1 files changed, 49 insertions, 0 deletions
diff --git a/circuitpython/shared-bindings/audiobusio/PDMIn.h b/circuitpython/shared-bindings/audiobusio/PDMIn.h
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+++ b/circuitpython/shared-bindings/audiobusio/PDMIn.h
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+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Scott Shawcroft 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_AUDIOBUSIO_AUDIOOUT_H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOBUSIO_AUDIOOUT_H
+
+#include "common-hal/audiobusio/PDMIn.h"
+#include "common-hal/microcontroller/Pin.h"
+#include "extmod/vfs_fat.h"
+
+extern const mp_obj_type_t audiobusio_pdmin_type;
+
+#if CIRCUITPY_AUDIOBUSIO_PDMIN
+void common_hal_audiobusio_pdmin_construct(audiobusio_pdmin_obj_t *self,
+    const mcu_pin_obj_t *clock_pin, const mcu_pin_obj_t *data_pin,
+    uint32_t sample_rate, uint8_t bit_depth, bool mono, uint8_t oversample);
+void common_hal_audiobusio_pdmin_deinit(audiobusio_pdmin_obj_t *self);
+bool common_hal_audiobusio_pdmin_deinited(audiobusio_pdmin_obj_t *self);
+uint32_t common_hal_audiobusio_pdmin_record_to_buffer(audiobusio_pdmin_obj_t *self,
+    uint16_t *buffer, uint32_t length);
+uint8_t common_hal_audiobusio_pdmin_get_bit_depth(audiobusio_pdmin_obj_t *self);
+uint32_t common_hal_audiobusio_pdmin_get_sample_rate(audiobusio_pdmin_obj_t *self);
+// TODO(tannewt): Add record to file
+#endif
+
+#endif // MICROPY_INCLUDED_SHARED_BINDINGS_AUDIOBUSIO_AUDIOOUT_H