Petras Saduikis / Mbed 2 deprecated N3310LCD

Code to interface mbed to a Nokia 3310 LCD using the Nokia 3310 LCD shield from nuelectronics. Includes joystick interface and demo.

Dependencies:   mbed

main.cpp@0:36fb749b83c7, 2009-12-07 (annotated)

Committer:
snatch59
Date:
Mon Dec 07 17:24:52 2009 +0000
Revision:
0:36fb749b83c7

        

        
Who changed what in which revision?

        

            
                
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/*





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* N3310LCD. A program to interface mbed with the nuelectronics





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* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from





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* the nuelectronics Arduino code.





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*





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* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>





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*





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* This file is part of N3310LCD.





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*





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* N3310LCD is free software: you can redistribute it and/or modify





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* it under the terms of the GNU General Public License as published by





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* the Free Software Foundation, either version 3 of the License, or





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* (at your option) any later version.





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* 





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* N3310LCD is distributed in the hope that it will be useful,





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* but WITHOUT ANY WARRANTY; without even the implied warranty of





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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the





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* GNU General Public License for more details.





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*





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* You should have received a copy of the GNU General Public License





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* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.





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*/





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#include "N3310SPIConfig.h"





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#include "N3310LCD.h"





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#include "Joystick.h"





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#include "mbed_bmp.h"





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// demo for nuelectronics Nokia 3310 LCD shield (www.nuelectronics.com)





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// 





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// menu starting points





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#define MENU_X    10        // 0-83





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#define MENU_Y    1        // 0-5





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#define DEMO_ITEMS 4





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// menu definition





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char menu_items[DEMO_ITEMS][12] =





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{





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    "TEMPERATURE",





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    "CHAR MAP",





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    "BITMAP",





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    "ABOUT"    





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};





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void temperature(N3310LCD* lcd)





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{





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    lcd->writeStringBig(5, 1, "+21.12", NORMAL);





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    lcd->writeString(73, 2, "C", NORMAL);





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}





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void charmap(N3310LCD* lcd)





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{





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    for(int i = 0; i < 5; i++)





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    {





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        for(int j = 0; j < 14; j++)





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        {





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          lcd->locate(j*6, i);





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          lcd->writeChar(i*14 + j + 32, NORMAL);





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        }





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    }





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}





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void bitmap(N3310LCD* lcd)





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{





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    lcd->drawBitmap(20, 1, mbed_bmp, 48, 24);





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}





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void about(N3310LCD* lcd)





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{





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    lcd->writeString(0, 1, "Nokia 3310 LCD", NORMAL);





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    lcd->writeString(15, 2, "driven by", NORMAL);





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    lcd->writeString(30, 3, "mbed", NORMAL);





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}





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void (*menu_funcs[DEMO_ITEMS])(N3310LCD*) = 





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{





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    temperature,





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    charmap,





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    bitmap,





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    about





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};





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void initMenu(N3310LCD* lcd)





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{





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    lcd->writeString(MENU_X, MENU_Y, menu_items[0], HIGHLIGHT );





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    for (int i = 1; i < DEMO_ITEMS; i++)





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    {





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        lcd->writeString(MENU_X, MENU_Y + i, menu_items[i], NORMAL);





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    }





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}





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void waitforOKKey(N3310LCD* lcd, Joystick* jstick)





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{





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    lcd->writeString(38, 5, "OK", HIGHLIGHT );





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    int key = 0xFF;





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    while (key != CENTER_KEY)





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    {





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        for (int i = 0; i < NUM_KEYS; i++)





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        {





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            if (jstick->getKeyState(i) !=0)





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            {





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                jstick->resetKeyState(i);  // reset





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                if (CENTER_KEY == i) key = CENTER_KEY;





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            }





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        }





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    }





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}





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void autoDemo(N3310LCD* lcd)





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{





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    while (true)





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    {





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        for (int i = 0; i < DEMO_ITEMS; i++)





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        {





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            lcd->cls();





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            lcd->backlight(ON);





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            wait(1);





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            (*menu_funcs[i])(lcd);





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            wait(3);





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            lcd->backlight(OFF);





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            wait(3);





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        }





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    }





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}





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int main() 





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{





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    Joystick jstick(N3310SPIPort::AD0);





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    N3310LCD lcd(N3310SPIPort::MOSI, N3310SPIPort::MISO, N3310SPIPort::SCK,





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                 N3310SPIPort::CE, N3310SPIPort::DAT_CMD, N3310SPIPort::LCD_RST,





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                 N3310SPIPort::BL_ON);





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    lcd.init();





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    lcd.cls();





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    lcd.backlight(ON);





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    // demo stuff





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    // autoDemo(&lcd);





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    initMenu(&lcd);





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    int currentMenuItem = 0;





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    Ticker jstickPoll;





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    jstickPoll.attach(&jstick, &Joystick::updateADCKey, 0.01);    // check ever 10ms





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    while (true)





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    {





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    for (int i = 0; i < NUM_KEYS; i++)





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    {





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        if (jstick.getKeyState(i) != 0)





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        {    





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            jstick.resetKeyState(i);  // reset button flag





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            switch(i)





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            {





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                case UP_KEY:





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                    // current item to normal display





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                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], NORMAL);





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                    currentMenuItem -=1;





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                    if (currentMenuItem <0)  currentMenuItem = DEMO_ITEMS -1;





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                    // next item to highlight display





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                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], HIGHLIGHT);





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                    break;





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                case DOWN_KEY:





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                    // current item to normal display





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                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], NORMAL);





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                    currentMenuItem +=1;





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                    if(currentMenuItem >(DEMO_ITEMS - 1))  currentMenuItem = 0;





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                    // next item to highlight display





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                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], HIGHLIGHT);





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                    break;





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                case LEFT_KEY:





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                    initMenu(&lcd);





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                    currentMenuItem = 0;





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                    break;





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                case RIGHT_KEY:





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                    lcd.cls();





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                    (*menu_funcs[currentMenuItem])(&lcd);





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                    waitforOKKey(&lcd, &jstick);





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                    lcd.cls();





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                    initMenu(&lcd);





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                    currentMenuItem = 0;





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                    break;    





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            }        





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        }





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    }





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    }    





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    return EXIT_SUCCESS;





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}