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/I2C.h@16:cbb726ac20d8, 2016-10-02 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 02 06:33:59 2016 +0000
Revision:
16:cbb726ac20d8
17

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 16:cbb726ac20d8 1 /* mbed Microcontroller Library
MikamiUitOpen 16:cbb726ac20d8 2 * Copyright (c) 2006-2015 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_I2C_H
MikamiUitOpen 16:cbb726ac20d8 17 #define MBED_I2C_H
MikamiUitOpen 16:cbb726ac20d8 18
MikamiUitOpen 16:cbb726ac20d8 19 #include "platform.h"
MikamiUitOpen 16:cbb726ac20d8 20
MikamiUitOpen 16:cbb726ac20d8 21 #if DEVICE_I2C
MikamiUitOpen 16:cbb726ac20d8 22
MikamiUitOpen 16:cbb726ac20d8 23 #include "i2c_api.h"
MikamiUitOpen 16:cbb726ac20d8 24
MikamiUitOpen 16:cbb726ac20d8 25 #if DEVICE_I2C_ASYNCH
MikamiUitOpen 16:cbb726ac20d8 26 #include "CThunk.h"
MikamiUitOpen 16:cbb726ac20d8 27 #include "dma_api.h"
MikamiUitOpen 16:cbb726ac20d8 28 #include "FunctionPointer.h"
MikamiUitOpen 16:cbb726ac20d8 29 #endif
MikamiUitOpen 16:cbb726ac20d8 30
MikamiUitOpen 16:cbb726ac20d8 31 namespace mbed {
MikamiUitOpen 16:cbb726ac20d8 32
MikamiUitOpen 16:cbb726ac20d8 33 /** An I2C Master, used for communicating with I2C slave devices
MikamiUitOpen 16:cbb726ac20d8 34 *
MikamiUitOpen 16:cbb726ac20d8 35 * Example:
MikamiUitOpen 16:cbb726ac20d8 36 * @code
MikamiUitOpen 16:cbb726ac20d8 37 * // Read from I2C slave at address 0x62
MikamiUitOpen 16:cbb726ac20d8 38 *
MikamiUitOpen 16:cbb726ac20d8 39 * #include "mbed.h"
MikamiUitOpen 16:cbb726ac20d8 40 *
MikamiUitOpen 16:cbb726ac20d8 41 * I2C i2c(p28, p27);
MikamiUitOpen 16:cbb726ac20d8 42 *
MikamiUitOpen 16:cbb726ac20d8 43 * int main() {
MikamiUitOpen 16:cbb726ac20d8 44 * int address = 0x62;
MikamiUitOpen 16:cbb726ac20d8 45 * char data[2];
MikamiUitOpen 16:cbb726ac20d8 46 * i2c.read(address, data, 2);
MikamiUitOpen 16:cbb726ac20d8 47 * }
MikamiUitOpen 16:cbb726ac20d8 48 * @endcode
MikamiUitOpen 16:cbb726ac20d8 49 */
MikamiUitOpen 16:cbb726ac20d8 50 class I2C {
MikamiUitOpen 16:cbb726ac20d8 51
MikamiUitOpen 16:cbb726ac20d8 52 public:
MikamiUitOpen 16:cbb726ac20d8 53 enum RxStatus {
MikamiUitOpen 16:cbb726ac20d8 54 NoData,
MikamiUitOpen 16:cbb726ac20d8 55 MasterGeneralCall,
MikamiUitOpen 16:cbb726ac20d8 56 MasterWrite,
MikamiUitOpen 16:cbb726ac20d8 57 MasterRead
MikamiUitOpen 16:cbb726ac20d8 58 };
MikamiUitOpen 16:cbb726ac20d8 59
MikamiUitOpen 16:cbb726ac20d8 60 enum Acknowledge {
MikamiUitOpen 16:cbb726ac20d8 61 NoACK = 0,
MikamiUitOpen 16:cbb726ac20d8 62 ACK = 1
MikamiUitOpen 16:cbb726ac20d8 63 };
MikamiUitOpen 16:cbb726ac20d8 64
MikamiUitOpen 16:cbb726ac20d8 65 /** Create an I2C Master interface, connected to the specified pins
MikamiUitOpen 16:cbb726ac20d8 66 *
MikamiUitOpen 16:cbb726ac20d8 67 * @param sda I2C data line pin
MikamiUitOpen 16:cbb726ac20d8 68 * @param scl I2C clock line pin
MikamiUitOpen 16:cbb726ac20d8 69 */
MikamiUitOpen 16:cbb726ac20d8 70 I2C(PinName sda, PinName scl);
MikamiUitOpen 16:cbb726ac20d8 71
MikamiUitOpen 16:cbb726ac20d8 72 /** Set the frequency of the I2C interface
MikamiUitOpen 16:cbb726ac20d8 73 *
MikamiUitOpen 16:cbb726ac20d8 74 * @param hz The bus frequency in hertz
MikamiUitOpen 16:cbb726ac20d8 75 */
MikamiUitOpen 16:cbb726ac20d8 76 void frequency(int hz);
MikamiUitOpen 16:cbb726ac20d8 77
MikamiUitOpen 16:cbb726ac20d8 78 /** Read from an I2C slave
MikamiUitOpen 16:cbb726ac20d8 79 *
MikamiUitOpen 16:cbb726ac20d8 80 * Performs a complete read transaction. The bottom bit of
MikamiUitOpen 16:cbb726ac20d8 81 * the address is forced to 1 to indicate a read.
