不韋 呂 / F746_AcousticEffector_MIC

Audio singal input and output example for DISCO-F746. Input: MEMS mic, Output: CN10 OUT, Acoustic effect: echo and frequency shift. DISCO-F746 によるオーディオ信号入出力．入力：MEMS マイク，出力：CN10 OUT，音響効果：エコー，周波数変換．

Dependencies:   F746_GUI F746_SAI_IO

mbed_src_STM32F7/hal/i2c_api.h@10:56f2f01df983, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:44:13 2017 +0000
Revision:
10:56f2f01df983
Parent:
6:38f7dce055d0 
11

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 6:38f7dce055d0 1 /* mbed Microcontroller Library
MikamiUitOpen 6:38f7dce055d0 2 * Copyright (c) 2006-2015 ARM Limited
MikamiUitOpen 6:38f7dce055d0 3 *
MikamiUitOpen 6:38f7dce055d0 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 6:38f7dce055d0 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 6:38f7dce055d0 6 * You may obtain a copy of the License at
MikamiUitOpen 6:38f7dce055d0 7 *
MikamiUitOpen 6:38f7dce055d0 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 6:38f7dce055d0 9 *
MikamiUitOpen 6:38f7dce055d0 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 6:38f7dce055d0 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 6:38f7dce055d0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 6:38f7dce055d0 13 * See the License for the specific language governing permissions and
MikamiUitOpen 6:38f7dce055d0 14 * limitations under the License.
MikamiUitOpen 6:38f7dce055d0 15 */
MikamiUitOpen 6:38f7dce055d0 16 #ifndef MBED_I2C_API_H
MikamiUitOpen 6:38f7dce055d0 17 #define MBED_I2C_API_H
MikamiUitOpen 6:38f7dce055d0 18
MikamiUitOpen 6:38f7dce055d0 19 #include "device.h"
MikamiUitOpen 6:38f7dce055d0 20 #include "buffer.h"
MikamiUitOpen 6:38f7dce055d0 21 #include "dma_api.h"
MikamiUitOpen 6:38f7dce055d0 22
MikamiUitOpen 6:38f7dce055d0 23 #if DEVICE_I2C
MikamiUitOpen 6:38f7dce055d0 24
MikamiUitOpen 6:38f7dce055d0 25 /**
MikamiUitOpen 6:38f7dce055d0 26 * @defgroup I2CEvents I2C Events Macros
MikamiUitOpen 6:38f7dce055d0 27 *
MikamiUitOpen 6:38f7dce055d0 28 * @{
MikamiUitOpen 6:38f7dce055d0 29 */
MikamiUitOpen 6:38f7dce055d0 30 #define I2C_EVENT_ERROR (1 << 1)
MikamiUitOpen 6:38f7dce055d0 31 #define I2C_EVENT_ERROR_NO_SLAVE (1 << 2)
MikamiUitOpen 6:38f7dce055d0 32 #define I2C_EVENT_TRANSFER_COMPLETE (1 << 3)
MikamiUitOpen 6:38f7dce055d0 33 #define I2C_EVENT_TRANSFER_EARLY_NACK (1 << 4)
MikamiUitOpen 6:38f7dce055d0 34 #define I2C_EVENT_ALL (I2C_EVENT_ERROR | I2C_EVENT_TRANSFER_COMPLETE | I2C_EVENT_ERROR_NO_SLAVE | I2C_EVENT_TRANSFER_EARLY_NACK)
MikamiUitOpen 6:38f7dce055d0 35
MikamiUitOpen 6:38f7dce055d0 36 /**@}*/
MikamiUitOpen 6:38f7dce055d0 37
MikamiUitOpen 6:38f7dce055d0 38 #if DEVICE_I2C_ASYNCH
MikamiUitOpen 6:38f7dce055d0 39 /** Asynch i2c hal structure
MikamiUitOpen 6:38f7dce055d0 40 */
MikamiUitOpen 6:38f7dce055d0 41 typedef struct {
MikamiUitOpen 6:38f7dce055d0 42 struct i2c_s i2c; /**< Target specific i2c structure */
MikamiUitOpen 6:38f7dce055d0 43 struct buffer_s tx_buff; /**< Tx buffer */
MikamiUitOpen 6:38f7dce055d0 44 struct buffer_s rx_buff; /**< Rx buffer */
MikamiUitOpen 6:38f7dce055d0 45 } i2c_t;
MikamiUitOpen 6:38f7dce055d0 46
MikamiUitOpen 6:38f7dce055d0 47 #else
MikamiUitOpen 6:38f7dce055d0 48 /** Non-asynch i2c hal structure
MikamiUitOpen 6:38f7dce055d0 49 */
MikamiUitOpen 6:38f7dce055d0 50 typedef struct i2c_s i2c_t;
MikamiUitOpen 6:38f7dce055d0 51
MikamiUitOpen 6:38f7dce055d0 52 #endif
MikamiUitOpen 6:38f7dce055d0 53
