不韋 呂 / F746_SD_GraphicEqualizer

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

mbed_src_STM32F7/api/SPISlave.h@24:f78f9d0ac262, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 04:07:35 2017 +0000
Revision:
24:f78f9d0ac262
Parent:
16:cbb726ac20d8 
25

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 16:cbb726ac20d8 1 /* mbed Microcontroller Library
MikamiUitOpen 16:cbb726ac20d8 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 16:cbb726ac20d8 3 *
MikamiUitOpen 16:cbb726ac20d8 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 16:cbb726ac20d8 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 16:cbb726ac20d8 6 * You may obtain a copy of the License at
MikamiUitOpen 16:cbb726ac20d8 7 *
MikamiUitOpen 16:cbb726ac20d8 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 16:cbb726ac20d8 9 *
MikamiUitOpen 16:cbb726ac20d8 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 16:cbb726ac20d8 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 16:cbb726ac20d8 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 16:cbb726ac20d8 13 * See the License for the specific language governing permissions and
MikamiUitOpen 16:cbb726ac20d8 14 * limitations under the License.
MikamiUitOpen 16:cbb726ac20d8 15 */
MikamiUitOpen 16:cbb726ac20d8 16 #ifndef MBED_SPISLAVE_H
MikamiUitOpen 16:cbb726ac20d8 17 #define MBED_SPISLAVE_H
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 #include "platform.h"
MikamiUitOpen 16:cbb726ac20d8 20
MikamiUitOpen 16:cbb726ac20d8 21 #if DEVICE_SPISLAVE
MikamiUitOpen 16:cbb726ac20d8 22
MikamiUitOpen 16:cbb726ac20d8 23 #include "spi_api.h"
MikamiUitOpen 16:cbb726ac20d8 24
MikamiUitOpen 16:cbb726ac20d8 25 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 26
MikamiUitOpen 16:cbb726ac20d8 27 /** A SPI slave, used for communicating with a SPI Master device
MikamiUitOpen 16:cbb726ac20d8 28 *
MikamiUitOpen 16:cbb726ac20d8 29 * The default format is set to 8-bits, mode 0, and a clock frequency of 1MHz
MikamiUitOpen 16:cbb726ac20d8 30 *
MikamiUitOpen 16:cbb726ac20d8 31 * Example:
MikamiUitOpen 16:cbb726ac20d8 32 * @code
MikamiUitOpen 16:cbb726ac20d8 33 * // Reply to a SPI master as slave
MikamiUitOpen 16:cbb726ac20d8 34 *
MikamiUitOpen 16:cbb726ac20d8 35 * #include "mbed.h"
MikamiUitOpen 16:cbb726ac20d8 36 *
MikamiUitOpen 16:cbb726ac20d8 37 * SPISlave device(p5, p6, p7, p8); // mosi, miso, sclk, ssel
MikamiUitOpen 16:cbb726ac20d8 38 *
MikamiUitOpen 16:cbb726ac20d8 39 * int main() {
MikamiUitOpen 16:cbb726ac20d8 40 * device.reply(0x00); // Prime SPI with first reply
MikamiUitOpen 16:cbb726ac20d8 41 * while(1) {
MikamiUitOpen 16:cbb726ac20d8 42 * if(device.receive()) {
MikamiUitOpen 16:cbb726ac20d8 43 * int v = device.read(); // Read byte from master
MikamiUitOpen 16:cbb726ac20d8 44 * v = (v + 1) % 0x100; // Add one to it, modulo 256
MikamiUitOpen 16:cbb726ac20d8 45 * device.reply(v); // Make this the next reply
MikamiUitOpen 16:cbb726ac20d8 46 * }
MikamiUitOpen 16:cbb726ac20d8 47 * }
MikamiUitOpen 16:cbb726ac20d8 48 * }
MikamiUitOpen 16:cbb726ac20d8 49 * @endcode
MikamiUitOpen 16:cbb726ac20d8 50 */
MikamiUitOpen 16:cbb726ac20d8 51 class SPISlave {
MikamiUitOpen 16:cbb726ac20d8 52
MikamiUitOpen 16:cbb726ac20d8 53 public:
MikamiUitOpen 16:cbb726ac20d8 54
MikamiUitOpen 16:cbb726ac20d8 55 /** Create a SPI slave connected to the specified pins
MikamiUitOpen 16:cbb726ac20d8 56 *
