From 555e85e00ae1b078077b7414a5ba13c603a83237 Mon Sep 17 00:00:00 2001
From: Hector van der Aa <hector@h3cx.dev>
Date: Wed, 25 Mar 2026 19:22:45 +0100
Subject: [PATCH] Added auto track detection config task handler

---
 src/modules/config/config.h | 94 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 93 insertions(+), 1 deletion(-)

diff --git a/src/modules/config/config.h b/src/modules/config/config.h
index 45694e3..0a8d66b 100644
--- a/src/modules/config/config.h
+++ b/src/modules/config/config.h
@@ -9,6 +9,16 @@
 #include "flags.h"
 #include "modules/logger/system_logger.h"
 #include <EEPROM.h>
+#include "data/gps_store.h"
+
+struct task_config_track_detect_data {
+  unsigned short last_checked = 0;
+  unsigned short smallest_idx = 0;
+  double cos;
+  double sqdiff = 0;
+  double gps_lat;
+  double gps_lng;
+};
 
 class config : public module_base {
 private:
@@ -24,6 +34,7 @@ private:
   int write_cfg();
   int write_cfg(const vehicle_config &new_config);
   int handle_active_task(unsigned long timeout_ms);
+  int task_config_detect_track(unsigned long timeout_ms);
 
 
 public:
@@ -33,6 +44,8 @@ public:
   ~config();
   int auto_init();
   int loop(unsigned long timeout_ms = 500);
+  int get_track(unsigned int idx, track_data &t);
+  int load_track(unsigned int idx);
 };
 
 int config::push(const Task &task) { return _queue.push(task); }
@@ -52,9 +65,58 @@ int config::write_cfg(const vehicle_config &new_config) {
   return 0;
 }
 
-int config::handle_active_task(unsigned long timeout_ms) {
+int config::task_config_detect_track(unsigned long timeout_ms) {
   unsigned long now = millis();
   unsigned long task_timeout = now + timeout_ms;
+  task_config_track_detect_data task_data;
+  if (!_task_memory_stale) {
+    memcpy(&task_data, _task_memory, sizeof(task_data));
+  } else {
+      gps_data current_gps;
+      gps_global_read(current_gps);
+      task_data.gps_lat = current_gps.lat.value;
+      task_data.gps_lng = current_gps.lng.value;
+      task_data.cos = cos(task_data.gps_lat * M_PI / 180);
+  }
+  while (true)
+  {
+    task_data.last_checked++;
+    track_data temp;
+    int res = this->get_track(task_data.last_checked, temp);
+    if (res == 0) {
+      
+      double delta_lat = temp.pt_a.lat - task_data.gps_lat;
+      double delta_lng = (temp.pt_a.lng - task_data.gps_lng) * task_data.cos;
+      double dist2 = delta_lat*delta_lat + delta_lng*delta_lng;
+      if (dist2 < task_data.sqdiff || task_data.smallest_idx == 0) {
+        task_data.smallest_idx = task_data.last_checked;
+        task_data.sqdiff = dist2;
+      }
+      if (task_data.last_checked >= 8) {
+        this->load_track(task_data.smallest_idx);  
+        _task_memory_stale = true;
+        _active_task = {MOD_NULL, TASK_NULL, 0};
+        return 0;
+      }
+    }
+    if (millis() > task_timeout) {
+      _task_memory_stale = false;
+      memcpy(_task_memory, &task_data, sizeof(task_data));
+      return 1;
+    }
+  }
+}
+
+int config::handle_active_task(unsigned long timeout_ms) {
+  switch (_active_task.type)
+  {
+  case TASK_CONFIG_TRACK_DETECT:
+    return task_config_detect_track(timeout_ms);
+    break;
+  
+  default:
+    break;
+  }
   return 0;
 }
 
@@ -94,3 +156,33 @@ int config::loop(unsigned long timeout_ms) {
   }
   return 0;
 }
+
+int config::get_track(unsigned int idx, track_data &t) {
+  if (idx < 1 || idx > 8) {
+    return 1;
+  }
+  if (_config.track_slot_occupied[idx-1] == false) {
+    return 1;
+  }
+  EEPROM.get(idx, t);
+  if (t.magic != CONFIG_MAGIC) {
+    return 1;
+  }
+  return 0;
+}
+
+int config::load_track(unsigned int idx) {
+  if (idx < 1 || idx > 8) {
+    return 1;
+  }
+  if (_config.track_slot_occupied[idx-1] == false) {
+    return 1;
+  }
+  track_data temp;
+  EEPROM.get(idx, temp);
+  if (temp.magic != CONFIG_MAGIC) {
+    return 1;
+  }
+  _loaded_track = temp;
+  return 0;
+}