esp_garden git · master

Distributed ESP sensor and actuator system (garden)

esp32 esp-idf iot sensors c++ sql · first commit 2025-10-15 · last commit 2026-01-20 (8 months ago) · synced 3 days ago · upstream: git.ide3.de/hsnr/mic/esp_garden

C++ 70.7% Markdown 18% C 10.7%

git clone https://git.christianimmanuel.de/embedded/esp_garden.gitwget https://git.christianimmanuel.de/embedded/esp_garden/archive/esp_garden.tar.gz

Fix Year 2038 proof

Christian Immanuel · 2025-10-23 09:16 · 510a5a2bad095a9d6101ffd36bffac89b2bd077b

 globals.h                   | 4 ++--
 post_server/WiFiManager.cpp | 6 +++---
 post_server/WiFiManager.h   | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/globals.h b/globals.h
index 6752685..2c13207 100644
--- a/globals.h
+++ b/globals.h
@@ -66,11 +66,11 @@ struct SensorConfig_s {
 struct SensorEntry {
     char table[TABLE_SIZE];
     char value[VALUE_SIZE];
-    uint32_t time;
+    uint64_t time;
 };
 
 typedef struct struct_message_server {
-    uint32_t time;
+    uint64_t time;
 } struct_message_server;
 
 typedef struct struct_message_client {
diff --git a/post_server/WiFiManager.cpp b/post_server/WiFiManager.cpp
index f90c9ac..4cb4b42 100644
--- a/post_server/WiFiManager.cpp
+++ b/post_server/WiFiManager.cpp
@@ -169,8 +169,8 @@ bool WIFI_GetSensorConfigServer(const char* sensor_name, SensorConfigServer_s &c
     return cfg.success;
 }
 
-uint32_t now() {
-    return (uint32_t)time(nullptr);
+uint64_t now() {
+    return (uint64_t)time(nullptr);
 }
 
 void WIFI_Try(uint8_t max_attempts) {
@@ -198,7 +198,7 @@ void WIFI_Try(uint8_t max_attempts) {
 void WIFI_SyncTime() {
     DBG_PRINTLN("Syncing time...");
     configTime(GMT_OFFSET_SEC, DAYLIGHT_OFFSET_SEC, NTP_SERVER);
-    uint32_t t = time(nullptr);
+    uint64_t t = now();
     uint8_t tries = 0;
     while (t < 1600000000 && tries++ < 20) { delay(500); t = time(nullptr); }
     if (t < 1600000000) DBG_PRINTLN("NTP sync failed!");
diff --git a/post_server/WiFiManager.h b/post_server/WiFiManager.h
index 79c49ab..7ba92e5 100644
--- a/post_server/WiFiManager.h
+++ b/post_server/WiFiManager.h
@@ -10,7 +10,7 @@ bool WIFI_GetSensorConfigServer(const char* sensor_name, SensorConfigServer_s &c
 using  WIFI_ReadingCallback = void(*)(const char* table, const char* value);
 extern WIFI_ReadingCallback WIFI_OnAddReading;
 
-uint32_t now();
+uint64_t now();
 void WIFI_Try(uint8_t max_attempts = 20);
 void WIFI_SyncTime();
 bool WIFI_PostBuffer();