C++ (Cpp) set_as_output Examples

Example #1

File: timers.c Project: edwardoid/avr_libs

int main()
{
	usart_init(9600UL);
	usart_write_string_line("Timers example..");

	set_as_output(DDRB, PB0);

	test_timer0();
	forever {

	}
}

Example #2

File: spindle_control.c Project: Andypos/grbl_stm32

void spindle_init()
{    
//  #ifdef VARIABLE_SPINDLE
//
//    // Configure variable spindle PWM and enable pin, if requried. On the Uno, PWM and enable are
//    // combined unless configured otherwise.
//    SPINDLE_PWM_DDR |= (1<<SPINDLE_PWM_BIT); // Configure as PWM output pin.
//    TCCRA_REGISTER = TCCRA_INIT_MASK; // Configure PWM output compare timer
//    TCCRB_REGISTER = TCCRB_INIT_MASK;
//    #ifdef CPU_MAP_ATMEGA2560
//      OCRA_REGISTER = OCRA_TOP_VALUE; // Set the top value for 16-bit fast PWM mode
//      SPINDLE_ENABLE_DDR |= (1<<SPINDLE_ENABLE_BIT); // Configure as output pin.
//      SPINDLE_DIRECTION_DDR |= (1<<SPINDLE_DIRECTION_BIT); // Configure as output pin.
//    #else // Otherwise 328p
//      #ifdef USE_SPINDLE_DIR_AS_ENABLE_PIN
//        SPINDLE_ENABLE_DDR |= (1<<SPINDLE_ENABLE_BIT); // Configure as output pin.
//      #else
//        SPINDLE_DIRECTION_DDR |= (1<<SPINDLE_DIRECTION_BIT); // Configure as output pin.
//      #endif
//    #endif
//
//  #else
//
//    // Configure no variable spindle and only enable pin.
//    SPINDLE_ENABLE_DDR |= (1<<SPINDLE_ENABLE_BIT); // Configure as output pin.
//    SPINDLE_DIRECTION_DDR |= (1<<SPINDLE_DIRECTION_BIT); // Configure as output pin.
//
//  #endif


#ifdef VARIABLE_SPINDLE

  //setup to control RC ESC, 20ms period, 0.5-1.5ms pulsewidth

  RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);

#ifdef STANDARD_GRBL
  GPIO_InitTypeDef GPIO_InitStructure;
  GPIO_StructInit(&GPIO_InitStructure); //Reset init structure
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

  GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_TIM3);

  TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
  TIM_TimeBaseStructInit( &TIM_TimeBaseStructure ); // Reset init structure

  TIM_TimeBaseStructure.TIM_Prescaler = 100 - 1;  // 100 MHz / 100 = 1 MHz
  TIM_TimeBaseStructure.TIM_Period = 20000 - 1;  // 1 MHz / 20000 = 50 Hz (20 ms)
  TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);


  TIM_OCInitTypeDef TIM_OCInitStructure;
  TIM_OCStructInit( &TIM_OCInitStructure );


  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  TIM_OCInitStructure.TIM_Pulse = 1000;
  TIM_OC1Init(TIM3, &TIM_OCInitStructure);
#else
  GPIO_InitTypeDef GPIO_InitStructure;
  GPIO_StructInit(&GPIO_InitStructure); //Reset init structure
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(GPIOB, &GPIO_InitStructure);

  GPIO_PinAFConfig(GPIOB, GPIO_PinSource0, GPIO_AF_TIM3);

  TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
  TIM_TimeBaseStructInit( &TIM_TimeBaseStructure ); // Reset init structure

  TIM_TimeBaseStructure.TIM_Prescaler = 100 - 1;  // 100 MHz / 100 = 1 MHz
  TIM_TimeBaseStructure.TIM_Period = 20000 - 1;  // 1 MHz / 20000 = 50 Hz (20 ms)
  TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1;
  TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
  TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);


  TIM_OCInitTypeDef TIM_OCInitStructure;
  TIM_OCStructInit( &TIM_OCInitStructure );


  TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
  TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
  TIM_OCInitStructure.TIM_Pulse = 1000;
  TIM_OC3Init(TIM3, &TIM_OCInitStructure);
#endif

  TIM_Cmd( TIM3, ENABLE );
#else
  set_as_output(SPINDLE_DIR);
  set_as_output(SPINDLE_EN);
#endif

  spindle_stop();
}