void LowPowerClass::idle(period_t period, adc_t adc, timer1_t timer1, timer0_t timer0) { if (adc == ADC_OFF) { ADCSRA &= ~(1 << ADEN); power_adc_disable(); } if (timer1 == TIMER1_OFF) power_timer1_disable(); if (timer0 == TIMER0_OFF) power_timer0_disable(); if (period != SLEEP_FOREVER) { wdt_enable(period); WDTCR |= (1 << WDIE); } lowPowerBodOn(SLEEP_MODE_IDLE); if (adc == ADC_OFF) { power_adc_enable(); ADCSRA |= (1 << ADEN); } if (timer1 == TIMER1_OFF) power_timer1_enable(); if (timer0 == TIMER0_OFF) power_timer0_enable(); }
static inline void sleepNow() { // All LEDs off for(int i = 0; i < LED_COUNT; i++) { *((unsigned char *)pgm_read_ptr(&(LED_PORT[i]))) &= ~_BV(pgm_read_byte(&(LED_PIN[i]))); } // We want to do this carefully. If someone pushes the button // while we're prepareing here, we do NOT want to 'eat' that // interrupt. Rather, we want to enable interrupts at the same // time we call sleep_cpu() (sei() is defferred for one instruction). // That way the button push will effectively cancel the sleep rather // than get 'eaten'. ATOMIC_BLOCK(ATOMIC_FORCEON) { power_timer0_disable(); PCMSK0 |= _BV(PCINT5); GIMSK |= _BV(PCIE0); sleep_enable(); } sleep_cpu(); // And now we wake up sleep_disable(); PCMSK0 &= ~_BV(PCINT5); GIMSK &= ~_BV(PCIE0); power_timer0_enable(); button_debounce_time = millis(); ignoring_button = 1; place_in_pattern = -1; milli_of_next_change = 0; }
void display_start_column_timer(void) { power_timer0_enable(); //nothing to set on TCCR0A TCCR0A = 0; TCCR0B = _BV(CS02) || _BV(CS00); TIMSK0 = _BV(OCIE0A); OCR0A = 200; }
void display_enable() { power_timer0_enable(); //nothing to set on TCCR0A TCCR0A = 0; TCCR0B = _BV(CS01) | _BV(CS00); TIMSK0 = _BV(TOIE0); segment = 0; }
void cube_start(uint8_t unused) { // Set sleep mode to lighter mode = old_mode; power_adc_enable(); power_spi_enable(); power_timer0_enable(); power_timer1_enable(); // Enable BLANK timer interrupt (starts SPI) TIMSK0 |= (1 << OCIE0A); }
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(); }
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(); }
/******************************************************************************* * Name: idle * Description: Putting microcontroller into idle state. Please make sure you * understand the implication and result of disabling module. * * Argument Description * ========= =========== * 1. period Duration of low power mode. Use SLEEP_FOREVER to use other wake * up resource: * (a) SLEEP_15MS - 15 ms sleep * (b) SLEEP_30MS - 30 ms sleep * (c) SLEEP_60MS - 60 ms sleep * (d) SLEEP_120MS - 120 ms sleep * (e) SLEEP_250MS - 250 ms sleep * (f) SLEEP_500MS - 500 ms sleep * (g) SLEEP_1S - 1 s sleep * (h) SLEEP_2S - 2 s sleep * (i) SLEEP_4S - 4 s sleep * (j) SLEEP_8S - 8 s sleep * (k) SLEEP_FOREVER - Sleep without waking up through WDT * * 2. adc ADC module disable control: * (a) ADC_OFF - Turn off ADC module * (b) ADC_ON - Leave ADC module in its default state * * 3. timer2 Timer 2 module disable control: * (a) TIMER2_OFF - Turn off Timer 2 module * (b) TIMER2_ON - Leave Timer 2 module in its default state * * 4. timer1 Timer 1 module disable control: * (a) TIMER1_OFF - Turn off Timer 1 module * (b) TIMER1_ON - Leave Timer 1 module in its default state * * 5. timer0 Timer 0 module disable control: * (a) TIMER0_OFF - Turn off