From 2c15ae43ae58856a8c3b2361f54c792b8a9ea276 Mon Sep 17 00:00:00 2001
From: Hector van der Aa <hector@h3cx.dev>
Date: Fri, 27 Mar 2026 23:23:14 +0100
Subject: [PATCH] Initial thermocouple impl

---
 platformio.ini                            |  1 +
 src/main.cpp                              |  4 +--
 src/modules/thermocouple/thermocouple.cpp | 24 ++++++++++++++++++
 src/modules/thermocouple/thermocouple.h   | 31 +++++++++++++++++++++++
 4 files changed, 58 insertions(+), 2 deletions(-)
 create mode 100644 src/modules/thermocouple/thermocouple.cpp
 create mode 100644 src/modules/thermocouple/thermocouple.h

diff --git a/platformio.ini b/platformio.ini
index 565c2e4..46ad391 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -19,3 +19,4 @@ monitor_filters = send_on_enter
 lib_deps = 
 	marcoschwartz/LiquidCrystal_I2C@^1.1.4
 	mikalhart/TinyGPSPlus@^1.1.0
+	adafruit/MAX6675 library@^1.1.2
diff --git a/src/main.cpp b/src/main.cpp
index f27f51f..0a66fb4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -61,10 +61,10 @@ void setup() {
   driver_display->print_message("GPS Init Complete");
   delay(1000);
 
-  driver_display->print_message("Bat Init...");
+  driver_display->print_message("Sensors Init...");
   battery_handler->init();
   delay(1000);
-  driver_display->print_message("Bat Init Complete");
+  driver_display->print_message("Sensors Init Complete");
   delay(1000);
   router::send(MOD_LCD, TASK_DISPLAY_DRIVER_PRIMARY);
 }
diff --git a/src/modules/thermocouple/thermocouple.cpp b/src/modules/thermocouple/thermocouple.cpp
new file mode 100644
index 0000000..eb02cf4
--- /dev/null
+++ b/src/modules/thermocouple/thermocouple.cpp
@@ -0,0 +1,24 @@
+// Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
+// Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "thermocouple.h"
+
+int thermocouple::push(const Task &task) { return _queue.push(task); }
+
+thermocouple::thermocouple() : _logger(nullptr) {}
+
+thermocouple::thermocouple(system_logger *logger) : _logger(logger) {}
+
+thermocouple::~thermocouple() {}
+
+int thermocouple::init() {
+    _thermocouple = new MAX6675(THERMO_SCK, THERMO_CS, THERMO_SO);
+    return 0;
+}
+
+int thermocouple::loop(unsigned long timeout_ms) {
+   if (millis() > _last_read + _update_interval) {
+    _temp = _thermocouple->readCelsius();
+   } 
+}
\ No newline at end of file
diff --git a/src/modules/thermocouple/thermocouple.h b/src/modules/thermocouple/thermocouple.h
new file mode 100644
index 0000000..e6778ec
--- /dev/null
+++ b/src/modules/thermocouple/thermocouple.h
@@ -0,0 +1,31 @@
+// Copyright (C) 2026 Hector van der Aa <hector@h3cx.dev>
+// Copyright (C) 2026 Association Exergie <association.exergie@gmail.com>
+// SPDX-License-Identifier: GPL-3.0-or-later
+#pragma once
+#define THERMO_CS A1
+#define THERMO_SO A0
+#define THERMO_SCK A2
+#include "base/module_base.h"
+#include "base/ring_buffer.h"
+#include "custom_types.h"
+#include "modules/logger/system_logger.h"
+#include <Arduino.h>
+#include <max6675.h>
+
+class thermocouple : public module_base {
+private:
+  system_logger *_logger;
+  ring_buffer<Task, 16> _queue;
+  MAX6675 *_thermocouple;
+  double _temp;
+  unsigned long _update_interval = 1000;
+  unsigned long _last_read = 0;
+
+public:
+  int push(const Task &task) override;
+  thermocouple();
+  thermocouple(system_logger *logger);
+  ~thermocouple();
+  int init();
+  int loop(unsigned long timeout_ms = 500);
+};
\ No newline at end of file