Renaming, refactoring.

include/led_matrix.h

@@ -0,0 +1,56 @@
+#ifndef LEDMATRIX_H
+#define LEDMATRIX_H
+
+#include <Arduino.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_NeoMatrix.h>
+#include "wordclock_constants.h"
+#include "udp_logger.h"
+
+#define DEFAULT_CURRENT_LIMIT 9999
+
+extern const uint32_t colors_24bit[NUM_COLORS];
+
+class LEDMatrix
+{
+public:
+    LEDMatrix(Adafruit_NeoMatrix * matrix, uint8_t brightness, UDPLogger * logger);
+    static uint16_t color_24_to_16bit(uint32_t color24bit);
+    static uint32_t color_24bit(uint8_t r, uint8_t g, uint8_t b);
+    static uint32_t interpolate_color_24bit(uint32_t color1, uint32_t color2, float factor);
+    static uint32_t wheel(uint8_t WheelPos);
+    void draw_on_matrix_instant();
+    void draw_on_matrix_smooth(float factor);
+    void flush(void);
+    void grid_add_pixel(uint8_t x, uint8_t y, uint32_t color);
+    void print_char(uint8_t xpos, uint8_t ypos, char character, uint32_t color);
+    void print_number(uint8_t xpos, uint8_t ypos, uint8_t number, uint32_t color);
+    void set_brightness(uint8_t mybrightness);
+    void set_current_limit(uint16_t new_current_limit);
+    void set_min_indicator(uint8_t pattern, uint32_t color);
+    void setup_matrix();
+
+private:
+    Adafruit_NeoMatrix * _neomatrix;
+    UDPLogger * _logger;
+
+    uint8_t _brightness;
+    uint16_t _current_limit;
+
+    // target representation of matrix as 2D array
+    uint32_t _target_grid[MATRIX_HEIGHT][MATRIX_WIDTH] = {0};
+
+    // current representation of matrix as 2D array
+    uint32_t _current_grid[MATRIX_HEIGHT][MATRIX_WIDTH] = {0};
+
+    // target representation of minutes indicator leds
+    uint32_t _target_indicators[4] = {0, 0, 0, 0};
+
+    // current representation of minutes indicator leds
+    uint32_t _current_indicators[4] = {0, 0, 0, 0};
+
+    void _draw_on_matrix(float factor);
+    uint16_t _calc_estimated_led_current(uint32_t color);
+};
+
+#endif  /* LEDMATRIX_H */