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/USBCDC.h
- Committer:
- Dance
- Date:
- 2014-08-29
- Revision:
- 0:de885a6da962
File content as of revision 0:de885a6da962:
/* 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 USBCDC_H #define USBCDC_H /* These headers are included for child class. */ #include "USBEndpoints.h" #include "USBDescriptor.h" #include "USBDevice_Types.h" #include "USBDevice.h" class USBCDC: public USBDevice { public: /* * Constructor * * @param vendor_id Your vendor_id * @param product_id Your product_id * @param product_release Your preoduct_release * @param connect_blocking define if the connection must be blocked if USB not plugged in */ USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect_blocking); protected: /* * Get device descriptor. Warning: this method has to store the length of the report descriptor in reportLength. * * @returns pointer to the device descriptor */ virtual uint8_t * deviceDesc(); /* * Get string product descriptor * * @returns pointer to the string product descriptor */ virtual uint8_t * stringIproductDesc(); /* * Get string interface descriptor * * @returns pointer to the string interface descriptor */ virtual uint8_t * stringIinterfaceDesc(); /* * Get configuration descriptor * * @returns pointer to the configuration descriptor */ virtual uint8_t * configurationDesc(); /* * Send a buffer * * @param endpoint endpoint which will be sent the buffer * @param buffer buffer to be sent * @param size length of the buffer * @returns true if successful */ bool send(uint8_t * buffer, uint32_t size); /* * Read a buffer from a certain endpoint. Warning: blocking * * @param endpoint endpoint to read * @param buffer buffer where will be stored bytes * @param size the number of bytes read will be stored in *size * @param maxSize the maximum length that can be read * @returns true if successful */ bool readEP(uint8_t * buffer, uint32_t * size); /* * Read a buffer from a certain endpoint. Warning: non blocking * * @param endpoint endpoint to read * @param buffer buffer where will be stored bytes * @param size the number of bytes read will be stored in *size * @param maxSize the maximum length that can be read * @returns true if successful */ bool readEP_NB(uint8_t * buffer, uint32_t * size); /* * Called by USBCallback_requestCompleted when CDC line coding is changed * Warning: Called in ISR * * @param baud The baud rate * @param bits The number of bits in a word (5-8) * @param parity The parity * @param stop The number of stop bits (1 or 2) */ virtual void lineCodingChanged(int baud, int bits, int parity, int stop) {}; protected: virtual bool USBCallback_request(); virtual void USBCallback_requestCompleted(uint8_t *buf, uint32_t length); virtual bool USBCallback_setConfiguration(uint8_t configuration); volatile bool terminal_connected; }; #endif