不韋 呂 / F746_SD_Player_Demo

Demo program for library named SD_PlayerSkeleton of SD card player skeleton. SD カードプレーヤのための骨組みとして使うためのライブラリ SD_PlayerSkeleton の使用例．このプログラムについては，CQ出版社インターフェース誌 2018年7月号で解説している．

Dependencies:   F746_GUI F746_SAI_IO SD_PlayerSkeleton

mbed_src_STM32F7/common/rtc_time.c@19:3c3833ec00d2, 2017-04-09 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Apr 09 12:44:17 2017 +0000
Revision:
19:3c3833ec00d2
Parent:
2:cf42e62a97dc 
20

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 2:cf42e62a97dc 1 /* mbed Microcontroller Library
MikamiUitOpen 2:cf42e62a97dc 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 2:cf42e62a97dc 3 *
MikamiUitOpen 2:cf42e62a97dc 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 2:cf42e62a97dc 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 2:cf42e62a97dc 6 * You may obtain a copy of the License at
MikamiUitOpen 2:cf42e62a97dc 7 *
MikamiUitOpen 2:cf42e62a97dc 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 2:cf42e62a97dc 9 *
MikamiUitOpen 2:cf42e62a97dc 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 2:cf42e62a97dc 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 2:cf42e62a97dc 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 2:cf42e62a97dc 13 * See the License for the specific language governing permissions and
MikamiUitOpen 2:cf42e62a97dc 14 * limitations under the License.
MikamiUitOpen 2:cf42e62a97dc 15 */
MikamiUitOpen 2:cf42e62a97dc 16 #include "rtc_api.h"
MikamiUitOpen 2:cf42e62a97dc 17
MikamiUitOpen 2:cf42e62a97dc 18 #include <time.h>
MikamiUitOpen 2:cf42e62a97dc 19 #include "rtc_time.h"
MikamiUitOpen 2:cf42e62a97dc 20 #include "us_ticker_api.h"
MikamiUitOpen 2:cf42e62a97dc 21
MikamiUitOpen 2:cf42e62a97dc 22 #if DEVICE_RTC
MikamiUitOpen 2:cf42e62a97dc 23 static void (*_rtc_init)(void) = rtc_init;
MikamiUitOpen 2:cf42e62a97dc 24 static int (*_rtc_isenabled)(void) = rtc_isenabled;
MikamiUitOpen 2:cf42e62a97dc 25 static time_t (*_rtc_read)(void) = rtc_read;
MikamiUitOpen 2:cf42e62a97dc 26 static void (*_rtc_write)(time_t t) = rtc_write;
MikamiUitOpen 2:cf42e62a97dc 27 #else
MikamiUitOpen 2:cf42e62a97dc 28 static void (*_rtc_init)(void) = NULL;
MikamiUitOpen 2:cf42e62a97dc 29 static int (*_rtc_isenabled)(void) = NULL;
MikamiUitOpen 2:cf42e62a97dc 30 static time_t (*_rtc_read)(void) = NULL;
MikamiUitOpen 2:cf42e62a97dc 31 static void (*_rtc_write)(time_t t) = NULL;
MikamiUitOpen 2:cf42e62a97dc 32 #endif
MikamiUitOpen 2:cf42e62a97dc 33
MikamiUitOpen 2:cf42e62a97dc 34 #ifdef __cplusplus
MikamiUitOpen 2:cf42e62a97dc 35 extern "C" {
MikamiUitOpen 2:cf42e62a97dc 36 #endif
MikamiUitOpen 2:cf42e62a97dc 37 #if defined (__ICCARM__)
MikamiUitOpen 2:cf42e62a97dc 38 time_t __time32(time_t *timer)
MikamiUitOpen 2:cf42e62a97dc 39 #else
MikamiUitOpen 2:cf42e62a97dc 40 time_t time(time_t *timer)
MikamiUitOpen 2:cf42e62a97dc 41 #endif
MikamiUitOpen 2:cf42e62a97dc 42
MikamiUitOpen 2:cf42e62a97dc 43 {
MikamiUitOpen 2:cf42e62a97dc 44 if (_rtc_isenabled != NULL) {
MikamiUitOpen 2:cf42e62a97dc 45 if (!(_rtc_isenabled())) {
MikamiUitOpen 2:cf42e62a97dc 46 set_time(0);
MikamiUitOpen 2:cf42e62a97dc 47 }
MikamiUitOpen 2:cf42e62a97dc 48 }
MikamiUitOpen 2:cf42e62a97dc 49
MikamiUitOpen 2:cf42e62a97dc 50 time_t t = 0;
MikamiUitOpen 2:cf42e62a97dc 51 if (_rtc_read != NULL) {
MikamiUitOpen 2:cf42e62a97dc 52 t = _rtc_read();
MikamiUitOpen 2:cf42e62a97dc 53 }
MikamiUitOpen 2:cf42e62a97dc 54
MikamiUitOpen 2:cf42e62a97dc 55 if (timer != NULL) {
MikamiUitOpen 2:cf42e62a97dc 56 *timer = t;
MikamiUitOpen 2:cf42e62a97dc 57 }
MikamiUitOpen 2:cf42e62a97dc 58 return t;
MikamiUitOpen 2:cf42e62a97dc 59 }
MikamiUitOpen 2:cf42e62a97dc 60
MikamiUitOpen 2:cf42e62a97dc 61 void set_time(time_t t) {
MikamiUitOpen 2:cf42e62a97dc 62 if (_rtc_init != NULL) {
MikamiUitOpen 2:cf42e62a97dc 63 _rtc_init();
MikamiUitOpen 2:cf42e62a97dc 64 }
MikamiUitOpen 2:cf42e62a97dc 65 if (_rtc_write != NULL) {
MikamiUitOpen 2:cf42e62a97dc 66 _rtc_write(t);
MikamiUitOpen 2:cf42e62a97dc 67 }
MikamiUitOpen 2:cf42e62a97dc 68 }
MikamiUitOpen 2:cf42e62a97dc 69
MikamiUitOpen 2:cf42e62a97dc 70 clock_t clock() {
MikamiUitOpen 2:cf42e62a97dc 71 clock_t t = us_ticker_read();
MikamiUitOpen 2:cf42e62a97dc 72 t /= 1000000 / CLOCKS_PER_SEC; // convert to processor time
MikamiUitOpen 2:cf42e62a97dc 73 return t;
MikamiUitOpen 2:cf42e62a97dc 74 }
MikamiUitOpen 2:cf42e62a97dc 75
MikamiUitOpen 2:cf42e62a97dc 76 void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
MikamiUitOpen 2:cf42e62a97dc 77 __disable_irq();
MikamiUitOpen 2:cf42e62a97dc 78 _rtc_read = read_rtc;
MikamiUitOpen 2:cf42e62a97dc 79 _rtc_write = write_rtc;
MikamiUitOpen 2:cf42e62a97dc 80 _rtc_init = init_rtc;
MikamiUitOpen 2:cf42e62a97dc 81 _rtc_isenabled = isenabled_rtc;
MikamiUitOpen 2:cf42e62a97dc 82 __enable_irq();
MikamiUitOpen 2:cf42e62a97dc 83 }
MikamiUitOpen 2:cf42e62a97dc 84
MikamiUitOpen 2:cf42e62a97dc 85
MikamiUitOpen 2:cf42e62a97dc 86
MikamiUitOpen 2:cf42e62a97dc 87 #ifdef __cplusplus
MikamiUitOpen 2:cf42e62a97dc 88 }
MikamiUitOpen 2:cf42e62a97dc 89 #endif