Added code for Lab 9

Lab09/MicroPython/Code/blink.py

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+import machine
+
+import time
+
+led = machine.Pin("LED", machine.Pin.OUT) #configure GPIO-15 Pin as an output pin and create and led object for Pin class
+
+while True:
+  led.value(True)  #turn on the LED
+  time.sleep(1)   #wait for one second
+  led.value(False)  #turn off the LED
+  time.sleep(1)   #wait for one second
+  
+

Lab09/MicroPython/Code/blink15.py

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+import machine
+
+import time
+
+led = machine.Pin(15, machine.Pin.OUT) #configure GPIO-15 Pin as an output pin and create and led object for Pin class
+
+while True:
+  led.value(True)  #turn on the LED
+  time.sleep(1)   #wait for one second
+  led.value(False)  #turn off the LED
+  time.sleep(1)   #wait for one second
+  

Lab09/MicroPython/Code/pwm/pwm_fade.py

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+# Example using PWM to fade an LED.
+
+import time
+import machine
+from machine import Pin, PWM
+
+
+# Construct PWM object, with LED on Pin(25).
+pwm = PWM(Pin(15))
+
+# Set the PWM frequency.
+pwm.freq(1000)
+
+# Fade the LED in and out a few times.
+duty = 0
+direction = 1
+for _ in range(8 * 256):
+    duty += direction
+    if duty > 255:
+        duty = 255
+        direction = -1
+    elif duty < 0:
+        duty = 0
+        direction = 1
+    pwm.duty_u16(duty * duty)
+    time.sleep(0.005)

Lab09/MicroPython/Code/pwm/pwm_fade2.py

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+# Example using PWM to fade an LED.
+
+import time
+import machine
+from machine import Pin, PWM
+
+
+# Construct PWM object, with LED on Pin(25).
+pwm = PWM(Pin(15))
+
+# Set the PWM frequency.
+pwm.freq(1000)
+
+# Fade the LED in and out a few times.
+duty = 0
+direction = 1
+for _ in range(8 * 256):
+    duty += direction
+    if duty > 255:
+        duty = 255
+        direction = -1
+    elif duty < 0:
+        duty = 0
+        direction = 1
+    pwm.duty_u16(duty * duty)
+    time.sleep(0.01)

Lab09/MicroPython/Code/pwm/pwm_fade3.py

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+# Example using PWM to fade an LED on pin GP15.
+
+import time
+import machine
+from machine import Pin, PWM
+
+def pwmFade(fadeTime):
+    # Fade the LED in and out a few times.
+    duty = 0
+    direction = 1
+    for _ in range(8 * 256):
+        duty += direction
+        if duty > 255:
+            duty = 255
+            direction = -1
+        elif duty < 0:
+            duty = 0
+            direction = 1
+        pwm.duty_u16(duty * duty)
+        time.sleep(fadeTime)
+    return 0
+
+
+# Construct PWM object, with LED on Pin(25).
+pwm = PWM(Pin(15))
+
+# Set the PWM frequency.
+pwm.freq(1000)
+
+print("Fade time is set to .001")
+# Fade the LED in and out a few times.
+pwmFade(.001)
+
+print("Fade time is set to .01")
+# Fade the LED in and out a few times.
+pwmFade(.01)
+

Lab09/MicroPython/Code/pwm/pwm_fade4.py

@@ -0,0 +1,37 @@
+# Example using PWM to fade an LED  on pin GP16.
+
+import time
+import machine
+from machine import Pin, PWM
+
+def pwmFade(fadeTime):
+    # Fade the LED in and out a few times.
+    duty = 0
+    direction = 1
+    for _ in range(8 * 256):
+        duty += direction
+        if duty > 255:
+            duty = 255
+            direction = -1
+        elif duty < 0:
+            duty = 0
+            direction = 1
+        pwm.duty_u16(duty * duty)
+        time.sleep(fadeTime)
+    return 0
+
+
+# Construct PWM object, with LED on Pin(25).
+pwm = PWM(Pin(16))
+
+# Set the PWM frequency.
+pwm.freq(1000)
+
+print("Fade time is set to .001")
+# Fade the LED in and out a few times.
+pwmFade(.001)
+
+print("Fade time is set to .01")
+# Fade the LED in and out a few times.
+pwmFade(.01)
+

