InterruptIn style DigitalIn debounced with callbacks for pin state change and pin state hold.

Dependents:   AVC_20110423 SimplePIDBot Pushbutton_Debounce_Interrupt FinalProgram ... more

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ChangeLog.h

00001 /*
00002     Copyright (c) 2010 Andy Kirkham
00003  
00004     Permission is hereby granted, free of charge, to any person obtaining a copy
00005     of this software and associated documentation files (the "Software"), to deal
00006     in the Software without restriction, including without limitation the rights
00007     to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00008     copies of the Software, and to permit persons to whom the Software is
00009     furnished to do so, subject to the following conditions:
00010  
00011     The above copyright notice and this permission notice shall be included in
00012     all copies or substantial portions of the Software.
00013  
00014     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00015     IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00016     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00017     AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00018     LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00019     OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00020     THE SOFTWARE.
00021 
00022     1.5     13 Jan 2011 - Made the isr() protected and made the class a friend of Ticker.
00023                           Read the previous state and store when the sample frequency is
00024                           set so that initial assert_deassert_held() isn't called at startup.
00025                               
00026     1.4     13 Jan 2011 - Added an extra overloaded constructor that allows
00027                           the DigitalIn PinMode to be passed when the the class
00028                           is declared. So mode() isn't really needed but is left
00029                           in for completeness.
00030     
00031     1.3     13 Jan 2011 - Updated some doxygen comments.
00032 
00033     1.2     13 Jan 2011 - Added ChangeLog.h file.
00034 
00035     1.1     13 Jan 2011 - Fixed some typos.
00036 
00037     1.0     13 Jan 2011 - Initial release.
00038 
00039 */