Use refactored address change logic

Author: sebromero

examples/change_address.py

@@ -1,66 +1,47 @@
-from sys import exit
-from machine import I2C
-from time import sleep
-
-pinstrap_map = {
-    0x3C: "BUZZER",
-    0x7C: "BUTTONS",
-    0x76: "ENCODER",
-    0x74: "ENCODER",
-    0x6C: "SMARTLEDS"
-}
+"""
+This example shows how to change the I2C address of a Modulino device.
+After changing the address, the device will be reset and the new address will be verified.
+From then on, when creating a Modulino object, you should use the new address.
+e.g. ModulinoBuzzer(address=0x2A)
 
-def pinstrap_to_name(address):
-    if address in pinstrap_map:
-        return pinstrap_map[address]
-    return "UNKNOWN"
+Initial author: Sebastian Romero ([email protected])
+"""
 
-bus = I2C(0)
-devices_on_bus = bus.scan()
+from sys import exit
+from time import sleep
+from modulino import Modulino
 
 print()
+devices = Modulino.available_devices()
 
-if len(devices_on_bus) == 0:
+if len(devices) == 0:
     print("No devices found on the bus. Try resetting the board.")
     exit(1)
 
 print("The following devices were found on the bus:")
 
-for index, device_address in enumerate(devices_on_bus):
-    pinstrap_address = bus.readfrom(device_address, 1)
-    device_name = pinstrap_to_name(pinstrap_address[0])
-    print(f"{index + 1}) {device_name} at {hex(device_address)}")
+for index, device in enumerate(devices):
+    print(f"{index + 1}) {device.device_type} at {hex(device.address)}")
 
 choice = int(input("\nEnter the device number for which you want to change the address: "))
-if choice < 1 or choice > len(devices_on_bus):
+
+if choice < 1 or choice > len(devices):
     print("Invalid choice. Please select a valid device number.")
     exit(1)
 
-selected_device_address = devices_on_bus[choice - 1]
-
-# Read address from user input
+selected_device = devices[choice - 1]
 new_address = int(input("Enter the new address (hexadecimal or decimal): "), 0)
 
 if new_address < 0 or new_address > 127:
     print("Invalid address. Address must be between 0 and 127")
     exit(1)
 
-print(f"Changing address of device at {hex(selected_device_address)} to {hex(new_address)}...")
-
-data = bytearray(40)
-# Set the first two bytes to 'C' and 'F' followed by the new address
-data[0:2] = b'CF'
-data[2] = new_address * 2
-
-try:
-  bus.writeto(selected_device_address, data)
-except OSError:
-  pass # Device resets immediately and causes ENODEV to be thrown which is expected
-sleep(1)
+print(f"Changing address of device at {hex(selected_device.address)} to {hex(new_address)}...")
+selected_device.change_address(new_address)
+sleep(1) # Give the device time to reset
 
 # Check if the address was successfully changed
-devices_on_bus = bus.scan()
-if new_address in devices_on_bus:
+if selected_device.connected:
     print(f"✅ Address changed successfully to {hex(new_address)}")
 else:
     print("❌ Failed to change address. Please try again.")