MikamiUitOpen 16:cbb726ac20d8 82 *
MikamiUitOpen 16:cbb726ac20d8 83 * @param address 8-bit I2C slave address [ addr | 1 ]
MikamiUitOpen 16:cbb726ac20d8 84 * @param data Pointer to the byte-array to read data in to
MikamiUitOpen 16:cbb726ac20d8 85 * @param length Number of bytes to read
MikamiUitOpen 16:cbb726ac20d8 86 * @param repeated Repeated start, true - don't send stop at end
MikamiUitOpen 16:cbb726ac20d8 87 *
MikamiUitOpen 16:cbb726ac20d8 88 * @returns
MikamiUitOpen 16:cbb726ac20d8 89 * 0 on success (ack),
MikamiUitOpen 16:cbb726ac20d8 90 * non-0 on failure (nack)
MikamiUitOpen 16:cbb726ac20d8 91 */
MikamiUitOpen 16:cbb726ac20d8 92 int read(int address, char *data, int length, bool repeated = false);
MikamiUitOpen 16:cbb726ac20d8 93
MikamiUitOpen 16:cbb726ac20d8 94 /** Read a single byte from the I2C bus
MikamiUitOpen 16:cbb726ac20d8 95 *
MikamiUitOpen 16:cbb726ac20d8 96 * @param ack indicates if the byte is to be acknowledged (1 = acknowledge)
MikamiUitOpen 16:cbb726ac20d8 97 *
MikamiUitOpen 16:cbb726ac20d8 98 * @returns
MikamiUitOpen 16:cbb726ac20d8 99 * the byte read
MikamiUitOpen 16:cbb726ac20d8 100 */
MikamiUitOpen 16:cbb726ac20d8 101 int read(int ack);
MikamiUitOpen 16:cbb726ac20d8 102
MikamiUitOpen 16:cbb726ac20d8 103 /** Write to an I2C slave
MikamiUitOpen 16:cbb726ac20d8 104 *
MikamiUitOpen 16:cbb726ac20d8 105 * Performs a complete write transaction. The bottom bit of
MikamiUitOpen 16:cbb726ac20d8 106 * the address is forced to 0 to indicate a write.
MikamiUitOpen 16:cbb726ac20d8 107 *
MikamiUitOpen 16:cbb726ac20d8 108 * @param address 8-bit I2C slave address [ addr | 0 ]
MikamiUitOpen 16:cbb726ac20d8 109 * @param data Pointer to the byte-array data to send
MikamiUitOpen 16:cbb726ac20d8 110 * @param length Number of bytes to send
MikamiUitOpen 16:cbb726ac20d8 111 * @param repeated Repeated start, true - do not send stop at end
MikamiUitOpen 16:cbb726ac20d8 112 *
MikamiUitOpen 16:cbb726ac20d8 113 * @returns
MikamiUitOpen 16:cbb726ac20d8 114 * 0 on success (ack),
MikamiUitOpen 16:cbb726ac20d8 115 * non-0 on failure (nack)
MikamiUitOpen 16:cbb726ac20d8 116 */
MikamiUitOpen 16:cbb726ac20d8 117 int write(int address, const char *data, int length, bool repeated = false);
MikamiUitOpen 16:cbb726ac20d8 118
MikamiUitOpen 16:cbb726ac20d8 119 /** Write single byte out on the I2C bus
MikamiUitOpen 16:cbb726ac20d8 120 *
MikamiUitOpen 16:cbb726ac20d8 121 * @param data data to write out on bus
MikamiUitOpen 16:cbb726ac20d8 122 *
MikamiUitOpen 16:cbb726ac20d8 123 * @returns
MikamiUitOpen 16:cbb726ac20d8 124 * '1' if an ACK was received,
MikamiUitOpen 16:cbb726ac20d8 125 * '0' otherwise
MikamiUitOpen 16:cbb726ac20d8 126 */
MikamiUitOpen 16:cbb726ac20d8 127 int write(int data);
MikamiUitOpen 16:cbb726ac20d8 128
MikamiUitOpen 16:cbb726ac20d8 129 /** Creates a start condition on the I2C bus
MikamiUitOpen 16:cbb726ac20d8 130 */
MikamiUitOpen 16:cbb726ac20d8 131
MikamiUitOpen 16:cbb726ac20d8 132 void start(void);
MikamiUitOpen 16:cbb726ac20d8 133
MikamiUitOpen 16:cbb726ac20d8 134 /** Creates a stop condition on the I2C bus
MikamiUitOpen 16:cbb726ac20d8 135 */
MikamiUitOpen 16:cbb726ac20d8 136 void stop(void);
MikamiUitOpen 16:cbb726ac20d8 137
MikamiUitOpen 16:cbb726ac20d8 138 #if DEVICE_I2C_ASYNCH
MikamiUitOpen 16:cbb726ac20d8 139
MikamiUitOpen 16:cbb726ac20d8 140 /** Start non-blocking I2C transfer.
