不韋 呂 / F746_SD_VarableFilter

SD card player with variable cotoff frequency lowpass and highpass IIR filter. SD カードの *.wav ファイルのオーディオ信号を，遮断周波数可変 IIR 低域通過および高域通過フィルタを通して，ボードに搭載されているCODEC で出力する．このプログラムについては，CQ出版社インターフェース誌 2018年8月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO FrequencyResponseDrawer SD_PlayerSkeleton

mbed_src_STM32F7/api/mbed_debug.h@11:399670d24ed9, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 01:44:22 2017 +0000
Revision:
11:399670d24ed9
Parent:
2:dcaee06f6ccb 
12

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:dcaee06f6ccb 1 /* mbed Microcontroller Library
MikamiUitOpen 2:dcaee06f6ccb 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 2:dcaee06f6ccb 3 *
MikamiUitOpen 2:dcaee06f6ccb 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 2:dcaee06f6ccb 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 2:dcaee06f6ccb 6 * You may obtain a copy of the License at
MikamiUitOpen 2:dcaee06f6ccb 7 *
MikamiUitOpen 2:dcaee06f6ccb 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 2:dcaee06f6ccb 9 *
MikamiUitOpen 2:dcaee06f6ccb 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 2:dcaee06f6ccb 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 2:dcaee06f6ccb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 2:dcaee06f6ccb 13 * See the License for the specific language governing permissions and
MikamiUitOpen 2:dcaee06f6ccb 14 * limitations under the License.
MikamiUitOpen 2:dcaee06f6ccb 15 */
MikamiUitOpen 2:dcaee06f6ccb 16 #ifndef MBED_DEBUG_H
MikamiUitOpen 2:dcaee06f6ccb 17 #define MBED_DEBUG_H
MikamiUitOpen 2:dcaee06f6ccb 18 #include "device.h"
MikamiUitOpen 2:dcaee06f6ccb 19
MikamiUitOpen 2:dcaee06f6ccb 20 #ifdef __cplusplus
MikamiUitOpen 2:dcaee06f6ccb 21 extern "C" {
MikamiUitOpen 2:dcaee06f6ccb 22 #endif
MikamiUitOpen 2:dcaee06f6ccb 23
MikamiUitOpen 2:dcaee06f6ccb 24 #if DEVICE_STDIO_MESSAGES
MikamiUitOpen 2:dcaee06f6ccb 25 #include <stdio.h>
MikamiUitOpen 2:dcaee06f6ccb 26 #include <stdarg.h>
MikamiUitOpen 2:dcaee06f6ccb 27
MikamiUitOpen 2:dcaee06f6ccb 28 /** Output a debug message
MikamiUitOpen 2:dcaee06f6ccb 29 *
MikamiUitOpen 2:dcaee06f6ccb 30 * @param format printf-style format string, followed by variables
MikamiUitOpen 2:dcaee06f6ccb 31 */
MikamiUitOpen 2:dcaee06f6ccb 32 static inline void debug(const char *format, ...) {
MikamiUitOpen 2:dcaee06f6ccb 33 va_list args;
MikamiUitOpen 2:dcaee06f6ccb 34 va_start(args, format);
MikamiUitOpen 2:dcaee06f6ccb 35 vfprintf(stderr, format, args);
MikamiUitOpen 2:dcaee06f6ccb 36 va_end(args);
MikamiUitOpen 2:dcaee06f6ccb 37 }
MikamiUitOpen 2:dcaee06f6ccb 38
MikamiUitOpen 2:dcaee06f6ccb 39 /** Conditionally output a debug message
MikamiUitOpen 2:dcaee06f6ccb 40 *
MikamiUitOpen 2:dcaee06f6ccb 41 * NOTE: If the condition is constant false (!= 1) and the compiler optimization
MikamiUitOpen 2:dcaee06f6ccb 42 * level is greater than 0, then the whole function will be compiled away.
MikamiUitOpen 2:dcaee06f6ccb 43 *
MikamiUitOpen 2:dcaee06f6ccb 44 * @param condition output only if condition is true (== 1)
MikamiUitOpen 2:dcaee06f6ccb 45 * @param format printf-style format string, followed by variables
MikamiUitOpen 2:dcaee06f6ccb 46 */
MikamiUitOpen 2:dcaee06f6ccb 47 static inline void debug_if(int condition, const char *format, ...) {
MikamiUitOpen 2:dcaee06f6ccb 48 if (condition == 1) {
MikamiUitOpen 2:dcaee06f6ccb 49 va_list args;
MikamiUitOpen 2:dcaee06f6ccb 50 va_start(args, format);
MikamiUitOpen 2:dcaee06f6ccb 51 vfprintf(stderr, format, args);
MikamiUitOpen 2:dcaee06f6ccb 52 va_end(args);
MikamiUitOpen 2:dcaee06f6ccb 53 }
MikamiUitOpen 2:dcaee06f6ccb 54 }
MikamiUitOpen 2:dcaee06f6ccb 55
MikamiUitOpen 2:dcaee06f6ccb 56 #else
MikamiUitOpen 2:dcaee06f6ccb 57 static inline void debug(const char *format, ...) {}
MikamiUitOpen 2:dcaee06f6ccb 58 static inline void debug_if(int condition, const char *format, ...) {}
MikamiUitOpen 2:dcaee06f6ccb 59
MikamiUitOpen 2:dcaee06f6ccb 60 #endif
MikamiUitOpen 2:dcaee06f6ccb 61
MikamiUitOpen 2:dcaee06f6ccb 62 #ifdef __cplusplus
MikamiUitOpen 2:dcaee06f6ccb 63 }
MikamiUitOpen 2:dcaee06f6ccb 64 #endif
MikamiUitOpen 2:dcaee06f6ccb 65
MikamiUitOpen 2:dcaee06f6ccb 66 #endif