#if !defined(__IO_H__)
#define __IO_H__

#include <wiringPi.h>
#include <stdio.h>
#include <syslog.h>

#define GPIO_LED_MOTRUN 17      // GPIO Pin for LED motor is running
#define GPIO_OUT_PWRON 22       // GPIO Pin for output "Ignition Key"

#define GPIO_KEY_STOP 26        // GPIO Pin for Key "Stop"
#define GPIO_KEY_PWRUP 5        // GPIO Pin for Key "Increase Power"
#define GPIO_KEY_PWRDOWN 6      // GPIO Pin for Key "Decrease Power"

#define KEY_RISING_FILTERCYCLES 5           // filter value for input rising edge
#define KEY_FALLING_FILTERCYCLES 15         // filter value for input falling edge
#define KEY_START_REPEAT_CYCLECOUNT 50      // number of cycles when to start repeating key presses
#define KEY_REPEAT_CYCLECOUNT 50            // number of cycles how often to repeat key presses

// data structure for a key
struct GPIO_KEY_DATA
{
    int iKeyPin;
    int iKeyValue;
    int iKeyRisingEdge;
    int iKeyFallingEdge;
    unsigned int nHighCycleCounter;
    unsigned int nLowCycleCounter;
    int iKeyPressedCycleCounter;
    int iKeyRepeatCycleCounter;
};

extern int iPowerSupplyOn;

int IO_Init();
void IO_DoCyclic();
void SetupKeyPin(struct GPIO_KEY_DATA *pdata, int iKeyPin);
void SetupOutputPin(int iOutPin);
void WriteOutputPin(int iOutPin, int iValue);

#endif