Page modem: reset hardware GPIO 16 + alerte mode configuration + reset au boot

- Bouton Reset Hardware (GPIO 16) avec verification ATI apres redemarrage
- Bandeau d'alerte rouge quand mode configuration actif (transmission desactivee)
- Reset automatique de modem_config_mode a 0 au boot (SARA/reboot/start.py)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

SARA/reboot/hardware_reboot.py

@@ -0,0 +1,72 @@
+'''
+  ____    _    ____      _
+ / ___|  / \  |  _ \    / \
+ \___ \ / _ \ | |_) |  / _ \
+  ___) / ___ \|  _ <  / ___ \
+ |____/_/   \_\_| \_\/_/   \_\
+
+sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/reboot/hardware_reboot.py
+
+Hardware reboot of the SARA R5 modem using GPIO 16 (GND control via transistor).
+Cuts power for 3 seconds, then verifies modem is responsive with ATI command.
+Returns JSON result for web interface.
+'''
+
+import RPi.GPIO as GPIO
+import serial
+import time
+import json
+import sqlite3
+
+SARA_GND_GPIO = 16
+
+# Load baudrate from config
+conn = sqlite3.connect("/var/www/nebuleair_pro_4g/sqlite/sensors.db")
+cursor = conn.cursor()
+cursor.execute("SELECT value FROM config_table WHERE key='SaraR4_baudrate'")
+row = cursor.fetchone()
+baudrate = int(row[0]) if row else 115200
+conn.close()
+
+result = {
+    "reboot": False,
+    "modem_response": None,
+    "error": None
+}
+
+try:
+    # Step 1: Cut GND (modem off)
+    GPIO.setmode(GPIO.BCM)
+    GPIO.setup(SARA_GND_GPIO, GPIO.OUT)
+    GPIO.output(SARA_GND_GPIO, GPIO.LOW)
+    time.sleep(3)
+
+    # Step 2: Restore GND (modem on)
+    GPIO.output(SARA_GND_GPIO, GPIO.HIGH)
+    time.sleep(5)  # wait for modem boot
+
+    # Step 3: Check modem with ATI
+    ser = serial.Serial('/dev/ttyAMA2', baudrate=baudrate, timeout=3)
+    ser.reset_input_buffer()
+
+    for attempt in range(5):
+        ser.write(b'ATI\r')
+        time.sleep(1)
+        response = ser.read(ser.in_waiting or 1).decode('utf-8', errors='replace')
+        if "OK" in response:
+            result["reboot"] = True
+            result["modem_response"] = response.strip()
+            break
+        time.sleep(2)
+    else:
+        result["error"] = "Modem ne repond pas apres le redemarrage"
+
+    ser.close()
+
+except Exception as e:
+    result["error"] = str(e)
+
+finally:
+    GPIO.cleanup(SARA_GND_GPIO)
+
+print(json.dumps(result))

SARA/reboot/start.py

@@ -175,6 +175,11 @@ def read_complete_response(serial_connection, timeout=2, end_of_response_timeout
 try:
     print('<h3>Start reboot python script</h3>')
 
+    # Reset modem_config_mode at boot to prevent capteur from staying stuck in config mode
+    cursor.execute("UPDATE config_table SET value = '0' WHERE key = 'modem_config_mode'")
+    conn.commit()
+    print("modem_config_mode reset to 0 (boot safety)")
+
     #First we need to power on the module (if connected to mosfet via gpio16)
     GPIO.output(SARA_power_GPIO, GPIO.HIGH)
     time.sleep(5)

html/launcher.php

@@ -880,6 +880,13 @@ if ($type == "sara") {
     echo $output;
 }
 
+# SARA HARDWARE REBOOT (GPIO 16)
+if ($type == "sara_hardware_reboot") {
+    $command = 'sudo /usr/bin/python3 /var/www/nebuleair_pro_4g/SARA/reboot/hardware_reboot.py';
+    $output = shell_exec($command);
+    echo $output;
+}
+
 # SARA R4 COMMANDS (MQTT)
 if ($type == "sara_getMQTT_config") {
     $port=$_GET['port'];

html/saraR4.html

@@ -58,6 +58,16 @@
           <label class="form-check-label" for="check_modem_configMode">Mode configuration</label>
         </div>
 
+        <div id="configmode_alert" class="alert alert-danger d-flex align-items-center py-3 mb-3" role="alert" style="display:none;">
+          <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="currentColor" class="bi bi-exclamation-triangle-fill me-3 flex-shrink-0" viewBox="0 0 16 16">
+            <path d="M8.982 1.566a1.13 1.13 0 0 0-1.96 0L.165 13.233c-.457.778.091 1.767.98 1.767h13.713c.889 0 1.438-.99.98-1.767zM8 5c.535 0 .954.462.9.995l-.35 3.507a.552.552 0 0 1-1.1 0L7.1 5.995A.905.905 0 0 1 8 5m.002 6a1 1 0 1 1 0 2 1 1 0 0 1 0-2"/>
+          </svg>
+          <div>
+            <strong>Mode configuration actif — le capteur n'envoie aucune donnée !</strong><br>
+            <small>Le script de transmission (SARA) est désactivé tant que ce mode est actif. Pensez à le désactiver une fois la configuration terminée. Ce mode sera automatiquement désactivé au prochain redémarrage du capteur.</small>
+          </div>
+        </div>
+
         <button class="btn btn-success mb-3 btn_selfTest" onclick="runSelfTest()">
           <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-check2-circle me-1" viewBox="0 0 16 16">
             <path d="M2.5 8a5.5 5.5 0 1 1 11 0 5.5 5.5 0 0 1-11 0z"/>
@@ -151,14 +161,22 @@
               </div>
             </div>
 
