#define cbi(reg, bitmask) *reg &= ~bitmask
#define sbi(reg, bitmask) *reg |= bitmask
const uint8_t LEFT=0;
const uint8_t RIGHT=1;
uint8_t nP[2][8] = {{0,17, 9,10,11,12,13,14},{18,17, 1, 2, 3, 6, 7, 8}}; // pins of version 1.0 using DP32 board definitions

#if defined(__AVR__)
volatile uint8_t *pP[2][8];
uint8_t           bP[2][8];
#elif defined(__PIC32MX__)
volatile uint32_t *pP[2][8];
uint32_t           bP[2][8];
#endif

void _IO_Init() {
	for (uint8_t i=0; i<2; i++){
		for (uint8_t j=0; j<8; j++){
			pP[i][j] = portOutputRegister(digitalPinToPort(nP[i][j]));
			bP[i][j] = digitalPinToBitMask(nP[i][j]);
		}
	}
}

void setup()
{
	_IO_Init();
	for (uint8_t i=0; i<8; i++){
		pinMode(nP[RIGHT][i],OUTPUT);
	}
}

void loop()
{
	sbi(pP[RIGHT][2], bP[RIGHT][2]);
	delay(500);
	cbi(pP[RIGHT][2], bP[RIGHT][2]);
	delay(100);
}