C++ pinMode函数代码示例

void Smarty::setButtonPin(uint8_t pin) {
	m_buttonPin = pin;
	pinMode(pin, INPUT_PULLUP);
}

void *toneHandler(void *arg)
{
  tone_thread_param *param;
  param = (tone_thread_param*)arg;

  int tPin = param->tonePin;
  pinMode(tPin, OUTPUT_FAST);
  long delayAmount;
  long loopTime;
  unsigned long time1;
  unsigned long time2;
  int currentThreadControlID = param->threadID; //when threadControl[tPin] is modified by another thread it will no longer be equal to currentThreadControlID which exits the loop below allowing it to die

  if((param->frequency) > 0)
  {
    delayAmount = (long)(1000000/(param->frequency))/2 - 1;
    loopTime = (long)((param->duration*1000)/(delayAmount*2));

    if((param->duration) > 0)
    {
      //implementing this way because delayMicroseconds is blocking which makes the generated tone not accurate enough
      for (int x=0;x<loopTime;x++)
      {
        if(currentThreadControlID != threadControl[tPin])
        {
          break;
        }
        time1 = micros();
        time2 = time1;
        fastDigitalWrite(tPin,HIGH);
        while(((long)(time2 - time1)) <= delayAmount)
        {
          time2 = micros();
        }
        time1 = micros();
        fastDigitalWrite(tPin,LOW);
        while(((long)(time2 - time1)) <= delayAmount)
        {
          time2 = micros();
        }
      }
    }
    else
    {
      //infinite loop
      while(true)
      {
        if(currentThreadControlID != threadControl[tPin])
        {
          break;
        }
        time1 = micros();
        time2 = time1;
        fastDigitalWrite(tPin,HIGH);
        while(((long)(time2 - time1)) <= delayAmount)
        {
          time2 = micros();
        }
        time1 = micros();
        fastDigitalWrite(tPin,LOW);
        while(((long)(time2 - time1)) <= delayAmount)
        {
          time2 = micros();
        }
      }
    }
  }
  else
  {
    time1 = micros();
    time2 = time1;
    delayAmount = (param->duration)*1000;
    while(((long)(time2 - time1)) <= delayAmount)
    {
      time2 = micros();
      if(currentThreadControlID != threadControl[tPin])
      {
        break;
      }
    }
  }
}

void decodeurDCF1_c::begin(uint8_t pin)
{
  _pin = pin & 127;
  pinMode(_pin, INPUT);
}

void A110x2500Gdo0Init()
{
    pinMode (RF_GDO0, INPUT);
}

/* Constructor. */
Thermistor::Thermistor(int pin, TemperatureUnits units)
{
  m_Pin = pin;
  pinMode(m_Pin, INPUT);
  m_Units = units;
}

//*****Sender Class Begins*****
Sender::Sender (short pinIn, Protocol * protIn){
	pin = pinIn;
	prot = protIn;
	pinMode(pin,OUTPUT);
}

boolean Plugin_006(byte function, struct NodoEventStruct *event, char *string)
  {
  boolean success=false;
  
  switch(function)
    {
    #ifdef PLUGIN_006_CORE
  
    
    case PLUGIN_COMMAND:
      {
      DHT_Pin=PIN_WIRED_OUT_1+event->Par1-1;
      byte dht_dat[5];
      byte dht_in;
      byte i;
      byte Retry=0;

      UserVariablePayload(event->Par2,  0x0011); // Temperature
      UserVariablePayload(event->Par2+1,0x00d1); // Relative humidity %

      do
        {  
        pinMode(DHT_Pin,OUTPUT);                                                // DHT start condition, pull-down i/o pin for 18ms
        digitalWrite(DHT_Pin,LOW);                                              // Pull low
        delay(18);
        digitalWrite(DHT_Pin,HIGH);                                             // Pull high
        delayMicroseconds(40);
        pinMode(DHT_Pin,INPUT);                                                 // change pin to input
        delayMicroseconds(40);
        dht_in = digitalRead(DHT_Pin);

        if(!dht_in)
          {
          delayMicroseconds(80);
          dht_in = digitalRead(DHT_Pin);

          if(dht_in)
            {
            delayMicroseconds(40);                                              // now ready for data reception
            for (i=0; i<5; i++)
              dht_dat[i] = read_dht_dat();
              
            byte dht_check_sum = dht_dat[0]+dht_dat[1]+dht_dat[2]+dht_dat[3];   // check checksum. Checksum calculation is a Rollover Checksum by design.

            if(dht_dat[4]== dht_check_sum)
              {

              #if PLUGIN_006_CORE==11                                           // Code door de DHT-11 variant
              TempFloat=float(dht_dat[2]);                                      // Temperatuur
              UserVariableSet(event->Par2  ,TempFloat,DHT_EVENT);
              TempFloat=float(dht_dat[0]);                                      // Vochtigheid
              UserVariableSet(event->Par2+1,TempFloat,DHT_EVENT);
              #endif
              
