pulse_width_reader.h

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#ifndef libpropeller_readpulsewidths_h__
#define libpropeller_readpulsewidths_h__
#include <propeller.h>

extern char _load_start_pulsewidthreader_cog[];

class PulseWidthReader {
public:

    PulseWidthReader() {
        Cog = 0;
    }

    void Start(unsigned int Inputmask) {
        volatile void * asm_reference = NULL;
        __asm__ volatile ("mov %[asm_reference], #PulseWidthReader_Entry \n\t"
                : [asm_reference] "+r" (asm_reference));
        Stop();

        pinTimes[0] = Inputmask;
        Cog = cognew(_load_start_pulsewidthreader_cog, pinTimes) + 1;
    }

    void Stop(void) {
        if (Cog != 0) {
            cogstop(Cog - 1);
            Cog = 0;
        }
    }

    int getHighTime(int index){
        return pinTimes[index * 2];
    }

    int getLowTime(int index){
        return pinTimes[index * 2 + 1];
    }

private:
    int Cog;
    volatile int pinTimes[64];
    

};

#endif // libpropeller_readpulsewidths_h__