Transistor Gijutsu, October 2014, Special Features Chapter 8,Software of the thermistor thermometer of 0.001 ° resolution, トランジスタ技術2014年10月号 特集第8章のソフトウェア 0.001℃分解能で気配もキャッチ「超敏感肌温度計」
Information
tg_201410s8_AD7714 トランジスタ技術 2014年 10月号 第8章のソフトウェア
Program for Section 8 in October. 2014 issue of the Transistor Gijutsu
(Japanese electronics magazine)
概要
このプログラムは、サーミスタの抵抗値変化をAD7714(24bitADC)で測定し、抵抗値を温度値に変換することで、0.001℃程度の分解能で温度変化を測定します。
ファイル
このソフトウエアは、次のファイルから構成されています。
- AD7714.cpp - AD7714の内部レジスタを設定
- Thermistor.cpp - サーミスタの抵抗値から温度値に変換
- ExpAvr.cpp - 指数平均によるソフトウエアLPF
- main.cpp - main()関数
詳細については、10月号の記事および上記ファイル中のコメントを参照してください。
USBDevice/USBSerial/USBSerial.cpp@0:de885a6da962, 2014-08-29 (annotated)
- Committer:
- Dance
- Date:
- Fri Aug 29 08:38:36 2014 +0000
- Revision:
- 0:de885a6da962
Transistor Gijutsu, October 2014, Special Features Chapter 8; ????????2014?10??????8????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Dance | 0:de885a6da962 | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
Dance | 0:de885a6da962 | 2 | * |
Dance | 0:de885a6da962 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
Dance | 0:de885a6da962 | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
Dance | 0:de885a6da962 | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
Dance | 0:de885a6da962 | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
Dance | 0:de885a6da962 | 7 | * Software is furnished to do so, subject to the following conditions: |
Dance | 0:de885a6da962 | 8 | * |
Dance | 0:de885a6da962 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
Dance | 0:de885a6da962 | 10 | * substantial portions of the Software. |
Dance | 0:de885a6da962 | 11 | * |
Dance | 0:de885a6da962 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
Dance | 0:de885a6da962 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
Dance | 0:de885a6da962 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
Dance | 0:de885a6da962 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Dance | 0:de885a6da962 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
Dance | 0:de885a6da962 | 17 | */ |
Dance | 0:de885a6da962 | 18 | |
Dance | 0:de885a6da962 | 19 | #include "stdint.h" |
Dance | 0:de885a6da962 | 20 | #include "USBSerial.h" |
Dance | 0:de885a6da962 | 21 | |
Dance | 0:de885a6da962 | 22 | int USBSerial::_putc(int c) { |
Dance | 0:de885a6da962 | 23 | if (!terminal_connected) |
Dance | 0:de885a6da962 | 24 | return 0; |
Dance | 0:de885a6da962 | 25 | send((uint8_t *)&c, 1); |
Dance | 0:de885a6da962 | 26 | return 1; |
Dance | 0:de885a6da962 | 27 | } |
Dance | 0:de885a6da962 | 28 | |
Dance | 0:de885a6da962 | 29 | int USBSerial::_getc() { |
Dance | 0:de885a6da962 | 30 | uint8_t c = 0; |
Dance | 0:de885a6da962 | 31 | while (buf.isEmpty()); |
Dance | 0:de885a6da962 | 32 | buf.dequeue(&c); |
Dance | 0:de885a6da962 | 33 | return c; |
Dance | 0:de885a6da962 | 34 | } |
Dance | 0:de885a6da962 | 35 | |
Dance | 0:de885a6da962 | 36 | |
Dance | 0:de885a6da962 | 37 | bool USBSerial::writeBlock(uint8_t * buf, uint16_t size) { |
Dance | 0:de885a6da962 | 38 | if(size > MAX_PACKET_SIZE_EPBULK) { |
Dance | 0:de885a6da962 | 39 | return false; |
Dance | 0:de885a6da962 | 40 | } |
Dance | 0:de885a6da962 | 41 | if(!send(buf, size)) { |
Dance | 0:de885a6da962 | 42 | return false; |
Dance | 0:de885a6da962 | 43 | } |
Dance | 0:de885a6da962 | 44 | return true; |
Dance | 0:de885a6da962 | 45 | } |
Dance | 0:de885a6da962 | 46 | |
Dance | 0:de885a6da962 | 47 | |
Dance | 0:de885a6da962 | 48 | |
Dance | 0:de885a6da962 | 49 | bool USBSerial::EP2_OUT_callback() { |
Dance | 0:de885a6da962 | 50 | uint8_t c[65]; |
Dance | 0:de885a6da962 | 51 | uint32_t size = 0; |
Dance | 0:de885a6da962 | 52 | |
Dance | 0:de885a6da962 | 53 | //we read the packet received and put it on the circular buffer |
Dance | 0:de885a6da962 | 54 | readEP(c, &size); |
Dance | 0:de885a6da962 | 55 | for (uint32_t i = 0; i < size; i++) { |
Dance | 0:de885a6da962 | 56 | buf.queue(c[i]); |
Dance | 0:de885a6da962 | 57 | } |
Dance | 0:de885a6da962 | 58 | |
Dance | 0:de885a6da962 | 59 | //call a potential handler |
Dance | 0:de885a6da962 | 60 | rx.call(); |
Dance | 0:de885a6da962 | 61 | |
Dance | 0:de885a6da962 | 62 | // We reactivate the endpoint to receive next characters |
Dance | 0:de885a6da962 | 63 | readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); |
Dance | 0:de885a6da962 | 64 | return true; |
Dance | 0:de885a6da962 | 65 | } |
Dance | 0:de885a6da962 | 66 | |
Dance | 0:de885a6da962 | 67 | uint8_t USBSerial::available() { |
Dance | 0:de885a6da962 | 68 | return buf.available(); |
Dance | 0:de885a6da962 | 69 | } |