不韋 呂 / F746_SD_BitmapViewer

microSD カードのビットマップ･ファイルのビュアー．画像の最大値　縦：272ピクセル，横：480ピクセル． Bitmap file viewer for microSD card. Maximum size Vertical: 272 pixels, Horizontal: 480.

Dependencies:   SDFileSystem_Warning_Fixed F746_GUI

mbed_src_STM32F7/common/Timer.cpp@0:f62ffd3644bf, 2018-10-21 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 21 11:29:47 2018 +0000
Revision:
0:f62ffd3644bf
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f62ffd3644bf 1 /* mbed Microcontroller Library
MikamiUitOpen 0:f62ffd3644bf 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:f62ffd3644bf 3 *
MikamiUitOpen 0:f62ffd3644bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:f62ffd3644bf 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:f62ffd3644bf 6 * You may obtain a copy of the License at
MikamiUitOpen 0:f62ffd3644bf 7 *
MikamiUitOpen 0:f62ffd3644bf 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:f62ffd3644bf 9 *
MikamiUitOpen 0:f62ffd3644bf 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:f62ffd3644bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:f62ffd3644bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:f62ffd3644bf 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:f62ffd3644bf 14 * limitations under the License.
MikamiUitOpen 0:f62ffd3644bf 15 */
MikamiUitOpen 0:f62ffd3644bf 16 #include "Timer.h"
MikamiUitOpen 0:f62ffd3644bf 17 #include "ticker_api.h"
MikamiUitOpen 0:f62ffd3644bf 18 #include "us_ticker_api.h"
MikamiUitOpen 0:f62ffd3644bf 19
MikamiUitOpen 0:f62ffd3644bf 20 namespace mbed {
MikamiUitOpen 0:f62ffd3644bf 21
MikamiUitOpen 0:f62ffd3644bf 22 Timer::Timer() : _running(), _start(), _time(), _ticker_data(get_us_ticker_data()) {
MikamiUitOpen 0:f62ffd3644bf 23 reset();
MikamiUitOpen 0:f62ffd3644bf 24 }
MikamiUitOpen 0:f62ffd3644bf 25
MikamiUitOpen 0:f62ffd3644bf 26 Timer::Timer(const ticker_data_t *data) : _running(), _start(), _time(), _ticker_data(data) {
MikamiUitOpen 0:f62ffd3644bf 27 reset();
MikamiUitOpen 0:f62ffd3644bf 28 }
MikamiUitOpen 0:f62ffd3644bf 29
MikamiUitOpen 0:f62ffd3644bf 30 void Timer::start() {
MikamiUitOpen 0:f62ffd3644bf 31 if (!_running) {
MikamiUitOpen 0:f62ffd3644bf 32 _start = ticker_read(_ticker_data);
MikamiUitOpen 0:f62ffd3644bf 33 _running = 1;
MikamiUitOpen 0:f62ffd3644bf 34 }
MikamiUitOpen 0:f62ffd3644bf 35 }
MikamiUitOpen 0:f62ffd3644bf 36
MikamiUitOpen 0:f62ffd3644bf 37 void Timer::stop() {
MikamiUitOpen 0:f62ffd3644bf 38 _time += slicetime();
MikamiUitOpen 0:f62ffd3644bf 39 _running = 0;
MikamiUitOpen 0:f62ffd3644bf 40 }
MikamiUitOpen 0:f62ffd3644bf 41
MikamiUitOpen 0:f62ffd3644bf 42 int Timer::read_us() {
MikamiUitOpen 0:f62ffd3644bf 43 return _time + slicetime();
MikamiUitOpen 0:f62ffd3644bf 44 }
MikamiUitOpen 0:f62ffd3644bf 45
MikamiUitOpen 0:f62ffd3644bf 46 float Timer::read() {
MikamiUitOpen 0:f62ffd3644bf 47 return (float)read_us() / 1000000.0f;
MikamiUitOpen 0:f62ffd3644bf 48 }
MikamiUitOpen 0:f62ffd3644bf 49
MikamiUitOpen 0:f62ffd3644bf 50 int Timer::read_ms() {
MikamiUitOpen 0:f62ffd3644bf 51 return read_us() / 1000;
MikamiUitOpen 0:f62ffd3644bf 52 }
MikamiUitOpen 0:f62ffd3644bf 53
MikamiUitOpen 0:f62ffd3644bf 54 int Timer::slicetime() {
MikamiUitOpen 0:f62ffd3644bf 55 if (_running) {
MikamiUitOpen 0:f62ffd3644bf 56 return ticker_read(_ticker_data) - _start;
MikamiUitOpen 0:f62ffd3644bf 57 } else {
MikamiUitOpen 0:f62ffd3644bf 58 return 0;
MikamiUitOpen 0:f62ffd3644bf 59 }
MikamiUitOpen 0:f62ffd3644bf 60 }
MikamiUitOpen 0:f62ffd3644bf 61
MikamiUitOpen 0:f62ffd3644bf 62 void Timer::reset() {
MikamiUitOpen 0:f62ffd3644bf 63 _start = ticker_read(_ticker_data);
MikamiUitOpen 0:f62ffd3644bf 64 _time = 0;
MikamiUitOpen 0:f62ffd3644bf 65 }
MikamiUitOpen 0:f62ffd3644bf 66
MikamiUitOpen 0:f62ffd3644bf 67 #ifdef MBED_OPERATORS
MikamiUitOpen 0:f62ffd3644bf 68 Timer::operator float() {
MikamiUitOpen 0:f62ffd3644bf 69 return read();
MikamiUitOpen 0:f62ffd3644bf 70 }
MikamiUitOpen 0:f62ffd3644bf 71 #endif
MikamiUitOpen 0:f62ffd3644bf 72
MikamiUitOpen 0:f62ffd3644bf 73 } // namespace mbed