updated docs

docs/reference/basic.md

@@ -2,7 +2,6 @@
 
 Provides access to basic micro:bit functionality.
 
-
 ```cards
 basic.showNumber(0);
 basic.showLeds(`

docs/reference/control.md

@@ -1,7 +1,6 @@
 # Control
 
-
-
+Runtime and event utilities.
 
 ```cards
 control.inBackground(() => {

docs/reference/game.md

@@ -1,7 +1,6 @@
 # Game
 
-
-
+A single-LED sprite game engine
 
 ```cards
 game.addScore(1);

docs/reference/images.md

@@ -1,7 +1,6 @@
 # Images
 
-
-
+Creation, manipulation and display of LED images.
 
 ```cards
 images.createImage(`

docs/reference/input.md

@@ -1,7 +1,6 @@
 # Input
 
-
-
+Events and data from sensors
 
 ```cards
 input.onButtonPressed(Button.A, () => {

docs/reference/led.md

@@ -1,7 +1,6 @@
 # Led
 
-
-
+Control of the LED screen.
 
 ```cards
 led.plot(0, 0);
@@ -10,7 +9,7 @@ led.point(0, 0);
 led.brightness();
 led.setBrightness(255);
 led.stopAnimation();
-led.plotBarGraph(0, 1023);
+led.plotBarGraph(0, 0);
 led.fadeIn();
 led.fadeOut();
 led.plotAll();

docs/reference/music.md

@@ -1,14 +1,13 @@
 # Music
 
-
-
+Generation of music tones through pin ``P0``.
 
 ```cards
 music.playTone(0, 0);
 music.ringTone(0);
 music.rest(0);
 music.noteFrequency(Note.C);
-music.beat();
+music.beat(BeatFraction.Whole);
 music.tempo();
 music.changeTempoBy(20);
 music.setTempo(120);

docs/reference/pins.md

@@ -1,7 +1,6 @@
 # Pins
 
-
-
+Control currents in Pins for analog/digital signals, servos, i2c, ...
 
 ```cards
 pins.digitalReadPin(DigitalPin.P0);

docs/reference/serial.md

@@ -1,8 +1,8 @@
 # Serial
 
-[Serial communication](/device/serial) between the BBC micro:bit and another computer.
+Reading and writing data over a serial connection.
 
 ```cards
+serial.writeValue(x, 0);
 serial.writeLine("");
-serial.writeValue("x", 0);
 ```