feature/hardware: Add MatrixKeyboard

Signed-off-by: lbuque <[email protected]>

Author: lbuque

m5stack/libs/hardware/__init__.py

@@ -12,3 +12,4 @@
 from .rfid import RFID
 from .rotary import Rotary
 from .keyboard import Keyboard
+from .matrix_keyboard import MatrixKeyboard

m5stack/libs/hardware/manifest.py

@@ -6,6 +6,7 @@
         "keyboard/asciimap.py",
         "button.py",
         "ir.py",
+        "matrix_keyboard.py",
         "rfid.py",
         "rgb.py",
         "rotary.py",

m5stack/libs/hardware/matrix_keyboard.py

@@ -0,0 +1,46 @@
+from .keyboard import Keyboard
+from micropython import schedule
+
+class MatrixKeyboard(Keyboard):
+    def __init__(self) -> None:
+        super().__init__()
+        self._keys = []
+        self._handler = None
+
+    def get_key(self) -> int:
+        if self._keys:
+            return self._keys.pop(0)
+        else:
+            return None
+
+    def get_string(self) -> str:
+        return chr(self.get_key())
+
+    def is_pressed(self) -> bool:
+        if self._keys:
+            return True
+        else:
+            return False
+
+    def set_callback(self, handler) -> None:
+        self._handler = handler
+
+    def tick(self) -> None:
+        self.updateKeyList()
+        self.updateKeysState()
+        if self.isChange():
+            if self.isPressed():
+                status = self.keysState()
+                if status.tab:
+                    self._keys.append(0x09)
+                elif status.enter:
+                    self._keys.append(0x0D)
+                elif status.delete:
+                    self._keys.append(0x08)
+                elif status.space:
+                    self._keys.append(0x20)
+                else:
+                    for word in status.word:
+                        self._keys.append(word)
+        if self.is_pressed() and self._handler:
+            schedule(self._handler, self)