main.c

#define F_CPU 16000000UL //16mhz
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <util/delay.h>
#include <avr/pgmspace.h>
#include <avr/io.h>
#include <avr/interrupt.h>
#include "TouchScreen.h" 
#include "TFT.h"
#include "config.h"
#include "twicam.h"
#include "camregdef.h"
#include "gammaedit.h"
#include "selections.h"
void menu(void);
//OV7670 undocumented register 1F is called LAEC this means exposures less than one line
#ifdef haveSDcard
#include "ff.h"		/* Declarations of FatFs API */
#include "mmc.h"
//volatile uint16_t Timer;		/* Performance timer (100Hz increment) */

/*---------------------------------------------------------*/
/* 100Hz timer interrupt generated by OC2                  */
/*---------------------------------------------------------*/


ISR(TIMER2_COMPA_vect){
	//PORTG|=1<<5;
	//++Timer;			/* Performance counter for this module */
	disk_timerproc();	/* Drive timer procedure of low level disk I/O module */
	//PORTG&=~(1<<5);
}
/*---------------------------------------------------------*/
/* User Provided Timer Function for FatFs module           */
/*---------------------------------------------------------*/
/* This is a real time clock service to be called from     */
/* FatFs module. Any valid time must be returned even if   */
/* the system does not support a real time clock.          */
/* This is not required in read-only configuration.        */


uint32_t get_fattime(void){
	/*RTC rtc;
	if (!RtcOk) return 0;
	// Get local time
	rtc_gettime(&rtc);*/

	/* Pack date and time into a DWORD variable */
	return	  ((uint32_t)(2013 - 1980) << 25)
			| ((uint32_t)10 << 21)
			| ((uint32_t)27 << 16)
			| ((uint32_t)11 << 11)
			| ((uint32_t)0 << 5)
			| ((uint32_t)0 >> 1);
}
#endif
void main(void){
	DDRL|=8;
	ASSR &= (uint8_t)~(_BV(EXCLK) | _BV(AS2));
	//generate 8mhz clock
	TCCR5A=67;
	TCCR5B=17;
	DDRC=0;//set ov7670 pins to input
	#ifdef MT9D111
		OCR5A=2;//Formula for output clock is F_CPU/(2(x+1))
	#else
		OCR5A=0;
	#endif
	DDRC=0;
	DDRG|=1<<5;
	UBRR0H=0;
	UCSR0A|=2;//double speed aysnc
	UBRR0L=3;//0 = 2m 1= 1m 3 = 0.5M 2M baud rate = 0 7 = 250k 207 is 9600 baud rate
	UCSR0B = (1<<RXEN0)|(1<<TXEN0);//Enable receiver and transmitter
	UCSR0C=6;//async 1 stop bit 8bit char no parity bits
	ADCSRA=(1<<ADEN)|(1<<ADPS2);//enable ADC
	uint8_t error;
	tft_init();//init TFT library
	tft_setDisplayDirect(DOWN2UP);
	#ifdef haveSDcard
		OCR2A = 155;//F_CPU / 1024 / 100 - 1;
		TCCR2A=2;//CTC mode
		TCCR2B=7;//F_CPU/1024
		TIMSK2 |= (1<<OCIE2A);
		disk_timerproc();
	#endif
	sei();
	TWSR&=(uint8_t)~3;//disable prescaler for TWI
	TWBR=72;//set to 100khz
	#ifdef ov7670
		configSel();
	#else
		initCam();
	#endif
	//try writing to sd card
	#ifdef haveSDcard
		tft_drawStringP(PSTR("About to initialize"),24,320,1,WHITE);
		//UINT bw;
		disk_initialize(0);
		tft_drawStringP(PSTR("Initialized"),32,320,1,WHITE);
		f_mount(&FatFs, "0:", 0);		/* Give a work area to the default drive */
		tft_drawStringP(PSTR("Mounted"),40,320,1,WHITE);
	#endif
	menu();
}