Temp and Humidity sensor device driver. had to fork under a new name, don't know why yet.
Dependents: Wio-example-SORACOM-Harvest
DHT.h@8:4a66ebac2a2c, 2020-01-29 (annotated)
- Committer:
- lamell
- Date:
- Wed Jan 29 08:32:03 2020 -0400
- Revision:
- 8:4a66ebac2a2c
- Parent:
- 6:49350e4b126d
Changed Serial to RawSerial for compatibility.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lamell | 6:49350e4b126d | 1 | /* |
lamell | 6:49350e4b126d | 2 | * DHT Library for Digital-output Humidity and Temperature sensors |
lamell | 6:49350e4b126d | 3 | * |
Wimpie | 0:9b5b3200688f | 4 | * Works with DHT11, DHT21, DHT22 |
Wimpie | 0:9b5b3200688f | 5 | * SEN11301P, Grove - Temperature&Humidity Sensor (Seeed Studio) |
Wimpie | 0:9b5b3200688f | 6 | * SEN51035P, Grove - Temperature&Humidity Sensor Pro (Seeed Studio) |
lamell | 6:49350e4b126d | 7 | * AM2302 , temperature-humidity sensor |
Wimpie | 0:9b5b3200688f | 8 | * RHT01,RHT02, RHT03 , Humidity and Temperature Sensor (Sparkfun) |
Wimpie | 0:9b5b3200688f | 9 | * |
lamell | 6:49350e4b126d | 10 | * Copyright (C) Luis Amell |
lamell | 6:49350e4b126d | 11 | * Based on AM2302/DHT22 sensor library by Wim De Roeve |
lamell | 6:49350e4b126d | 12 | * Based on DHT22 sensor library by HO WING KIT |
Wimpie | 0:9b5b3200688f | 13 | * Arduino DHT11 library |
Wimpie | 0:9b5b3200688f | 14 | * |
Wimpie | 0:9b5b3200688f | 15 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
Wimpie | 0:9b5b3200688f | 16 | * of this software and associated documnetation files (the "Software"), to deal |
Wimpie | 0:9b5b3200688f | 17 | * in the Software without restriction, including without limitation the rights |
Wimpie | 0:9b5b3200688f | 18 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
Wimpie | 0:9b5b3200688f | 19 | * copies of the Software, and to permit persons to whom the Software is |
Wimpie | 0:9b5b3200688f | 20 | * furished to do so, subject to the following conditions: |
Wimpie | 0:9b5b3200688f | 21 | * |
Wimpie | 0:9b5b3200688f | 22 | * The above copyright notice and this permission notice shall be included in |
Wimpie | 0:9b5b3200688f | 23 | * all copies or substantial portions of the Software. |
Wimpie | 0:9b5b3200688f | 24 | * |
Wimpie | 0:9b5b3200688f | 25 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
Wimpie | 0:9b5b3200688f | 26 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
Wimpie | 0:9b5b3200688f | 27 | * FITNESS OR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
Wimpie | 0:9b5b3200688f | 28 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
Wimpie | 0:9b5b3200688f | 29 | * LIABILITY WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
Wimpie | 0:9b5b3200688f | 30 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
Wimpie | 0:9b5b3200688f | 31 | * THE SOFTWARE. |
Wimpie | 0:9b5b3200688f | 32 | */ |
Wimpie | 0:9b5b3200688f | 33 | |
Wimpie | 0:9b5b3200688f | 34 | #ifndef MBED_DHT_H |
Wimpie | 0:9b5b3200688f | 35 | #define MBED_DHT_H |
