/*
 * dlm3232.c
 *
 *  Created on: 5. 10. 2018
 *      Author: IvanMahdik
 */
#include <stdint.h>
#include <util/delay.h>
#include "pin_Layout.h"
#include "dlm3232.h"

void dlm3232_initial(void);
void dlm3232_CL(void);
void dlm3232_alignment(void);
void dlm3232_print(uint32_t *array_scene_fn);

uint32_t array_scene[32];

void dlm3232_initial(void)
{
	dlm3232_DATA_DDR        = 0xFF;							//8bit data bus line
	dlm3232_DATA_PORT       = 0x00;
	dlm3232_LATCH_EN_DDR   |=  _BV(dlm3232_LATCH_EN1_P) | _BV(dlm3232_LATCH_EN2_P) | _BV(dlm3232_LATCH_EN3_P) | _BV(dlm3232_LATCH_EN4_P);	//Latch 1-4
	dlm3232_LATCH_EN_PORT  &= ~_BV(dlm3232_LATCH_EN1_P) & ~_BV(dlm3232_LATCH_EN2_P) & ~_BV(dlm3232_LATCH_EN3_P) & ~_BV(dlm3232_LATCH_EN4_P);
	dlm3232_CL_DDR         |=  _BV(dlm3232_CL_P);			//Clock
	dlm3232_CL_PORT        &= ~(1 << dlm3232_CL_P);
	dlm3232_ALIGNMENT_DDR  &= ~_BV(dlm3232_ALIGNMENT_P);	//Alignment
	dlm3232_ALIGNEMNT_PORT &= ~_BV(dlm3232_ALIGNMENT_P);

	for (int i = 0; i < 32; i++)						//set to initial/erase memory for 32*32bits
		array_scene[i] = 0;
}
void dlm3232_CL(void)	//clock //otestovat _delay_us(0.2/2) pri inline a klasickej funkcii
{
	dlm3232_CL_PORT |= (1 << dlm3232_CL_P);
	_delay_us(0.001);
	dlm3232_CL_PORT &= ~(1 << dlm3232_CL_P);
	_delay_us(0.001);
}
void dlm3232_alignment(void)				//alignment of shift register
{
	while ((dlm3232_ALIGNMENT_PIN & _BV(dlm3232_ALIGNMENT_P)) == 0)
		dlm3232_CL();
}
void dlm3232_print(uint32_t *array_scene_fn)
{
	dlm3232_alignment();						//alignment of shift register
	for (int i = 0; i < 32; i++)				//screen view
	{
		for (int j = 0, shift = 0; j < 4; j++, shift += 8)
		{
			dlm3232_DATA_PORT = (array_scene_fn[i] >> shift) & 0xFF;	//write data to PORT
			dlm3232_LATCH_EN_PORT |= (1 << j);							//latch ENNABLE
			dlm3232_LATCH_EN_PORT &= ~(1 << j);							//latch DISABLE
		}
//		sei();		//enable all interrupt.
		_delay_us(650);							//LED ON
//		cli();		//disable all interrupt.
		dlm3232_DATA_PORT = 0x00;				//erase port
		dlm3232_LATCH_EN_PORT |= 0xF;			//LED OFF
		dlm3232_LATCH_EN_PORT &= ~0xF;
		dlm3232_CL();							//clock to shift register
	}
}