1 files changed, 32 insertions, 0 deletions
diff --git a/src/include/calculator.hpp b/src/include/calculator.hpp
new file mode 100644
index 0000000..8c5e97a
--- /dev/null
+++ b/src/include/calculator.hpp
@@ -0,0 +1,32 @@
+#pragma once
+#include "LCD_I2C.hpp"
+#include "keypad.hpp"
+#include "tokenizer.hpp"
+#define LCD_COLUMNS 16
+#define LCD_ROWS 2
+#define I2C_ADDRESS 0x27
+
+class Calculator {
+private:
+  LCD_I2C *display;
+  Keypad *default_keypad;
+  Tokenizer tokenizer = Tokenizer();
+  char default_keypad_chars[4][4] = {
+    {'1', '2', '3', '+'},
+    {'4', '5', '6', '-'},
+    {'7', '8', '9', '*'},
+    {'(', '0', ')', '='}
+  };
+  char secondary_keypad[4][4] = {
+    {'1', '2', '3', '+'},
+    {'4', '5', '6', '-'},
+    {'7', '8', '9', '/'},
+    {'(', '0', ')', '='}
+  };
+  uint keypad_col_pins[4] = {6, 7, 8, 9};
+  uint keypad_row_pins[4] = {16, 17, 18, 19};
+public:
+  Calculator();
+  ~Calculator();
+  void run();
+};