MikamiUitOpen 16:cbb726ac20d8 57 * mosi or miso can be specfied as NC if not used
MikamiUitOpen 16:cbb726ac20d8 58 *
MikamiUitOpen 16:cbb726ac20d8 59 * @param mosi SPI Master Out, Slave In pin
MikamiUitOpen 16:cbb726ac20d8 60 * @param miso SPI Master In, Slave Out pin
MikamiUitOpen 16:cbb726ac20d8 61 * @param sclk SPI Clock pin
MikamiUitOpen 16:cbb726ac20d8 62 * @param ssel SPI chip select pin
MikamiUitOpen 16:cbb726ac20d8 63 */
MikamiUitOpen 16:cbb726ac20d8 64 SPISlave(PinName mosi, PinName miso, PinName sclk, PinName ssel);
MikamiUitOpen 16:cbb726ac20d8 65
MikamiUitOpen 16:cbb726ac20d8 66 /** Configure the data transmission format
MikamiUitOpen 16:cbb726ac20d8 67 *
MikamiUitOpen 16:cbb726ac20d8 68 * @param bits Number of bits per SPI frame (4 - 16)
MikamiUitOpen 16:cbb726ac20d8 69 * @param mode Clock polarity and phase mode (0 - 3)
MikamiUitOpen 16:cbb726ac20d8 70 *
MikamiUitOpen 16:cbb726ac20d8 71 * @code
MikamiUitOpen 16:cbb726ac20d8 72 * mode | POL PHA
MikamiUitOpen 16:cbb726ac20d8 73 * -----+--------
MikamiUitOpen 16:cbb726ac20d8 74 * 0 | 0 0
MikamiUitOpen 16:cbb726ac20d8 75 * 1 | 0 1
MikamiUitOpen 16:cbb726ac20d8 76 * 2 | 1 0
MikamiUitOpen 16:cbb726ac20d8 77 * 3 | 1 1
MikamiUitOpen 16:cbb726ac20d8 78 * @endcode
MikamiUitOpen 16:cbb726ac20d8 79 */
MikamiUitOpen 16:cbb726ac20d8 80 void format(int bits, int mode = 0);
MikamiUitOpen 16:cbb726ac20d8 81
MikamiUitOpen 16:cbb726ac20d8 82 /** Set the spi bus clock frequency
MikamiUitOpen 16:cbb726ac20d8 83 *
MikamiUitOpen 16:cbb726ac20d8 84 * @param hz SCLK frequency in hz (default = 1MHz)
MikamiUitOpen 16:cbb726ac20d8 85 */
MikamiUitOpen 16:cbb726ac20d8 86 void frequency(int hz = 1000000);
MikamiUitOpen 16:cbb726ac20d8 87
MikamiUitOpen 16:cbb726ac20d8 88 /** Polls the SPI to see if data has been received
MikamiUitOpen 16:cbb726ac20d8 89 *
MikamiUitOpen 16:cbb726ac20d8 90 * @returns
MikamiUitOpen 16:cbb726ac20d8 91 * 0 if no data,
MikamiUitOpen 16:cbb726ac20d8 92 * 1 otherwise
MikamiUitOpen 16:cbb726ac20d8 93 */
MikamiUitOpen 16:cbb726ac20d8 94 int receive(void);
MikamiUitOpen 16:cbb726ac20d8 95
MikamiUitOpen 16:cbb726ac20d8 96 /** Retrieve data from receive buffer as slave
MikamiUitOpen 16:cbb726ac20d8 97 *
MikamiUitOpen 16:cbb726ac20d8 98 * @returns
MikamiUitOpen 16:cbb726ac20d8 99 * the data in the receive buffer
MikamiUitOpen 16:cbb726ac20d8 100 */
MikamiUitOpen 16:cbb726ac20d8 101 int read(void);
MikamiUitOpen 16:cbb726ac20d8 102
MikamiUitOpen 16:cbb726ac20d8 103 /** Fill the transmission buffer with the value to be written out
MikamiUitOpen 16:cbb726ac20d8 104 * as slave on the next received message from the master.
MikamiUitOpen 16:cbb726ac20d8 105 *
MikamiUitOpen 16:cbb726ac20d8 106 * @param value the data to be transmitted next
MikamiUitOpen 16:cbb726ac20d8 107 */
MikamiUitOpen 16:cbb726ac20d8 108 void reply(int value);
MikamiUitOpen 16:cbb726ac20d8 109
MikamiUitOpen 16:cbb726ac20d8 110 protected:
MikamiUitOpen 16:cbb726ac20d8 111 spi_t _spi;
MikamiUitOpen 16:cbb726ac20d8 112
MikamiUitOpen 16:cbb726ac20d8 113 int _bits;
MikamiUitOpen 16:cbb726ac20d8 114 int _mode;
MikamiUitOpen 16:cbb726ac20d8 115 int _hz;
MikamiUitOpen 16:cbb726ac20d8 116 };
MikamiUitOpen 16:cbb726ac20d8 117
MikamiUitOpen 16:cbb726ac20d8 118 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 119
MikamiUitOpen 16:cbb726ac20d8 120 #endif
MikamiUitOpen 16:cbb726ac20d8 121
MikamiUitOpen 16:cbb726ac20d8 122 #endif