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diff --git a/movement/watch_faces/settings/nanosec_face.h b/movement/watch_faces/settings/nanosec_face.h
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+/*
+ * MIT License
+ *
+ * Copyright (c) 2022 Mikhail Svarichevsky https://3.14.by/
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef NANOSEC_FACE_H_
+#define NANOSEC_FACE_H_
+
+#include "movement.h"
+
+#define nanosec_profile_count 5
+typedef struct {
+    // Correction profiles:
+    // 0 - static hardware correction.
+    // 1 - static correction with dithering.
+    // 2 - datasheet quadratic correction (universal).
+    // 3 - cubic correction conservative (likely universal).
+    // 4 - cubic correction finetuned (sample-specific).
+    int8_t correction_profile;
+    int16_t freq_correction; // Static correction - multiplied by 100
+    int16_t center_temperature; // Multiplied by 100, +25.0 -> +2500
+    int16_t quadratic_tempco; // 0.034 -> 3400, multiplied by 100000. Stored positive, used as negative.
+    int16_t cubic_tempco; // default 0, 0.000136 -> 1360, multiplied by 10000000. Stored positive, used positive.
+    int8_t correction_cadence;
+    uint32_t last_correction_time; // Not used at the moment - but will in the future
+    int16_t aging_ppm_pa; // multiplied by 100. Aging per year. 
+} nanosec_state_t;
+
+void nanosec_face_setup(movement_settings_t *settings, uint8_t watch_face_index, void ** context_ptr);
+void nanosec_face_activate(movement_settings_t *settings, void *context);
+bool nanosec_face_loop(movement_event_t event, movement_settings_t *settings, void *context);
+void nanosec_face_resign(movement_settings_t *settings, void *context);
+bool nanosec_face_wants_background_task(movement_settings_t *settings, void *context);
+void nanosec_ui_save(void);
+void nanosec_save(void);
+float nanosec_get_aging(void);
+
+
+#define nanosec_face ((const watch_face_t) { \
+    nanosec_face_setup, \
+    nanosec_face_activate, \
+    nanosec_face_loop, \
+    nanosec_face_resign, \
+    nanosec_face_wants_background_task, \
+})
+
+#endif // NANOSEC_FACE_H_
+