Lab09/MicroPython/Code/pwm/pwm_fade5.py

@@ -0,0 +1,37 @@
+# Example using PWM to fade an LED.
+
+import time
+import machine
+from machine import Pin, PWM
+
+def pwmFade(fadeTime):
+    # Fade the LED in and out a few times.
+    duty = 0
+    direction = 1
+    for _ in range(8 * 256):
+        duty += direction
+        if duty > 255:
+            duty = 255
+            direction = -1
+        elif duty < 0:
+            duty = 0
+            direction = 1
+        pwm.duty_u16(duty * duty)
+        time.sleep(fadeTime)
+    return 0
+
+
+# Construct PWM object, with LED on Pin(25).
+pwm = PWM(Pin(17))
+
+# Set the PWM frequency.
+pwm.freq(1000)
+
+print("Fade time is set to .001")
+# Fade the LED in and out a few times.
+pwmFade(.001)
+
+print("Fade time is set to .01")
+# Fade the LED in and out a few times.
+pwmFade(.01)
+

Lab09/MicroPython/Code/secrets.py

@@ -0,0 +1,6 @@
+secrets = {
+    'location': 'Stcc',
+    'ssid': 'cset@stcc',
+    'password': 'c1s2e3t4',
+    }
+

Lab09/MicroPython/Code/wifi01/wifiConnect01.py

@@ -0,0 +1,23 @@
+import network
+import secrets
+from utime import sleep, ticks_ms, ticks_diff
+from secrets import secrets
+
+print('Connecting to WiFi Network Name:', secrets['ssid'])
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+
+start = ticks_ms() # start a millisecond counter
+
+if not wlan.isconnected():
+    wlan.connect(secrets['ssid'], secrets['password'])
+    print("Waiting for connection...")
+    counter = 0
+    while not wlan.isconnected():
+        sleep(1)
+        print(counter, '.', sep='', end='', )
+        counter += 1
+
+delta = ticks_diff(ticks_ms(), start)
+print("Connect Time:", delta, 'milliseconds')
+print('IP Address:', wlan.ifconfig()[0])

Lab09/MicroPython/Code/wifi01/wifiScan.py

@@ -0,0 +1,17 @@
+import network
+import binascii
+import rp2
+rp2.country('us')
+wlan = network.WLAN() #  network.WLAN(network.STA_IF)
+wlan.active(True)
+networks = wlan.scan() # list with tuples (ssid, bssid, channel, RSSI, security, hidden)
+networks.sort(key=lambda x:x[3],reverse=True) # sorted on RSSI (3)
+#for i, w in enumerate(networks):
+#      print(i+1, w[0].decode(), binascii.hexlify(w[1]).decode(), w[2], w[3], w[4], w[5])
+#      print('%2d %-30s %16s %4d %4d %4d %4d' %(i+1, w[0].decode(), binascii.hexlify(w[1]).decode(), w[2], w[3], w[4], w[5]))
+#      print(type(i+1), type(w[0].decode()), type(binascii.hexlify(w[1]).decode()), type(w[2]), type(w[3]), type(w[4]), type(w[5]))
+
+for i, w in enumerate(networks):
+#      print(i+1, w[0].decode(), binascii.hexlify(w[1]).decode(), w[2], w[3], w[4], w[5])
+      print('%2d %-30s %16s %4d %4d %4d %4d' %(i+1, w[0].decode(), binascii.hexlify(w[1]).decode(), w[2], w[3], w[4], w[5]))
+#      print(type(i+1), type(w[0].decode()), type(binascii.hexlify(w[1]).decode()), type(w[2]), type(w[3]), type(w[4]), type(w[5]))