              
              #if PLUGIN_006_CORE==22 || PLUGIN_006_CORE==33                    // Code door de DHT-22 of DHT-33 variant
              if (dht_dat[2] & 0x80)                                            // negative temperature
                {
                TempFloat=-0.1 * word(dht_dat[2] & 0x7F, dht_dat[3]);
                UserVariableSet(event->Par2,TempFloat,DHT_EVENT);
                }
              else
                {
                TempFloat=0.1 * word(dht_dat[2], dht_dat[3]);
                UserVariableSet(event->Par2,TempFloat,DHT_EVENT);
                }
              TempFloat=word(dht_dat[0], dht_dat[1]) * 0.1;                     // vochtigheid
              UserVariableSet(event->Par2+1,TempFloat,DHT_EVENT);
              #endif

              success=true;
              }
            }
          }
        if(!success)
          delay(1000);

        }while(!success && ++Retry<3);        
      break;
      }
    #endif // CORE
    
    #if NODO_MEGA
    case PLUGIN_MMI_IN:
      {
      char *TempStr=(char*)malloc(INPUT_COMMAND_SIZE);
  
      if(GetArgv(string,TempStr,1))
        {
        if(strcasecmp(TempStr,PLUGIN_NAME)==0)
          {
          if(event->Par1>0 && event->Par1<HARDWARE_WIRED_OUT_PORTS && event->Par2>0 && event->Par2<=USER_VARIABLES_MAX_NR-1)
            {
            event->Type = NODO_TYPE_PLUGIN_COMMAND;
            event->Command = PLUGIN_ID;                                         // Plugin nummer  
            success=true;
            }
          }
        }
      free(TempStr);
//.........这里部分代码省略.........

/*****************************************************************************************************************************
*
*  Send command to Servo to make turn it an turn back
*
*   Returns: 
*     - RESULT_IS_OK
*
*****************************************************************************************************************************/
int8_t servoTurn(const uint8_t _servoPin, const uint16_t _targetPulseWidth, const uint32_t _turnTime, const uint32_t _holdTime = 0, const uint16_t _returnPulseWidth = 0)
{
  uint32_t startHolding, idleTime, turnTime;
  uint8_t servoPinPort, servoPinBit;
  volatile uint8_t *servoOutRegister;
  int8_t rc = RESULT_IS_FAIL;

  servoPinBit  = digitalPinToBitMask(_servoPin);
  servoPinPort = digitalPinToPort(_servoPin);

  if (NOT_A_PIN == servoPinPort) {
    goto finish;
  }
  servoOutRegister = portOutputRegister(servoPinPort);

  pinMode(_servoPin, OUTPUT);

  stopTimerOne(); 

  if (_targetPulseWidth) {
    // if target angle (thru _targetPulseWidth) is specified - servo must get pulses every PULSE_INTERVAL (usually 20) ms 
    //     for _turnTime and _holdTime to stay on position
    //
    // Work cycle = pulse_width_in_uS + (20 ms - pulse_width_in_ms)
    idleTime = SERVO_PULSE_INTERVAL - (_targetPulseWidth / 1000UL);
    turnTime = _turnTime + _holdTime;

    startHolding = millis();
    // Send pulse to turn the servo and hold it on position
    do {
      // Turn to the "target" angle
      //  ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
      *servoOutRegister |= servoPinBit;
      delayMicroseconds(_targetPulseWidth);
      *servoOutRegister &= ~servoPinBit;
      //   }
      // delay() is used because delayMicroseconds take no more that 16000 uS
      delay(idleTime);
    } while (turnTime > millis() - startHolding);
  }

  if (_returnPulseWidth) {
    // if return angle (thru _returnPulseWidth) is specified - servo must get pulses every PULSE_INTERVAL (usually 20) ms 
    //     for _turnTime
    //
    idleTime = SERVO_PULSE_INTERVAL - (_returnPulseWidth / 1000UL);

    startHolding = millis();
    do {
      // Turn to the "return" angle
      //  ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
      *servoOutRegister |= servoPinBit;
      delayMicroseconds(_returnPulseWidth);
      *servoOutRegister &= ~servoPinBit;
      //   }
      // delay() is used because delayMicroseconds take no more that 16000 uS
      delay(idleTime);
    } while (_turnTime > millis() - startHolding);
  }

  startTimerOne(); 
  rc = RESULT_IS_OK;

finish:
  gatherSystemMetrics(); 
  return rc;
}

/**
 * Enable transmissions
 *
 * @param nTransmitterPin    Arduino Pin to which the sender is connected to
 */
void RCSwitch::enableTransmit(int nTransmitterPin) {
  this->nTransmitterPin = nTransmitterPin;
  pinMode(this->nTransmitterPin, OUTPUT);
}

void Platform::Init()
{ 
  byte i;

  compatibility = me;

  line->Init();
  messageIndent = 0;

  //network->Init();

  massStorage->Init();

  for(i=0; i < MAX_FILES; i++)
    files[i]->Init();

  fileStructureInitialised = true;

  mcp.begin();

  sysDir = SYS_DIR;
  configFile = CONFIG_FILE;

  ipAddress = IP_ADDRESS;
  netMask = NET_MASK;
  gateWay = GATE_WAY;

