From 8564c71dd2aaf5d28bd242f72fc4ca79e14c120c Mon Sep 17 00:00:00 2001
From: Alexander Bobkov <alexandre.bobkov@gmail.com>
Date: Sun, 26 Jan 2025 23:32:19 -0500
Subject: [PATCH] .

---
 examples/led_pwm.py  | 31 ++++++++++++++++++++++++++++
 examples/wireless.py | 48 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+)
 create mode 100644 examples/led_pwm.py
 create mode 100644 examples/wireless.py

diff --git a/examples/led_pwm.py b/examples/led_pwm.py
new file mode 100644
index 0000000..6b2add7
--- /dev/null
+++ b/examples/led_pwm.py
@@ -0,0 +1,31 @@
+import machine
+from machine import Pin
+import time, math
+
+ONBOARD_LED = 10	# GPIO10, PIN 7
+ONBOARD_BTN = 3		# GPIO3, 13
+
+# Configure on-board LED and push button
+# Stated GPIOs correspond to the wiring schematic
+onboard_button = Pin(ONBOARD_BTN, Pin.IN, Pin.PULL_UP)
+
+led = machine.PWM(ONBOARD_LED, freq=1000)
+
+def pulse(l, t):
+    for i in range(20):
+        l.duty(int(math.sin(i/10 * math.pi) * 500 + 500))
+        time.sleep_ms(t)
+    l.duty(0)
+        
+# Interrupt function to turn LED ON when on-board button is pressed
+def button_interrupt(pin):
+    pulse(led, 70)
+        
+        
+def main():
+    
+    # Assign interrupt to the on-board push button
+    onboard_button.irq(trigger=Pin.IRQ_FALLING, handler=button_interrupt)
+    
+if __name__ == '__main__':
+    main()
\ No newline at end of file
diff --git a/examples/wireless.py b/examples/wireless.py
new file mode 100644
index 0000000..2eefd7a
--- /dev/null
+++ b/examples/wireless.py
@@ -0,0 +1,48 @@
+from machine import Pin
+from machine import Timer
+from utime import sleep_ms
+
+import network
+
+wlan = network.WLAN(network.STA_IF)
+wlan.active(True)
+networks = wlan.scan()
+
+ONBOARD_LED = 10	# GPIO10, PIN 7
+ONBOARD_BTN = 3		# GPIO3, 13
+
+# Configure on-board LED and push button
+# Stated GPIOs correspond to the wiring schematic
+onboard_led = Pin(ONBOARD_LED, Pin.OUT)
+onboard_button = Pin(ONBOARD_BTN, Pin.IN, Pin.PULL_UP)
+
+# Interrupt function to alternate on-board LED state
+def led_interrupt(t):
+    onboard_led.value(not onboard_led.value())
+  
+# Interrupt function to turn LED ON when on-board button is pressed
+def button_interrupt(pin):
+    print("Button was pressed")
+    onboard_led.value(1)
+    
+def main():
+    onboard_led_timer = Timer(0)
+#    connect_wireless()
+    
+    if not wlan.isconnected():
+        onboard_led_timer.init(mode=Timer.PERIODIC,period=500,callback=led_interrupt)
+        print("Connecting to Wi-Fi ...")
+        wlan.connect('IoT_bots', '208208208')
+    
+    if wlan.isconnected():
+        print("Connected to Wi-Fi: " +wlan.config('ssid'))
+        print("Channel: ", wlan.config('channel'))
+        print("Security: ", wlan.config('hostname'))
+        print(wlan.ifconfig())
+        onboard_led_timer.init(mode=Timer.PERIODIC,period=1500,callback=led_interrupt)
+ 
+    # Assign interrupt to the on-board push button
+    onboard_button.irq(trigger=Pin.IRQ_FALLING, handler=button_interrupt)
+
+if __name__ == '__main__':
+    main()