/*function to turn off all periferlas of the radian as well as to send uC into low power mode
in the event of a low battery condition
*/
void Radian_power_saver::EnterDeepSleepMode(){
POWER_OFF;
if(DEBUG) Serial.println("Entering Deep Sleep Mode");
//Disable ADC and internal Vref
digitalWrite(BOOST_EN, LOW);
POWER_OFF;
ADMUX &= ~( (1<<REFS1) | (1<<REFS0) );
ADCSRA &= ~( (1<<ADEN) );
//Disable AnalogComparator
ACSR |= (1<<ACD);
DIDR0 = 0xFF;
// DIDR1 = 0xFF;
DIDR2 = 0xFF;
//disable watchdog timer
cli();
wdt_reset();
// Clear WDRF in MCUSR
MCUSR &= ~(1<<WDRF);
MCUCR |= (1<<JTD);//disable on chip debug system by writing 1 to JTD bit in MCUCR
// Write logical one to WDCE and WDE
// Keep old prescaler setting to prevent unintentional time-out
WDTCSR |= (1<<WDCE) | (1<<WDE);
// Turn off WDT
WDTCSR = 0x00;
//disable port pins by writing to digital input disable register DIDR1
//disable USB
PRR0 = 0xFF; //turn off all periferals in the power reduction registers
PRR1 = 0xFF;
wdt_disable();
//bod_disable();
power_usart0_disable();
power_usart1_disable();
power_spi_disable();
power_adc_disable();
power_all_disable();
POWER_OFF;
cli(); //disable all interrupts
SMCR = B00000101; //enable sleep mode (bit0 set) and set to POWER DOWN mode (lowest consumption)
sleep_mode(); //go into sleep
}
/*********************************************************************************************************
** Function name: pwrDown
** Descriptions: pwrDown
*********************************************************************************************************/
void xadow::pwrDown(unsigned long tSleep)
{
#if defined(__AVR_ATmega32U4__)
power_adc_disable();
power_usart0_disable();
power_spi_disable();
power_twi_disable();
power_timer1_disable();
power_timer2_disable();
power_timer3_disable();
power_usart1_disable();
power_usb_disable();
#endif
sleep.pwrDownMode(); //set sleep mode
sleep.sleepDelay(tSleep); //sleep for: sleepTime
}
//---------------------------------------------------------------------------
void SysInit(void)
{
power_timer2_disable();
power_adc_disable();
power_twi_disable();
power_usart0_disable();
power_usart1_disable();
OledInit();
FrameInit();
SndInit();
EepInit();
KeyInit();
MathInit();
RndInit();
DebugInit();
}
void Low_Power::idle(Period_t period, ADC_t adc,
Timer4_t timer4, Timer3_t timer3,
Timer1_t timer1, Timer0_t timer0,
SPI_t spi, USART1_t usart1, TWI_t twi, usb_t usb)
{
if (adc == ADC_OFF)
{
ADCSRA &= ~(1 << ADEN);
power_adc_disable();
}
if (timer4 == TIMER4_OFF) power_timer4_disable();
if (timer3 == TIMER3_OFF) power_timer3_disable();
if (timer1 == TIMER1_OFF) power_timer1_disable();
if (timer0 == TIMER0_OFF) power_timer0_disable();
if (spi == SPI_OFF) power_spi_disable();
if (usart1 == USART1_OFF) power_usart1_disable();
if (twi == TWI_OFF) power_twi_disable();
if (usb == USB_OFF) power_usb_disable();
if (period != SLEEP_FOREVER)
{
wdt_enable(period);
WDTCSR |= (1 << WDIE);
}
lowPowerBodOn(SLEEP_MODE_IDLE);
if (adc == ADC_OFF)
{
power_adc_enable();
ADCSRA |= (1 << ADEN);
}
if (timer4 == TIMER4_OFF) power_timer4_enable();
if (timer3 == TIMER3_OFF) power_timer3_enable();
if (timer1 == TIMER1_OFF) power_timer1_enable();
if (timer0 == TIMER0_OFF) power_timer0_enable();
if (spi == SPI_OFF) power_spi_enable();
if (usart1 == USART1_OFF) power_usart1_enable();
if (twi == TWI_OFF) power_twi_enable();
if (usb == USB_OFF) power_usb_enable();
}
int main(void)
{
unsigned char tmp;
wdt_disable(); /* Disable watchdog if enabled by bootloader/fuses */
power_usb_disable() ;
power_usart1_disable();
power_spi_disable();
Buttons_Init();
LEDs_Init();
clock_prescale_set(clock_div_1); // run at x-tal frequency 16Mhz
eeprom_read_block( &EE_data,0,sizeof(EE_data));
if (EE_data.bright_level == 0xff && EE_data.dim_level == 0xff)
{
EE_data.bright_level = LED_BRIGHT;
EE_data.dim_level = LED_DIMM;
eeprom_write_block(&EE_data,0,sizeof(EE_data));
eeprom_busy_wait();
}
OCR0A = EE_data.bright_level;
OCR0B = EE_data.dim_level;
// Timer 0 setup for simple count mode, used as timebase LED PWM
TCCR0A = 0; // simple count more
TCCR0B = 4; // system Clock 16Mhz/256 = 16us per counter tick
