Software Upload 1

Erste Funktionen zur Firmware erstellt. Keyboard auslesen im Warteschlangen Prinzip. Test-Programm mit 3x4-Matrix Tastatur

dev/digital/Firmware_TEST/include/FIRMWARE.h

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+/*
+    @file:      FIRMARE.h
+    @author:    Erik Tóth
+    @contact:   etoth@tsn.at
+    @date:      2025-10-26
+    @brief:     Header for FIRMWARE.cpp
+*/
+#include <Arduino.h>
+#include <Wire.h>
+#include <Adafruit_MCP4728.h>
+
+#ifndef FIRMWARE_H
+#define FIRMWARE_H
+
+#define N_MAX_QUEUE 10
+#define N_MAX_ROWS  8
+#define N_MAX_COLS  8
+#define MS_DEBOUNCE 20
+
+struct Key
+{
+    int row;
+    int col;
+};
+
+const Key NOT_A_KEY = {-1, -1};
+
+bool isNotKey(Key k);
+bool isEqualKey(Key k1, Key k2);
+
+class Keyboard
+{
+    public:
+        Keyboard(uint8_t nRows, uint8_t nCols, uint8_t *pinsRow, uint8_t *pinsCol);
+        void begin();
+        void update();
+        int getQueueLength();
+        Key getQueue(uint8_t index);
+
+    private:
+        uint8_t _nRows;
+        uint8_t _nCols;
+        uint8_t *_pinsRow;
+        uint8_t *_pinsCol;
+
+        bool _keyState[N_MAX_COLS][N_MAX_ROWS];
+        bool _keyStateLatest[N_MAX_COLS][N_MAX_ROWS];
+        unsigned long _lastChangeTime[N_MAX_COLS][N_MAX_ROWS];
+
+        Key _activeKeys[N_MAX_QUEUE];
+        uint8_t _nActiveKeys;
+        uint8_t _nSticky;
+
+        void _addActiveKey(uint8_t row, uint8_t col);
+        void _removeActiveKey(uint8_t row, uint8_t col);
+        bool _inQueue(uint8_t row, uint8_t col);
+        bool _inQueue(Key k);
+        bool _isNotKey(Key k);
+        bool _isEqualKey(Key k1, Key k2);
+};
+
+#endif