1 files changed, 45 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/keypad/KeyMatrix.h b/circuitpython/shared-bindings/keypad/KeyMatrix.h
new file mode 100644
index 0000000..bdf77dd
--- /dev/null
+++ b/circuitpython/shared-bindings/keypad/KeyMatrix.h
@@ -0,0 +1,45 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2021 Dan Halbert for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_KEYPAD_KEYMATRIX_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_KEYPAD_KEYMATRIX_H
+
+#include "py/objlist.h"
+#include "shared-module/keypad/KeyMatrix.h"
+
+extern const mp_obj_type_t keypad_keymatrix_type;
+
+void common_hal_keypad_keymatrix_construct(keypad_keymatrix_obj_t *self, mp_uint_t num_row_pins, const mcu_pin_obj_t *row_pins[], mp_uint_t num_column_pins, const mcu_pin_obj_t *column_pins[], bool columns_to_anodes, mp_float_t interval, size_t max_events);
+
+void common_hal_keypad_keymatrix_deinit(keypad_keymatrix_obj_t *self);
+
+void common_hal_keypad_keymatrix_key_number_to_row_column(keypad_keymatrix_obj_t *self, mp_uint_t key_number, mp_uint_t *row, mp_uint_t *column);
+mp_uint_t common_hal_keypad_keymatrix_row_column_to_key_number(keypad_keymatrix_obj_t *self, mp_uint_t row, mp_uint_t column);
+
+size_t common_hal_keypad_keymatrix_get_column_count(keypad_keymatrix_obj_t *self);
+size_t common_hal_keypad_keymatrix_get_row_count(keypad_keymatrix_obj_t *self);
+
+#endif  // MICROPY_INCLUDED_SHARED_BINDINGS_KEYPAD_KEYMATRIX_H