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https://github.com/DarkFlippers/unleashed-firmware.git
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e27f82f041
* feat: JS GPIO PWM, JS GUI Widget view; fix: JS EvtLoop stop on request, JS EvtLoop stop on error * fix: f18 build * docs: widget * fix: js unit test * change feature naming Co-authored-by: あく <alleteam@gmail.com>
66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
let eventLoop = require("event_loop");
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let gpio = require("gpio");
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// initialize pins
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let led = gpio.get("pc3"); // same as `gpio.get(7)`
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let led2 = gpio.get("pa7"); // same as `gpio.get(2)`
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let pot = gpio.get("pc0"); // same as `gpio.get(16)`
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let button = gpio.get("pc1"); // same as `gpio.get(15)`
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led.init({ direction: "out", outMode: "push_pull" });
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pot.init({ direction: "in", inMode: "analog" });
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button.init({ direction: "in", pull: "up", inMode: "interrupt", edge: "falling" });
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// blink led
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print("Commencing blinking (PC3)");
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eventLoop.subscribe(eventLoop.timer("periodic", 1000), function (_, _item, led, state) {
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led.write(state);
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return [led, !state];
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}, led, true);
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// cycle led pwm
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print("Commencing PWM (PA7)");
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eventLoop.subscribe(eventLoop.timer("periodic", 10), function (_, _item, led2, state) {
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led2.pwmWrite(10000, state);
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return [led2, (state + 1) % 101];
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}, led2, 0);
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// read potentiometer when button is pressed
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print("Press the button (PC1)");
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eventLoop.subscribe(button.interrupt(), function (_, _item, pot) {
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print("PC0 is at", pot.readAnalog(), "mV");
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}, pot);
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// the program will just exit unless this is here
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eventLoop.run();
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// possible pins https://docs.flipper.net/gpio-and-modules#miFsS
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// "PA7" aka 2
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// "PA6" aka 3
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// "PA4" aka 4
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// "PB3" aka 5
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// "PB2" aka 6
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// "PC3" aka 7
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// "PA14" aka 10
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// "PA13" aka 12
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// "PB6" aka 13
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// "PB7" aka 14
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// "PC1" aka 15
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// "PC0" aka 16
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// "PB14" aka 17
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// possible modes
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// { direction: "out", outMode: "push_pull" }
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// { direction: "out", outMode: "open_drain" }
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// { direction: "out", outMode: "push_pull", altFn: true }
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// { direction: "out", outMode: "open_drain", altFn: true }
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// { direction: "in", inMode: "analog" }
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// { direction: "in", inMode: "plain_digital" }
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// { direction: "in", inMode: "interrupt", edge: "rising" }
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// { direction: "in", inMode: "interrupt", edge: "falling" }
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// { direction: "in", inMode: "interrupt", edge: "both" }
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// { direction: "in", inMode: "event", edge: "rising" }
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// { direction: "in", inMode: "event", edge: "falling" }
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// { direction: "in", inMode: "event", edge: "both" }
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// all variants support an optional `pull` field which can either be undefined,
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// "up" or "down"
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