DMD_Monochrome_Parallel.h

#pragma once
#include "DMD_STM32a.h"

class DMD_Monochrome_Parallel :
	public DMD
{
public:
	DMD_Monochrome_Parallel(byte _pin_A, byte _pin_B, byte _pin_nOE, byte _pin_SCLK, uint8_t* pinlist,
		byte panelsWide, byte panelsHigh, bool d_buf = false, byte dmd_pixel_x = 32, byte dmd_pixel_y = 16);

	~DMD_Monochrome_Parallel();

	void init(uint16_t scan_interval = 1000) override;
	void drawPixel(int16_t x, int16_t y, uint16_t color) override;
	void scan_dmd();
	void clearScreen(byte bNormal)  override;
	void shiftScreen(int8_t step)  override;

	// You can only allowed to change the connectScheme (to use a Zigzag) 
	// only on a display with an even number of rows per channel.
	virtual void setConnectScheme(uint8_t sch) override {
		if ((pack_factor %2) == 0 ) 
		  DMD::setConnectScheme(sch);
	};

protected:

	void set_pin_modes() override;

private:

	const uint8_t column_size = 8 * DMD_MONO_SCAN;
	// horizontal rows per channel
#ifdef MONO_PARA_PACK_FACTOR
	uint8_t pack_factor = MONO_PARA_PACK_FACTOR;
#else	
	uint8_t pack_factor = 1;
#endif	
 
#if (defined(__STM32F1__) || defined(__STM32F4__))
#ifdef USE_UPPER_8BIT
	PortType clk_clrmask_low, clkmask_low;
#endif // USE_UPPER_8BIT
		PortType row_mask[8];
#endif

	
};