Diff: main.cpp

Revision:

0:978b9f226721

diff -r 000000000000 -r 978b9f226721 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri May 06 17:15:30 2016 +0000
@@ -0,0 +1,232 @@
+// PROGRAM'S LIBRARIES
+#include "mbed.h"
+#include "N5110.h"
+#define PI 3.14159265359
+#define CMD_DC_INVERT_VIDEO    0x0D
+
+// VARIABLES DEFINED
+#define WIDTH 84
+#define HEIGH 48
+#define BANKS 6
+
+// mbed API OBJECTS
+AnalogIn pot(p17); // DAC on pin 18 for analogue input to control the timer
+DigitalIn button(p5); // SPI on pin 5 for digital input to control the radom distribution
+DigitalIn stop(p6); // SPI on pin 6
+
+// VCC,SCE,RST,D/C,MOSI,SCLK,LED
+N5110 lcd(p7,p8,p9,p10,p11,p13,p21); // N5110 lcd pin connection
+// VCC powered directly from VOUT (3.3 V) -
+// Can give better performance due to current limitation from GPIO pin
+BusOut myleds(LED4, LED3, LED2, LED1);// the LEDs are flashing in opposite direction - used as speed control
+
+// GLOBAL VARIABLES
+bool Cells[84][48];  // array to hold samples
+int checkNeigbour  (int i, int j); // to check cell within the sample
+
+// FUNCTION PROTOTYPES
+void init();
+void setPixel();
+void displayNext();
+void clearBuffer();
+void gameSetUp();
+void checkBoard();
+void countkNeigbour  (int i, int j);// to count surrounding cells
+void glider();
+void turnOff();
+
+// START OF MAIN()
+int main()
+{
+    // INITIALISATION CODE
+    lcd.init();
+    //  drawing rectangles frame
+    //  origin x,y,width,height,type
+    lcd.drawRect(0,0,83,47,0);    // transparent, just outline rectangle
+    lcd.refresh();
+    // printing strings at specified co-ordinates
+    lcd.printString("Hello, World!",6,3);
+    // refreshing display after setting pixels
+    lcd.refresh();
+    wait(1);
+    void clearCells();
+    // loop throught cells, and clear
+    for (int i = 1; i < 83 ; i++) {
+        for (int j = 1; j < 47 ; j++) {
+            lcd.clearPixel(i,j);
+        }
+    }
+    lcd.refresh(); // refreshing lcd to write buffer to display
+
+    lcd.printString("Welcome to",15,1); // splash screen
+    lcd.printString("Conway's",20,2);
+    lcd.printString("Game of Life",6,3);
+    lcd.printString("Bonny Ngangu",6,4);
+    // drawing a line across the display at y = 40 pixels (6 pixel offser from left, and toward right)
+    for (int i = 6; i < 78; i++) {
+        lcd.setPixel(i,40);
+    }
+    lcd.refresh(); // refreshing LCD after setting pixels
+    wait(3);
+    void clearCells();
+    // loop throught cells, and clear
+    for (int i = 1; i < 83 ; i++) {
+        for (int j = 1; j < 47 ; j++) {
+            lcd.clearPixel(i,j);
+        }
+    }
+    lcd.refresh(); // refreshing to write buffer to display
+    // printing strings at specified co-ordinates
+    lcd.printString("Two!",20,2);
+    // refreshing display after setting pixels
+    lcd.refresh();
+    wait(1);
+    void clearCells();
+    // loop throught cells, and clear
+    for (int i = 1; i < 83 ; i++) {
+        for (int j = 1; j < 47 ; j++) {
+            lcd.clearPixel(i,j);
+        }
+    }
+    lcd.refresh(); // refreshing to write buffer to display
+
+    // printing strings at specified co-ordinates
+    lcd.printString("One!",20,2);
+    // need to refresh display after setting pixels
+    lcd.refresh();
+    wait(1);
+    void clearCells();
+    // loop throught cells, and clear
+    for (int i = 1; i < 83 ; i++) {
+        for (int j = 1; j < 47 ; j++) {
+            lcd.clearPixel(i,j);
+        }
+    }
+    lcd.refresh(); // refreshing to write buffer to display
+
+    // printing strings at specified co-ordinates
+    lcd.printString("Have Fun!",20,2);
