meter_main.c

Go to the documentation of this file.

/* This file has been prepared for Doxygen automatic documentation generation.*/
#include "meter.h"

int main(void)
{
  init_power_reduction();
  clock_init();           
  init_lcd();
  lcd_show_all();        
  init_ioport();
  init_UART();
  ADC_CalibrationValues_Load(&ADCA);
  get_offset();
  init_ADC();
  init_eeprom();
  rtc_init();
  init_timer();  

  while(1)
    {
      if (rtc_flag == 1)
      {
        calculate();
        //for debugging
        if(cover_open_flag ==1)
        PORTD.OUTTGL = PIN3_bm;
        //TCC1.CTRLA = ( TCC1.CTRLA & ~TC1_CLKSEL_gm ) | TC_CLKSEL_DIV64_gc;
        TCC1.INTCTRLA = (TCC1.INTCTRLA & ~(TC1_OVFINTLVL_gm | TC1_ERRINTLVL_gm))|TC1_OVFINTLVL0_bm;
        if(power_status_flag == POWER_ON_DETECTED) 
        {
          CLKSYS_Prescalers_Config( CLK_PSADIV_1_gc, CLK_PSBCDIV_1_1_gc );
          PORTD.PIN4CTRL        = PORT_OPC_WIREDANDPULL_gc;
          //PORTD.OUTSET        = PIN4_bm;
          init_ioport();
          SLEEP.CTRL = (SLEEP.CTRL & ~SLEEP_SMODE_gm)| SLEEP_SMODE_IDLE_gc;
          ADC_Enable(&ADCA);
          TCC1.CTRLA = ( TCC1.CTRLA & ~TC1_CLKSEL_gm ) | TC_CLKSEL_DIV64_gc;
          init_lcd();
          power_status_flag = POWERED_UP;
        }
        lcd_disp_key();
        tamper_check();
        if( active_power[0] > max_demand )
        {
          max_demand = active_power[0];
        }
        if(calibration_flag != 0)
        {
          if (calibration_flag == 1)
          { calibrate_time_date();  }
          else if (calibration_flag == 2)
          { calibrate_voltage();    }
          else if (calibration_flag == 3)
          { calibrate_no_load();    }
          else if (calibration_flag == 4)
          { calibrate_phase();      }
          else if (calibration_flag == 5)
          { calibrate_watt();       }
          else if (calibration_flag == 6)
          { calibrate_current();    }
        }
        rtc_flag = 0;
        __watchdog_reset();
      }
      else if(power_status_flag == POWER_OFF_DETECTED)
      {
        PORTD.PIN4CTRL  = PORT_OPC_WIREDAND_gc;
        //PORTD.OUTCLR  = PIN4_bm;
        SLEEP.CTRL = (SLEEP.CTRL & ~SLEEP_SMODE_gm)| SLEEP_SMODE_PSAVE_gc;  
        lcd_command(LCD_COMMAND,0x02);
        facilitatePowersaving();
        ADC_Disable(&ADCA);
        TCC1.CTRLA = ( TCC1.CTRLA & ~TC1_CLKSEL_gm ) | TC_CLKSEL_OFF_gc;
        meter_flush();
        CLKSYS_Prescalers_Config( CLK_PSADIV_64_gc, CLK_PSBCDIV_1_1_gc );
        power_status_flag = POWER_OFF;
        __watchdog_reset();
      }
      SLEEP.CTRL |=  SLEEP_SEN_bm;
      asm("sleep");
    }
}