#include <avr/io.h>
#include <stdio.h>
#define F_CPU 16000000UL  // 16 MHz
#ifndef ALIBC_OLD
#include <util/delay.h>
#else
#include <avr/delay.h>
#endif

#include "lcd16.h"

void SPI_WRITE_16(unsigned short data)
{
    unsigned char MSdata = ((data >>8) & 0x00FF);
    unsigned char LSdata = (data & 0x00FF);

    SPDR = MSdata;
    while(!(SPSR & (1<<SPIF)));
    SPDR = LSdata;
    while(!(SPSR & (1<<SPIF)));
}

int main(void)
{
   //LED
   DDRC = 0x02; //set C.1 as out - led
   PORTC = 0x02;
   
   //SPI
   uint16_t data[5] = {0x0000, 0x0FA0, 0x1F40, 0x2EE0, 0x3FFC};
   //uint16_t data[0] = 0x0000; //0 - min, 2 first 00...., 2 last ...00
   //uint16_t data[1] = 0x0FA0; //1000, 2 first 00...., 2 last ...00
   //uint16_t data[2] = 0x1F40; //2000, 2 first 00...., 2 last ...00
   //uint16_t data[3] = 0x2EE0; //3000, 2 first 00...., 2 last ...00
   //uint16_t data[4] = 0x3FFC; //4095 - max, 2 first 00...., 2 last ...00
   DDRB = (1<<PORTB0)|(1<<PORTB5)|(1<<PORTB7);//SS, MOSI, SCK
   SPCR = (1<<SPE)|(1<<MSTR)|(1<<CPOL);
   
   //LCD
   DDRD = 0xFF;
   int i,j; i = 0;
   char lcd_buffer[33];
   lcdInit();   // init the LCD screen
   _delay_ms(50);
   lcdCmd(0x01); // clear lcd
   _delay_ms(50);
    gotoXy(5,0); // goto (5.0)
   prints("LCD");
   _delay_ms(500);
   gotoXy(0,1); // goto (0.1)
   prints("LCD_ATMEGA32");
   _delay_ms(500);
   
   while(1)
   {

      for (j = 0; j<=5; j++)
      {
         i = i+1;
         sprintf(lcd_buffer,"_counter: %u",i);
         lcdCmd(0x01); // clear lcd
         gotoXy(0,0); // goto (0.0)
         prints(lcd_buffer);
         _delay_ms(100);
         PORTB &= 0 << PORTB0;
         SPI_WRITE_16(data[j]);
         PORTB |= 1 << PORTB0;
         PORTC |= (1<<PORTC1);
         _delay_ms(2000);
      }

   }
}

#include <avr/io.h>
#include <stdio.h>
#define F_CPU 16000000UL  // 16 MHz
#ifndef ALIBC_OLD
#include <util/delay.h>
#else
#include <avr/delay.h>
#endif

void SPI_WRITE_16(unsigned short data)
{
    unsigned char MSdata = ((data >>8) & 0x00FF);
    unsigned char LSdata = (data & 0x00FF);

    SPDR = MSdata;
    while(!(SPSR & (1<<SPIF)));
    SPDR = LSdata;
    while(!(SPSR & (1<<SPIF)));
}

int main(void)
{
   //LED
   DDRC = 0x02; //set C.1 as out - led
   PORTC = 0x02;
   
   //SPI
   uint16_t data[5] = {0x0000, 0x03E8, 0x07D0, 0x0BB8, 0x0FA0};
   //uint16_t data[0] = 0x0000; //0//0 - min, 2 first 00...., 2 last ...00
   //uint16_t data[1] = 0x03E8; //0.33//250, 2 first 00...., 2 last ...00
   //uint16_t data[2] = 0x07D0; //0.66//500, 2 first 00...., 2 last ...00
   //uint16_t data[3] = 0x0BB8; //0.99//750, 2 first 00...., 2 last ...00
   //uint16_t data[4] = 0x0FA0; //1.22//1000, 2 first 00...., 2 last ...00
   DDRB |= (1<<PORTB4)|(1<<PORTB5)|(1<<PORTB7);//SS, MOSI, SCK
   SPCR |= (1<<SPE)|(1<<MSTR)|(1<<CPOL);
   
   int i,j; i = 0;

   while(1)
   {
      for (j = 0; j<5; j++, i++)
      {
         PORTB &= ~(1 << PORTB4); //B4 = 0;
         SPI_WRITE_16(data[j]);
         PORTB |= (1<<PORTB4); //B4 = 1;
         PORTC |= (1<<PORTC1);
         _delay_ms(1000);
      }

   }
}