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4 Commits
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db29624a45 | ||
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0f2c749f6d | ||
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52f2d0c491 | ||
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2f58c41cc8 |
@@ -2,14 +2,75 @@
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<html>
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<head>
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<title>Microdot GPIO Example</title>
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<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
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<script>
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function getCookie(name) {
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var value = "; " + document.cookie;
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var parts = value.split("; " + name + "=");
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if (parts.length == 2)
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return parts.pop().split(";").shift();
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}
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function showMessage() {
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document.getElementById('message').innerHTML = getCookie('message');
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}
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function onLoad() {
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showMessage();
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var form = getCookie('form');
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if (form) {
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form = form.split(',')
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document.getElementById('pin').selectedIndex = parseInt(form[0]);
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document.getElementById(form[1]).checked = true;
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}
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}
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</script>
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</head>
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<body>
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<h1>Microdot GPIO Example</h1>
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<form method="POST" action="">
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<p>GPIO Pin: <input type="text" name="pin" size="3"></p>
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<input type="submit" name="read" value="Read">
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<input type="submit" name="set-low" value="Set Low">
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<input type="submit" name="set-high" value="Set high">
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</form>
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<body onload="onLoad();">
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<div class="container">
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<h1>Microdot GPIO Example</h1>
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<div class="alert alert-primary" role="alert" id="message">
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</div>
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<form method="POST" action="">
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<p>
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GPIO Pin:
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<select name="pin" id="pin">
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<option>0</option>
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<option>1</option>
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<option>2</option>
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<option>3</option>
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<option>4</option>
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<option>5</option>
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<option>6</option>
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<option>7</option>
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<option>8</option>
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<option>9</option>
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<option>10</option>
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<option>11</option>
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<option>12</option>
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<option>13</option>
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<option>14</option>
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<option>15</option>
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<option>16</option>
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</select>
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</p>
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<div>
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<p>
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<input type="radio" name="pull" value="pullup" id="pullup">
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<label for="pullup">Pull-Up</label>
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<input type="radio" name="pull" value="pulldown" id="pulldown">
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<label for="pulldown">Pull-Down</label>
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<input type="radio" name="pull" value="pullnone" id="pullnone" checked>
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<label for="pullnone">None</label>
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<br>
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<input type="submit" class="btn btn-outline-dark" name="read" value="Read">
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</p>
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</div>
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<div>
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<p>
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<input type="submit" class="btn btn-outline-dark" name="set-low" value="Set Low">
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<input type="submit" class="btn btn-outline-dark" name="set-high" value="Set high">
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</p>
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</div>
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</form>
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</div>
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</body>
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</html>
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@@ -6,14 +6,38 @@ app = Microdot()
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@app.route('/', methods=['GET', 'POST'])
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def index(request):
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form_cookie = None
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message_cookie = None
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if request.method == 'POST':
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if 'set-read' in request.form:
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pin = machine.Pin(int(request.form['pin']), machine.Pin.IN)
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form_cookie = '{pin},{pull}'.format(pin=request.form['pin'],
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pull=request.form['pull'])
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if 'read' in request.form:
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pull = None
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if request.form['pull'] == 'pullup':
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pull = machine.Pin.PULL_UP
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elif request.form['pull'] == 'pulldown':
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pull = machine.Pin.PULL_DOWN
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pin = machine.Pin(int(request.form['pin']), machine.Pin.IN, pull)
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message_cookie = 'Input pin {pin} is {state}.'.format(
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pin=request.form['pin'],
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state='high' if pin.value() else 'low')
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else:
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pin = machine.Pin(int(request.form['pin']), machine.Pin.OUT)
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pin.value(0 if 'set-low' in request.form else 1)
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return redirect('/')
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return send_file('gpio.html')
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value = 0 if 'set-low' in request.form else 1
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pin.value(value)
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message_cookie = 'Output pin {pin} is now {state}.'.format(
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pin=request.form['pin'],
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state='high' if value else 'low')
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response = redirect('/')
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else:
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if 'message' not in request.cookies:
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message_cookie = 'Select a pin and an operation below.'
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response = send_file('gpio.html')
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if form_cookie:
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response.set_cookie('form', form_cookie)
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if message_cookie:
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response.set_cookie('message', message_cookie)
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return response
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app.run()
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39
microdot.py
39
microdot.py
@@ -63,7 +63,7 @@ class Request():
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self.content_type = value
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elif header == 'Cookie':
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for cookie in self.headers['Cookie'].split(';'):
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name, value = cookie.split('=', 1)
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name, value = cookie.strip().split('=', 1)
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self.cookies[name] = value
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# body
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@@ -243,6 +243,7 @@ class URLPattern():
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class Microdot():
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def __init__(self) :
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self.url_map = []
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self.error_handlers = {}
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def route(self, url_pattern, methods=None):
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def decorated(f):
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@@ -251,6 +252,12 @@ class Microdot():
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return f
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return decorated
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def errorhandler(self, status_code_or_exception_class):
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def decorated(f):
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self.error_handlers[status_code_or_exception_class] = f
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return f
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return decorated
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def run(self, host='0.0.0.0', port=5000):
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s = socket.socket()
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ai = socket.getaddrinfo(host, port)
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@@ -271,14 +278,28 @@ class Microdot():
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if args is not None:
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f = route_handler
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break
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if f:
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resp = f(req, **args)
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if isinstance(resp, tuple):
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resp = Response(*resp)
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elif not isinstance(resp, Response):
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resp = Response(resp)
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resp.write(req.client_stream)
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req.close()
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try:
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if f:
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resp = f(req, **args)
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elif 404 in self.error_handlers:
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resp = self.error_handlers[404](req)
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else:
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resp = 'Not found', 404
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except Exception as exc:
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resp = None
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if exc.__class__ in self.error_handlers:
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try:
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resp = self.error_handlers[exc.__class__](req, exc)
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except:
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pass
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if resp is None:
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resp = 'Internal server error', 500
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if isinstance(resp, tuple):
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resp = Response(*resp)
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elif not isinstance(resp, Response):
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resp = Response(resp)
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resp.write(req.client_stream)
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req.close()
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redirect = Response.redirect
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