Move all firmware files to subdirectory

firmware/components/display/display_driver.h

@@ -0,0 +1,49 @@
+/*
+ * SPDX-License-Identifier: AGPL-3.0-only
+ * Copyright (c) Camden Dixie O'Brien
+ */
+
+#ifndef DISPLAY_DRIVER_H
+#define DISPLAY_DRIVER_H
+
+#include <stdbool.h>
+
+typedef enum {
+	DISPLAY_SEGMENT_A,
+	DISPLAY_SEGMENT_B,
+	DISPLAY_SEGMENT_C,
+	DISPLAY_SEGMENT_D,
+	DISPLAY_SEGMENT_E,
+	DISPLAY_SEGMENT_F,
+	DISPLAY_SEGMENT_G,
+	DISPLAY_SEGMENT_DP,
+	DISPLAY_SEGMENT_COUNT,
+} DisplaySegment;
+
+typedef enum {
+	DISPLAY_DIGIT_1,
+	DISPLAY_DIGIT_2,
+	DISPLAY_DIGIT_3,
+	DISPLAY_DIGIT_4,
+	DISPLAY_DIGIT_COUNT,
+} DisplayDigit;
+
+typedef bool DisplayDigitState[DISPLAY_SEGMENT_COUNT];
+typedef DisplayDigitState DisplayState[DISPLAY_DIGIT_COUNT];
+
+/**
+ * The current state of the display.
+ */
+extern DisplayState display_state;
+
+/**
+ * Initialize the display driver.
+ */
+void display_driver_init();
+
+/**
+ * Driver update task; should be ran regularly with a short period.
+ */
+void display_driver_task(void *arg);
+
+#endif