3 activies from curriculum (#194)

* 3 activies from curriculum

* fixing style

docs/coding.md

@@ -0,0 +1,28 @@
+# Coding Activites
+
+12 computer science activities, with cross-curricular opportunities in design and technology, science, and math.
+
+* [Download Curriculum Materials](https://education.lego.com/en-us/downloads/mindstorms-ev3)
+
+## Activites
+
+```codecard
+[
+{
+  "name": "Three Point Turn",
+  "description": "Activity 1",
+  "url":"/coding/three-point-turn-1",
+  "cardType": "example"
+}, {
+  "name": "Three Point Turn",
+  "description": "Activity 1",
+  "url":"/coding/three-point-turn-2",
+  "cardType": "example"
+}, {
+  "name": "Three Point Turn",
+  "description": "Activity 1",
+  "url":"/coding/three-point-turn-3",
+  "cardType": "example"
+}    
+]
+```

docs/coding/three-point-turn-1.md

@@ -0,0 +1,12 @@
+# Three Point Turn Activity 1
+
+```blocks
+brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
+    motors.largeBC.tank(75, 30)
+    loops.pause(1500)
+    motors.largeBC.tank(-30, -75)
+    loops.pause(1000)
+    motors.largeBC.tank(50, 50)
+    loops.pause(3000)
+})
+```

docs/coding/three-point-turn-2.md

@@ -0,0 +1,14 @@
+# Three Point Turn Activity 2
+
+```blocks
+brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
+    motors.largeBC.tank(75, 30)
+    loops.pause(1500)
+    motors.largeBC.tank(-30, -75)
+    sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
+    motors.largeBC.tank(0, 0)
+    loops.pause(1000)
+    motors.largeBC.tank(50, 50)
+    loops.pause(3000)
+})
+```

docs/coding/three-point-turn-3.md

@@ -0,0 +1,15 @@
+# Three Point Turn Activity 3
+
+```blocks
+brick.buttonEnter.onEvent(ButtonEvent.Click, function () {
+    motors.largeBC.tank(75, 30)
+    loops.pause(1500)
+    motors.largeBC.tank(-30, -75)
+    sensors.ultrasonic4.pauseUntil(UltrasonicSensorEvent.ObjectNear);
+    motors.largeBC.tank(0, 0)
+    music.playSoundEffect(sounds.animalsDogBark1)
+    loops.pause(1000)
+    motors.largeBC.tank(50, 50)
+    loops.pause(3000)
+})
+```

libs/core/_locales/core-strings.json

@@ -15,6 +15,7 @@
   "MoveUnit.Degrees|block": "degrees",
   "MoveUnit.MilliSeconds|block": "milliseconds",
   "MoveUnit.Rotations|block": "rotations",
+  "MoveUnit.Seconds|block": "seconds",
   "Output.AB|block": "A+B",
   "Output.AD|block": "A+D",
   "Output.ALL|block": "All",

libs/core/output.ts

@@ -30,6 +30,8 @@ enum MoveUnit {
     Rotations,
     //% block="degrees"
     Degrees,
+    //% block="seconds"
+    Seconds,
     //% block="milliseconds"
     MilliSeconds
 }
@@ -246,6 +248,10 @@ namespace motors {
                     stepsOrTime = value >> 0;
                     useSteps = true;
                     break;
+                case MoveUnit.Seconds:
+                    stepsOrTime = (value * 1000) >> 0;
+                    useSteps = false;
+                    break;
                 default:
                     stepsOrTime = value;
                     useSteps = false;
@@ -265,7 +271,7 @@ namespace motors {
             readPWM(buf)
             const flags = buf.getNumber(NumberFormat.UInt8LE, 2);
             // TODO: FIX with ~ support
-            for(let i = 0; i < DAL.NUM_OUTPUTS; ++i) {
+            for (let i = 0; i < DAL.NUM_OUTPUTS; ++i) {
                 const flag = 1 << i;
                 if ((this._port & flag) && (flags & flag))
                     return false;
@@ -505,7 +511,7 @@ namespace motors {
             this.steerFor(turnRatio, speed, value, unit);
         }
 
-        
+
         /**
          * Turns the motor and the follower motor by a number of rotations
          * @param turnRatio the ratio of power sent to the follower motor, from ``-200`` to ``200``, eg: 0
@@ -554,6 +560,10 @@ namespace motors {
                     stepsOrTime = value >> 0;
                     useSteps = true;
                     break;
+                case MoveUnit.Seconds:
+                    stepsOrTime = (value * 1000) >> 0;
+                    useSteps = false;
+                    break;
                 default:
                     stepsOrTime = value >> 0;
                     useSteps = false;
@@ -567,7 +577,7 @@ namespace motors {
                 stepsOrTime: stepsOrTime,
                 useBrake: this._brake
             });
-        }        
+        }
 
         /**
          * Returns the name(s) of the motor

targetconfig.json

@@ -8,6 +8,7 @@
         ]
     },
     "galleries": {
-        "Maker Activities": "maker"
+        "Maker Activities": "maker",
+        "Coding Activites": "coding"
     }
 }