MikamiUitOpen 6:38f7dce055d0 54 enum {
MikamiUitOpen 6:38f7dce055d0 55 I2C_ERROR_NO_SLAVE = -1,
MikamiUitOpen 6:38f7dce055d0 56 I2C_ERROR_BUS_BUSY = -2
MikamiUitOpen 6:38f7dce055d0 57 };
MikamiUitOpen 6:38f7dce055d0 58
MikamiUitOpen 6:38f7dce055d0 59 #ifdef __cplusplus
MikamiUitOpen 6:38f7dce055d0 60 extern "C" {
MikamiUitOpen 6:38f7dce055d0 61 #endif
MikamiUitOpen 6:38f7dce055d0 62
MikamiUitOpen 6:38f7dce055d0 63 /**
MikamiUitOpen 6:38f7dce055d0 64 * \defgroup GeneralI2C I2C Configuration Functions
MikamiUitOpen 6:38f7dce055d0 65 * @{
MikamiUitOpen 6:38f7dce055d0 66 */
MikamiUitOpen 6:38f7dce055d0 67
MikamiUitOpen 6:38f7dce055d0 68 /** Initialize the I2C peripheral. It sets the default parameters for I2C
MikamiUitOpen 6:38f7dce055d0 69 * peripheral, and configure its specifieds pins.
MikamiUitOpen 6:38f7dce055d0 70 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 71 * @param sda The sda pin
MikamiUitOpen 6:38f7dce055d0 72 * @param scl The scl pin
MikamiUitOpen 6:38f7dce055d0 73 */
MikamiUitOpen 6:38f7dce055d0 74 void i2c_init(i2c_t *obj, PinName sda, PinName scl);
MikamiUitOpen 6:38f7dce055d0 75
MikamiUitOpen 6:38f7dce055d0 76 /** Configure the I2C frequency.
MikamiUitOpen 6:38f7dce055d0 77 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 78 * @param hz Frequency in Hz
MikamiUitOpen 6:38f7dce055d0 79 */
MikamiUitOpen 6:38f7dce055d0 80 void i2c_frequency(i2c_t *obj, int hz);
MikamiUitOpen 6:38f7dce055d0 81
MikamiUitOpen 6:38f7dce055d0 82 /** Send START command.
MikamiUitOpen 6:38f7dce055d0 83 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 84 */
MikamiUitOpen 6:38f7dce055d0 85 int i2c_start(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 86
MikamiUitOpen 6:38f7dce055d0 87 /** Send STOP command.
MikamiUitOpen 6:38f7dce055d0 88 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 89 */
MikamiUitOpen 6:38f7dce055d0 90 int i2c_stop(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 91
MikamiUitOpen 6:38f7dce055d0 92 /** Blocking reading data.
MikamiUitOpen 6:38f7dce055d0 93 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 94 * @param address 7-bit address (last bit is 1)
MikamiUitOpen 6:38f7dce055d0 95 * @param data The buffer for receiving
MikamiUitOpen 6:38f7dce055d0 96 * @param length Number of bytes to read
MikamiUitOpen 6:38f7dce055d0 97 * @param stop Stop to be generated after the transfer is done
MikamiUitOpen 6:38f7dce055d0 98 * @return Number of read bytes
MikamiUitOpen 6:38f7dce055d0 99 */
MikamiUitOpen 6:38f7dce055d0 100 int i2c_read(i2c_t *obj, int address, char *data, int length, int stop);
MikamiUitOpen 6:38f7dce055d0 101
MikamiUitOpen 6:38f7dce055d0 102 /** Blocking sending data.
MikamiUitOpen 6:38f7dce055d0 103 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 104 * @param address 7-bit address (last bit is 0)
MikamiUitOpen 6:38f7dce055d0 105 * @param data The buffer for sending
MikamiUitOpen 6:38f7dce055d0 106 * @param length Number of bytes to wrte
MikamiUitOpen 6:38f7dce055d0 107 * @param stop Stop to be generated after the transfer is done
MikamiUitOpen 6:38f7dce055d0 108 * @return Number of written bytes
MikamiUitOpen 6:38f7dce055d0 109 */
MikamiUitOpen 6:38f7dce055d0 110 int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop);
MikamiUitOpen 6:38f7dce055d0 111
MikamiUitOpen 6:38f7dce055d0 112 /** Reset I2C peripheral. TODO: The action here. Most of the implementation sends stop().
