Diff: main.cpp

Revision:

0:bc852e1d0b48

Child:

1:eed4416d3359

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Jun 09 05:04:32 2013 +0000
@@ -0,0 +1,132 @@
+// ColorLCDShield_Conway
+// ---------------------
+// A program example using Sparkfun's Color LCD Shield for FRDM-KL25Z boards.
+//   - https://www.sparkfun.com/products/9363
+//   - The library has modified from Sparkfun's Arduino library code
+//   - Conway's Life Game simulator in a 128x128 world
+
+#include <stdint.h>
+#include "mbed.h"
+#include "ColorLCDShield.h"
+#include "Conway.h"
+
+LCDShield lcd;
+DigitalIn sw1(D3);
+DigitalIn sw2(D4);
+DigitalIn sw3(D5);
+AnalogIn seed(A0);
+
+Conway life;
+Timer timer;
+
+void drawWorld() {
+    static bool firstTime = true;
+    uint8_t b;
+    uint16_t ix8;
+    
+    for (uint8_t j = 0; j < 128; j++) {
+        for (uint8_t i = 0; i < 16; i++) {
+            b = life.world[j][i];
+            if (firstTime || b != life.worldTemp[j][i]) {
+                ix8 = i << 3;
+                lcd.setPixel(b & 0x80 ? 0xfff : 0x000, j, ix8);
+                lcd.setPixel(b & 0x40 ? 0xfff : 0x000, j, ix8 + 1);
+                lcd.setPixel(b & 0x20 ? 0xfff : 0x000, j, ix8 + 2);
+                lcd.setPixel(b & 0x10 ? 0xfff : 0x000, j, ix8 + 3);
+                lcd.setPixel(b & 0x08 ? 0xfff : 0x000, j, ix8 + 4);
+                lcd.setPixel(b & 0x04 ? 0xfff : 0x000, j, ix8 + 5);
+                lcd.setPixel(b & 0x02 ? 0xfff : 0x000, j, ix8 + 6);
+                lcd.setPixel(b & 0x01 ? 0xfff : 0x000, j, ix8 + 7);
+            }
+        }
+    }
+    firstTime = false;
+}
+
+void setup() {
+    lcd.init(PHILIPS);
+    lcd.contrast(-63);
+    lcd.clear(0x444);
+    
+    // Blinker ship 1
+    // http://conwaylife.com/wiki/Blinker_ship_1
+    uint8_t offsetX = 64 >> 3;
+    uint8_t offsetY = 64;
+    
+    life.world[offsetY - 4][offsetX - 1] = 0x60;
+    life.world[offsetY - 3][offsetX - 1] = 0xd8;
+    life.world[offsetY - 2][offsetX - 1] = 0x78;
+    life.world[offsetY - 1][offsetX - 1] = 0x31;
+    life.world[offsetY    ][offsetX - 1] = 0x02;
+    life.world[offsetY + 1][offsetX - 1] = 0x31;
+    life.world[offsetY + 2][offsetX - 1] = 0x78;
+    life.world[offsetY + 3][offsetX - 1] = 0xd8;
+    life.world[offsetY + 4][offsetX - 1] = 0x60;
+    
+    life.world[offsetY - 7][offsetX    ] = 0x3c;
+    life.world[offsetY - 6][offsetX    ] = 0x22;
+    life.world[offsetY - 5][offsetX    ] = 0x20;
+    life.world[offsetY - 4][offsetX    ] = 0x12;
+    life.world[offsetY - 2][offsetX    ] = 0x80;
+    life.world[offsetY - 1][offsetX    ] = 0x60;
+    life.world[offsetY    ][offsetX    ] = 0x20;
+    life.world[offsetY + 1][offsetX    ] = 0x60;
+    life.world[offsetY + 2][offsetX    ] = 0x80;
+    life.world[offsetY + 4][offsetX    ] = 0x12;
+    life.world[offsetY + 5][offsetX    ] = 0x20;
+    life.world[offsetY + 6][offsetX    ] = 0x22;
+    life.world[offsetY + 7][offsetX    ] = 0x3c;
+    
+    life.world[offsetY - 1][offsetX + 1] = 0x10;
+    life.world[offsetY    ][offsetX + 1] = 0x10;
+    life.world[offsetY + 1][offsetX + 1] = 0x10;
+
+    life.world[offsetY - 1][offsetX + 2] = 0xe0;
+    life.world[offsetY    ][offsetX + 2] = 0xa0;
+    life.world[offsetY + 1][offsetX + 2] = 0xe0;
+    
+    drawWorld();
+
+    // Start timer
+    timer.start();
+}
+
+void switches() {
+    static bool sw1Prev, sw2Prev, sw3Prev;
+    
+    if (!sw1 && sw1Prev) {
+        life.randomizeWorld25(seed.read_u16());
+    }
+    if (!sw2 && sw2Prev) {
+        life.randomizeWorld(seed.read_u16());
+    }
+    if (!sw3 && sw3Prev) {
+        life.randomizeWorld75(seed.read_u16());
+    }
+    
+    sw1Prev = sw1;
+    sw2Prev = sw2;
+    sw3Prev = sw3;
+}
+
+void loop() {
+    int32_t t = timer.read_ms();
+    static int32_t prevSwitch = t;
+    
+    if (t >= prevSwitch + 20 || t < prevSwitch) {
+        prevSwitch = t;
+        switches();
+    }
+    
+    life.nextGeneration();
+    life.swap();
+    drawWorld();
+}
+
+int main() {
+    setup();
+
+    while (1) {
+        loop();
+    }
+}