不韋 呂 / F746_Spectrogram

Realtime spectrogram for DISCO-F746NG. On-board MEMS microphone is used for input sound signal. リアルタイムスペクトログラム．入力：MEMSマイク

Dependencies:   F746_GUI F746_SAI_IO UIT_FFT_Real

mbed_src_STM32F7/common/mbed_interface.c@6:b3885567877c, 2017-04-10 (annotated)

Committer:
MikamiUitOpen
Date:
Mon Apr 10 13:43:07 2017 +0000
Revision:
6:b3885567877c
Parent:
4:c1beacfc42c7 
7

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 4:c1beacfc42c7 1 /* mbed Microcontroller Library
MikamiUitOpen 4:c1beacfc42c7 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 4:c1beacfc42c7 3 *
MikamiUitOpen 4:c1beacfc42c7 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 4:c1beacfc42c7 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 4:c1beacfc42c7 6 * You may obtain a copy of the License at
MikamiUitOpen 4:c1beacfc42c7 7 *
MikamiUitOpen 4:c1beacfc42c7 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 4:c1beacfc42c7 9 *
MikamiUitOpen 4:c1beacfc42c7 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 4:c1beacfc42c7 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 4:c1beacfc42c7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 4:c1beacfc42c7 13 * See the License for the specific language governing permissions and
MikamiUitOpen 4:c1beacfc42c7 14 * limitations under the License.
MikamiUitOpen 4:c1beacfc42c7 15 */
MikamiUitOpen 4:c1beacfc42c7 16 #include <stdio.h>
MikamiUitOpen 4:c1beacfc42c7 17 #include "mbed_interface.h"
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #include "gpio_api.h"
MikamiUitOpen 4:c1beacfc42c7 20 #include "wait_api.h"
MikamiUitOpen 4:c1beacfc42c7 21 #include "semihost_api.h"
MikamiUitOpen 4:c1beacfc42c7 22 #include "mbed_error.h"
MikamiUitOpen 4:c1beacfc42c7 23 #include "toolchain.h"
MikamiUitOpen 4:c1beacfc42c7 24
MikamiUitOpen 4:c1beacfc42c7 25 #if DEVICE_SEMIHOST
MikamiUitOpen 4:c1beacfc42c7 26
MikamiUitOpen 4:c1beacfc42c7 27 // return true if a debugger is attached, indicating mbed interface is connected
MikamiUitOpen 4:c1beacfc42c7 28 int mbed_interface_connected(void) {
MikamiUitOpen 4:c1beacfc42c7 29 return semihost_connected();
MikamiUitOpen 4:c1beacfc42c7 30 }
MikamiUitOpen 4:c1beacfc42c7 31
MikamiUitOpen 4:c1beacfc42c7 32 int mbed_interface_reset(void) {
MikamiUitOpen 4:c1beacfc42c7 33 if (mbed_interface_connected()) {
MikamiUitOpen 4:c1beacfc42c7 34 semihost_reset();
MikamiUitOpen 4:c1beacfc42c7 35 return 0;
MikamiUitOpen 4:c1beacfc42c7 36 } else {
MikamiUitOpen 4:c1beacfc42c7 37 return -1;
MikamiUitOpen 4:c1beacfc42c7 38 }
MikamiUitOpen 4:c1beacfc42c7 39 }
MikamiUitOpen 4:c1beacfc42c7 40
MikamiUitOpen 4:c1beacfc42c7 41 WEAK int mbed_interface_uid(char *uid) {
MikamiUitOpen 4:c1beacfc42c7 42 if (mbed_interface_connected()) {
MikamiUitOpen 4:c1beacfc42c7 43 return semihost_uid(uid); // Returns 0 if successful, -1 on failure
MikamiUitOpen 4:c1beacfc42c7 44 } else {
MikamiUitOpen 4:c1beacfc42c7 45 uid[0] = 0;
MikamiUitOpen 4:c1beacfc42c7 46 return -1;
MikamiUitOpen 4:c1beacfc42c7 47 }
MikamiUitOpen 4:c1beacfc42c7 48 }
MikamiUitOpen 4:c1beacfc42c7 49
MikamiUitOpen 4:c1beacfc42c7 50 int mbed_interface_disconnect(void) {