MikamiUitOpen 6:38f7dce055d0 113 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 114 */
MikamiUitOpen 6:38f7dce055d0 115 void i2c_reset(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 116
MikamiUitOpen 6:38f7dce055d0 117 /** Read one byte.
MikamiUitOpen 6:38f7dce055d0 118 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 119 * @param last Acknoledge
MikamiUitOpen 6:38f7dce055d0 120 * @return The read byte
MikamiUitOpen 6:38f7dce055d0 121 */
MikamiUitOpen 6:38f7dce055d0 122 int i2c_byte_read(i2c_t *obj, int last);
MikamiUitOpen 6:38f7dce055d0 123
MikamiUitOpen 6:38f7dce055d0 124 /** Write one byte.
MikamiUitOpen 6:38f7dce055d0 125 * @param obj The i2c object
MikamiUitOpen 6:38f7dce055d0 126 * @param data Byte to be written
MikamiUitOpen 6:38f7dce055d0 127 * @return 0 if NAK was received, 1 if ACK was received, 2 for timeout.
MikamiUitOpen 6:38f7dce055d0 128 */
MikamiUitOpen 6:38f7dce055d0 129 int i2c_byte_write(i2c_t *obj, int data);
MikamiUitOpen 6:38f7dce055d0 130
MikamiUitOpen 6:38f7dce055d0 131 /**@}*/
MikamiUitOpen 6:38f7dce055d0 132
MikamiUitOpen 6:38f7dce055d0 133 #if DEVICE_I2CSLAVE
MikamiUitOpen 6:38f7dce055d0 134
MikamiUitOpen 6:38f7dce055d0 135 /**
MikamiUitOpen 6:38f7dce055d0 136 * \defgroup SynchI2C Synchronous I2C Hardware Abstraction Layer for slave
MikamiUitOpen 6:38f7dce055d0 137 * @{
MikamiUitOpen 6:38f7dce055d0 138 */
MikamiUitOpen 6:38f7dce055d0 139
MikamiUitOpen 6:38f7dce055d0 140 /** Configure I2C as slave or master.
MikamiUitOpen 6:38f7dce055d0 141 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 142 * @return non-zero if a value is available
MikamiUitOpen 6:38f7dce055d0 143 */
MikamiUitOpen 6:38f7dce055d0 144 void i2c_slave_mode(i2c_t *obj, int enable_slave);
MikamiUitOpen 6:38f7dce055d0 145
MikamiUitOpen 6:38f7dce055d0 146 /** Check to see if the I2C slave has been addressed.
MikamiUitOpen 6:38f7dce055d0 147 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 148 * @return The status - 1 - read addresses, 2 - write to all slaves,
MikamiUitOpen 6:38f7dce055d0 149 * 3 write addressed, 0 - the slave has not been addressed
MikamiUitOpen 6:38f7dce055d0 150 */
MikamiUitOpen 6:38f7dce055d0 151 int i2c_slave_receive(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 152
MikamiUitOpen 6:38f7dce055d0 153 /** Configure I2C as slave or master.
MikamiUitOpen 6:38f7dce055d0 154 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 155 * @return non-zero if a value is available
MikamiUitOpen 6:38f7dce055d0 156 */
MikamiUitOpen 6:38f7dce055d0 157 int i2c_slave_read(i2c_t *obj, char *data, int length);
MikamiUitOpen 6:38f7dce055d0 158
MikamiUitOpen 6:38f7dce055d0 159 /** Configure I2C as slave or master.
MikamiUitOpen 6:38f7dce055d0 160 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 161 * @return non-zero if a value is available
MikamiUitOpen 6:38f7dce055d0 162 */
MikamiUitOpen 6:38f7dce055d0 163 int i2c_slave_write(i2c_t *obj, const char *data, int length);
MikamiUitOpen 6:38f7dce055d0 164
MikamiUitOpen 6:38f7dce055d0 165 /** Configure I2C address.
