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/api/rtc_time.h@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
MikamiUitOpen 4:c1beacfc42c7 17 #include <time.h>
MikamiUitOpen 4:c1beacfc42c7 18
MikamiUitOpen 4:c1beacfc42c7 19 #ifdef __cplusplus
MikamiUitOpen 4:c1beacfc42c7 20 extern "C" {
MikamiUitOpen 4:c1beacfc42c7 21 #endif
MikamiUitOpen 4:c1beacfc42c7 22
MikamiUitOpen 4:c1beacfc42c7 23 /** Implementation of the C time.h functions
MikamiUitOpen 4:c1beacfc42c7 24 *
MikamiUitOpen 4:c1beacfc42c7 25 * Provides mechanisms to set and read the current time, based
MikamiUitOpen 4:c1beacfc42c7 26 * on the microcontroller Real-Time Clock (RTC), plus some
MikamiUitOpen 4:c1beacfc42c7 27 * standard C manipulation and formating functions.
MikamiUitOpen 4:c1beacfc42c7 28 *
MikamiUitOpen 4:c1beacfc42c7 29 * Example:
MikamiUitOpen 4:c1beacfc42c7 30 * @code
MikamiUitOpen 4:c1beacfc42c7 31 * #include "mbed.h"
MikamiUitOpen 4:c1beacfc42c7 32 *
MikamiUitOpen 4:c1beacfc42c7 33 * int main() {
MikamiUitOpen 4:c1beacfc42c7 34 * set_time(1256729737); // Set RTC time to Wed, 28 Oct 2009 11:35:37
MikamiUitOpen 4:c1beacfc42c7 35 *
MikamiUitOpen 4:c1beacfc42c7 36 * while(1) {
MikamiUitOpen 4:c1beacfc42c7 37 * time_t seconds = time(NULL);
MikamiUitOpen 4:c1beacfc42c7 38 *
MikamiUitOpen 4:c1beacfc42c7 39 * printf("Time as seconds since January 1, 1970 = %d\n", seconds);
MikamiUitOpen 4:c1beacfc42c7 40 *
MikamiUitOpen 4:c1beacfc42c7 41 * printf("Time as a basic string = %s", ctime(&seconds));
MikamiUitOpen 4:c1beacfc42c7 42 *
MikamiUitOpen 4:c1beacfc42c7 43 * char buffer[32];
MikamiUitOpen 4:c1beacfc42c7 44 * strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
MikamiUitOpen 4:c1beacfc42c7 45 * printf("Time as a custom formatted string = %s", buffer);
MikamiUitOpen 4:c1beacfc42c7 46 *
MikamiUitOpen 4:c1beacfc42c7 47 * wait(1);
MikamiUitOpen 4:c1beacfc42c7 48 * }
MikamiUitOpen 4:c1beacfc42c7 49 * }
MikamiUitOpen 4:c1beacfc42c7 50 * @endcode
MikamiUitOpen 4:c1beacfc42c7 51 */
MikamiUitOpen 4:c1beacfc42c7 52
MikamiUitOpen 4:c1beacfc42c7 53 /** Set the current time
MikamiUitOpen 4:c1beacfc42c7 54 *
MikamiUitOpen 4:c1beacfc42c7 55 * Initialises and sets the time of the microcontroller Real-Time Clock (RTC)
MikamiUitOpen 4:c1beacfc42c7 56 * to the time represented by the number of seconds since January 1, 1970
MikamiUitOpen 4:c1beacfc42c7 57 * (the UNIX timestamp).
MikamiUitOpen 4:c1beacfc42c7 58 *
MikamiUitOpen 4:c1beacfc42c7 59 * @param t Number of seconds since January 1, 1970 (the UNIX timestamp)
MikamiUitOpen 4:c1beacfc42c7 60 *
MikamiUitOpen 4:c1beacfc42c7 61 * Example:
MikamiUitOpen 4:c1beacfc42c7 62 * @code
MikamiUitOpen 4:c1beacfc42c7 63 * #include "mbed.h"
MikamiUitOpen 4:c1beacfc42c7 64 *
MikamiUitOpen 4:c1beacfc42c7 65 * int main() {
MikamiUitOpen 4:c1beacfc42c7 66 * set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
MikamiUitOpen 4:c1beacfc42c7 67 * }
MikamiUitOpen 4:c1beacfc42c7 68 * @endcode
MikamiUitOpen 4:c1beacfc42c7 69 */
MikamiUitOpen 4:c1beacfc42c7 70 void set_time(time_t t);
MikamiUitOpen 4:c1beacfc42c7 71
MikamiUitOpen 4:c1beacfc42c7 72 /** Attach an external RTC to be used for the C time functions
MikamiUitOpen 4:c1beacfc42c7 73 *
MikamiUitOpen 4:c1beacfc42c7 74 * Do not call this function from an interrupt while an RTC read/write operation may be occurring
MikamiUitOpen 4:c1beacfc42c7 75 *
MikamiUitOpen 4:c1beacfc42c7 76 * @param read_rtc pointer to function which returns current UNIX timestamp
MikamiUitOpen 4:c1beacfc42c7 77 * @param write_rtc pointer to function which sets current UNIX timestamp, can be NULL
MikamiUitOpen 4:c1beacfc42c7 78 * @param init_rtc pointer to funtion which initializes RTC, can be NULL
MikamiUitOpen 4:c1beacfc42c7 79 * @param isenabled_rtc pointer to function wich returns if the rtc is enabled, can be NULL
MikamiUitOpen 4:c1beacfc42c7 80 */
MikamiUitOpen 4:c1beacfc42c7 81 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void));
MikamiUitOpen 4:c1beacfc42c7 82
MikamiUitOpen 4:c1beacfc42c7 83 #ifdef __cplusplus
MikamiUitOpen 4:c1beacfc42c7 84 }
MikamiUitOpen 4:c1beacfc42c7 85 #endif