MikamiUitOpen 16:cbb726ac20d8 141 *
MikamiUitOpen 16:cbb726ac20d8 142 * @param address 8/10 bit I2c slave address
MikamiUitOpen 16:cbb726ac20d8 143 * @param tx_buffer The TX buffer with data to be transfered
MikamiUitOpen 16:cbb726ac20d8 144 * @param tx_length The length of TX buffer in bytes
MikamiUitOpen 16:cbb726ac20d8 145 * @param rx_buffer The RX buffer which is used for received data
MikamiUitOpen 16:cbb726ac20d8 146 * @param rx_length The length of RX buffer in bytes
MikamiUitOpen 16:cbb726ac20d8 147 * @param event The logical OR of events to modify
MikamiUitOpen 16:cbb726ac20d8 148 * @param callback The event callback function
MikamiUitOpen 16:cbb726ac20d8 149 * @param repeated Repeated start, true - do not send stop at end
MikamiUitOpen 16:cbb726ac20d8 150 * @return Zero if the transfer has started, or -1 if I2C peripheral is busy
MikamiUitOpen 16:cbb726ac20d8 151 */
MikamiUitOpen 16:cbb726ac20d8 152 int transfer(int address, const char *tx_buffer, int tx_length, char *rx_buffer, int rx_length, const event_callback_t& callback, int event = I2C_EVENT_TRANSFER_COMPLETE, bool repeated = false);
MikamiUitOpen 16:cbb726ac20d8 153
MikamiUitOpen 16:cbb726ac20d8 154 /** Abort the on-going I2C transfer
MikamiUitOpen 16:cbb726ac20d8 155 */
MikamiUitOpen 16:cbb726ac20d8 156 void abort_transfer();
MikamiUitOpen 16:cbb726ac20d8 157 protected:
MikamiUitOpen 16:cbb726ac20d8 158 void irq_handler_asynch(void);
MikamiUitOpen 16:cbb726ac20d8 159 event_callback_t _callback;
MikamiUitOpen 16:cbb726ac20d8 160 CThunk<I2C> _irq;
MikamiUitOpen 16:cbb726ac20d8 161 DMAUsage _usage;
MikamiUitOpen 16:cbb726ac20d8 162 #endif
MikamiUitOpen 16:cbb726ac20d8 163
MikamiUitOpen 16:cbb726ac20d8 164 protected:
MikamiUitOpen 16:cbb726ac20d8 165 void aquire();
MikamiUitOpen 16:cbb726ac20d8 166
MikamiUitOpen 16:cbb726ac20d8 167 i2c_t _i2c;
MikamiUitOpen 16:cbb726ac20d8 168 static I2C *_owner;
MikamiUitOpen 16:cbb726ac20d8 169 int _hz;
MikamiUitOpen 16:cbb726ac20d8 170 };
MikamiUitOpen 16:cbb726ac20d8 171
MikamiUitOpen 16:cbb726ac20d8 172 } // namespace mbed
MikamiUitOpen 16:cbb726ac20d8 173
MikamiUitOpen 16:cbb726ac20d8 174 #endif
MikamiUitOpen 16:cbb726ac20d8 175
MikamiUitOpen 16:cbb726ac20d8 176 #endif