mirror of https://github.com/espruino/BangleApps
75 lines
1.8 KiB
JavaScript
75 lines
1.8 KiB
JavaScript
var storage = require('Storage');
|
|
const settings = storage.readJSON('setting.json',1) || { HID: false };
|
|
|
|
var sendInProgress = false; // Only send one message at a time, do not flood
|
|
|
|
const sendHid = function (x, y, btn1, btn2, btn3, btn4, btn5, cb) {
|
|
try {
|
|
const buttons = (btn5<<4) | (btn4<<3) | (btn3<<2) | (btn2<<1) | (btn1<<0);
|
|
if (!sendInProgress) {
|
|
sendInProgress = true;
|
|
NRF.sendHIDReport([buttons, x, y], () => {
|
|
sendInProgress = false;
|
|
if (cb) cb();
|
|
});
|
|
}
|
|
} catch(e) {
|
|
print(e);
|
|
}
|
|
};
|
|
|
|
function drawApp() {
|
|
g.clear();
|
|
g.setFont("6x8",2);
|
|
g.setFontAlign(0,0);
|
|
g.drawString("Joystick", 120, 120);
|
|
const d = g.getWidth() - 18;
|
|
|
|
function c(a) {
|
|
return {
|
|
width: 8,
|
|
height: a.length,
|
|
bpp: 1,
|
|
buffer: (new Uint8Array(a)).buffer
|
|
};
|
|
}
|
|
|
|
g.drawImage(c([16,56,124,254,16,16,16,16]),d,40);
|
|
g.drawImage(c([16,16,16,16,254,124,56,16]),d,194);
|
|
g.drawImage(c([0,8,12,14,255,14,12,8]),d,116);
|
|
}
|
|
|
|
function update() {
|
|
const btn1 = BTN1.read();
|
|
const btn2 = BTN2.read();
|
|
const btn3 = BTN3.read();
|
|
const btn4 = BTN4.read();
|
|
const btn5 = BTN5.read();
|
|
const acc = Bangle.getAccel();
|
|
var x = acc.x*-127;
|
|
var y = acc.y*-127;
|
|
|
|
// check limits
|
|
if (x > 127) x = 127;
|
|
else if (x < -127) x = -127;
|
|
if (y > 127) y = 127;
|
|
else if (y < -127) y = -127;
|
|
|
|
sendHid(x & 0xff, y & 0xff, btn1, btn2, btn3, btn4, btn5);
|
|
}
|
|
|
|
if (settings.HID === "joy") {
|
|
drawApp();
|
|
setInterval(update, 100); // 10 Hz
|
|
} else {
|
|
E.showPrompt("Enable HID?",{title:"HID disabled"}).then(function(enable) {
|
|
if (enable) {
|
|
settings.HID = "joy";
|
|
storage.write('setting.json', settings);
|
|
setTimeout(load, 1000, "hidjoystick.app.js");
|
|
} else {
|
|
setTimeout(load, 1000);
|
|
}
|
|
});
|
|
}
|