Arduino 下 Nokia 5110 LCD + DS18B20 多点测温

温度库：http://milesburton.com/Dallas_Temperature_Control_Library
5110库：https://github.com/adafruit/Adafruit-PCD8544-Nokia-5110-LCD-library

资料上显示 DS18B20 可以使用 3-5v 电源供电，可以做到9-12位精度。不过12位精度比9位精度测温慢多了。而1820只能5V供电，9位精度。

/*********************************************************************
This is an example sketch for our Monochrome Nokia 5110 LCD Displays

  Pick one up today in the adafruit shop!
  ------> http://www.adafruit.com/products/338

These displays use SPI to communicate, 4 or 5 pins are required to
interface

Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!

Written by Limor Fried/Ladyada  for Adafruit Industries.
BSD license, check license.txt for more information
All text above, and the splash screen must be included in any redistribution
*********************************************************************/

#include <Adafruit_GFX.h>
#include <Adafruit_PCD8544.h>
#include "floatToString.h"

#include <OneWire.h>
#include <DallasTemperature.h>

// pin 7 - Serial clock out (SCLK)
// pin 6 - Serial data out (DIN)
// pin 5 - Data/Command select (D/C)
// pin 4 - LCD chip select (CS)
// pin 3 - LCD reset (RST)
// pin2 - DS18B20  需要4.7k欧上拉电阻
Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);

#define NUMFLAKES 10
#define XPOS 0
#define YPOS 1
#define DELTAY 2


#define LOGO16_GLCD_HEIGHT 16
#define LOGO16_GLCD_WIDTH  16

static unsigned char PROGMEM logo16_glcd_bmp[] =
{ B00000000, B11000000,
  B00000001, B11000000,
  B00000001, B11000000,
  B00000011, B11100000,
  B11110011, B11100000,
  B11111110, B11111000,
  B01111110, B11111111,
  B00110011, B10011111,
  B00011111, B11111100,
  B00001101, B01110000,
  B00011011, B10100000,
  B00111111, B11100000,
  B00111111, B11110000,
  B01111100, B11110000,
  B01110000, B01110000,
  B00000000, B00110000 };





// Data wire is plugged into port 2 on the Arduino
#define ONE_WIRE_BUS 2
#define TEMPERATURE_PRECISION 12

// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature. 
DallasTemperature sensors(&oneWire);

// arrays to hold device addresses
DeviceAddress insideThermometer, outsideThermometer;




void setup()   {
  Serial.begin(9600);

  display.begin();
  // init done

  // you can change the contrast around to adapt the display
  // for the best viewing!
  display.setContrast(50);

  display.display(); // show splashscreen
  
  
  // Start up the library
  sensors.begin();

  // locate devices on the bus
  Serial.print("Locating devices...");
  Serial.print("Found ");
  Serial.print(sensors.getDeviceCount(), DEC);
  Serial.println(" devices.");
    // set the resolution to 12 bit
  sensors.setResolution( TEMPERATURE_PRECISION);

  

  // draw a single pixel
  display.drawPixel(10, 10, BLACK);
  display.display();
  delay(2000);
  
  
}

//char buffer[25];// floatToString
//char s[25];// floatToString


void loop() {
  
    Serial.print("Requesting temperatures...");
  sensors.requestTemperatures();
  Serial.println("DONE");
  

  display.clearDisplay();   // clears the screen and buffer

//  float tempC = sensors.getTempCByIndex(0);
//  floatToString(buffer, tempC, 2);
//  Serial.println("Temp C: ");
//  Serial.print(tempC);
//sprintf(s,"c:%s",buffer);

  // text display tests
  display.setTextSize(1);
  display.setTextColor(BLACK);
  display.setCursor(0,0);
  display.print("c0:");
  display.println(sensors.getTempCByIndex(0));
  display.print("c1:");
  display.println(sensors.getTempCByIndex(1));
  display.print("c2:");
  display.println(sensors.getTempCByIndex(2));
  display.display();
  delay(2000);



}

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/*********************************************************************

This is an example sketch for our Monochrome Nokia 5110 LCD Displays

Pick one up today in the adafruit shop!

