Diff: main.cpp

Revision:

0:e4434d058310

Child:

1:133129bd3d45

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Nov 19 09:07:36 2019 +0000
@@ -0,0 +1,120 @@
+#include "mbed.h"
+#include "LM75B.h"
+#include "C12832_lcd.h"
+#include "MMA7660.h"
+
+DigitalOut startLED(LED3);
+DigitalOut rgbLED[] = {DigitalOut(p23), DigitalOut(p24), DigitalOut(p25)};
+InterruptIn fireInterrupt(p14);
+Timeout startChecker;
+LM75B tempSensor(p28, p27);
+MMA7660 MMA(p28, p27);
+C12832_LCD lcdDisplay;
+Thread temp_thread;
+Thread gyro_thread;
+Mutex lcdMutex;
+
+bool boardStarted = false;
+bool tempThreadRunning = false;
+bool gyroThreadRunning = false;
+
+void tmpThread()
+{
+    tempThreadRunning = true;
+    
+    while(boardStarted)
+    {
+        lcdMutex.lock();
+        
+        lcdDisplay.cls();
+        lcdDisplay.locate(0, 0);
+        lcdDisplay.printf("Temp: %.2f", tempSensor.read());
+        
+        lcdMutex.unlock();
+        wait(0.5);
+    }
+    
+    tempThreadRunning = false;
+}
+
+void gyroThread()
+{
+    gyroThreadRunning = true;
+    
+    while(boardStarted)
+    {
+        int x = (x + MMA.x() * 32.0)/2.0;
+        int y = (y -(MMA.y() * 16.0))/2.0;
+        lcdMutex.lock();
+        lcdDisplay.fillcircle(x+83, y+15, 3, 1); //draw bubble
+        lcdDisplay.circle(83, 15, 8, 1);
+        lcdMutex.unlock();
+        
+        wait(0.1); //time delay
+        
+        lcdMutex.lock();
+        lcdDisplay.fillcircle(x+83, y+15, 3, 0); //erase bubble
+        lcdMutex.unlock();
+    }
+    
+    gyroThreadRunning = false;
+}
+
+void start()
+{
+    if(boardStarted)
+    {
+        boardStarted = false;
+        rgbLED[0] = 0;
+        rgbLED[1] = 1;
+        
+    }
+    else
+    {
+        boardStarted = true;
+        rgbLED[0] = 1;
+        rgbLED[1] = 0;
+    }
+}
+
+void pressButton()
+{
+    startChecker.attach(&start, 3.0);
+}
+
+void releaseButton()
+{
+    startChecker.detach();
+}
+
+int main()
+{
+    rgbLED[0] = rgbLED[1] = rgbLED[2] = 1;
+    rgbLED[0] = 0;
+    rgbLED[1] = 1;
+    
+    fireInterrupt.rise(pressButton);
+    fireInterrupt.fall(releaseButton);
+    
+    lcdDisplay.set_font((unsigned char*) Arial_9);
+    
+    while(1)
+    {
+        if(boardStarted && !tempThreadRunning)
+        {
+            temp_thread.start(tmpThread);
+        }
+        
+        if(boardStarted && !gyroThreadRunning)
+        {
+            gyro_thread.start(gyroThread);
+        }
+        
+        if(!boardStarted)
+        {
+            lcdMutex.lock();
+            lcdDisplay.cls();
+            lcdMutex.unlock();
+        }
+    }
+}