update

neosensor/libraries/neocampus/neocampus_utils.cpp

@@ -9,7 +9,6 @@
  * - ...
  * 
  * ---
- * F.Thiebolt   jan.23  removed wifiManager.setMinimumSignalQuality(); cause of DHCP issues ??
  * F.Thiebolt   aug.22  removed WiFiparameters hack :) ... by means of dynamic allocation :|
  * F.Thiebolt   aug.21  extended checkCLEAR to 5000ms (some ESP32 have huge
  *                      internal capacitor enabled@starup ?!?!)
@@ -213,10 +212,8 @@ bool setupWiFi( wifiParametersMgt *wp ) {
   // set config save notify callback: only usefull for additional parameters
   wifiManager.setSaveConfigCallback( cb_exitConfigMode );
 
-  /* set minimum signal level
-   * [jan.23] disabled while trying to overcome DHCP issues :|
-   * wifiManager.setMinimumSignalQuality();      // min. default is 8%
-  */
+  // set minimum signal level
+  wifiManager.setMinimumSignalQuality();      // min. default is 8%
 
   /* [aug.20] does not work on ESP32 ... segfault :(
    * set custom ip for AP portal

neosensor/neosensor.ino

@@ -9,6 +9,9 @@
  * (c) F.Thiebolt / neOCampus operation - Université Toulouse 3
  * 
  * ---
+ * WARNING: [jan.23] WiFiManager 2.0.15-rc1 does not list WiFi networks available !?!?!
+ *          ==> UPGRADE WiFiManager for bsp_update branch <==
+ * ---
  * NOTES:
  * - [ESP8266]MEMP_NUM_TCP_PCB= 8 (MAX simulteaneous listening TCP connections)
  * - you need to 'deploy' our boards definitions (run the deploy.sh script)

tests/WiFiManager_simple/WiFiManager_simple.ino

+#include <WiFiManager.h> // https://github.com/tzapu/WiFiManager
+
+/* Global variables */
+const char *mySSID="neOCampus";
+const char *mySSIDpw="CHANGE_ME";
+
+void setup() {
+  delay(3000);  // time for USB serial link to come up anew
+  Serial.begin(115200); // Start serial for output
+
+  Serial.println(F("\n\n###\n### Starting simple WiFiManager connection test ...\n###"));
+
+  // Arduino libs v2.4.1, to enable printf and debug messages output
+  Serial.setDebugOutput( true );
+
+  WiFi.mode(WIFI_STA); // explicitly set mode, esp defaults to STA+AP
+  // it is a good practice to make sure your code sets wifi mode how you want it.
+
+   
+  //WiFiManager, Local intialization. Once its business is done, there is no need to keep it around
+  WiFiManager wm;
+  wm.setDebugOutput(true);
+
+    // reset settings - wipe stored credentials for testing
+    // these are stored by the esp library
+    // wm.resetSettings();
+
+    // Automatically connect using saved credentials,
+    // if connection fails, it starts an access point with the specified name ( "AutoConnectAP"),
+    // if empty will auto generate SSID, if password is blank it will be anonymous AP (wm.autoConnect())
+    // then goes into a blocking loop awaiting configuration and will return success result
+
+  Serial.println(F("\tconnection timeout to 5mn ...");
+  wm.setConnectTimeout(300);
+
+    bool res;
+    // res = wm.autoConnect(); // auto generated AP name from chipid
+    // res = wm.autoConnect("AutoConnectAP"); // anonymous ap
+    res = wm.autoConnect(mySSID,mySSIDpw); // password protected ap
+
+    if(!res) {
+        Serial.println("Failed to connect");
+        // ESP.restart();
+    } 
+    else {
+        //if you get here you have connected to the WiFi    
+        Serial.println("connected...yeey :)");
+    }
+
+}
+
+void loop() {
+    // put your main code here, to run repeatedly:
+    Serial.print("+"); delay(1000);   
+}

tests/WiFiManager_simple/debug.cfg

+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Example OpenOCD configuration file for ESP32-WROVER-KIT board.
+#
+# For example, OpenOCD can be started for ESP32 debugging on
+#
+#   openocd -f board/esp32-wrover-kit-3.3v.cfg
+#
+
+# Source the JTAG interface configuration file
+source [find interface/ftdi/esp32_devkitj_v1.cfg]
+set ESP32_FLASH_VOLTAGE 3.3
+# Source the ESP32 configuration file
+source [find target/esp32.cfg]

tests/WiFiManager_simple/debug_custom.json

+{
+	"name":"Arduino on ESP32",
+	"toolchainPrefix":"xtensa-esp32-elf",
+	"svdFile":"esp32.svd",
+	"request":"attach",
+	"postAttachCommands":[
+		"set remote hardware-watchpoint-limit 2",
+		"monitor reset halt",
+		"monitor gdb_sync",
+		"thb setup",
+		"c"
+	],
+	"overrideRestartCommands":[
+		"monitor reset halt",
+		"monitor gdb_sync",
+		"thb setup",
+		"c"
+	]
+}
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