Lab09/MicroPython/Code/wifi02/WebServer01.py

@@ -0,0 +1,122 @@
+# Complete project details at https://RandomNerdTutorials.com/raspberry-pi-pico-web-server-micropython/
+
+# Import necessary modules
+import network
+import socket
+import time
+import random
+from machine import Pin
+from secrets import secrets
+
+# Create an LED object on pin 'LED'
+led = Pin('LED', Pin.OUT)
+
+# Wi-Fi credentials
+ssid = secrets['ssid']
+password = secrets['password']
+
+# HTML template for the webpage
+def webpage(random_value, state):
+    html = f"""
+        <!DOCTYPE html>
+        <html>
+        <head>
+            <title>Pico Web Server</title>
+            <meta name="viewport" content="width=device-width, initial-scale=1">
+        </head>
+        <body>
+            <h1>Raspberry Pi Pico Web Server</h1>
+            <h2>Onboard Led Control</h2>
+            <form action="./lighton">
+                <input type="submit" value="Light on" />
+            </form>
+            <br>
+            <form action="./lightoff">
+                <input type="submit" value="Light off" />
+            </form>
+            <p>LED state: {state}</p>
+            <h2>Fetch New Value</h2>
+            <form action="./value">
+                <input type="submit" value="Fetch value" />
+            </form>
+            <p>Fetched value: {random_value}</p>
+        </body>
+        </html>
+        """
+    return str(html)
+
+# Connect to WLAN
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+wlan.connect(ssid, password)
+
+# Wait for Wi-Fi connection
+connection_timeout = 10
+while connection_timeout > 0:
+    if wlan.status() >= 3:
+        break
+    connection_timeout -= 1
+    print('Waiting for Wi-Fi connection...')
+    time.sleep(1)
+
+# Check if connection is successful
+if wlan.status() != 3:
+    raise RuntimeError('Failed to establish a network connection')
+else:
+    print('Connection successful!')
+    network_info = wlan.ifconfig()
+    print('IP address:', network_info[0])
+
+# Set up socket and start listening
+addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+s = socket.socket()
+s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+s.bind(addr)
+s.listen()
+
+print('Listening on', addr)
+
+# Initialize variables
+state = "OFF"
+random_value = 0
+
+# Main loop to listen for connections
+while True:
+    try:
+        conn, addr = s.accept()
+        print('Got a connection from', addr)
+        
+        # Receive and parse the request
+        request = conn.recv(1024)
+        request = str(request)
+        print('Request content = %s' % request)
+
+        try:
+            request = request.split()[1]
+            print('Request:', request)
+        except IndexError:
+            pass
+        
+        # Process the request and update variables
+        if request == '/lighton?':
+            print("LED on")
+            led.value(1)
+            state = "ON"
+        elif request == '/lightoff?':
+            led.value(0)
+            state = 'OFF'
+        elif request == '/value?':
+            random_value = random.randint(0, 20)
+
+        # Generate HTML response
+        response = webpage(random_value, state)  
+
+        # Send the HTTP response and close the connection
+        conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
+        conn.send(response)
+        conn.close()
+
+    except OSError as e:
+        conn.close()
+        print('Connection closed')
+        