+    // need to refresh display after setting pixels
+    lcd.refresh();
+    wait(1);
+    void clearCells();
+    // loop throught cells, and clear
+    for (int i = 1; i < 83 ; i++) {
+        for (int j = 1; j < 47 ; j++) {
+            lcd.clearPixel(i,j);
+        }
+    }
+    lcd.refresh(); // refreshing to write buffer to display
+    
+    // TESTING USING GLIDER AND STRUCTRES
+    glider(); // glicer testing
+    lcd.refresh();
+    wait(1);
+
+    // INFINITE LOOP
+    while(1) {
+        displayNext();
+        wait(pot);
+        for(int i=0; i<16; i++) {
+            myleds = i;
+            wait(pot);
+        }
+    }
+}
+    
+    // SURROUNDING LIVING CELLS CHECK
+int checkNeigbour  (int i, int j)   // number of neighbours
+{
+    int n = 0; // number of neighbours
+
+    if (lcd.getPixel(i-1,j-1)) // pixel to top-left
+        n++;
+    if (lcd.getPixel(i-1,j)) // pixel to left
+        n++;
+    if (lcd.getPixel(i-1,j+1)) // pixel to bottom-left
+        n++;
+    if (lcd.getPixel(i,j-1)) // pixel to top
+        n++;
+    if (lcd.getPixel(i,j+1)) // pixel to bottom
+        n++;
+    if (lcd.getPixel(i+1,j-1)) // pixel to top-right
+        n++;
+    if (lcd.getPixel(i+1,j)) // pixel to right
+        n++;
+    if (lcd.getPixel(i+1,j+1)) // pixel to bottom-right
+        n++;
+    return n;
+}
+
+/* APPLING RULES:
+1.  Any live cell with fewer than two live neighbours dies, due to under-population.
+2.  Any live cell with two or three live neighbours lives on to the next generation.
+3.  Any live cell with more than three live neighbours dies, due to over-population.
+4.  Any dead cell with exactly three live neighbours becomes a live cell, due to reproduction.*/
+
+void gameSetUp() // appliying rules of the game
+{
+    for (int i = 0; i < 84 ; i++) {
+        for (int j = 0; j < 48 ; j++) {
+            int n = checkNeigbour(i,j);
+
+            if (lcd.getPixel(i,j)) {// this means that if a pixel is already on
+                if (n==2) // cell with 2 neighbours live on in the next generation
+                    Cells[i][j]=1;
+                else if (n==3) // cell with 3 neighbours live on in the next generation
+                    Cells[i][j]=1;
+                else if (n>3) // cell with > 3 neighbours dies - overpopulation
+                    Cells[i][j]=0;
+                else if (n<2) // cell with < 2 neighbours dies - underpopulation
+                    Cells[i][j]=0;
+            } else { // if no pixel is set on yet
+                if (n==3) // cell with exactly 3 neighbours becomes alive - reproduction
+                    Cells[i][j]=1; 
+            }
+        }
+    }
+    lcd.refresh();
+}
+
+// NEW GENERATION CELLS
+void displayNext()
+{
+    gameSetUp();
+    for (int i = 0; i < 84 ; i++) {
+        for (int j = 0; j < 48 ; j++) {
+            if (Cells[i][j]==1)
+                lcd.setPixel(i,j);
+            else
+                lcd.clearPixel(i,j);
+        }
+    }
+    
+// RANDON CELLS DISTRIBUTION WHEN BUTTON A IS PRESSED AND HOLDED FOR 0.5 MS
+    if(button==1) {
+    lcd.randomiseBuffer();
+    lcd.refresh();
+    wait_ms(0.5);
+    }
+    
+// TURNING OFF THE PROCESS
+    if(stop==1) {
+    lcd.turnOff();
+    lcd.refresh();
+    wait_ms(0.1);
+    }
+    }
+void glider() // glider testing
+{
+    lcd.setPixel(17,17);
+    wait(pot);
+    lcd.setPixel(17,18);
+    wait(pot);
+    lcd.setPixel(17,19);
+    wait(pot);
+    lcd.setPixel(16,19);
+    wait(pot);
+    lcd.setPixel(15,18);
+    wait(pot);
+    }
+    
+    
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