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C++ dtostrf函数代码示例

本文整理汇总了C++中dtostrf函数的典型用法代码示例。如果您正苦于以下问题：C++ dtostrf函数的具体用法？C++ dtostrf怎么用？C++ dtostrf使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了dtostrf函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: dtostrf

// [ID, PIN, VALUE, TARGET, SENSOR?, TYPE]
int Device::toString(Print* conn){

	char v_str[6];
	/* 4 is mininum width, 2 is precision; float value is copied onto str_temp*/
	dtostrf(getValue(), 4, 2, v_str);

	conn->print('[');

	#if(ENABLE_PREFIX_NAME)
		if(type != Device::BOARD){
			conn->print(od::Config.moduleName);
			conn->print("::");
		}
	#endif

	conn->print(deviceName);
	conn->print(',');
	conn->print(id);
	conn->print(',');
	conn->print(pin);
	conn->print(',');
	conn->print(v_str);
	conn->print(',');
	conn->print(targetID);
	conn->print(',');
	conn->print((sensor ? 1 : 0));
	conn->print(',');
	conn->print((int)type);
	conn->print(']');

//	int size = sprintf (buffer, "[%s,%d,%d,%s,%d,%d,%d]",
//				(name != NULL ? name : ""),
//				id, pin, v_str, targetID, (sensor ? 1 : 0), itype);

//  Serial.print(">>>>>> Device :");
//  Serial.println(buffer);
	 return 0;
}
开发者ID:OpenDevice，项目名称:opendevice-lib-arduino，代码行数:39，代码来源:Device.cpp

示例2: strcat

/***********************************************************
 * 
 * fractionToString
 *
 *  
 * 
 ***********************************************************/
void BulbRamp::fractionToString(int optionConst, int fraction, char buffer[])
{
	  //output to result to buffer
	  char tempBuffer[5];
	  buffer[0] = 0;
	
	 if(option(optionConst) < 1000)		
	  {					
		strcat(buffer,"1/");
		utoa(fraction,tempBuffer,10);
		strcat(buffer,tempBuffer);
		strcat(buffer,"sec");	
		strcat(buffer,'\0');
	 }	
	 else if(option(optionConst) <= 60000) 
	 {
		float secf = (float) option(optionConst)/1000; //set from EndExposure or Start
		dtostrf(secf, 3, 1, tempBuffer); //avr lib float to str
		strcat(buffer,tempBuffer);
		strcat(buffer,"sec");	
		strcat(buffer,'\0');
	 }
}
开发者ID:jongeldyret，项目名称:Triggertrap，代码行数:30，代码来源:bulbRamp.cpp

示例3: loop

void loop() {
  if (Serial.available()) {
    int value = Serial.parseInt();
    // Sometime we see a garbage number, so restrict to a lower number
    if(value > 100) {
        value = 5;
    }
    blink(value);
  } 

  strcpy(deviceEvent, "");
  
  char val[10];
  strcat(deviceEvent,"status temp:");
  dtostrf(getTemp(),1,2, val);
  strcat(deviceEvent,val);
  strcat(deviceEvent,",pir:");
  int buttonState = digitalRead(PIRPIN);
  itoa(buttonState, val, 10);
  strcat(deviceEvent,val);
  Serial.println(deviceEvent);
  delay(100);
}
开发者ID:SkyNet-Solutions，项目名称:iot-gateway-samples，代码行数:23，代码来源:ArduinoSketch.c

示例4: dtostrf

void DAQ::handleValue(float value){
  // Handle averaging if used...
  _averagingSum += value;
  _dataCount++;
  
  if(_dataCount == _averageCount){
    if(_valueHandler){
      float value = _averagingSum / _dataCount;

      // Don't send same val...! :O(
      // TODO - Use hysteresis.
      //if(value != _lastValue){
      if((value < (_lastValue - _hysteresis)) || (value > (_lastValue + _hysteresis))){
        char buf[20];
        dtostrf(value, 0, _precision, buf);
        _valueHandler(buf);
        _lastValue = atof(buf);
      }
    }
    _dataCount = 0; 
    _averagingSum = 0;
  }
}
开发者ID:JanJohansen，项目名称:EspAri_Client，代码行数:23，代码来源:daq.cpp