MikamiUitOpen 6:38f7dce055d0 166 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 167 * @param idx Currently not used
MikamiUitOpen 6:38f7dce055d0 168 * @param address The address to be set
MikamiUitOpen 6:38f7dce055d0 169 * @param mask Currently not used
MikamiUitOpen 6:38f7dce055d0 170 */
MikamiUitOpen 6:38f7dce055d0 171 void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask);
MikamiUitOpen 6:38f7dce055d0 172
MikamiUitOpen 6:38f7dce055d0 173 #endif
MikamiUitOpen 6:38f7dce055d0 174
MikamiUitOpen 6:38f7dce055d0 175 /**@}*/
MikamiUitOpen 6:38f7dce055d0 176
MikamiUitOpen 6:38f7dce055d0 177 #if DEVICE_I2C_ASYNCH
MikamiUitOpen 6:38f7dce055d0 178
MikamiUitOpen 6:38f7dce055d0 179 /**
MikamiUitOpen 6:38f7dce055d0 180 * \defgroup AsynchI2C Asynchronous I2C Hardware Abstraction Layer
MikamiUitOpen 6:38f7dce055d0 181 * @{
MikamiUitOpen 6:38f7dce055d0 182 */
MikamiUitOpen 6:38f7dce055d0 183
MikamiUitOpen 6:38f7dce055d0 184 /** Start i2c asynchronous transfer.
MikamiUitOpen 6:38f7dce055d0 185 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 186 * @param tx The buffer to send
MikamiUitOpen 6:38f7dce055d0 187 * @param tx_length The number of words to transmit
MikamiUitOpen 6:38f7dce055d0 188 * @param rx The buffer to receive
MikamiUitOpen 6:38f7dce055d0 189 * @param rx_length The number of words to receive
MikamiUitOpen 6:38f7dce055d0 190 * @param address The address to be set - 7bit or 9 bit
MikamiUitOpen 6:38f7dce055d0 191 * @param stop If true, stop will be generated after the transfer is done
MikamiUitOpen 6:38f7dce055d0 192 * @param handler The I2C IRQ handler to be set
MikamiUitOpen 6:38f7dce055d0 193 * @param hint DMA hint usage
MikamiUitOpen 6:38f7dce055d0 194 */
MikamiUitOpen 6:38f7dce055d0 195 void i2c_transfer_asynch(i2c_t *obj, const void *tx, size_t tx_length, void *rx, size_t rx_length, uint32_t address, uint32_t stop, uint32_t handler, uint32_t event, DMAUsage hint);
MikamiUitOpen 6:38f7dce055d0 196
MikamiUitOpen 6:38f7dce055d0 197 /** The asynchronous IRQ handler
MikamiUitOpen 6:38f7dce055d0 198 * @param obj The I2C object which holds the transfer information
MikamiUitOpen 6:38f7dce055d0 199 * @return event flags if a transfer termination condition was met or 0 otherwise.
MikamiUitOpen 6:38f7dce055d0 200 */
MikamiUitOpen 6:38f7dce055d0 201 uint32_t i2c_irq_handler_asynch(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 202
MikamiUitOpen 6:38f7dce055d0 203 /** Attempts to determine if I2C peripheral is already in use.
MikamiUitOpen 6:38f7dce055d0 204 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 205 * @return non-zero if the I2C module is active or zero if it is not
MikamiUitOpen 6:38f7dce055d0 206 */
MikamiUitOpen 6:38f7dce055d0 207 uint8_t i2c_active(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 208
MikamiUitOpen 6:38f7dce055d0 209 /** Abort ongoing asynchronous transaction.
MikamiUitOpen 6:38f7dce055d0 210 * @param obj The I2C object
MikamiUitOpen 6:38f7dce055d0 211 */
MikamiUitOpen 6:38f7dce055d0 212 void i2c_abort_asynch(i2c_t *obj);
MikamiUitOpen 6:38f7dce055d0 213
MikamiUitOpen 6:38f7dce055d0 214 #endif
MikamiUitOpen 6:38f7dce055d0 215
MikamiUitOpen 6:38f7dce055d0 216 /**@}*/
MikamiUitOpen 6:38f7dce055d0 217
MikamiUitOpen 6:38f7dce055d0 218 #ifdef __cplusplus
MikamiUitOpen 6:38f7dce055d0 219 }
MikamiUitOpen 6:38f7dce055d0 220 #endif
MikamiUitOpen 6:38f7dce055d0 221
MikamiUitOpen 6:38f7dce055d0 222 #endif
MikamiUitOpen 6:38f7dce055d0 223
MikamiUitOpen 6:38f7dce055d0 224 #endif