pylink-square

import pylink import os # Replace with your J-Link's actual serial number (as a string). # Consider setting JLINK_SERIAL_NO and JLINK_TARGET_DEVICE as environment variables. jlink_serial_no = os.environ.get('JLINK_SERIAL_NO', 'YOUR_JLINK_SERIAL_HERE') target_device = os.environ.get('JLINK_TARGET_DEVICE', 'CORTEX-M4') # Example: 'ATSAM4S2B' or 'STM32F407VG' try: # Initialize JLink object jlink = pylink.JLink() # Open a connection to your J-Link probe jlink.open(serial_no=int(jlink_serial_no)) print(f"Connected to J-Link: {jlink.product_name} (Serial: {jlink_serial_no})") # Connect to the target device jlink.connect(target_device, verbose=True) print(f"Connected to target device: {target_device}") # Perform a simple operation, e.g., read target IDCODE if jlink.connected() and jlink.target_connected(): print(f"Target IDCODE: {hex(jlink.idcode())}") # Example: Reset the target # jlink.reset() else: print("Failed to establish full connection to target device.") except pylink.JLinkException as e: print(f"J-Link operation failed: {e}") except ValueError: print("Invalid J-Link serial number provided. Must be an integer.") finally: # Always close the J-Link connection if 'jlink' in locals() and jlink.opened(): jlink.close() print("J-Link connection closed.")