Elecia White / Mbed 2 deprecated FistfulOfWires

A somewhat silly project that uses an LPC11U24 to control the system, a Neopixel stick to provide light, and a sound FX board with a small speaker to make noise. I set the pins to inputs with pull-ups then connected 14 jumper wires to ground. Every time a wire was disconnected, the system changed its lighting pattern: color, blink timing, blink pattern (blink to white, black, random, or opposite the main color). The system also played a random audio clip. More details on http://embedded.fm/blog/2016/5/24/fistful-of-wires License: CC-A-NC

Dependencies:   PixelArray mbed

LedArrayController.h@1:0a051df78be2, 2016-05-25 (annotated)

Committer:
Elecia
Date:
Wed May 25 03:42:25 2016 +0000
Revision:
1:0a051df78be2
As demonstrated at Bring-A-Hack.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Elecia 1:0a051df78be2 1
Elecia 1:0a051df78be2 2 #define NLED (8)
Elecia 1:0a051df78be2 3 #define COLOR_WHITE 0xFFFFFF
Elecia 1:0a051df78be2 4 #define COLOR_BLACK 0x000000
Elecia 1:0a051df78be2 5
Elecia 1:0a051df78be2 6 extern void AllOneColorLeds(neopixel::Pixel * out, uint32_t index, uintptr_t color);
Elecia 1:0a051df78be2 7
Elecia 1:0a051df78be2 8 class LedArrayController {
Elecia 1:0a051df78be2 9 public:
Elecia 1:0a051df78be2 10 LedArrayController(BusIn *bus, neopixel::PixelArray *array) : mBus(bus), mArray(array)
Elecia 1:0a051df78be2 11 {
Elecia 1:0a051df78be2 12 mBus->mode(PullUp);
Elecia 1:0a051df78be2 13
Elecia 1:0a051df78be2 14 }
Elecia 1:0a051df78be2 15 void Stop()
Elecia 1:0a051df78be2 16 {
Elecia 1:0a051df78be2 17 mTimer.detach();
Elecia 1:0a051df78be2 18 }
Elecia 1:0a051df78be2 19 void OnChangeMode(uint32_t baseColor)
Elecia 1:0a051df78be2 20 {
Elecia 1:0a051df78be2 21 // 000 001 010 011 100 101 110, 111
Elecia 1:0a051df78be2 22 const float mBlinkTiming[] = {1.0, 0.1, 0.5, 0.0, 2.0, 0.0, 0.0, 5.0};
Elecia 1:0a051df78be2 23 mBaseColor = baseColor;
Elecia 1:0a051df78be2 24 mIsBaseColor = false;
Elecia 1:0a051df78be2 25 mBehavior.value = *mBus;
Elecia 1:0a051df78be2 26
Elecia 1:0a051df78be2 27 Update();
Elecia 1:0a051df78be2 28
Elecia 1:0a051df78be2 29 mTiming = mBlinkTiming[mBehavior.timingIndex];
Elecia 1:0a051df78be2 30 if (mTiming > 0.0f)
Elecia 1:0a051df78be2 31 {
Elecia 1:0a051df78be2 32 mTimer.attach(this, &LedArrayController::Update, mTiming);
Elecia 1:0a051df78be2 33 } else {
Elecia 1:0a051df78be2 34 mTimer.detach();
Elecia 1:0a051df78be2 35 }
Elecia 1:0a051df78be2 36 }
Elecia 1:0a051df78be2 37 void Update() {
Elecia 1:0a051df78be2 38 // called by timer for updating LEDs:
Elecia 1:0a051df78be2 39 if (mIsBaseColor)
Elecia 1:0a051df78be2 40 {
Elecia 1:0a051df78be2 41 switch (mBehavior.type) {
Elecia 1:0a051df78be2 42 case (BLINK_TO_WHITE):
Elecia 1:0a051df78be2 43 mArray->update(AllOneColorLeds, NLED, COLOR_WHITE);
Elecia 1:0a051df78be2 44 break;
Elecia 1:0a051df78be2 45 case (BLINK_TO_BLACK):
Elecia 1:0a051df78be2 46 mArray->update(AllOneColorLeds, NLED, COLOR_BLACK);
Elecia 1:0a051df78be2 47 break;
Elecia 1:0a051df78be2 48 case (BLINK_TO_RANDOM):
Elecia 1:0a051df78be2 49 mArray->update(AllOneColorLeds, NLED, (rand() & COLOR_WHITE));
Elecia 1:0a051df78be2 50 break;
Elecia 1:0a051df78be2 51 case (BLINK_TO_OPPOSITE):
Elecia 1:0a051df78be2 52 mArray->update(AllOneColorLeds, NLED, ~mBaseColor);
Elecia 1:0a051df78be2 53 break;
Elecia 1:0a051df78be2 54 }
Elecia 1:0a051df78be2 55 mIsBaseColor = false;
Elecia 1:0a051df78be2 56
Elecia 1:0a051df78be2 57 } else {
Elecia 1:0a051df78be2 58 // set to base color
Elecia 1:0a051df78be2 59 mArray->update(AllOneColorLeds, NLED, mBaseColor);
Elecia 1:0a051df78be2 60 mIsBaseColor = true;
Elecia 1:0a051df78be2 61 }
Elecia 1:0a051df78be2 62 mTimer.attach(this, &LedArrayController::Update, mTiming);
Elecia 1:0a051df78be2 63
Elecia 1:0a051df78be2 64 }
Elecia 1:0a051df78be2 65 private:
Elecia 1:0a051df78be2 66 float mTiming;
Elecia 1:0a051df78be2 67 BusIn *mBus;
Elecia 1:0a051df78be2 68 neopixel::PixelArray *mArray;
Elecia 1:0a051df78be2 69 Timeout mTimer;
Elecia 1:0a051df78be2 70 bool mIsBaseColor;
Elecia 1:0a051df78be2 71 uint32_t mBaseColor;
Elecia 1:0a051df78be2 72 typedef enum {BLINK_TO_WHITE=0, BLINK_TO_BLACK=1, BLINK_TO_RANDOM=2, BLINK_TO_OPPOSITE=3 } eBlinkType;
Elecia 1:0a051df78be2 73 union {
Elecia 1:0a051df78be2 74 struct {
Elecia 1:0a051df78be2 75 uint32_t timingIndex:3;
Elecia 1:0a051df78be2 76 uint32_t type:2;
Elecia 1:0a051df78be2 77 uint32_t junk:28;
Elecia 1:0a051df78be2 78 };
Elecia 1:0a051df78be2 79 uint32_t value;
Elecia 1:0a051df78be2 80 } mBehavior;
Elecia 1:0a051df78be2 81 };
Elecia 1:0a051df78be2 82