Lab09/MicroPython/Code/wifi02/WebServer02.py

@@ -0,0 +1,122 @@
+# Complete project details at https://RandomNerdTutorials.com/raspberry-pi-pico-web-server-micropython/
+
+# Import necessary modules
+import network
+import socket
+import time
+import random
+from machine import Pin
+from secrets import secrets
+
+# Create an LED object on pin 'LED'
+led = Pin('GP15', Pin.OUT)
+
+# Wi-Fi credentials
+ssid = secrets['ssid']
+password = secrets['password']
+
+# HTML template for the webpage
+def webpage(random_value, state):
+    html = f"""
+        <!DOCTYPE html>
+        <html>
+        <head>
+            <title>Pico Web Server</title>
+            <meta name="viewport" content="width=device-width, initial-scale=1">
+        </head>
+        <body>
+            <h1>Raspberry Pi Pico Web Server</h1>
+            <h2>Led Control for the LED cnnected to GP15</h2>
+            <form action="./lighton">
+                <input type="submit" value="Light on" />
+            </form>
+            <br>
+            <form action="./lightoff">
+                <input type="submit" value="Light off" />
+            </form>
+            <p>LED state: {state}</p>
+            <h2>Fetch New Value</h2>
+            <form action="./value">
+                <input type="submit" value="Fetch value" />
+            </form>
+            <p>Fetched value: {random_value}</p>
+        </body>
+        </html>
+        """
+    return str(html)
+
+# Connect to WLAN
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+wlan.connect(ssid, password)
+
+# Wait for Wi-Fi connection
+connection_timeout = 10
+while connection_timeout > 0:
+    if wlan.status() >= 3:
+        break
+    connection_timeout -= 1
+    print('Waiting for Wi-Fi connection...')
+    time.sleep(1)
+
+# Check if connection is successful
+if wlan.status() != 3:
+    raise RuntimeError('Failed to establish a network connection')
+else:
+    print('Connection successful!')
+    network_info = wlan.ifconfig()
+    print('IP address:', network_info[0])
+
+# Set up socket and start listening
+addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+s = socket.socket()
+s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+s.bind(addr)
+s.listen()
+
+print('Listening on', addr)
+
+# Initialize variables
+state = "OFF"
+random_value = 0
+
+# Main loop to listen for connections
+while True:
+    try:
+        conn, addr = s.accept()
+        print('Got a connection from', addr)
+        
+        # Receive and parse the request
+        request = conn.recv(1024)
+        request = str(request)
+        print('Request content = %s' % request)
+
+        try:
+            request = request.split()[1]
+            print('Request:', request)
+        except IndexError:
+            pass
+        
+        # Process the request and update variables
+        if request == '/lighton?':
+            print("LED on")
+            led.value(1)
+            state = "ON"
+        elif request == '/lightoff?':
+            led.value(0)
+            state = 'OFF'
+        elif request == '/value?':
+            random_value = random.randint(0, 20)
+
+        # Generate HTML response
+        response = webpage(random_value, state)  
+
+        # Send the HTTP response and close the connection
+        conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
+        conn.send(response)
+        conn.close()
+
+    except OSError as e:
+        conn.close()
+        print('Connection closed')
+        

Lab09/MicroPython/Code/wifi03/WebServer03.py

@@ -0,0 +1,106 @@
+# Complete project details at https://RandomNerdTutorials.com/raspberry-pi-pico-web-server-micropython/
+
+# Import necessary modules
+import network
+import socket
+import time
+import random
+from machine import Pin
+from secrets import secrets
+
+# Create an LED object on pin 'LED'
+led = Pin('LED', Pin.OUT)
+
+# Wi-Fi credentials
+ssid = secrets['ssid']
+password = secrets['password']
+
+indexFilename = "index03.html"
+
+# HTML template for the webpage
+def webpage(random_value, state):
+    try:
+        with open(indexFilename, 'r') as f:
+            html = f.read()
+    except FileNotFoundError:
+        print("The file was not found.")
+    except IOError:
+        print("An error was encountered reading the file.")
+        
+    return str(html)
+
+# Connect to WLAN
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+wlan.connect(ssid, password)
+
+# Wait for Wi-Fi connection
+connection_timeout = 10
+while connection_timeout > 0:
+    if wlan.status() >= 3:
+        break
+    connection_timeout -= 1
+    print('Waiting for Wi-Fi connection...')
+    time.sleep(1)
+
+# Check if connection is successful
+if wlan.status() != 3:
+    raise RuntimeError('Failed to establish a network connection')
+else:
+    print('Connection successful!')
+    network_info = wlan.ifconfig()
+    print('IP address:', network_info[0])
+
+# Set up socket and start listening
+addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+s = socket.socket()
+s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+s.bind(addr)
+s.listen()
+
+print('Listening on', addr)
+
+# Initialize variables
+state = "OFF"
+random_value = 0
+
+# Main loop to listen for connections
+while True:
+    try:
+        conn, addr = s.accept()
+        print('Got a connection from', addr)
+        
+        # Receive and parse the request
+        request = conn.recv(1024)
+        request = str(request)
+        print('Request content = %s' % request)
+
+        try:
+            request = request.split()[1]
+            print('Request:', request)
+        except IndexError:
+            pass
+        
+        # Process the request and update variables
+        if request == '/lighton?':
+            print("LED on")
+            led.value(1)
+            state = "ON"
+        elif request == '/lightoff?':
+            led.value(0)
+            state = 'OFF'
+        elif request == '/value?':
+            random_value = random.randint(0, 20)
+
+        # Generate HTML response
+        response = webpage(random_value, state)  
+
+        # Send the HTTP response and close the connection
+        conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
+        conn.send(response)
+        conn.close()
+
+    except OSError as e:
+        conn.close()
+        print('Connection closed')
+        

