pylibiio

import iio import os # Try to connect to a local or remote IIO context # Use 'local' for devices on the same machine, or 'ip:address' for remote # For testing without hardware, you can often use 'dummy' # The URI can also be 'usb', 'serial', or an IP address (e.g., 'ip:192.168.1.100') # For robust examples, use an environment variable or default to local uri = os.environ.get('IIO_URI', 'local') try: ctx = iio.Context(uri) print(f"Connected to IIO context: {ctx.description}") # Scan for available devices print("\nAvailable IIO devices:") for dev in ctx.devices: print(f" - Device: {dev.name} (ID: {dev.id})") for channel in dev.channels: print(f" - Channel: {channel.name} (ID: {channel.id}, Output: {channel.output})") # Example: Try to read an attribute if it exists try: sample_rate = channel.attrs['sampling_frequency'].value print(f" Sampling Frequency: {sample_rate}") except KeyError: pass except Exception as e: print(f" Error reading attribute: {e}") # Example: Find a specific device (replace with a known device on your system) # For a dummy device, you might use 'iio:device0' target_device_name = os.environ.get('IIO_TARGET_DEVICE', 'iio:device0') device = ctx.find_device(target_device_name) if device: print(f"\nFound target device: {device.name}") # Example: Set a device attribute (e.g., gain, if supported) # try: # if 'gain_control' in device.attrs: # device.attrs['gain_control'].value = 'manual' # print(f"Set gain_control on {device.name}") # except KeyError: # pass # except Exception as e: # print(f"Error setting device attribute: {e}") # Example: Enable a channel and create a buffer to read data input_channel = device.find_channel('voltage0', is_output=False) if input_channel: input_channel.enabled = True print(f"Enabled channel: {input_channel.name}") buffer = iio.Buffer(device, 4096) # 4096 samples print(f"Created buffer for {device.name}") # Read data (replace with actual processing) data = buffer.read() print(f"Read {len(data)} bytes from buffer.") buffer.close() else: print(f"Channel 'voltage0' not found on {device.name}.") else: print(f"Target device '{target_device_name}' not found.") ctx.close() print("\nDisconnected from IIO context.") except Exception as e: print(f"Failed to connect to IIO context or interact with devices: {e}") print("Ensure the libiio C library is installed and IIO devices are available/accessible.")