示例5: dump_fastlog

void dump_fastlog( void )
{
	extern unsigned char top_ret;
	extern unsigned char bot_ret;
	newline();

	if(variables.current_cyl_idx < cfg.num_cyls && 
		variables.lastknock_tpfd[variables.current_cyl_idx] < 1500 && 
		variables.lastknock_tpfd[variables.current_cyl_idx] )
	{
		snprintf(output, OUTPUT_LEN, "%05lu", TICKS_PER_MIN/((unsigned long int) variables.lastknock_tpfd[variables.current_cyl_idx] *90));
		print_str(output);
		seperator();

		snprintf(output, OUTPUT_LEN, "%u", cfg.firing_order[variables.current_cyl_idx]);

	}
	else
	{
		snprintf(output, OUTPUT_LEN, "00000");
		print_str(output);
		seperator();

		snprintf(output, OUTPUT_LEN, "0");
	}

	print_str(output);
	seperator();

	dtostrf( (float) (variables.lastknock_volts[variables.current_cyl_idx] * TEN_BIT_LSB), 5, 3, output);
	print_str(output);

	seperator();
	snprintf(output, OUTPUT_LEN, "%u - %02X - %02X ", variables.rknock, top_ret, bot_ret);
	print_str(output);
return;
}
开发者ID:keith-daigle，项目名称:avr-tpic8101-420a，代码行数:37，代码来源:serial_menu.c

示例6: stroke

/**
 * Paint the BarGraph
 */
void BarGraph::paint(void) {
    char outStr[25];
    char outValueStr[6];

    //draw bargraph Background and outine
    stroke(fgColorR,
           fgColorG,
           fgColorB);

    fill(bgColorR,
         bgColorG,
         bgColorB);

    rect(xLocation,
         yLocation,
         graphWidth,
         graphHeight);

    //draw the bargraph label and value
    dtostrf(currValue, 5, 1, outValueStr);
    sprintf(outStr,"%s %s", graphLabel, outValueStr);
    text(outStr,
         xLocation,
         yLocation-10);

    //draw the bar
    noStroke();
    fill(fgColorR,
         fgColorG,
         fgColorB);
    rect(xLocation,
         yLocation,
         valueClamped * ((float)graphWidth / (maxValue - minValue)),
         graphHeight);


}
开发者ID:GandalfGecko，项目名称:antipasto_arduino，代码行数:40，代码来源:BarGraph.cpp

示例7: dtostrf

void Gauchito::sendData() {

    dtostrf(irs[0]->readInCentimeters(), 0, 2, gData.dataset[0].value);
    dtostrf(irs[1]->readInCentimeters(), 0, 2, gData.dataset[1].value);
    dtostrf(irs[2]->readInCentimeters(), 0, 2, gData.dataset[2].value);
    dtostrf(irs[3]->readInCentimeters(), 0, 2, gData.dataset[3].value);
    dtostrf(irs[4]->readInCentimeters(), 0, 2, gData.dataset[4].value);
    dtostrf(ultrasonic->readInCentimeters(), 0, 2, gData.dataset[5].value);

/*
    Serial.print("IR_01 "); Serial.println(gData.dataset[0].value);
    Serial.print("IR_02 "); Serial.println(gData.dataset[1].value);
    Serial.print("IR_03 "); Serial.println(gData.dataset[2].value);
    Serial.print("IR_04 "); Serial.println(gData.dataset[3].value);
    Serial.print("IR_05 "); Serial.println(gData.dataset[4].value);
    Serial.print("ULTRASSOM "); Serial.println(gData.dataset[5].value);
*/

}
开发者ID:rochapaulo，项目名称:Gauchito，代码行数:19，代码来源:Gauchito.cpp

示例8: String

//call to display detailed position information on the debug port.
void AsiMS2000::displayCurrentToDesired(char message[])
{
    char buffer[20];
    String reply = String(message);    
    AxisSettingsF a = AsiSettings.currentPos;
    AxisSettingsF d = AsiSettings.desiredPos;
    dtostrf(a.x,1,4,buffer);
    reply.concat(" " + String(buffer) + "->");
    dtostrf(d.x,1,4,buffer);
    reply.concat(String(buffer) + " ");
    
    dtostrf(a.y,1,4,buffer);
    reply.concat(String(buffer) + "->");
    dtostrf(d.y,1,4,buffer);
    reply.concat(String(buffer) + " ");

    dtostrf(a.z,1,4,buffer);
    reply.concat(String(buffer) + "->");
    dtostrf(d.z,1,4,buffer);
    reply.concat(String(buffer) + " ");
    
    debugPrintln(reply);
}
开发者ID:AllenBurnham，项目名称:microscope，代码行数:24，代码来源:AsiMS2000.cpp

