不韋 呂
Output the audio signal with filtering by graphic equalizer in the *.wav file on the SD card using onboard CODEC. SD カードの *.wav ファイルのオーディオ信号をグラフィック･イコライザを通して，ボードに搭載されているCODEC で出力する．
Dependencies: F746_GUI F746_SAI_IO SD_PlayerSkeleton FrequencyResponseDrawer
Diff: mbed_src_STM32F7/hal/buffer.h
- Revision:
- 16:cbb726ac20d8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed_src_STM32F7/hal/buffer.h Sun Oct 02 06:33:59 2016 +0000
@@ -0,0 +1,30 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2014-2015 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef MBED_BUFFER_H
+#define MBED_BUFFER_H
+
+#include <stddef.h>
+
+/** Generic buffer structure
+ */
+typedef struct buffer_s {
+ void *buffer; /**< the pointer to a buffer */
+ size_t length; /**< the buffer length */
+ size_t pos; /**< actual buffer position */
+ uint8_t width; /**< The buffer unit width (8, 16, 32, 64), used for proper *buffer casting */
+} buffer_t;
+
+#endif