-            <div class="col-sm-2">
+            <div class="col-sm-3">
               <div class="card">
                 <div class="card-body">
-                  <p class="card-text">Modem Reset </p>
-                  <button class="btn btn-danger" onclick="getData_saraR4('ttyAMA2', 'AT+CFUN=15', 1)">Reset</button>
+                  <p class="card-text"><strong>Modem Reset</strong></p>
+
+                  <p class="text-muted small mb-2">Reset software (AT+CFUN=15) : redémarre le firmware du modem.</p>
+                  <button class="btn btn-warning mb-2" onclick="getData_saraR4('ttyAMA2', 'AT+CFUN=15', 1)">Reset Software</button>
                   <div id="loading_ttyAMA2_AT_CFUN_15" class="spinner-border spinner-border-sm" style="display: none;" role="status"></div>
                   <div id="response_ttyAMA2_AT_CFUN_15"></div>
-                  </table>
+
+                  <hr>
+
+                  <p class="text-muted small mb-2">Reset hardware (GPIO 16) : coupe et rétablit l'alimentation du modem.</p>
+                  <button class="btn btn-danger mb-2" onclick="hardwareRebootSara()">Reset Hardware</button>
+                  <div id="loading_hw_reboot" class="spinner-border spinner-border-sm" style="display: none;" role="status"></div>
+                  <div id="response_hw_reboot"></div>
                 </div>
               </div>
             </div>
@@ -446,6 +464,9 @@ document.addEventListener('DOMContentLoaded', function () {
                 if (check_modem_configMode) {
                     check_modem_configMode.checked = response.modem_config_mode;
                     console.log("Modem configuration: " + response.modem_config_mode);
+                    // Show/hide config mode alert banner
+                    const alertEl = document.getElementById("configmode_alert");
+                    if (alertEl) alertEl.style.display = response.modem_config_mode ? "flex" : "none";
                 } else {
                     console.error("Checkbox element not found");
                 }
@@ -1024,6 +1045,48 @@ function getSignalInfo(port, timeout) {
   });
 }
 
+function hardwareRebootSara() {
+    if (!confirm("Couper l'alimentation du modem SARA via GPIO 16 ?\nLe modem sera éteint pendant ~3 secondes puis redémarré.")) return;
+
+    console.log("Hardware reboot SARA via GPIO 16");
+    $("#loading_hw_reboot").show();
+    $("#response_hw_reboot").empty();
+
+    $.ajax({
+        url: 'launcher.php?type=sara_hardware_reboot',
+        dataType: 'json',
+        method: 'GET',
+        timeout: 30000,
+        success: function(response) {
+            console.log(response);
+            $("#loading_hw_reboot").hide();
+
+            if (response.reboot) {
+                $("#response_hw_reboot").html(`
+                    <div class="alert alert-success py-2 mt-2">
+                        <strong>Modem redémarré</strong><br>
+                        <small><code>${response.modem_response}</code></small>
+                    </div>`);
+            } else {
+                $("#response_hw_reboot").html(`
+                    <div class="alert alert-danger py-2 mt-2">
+                        <strong>Echec</strong><br>
+                        <small>${response.error || 'Modem ne répond pas'}</small>
+                    </div>`);
+            }
+        },
+        error: function(xhr, status, error) {
+            console.error('Hardware reboot failed:', status, error);
+            $("#loading_hw_reboot").hide();
+            $("#response_hw_reboot").html(`
+                <div class="alert alert-danger py-2 mt-2">
+                    <strong>Erreur de communication</strong><br>
+                    <small>${error}</small>
+                </div>`);
+        }
+    });
+}
+
 function getData_saraR4(port, command, timeout){
         console.log("Data from SaraR4");
         console.log("Port: " + port );
@@ -1429,6 +1492,10 @@ function update_modem_configMode(param, checked){
   const toastBody = toastLiveExample.querySelector('.toast-body');
 
   console.log("updating modem config mode to :" + checked);
+  // Toggle alert banner immediately
+  const alertEl = document.getElementById("configmode_alert");
+  if (alertEl) alertEl.style.display = checked ? "flex" : "none";
+
   $.ajax({
       url: 'launcher.php?type=update_config_sqlite&param='+param+'&value='+checked,
       dataType: 'json', // Specify that you expect a JSON response