mhz19" onchange="update_config_sqlite('MHZ19', this.checked)">
<label class="form-check-label" for="check_mhz19">
Send CO2 data (MH-Z19)
</label>
</div>
<div class="form-check mb-3">
<input class="form-check-input" type="checkbox" value="" id="check_wifi_power_saving" onchange="update_config_sqlite('wifi_power_saving', this.checked)">
<label class="form-check-label" for="check_wifi_power_saving">
@@ -457,6 +464,7 @@ window.onload = function() {
const checkbox_envea = document.getElementById("check_envea");
const checkbox_solar = document.getElementById("check_solarBattery");
const checkbox_noise = document.getElementById("check_NOISE");
const checkbox_mhz19 = document.getElementById("check_mhz19");
const checkbox_wifi_power_saving = document.getElementById("check_wifi_power_saving");
checkbox_bme.checked = response["BME280"];
@@ -465,6 +473,7 @@ window.onload = function() {
checkbox_nmp5channels.checked = response.npm_5channel;
checkbox_wind.checked = response["windMeter"];
checkbox_noise.checked = response["NOISE"];
checkbox_mhz19.checked = response["MHZ19"];
checkbox_wifi_power_saving.checked = response["wifi_power_saving"];
checkbox_uSpot.checked = response["send_uSpot"];

19
html/database.html
View File

@@ -81,6 +81,7 @@
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_NOISE',getSelectedLimit(),false)" data-i18n="database.noiseProbe">Sonde bruit</button>
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_WIND',getSelectedLimit(),false)" data-i18n="database.windProbe">Sonde Vent</button>
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_MPPT',getSelectedLimit(),false)" data-i18n="database.battery">Batterie</button>
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_MHZ19',getSelectedLimit(),false)">Mesures CO2</button>
<button class="btn btn-warning mb-2" onclick="get_data_sqlite('timestamp_table',getSelectedLimit(),false)" data-i18n="database.timestampTable">Timestamp Table</button>
</div>
</div>
@@ -104,6 +105,7 @@
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_envea',10,true, getStartDate(), getEndDate())" data-i18n="database.cairsensProbe">Sonde Cairsens</button>
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_NOISE',10,true, getStartDate(), getEndDate())" data-i18n="database.noiseProbe">Sonde Bruit</button>
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_mppt',10,true, getStartDate(), getEndDate())" data-i18n="database.battery">Batterie</button>
<button class="btn btn-primary mb-2" onclick="get_data_sqlite('data_MHZ19',10,true, getStartDate(), getEndDate())">Mesures CO2</button>
</div>
</div>
</div>
@@ -358,7 +360,12 @@ function get_data_sqlite(table, limit, download , startDate = "", endDate = "")
<th>Timestamp</th>
<th>Curent LEQ</th>
<th>DB_A_value</th>
`;
}else if (table === "data_MHZ19") {
tableHTML += `
<th>Timestamp</th>
<th>CO2 (ppm)</th>
`;
}
@@ -433,7 +440,12 @@ function get_data_sqlite(table, limit, download , startDate = "", endDate = "")
<td>${columns[0]}</td>
<td>${columns[1]}</td>
<td>${columns[2]}</td>
`;
}else if (table === "data_MHZ19") {
tableHTML += `
<td>${columns[0]}</td>
<td>${columns[1]}</td>
`;
}
@@ -480,6 +492,9 @@ function downloadCSV(response, table) {
else if (table === "data_NPM_5channels") {
csvContent += "TimestampUTC,PM_ch1,PM_ch2,PM_ch3,PM_ch4,PM_ch5\n";
}
else if (table === "data_MHZ19") {
csvContent += "TimestampUTC,CO2_ppm\n";
}
// Format rows as CSV
rows.forEach(row => {