MikamiUitOpen 4:c1beacfc42c7 51 int res;
MikamiUitOpen 4:c1beacfc42c7 52 if (mbed_interface_connected()) {
MikamiUitOpen 4:c1beacfc42c7 53 if ((res = semihost_disabledebug()) != 0)
MikamiUitOpen 4:c1beacfc42c7 54 return res;
MikamiUitOpen 4:c1beacfc42c7 55 while (mbed_interface_connected());
MikamiUitOpen 4:c1beacfc42c7 56 return 0;
MikamiUitOpen 4:c1beacfc42c7 57 } else {
MikamiUitOpen 4:c1beacfc42c7 58 return -1;
MikamiUitOpen 4:c1beacfc42c7 59 }
MikamiUitOpen 4:c1beacfc42c7 60 }
MikamiUitOpen 4:c1beacfc42c7 61
MikamiUitOpen 4:c1beacfc42c7 62 int mbed_interface_powerdown(void) {
MikamiUitOpen 4:c1beacfc42c7 63 int res;
MikamiUitOpen 4:c1beacfc42c7 64 if (mbed_interface_connected()) {
MikamiUitOpen 4:c1beacfc42c7 65 if ((res = semihost_powerdown()) != 0)
MikamiUitOpen 4:c1beacfc42c7 66 return res;
MikamiUitOpen 4:c1beacfc42c7 67 while (mbed_interface_connected());
MikamiUitOpen 4:c1beacfc42c7 68 return 0;
MikamiUitOpen 4:c1beacfc42c7 69 } else {
MikamiUitOpen 4:c1beacfc42c7 70 return -1;
MikamiUitOpen 4:c1beacfc42c7 71 }
MikamiUitOpen 4:c1beacfc42c7 72 }
MikamiUitOpen 4:c1beacfc42c7 73
MikamiUitOpen 4:c1beacfc42c7 74 // for backward compatibility
MikamiUitOpen 4:c1beacfc42c7 75 void mbed_reset(void) {
MikamiUitOpen 4:c1beacfc42c7 76 mbed_interface_reset();
MikamiUitOpen 4:c1beacfc42c7 77 }
MikamiUitOpen 4:c1beacfc42c7 78
MikamiUitOpen 4:c1beacfc42c7 79 WEAK int mbed_uid(char *uid) {
MikamiUitOpen 4:c1beacfc42c7 80 return mbed_interface_uid(uid);
MikamiUitOpen 4:c1beacfc42c7 81 }
MikamiUitOpen 4:c1beacfc42c7 82 #endif
MikamiUitOpen 4:c1beacfc42c7 83
MikamiUitOpen 4:c1beacfc42c7 84 WEAK void mbed_mac_address(char *mac) {
MikamiUitOpen 4:c1beacfc42c7 85 #if DEVICE_SEMIHOST
MikamiUitOpen 4:c1beacfc42c7 86 char uid[DEVICE_ID_LENGTH + 1];
MikamiUitOpen 4:c1beacfc42c7 87 int i;
MikamiUitOpen 4:c1beacfc42c7 88
MikamiUitOpen 4:c1beacfc42c7 89 // if we have a UID, extract the MAC
MikamiUitOpen 4:c1beacfc42c7 90 if (mbed_interface_uid(uid) == 0) {
MikamiUitOpen 4:c1beacfc42c7 91 char *p = uid;
MikamiUitOpen 4:c1beacfc42c7 92 #if defined(DEVICE_MAC_OFFSET)
MikamiUitOpen 4:c1beacfc42c7 93 p += DEVICE_MAC_OFFSET;
MikamiUitOpen 4:c1beacfc42c7 94 #endif
MikamiUitOpen 4:c1beacfc42c7 95 for (i=0; i<6; i++) {
MikamiUitOpen 4:c1beacfc42c7 96 int byte;
MikamiUitOpen 4:c1beacfc42c7 97 sscanf(p, "%2x", &byte);
MikamiUitOpen 4:c1beacfc42c7 98 mac[i] = byte;
MikamiUitOpen 4:c1beacfc42c7 99 p += 2;
MikamiUitOpen 4:c1beacfc42c7 100 }
MikamiUitOpen 4:c1beacfc42c7 101 mac[0] &= ~0x01; // reset the IG bit in the address; see IEE 802.3-2002, Section 3.2.3(b)
MikamiUitOpen 4:c1beacfc42c7 102 } else { // else return a default MAC
MikamiUitOpen 4:c1beacfc42c7 103 #endif
MikamiUitOpen 4:c1beacfc42c7 104 mac[0] = 0x00;
MikamiUitOpen 4:c1beacfc42c7 105 mac[1] = 0x02;
MikamiUitOpen 4:c1beacfc42c7 106 mac[2] = 0xF7;
MikamiUitOpen 4:c1beacfc42c7 107 mac[3] = 0xF0;
MikamiUitOpen 4:c1beacfc42c7 108 mac[4] = 0x00;
MikamiUitOpen 4:c1beacfc42c7 109 mac[5] = 0x00;
MikamiUitOpen 4:c1beacfc42c7 110 #if DEVICE_SEMIHOST
MikamiUitOpen 4:c1beacfc42c7 111 }
MikamiUitOpen 4:c1beacfc42c7 112 #endif
MikamiUitOpen 4:c1beacfc42c7 113 }