Timer 0 module * (b) TIMER0_ON - Leave Timer 0 module in its default state * * 6. spi SPI module disable control: * (a) ADC_OFF - Turn off ADC module * (b) ADC_ON - Leave ADC module in its default state * * 7. usart0 USART0 module disable control: * (a) USART0_OFF - Turn off USART0 module * (b) USART0_ON - Leave USART0 module in its default state * * 8. twi TWI module disable control: * (a) TWI_OFF - Turn off TWI module * (b) TWI_ON - Leave TWI module in its default state * *******************************************************************************/ void LowPowerClass::idle(period_t period, adc_t adc, timer2_t timer2, timer1_t timer1, timer0_t timer0, spi_t spi, 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 (timer1 == TIMER1_OFF) power_timer1_disable(); if (timer0 == TIMER0_OFF) power_timer0_disable(); if (spi == SPI_OFF) power_spi_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 (timer1 == TIMER1_OFF) power_timer1_enable(); if (timer0 == TIMER0_OFF) power_timer0_enable(); if (spi == SPI_OFF) power_spi_enable(); if (usart0 == USART0_OFF) power_usart0_enable(); if (twi == TWI_OFF) power_twi_enable(); }
// Shutdown void bg_pwr_down() { // execute sleep routine if (bg_pwr_exec_sleep_routine_flag) { if (bg_pwr_on_sleep != NULL) bg_pwr_on_sleep(); // the flag is needed because we want to execute sleep // routine only when we go from pwr up to pwr down bg_pwr_exec_sleep_routine_flag = 0; } //Shut off ADC, TWI, SPI, Timer0, Timer1, Timer2 ADCSRA &= ~(1<<ADEN); //Disable ADC ACSR |= (1<<ACD); //Disable the analog comparator DIDR0 = 0xFF; //Disable digital input buffers on all ADC0-ADC5 pins DIDR1 = (1<<AIN1D)|(1<<AIN0D); //Disable digital input buffer on AIN1/0 power_twi_disable(); power_spi_disable(); power_usart0_disable(); power_timer0_disable(); power_timer1_disable(); power_timer2_disable(); #if defined(__AVR_ATmega1284P__) power_timer3_disable(); #endif //Power down various bits of hardware to lower power usage set_sleep_mode(SLEEP_MODE_PWR_DOWN); sleep_mode(); /*********/ /* SLEEP */ /*********/ // The processor wakes up back here after interrupt //Turn on ADC, TWI, SPI, Timer0, Timer1, Timer2 ADCSRA |= (1<<ADEN); // Enable ADC ACSR &= ~(1<<ACD); // Enable the analog comparator // this should be set to reflect real usage of analog pins DIDR0 = 0x00; // Enable digital input buffers on all ADC0-ADC5 pins DIDR1 &= ~(1<<AIN1D)|(1<<AIN0D); // Enable digital input buffer on AIN1/0 power_twi_enable(); power_spi_enable(); power_usart0_enable(); power_timer0_enable(); power_timer1_enable(); power_timer2_enable(); #if defined(__AVR_ATmega1284P__) power_timer3_enable(); #endif // check button press time and handle state unsigned long start = millis(); while ( (ellapsed_millis(start) < BG_PWR_BUTTON_TIME) && (digitalRead(bg_pwr_switch_pin) == HIGH) ); // if the button is pressed continuously for 2 seconds, swap to on state if (ellapsed_millis(start) >= BG_PWR_BUTTON_TIME) bg_pwr_state = BG_STATE_PWR_UP; // lower the button flag bg_pwr_button_pressed_flag = 0; // execute wake up routine only if we really woke up if (bg_pwr_state == BG_STATE_PWR_UP || sd_reader_interrupted) { // execute wake up routine if any is defined if (bg_pwr_on_wakeup != NULL) bg_pwr_on_wakeup(); // next time we sleep execute sleep routine bg_pwr_exec_sleep_routine_flag = 1; } }