/*********************************************
* Author: Elmar Benninghaus, Copyright: GPL 
* This program is the base program for board
* elavr32
* Chip type           : ATmega32/16
* Clock frequency     :14,7456Mhz MHz

A simple base program for the BOARD ELAVR32
using the RTC, LCD, KEY's, and the timer int
for showing, and setting the time.

*********************************************/


#include "prog.h"

#include "../../inc/global.h"
#include "../../inc/utils.c"
#include "../../inc/lcd.c"
#include "../../inc/serial.c"
#include "../../inc/i2csig.c"
#include "../../inc/pfc8583.c"
#include "../../inc/key.c"


#include "../inc/int.c"
#include "../inc/usr.c"



prog_char row_version[16]   =  "Version   1.02\0";
prog_char row_name[16]      =  "ELAVR32 - BASE\0";

prog_char row_menu[3][32]   = {
"               \0",
"SET DATE       \0",
"SET TIME       \0"
};





int main(void)
{
	int oldsecond,menuptr;
    unsigned char key,flag;
    
	///////////////////////////////////////////////////////
	//// BOARD - FIRST - SIGNALSETUP - START //////////////
	///////////////////////////////////////////////////////

	// After startup all Ports set as input
	// with value 0 ( no pullups ).

	//PORT A Signals - LCD, Analog-Keyinput
	/*
	Port A0 is analog input for keys
	
	Port A1 is output ENABLE for LCD
	Port A2 is output RS for LCD
	Port A3 is output RD/-WR for LCD
	
	Port A4,A5,A6,A7 is 5 bit dataport to LCD

	Startup situation should be:
	PA0 input           no pullup
	PA1 output low
	PA2 output low
	PA3 output low
	PA4,5,6,7 output high
	*/
	
	DDRA  = 0xFE;  	//set io-pins on PortA Porta1, to Porta7
	  		        //as output, but leave Porta0 as it is.
	PORTA = 0; 	    //all to 0

 	//???? SFIOR&=!(1<<PUD); 	//Pullups Enable

	//I2C - Signals / TOSC - Signals
	/////////////////////////////////
	//SCL PC0 Out ( external 10K pullup to vbat )
	//SDA PC1 Out ( external 10K pullup to vbat )
	//TOSC1 PC6	con. to 32768 Hz Osc.
	//TOSC2 PC7 con. to 32768 Hz Osc.	

	PORTC = 3;		//first setting it to high, to be sure additionally internal pullups are active
					//and we do not claim signals to low, because this inits a reset to the rtc,
					//if going signal high again next time.
	DDRC  = 3;		//PC0,PC1 as output 


	//SPI - Signals
	///////////////
	//SPI-Signals will be set to MASTER by default
	//MISO(SPI-MAIN)   PB6 In   (external 47K pullup to VCC )
	//MOSI(SPI-MAOUT)  PB5 Out
	//SCK (SPI-CLKOUT) PB7 Out
	//SS  (SPI-CSOUT)  PB4 Out
	//??????????????????????????
	//PORTB = 176;	//first setting pullups PB4,5,7 to high	
	//DDRB  = 176;	//PB4,5,7 to output, all other unchanged
	//PORTB = 176;	//these signals also to high
	//(this we can do also later, when init spi,
	// perhaps for spi-programming it's better to leave this
	// signals untouched.)	
	
	
	//RS232 - Signals
	/////////////////
	//RXD PD0 In
	//TXD PD1 Out
	DDRD  = 2;	//PD1 as output, no change of value

	///////////////////////////////////////////////////////
	//// BOARD - FIRST - SIGNALSETUP - END ////////////////
	///////////////////////////////////////////////////////


 	LCDInit();
	LCDCls();
 	LCDWriteP((char *)&row_name);
 	LCDPos(1,0);
 	LCDWriteP((char *)&row_version);

	// ser_init();

	//sbi( SFIOR, 0);//reset prescaler Timer0, and Timer1


	rtc_get_time();

	sei();  //enable all interrupts

	// cli();  //clear  all interrupts


	oldsecond = SECOND;
	menuptr   = 0;
	flag      = 0;
	//main-loop
	///////////	
	while( 1 ){

		if( ( key = readkey()) != NOKEY ){

			LCDPos(1,0);
			LCDWriteP((char *)&row_sep);

			if( key == KEY_MENU ){
				menuptr++;
				if( menuptr > 2 ){
					menuptr = 0;
				}
				LCDPos(0,0);
			    LCDWriteP((char *)&row_menu[menuptr]);
			}

			if( key == KEY_ACK ){
				LCDCls();
				switch( menuptr ){
					case 0:
							break;
					case 1:
						cbi( TIMSK, TOIE0);//disable timer0 overflow int
						if( setusrDate() ){
							rtc_set_time();
						}
						else {
							sbi( TIMSK, TOIE0);//enable timer0 overflow int
						}
						menuptr = 0;
						break;
						
					case 2:
						cbi( TIMSK, TOIE0);//disable timer0 overflow int
						if( setusrTime() ){
							rtc_set_time();
						}
						else {
							sbi( TIMSK, TOIE0);//enable timer0 overflow int
						}
						menuptr = 0;
						break;
						
					default:break;
				}
				LCDCls();
			    LCDWriteP((char *)&row_menu[menuptr]);				
			}
	
			key = 0;
		}



	
		if( oldsecond != SECOND ){
			oldsecond = SECOND;
						
			printDateTime();			
		}
		
		
		
		
		//normally, all stuff before is for configurations
		if( flag ){
			//preparations for programloop
			LCDCls();
			while( flag ){
				//here is the loop for the functionality program
			}
		}
		
	}
}

/*
	//menupoint, - usr sets time
	

*/