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/common/mbed_interface.c@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) 2006-2013 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 #include <stdio.h>
MikamiUitOpen 6:38f7dce055d0 17 #include "mbed_interface.h"
MikamiUitOpen 6:38f7dce055d0 18
MikamiUitOpen 6:38f7dce055d0 19 #include "gpio_api.h"
MikamiUitOpen 6:38f7dce055d0 20 #include "wait_api.h"
MikamiUitOpen 6:38f7dce055d0 21 #include "semihost_api.h"
MikamiUitOpen 6:38f7dce055d0 22 #include "mbed_error.h"
MikamiUitOpen 6:38f7dce055d0 23 #include "toolchain.h"
MikamiUitOpen 6:38f7dce055d0 24
MikamiUitOpen 6:38f7dce055d0 25 #if DEVICE_SEMIHOST
MikamiUitOpen 6:38f7dce055d0 26
MikamiUitOpen 6:38f7dce055d0 27 // return true if a debugger is attached, indicating mbed interface is connected
MikamiUitOpen 6:38f7dce055d0 28 int mbed_interface_connected(void) {
MikamiUitOpen 6:38f7dce055d0 29 return semihost_connected();
MikamiUitOpen 6:38f7dce055d0 30 }
MikamiUitOpen 6:38f7dce055d0 31
MikamiUitOpen 6:38f7dce055d0 32 int mbed_interface_reset(void) {
MikamiUitOpen 6:38f7dce055d0 33 if (mbed_interface_connected()) {
MikamiUitOpen 6:38f7dce055d0 34 semihost_reset();
MikamiUitOpen 6:38f7dce055d0 35 return 0;
MikamiUitOpen 6:38f7dce055d0 36 } else {
MikamiUitOpen 6:38f7dce055d0 37 return -1;
MikamiUitOpen 6:38f7dce055d0 38 }
MikamiUitOpen 6:38f7dce055d0 39 }
MikamiUitOpen 6:38f7dce055d0 40
MikamiUitOpen 6:38f7dce055d0 41 WEAK int mbed_interface_uid(char *uid) {
MikamiUitOpen 6:38f7dce055d0 42 if (mbed_interface_connected()) {
MikamiUitOpen 6:38f7dce055d0 43 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
MikamiUitOpen 6:38f7dce055d0 44 } else {
MikamiUitOpen 6:38f7dce055d0 45 uid[0] = 0;
MikamiUitOpen 6:38f7dce055d0 46 return -1;
MikamiUitOpen 6:38f7dce055d0 47 }
MikamiUitOpen 6:38f7dce055d0 48 }
MikamiUitOpen 6:38f7dce055d0 49
MikamiUitOpen 6:38f7dce055d0 50 int mbed_interface_disconnect(void) {
MikamiUitOpen 6:38f7dce055d0 51 int res;
MikamiUitOpen 6:38f7dce055d0 52 if (mbed_interface_connected()) {
MikamiUitOpen 6:38f7dce055d0 53 if ((res = semihost_disabledebug()) != 0)
MikamiUitOpen 6:38f7dce055d0 54 return res;
MikamiUitOpen 6:38f7dce055d0 55 while (mbed_interface_connected());
MikamiUitOpen 6:38f7dce055d0 56 return 0;
MikamiUitOpen 6:38f7dce055d0 57 } else {
MikamiUitOpen 6:38f7dce055d0 58 return -1;
MikamiUitOpen 6:38f7dce055d0 59 }
MikamiUitOpen 6:38f7dce055d0 60 }
MikamiUitOpen 6:38f7dce055d0 61
MikamiUitOpen 6:38f7dce055d0 62 int mbed_interface_powerdown(void) {
