remove const temp measurement from core to the ext app. we don't need it (#3259)

firmware/application/external/mcu_temperature/temperature_logger.hpp

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __TEMPERATURE_LOGGER_H__
+#define __TEMPERATURE_LOGGER_H__
+
+#include <cstddef>
+#include <cstdint>
+#include <array>
+#include <vector>
+
+namespace ui::external_app::mcu_temperature {
+
+class TemperatureLogger {
+   public:
+    using sample_t = int8_t;
+
+    void second_tick();
+
+    size_t size() const;
+    size_t capacity() const;
+
+    std::vector<sample_t> history() const;
+
+   private:
+    std::array<sample_t, 128> samples{};
+
+    static constexpr size_t sample_interval = 5;
+    size_t sample_phase = 0;
+    size_t samples_count = 0;
+
+    sample_t read_sample();
+    void push_sample(const sample_t sample);
+};
+
+}  // namespace ui::external_app::mcu_temperature
+
+#endif /*__TEMPERATURE_LOGGER_H__*/