add circuitpython code

1 files changed, 49 insertions, 0 deletions

diff --git a/circuitpython/shared-module/keypad/ShiftRegisterKeys.h b/circuitpython/shared-module/keypad/ShiftRegisterKeys.h
new file mode 100644
index 0000000..84c66ef
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+++ b/circuitpython/shared-module/keypad/ShiftRegisterKeys.h
@@ -0,0 +1,49 @@
+/*
+ * 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_MODULE_KEYPAD_SHIFTREGISTERKEYS_H
+#define MICROPY_INCLUDED_SHARED_MODULE_KEYPAD_SHIFTREGISTERKEYS_H
+
+#include "py/obj.h"
+#include "py/objtuple.h"
+
+#include "common-hal/digitalio/DigitalInOut.h"
+#include "shared-module/keypad/__init__.h"
+#include "shared-module/keypad/EventQueue.h"
+
+typedef struct {
+    KEYPAD_SCANNER_COMMON_FIELDS;
+    digitalio_digitalinout_obj_t *clock;
+    digitalio_digitalinout_obj_t *data;
+    digitalio_digitalinout_obj_t *latch;
+    size_t key_count;
+    bool value_when_pressed;
+    bool value_to_latch;
+} keypad_shiftregisterkeys_obj_t;
+
+void keypad_shiftregisterkeys_scan(keypad_shiftregisterkeys_obj_t *self);
+
+#endif  // MICROPY_INCLUDED_SHARED_MODULE_KEYPAD_SHIFTREGISTERKEYS_H