MikamiUitOpen 6:38f7dce055d0 63 int res;
MikamiUitOpen 6:38f7dce055d0 64 if (mbed_interface_connected()) {
MikamiUitOpen 6:38f7dce055d0 65 if ((res = semihost_powerdown()) != 0)
MikamiUitOpen 6:38f7dce055d0 66 return res;
MikamiUitOpen 6:38f7dce055d0 67 while (mbed_interface_connected());
MikamiUitOpen 6:38f7dce055d0 68 return 0;
MikamiUitOpen 6:38f7dce055d0 69 } else {
MikamiUitOpen 6:38f7dce055d0 70 return -1;
MikamiUitOpen 6:38f7dce055d0 71 }
MikamiUitOpen 6:38f7dce055d0 72 }
MikamiUitOpen 6:38f7dce055d0 73
MikamiUitOpen 6:38f7dce055d0 74 // for backward compatibility
MikamiUitOpen 6:38f7dce055d0 75 void mbed_reset(void) {
MikamiUitOpen 6:38f7dce055d0 76 mbed_interface_reset();
MikamiUitOpen 6:38f7dce055d0 77 }
MikamiUitOpen 6:38f7dce055d0 78
MikamiUitOpen 6:38f7dce055d0 79 WEAK int mbed_uid(char *uid) {
MikamiUitOpen 6:38f7dce055d0 80 return mbed_interface_uid(uid);
MikamiUitOpen 6:38f7dce055d0 81 }
MikamiUitOpen 6:38f7dce055d0 82 #endif
MikamiUitOpen 6:38f7dce055d0 83
MikamiUitOpen 6:38f7dce055d0 84 WEAK void mbed_mac_address(char *mac) {
MikamiUitOpen 6:38f7dce055d0 85 #if DEVICE_SEMIHOST
MikamiUitOpen 6:38f7dce055d0 86 char uid[DEVICE_ID_LENGTH + 1];
MikamiUitOpen 6:38f7dce055d0 87 int i;
MikamiUitOpen 6:38f7dce055d0 88
MikamiUitOpen 6:38f7dce055d0 89 // if we have a UID, extract the MAC
MikamiUitOpen 6:38f7dce055d0 90 if (mbed_interface_uid(uid) == 0) {
MikamiUitOpen 6:38f7dce055d0 91 char *p = uid;
MikamiUitOpen 6:38f7dce055d0 92 #if defined(DEVICE_MAC_OFFSET)
MikamiUitOpen 6:38f7dce055d0 93 p += DEVICE_MAC_OFFSET;
MikamiUitOpen 6:38f7dce055d0 94 #endif
MikamiUitOpen 6:38f7dce055d0 95 for (i=0; i<6; i++) {
MikamiUitOpen 6:38f7dce055d0 96 int byte;
MikamiUitOpen 6:38f7dce055d0 97 sscanf(p, "%2x", &byte);
MikamiUitOpen 6:38f7dce055d0 98 mac[i] = byte;
MikamiUitOpen 6:38f7dce055d0 99 p += 2;
MikamiUitOpen 6:38f7dce055d0 100 }
MikamiUitOpen 6:38f7dce055d0 101 mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
MikamiUitOpen 6:38f7dce055d0 102 } else { // else return a default MAC
MikamiUitOpen 6:38f7dce055d0 103 #endif
MikamiUitOpen 6:38f7dce055d0 104 mac[0] = 0x00;
MikamiUitOpen 6:38f7dce055d0 105 mac[1] = 0x02;
MikamiUitOpen 6:38f7dce055d0 106 mac[2] = 0xF7;
MikamiUitOpen 6:38f7dce055d0 107 mac[3] = 0xF0;
MikamiUitOpen 6:38f7dce055d0 108 mac[4] = 0x00;
MikamiUitOpen 6:38f7dce055d0 109 mac[5] = 0x00;
MikamiUitOpen 6:38f7dce055d0 110 #if DEVICE_SEMIHOST
MikamiUitOpen 6:38f7dce055d0 111 }
MikamiUitOpen 6:38f7dce055d0 112 #endif
MikamiUitOpen 6:38f7dce055d0 113 }