示例9: init

String::String(float value, unsigned char decimalPlaces)
{
	init();
	char buf[33];
	*this = dtostrf(value, (33 - 1), decimalPlaces, buf);
}
开发者ID:bokibi，项目名称:corelibs-arduino101，代码行数:6，代码来源:WString.cpp

示例10: strncpy

void
CustomFrameBuilder::appendPositioningData()
{
  // time of fix
  strncpy(this->whereToAppend, this->gps->getTimeOfFix(), 6);
  this->whereToAppend += 6;

  // separator
  this->appendFieldSeparatorChar();

  // fix
  if (this->gps->getFix())
  {
    this->whereToAppend++[0] = 'A';
  }
  else
  {
    this->whereToAppend++[0] = 'V';
  }

  // separator
  this->appendFieldSeparatorChar();

  // longitude
  dtostrf(this->gps->getLongitude(), 2, 3, this->whereToAppend);
  this->whereToAppend += strlen(this->whereToAppend);

  // separator
  this->appendFieldSeparatorChar();

  // latitude
  dtostrf(this->gps->getLatitude(), 2, 3, this->whereToAppend);
  this->whereToAppend += strlen(this->whereToAppend);

  // separator
  this->appendFieldSeparatorChar();

  // altitude
  dtostrf(this->gps->getAltitude(), 2, 1, this->whereToAppend);
  this->whereToAppend += strlen(this->whereToAppend);

  // separator
  this->appendFieldSeparatorChar();

  // speed
  dtostrf(this->gps->getSpeedOverGround(), 2, 1, this->whereToAppend);
  this->whereToAppend += strlen(this->whereToAppend);

  // separator
  this->appendFieldSeparatorChar();

  // course
  dtostrf(this->gps->getCourseOverGround(), 2, 1, this->whereToAppend);
  this->whereToAppend += strlen(this->whereToAppend);

  // separator
  this->appendFieldSeparatorChar();

  // satellites in use
  itoa(this->gps->getSatellitesInUse(), this->whereToAppend, 10);
  this->whereToAppend += strlen(this->whereToAppend);

  // separator
  this->appendFieldSeparatorChar();

  // HDOP
  dtostrf(this->gps->getHDOP(), 2, 1, this->whereToAppend);
  this->whereToAppend += strlen(this->whereToAppend);
}
开发者ID:sebastienjean，项目名称:arduino-HAO-tracker，代码行数:69，代码来源:CustomFrameBuilder.cpp

示例11: translate


//.........这里部分代码省略.........
					j = T % 10;				// Nachkommastelle
					itoa (j,dest,10);
				} else if (T < 0) {
					T = -T;					// Vorzeichen abschneiden
					itoa (T,dest,10);

					while (*dest++)			// neues Ende finden
						++len;
					--dest;

					// "style rechtsbündig" anhängen
					strcpy_P(dest,PSTR("\" style=\"float: right"));
				}
				else {
					itoa (T,dest,10);
				}
				src += 5;
			}
			#endif
			
#if USE_OW
			/*
			*	1-Wire Temperatursensoren
			*	-------------------------
			*	[email protected]	nn = 00 bis MAXSENSORS-1 gibt Werte in 1/10 °C aus
			*	[email protected]	mm = 20 bis MAXSENSORS-1+20 gibt Werte in °C mit einer Nachkommastelle aus
			*	d.h. [email protected] für Balkenbreite verwenden und [email protected] für Celsius-Anzeige
			*/
			else if (strncasecmp_P(src,PSTR("[email protected]"),3)==0) {	
				FUNCS_DEBUG(" - 1-wire");
				uint8_t i = (*(src+3)-48)*10 + (*(src+4)-48);
				if (i >= 20) {	// Offset bei Sensor# abziehen und Wert als Dezimalzahl ausgeben
					i -= 20;
					dtostrf(ow_array[i] / 10.0,3,1,dest);
				} else {
					itoa (ow_array[i],dest,10);
				}
				src += 5;
			}
#endif

