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#include ".\camerus.h"

#use fast_io (C)

#define LED PIN_C0
#define HREF PIN_C5
#define PIX PIN_C6

void main()
{
   int8 cas;

   setup_adc_ports(ALL_ANALOG);
   setup_adc(ADC_CLOCK_INTERNAL);
   setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
   setup_timer_1(T1_DISABLED);
   setup_timer_2(T2_DIV_BY_16,62,1);
   setup_ccp1(CCP_PWM); // RC1
   setup_ccp2(CCP_PWM); // RC2
   setup_comparator(NC_NC_NC_NC);
   setup_vref(FALSE);

   set_tris_c(0x11111000);

   output_high(LED);

   i2c_start();      // Reset
   i2c_write(0xC0);
   i2c_write(0x12);
   i2c_write(0x80 | 0x24);
   i2c_stop();

   i2c_start();      // BW
   i2c_write(0xC0);
   i2c_write(0x28);
   i2c_write(0b01000001);
   i2c_stop();

   i2c_start();      // Contrast
   i2c_write(0xC0);
   i2c_write(0x05);
   i2c_write(0xFF);
   i2c_stop();

   i2c_start();      // Brightness
   i2c_write(0xC0);
   i2c_write(0x06);
   i2c_write(0x80);
   i2c_stop();

/*
   i2c_start();      // Band Filter
   i2c_write(0xC0);
   i2c_write(0x2D);
   i2c_write(0x04 | 0x03);
   i2c_stop();

   i2c_start();      // 4-bit, (CLK/4)
   i2c_write(0xC0);
   i2c_write(0x3E);
   i2c_write(0x10 | 0x80);
   i2c_stop();
*/
   i2c_start();      // VSTRT
   i2c_write(0xC0);
   i2c_write(0x19);
   i2c_write(45);
   i2c_stop();

   i2c_start();      // VEND
   i2c_write(0xC0);
   i2c_write(0x1A);
   i2c_write(45);
   i2c_stop();

   output_low(LED);

   while(true)
   {
      while(!input(HREF));
      set_timer0(0);
      while(input(PIX));
      set_pwm1_duty(get_timer0());
      delay_ms(1);
   };
}