M5Stack Espruino initialization example

M5Stack_Espruino.js

/*
Also, need to change in ILI9341pal.js:
  var LCD_WIDTH = 320;
  var LCD_HEIGHT = 240;
*/

BTN1 = D39
BTN2 = D38
BTN3 = D37
SPKR = D25

ILI9341 = {
  LIGHT: D32,
  RST:   D33,
  DC:    D27,
  CS:    D14,
}

TFCARD = {
  CS:    D4,
}

MPU9250 = {
  SDA:   D21,
  SCL:   D22,
}

// Stop the noise
SPKR.write(0)

// Configure hardware SPI (currently slow on Espruino)
//var spi = SPI2;
//spi.setup({ sck: D18, miso: D19, mosi: D23, baud: 24000000 });

// Configure software SPI
var spi = new SPI();
spi.setup({ sck: D18, mosi: D23 });

// Turn on backlight
analogWrite(ILI9341.LIGHT, 0.1)

var palette = new Uint16Array([0xFFFF, 0xF800, 0x001F, 0x0000]);
var g = require("ILI9341pal").connect(
  palette, spi, ILI9341.DC, ILI9341.CS, ILI9341.RST,
function() {
  g.setRotation(0, true)
  g.clear();
  g.setFontVector(20);
  g.setColor(1);
  g.drawString("Espruino",0,10);
  g.setColor(2);
  g.drawString("Blynk",0,40);
  g.flip();
  print('Draw OK')
});