			//Einsetzen des Port Status %PORTxy durch "checked" wenn Portx.Piny = 1
			//x: A..G  y: 0..7 
			else if (strncasecmp_P(src,PSTR("PORT"),4)==0) {
				FUNCS_DEBUG(" - Portstatus");
				uint8_t pin  = (*(src+5)-48);	
				uint8_t b = 0;
				switch(*(src+4)) {
					case 'A':
						b = (PORTA & (1<<pin));
						break;
					case 'B':
						b = (PORTB & (1<<pin));
						break;
					case 'C':
						b = (PORTC & (1<<pin));
						break;
					case 'D':
						b = (PORTD & (1<<pin));
						break; 
				}
				
				if(b) {
					//strcpy_P(dest, PSTR("checked"));
					strcpy_P(dest, PSTR("ledon.gif"));
				}
开发者ID:jlunz，项目名称:AVR-Webserver，代码行数:67，代码来源:translate.c

示例12: dtostrf

bool Adafruit_MQTT_Publish::publish(double f, uint8_t precision) {
  char payload[40];  // Need to technically hold float max, 39 digits and minus sign.
  dtostrf(f, 0, precision, payload);
  return mqtt->publish(topic, payload, qos);
}
开发者ID:hamling-ling，项目名称:IoPocketMiku，代码行数:5，代码来源:Adafruit_MQTT.cpp

示例13: dtostrf

unsigned char String::concat(double num)
{
	char buf[20];
	char* string = dtostrf(num, 4, 2, buf);
	return concat(string, strlen(string));
}
开发者ID:spirilis，项目名称:arduino-msp430-1.6，代码行数:6，代码来源:WString.cpp

示例14: main


//.........这里部分代码省略.........
	mpu6050_getRawData(&ax, &ay, &az, &gx, &gy, &gz);
	mpu6050_getConvData(&axg, &ayg, &azg, &gxds, &gyds, &gzds);
	accXangle = (atan2(ayg,azg)+PI)*RAD_TO_DEG;
	gyroXangle = accXangle;
	#endif
	
	for(;;) {
		#if MPU6050_GETATTITUDE == 0
		mpu6050_getRawData(&ax, &ay, &az, &gx, &gy, &gz);
		mpu6050_getConvData(&axg, &ayg, &azg, &gxds, &gyds, &gzds);
		#endif
		
        accXangle = (atan2(ayg,azg)+PI)*RAD_TO_DEG;
		gyroXangle = accXangle + gxds*dt;
		Xangle = 0.98*gyroXangle + 0.02*accXangle;
		
		error = 180 - Xangle;
		I_error += (error)*dt;
		D_error = (error - previous_error)/*/dt*/;
		
		outputspeed = (P_GAIN * error) + (I_GAIN * I_error) + (D_GAIN * D_error);
		previous_error = error;
	/*Bang Bang Controller 
	if((Xangle<=(180.01))&&(Xangle>=179.99))
	{
		
		PORTA = 0x00;
	}
	else if (Xangle>(180.01))
	{
		set_timercounter0_compare_value(255);
		

		set_timercounter2_compare_value(255);
		
		PORTA = 0x0a;
	}
	else if(Xangle<(179.99))
	{
		set_timercounter0_compare_value(255);
		

		set_timercounter2_compare_value(255);
		
		PORTA = 0x05;
	}
		Bang Bang Controller*/
		if((Xangle<=(180.1))&&(Xangle>=179.9))
		{
			
			PORTA = 0x00;
		}
		else if (Xangle>(180.1))
		{ 
				set_timercounter0_compare_value(abs(outputspeed));
				

				set_timercounter2_compare_value(abs(outputspeed));
				
		PORTA = 0x0a;
		}
		else if(Xangle<(179.9))
		{  
				set_timercounter0_compare_value(abs(outputspeed));
				

				set_timercounter2_compare_value(abs(outputspeed));
				
