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[rust] rewrite Rust example #3

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Merged
merged 5 commits into from
Jan 20, 2020
Merged

[rust] rewrite Rust example #3

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7686d9a
use get_pin_led
MaxGraey Jan 20, 2020
812c980
rewrite rust example without mut globals
MaxGraey Jan 20, 2020
fb13488
refactor
MaxGraey Jan 20, 2020
301d449
again
MaxGraey Jan 20, 2020
fe927b8
more
MaxGraey Jan 20, 2020
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rewrite rust example without mut globals
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@MaxGraey
MaxGraey committed Jan 20, 2020
commit 812c9805e80e491f12871bd657deecc156120d61
36 changes: 17 additions & 19 deletions wasm_apps/rust/app.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -3,31 +3,29 @@
mod arduino_api;
use arduino_api::*;

static mut LED: u32 = 0;

unsafe fn setup() {
LED = get_pin_led();
pin_mode(LED, OUTPUT);
struct App {
led: u32,
}

unsafe fn run() {
digital_write(LED, HIGH);
delay(100);
digital_write(LED, LOW);
delay(900);
impl App {
fn new() -> Self {
let env = App { led: get_pin_led() };
pin_mode(env.led, OUTPUT);
env
}

fn update(&self) {
digital_write(self.led, HIGH);
delay(100);
digital_write(self.led, LOW);
delay(900);
}
}

/*
* Entry point
*/
#[no_mangle]
pub extern fn _start() {
unsafe {
setup();
loop {
run();
}
}
let app = App::new();
loop { app.update() };
}

#[panic_handler]
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Binary file modified wasm_apps/rust/app.wasm
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33 changes: 15 additions & 18 deletions wasm_apps/rust/app.wasm.h
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Original file line number Diff line number Diff line change
@@ -1,28 +1,25 @@
unsigned char app_wasm[] = {
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};
unsigned int app_wasm_len = 297;
unsigned int app_wasm_len = 259;