Diff: LedArrayController.h

Revision:

1:0a051df78be2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LedArrayController.h	Wed May 25 03:42:25 2016 +0000
@@ -0,0 +1,82 @@
+
+#define NLED (8)
+#define COLOR_WHITE 0xFFFFFF
+#define COLOR_BLACK 0x000000
+
+extern void AllOneColorLeds(neopixel::Pixel * out, uint32_t index, uintptr_t color);
+
+class LedArrayController {
+public:
+    LedArrayController(BusIn *bus, neopixel::PixelArray *array) : mBus(bus), mArray(array)
+    {
+        mBus->mode(PullUp);
+        
+    }
+    void Stop()
+    {
+            mTimer.detach();
+    }
+    void OnChangeMode(uint32_t baseColor)
+    {
+                                   // 000  001  010  011  100  101  110, 111
+        const float mBlinkTiming[] = {1.0, 0.1, 0.5, 0.0, 2.0, 0.0, 0.0, 5.0};
+        mBaseColor = baseColor;
+        mIsBaseColor = false;
+        mBehavior.value = *mBus;
+
+        Update();
+
+        mTiming = mBlinkTiming[mBehavior.timingIndex];
+        if (mTiming > 0.0f)
+        {
+            mTimer.attach(this, &LedArrayController::Update, mTiming); 
+        } else {
+            mTimer.detach();
+        }        
+    }
+    void Update() {
+        // called by timer for updating LEDs:
+        if (mIsBaseColor) 
+        {
+            switch (mBehavior.type) {
+            case (BLINK_TO_WHITE):
+                mArray->update(AllOneColorLeds, NLED, COLOR_WHITE);
+                break;
+            case (BLINK_TO_BLACK):
+                mArray->update(AllOneColorLeds, NLED, COLOR_BLACK);
+                break;
+            case (BLINK_TO_RANDOM):
+                mArray->update(AllOneColorLeds, NLED, (rand() & COLOR_WHITE));
+                break;
+            case (BLINK_TO_OPPOSITE):
+                mArray->update(AllOneColorLeds, NLED, ~mBaseColor);
+                break;
+            }
+            mIsBaseColor = false;
+
+        } else {
+           // set to base color
+            mArray->update(AllOneColorLeds, NLED, mBaseColor);
+            mIsBaseColor = true;           
+        }     
+        mTimer.attach(this, &LedArrayController::Update, mTiming); 
+                   
+    }
+private:
+    float mTiming;
+    BusIn *mBus;
+    neopixel::PixelArray *mArray;
+    Timeout mTimer;
+    bool mIsBaseColor;
+    uint32_t mBaseColor;
+    typedef enum {BLINK_TO_WHITE=0, BLINK_TO_BLACK=1, BLINK_TO_RANDOM=2, BLINK_TO_OPPOSITE=3 } eBlinkType;
+    union {
+        struct {
+            uint32_t timingIndex:3;
+            uint32_t type:2;
+            uint32_t junk:28;
+        };
+        uint32_t value;            
+   } mBehavior;
+};
+