			PORTA = 0x05;
		}		
		#if MPU6050_GETATTITUDE == 0
		char itmp[10];
		/*dtostrf(ax, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		 dtostrf(ay, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		 dtostrf(az, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		 dtostrf(gx, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		 dtostrf(gy, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		 dtostrf(gz, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
	    dtostrf(axg, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(ayg, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(azg, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(gxds, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(gyds, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(gzds, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(accXangle, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(gyroXangle, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(initangle, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(Xangle, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(error, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(I_error, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		dtostrf(D_error, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');*/
		dtostrf(outputspeed, 3, 5, itmp); uart_puts(itmp); uart_putc(' ');
		uart_puts("\r\n");

		uart_puts("\r\n");
		#endif 

	}

}
开发者ID:vishnukijai，项目名称:Self_balance_bot，代码行数:101，代码来源:Self_balance_bot_IMU.c

示例15: loop


//.........这里部分代码省略.........
      if (dataFile) {
        dataFile.print(dateTimeString);
        dataFile.print(";");
        dataFile.print(SensorData.sensor1);
        dataFile.print(";");
        dataFile.println(SensorData.sensor2);
        dataFile.close();
        }  
        
      // state change to IDLE
      system_FSM = S_IDLE;
    break;               
    default:
      system_FSM = S_IDLE;
  }
 
  switch(menu_FSM) {
    case M_PAGE1:
      if(menu_FSM !=menu_last_state) {
        DisplayClear();
        mySerial.write("Time"); // clear display + legends
        MenuShowTime = millis();
      }  
      now = rtc.now();
      DisplayGoto(1,0);
      mySerial.write("Time"); // clear display + legends

      DisplayGoto(1,8);
      TimeDate(now,dateTimeString,2);
      mySerial.print(dateTimeString);

      DisplayGoto(2,6);
      TimeDate(now,dateTimeString,3);
      mySerial.print(dateTimeString);

      //reserved for showing time and SD card status
      menu_last_state = M_PAGE1;

      if(millis() - MenuShowTime >= MenuDelayInMillis)
        menu_FSM = M_PAGE2;
      
      
      
    break;
    case M_PAGE2:
      if(menu_FSM !=menu_last_state) {
        DisplayClear();
        mySerial.write("Sens 1:        C"); 
        mySerial.write("Sens 2:        C"); 
        DisplayGoto(1,14);
        mySerial.write(223); 
        DisplayGoto(2,14);
        mySerial.write(223); 
        MenuShowTime = millis();
      }  

      DisplayGoto(1,10);
      mySerial.write(dtostrf(SensorData.sensor1,4,1,tempstring)); // write out the RPM value

      DisplayGoto(2,10);
      mySerial.write(dtostrf(SensorData.sensor2,4,1,tempstring)); // write out the TEMP value
      //mySerial.write(dtostrf(system_FSM,4,1,tempstring)); DEBUG
      
      menu_last_state = M_PAGE2;

      if(millis() - MenuShowTime >= MenuDelayInMillis)
        menu_FSM = M_PAGE3;
      
    break;
    case M_PAGE3:
      if(menu_FSM !=menu_last_state) {
		DisplayClear();
        mySerial.write("Sens 3:  N/A   C"); // clear display + legends
        mySerial.write("Sens 4:  N/A   C"); 
        DisplayGoto(1,14);
        mySerial.write(223); 
        DisplayGoto(2,14);
        mySerial.write(223);
        MenuShowTime = millis();
      }  

      DisplayGoto(1,7);
      
//    mySerial.write(dtostrf(SensorData.sensor1,4,1,tempstring)); // write out the RPM value

      DisplayGoto(2,7);

      //mySerial.write(dtostrf(MenuShowTime,4,1,tempstring)); // write out the TEMP value
      menu_last_state = M_PAGE3;

      if(millis() - MenuShowTime >= MenuDelayInMillis)
        menu_FSM = M_PAGE1;
      
    break;
    case M_PAGE4:
    break;
    default:
      menu_FSM = M_PAGE1;
  }
 }
开发者ID:lvesterg，项目名称:heater，代码行数:101，代码来源:heater_FSM.c


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