FPointer - A callback system that allows for 32bit unsigned ints to be passed to and from the callback.
Dependents: FYPFinalProgram FYPFinalizeProgram KEYS SaveKeypad ... more
example2.h
- Committer:
- AjK
- Date:
- 2011-01-18
- Revision:
- 2:56e309e76c19
- Parent:
- 1:d7803001a259
File content as of revision 2:56e309e76c19:
/* Copyright (c) 2011 Andy Kirkham 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. */ #ifdef AJK_COMPILE_EXAMPLE2 #include "mbed.h" #include "FPointer.h" class FOO { protected: DigitalOut *led1; DigitalOut *led2; DigitalOut *led3; DigitalOut *led4; public: FOO() { led1 = new DigitalOut(LED1); led2 = new DigitalOut(LED2); led3 = new DigitalOut(LED3); led4 = new DigitalOut(LED4); } uint32_t myCallback(uint32_t value) { int i = *((int *)value); led4->write( (i & 1) ? 1 : 0 ); led3->write( (i & 2) ? 1 : 0 ); led2->write( (i & 4) ? 1 : 0 ); led1->write( (i & 8) ? 1 : 0 ); return 0; } }; // Create an instance of FOO called foo. FOO foo; int main() { FPointer myPointer; int count = 0; // Attach a C++ object/method pointer as the callback. myPointer.attach(&foo, &FOO::myCallback); while(1) { wait(0.5); // Make the callback passing a pointer // to the int count variable. myPointer.call((uint32_t)&count); count++; } } #endif