------> http://www.adafruit.com/products/338

These displays use SPI to communicate, 4 or 5 pins are required to

interface

Adafruit invests time and resources providing this open source code,

please support Adafruit and open-source hardware by purchasing

products from Adafruit!

Written by Limor Fried/Ladyada for Adafruit Industries.

BSD license, check license.txt for more information

All text above, and the splash screen must be included in any redistribution

*********************************************************************/

#include <Adafruit_GFX.h>

#include <Adafruit_PCD8544.h>

#include "floatToString.h"

#include <OneWire.h>

#include <DallasTemperature.h>

// pin 7 - Serial clock out (SCLK)

// pin 6 - Serial data out (DIN)

// pin 5 - Data/Command select (D/C)

// pin 4 - LCD chip select (CS)

// pin 3 - LCD reset (RST)

// pin2 - DS18B20 需要4.7k欧上拉电阻

Adafruit_PCD8544 display = Adafruit_PCD8544(7, 6, 5, 4, 3);

#define NUMFLAKES 10

#define XPOS 0

#define YPOS 1

#define DELTAY 2

#define LOGO16_GLCD_HEIGHT 16

#define LOGO16_GLCD_WIDTH 16

static unsigned char PROGMEM logo16_glcd_bmp[] =

{ B00000000, B11000000,

B00000001, B11000000,

B00000011, B11100000,

B11110011, B11100000,

B11111110, B11111000,

B01111110, B11111111,

B00110011, B10011111,

B00011111, B11111100,

B00001101, B01110000,

B00011011, B10100000,

B00111111, B11100000,

B00111111, B11110000,

B01111100, B11110000,

B01110000, B01110000,

B00000000, B00110000 };

// Data wire is plugged into port 2 on the Arduino

#define ONE_WIRE_BUS 2

#define TEMPERATURE_PRECISION 12

// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)

OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature.

DallasTemperature sensors(&oneWire);

// arrays to hold device addresses

DeviceAddress insideThermometer, outsideThermometer;

void setup() {

Serial.begin(9600);

display.begin();

// init done

// you can change the contrast around to adapt the display

// for the best viewing!

display.setContrast(50);

display.display(); // show splashscreen

// Start up the library

sensors.begin();

// locate devices on the bus

Serial.print("Locating devices...");

Serial.print("Found ");

Serial.print(sensors.getDeviceCount(), DEC);

Serial.println(" devices.");

// set the resolution to 12 bit

sensors.setResolution( TEMPERATURE_PRECISION);

// draw a single pixel

display.drawPixel(10, 10, BLACK);

display.display();

delay(2000);

}

//char buffer[25];// floatToString

//char s[25];// floatToString

void loop() {

Serial.print("Requesting temperatures...");

sensors.requestTemperatures();

Serial.println("DONE");

display.clearDisplay(); // clears the screen and buffer

// float tempC = sensors.getTempCByIndex(0);

// floatToString(buffer, tempC, 2);

// Serial.println("Temp C: ");

// Serial.print(tempC);

//sprintf(s,"c:%s",buffer);

// text display tests

display.setTextSize(1);

display.setTextColor(BLACK);

display.setCursor(0,0);

display.print("c0:");

display.println(sensors.getTempCByIndex(0));

display.print("c1:");

display.println(sensors.getTempCByIndex(1));

display.print("c2:");

display.println(sensors.getTempCByIndex(2));

display.display();

delay(2000);

}

注意，需要使用arduino-1.52以上版本，arduino-1.05的会出现以下错误：
\arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp: In constructor 'RobotControl::RobotControl()': \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:8: error: 'LCD_CS' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:8: error: 'DC_LCD' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:8: error: 'RST_LCD' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp: In member function 'void RobotControl::begin()': \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:18: error: 'MUXA' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:18: error: 'MUXB' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:18: error: 'MUXC' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:18: error: 'MUXD' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:19: error: 'MUX_IN' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:22: error: 'BUZZ' was not declared in this scope \arduino-1.0.5-windows\arduino-1.0.5\libraries\Robot_Control\ArduinoRobot.cpp:25: error: 'Serial1' was not declared in this scope

GameXG

随手记录，好记性不如烂笔头。

Arduino 下 Nokia 5110 LCD + DS18B20 多点测温

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