The package adds support for the gamer:bit add-on board from SparkFun.
To use this package, go to https://makecode.microbit.org, click Add package and search for gamerbit.
This package is still under development and subject to changes.
- Button pins are named to function.
- Provides button state detection block.
- Runs user code on button changed events.
- Configures pins to pull-up.
The micro:bit pins are named to match gamepad functions:
P0-- D-PAD upP1-- D-PAD leftP2-- D-PAD rightP8-- D-PAD downP12-- Y button (right-hand, left button)P16-- X button (right-hand, right button)P5-- A button (micro:bit, left button)P11-- B button (micro:bit, right button)
The button pins are automatically configured as pull-up when using the package.
Use the logical plug-in blocks to read if the button is pressed.
if (gamerbit.isPressed(GamerBitPin.P0)) {
led.plot(0, 0)
} else {
led.unplot(0, 0)
}
Example turns on LED when button is pressed
Custom code can be run when a button event happens.
They can be triggered on:
- down (pressed)
- up (released)
- clicked (pressed then released)
gamerbit.onEvent(GamerBitPin.P0, GamerBitEvent.Down, () => {
led.plot(0, 0)
})
gamerbit.onEvent(GamerBitPin.P0, GamerBitEvent.Up, () => {
led.unplot(0, 0)
})
Example turns on LED when button is pressed
This program uses the left, right, up buttons and sends the servo angle over radio.
// gamer:bit code
gamerbit.onEvent(GamerBitPin.P0, GamerBitEvent.Down, () => {
// go straight
radio.sendNumber(90)
});
gamerbit.onEvent(GamerBitPin.P1, GamerBitEvent.Down, () => {
// turn left
radio.sendNumber(45)
});
gamerbit.onEvent(GamerBitPin.P2, GamerBitEvent.Down, () => {
// turn right
radio.sendNumber(135)
});
// robot code
radio.onDataPacketReceived( ({ receivedNumber }) => {
pins.servoWritePin(AnalogPin.P0, receivedNumber)
})
The following program creates a bit field from the state of the buttons on the gamer:bit and sends it with the radio. This is meant to be decoded with the moto:bit example to make a simple RC robot.
let packet = 0
basic.forever(() => {
packet = 0
if (gamerbit.isPressed(GamerBitPin.P0)) {
led.plot(1, 0)
packet = packet + 128
} else {
led.unplot(1, 0)
}
if (gamerbit.isPressed(GamerBitPin.P1)) {
led.plot(0, 1)
packet = packet + 64
} else {
led.unplot(0, 1)
}
if (gamerbit.isPressed(GamerBitPin.P2)) {
led.plot(2, 1)
packet = packet + 32
} else {
led.unplot(2, 1)
}
if (gamerbit.isPressed(GamerBitPin.P8)) {
led.plot(1, 2)
packet = packet + 16
} else {
led.unplot(1, 2)
}
if (gamerbit.isPressed(GamerBitPin.P12)) {
led.plot(3, 2)
packet = packet + 8
} else {
led.unplot(3, 2)
}
if (gamerbit.isPressed(GamerBitPin.P16)) {
led.plot(4, 2)
packet = packet + 4
} else {
led.unplot(4, 2)
}
if (gamerbit.isPressed(GamerBitPin.P5)) {
led.plot(3, 0)
packet = packet + 2
} else {
led.unplot(3, 0)
}
if (gamerbit.isPressed(GamerBitPin.P11)) {
led.plot(4, 0)
packet = packet + 1
} else {
led.unplot(4, 0)
}
radio.sendNumber(packet)
})
radio.setGroup(13)
MIT
- for PXT/microbit
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