Diff: main.cpp

Revision:

9:c3d4c7059979

Parent:

8:77fd54b4864c

Child:

11:b12ce020d1ba

Child:

12:cce8984e5569

--- a/main.cpp	Sat Sep 21 20:49:33 2013 +0000
+++ b/main.cpp	Sat Sep 21 21:26:02 2013 +0000
@@ -1,5 +1,6 @@
 #include <queue>
 #include <algorithm>
+#include <string>
 
 #include "mbed.h"
 
@@ -347,7 +348,7 @@
 
     virtual void Run() {
         supervisor.CurrentProgramDone();
-        led2 = 1;
+        if (this == g_watchdog) led2 = 1;
     }
 
 } g_watchdog_impl;
@@ -400,6 +401,88 @@
     bool done_[6];
 };
 
+class WalkingFade : public Schedulable
+{
+public:
+    WalkingFade(int start_time, int led, int stride, int end, uint8_t a, uint8_t b, bool fast)
+        : led_(led), stride_(stride), end_(end), a_(a), b_(b), fast_(fast) {
+        time_ = start_time;
+        Schedule(this);
+    }
+
+    virtual void Run() {
+        if (led_ >= end_ || led_ < 0) {
+            delete this;
+            return;
+        }
+        strip[led_] = getcolor(a_, b_);
+        led_ += stride_;
+        if (fast_) {
+            strip[led_] |= FAST;
+            time_ += 128;
+        } else {
+            time_ += 256;
+        }
+        strip_changed = true;
+        Schedule(this);
+    }
+
+private:
+    int led_, stride_, end_;
+    uint8_t a_,b_;
+    bool fast_, step_;
+};
+
+
+class MorseGoogleProgram : public Schedulable {
+public:
+    virtual void Run() {
+        const string code = "W.... .- .--. .--. -.-- / -... .. .-. - .... -.. .- -.-- --..-- / B--. R--- Y--- B--. G.-.. R.   ";
+        const int kSpaceTime = 3*256;
+        const int kLedStart = 150;
+        const int kStride = -2;
+        const int kHalfStrideTime = 64;
+        const int kDotSpaceTime = 256;
+        int time = global_tick;
+        uint8_t color = WHITE;
+        for (int i = 0; i < code.size(); i++) {
+            switch (code[i]) {
+                case 'R': color = RED ; break;
+                case 'G': color = GREEN ; break;
+                case 'B': color = BLUE ; break;
+                case 'Y': color = YELLOW ; break;
+                case 'W': color = WHITE ; break;
+                case 'C': color = CYAN ; break;
+                case 'M': color = MAGENTA ; break;
+                case '.': {
+                    new WalkingFade(time, kLedStart, kStride, 160, BLACK, color, true); time += kHalfStrideTime;
+                    new WalkingFade(time, kLedStart - 1, kStride, 160, BLACK, color, true); time += kHalfStrideTime;
+                    new WalkingFade(time, kLedStart, kStride, 160, color, BLACK, true); time += kHalfStrideTime;
+                    new WalkingFade(time, kLedStart - 1, kStride, 160, color, BLACK, true); time += kHalfStrideTime;
+                    time += kDotSpaceTime;
+                    break;
+                }
+                case '-': {
+                    new WalkingFade(time, kLedStart, kStride, 160, BLACK, color, true); time += kHalfStrideTime;
+                    new WalkingFade(time, kLedStart - 1, kStride, 160, BLACK, color, true); time += kHalfStrideTime;
+                    time += 3 * kHalfStrideTime;  // should create three complete pixels
+                    new WalkingFade(time, kLedStart, kStride, 160, color, BLACK, true); time += kHalfStrideTime;
+                    new WalkingFade(time, kLedStart - 1, kStride, 160, color, BLACK, true); time += kHalfStrideTime;
+                    time += kDotSpaceTime;
+                    break;
+                }
+                case '/': // fall-through
+                case ' ': time += kSpaceTime; break;
+            }
+        }
+        finaliser_.time_ = time + kLedStart * kHalfStrideTime + 2000;
+        Schedule(&finaliser_);
+    }
+
+private:
+    ProgramWatchdog finaliser_;        
+};
+
 
 void init_board()
 {
@@ -440,7 +523,8 @@
     init_board();
     g_watchdog = &g_watchdog_impl;
     
-    MultiDropBucketFillProgram multi_drop;
+    //MultiDropBucketFillProgram multi_drop;
+    MorseGoogleProgram morse;
     
     supervisor.ScheduleProgram();