PicoSystem

A Kaluma library for Pimoroni's PicoSystem, pocket-sized handheld gaming console.

• BOOTSEL : Keep pressing Button X and turn on power.
• SKIP CODE LOADING : Keep pressing Left Button and turn on power. (Don't want to load JavaScript code stored in the flash)

Usage

Here is some code examples:

const {PicoSystem, Input} = require('picosystem');
const pico = new PicoSystem();

// Initialize
pico.init();

// Graphics
pico.gc.setFillColor(pico.gc.color16(255, 255, 255));
pico.gc.fillRect(0, 0, 240, 240);
pico.gc.display();

// Buttons
// - synchronous
let a = pico.input(Input.A);
console.log(a); // 1 = on, 0 = off
// - asynchronous
setWatch(() => {
  console.log('A clicked');
}, Input.A, FALLING);

// Sound
pico.tone(400, 1000); // 400Hz 1sec

Sample Game (Tetris)

Tetris is provided as a sample game in game/tetris.js.

kaluma flash ./game/tetris.js --bundle --port <port>

API

Class: PicoSystem

A class for PicoSystem.

new PicoSystem()

Create an instance of PicoSystem class.

const {PicoSystem} = require('picosystem');
const pico = new PicoSystem();
pico.init();
// ...

picosystem.gc

• <BufferedGraphicContext> An instance of BufferedGraphicContext for the LCD display.

picosystem.init()

Initialize the PicoSystem.

picosystem.input(pin)

• pin <number> The pin number to read state.

Read the state of the input button.

picosystem.backlight(onoff)

• onoff <boolean> Turn on or off the LCD's backlight.

picosystem.tone(freq, duration)

• freq <number> Frequency.
• duration <number> Time duration.

Generate sound on the PicoSystem's buzzer.

Object:Input

Input.A

• <number> The pin number for Button A.

Input.B

• <number> The pin number for Button B.

Input.X

• <number> The pin number for Button X.

Input.Y

• <number> The pin number for Button Y.

Input.UP

• <number> The pin number for the joypad up.

Input.DOWN

• <number> The pin number for the joypad down.

Input.LEFT

• <number> The pin number for the joypad left.

Input.RIGHT

• <number> The pin number for the joypad right.

Audio

• <number> The pin number for the PicoSystem' buzzer.