Lab09/MicroPython/Code/wifi03/WebServer04.py

@@ -0,0 +1,106 @@
+# Complete project details at https://RandomNerdTutorials.com/raspberry-pi-pico-web-server-micropython/
+
+# Import necessary modules
+import network
+import socket
+import time
+import random
+from machine import Pin
+from secrets import secrets
+
+# Create an LED object on pin 'LED'
+led = Pin('GP15', Pin.OUT)
+
+# Wi-Fi credentials
+ssid = secrets['ssid']
+password = secrets['password']
+
+indexFilename = "index04.html"
+
+# HTML template for the webpage
+def webpage(random_value, state):
+    try:
+        with open(indexFilename, 'r') as f:
+            html = f.read()
+    except FileNotFoundError:
+        print("The file was not found.")
+    except IOError:
+        print("An error was encountered reading the file.")
+
+    return str(html)
+
+# Connect to WLAN
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+wlan.connect(ssid, password)
+
+# Wait for Wi-Fi connection
+connection_timeout = 10
+while connection_timeout > 0:
+    if wlan.status() >= 3:
+        break
+    connection_timeout -= 1
+    print('Waiting for Wi-Fi connection...')
+    time.sleep(1)
+
+# Check if connection is successful
+if wlan.status() != 3:
+    raise RuntimeError('Failed to establish a network connection')
+else:
+    print('Connection successful!')
+    network_info = wlan.ifconfig()
+    print('IP address:', network_info[0])
+
+# Set up socket and start listening
+addr = socket.getaddrinfo('0.0.0.0', 80)[0][-1]
+s = socket.socket()
+s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+s.bind(addr)
+s.listen()
+
+print('Listening on', addr)
+
+# Initialize variables
+state = "OFF"
+random_value = 0
+
+# Main loop to listen for connections
+while True:
+    try:
+        conn, addr = s.accept()
+        print('Got a connection from', addr)
+        
+        # Receive and parse the request
+        request = conn.recv(1024)
+        request = str(request)
+        print('Request content = %s' % request)
+
+        try:
+            request = request.split()[1]
+            print('Request:', request)
+        except IndexError:
+            pass
+        
+        # Process the request and update variables
+        if request == '/lighton?':
+            print("LED on")
+            led.value(1)
+            state = "ON"
+        elif request == '/lightoff?':
+            led.value(0)
+            state = 'OFF'
+        elif request == '/value?':
+            random_value = random.randint(0, 20)
+
+        # Generate HTML response
+        response = webpage(random_value, state)  
+
+        # Send the HTTP response and close the connection
+        conn.send('HTTP/1.0 200 OK\r\nContent-type: text/html\r\n\r\n')
+        conn.send(response)
+        conn.close()
+
+    except OSError as e:
+        conn.close()
+        print('Connection closed')
+        

Lab09/MicroPython/Code/wifi03/index03.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>Pico Web Server</title>
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+</head>
+<body>
+    <h1>Raspberry Pi Pico Web Server</h1>
+    <h2>Onboard Led Control</h2>
+    <form action="./lighton">
+        <input type="submit" value="Light on" />
+    </form>
+    <br>
+    <form action="./lightoff">
+        <input type="submit" value="Light off" />
+    </form>
+    <p>LED state: {state}</p>
+    <h2>Fetch New Value</h2>
+    <form action="./value">
+        <input type="submit" value="Fetch value" />
+    </form>
+    <p>Fetched value: {random_value}</p>
+</body>
+</html>

Lab09/MicroPython/Code/wifi03/index04.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<title>Pico Web Server</title>
+	<meta name="viewport" content="width=device-width, initial-scale=1">
+</head>
+<body>
+	<h1>Raspberry Pi Pico Web Server</h1>
+	<h2>Led Control for the LED cnnected to GP15</h2>
+	<form action="./lighton">
+		<input type="submit" value="Light on" />
+	</form>
+	<br>
+	<form action="./lightoff">
+		<input type="submit" value="Light off" />
+	</form>
+	<p>LED state: {state}</p>
+	<h2>Fetch New Value</h2>
+	<form action="./value">
+		<input type="submit" value="Fetch value" />
+	</form>
+	<p>Fetched value: {random_value}</p>
+</body>
+</html>