#include <pic18.h>
#include <stdio.h>
#include <string.h>
#include "lcd.h"
// Delay.h is included inside lcd.c

#define LCD_LENGTH 16
#define LCD_ROWS 2


unsigned char global_Pot_Hi;
unsigned char global_Pot_Lo;
unsigned char global_LCD_Buffer[LCD_ROWS][LCD_LENGTH];
/*void AD_init(void)
{
	ADON	= 1;
}
*/
// Nicked from H7
void ad_init(void)
{
	// AD Conversion clock
	ADCS0 = 0;
	ADCS1 = 0;
	ADCS2 = 0;

	//Select AN0/RA0 for AD source
		// In this (000) setup, it's only RA0/AN0 that does ad convertion.
	CHS0=0;
	CHS1=0;
	CHS2=0;
	
	//Only AN0 is selected for AD and with Vdd/Vss as limits
	PCFG0=0;
	PCFG1=1;
	PCFG2=1;
	PCFG3=1;
	
	//Result is left justified
	ADFM=0; 
	
	//Fire up for A/D converter module
	ADON=1;
}

void rs232_init(void)
{
	SPEN	= 0;	// Serial Port Enable Bit... 0 = disabled
	TRISC6	= 0;
	TRISC7	= 1;
	SYNC	= 0;	// SYNC switches between async(0) and sync(1) mode.
	SPBRG	= 25;
	TXSTA	= 0x24;
	RCSTA	= 0x90;
	SPEN	= 1;
}

void interrupt_init(void)
{
	// Assumes that all interrupts default is 0
	PEIE	= 1;
	GIE		= 1;
	RCIE	= 1;
}	

void pic18_io_init(void)
{
	TRISA0	= 1;	// analog input
	TRISB1	= 1;	// TRISB1-4 Digital input
	TRISB2	= 1;
	TRISB3	= 1;
	TRISB4	= 1;
}	

void interrupt_recieve_handler(void)
{
	// Handle recieve inputs...
}

void interrupt interrupt_handler(void)
{
	// Finds out what interrupt have been trigged, and starts the respective function.
	if(RCIF == 1)
	{
		interrupt_recieve_handler();
		RCIF = 0;
	}
}		

void update_lcd(void)
{	
	char toLCD0[LCD_LENGTH], toLCD1[LCD_LENGTH];
	char B1[LCD_LENGTH];
	char sprintF[LCD_LENGTH];
	lcd_goto(0x00);
	sprintf(toLCD0, "%s", "Ejdesgaard");
	if(RB1)
	{
		sprintf(B1, "Pwr%s", "True");
	}
	else
	{
		sprintf(B1, "%s", "False");
	}
	lcd_puts(B1);
	
	lcd_goto(0x40);
	sprintf(sprintF,"%08d%08d", global_Pot_Hi, global_Pot_Lo);
	lcd_puts(sprintF); 
	
}

void main()
{
/////////////////////////////////////////////
// Running Init's

	// Running init for various components.
	//AD_init();
	ad_init();
	rs232_init();
	pic18_io_init();
	lcd_init(0);

/////////////////////////////////////////////
// Main loop

	while(1)
	{
	// Checking if A/D convertion is done, and save the data in global_Pot_??
		if(GODONE==0)
		{
			global_Pot_Hi = ADRESH;
			global_Pot_Lo = ADRESL;
			GODONE = 1;
		}
		
	update_lcd();
	}
}