Wimpie | 0:9b5b3200688f | 36 | |
Wimpie | 0:9b5b3200688f | 37 | #include "mbed.h" |
Wimpie | 0:9b5b3200688f | 38 | |
lamell | 6:49350e4b126d | 39 | enum eType{ |
lamell | 6:49350e4b126d | 40 | DHT11 = 11, |
lamell | 6:49350e4b126d | 41 | SEN11301P = 11, |
lamell | 6:49350e4b126d | 42 | RHT01 = 11, |
lamell | 6:49350e4b126d | 43 | DHT22 = 22, |
lamell | 6:49350e4b126d | 44 | AM2302 = 22, |
lamell | 6:49350e4b126d | 45 | SEN51035P = 22, |
lamell | 6:49350e4b126d | 46 | RHT02 = 22, |
lamell | 6:49350e4b126d | 47 | RHT03 = 22 |
lamell | 6:49350e4b126d | 48 | } ; |
Wimpie | 0:9b5b3200688f | 49 | |
lamell | 6:49350e4b126d | 50 | enum eError { |
Wimpie | 0:9b5b3200688f | 51 | ERROR_NONE = 0, |
lamell | 6:49350e4b126d | 52 | BUS_BUSY =1, |
lamell | 6:49350e4b126d | 53 | ERROR_NOT_PRESENT =2 , |
lamell | 6:49350e4b126d | 54 | ERROR_ACK_TOO_LONG =3 , |
lamell | 6:49350e4b126d | 55 | ERROR_SYNC_TIMEOUT = 4, |
lamell | 6:49350e4b126d | 56 | ERROR_DATA_TIMEOUT =5 , |
lamell | 6:49350e4b126d | 57 | ERROR_CHECKSUM = 6, |
lamell | 6:49350e4b126d | 58 | ERROR_NO_PATIENCE =7 |
lamell | 6:49350e4b126d | 59 | } ; |
Wimpie | 0:9b5b3200688f | 60 | |
lamell | 6:49350e4b126d | 61 | typedef enum { |
lamell | 6:49350e4b126d | 62 | CELCIUS =0 , |
lamell | 6:49350e4b126d | 63 | FARENHEIT =1, |
lamell | 6:49350e4b126d | 64 | KELVIN=2 |
lamell | 5:28eb2ec7c6d6 | 65 | } eScale; |
Wimpie | 0:9b5b3200688f | 66 | |
Wimpie | 0:9b5b3200688f | 67 | |
lamell | 6:49350e4b126d | 68 | class DHT { |
Wimpie | 0:9b5b3200688f | 69 | |
Wimpie | 0:9b5b3200688f | 70 | public: |
Wimpie | 0:9b5b3200688f | 71 | |
lamell | 6:49350e4b126d | 72 | DHT(PinName pin,int DHTtype); |
Wimpie | 0:9b5b3200688f | 73 | ~DHT(); |
lamell | 6:49350e4b126d | 74 | int readData(void); |
Wimpie | 0:9b5b3200688f | 75 | float ReadHumidity(void); |
lamell | 6:49350e4b126d | 76 | float ReadTemperature(eScale Scale); |
lamell | 6:49350e4b126d | 77 | float CalcdewPoint(float celsius, float humidity); |
lamell | 6:49350e4b126d | 78 | float CalcdewPointFast(float celsius, float humidity); |
lamell |
8:4a66ebac2a2c | 79 | int DHT_data[6]; |
lamell |
8:4a66ebac2a2c | 80 | |
Wimpie | 0:9b5b3200688f | 81 | private: |
Wimpie | 0:9b5b3200688f | 82 | time_t _lastReadTime; |
Wimpie | 0:9b5b3200688f | 83 | float _lastTemperature; |
Wimpie | 0:9b5b3200688f | 84 | float _lastHumidity; |
Wimpie | 0:9b5b3200688f | 85 | PinName _pin; |
Wimpie | 0:9b5b3200688f | 86 | bool _firsttime; |
lamell | 6:49350e4b126d | 87 | int _DHTtype; |
lamell |
8:4a66ebac2a2c | 88 | //int DHT_data[6]; |
Wimpie | 0:9b5b3200688f | 89 | float CalcTemperature(); |
Wimpie | 0:9b5b3200688f | 90 | float CalcHumidity(); |
lamell | 6:49350e4b126d | 91 | float ConvertCelciustoFarenheit(float); |
lamell | 6:49350e4b126d | 92 | float ConvertCelciustoKelvin(float); |
Wimpie | 0:9b5b3200688f | 93 | |
Wimpie | 0:9b5b3200688f | 94 | }; |
Wimpie | 0:9b5b3200688f | 95 | |
Wimpie | 0:9b5b3200688f | 96 | #endif |