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。
Diff: USBDevice/USBHID/USBHID_Types.h
- Revision:
- 0:de885a6da962
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDevice/USBHID/USBHID_Types.h Fri Aug 29 08:38:36 2014 +0000 @@ -0,0 +1,91 @@ +/* Copyright (c) 2010-2011 mbed.org, MIT License +* +* Permission is hereby granted, free of charge, to any person obtaining a copy of this software +* and associated documentation files (the "Software"), to deal in the Software without +* restriction, including without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the +* Software is furnished to do so, subject to the following conditions: +* +* The above copyright notice and this permission notice shall be included in all copies or +* substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ + +#ifndef USBCLASS_HID_TYPES +#define USBCLASS_HID_TYPES + +#include <stdint.h> + +/* */ +#define HID_VERSION_1_11 (0x0111) + +/* HID Class */ +#define HID_CLASS (3) +#define HID_SUBCLASS_NONE (0) +#define HID_PROTOCOL_NONE (0) + +/* Descriptors */ +#define HID_DESCRIPTOR (33) +#define HID_DESCRIPTOR_LENGTH (0x09) +#define REPORT_DESCRIPTOR (34) + +/* Class requests */ +#define GET_REPORT (0x1) +#define GET_IDLE (0x2) +#define SET_REPORT (0x9) +#define SET_IDLE (0xa) + +/* HID Class Report Descriptor */ +/* Short items: size is 0, 1, 2 or 3 specifying 0, 1, 2 or 4 (four) bytes */ +/* of data as per HID Class standard */ + +/* Main items */ +#define INPUT(size) (0x80 | size) +#define OUTPUT(size) (0x90 | size) +#define FEATURE(size) (0xb0 | size) +#define COLLECTION(size) (0xa0 | size) +#define END_COLLECTION(size) (0xc0 | size) + +/* Global items */ +#define USAGE_PAGE(size) (0x04 | size) +#define LOGICAL_MINIMUM(size) (0x14 | size) +#define LOGICAL_MAXIMUM(size) (0x24 | size) +#define PHYSICAL_MINIMUM(size) (0x34 | size) +#define PHYSICAL_MAXIMUM(size) (0x44 | size) +#define UNIT_EXPONENT(size) (0x54 | size) +#define UNIT(size) (0x64 | size) +#define REPORT_SIZE(size) (0x74 | size) +#define REPORT_ID(size) (0x84 | size) +#define REPORT_COUNT(size) (0x94 | size) +#define PUSH(size) (0xa4 | size) +#define POP(size) (0xb4 | size) + +/* Local items */ +#define USAGE(size) (0x08 | size) +#define USAGE_MINIMUM(size) (0x18 | size) +#define USAGE_MAXIMUM(size) (0x28 | size) +#define DESIGNATOR_INDEX(size) (0x38 | size) +#define DESIGNATOR_MINIMUM(size) (0x48 | size) +#define DESIGNATOR_MAXIMUM(size) (0x58 | size) +#define STRING_INDEX(size) (0x78 | size) +#define STRING_MINIMUM(size) (0x88 | size) +#define STRING_MAXIMUM(size) (0x98 | size) +#define DELIMITER(size) (0xa8 | size) + +/* HID Report */ +/* Where report IDs are used the first byte of 'data' will be the */ +/* report ID and 'length' will include this report ID byte. */ + +#define MAX_HID_REPORT_SIZE (64) + +typedef struct { + uint32_t length; + uint8_t data[MAX_HID_REPORT_SIZE]; +} HID_REPORT; + +#endif