//TCCR0B = 3; // system Clock 16Mhz/64 = 4us per counter tick
//TCCR0B = 5; // system Clock 16Mhz/1024 = 64us per counter tick
//TCCR0B = 2; // system Clock 1Mhz/8 = 8us per counter tick
TIMSK0 = 0x7; // Enable OverFLow , OCR0A and OCR0B interrupt enables
MCUSR =0; //MCU status register clear
// Timer 1 setup for fast PWM mode for servo pulse generation 1 to 2ms
TIMSK1 = 0x2; // Enable OCR1A interrupt
TCCR1A = 0x00; // No pin toggles on compare -- CTC (normal) mode
TCCR1B = 0x0D; // CTC mode, F_CPU 16mhz/1024 clock ( 64us)
//TCCR1B = 0x0B; // CTC mode, F_CPU 1Mhz/64 clock ( 64us)
OCR1A = 15625-1; // counting 15625 counts of 64 us == 1 second
sei();
while(1) // for ever
{
if (IsButtonPressed(BUTTON1) )
{
// de-bounce -- 10 consecutive reads of switch open
for (tmp =0; tmp<=10; tmp++)
{
_delay_ms(2);
if (IsButtonPressed(BUTTON1))
tmp = 0;
}
if ( mode < 3)
mode++;
else
{
eeprom_write_block(&EE_data,0,sizeof(EE_data));
eeprom_busy_wait();
mode = 0; // enter running mode
}
}
if (IsButtonPressed(BUTTON2) ) // increases Minutes and decrease brightness
{
// de-bounce -- 10 consecutive reads of switch open
for (tmp =0; tmp<=10; tmp++)
{
_delay_ms(2);
if (IsButtonPressed(BUTTON2))
tmp = 0;
}
switch (mode)
{
case 1:
Minutes++;
ripple();
break;
case 2:
if (OCR0B < 0xff ) // dim level
{
OCR0B++;
EE_data.dim_level = OCR0B;
}
break;
case 3: // bright level
if (OCR0A < OCR0B-10 ) // make sure that bright is at least 10 counts brighter than dim
{
OCR0A +=10; // step in increments of 10
EE_data.bright_level =OCR0A;
}
break;
}
}
if (IsButtonPressed(BUTTON3) ) // Increases Hours and increase brightness
{
// de-bounce -- 10 consecutive reads of switch open
for (tmp =0; tmp<=10; tmp++)
{
_delay_ms(2);
if (IsButtonPressed(BUTTON3))
tmp = 0;
}
switch (mode)
{
case 1:
Hours++;
ripple();
break;
case 2:
if (OCR0B > OCR0A+10) // dim level
{
OCR0B--;
EE_data.dim_level = OCR0B;
}
break;
case 3: // bright level
if (OCR0A > 20)
{
OCR0A -=10; //step in increments of 10
EE_data.bright_level =OCR0A;
}
break;
}
}
} // end of for-ever
}
void Low_Power::idle(Period_t period, ADC_t adc, Timer5_t timer5,
Timer4_t timer4, Timer3_t timer3, Timer2_t timer2,
Timer1_t timer1, Timer0_t timer0, SPI_t spi,
USART3_t usart3, USART2_t usart2, USART1_t usart1,
USART0_t usart0, TWI_t twi)
{
// Temporary clock source variable
unsigned char clockSource = 0;
if (timer2 == TIMER2_OFF)
{
if (TCCR2B & CS22) clockSource |= (1 << CS22);
if (TCCR2B & CS21) clockSource |= (1 << CS21);
if (TCCR2B & CS20) clockSource |= (1 << CS20);
// Remove the clock source to shutdown Timer2
TCCR2B &= ~(1 << CS22);
TCCR2B &= ~(1 << CS21);
TCCR2B &= ~(1 << CS20);
power_timer2_disable();
}
if (adc == ADC_OFF)
{
ADCSRA &= ~(1 << ADEN);
power_adc_disable();
}
if (timer5 == TIMER5_OFF) power_timer5_disable();
if (timer4 == TIMER4_OFF) power_timer4_disable();
if (timer3 == TIMER3_OFF) power_timer3_disable();
if (timer1 == TIMER1_OFF) power_timer1_disable();
if (timer0 == TIMER0_OFF) power_timer0_disable();
if (spi == SPI_OFF) power_spi_disable();
if (usart3 == USART3_OFF) power_usart3_disable();
if (usart2 == USART2_OFF) power_usart2_disable();
if (usart1 == USART1_OFF) power_usart1_disable();
if (usart0 == USART0_OFF) power_usart0_disable();
if (twi == TWI_OFF) power_twi_disable();
if (period != SLEEP_FOREVER)
{
wdt_enable(period);
WDTCSR |= (1 << WDIE);
}
lowPowerBodOn(SLEEP_MODE_IDLE);
if (adc == ADC_OFF)
{
power_adc_enable();
ADCSRA |= (1 << ADEN);
}
if (timer2 == TIMER2_OFF)
{
if (clockSource & CS22) TCCR2B |= (1 << CS22);
if (clockSource & CS21) TCCR2B |= (1 << CS21);
if (clockSource & CS20) TCCR2B |= (1 << CS20);
power_timer2_enable();
}
if (timer5 == TIMER5_OFF) power_timer5_enable();
if (timer4 == TIMER4_OFF) power_timer4_enable();
if (timer3 == TIMER3_OFF) power_timer3_enable();
if (timer1 == TIMER1_OFF) power_timer1_enable();
if (timer0 == TIMER0_OFF) power_timer0_enable();
if (spi == SPI_OFF) power_spi_enable();
if (usart3 == USART3_OFF) power_usart3_enable();
if (usart2 == USART2_OFF) power_usart2_enable();
if (usart1 == USART1_OFF) power_usart1_enable();
if (usart0 == USART0_OFF) power_usart0_enable();
if (twi == TWI_OFF) power_twi_enable();
}