int main(void)
{
//! set the power reduction register to minimize current consumption
init_power_reduction();
//! set CPU clock to 32MHz and enables the DFLL32MHz
clock_init();
//! initialize the LCD module
init_lcd();
//! display all the segments in LCD
lcd_show_all();
//! initialize the GPIO pins
init_ioport();
//! initializes the UART
init_UART();
//! load the calibration data from flash
ADC_CalibrationValues_Load(&ADCA);
//! get the ADC offset value
get_offset();
//! initialize the ADC
init_ADC();
//! load the calibration value from eeprom
init_eeprom();
//! initilize RTC to external clock and 1 sec interrupt
rtc_init();
//! initilize the timer
init_timer();
while(1)
{
//! rtc_flag is set
if (rtc_flag == 1)
{
//! perform the calculation of metering paramters
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 on detected
if(power_status_flag == POWER_ON_DETECTED)
{
//! change the clock frequency to 32MHz
CLKSYS_Prescalers_Config( CLK_PSADIV_1_gc, CLK_PSBCDIV_1_1_gc );
//! switch off the battery
PORTD.PIN4CTRL = PORT_OPC_WIREDANDPULL_gc;
//PORTD.OUTSET = PIN4_bm;
//! initialize gpio pins
init_ioport();
//! change the sleep mode to ideal sleep
SLEEP.CTRL = (SLEEP.CTRL & ~SLEEP_SMODE_gm)| SLEEP_SMODE_IDLE_gc;
//! enable ADC & Timer
ADC_Enable(&ADCA);
TCC1.CTRLA = ( TCC1.CTRLA & ~TC1_CLKSEL_gm ) | TC_CLKSEL_DIV64_gc;
//! initialize lcd module
init_lcd();
//! update power status flag
power_status_flag = POWERED_UP;
}
//! update the LCD display
lcd_disp_key();
tamper_check();
if( active_power[0] > max_demand )
{
max_demand = active_power[0];
}
//! check for calibration flag and proceed and call the appropriate calibration funtion
if(calibration_flag != 0)
{
//! checking the calibration flag for calibrating the date & time
if (calibration_flag == 1)
{ calibrate_time_date(); }
//! checking the calibration flag for calibrating the voltage
else if (calibration_flag == 2)
{ calibrate_voltage(); }
//! checking the calibration flag for calculating the offset value
else if (calibration_flag == 3)
{ calibrate_no_load(); }
//! checking the calibration flag for calculating the phase angle variation
else if (calibration_flag == 4)
{ calibrate_phase(); }
//! checking the calibration flag for calculating watt varition
else if (calibration_flag == 5)
{ calibrate_watt(); }
else if (calibration_flag == 6)
//! checking the calibration flag for calibrating the current
{ calibrate_current(); }
}
rtc_flag = 0;
__watchdog_reset();
}
//! checking the power_status, if power off is detected
else if(power_status_flag == POWER_OFF_DETECTED)
{
//! switch on the battery
PORTD.PIN4CTRL = PORT_OPC_WIREDAND_gc;
//PORTD.OUTCLR = PIN4_bm;
//! change the sleep mode to power save mode
SLEEP.CTRL = (SLEEP.CTRL & ~SLEEP_SMODE_gm)| SLEEP_SMODE_PSAVE_gc;
//! switch off the LCD
lcd_command(LCD_COMMAND,0x02);
//! change reset the gpio pin
facilitatePowersaving();
//! disable the ADC
ADC_Disable(&ADCA);
//! disable the timer
TCC1.CTRLA = ( TCC1.CTRLA & ~TC1_CLKSEL_gm ) | TC_CLKSEL_OFF_gc;
//! clear all the varilable used in for energy calculation
meter_flush();
//! reduce the cpu clock frequency to minimize power consumption
CLKSYS_Prescalers_Config( CLK_PSADIV_64_gc, CLK_PSBCDIV_1_1_gc );
//! update power status flag
power_status_flag = POWER_OFF;
__watchdog_reset();
}
//! goes to sleep
SLEEP.CTRL |= SLEEP_SEN_bm;
asm("sleep");
}
}
void main (void)
{
//unsigned char i;
unsigned char my_order;
//static char count_burst;
init_ioport();
spi_init();
rf_init();
//msp_init();
//timer0_init();
adc_init();
timer0_init();
timer0_start();
//regCallbackFunc();
//led_turnOn();
BUF_RDY = 0;
rf_config(RX);
rf_rxOn();
/* initial blinking */
//for(my_order=0; my_order<=MyID; my_order++)
for(my_order=0; my_order<=1; my_order++)
{
led_turnOn();
delayms(10);
led_turnOff();
delayms(1000);
}
/**/
for(;;)
{
rf_rxPacket(Buffer);
if (Buffer[0] != MyID && Buffer[1] != MyID && Buffer[2] != MyID)
{
rf_rxOn();
continue;
}
if(Buffer[0] == MyID)
my_order = 0;
else if(Buffer[1] == MyID)
my_order = 1;
else
my_order = 2;
Buffer[0] = Buffer[1] = Buffer[2] = -1; // xmitdata() uses 'Buffer' to send data --> reset!
//PWR_UP = 0;
MSP_CS = 1;
switch(my_order)
{
case 0:
//_delay2us(150);
_delay2us(170); //350 us
break;
case 1:
delayms(1);
_delay2us(245); //500 us
//_delay2us(185);
_delay2us(195); //400
break;
case 2:
delayms(2);
_delay2us(245); // 5oo us
//_delay2us(185);
_delay2us(205); // 420 us
break;
}
timer0_stop();
MSP_CS = 0;
xmitdata();
MSP_CS = 1;
led_toggle();
rf_config(RX);
rf_rxOn();
timer0_start();
MSP_CS = 0;
} // for
} // main