19
html/launcher.php
View File

@@ -542,7 +542,7 @@ if ($type == "db_table_stats") {
$fileSizeMB = round($fileSizeBytes / (1024 * 1024), 2);
// Sensor data tables to inspect
$tables = ['data_NPM', 'data_NPM_5channels', 'data_BME280', 'data_envea', 'data_WIND', 'data_MPPT', 'data_NOISE'];
$tables = ['data_NPM', 'data_NPM_5channels', 'data_BME280', 'data_envea', 'data_WIND', 'data_MPPT', 'data_NOISE', 'data_MHZ19'];
$tableStats = [];
foreach ($tables as $tableName) {
@@ -589,7 +589,7 @@ if ($type == "download_full_table") {
$table = $_GET['table'] ?? '';
// Whitelist of allowed tables
$allowedTables = ['data_NPM', 'data_NPM_5channels', 'data_BME280', 'data_envea', 'data_WIND', 'data_MPPT', 'data_NOISE'];
$allowedTables = ['data_NPM', 'data_NPM_5channels', 'data_BME280', 'data_envea', 'data_WIND', 'data_MPPT', 'data_NOISE', 'data_MHZ19'];
if (!in_array($table, $allowedTables)) {
header('Content-Type: application/json');
@@ -605,7 +605,8 @@ if ($type == "download_full_table") {
'data_envea' => 'TimestampUTC,NO2,H2S,NH3,CO,O3,SO2',
'data_WIND' => 'TimestampUTC,Wind_speed_kmh,Wind_direction_V',
'data_MPPT' => 'TimestampUTC,Battery_voltage,Battery_current,Solar_voltage,Solar_power,Charger_status',
'data_NOISE' => 'TimestampUTC,Current_LEQ,DB_A_value'
'data_NOISE' => 'TimestampUTC,Current_LEQ,DB_A_value',
'data_MHZ19' => 'TimestampUTC,CO2_ppm'
];
try {
@@ -741,6 +742,12 @@ if ($type == "BME280") {
echo $output;
}
if ($type == "mhz19") {
$command = 'sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/MH-Z19/get_data.py ttyAMA4';
$output = shell_exec($command);
echo $output;
}
if ($type == "table_mesure") {
$table=$_GET['table'];
@@ -1276,6 +1283,10 @@ if ($type == "get_systemd_services") {
'description' => 'Get Data from noise sensor',
'frequency' => 'Every minute'
],
'nebuleair-mhz19-data.timer' => [
'description' => 'Reads CO2 concentration from MH-Z19 sensor',
'frequency' => 'Every 2 minutes'
],
'nebuleair-db-cleanup-data.timer' => [
'description' => 'Cleans up old data from database',
'frequency' => 'Daily'
@@ -1341,6 +1352,7 @@ if ($type == "restart_systemd_service") {
'nebuleair-sara-data.timer',
'nebuleair-bme280-data.timer',
'nebuleair-mppt-data.timer',
'nebuleair-mhz19-data.timer',
'nebuleair-db-cleanup-data.timer'
];
@@ -1401,6 +1413,7 @@ if ($type == "toggle_systemd_service") {
'nebuleair-sara-data.timer',
'nebuleair-bme280-data.timer',
'nebuleair-mppt-data.timer',
'nebuleair-mhz19-data.timer',
'nebuleair-db-cleanup-data.timer'
];

53
html/sensors.html
View File

@@ -285,6 +285,36 @@ function getNoise_values(){
});
}
function getMHZ19_values(){
console.log("Data from MH-Z19 CO2 sensor:");
$("#loading_mhz19").show();
$.ajax({
url: 'launcher.php?type=mhz19',
dataType: 'json',
method: 'GET',
success: function(response) {
console.log(response);
const tableBody = document.getElementById("data-table-body_mhz19");
tableBody.innerHTML = "";
$("#loading_mhz19").hide();
if (response.CO2 !== undefined) {
$("#data-table-body_mhz19").append(`
<tr>
<td>CO2</td>
<td>${response.CO2} ppm</td>
</tr>
`);
}
},
error: function(xhr, status, error) {
console.error('AJAX request failed:', status, error);
$("#loading_mhz19").hide();
}
});
}
function getBME280_values(){
console.log("Data from I2C BME280:");
$("#loading_BME280").show();
@@ -462,6 +492,29 @@ error: function(xhr, status, error) {
container.innerHTML += i2C_HTML; // Add the I2C card if condition is met
}
//creates MH-Z19 CO2 card
if (config.MHZ19) {
const MHZ19_HTML = `
<div class="col-sm-3">
<div class="card">
<div class="card-header">
Port UART 4
</div>
<div class="card-body">
<h5 class="card-title">MH-Z19 CO2</h5>
<p class="card-text">Capteur de dioxyde de carbone.</p>
<button class="btn btn-primary mb-1" onclick="getMHZ19_values()" data-i18n="common.getData">Get Data</button>
<div id="loading_mhz19" class="spinner-border spinner-border-sm" style="display: none;" role="status"></div>
<table class="table table-striped-columns">
<tbody id="data-table-body_mhz19"></tbody>
</table>
</div>
</div>
</div>`;
container.innerHTML += MHZ19_HTML;
}
//Si on a des SONDES ENVEA connectée il faut faire un deuxième call dans la table envea_sondes_table
//creates ENVEA debug card
if (config.envea) {