C++ (Cpp) timer_get_reload Exemples

Exemple #1

Fichier : Dynamixel.cpp Projet : CM-9xx/cm9xx

void Dynamixel::begin(int baud) {
	//TxDString("[DXL]start begin\r\n");

	afio_remap(AFIO_REMAP_USART1);//USART1 -> DXL
	afio_cfg_debug_ports(AFIO_DEBUG_FULL_SWJ_NO_NJRST);
#ifdef BOARD_CM900  //Engineering version case

	 gpio_set_mode(PORT_ENABLE_TXD, PIN_ENABLE_TXD, GPIO_OUTPUT_PP);
	 gpio_set_mode(PORT_ENABLE_RXD, PIN_ENABLE_RXD, GPIO_OUTPUT_PP);
	 gpio_write_bit(PORT_ENABLE_TXD, PIN_ENABLE_TXD, 0 );// TX Disable
	 gpio_write_bit(PORT_ENABLE_RXD, PIN_ENABLE_RXD, 1 );// RX Enable
#else
	 gpio_set_mode(PORT_TXRX_DIRECTION, PIN_TXRX_DIRECTION, GPIO_OUTPUT_PP);
	 gpio_write_bit(PORT_TXRX_DIRECTION, PIN_TXRX_DIRECTION, 0 );// RX Enable
#endif
	 timer_set_mode(TIMER2, TIMER_CH1, TIMER_OUTPUT_COMPARE);

	 timer_pause(TIMER2);

	 uint16 ovf = timer_get_reload(TIMER2);
	 timer_set_count(TIMER2, min(0, ovf));

	 timer_set_reload(TIMER2, 30000);//set overflow

	 ovf = timer_get_reload(TIMER2);
	 timer_set_compare(TIMER2, TIMER_CH1, min(1000, ovf));

	 timer_attach_interrupt(TIMER2, TIMER_CH1, TIM2_IRQHandler);

	 timer_generate_update(TIMER2);
	 timer_resume(TIMER2);

	 dxl_initialize(0, baud);
}

Exemple #2

Fichier : pwm.cpp Projet : adafruit/Adafruit_WICED_Arduino

void analogWrite(uint8 pin, int val)
{
  if (pin >= BOARD_NR_GPIO_PINS) return;
  timer_dev *dev = PIN_MAP[pin].timer_device;
  if (dev == NULL || dev->type == TIMER_BASIC) return;

  // configure as PWM if not
  if ( TIMER_OC_MODE_PWM_1 != timer_oc_get_mode(dev, PIN_MAP[pin].timer_channel) )
  {
    pinMode(pin, PWM);
  }

  if (val > 255) val = 255;

  // map compare according to the current reload
  uint16 compare = map(val, 0, 255, 0, timer_get_reload(dev));

  timer_set_compare(dev, PIN_MAP[pin].timer_channel, compare);
}

Exemple #3

Fichier : pwm.cpp Projet : adafruit/Adafruit_WICED_Arduino

// Adafruit Modification to change PWM Period/Frequency
void pwmPeriod(uint8 pin, uint32 us)
{
  if (pin >= BOARD_NR_GPIO_PINS) return;
  timer_dev *dev = PIN_MAP[pin].timer_device;
  if (dev == NULL || dev->type == TIMER_BASIC) return;

  // Get timer's max speed in hz
  uint32 max_speed = rcc_dev_timer_clk_speed(dev->clk_id);

  // period in cpu cycles
  uint32 cycle = us * (max_speed / 1000000UL);

  uint16 prescaler = (uint16) (cycle / TIMER_MAX_RELOAD);
  uint16 reload    = (uint16) round(cycle / (prescaler+1));

  // Re-map compare to preserve duty cycle
  uint16 compare   =  timer_get_compare(dev, PIN_MAP[pin].timer_channel);

  compare = map(compare, 0, timer_get_reload(dev), 0, reload);

  timer_set_prescaler(dev, prescaler);
  timer_set_reload(dev, reload);
  timer_set_compare(dev, PIN_MAP[pin].timer_channel, compare);
}

Exemple #4

Fichier : HardwareTimer.cpp Projet : drpjk/Arduino-STM32F1-corelibs

uint16 HardwareTimer::getOverflow() {
    return timer_get_reload(this->dev);
}

Exemple #5

Fichier : speaker.c Projet : heorohuy/laser_tag_reloaded

uint16 speaker_getOverflow(void) {
    return timer_get_reload(SPEAKER_TIMER);
}