Diff: main.cpp

Revision:

0:36fb749b83c7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Dec 07 17:24:52 2009 +0000
@@ -0,0 +1,198 @@
+/*
+* N3310LCD. A program to interface mbed with the nuelectronics
+* Nokia 3310 LCD shield from www.nuelectronics.com. Ported from
+* the nuelectronics Arduino code.
+*
+* Copyright (C) <2009> Petras Saduikis <petras@petras.co.uk>
+*
+* This file is part of N3310LCD.
+*
+* N3310LCD is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+* 
+* N3310LCD is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with N3310LCD.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "N3310SPIConfig.h"
+#include "N3310LCD.h"
+#include "Joystick.h"
+#include "mbed_bmp.h"
+
+// demo for nuelectronics Nokia 3310 LCD shield (www.nuelectronics.com)
+// 
+
+// menu starting points
+#define MENU_X    10        // 0-83
+#define MENU_Y    1        // 0-5
+
+#define DEMO_ITEMS 4
+
+// menu definition
+char menu_items[DEMO_ITEMS][12] =
+{
+    "TEMPERATURE",
+    "CHAR MAP",
+    "BITMAP",
+    "ABOUT"    
+};
+
+void temperature(N3310LCD* lcd)
+{
+    lcd->writeStringBig(5, 1, "+21.12", NORMAL);
+    lcd->writeString(73, 2, "C", NORMAL);
+}
+
+void charmap(N3310LCD* lcd)
+{
+    for(int i = 0; i < 5; i++)
+    {
+        for(int j = 0; j < 14; j++)
+        {
+          lcd->locate(j*6, i);
+          lcd->writeChar(i*14 + j + 32, NORMAL);
+        }
+    }
+}
+
+void bitmap(N3310LCD* lcd)
+{
+    lcd->drawBitmap(20, 1, mbed_bmp, 48, 24);
+}
+
+void about(N3310LCD* lcd)
+{
+    lcd->writeString(0, 1, "Nokia 3310 LCD", NORMAL);
+    lcd->writeString(15, 2, "driven by", NORMAL);
+    lcd->writeString(30, 3, "mbed", NORMAL);
+}
+
+void (*menu_funcs[DEMO_ITEMS])(N3310LCD*) = 
+{
+    temperature,
+    charmap,
+    bitmap,
+    about
+};
+
+void initMenu(N3310LCD* lcd)
+{
+    lcd->writeString(MENU_X, MENU_Y, menu_items[0], HIGHLIGHT );
+    
+    for (int i = 1; i < DEMO_ITEMS; i++)
+    {
+        lcd->writeString(MENU_X, MENU_Y + i, menu_items[i], NORMAL);
+    }
+}
+
+void waitforOKKey(N3310LCD* lcd, Joystick* jstick)
+{
+    lcd->writeString(38, 5, "OK", HIGHLIGHT );
+
+    int key = 0xFF;
+    while (key != CENTER_KEY)
+    {
+        for (int i = 0; i < NUM_KEYS; i++)
+        {
+            if (jstick->getKeyState(i) !=0)
+            {
+                jstick->resetKeyState(i);  // reset
+                if (CENTER_KEY == i) key = CENTER_KEY;
+            }
+        }
+    }
+}
+
+void autoDemo(N3310LCD* lcd)
+{
+    while (true)
+    {
+        for (int i = 0; i < DEMO_ITEMS; i++)
+        {
+            lcd->cls();
+            lcd->backlight(ON);
+            wait(1);
+                
+            (*menu_funcs[i])(lcd);
+        
+            wait(3);
+        
+            lcd->backlight(OFF);
+            wait(3);
+        }
+    }
+}
+
+int main() 
+{
+    Joystick jstick(N3310SPIPort::AD0);
+    N3310LCD lcd(N3310SPIPort::MOSI, N3310SPIPort::MISO, N3310SPIPort::SCK,
+                 N3310SPIPort::CE, N3310SPIPort::DAT_CMD, N3310SPIPort::LCD_RST,
+                 N3310SPIPort::BL_ON);
+    lcd.init();
+    lcd.cls();
+    lcd.backlight(ON);
+    
+    // demo stuff
+    // autoDemo(&lcd);
+    
+    initMenu(&lcd);
+    int currentMenuItem = 0;
+    Ticker jstickPoll;
+    jstickPoll.attach(&jstick, &Joystick::updateADCKey, 0.01);    // check ever 10ms
+    
+    
+    while (true)
+    {
+    for (int i = 0; i < NUM_KEYS; i++)
+    {
+        if (jstick.getKeyState(i) != 0)
+        {    
+            jstick.resetKeyState(i);  // reset button flag
+            switch(i)
+            {
+                case UP_KEY:
+                    // current item to normal display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], NORMAL);
+                    currentMenuItem -=1;
+                    if (currentMenuItem <0)  currentMenuItem = DEMO_ITEMS -1;
+                    // next item to highlight display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], HIGHLIGHT);
+                    break;
+                    
+                case DOWN_KEY:
+                    // current item to normal display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], NORMAL);
+                    currentMenuItem +=1;
+                    if(currentMenuItem >(DEMO_ITEMS - 1))  currentMenuItem = 0;
+                    // next item to highlight display
+                    lcd.writeString(MENU_X, MENU_Y + currentMenuItem, menu_items[currentMenuItem], HIGHLIGHT);
+                    break;
+                    
+                case LEFT_KEY:
+                    initMenu(&lcd);
+                    currentMenuItem = 0;
+                    break;
+                    
+                case RIGHT_KEY:
+                    lcd.cls();
+                    (*menu_funcs[currentMenuItem])(&lcd);
+                    waitforOKKey(&lcd, &jstick);
+                    lcd.cls();
+                    initMenu(&lcd);
+                    currentMenuItem = 0;
+                    break;    
+            }        
+        }
+    }
+    }    
+         
+    return EXIT_SUCCESS;
+}