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Rei Vilo
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Two examples for Nokia 5110 and LCD BoosterPack screens
Nokia 5110 screen LCD BoosterPack = Nokia 7110 screen
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‎examples/7.Display/LCD_5110_430/LCD_5110.cpp‎

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//
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// LCD_5110.cpp
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// Library C++ code
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// ----------------------------------
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// Developed with embedXcode
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//
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// Project LCD 5110
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// Created by Rei VILO on 28/05/12
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// Copyright (c) 2012 http://embeddedcomputing.weebly.com
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// Licence CC = BY SA NC
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//
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#include "LCD_5110.h"
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const uint8_t _commandLCD = 0x00;
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const uint8_t _dataLCD = 0x01;
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uint8_t _pinReset;
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uint8_t _pinSerialData;
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uint8_t _pinBacklight;
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uint8_t _pinChipSelect;
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uint8_t _pinDataCommand;
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uint8_t _pinSerialClock;
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uint8_t _pinPushButton;
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LCD_5110::LCD_5110() {
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LCD_5110(P2_2, // Chip Select
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P2_4, // Serial Clock
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P2_0, // Serial Data
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P2_3, // Data/Command
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P1_0, // Reset
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P2_1, // Backlight
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PUSH2); // Push Button 2
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}
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LCD_5110::LCD_5110(uint8_t pinChipSelect, uint8_t pinSerialClock, uint8_t pinSerialData, uint8_t pinDataCommand, uint8_t pinReset, uint8_t pinBacklight, uint8_t pinPushButton) {
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_pinChipSelect = pinChipSelect;
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_pinSerialClock = pinSerialClock;
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_pinSerialData = pinSerialData;
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_pinDataCommand = pinDataCommand;
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_pinReset = pinReset;
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_pinBacklight = pinBacklight;
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_pinPushButton = pinPushButton;
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}
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void LCD_5110::write(uint8_t dataCommand, uint8_t c) {
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digitalWrite(_pinDataCommand, dataCommand);
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digitalWrite(_pinChipSelect, LOW);
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shiftOut(_pinSerialData, _pinSerialClock, MSBFIRST, c);
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digitalWrite(_pinChipSelect, HIGH);
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}
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void LCD_5110::setXY(uint8_t x, uint8_t y) {
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write(_commandLCD, 0x40 | y);
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write(_commandLCD, 0x80 | x);
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}
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void LCD_5110::begin() {
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pinMode(_pinChipSelect, OUTPUT);
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pinMode(_pinReset, OUTPUT);
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pinMode(_pinDataCommand, OUTPUT);
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pinMode(_pinSerialData, OUTPUT);
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pinMode(_pinSerialClock, OUTPUT);
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pinMode(_pinBacklight, OUTPUT);
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pinMode(_pinPushButton, INPUT_PULLUP);
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digitalWrite(_pinDataCommand, LOW);
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delay(30);
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digitalWrite(_pinReset, LOW);
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delay(100); // as per 8.1 Initialisation
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digitalWrite(_pinReset, HIGH);
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write(_commandLCD, 0x21); // chip is active, horizontal addressing, use extended instruction set
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write(_commandLCD, 0xc8); // write VOP to register: 0xC8 for 3V — try other values
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write(_commandLCD, 0x12); // set Bias System 1:48
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write(_commandLCD, 0x20); // chip is active, horizontal addressing, use basic instruction set
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write(_commandLCD, 0x09); // temperature control
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write(_commandLCD, 0x0c); // normal mode
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delay(10);
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clear();
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_font = 0;
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setBacklight(false);
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}
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String LCD_5110::WhoAmI() {
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return "LCD Nokia 5110";
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}
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void LCD_5110::clear() {
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setXY(0, 0);
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for (uint16_t i=0; i<6*84; i++) write(_dataLCD, 0x00);
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setXY(0, 0);
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}
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void LCD_5110::setBacklight(boolean b) {
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digitalWrite(_pinBacklight, b ? LOW : HIGH);
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}
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void LCD_5110::setFont(uint8_t font) {
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_font = font;
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}
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void LCD_5110::text(uint8_t x, uint8_t y, String s) {
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uint8_t i;
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uint8_t j;
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if (_font==0) {
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setXY(6*x, y);
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for (j=0; j<s.length(); j++) {
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for (i=0; i<5; i++) write(_dataLCD, Terminal6x8[s.charAt(j)-' '][i]);
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write(_dataLCD, 0x00);
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}
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}
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else if (_font==1) {
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setXY(6*x, y);
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for (j=0; j<s.length(); j++) {
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for (i=0; i<11; i++) write(_dataLCD, Terminal11x16[s.charAt(j)-' '][2*i]);
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write(_dataLCD, 0x00);
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}
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setXY(6*x, y+1);
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for (j=0; j<s.length(); j++) {
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for (i=0; i<11; i++) write(_dataLCD, Terminal11x16[s.charAt(j)-' '][2*i+1]);
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write(_dataLCD, 0x00);
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}
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}
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}
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boolean LCD_5110::getButton() {
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if (digitalRead(_pinPushButton)==LOW) {
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while (digitalRead(_pinPushButton)==LOW); // debounce
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return true;
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} else {
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return false;
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}
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}