  // DRIVES

  stepPins = STEP_PINS;
  directionPins = DIRECTION_PINS;
  enablePins = ENABLE_PINS;
  disableDrives = DISABLE_DRIVES;
  lowStopPins = LOW_STOP_PINS;
  highStopPins = HIGH_STOP_PINS;
  maxFeedrates = MAX_FEEDRATES;
  accelerations = ACCELERATIONS;
  driveStepsPerUnit = DRIVE_STEPS_PER_UNIT;
  instantDvs = INSTANT_DVS;
  potWipes = POT_WIPES;
  senseResistor = SENSE_RESISTOR;
  maxStepperDigipotVoltage = MAX_STEPPER_DIGIPOT_VOLTAGE;
  zProbePin = -1; // Default is to use the switch
  zProbeCount = 0;
  zProbeSum = 0;
  zProbeValue = 0;
  zProbeADValue = Z_PROBE_AD_VALUE;
  zProbeStopHeight = Z_PROBE_STOP_HEIGHT;

  // AXES

  axisLengths = AXIS_LENGTHS;
  homeFeedrates = HOME_FEEDRATES;
  headOffsets = HEAD_OFFSETS;

  // HEATERS - Bed is assumed to be the first

  tempSensePins = TEMP_SENSE_PINS;
  heatOnPins = HEAT_ON_PINS;
  thermistorBetas = THERMISTOR_BETAS;
  thermistorSeriesRs = THERMISTOR_SERIES_RS;
  thermistorInfRs = THERMISTOR_25_RS;
  usePID = USE_PID;
  pidKis = PID_KIS;
  pidKds = PID_KDS;
  pidKps = PID_KPS;
  fullPidBand = FULL_PID_BAND;
  pidMin = PID_MIN;
  pidMax = PID_MAX;
  dMix = D_MIX;
  heatSampleTime = HEAT_SAMPLE_TIME;
  standbyTemperatures = STANDBY_TEMPERATURES;
  activeTemperatures = ACTIVE_TEMPERATURES;
  coolingFanPin = COOLING_FAN_PIN;
  turnHeatOn = HEAT_ON;

  webDir = WEB_DIR;
  gcodeDir = GCODE_DIR;
  tempDir = TEMP_DIR;

  for(i = 0; i < DRIVES; i++)
  {

	  if(stepPins[i] >= 0)
	  {
		  if(i > Z_AXIS)
			  pinModeNonDue(stepPins[i], OUTPUT);
		  else
			  pinMode(stepPins[i], OUTPUT);
	  }
	  if(directionPins[i] >= 0)
	  {
		  if(i > Z_AXIS)
			  pinModeNonDue(directionPins[i], OUTPUT);
		  else
			  pinMode(directionPins[i], OUTPUT);
	  }
	  if(enablePins[i] >= 0)
	  {
		  if(i >= Z_AXIS)
//.........这里部分代码省略.........

void AnalogSwitch::Init(){
	if (AnalogPin >= 0 && AnalogPin <= 5)
		pinMode(AnalogPin, INPUT); //receive switch signal
}

void MeteoTemp::doStep3()
{
	int i, j = 0, counter = 0;
	uint8_t laststate = HIGH;
	data[0] = data[1] = data[2] = data[3] = data[4] = 0;

#ifdef DEBUG
	unsigned long begin = micros();
#endif
	noInterrupts();
	digitalWrite(_pin, HIGH);
	delayMicroseconds(40);
	pinMode(_pin, INPUT);

	// read in timings
	for ( i=0; i< MAXTIMINGS; i++) {
		counter = 0;
		while (digitalRead(_pin) == laststate) {
			counter++;
			delayMicroseconds(1);
			if (counter == 255) {
				break;
			}
		}
		laststate = digitalRead(_pin);

		if (counter == 255) break;

		// ignore first 3 transitions
		if ((i >= 4) && (i%2 == 0)) {
			// shove each bit into the storage bytes
			data[j/8] <<= 1;
			if (counter > _count)
				data[j/8] |= 1;
			j++;
		}

	}

	interrupts();

	bool isOk = (j >= 40) &&
			(data[4] == ((data[0] + data[1] + data[2] + data[3]) & 0xFF));
	hasData = isOk;
	if (isOk) {
		mainLogic.temperatureUpdated();
	}
	status.needUpdate();
#ifdef DEBUG
	unsigned long duration = micros() - begin;
	Serial.print(F("DHT="));
	Serial.print(isOk);
	Serial.print(F(" took:"));
	Serial.println(duration);

	Serial.print(lastTemperature());
	Serial.print(F("° "));
	Serial.print(lastHumidity());
	Serial.println(F("%"));
#endif
	prepareStep1(false);
}

void MeteoTemp::doStep2()
{
	pinMode(_pin, OUTPUT);
	digitalWrite(_pin, LOW);
	prepareStep3();
}

void LED::setup() 
{  
  pinMode(outPin, OUTPUT);
}

void Ultrasonic::init(){
	pinMode(tPin, OUTPUT);
	digitalWrite(tPin, 0);
	pinMode(ePin, INPUT);
}