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Added a LED toggle demo fpr RP-2040-Zero #1

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52 changes: 15 additions & 37 deletions index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -28,51 +28,29 @@
}
}).then(async board => {
globalThis.board = board;

// there is an active state
console.info('Board active', board.active);

// once initialized, the REPL welcome message can be
// fully ignored or showed
show(await board.output);

// this works for any Python code
toggle.disabled = false;
await board.write(dedent(`
import sys

print(sys.version)
print(sys.implementation._machine)
import machine, neopixel
pixel_pin = 16
pixel = neopixel.NeoPixel(machine.Pin(pixel_pin), 1)
`));

const lines = (await board.output).split(/[\r\n]+/);
show(lines.slice(-3).join('\n'));

// each `write` wait for a result
await board.write('help()');
// where the output can be read
show(await board.output);

await board.write('print("bye bye")');

// we can close it without errors
await board.close();

// once closed it throws on write and read
// but the result would be still there
console.info('Board active', board.active);

// the final line/result remains though
const result = await board.result;
if (/^\S+?Error: /.test(result))
console.warn(result);
else
console.info('last result', result);
});
};

let active = false;
toggle.onclick = () => {
active = !active;
board.write(dedent(`
pixel[0] = (${active ? '255, 255, 255' : '0, 0, 0'})
pixel.write()
`));
};

</script>
</head>
<body>
<button id="connect">connect</button>
<button id="toggle" disabled>LED toggle</button>
<pre id="output"></pre>
</body>
</html>
5 changes: 3 additions & 2 deletions mpy/index.html
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Expand Up @@ -6,12 +6,13 @@
<title>PyScript - MicroPython REPL Demo</title>
<link rel="stylesheet" href="../css/index.css">
<!-- PyScript -->
<link rel="stylesheet" href="https://pyscript.net/releases/2024.4.2/core.css">
<script type="module" src="https://pyscript.net/releases/2024.4.2/core.js"></script>
<link rel="stylesheet" href="https://pyscript.net/releases/2024.5.1/core.css">
<script type="module" src="https://pyscript.net/releases/2024.5.1/core.js"></script>
</head>
<body>
<script type="mpy" src="index.py" config="index.toml"></script>
<button id="connect">connect</button>
<button id="toggle" disabled>LED toggle</button>
<pre id="output"></pre>
</body>
</html>
67 changes: 29 additions & 38 deletions mpy/index.py
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Original file line number Diff line number Diff line change
@@ -1,48 +1,39 @@
from pyscript import document, window
from pyscript import document

from pyscript.ffi import to_js
from pyscript.js_modules.dedent import default as dedent
from pyscript.js_modules.micro_repl import default as init

connect, output, = document.querySelectorAll("#connect, #output")

def once_closed(error):
connect.disabled = False
if (error):
window.console.warn(error)

def show(content):
code = document.createElement("code")
code.textContent = content
output.append(code)
active = False
board = None
connect, toggle, = document.querySelectorAll("#connect, #toggle")

async def ontoggle(e):
global active, board
active = not active
if active:
R = 255
G = 255
B = 255
else:
R = 0
G = 0
B = 0
await board.write(dedent(f"""
pixel[0] = ({R},{G},{B})
pixel.write()
"""))

async def onclick(event):
global board
connect.disabled = True
output.replaceChildren()
spike3 = await init(to_js({ "onceClosed": once_closed }))
print('Spike3 active', spike3.active)
show(await spike3.output)
await spike3.write('help()')
show(await spike3.output)
await spike3.write(dedent("""
from hub import light_matrix
import runloop

async def main():
await light_matrix.write("Hello World!")

runloop.run(main())
"""))
await spike3.write(dedent("""
def test():
return 1 + 2

print(test())
board = await init()
toggle.disabled = False
toggle.onclick = ontoggle
print('Board active', board.active)
await board.write(dedent("""
import machine, neopixel
pixel_pin = 16
pixel = neopixel.NeoPixel(machine.Pin(pixel_pin), 1)
"""))
show(await spike3.output)
await spike3.close()
print('Spike3 active', spike3.active)
result = await spike3.result
print('last result', result)

connect.onclick = onclick
2 changes: 1 addition & 1 deletion mpy/index.toml
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@@ -1,3 +1,3 @@
[js_modules.main]
"https://cdn.jsdelivr.net/npm/codedent/es.js" = "dedent"
"https://esm.run/micro-repl" = "micro_repl"
"../micro-repl.js" = "micro_repl"