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Adding lesson10 activity files #1

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113 changes: 113 additions & 0 deletions main.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,113 @@
try:
import usocket as socket
except:
import socket

response_404 = """HTTP/1.0 404 NOT FOUND

<h1>404 Not Found</h1>
"""

response_500 = """HTTP/1.0 500 INTERNAL SERVER ERROR
<h1>500 Internal Server Error</h1>
"""

response_template = """HTTP/1.0 200 OK

%s
"""
import machine
import ntptime, utime
from machine import RTC, Pin
seconds = ntptime.time()
rtc = RTC()
rtc.datetime(utime.localtime(seconds))

adc = machine.ADC(0)

def time():
body = """<html>
<body>
<h1>Time</h1>
<p>%s</p>
</body>
</html>
""" % str(rtc.datetime())

return response_template % body


def dummy():
body = "This is a dummy endpoint"

return response_template % body

#pin = machine.Pin(16, machine.Pin.OUT)

#pin = machine.Pin(10, machine.Pin.IN)
adc = machine.ADC(0)

# def switch():
# body = "{state: " + str(pin.value()) + "}"
# return response_template % body

def light():
body = "value: {}".format(str(adc.read()))
return response_template % body

# def light_on():
# pin.value(1)
# body = "You turned a light on!"
# return response_template % body

# def light_off():
# pin.value(0)
# body = "You turned a light off!"
# return response_template % body

handlers = {
'time': time,
'dummy': dummy,
'light': light,
}

def main():
s = socket.socket()
ai = socket.getaddrinfo("0.0.0.0", 8080)
addr = ai[0][-1]

s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

s.bind(addr)
s.listen(5)
print("Listening, connect your browser to http://<this_host>:8080/")

while True:
res = s.accept()
client_s = res[0]
client_addr = res[1]
req = client_s.recv(4096)
print("Request:")
print(req)

# The first line of a request looks like "GET /arbitrary/path/ HTTP/1.1".
# This grabs that first line and whittles it down to just "/arbitrary/path/"
try:
path = req.decode().split("\r\n")[0].split(" ")[1]
handler = handlers[path.strip('/').split('/')[0]]
response = handler()
except KeyError:
response = response_404
except Exception as e:
response = response_500
print(str(e))

# A handler returns an entire response in the form of a multi-line string.
# This breaks up the response into single strings, byte-encodes them, and
# joins them back together with b"\r\n". Then it sends that to the client.
client_s.send(b"\r\n".join([line.encode() for line in response.split("\n")]))

client_s.close()
print()

main()
60 changes: 41 additions & 19 deletions web_server/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -9,49 +9,66 @@
"""

response_500 = """HTTP/1.0 500 INTERNAL SERVER ERROR

<h1>500 Internal Server Error</h1>
"""

response_template = """HTTP/1.0 200 OK

%s
"""

import machine
import ntptime, utime
from machine import RTC
from time import sleep

try:
seconds = ntptime.time()
except:
seconds = 0

from machine import RTC, Pin
seconds = ntptime.time()
rtc = RTC()
rtc.datetime(utime.localtime(seconds))

adc = machine.ADC(0)

def time():
body = """<html>
<body>
<h1>Time</h1>
<p>%s</p>
</body>
</html>
""" % str(rtc.datetime())
<body>
<h1>Time</h1>
<p>%s</p>
</body>
</html>
""" % str(rtc.datetime())

return response_template % body


def dummy():
body = "This is a dummy endpoint"

return response_template % body

pin = machine.Pin(10, machine.Pin.IN)
#pin = machine.Pin(16, machine.Pin.OUT)

#pin = machine.Pin(10, machine.Pin.IN)
adc = machine.ADC(0)

# def switch():
# body = "{state: " + str(pin.value()) + "}"
# return response_template % body

def light():
body = "value: {}".format(str(adc.read()))
return response_template % body

# def light_on():
# pin.value(1)
# body = "You turned a light on!"
# return response_template % body

# def light_off():
# pin.value(0)
# body = "You turned a light off!"
# return response_template % body

handlers = {
'time': time,
'dummy': dummy,
'light': light,
}

def main():
Expand All @@ -63,7 +80,7 @@ def main():

s.bind(addr)
s.listen(5)
print("Listening, connect your browser to http://<this_host>:8080")
print("Listening, connect your browser to http://<this_host>:8080/")

while True:
res = s.accept()
Expand All @@ -73,6 +90,8 @@ def main():
print("Request:")
print(req)

# The first line of a request looks like "GET /arbitrary/path/ HTTP/1.1".
# This grabs that first line and whittles it down to just "/arbitrary/path/"
try:
path = req.decode().split("\r\n")[0].split(" ")[1]
handler = handlers[path.strip('/').split('/')[0]]
Expand All @@ -83,9 +102,12 @@ def main():
response = response_500
print(str(e))

# A handler returns an entire response in the form of a multi-line string.
# This breaks up the response into single strings, byte-encodes them, and
# joins them back together with b"\r\n". Then it sends that to the client.
client_s.send(b"\r\n".join([line.encode() for line in response.split("\n")]))

client_s.close()
print()

main()
main()