Web server based weather station using Sparkfun Weather Meters.
Dependencies: FatFileSystem mbed WeatherMeters SDFileSystem
Anemometer.cpp@0:616601bde9fb, 2012-02-23 (annotated)
- Committer:
- AdamGreen
- Date:
- Thu Feb 23 21:38:39 2012 +0000
- Revision:
- 0:616601bde9fb
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AdamGreen | 0:616601bde9fb | 1 | /* Copyright 2012 Adam Green (http://mbed.org/users/AdamGreen/) |
AdamGreen | 0:616601bde9fb | 2 | |
AdamGreen | 0:616601bde9fb | 3 | Licensed under the Apache License, Version 2.0 (the "License"); |
AdamGreen | 0:616601bde9fb | 4 | you may not use this file except in compliance with the License. |
AdamGreen | 0:616601bde9fb | 5 | You may obtain a copy of the License at |
AdamGreen | 0:616601bde9fb | 6 | |
AdamGreen | 0:616601bde9fb | 7 | http://www.apache.org/licenses/LICENSE-2.0 |
AdamGreen | 0:616601bde9fb | 8 | |
AdamGreen | 0:616601bde9fb | 9 | Unless required by applicable law or agreed to in writing, software |
AdamGreen | 0:616601bde9fb | 10 | distributed under the License is distributed on an "AS IS" BASIS, |
AdamGreen | 0:616601bde9fb | 11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
AdamGreen | 0:616601bde9fb | 12 | See the License for the specific language governing permissions and |
AdamGreen | 0:616601bde9fb | 13 | limitations under the License. |
AdamGreen | 0:616601bde9fb | 14 | */ |
AdamGreen | 0:616601bde9fb | 15 | /* Implementation of class to interface for anemometer sensor with Sparkfun Weather Meters: |
AdamGreen | 0:616601bde9fb | 16 | http://www.sparkfun.com/products/8942 |
AdamGreen | 0:616601bde9fb | 17 | */ |
AdamGreen | 0:616601bde9fb | 18 | #include <mbed.h> |
AdamGreen | 0:616601bde9fb | 19 | #include "Anemometer.h" |
AdamGreen | 0:616601bde9fb | 20 | |
AdamGreen | 0:616601bde9fb | 21 | |
AdamGreen | 0:616601bde9fb | 22 | #define REV_PER_SECOND_TO_KMPH 2.4f |
AdamGreen | 0:616601bde9fb | 23 | |
AdamGreen | 0:616601bde9fb | 24 | |
AdamGreen | 0:616601bde9fb | 25 | CAnemometer::CAnemometer(PinName AnemometerPin, unsigned int IgnoreTimeForDebounceInMicroSeconds) |
AdamGreen | 0:616601bde9fb | 26 | : CDebouncedFallingEdgeCounter(AnemometerPin, IgnoreTimeForDebounceInMicroSeconds) |
AdamGreen | 0:616601bde9fb | 27 | { |
AdamGreen | 0:616601bde9fb | 28 | m_CurrentWindSpeed = 0.0f; |
AdamGreen | 0:616601bde9fb | 29 | ResetMaximumWindSpeed(); |
AdamGreen | 0:616601bde9fb | 30 | m_OneSecondTicker.attach_us<CAnemometer>(this, &CAnemometer::OneSecondTickerISR, 1000000); |
AdamGreen | 0:616601bde9fb | 31 | } |
AdamGreen | 0:616601bde9fb | 32 | |
AdamGreen | 0:616601bde9fb | 33 | |
AdamGreen | 0:616601bde9fb | 34 | void CAnemometer::ResetMaximumWindSpeed() |
AdamGreen | 0:616601bde9fb | 35 | { |
AdamGreen | 0:616601bde9fb | 36 | m_MaximumWindSpeed = m_CurrentWindSpeed; |
AdamGreen | 0:616601bde9fb | 37 | } |
AdamGreen | 0:616601bde9fb | 38 | |
AdamGreen | 0:616601bde9fb | 39 | |
AdamGreen | 0:616601bde9fb | 40 | void CAnemometer::OneSecondTickerISR() |
AdamGreen | 0:616601bde9fb | 41 | { |
AdamGreen | 0:616601bde9fb | 42 | unsigned int GetCurrentCount = GetCountAndZero(); |
AdamGreen | 0:616601bde9fb | 43 | |
AdamGreen | 0:616601bde9fb | 44 | m_CurrentWindSpeed = (float)GetCurrentCount * REV_PER_SECOND_TO_KMPH; |
AdamGreen | 0:616601bde9fb | 45 | if (m_CurrentWindSpeed > m_MaximumWindSpeed) |
AdamGreen | 0:616601bde9fb | 46 | { |
AdamGreen | 0:616601bde9fb | 47 | m_MaximumWindSpeed = m_CurrentWindSpeed; |
AdamGreen | 0:616601bde9fb | 48 | } |
AdamGreen | 0:616601bde9fb | 49 | } |
AdamGreen | 0:616601bde9fb | 50 | |
AdamGreen | 0:616601bde9fb | 51 | float CAnemometer::GetCurrentWindSpeed() |
AdamGreen | 0:616601bde9fb | 52 | { |
AdamGreen | 0:616601bde9fb | 53 | return m_CurrentWindSpeed; |
AdamGreen | 0:616601bde9fb | 54 | } |
AdamGreen | 0:616601bde9fb | 55 | |
AdamGreen | 0:616601bde9fb | 56 | |
AdamGreen | 0:616601bde9fb | 57 | float CAnemometer::GetMaximumWindSpeed() |
AdamGreen | 0:616601bde9fb | 58 | { |
AdamGreen | 0:616601bde9fb | 59 | return m_MaximumWindSpeed; |
AdamGreen | 0:616601bde9fb | 60 | } |