‎examples/7.Display/LCD_5110_430/LCD_5110.h‎

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//
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// LCD_5110.h
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// Library header
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// ----------------------------------
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// Developed with embedXcode
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//
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// Project LCD 5110
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// Created by Rei VILO on 28/05/12
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// Copyright (c) 2012 http://embeddedcomputing.weebly.com
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// Licence CC = BY SA NC
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//
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// Core library
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#if defined (__AVR_ATmega328P__) || defined(__AVR_ATmega2560__) // Arduino specific
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#include "WProgram.h" // #include "Arduino.h" for Arduino 1.0
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#elif defined(__32MX320F128H__) || defined(__32MX795F512L__) // chipKIT specific
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#include "WProgram.h"
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#elif defined(__AVR_ATmega644P__) // Wiring specific
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#include "Wiring.h"
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#elif defined(__MSP430G2452__) || defined(__MSP430G2553__) || defined(__MSP430G2231__) // LaunchPad specific
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#include "Energia.h"
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#elif defined(MCU_STM32F103RB) || defined(MCU_STM32F103ZE) || defined(MCU_STM32F103CB) || defined(MCU_STM32F103RE) // Maple specific
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#include "WProgram.h"
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#endif
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#ifndef LCD_5110_h
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#define LCD_5110_h
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#include "Terminal6.h"
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#include "Terminal12.h"
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class LCD_5110 {
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public:
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LCD_5110();
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LCD_5110(uint8_t pinChipSelect, uint8_t pinSerialClock, uint8_t pinSerialData, uint8_t pinDataCommand, uint8_t pinReset, uint8_t pinBacklight, uint8_t pinPushButton);
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void begin();
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String WhoAmI();
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void clear();
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void setBacklight(boolean b=true);
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void setFont(uint8_t font=0);
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uint8_t fontX();
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uint8_t fontY();
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void text(uint8_t x, uint8_t y, String s);
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boolean getButton();
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private:
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void setXY(uint8_t x, uint8_t y);
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void write(uint8_t dataCommand, uint8_t c);
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uint8_t _font;
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};
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#endif

‎examples/7.Display/LCD_5110_430/LCD_5110_430.pde‎

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//
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// LCD_5110_main.pde
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// Sketch
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// ----------------------------------
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// Developed with embedXcode
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//
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// Project LCD 5110
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// Created by Rei VILO on 28/05/12
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// Copyright (c) 2012 http://embeddedcomputing.weebly.com
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// Licence CC = BY SA NC
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//
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// Core library
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#if defined(__MSP430G2452__) || defined(__MSP430G2553__) || defined(__MSP430G2231__) // LaunchPad specific
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#include "Energia.h"
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#else
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#error Board not supported
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#endif
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// Include application, user and local libraries
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#include "LCD_5110.h"
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#include "Thermometer_430.h"
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// Variables
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//LCD_5110 myScreen(P2_4, P2_3, P2_2, P2_1, P2_0, P2_5, PUSH2);
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LCD_5110 myScreen;
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//#define _pinChipSelect P2_4
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//#define _pinSerialClock P2_3
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//#define _pinSerialData P2_2
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//#define _pinDataCommand P2_1
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//#define _pinReset P2_0
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//#define _pinBacklight P2_5
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//#define _pinPushButton PUSH2
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//
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//LCD_5110(P2_2, // Chip Select *
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// P2_4, // Serial Clock *
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// P2_0, // Serial Data *
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// P2_3, // Data/Command *
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// P1_0, // Reset *
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// P2_1, // Backlight
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// PUSH2); // Push Button 0
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Thermometer_430 myThermometer;
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boolean backlight = false;
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// Add setup code
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void setup() {
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myThermometer.begin();
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myScreen.begin();
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myScreen.setFont(1);
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myScreen.text(1, 1, "MSP430");
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myScreen.setFont(0);
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myScreen.text(0, 5, "1234567890abcd");
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delay(2000);
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myScreen.clear();
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myScreen.text(2, 0, "Thermometer");
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myScreen.text(0, 5, "off");
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}
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// Display mask
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char display[8] = {' ', ' ', ' ', '.', ' ', 0x7f, 'C', 0x00};
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// Add loop code
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void loop() {
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if (myScreen.getButton()) {
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backlight = ~backlight;
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myScreen.setFont(0);
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myScreen.text(0, 5, backlight ? "on " : "off");
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myScreen.setBacklight(backlight);
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}
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myThermometer.get();
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// Temperature display
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int32_t number = myThermometer.temperatureX10();
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boolean flag = (number<0);
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if (flag) number = -number;
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display[4] = 0x30 + (number%10);
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number /= 10;
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display[2] = 0x30 + (number%10);
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number /= 10;
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if (number>0) {
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display[1] = 0x30 + (number%10);
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} else if (flag) {
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display[1] = '-';
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flag = false;
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} else {
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display[1] = ' ';
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}
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number /= 10;
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if (number>0) display[0] = 0x30 + (number%10);
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else if (flag) display[0] = '-';
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else display[0] = ' ';
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myScreen.setFont(1);
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myScreen.text(0, 2, display);
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delay(500);
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}
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‎examples/7.Display/LCD_5110_430/ReadMe.txt‎

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LCD 5110
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Read me
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----------------------------------
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Developed with embedXcode
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Project LCD BoosterPack
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Created by Rei VILO on 28/05/12
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Copyright (c) 2012 http://embeddedcomputing.weebly.com
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Licence CC = BY SA NC
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Based on LCD BoosterPack by SugarAddict
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Uses GLCD fonts
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Push button on screen to turn backlight on / off
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References
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----------------------------------
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• PCD8544 — 48 × 84 pixels matrix LCD controller/driver
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• Fonts generated with MikroElektronika GLCD Font Creator 1.2.0.0
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http://www.mikroe.com
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Developed with embedXcode
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----------------------------------
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Embedded Computing Template on Xcode 4.3
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© Rei VILO, 2010-2012
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CC = BY NC SA
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http:embedXcode.weebly.com/
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