void ArduboyPlaytune::initChannel(byte pin) { byte timer_num; // we are all out of timers if (_tune_num_chans == AVAILABLE_TIMERS) return; timer_num = pgm_read_byte(tune_pin_to_timer_PGM + _tune_num_chans); _tune_pins[_tune_num_chans] = pin; _tune_num_chans++; pinMode(pin, OUTPUT); switch (timer_num) { case 1: // 16 bit timer power_timer1_enable(); TCCR1A = 0; TCCR1B = 0; bitWrite(TCCR1B, WGM12, 1); bitWrite(TCCR1B, CS10, 1); _tunes_timer1_pin_port = portOutputRegister(digitalPinToPort(pin)); _tunes_timer1_pin_mask = digitalPinToBitMask(pin); break; case 3: // 16 bit timer power_timer3_enable(); TCCR3A = 0; TCCR3B = 0; bitWrite(TCCR3B, WGM32, 1); bitWrite(TCCR3B, CS30, 1); _tunes_timer3_pin_port = portOutputRegister(digitalPinToPort(pin)); _tunes_timer3_pin_mask = digitalPinToBitMask(pin); playNote(0, 60); /* start and stop channel 0 (timer 3) on middle C so wait/delay works */ stopNote(0); break; } }
//--------------------------------------------------------------------------- void SndInit(void) { _Memset(&Snd, 0x00, sizeof(ST_SND)); pinMode(SND_PIN1, OUTPUT); Snd.ch[0].pPinPort = portOutputRegister(digitalPinToPort(SND_PIN1)); Snd.ch[0].pinMask = digitalPinToBitMask(SND_PIN1); #if defined(ARDUBOY_10) pinMode(SND_PIN2, OUTPUT); Snd.ch[1].pPinPort = portOutputRegister(digitalPinToPort(SND_PIN2)); Snd.ch[1].pinMask = digitalPinToBitMask(SND_PIN2); #endif TCCR3A = 0; TCCR3B = 0; TCCR1A = 0; TCCR1B = 0; bitWrite(TCCR3B, WGM32, 1); bitWrite(TCCR3B, CS30, 1); bitWrite(TCCR1B, WGM12, 1); bitWrite(TCCR1B, CS10, 1); power_timer3_enable(); power_timer1_enable(); }
/********************************************************************************************************* ** Function name: wakeUp ** Descriptions: wakeUp *********************************************************************************************************/ void xadow::wakeUp() { #if defined(__AVR_ATmega32U4__) power_adc_enable(); power_usart0_enable(); power_spi_enable(); power_twi_enable(); power_timer1_enable(); power_timer2_enable(); power_timer3_enable(); power_usart1_enable(); power_usb_enable(); #endif }
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 MyArduboyAudio::on() { power_timer3_enable(); audio_enabled = true; }
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(); }
// 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; } }