Man spricht bei Vererbung von einer Ist ein-Beziehung
Übung zu IsA
https://os.mbed.com/users/fpucher/code/HIM0Board/wiki/IsA
ISA
#include "mbed.h" class SwEventInh: public InterruptIn { // InterruptIn _isr; volatile bool _pressed; void _risingISR(); public: SwEventInh(PinName pin) : InterruptIn (pin) { // create the InterruptIn on the pin specified to SwEvent rise(callback(this, &SwEventInh::_risingISR)); // attach ISR-function of this SwEvent instance _pressed=0; } int checkFlag(); // must in do-condition (while(true)-loop) continuously interrogated }; // ---------------- Switch Event Class Methodes -------------------------- int SwEventInh::checkFlag() { if( _pressed ) { _pressed = 0; return 1; } return 0; } void SwEventInh::_risingISR() { if( read() ) _pressed = 1; _pressed = !_pressed; } SwEventInh sw1(p14); DigitalOut myled(LED1); int main() { myled = 1; wait(1); myled = 0; printf("Hello SwEvent v0.1\n"); while(1) { sw1.read(); if(sw1.checkFlag()) myled = ! myled; } }
Revisions of mbed.bld
Revision | Date | Message | Actions |
---|---|---|---|
0:35c32e6d03ab | 2019-02-04 | Man spricht bei Vererbung von einer Ist ein-Beziehung | File Diff Annotate |