#ifndef COUNTERMAND_PULSE

#define COUNTERMAND_PULSE

#include <pulsedThread.h>

#include "GPIOlowlevel.h"

#include "SimpleGPIO_thread.h"

#include <stdio.h>

/* ************************************** declaration of non-class thread functions *********************************/

void Countermand_Hi (void * taskData);

void Countermand_Lo (void * taskData);

int countermand_Init (void * initDataP, void * &taskDataP);

/* ******************** Custom Data Struct is same as Simple GPIO with added bool for countermanding ****************************/

typedef struct CountermandPulseStruct{

unsigned int * GPIOperiHi; // address of register to write pin bit to on Hi

unsigned int * GPIOperiLo; // address of register to write pin bit to on Lo

unsigned int pinBit; // pin number translated to bit position in register

int countermand; // 0 for regular pulse, 1 to request countermand, 2 if in middle of a countermand

bool wasCountermanded; // true if last pulse was countermanded

pthread_mutex_t * taskMutexPtr; // pointer to task mutex, so we can lock and unlock it from hi func

}CountermandPulseStruct, *CountermandPulseStructPtr;

/* ***************************** CountermandPulse subclasses SimpleGPIO_thread **************************************************/

class CountermandPulse : public SimpleGPIO_thread{

public:

CountermandPulse (int pinP, int polarityP, unsigned int delayUsecs, unsigned int durUsecs, void * initData, int accLevel , int &errCode) : SimpleGPIO_thread (pinP, polarityP, (unsigned int) delayUsecs, (unsigned int) durUsecs, (unsigned int) 1, initData, &countermand_Init, accLevel, errCode) {};

static CountermandPulse * CountermandPulse_threadMaker (int pin, int polarity, unsigned int delayUsecs, unsigned int durUsecs, int accuracyLevel);

bool doCountermandPulse (void);

bool countermand(void);

bool wasCountermanded (void);

protected:

CountermandPulseStructPtr taskStructPtr;

};

#endif