From f4685cdd2f478fd2671e92e75ec95ff4ccd80d63 Mon Sep 17 00:00:00 2001
From: Francois <thiebolt@irit.fr>
Date: Fri, 27 Oct 2023 01:22:43 +0200
Subject: [PATCH] added WiFi cred backup to NVS if not already set
---
.../libraries/neocampus/wifiParametersMgt.cpp | 27 +++++++++++++++++--
1 file changed, 25 insertions(+), 2 deletions(-)
diff --git a/neosensor/libraries/neocampus/wifiParametersMgt.cpp b/neosensor/libraries/neocampus/wifiParametersMgt.cpp
index 093d9806..6a81f885 100644
--- a/neosensor/libraries/neocampus/wifiParametersMgt.cpp
+++ b/neosensor/libraries/neocampus/wifiParametersMgt.cpp
@@ -561,8 +561,31 @@ for (JsonObject::iterator it=root.begin(); it!=root.end(); ++it) {
* check if wifi connexion parameters have been read ...
* ... otherwise we'll extract them from struct station
*/
- if( _wifiSet ) return true;
-
+ if( _wifiSet ) {
+
+#ifdef ESP32
+ /* [oct.23][TEMPORARY] will save credentials retrieved from JSON file to NVS
+ * Note: only usefull for devices with older firmware that did not already saved
+ * their wifi credentials in the NVS area
+ */
+ Preferences _nvs;
+ if( _nvs.begin(WIFI_NVS_NAMESPACE,false) ) { // readwrite mode
+ if( ! _nvs.isKey(WIFI_NVS_SSID_KEY) and ! _nvs.isKey(WIFI_NVS_PASS_KEY) ) {
+ log_debug(F("\n[wifiParams] copying SSID credentials to NVS WiFi namespace ..."));log_flush();
+ if( _nvs.putBytes(WIFI_NVS_SSID_KEY,_ssid,strlen(_ssid)+1) != strlen(_ssid)+1 ) {
+ log_error(F("\n[wifiParams] ERROR while saving SSID to NVS ?!?!"));log_flush();
+ }
+ if( _nvs.putBytes(WIFI_NVS_PASS_KEY,_pass,strlen(_pass)+1) != strlen(_pass)+1 ) {
+ log_error(F("\n[wifiParams] ERROR while saving PASS to NVS ?!?!"));log_flush();
+ }
+ }
+ // close NVS namespace
+ _nvs.end();
+ }
+#endif /* ESP32 */
+ return true;
+ }
+
// grab WiFi from previous settings (Wifi global var)
setWIFIsettings();
--
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