cli: Force FPGA offline before reading flash UID

Fix #102
greatscottgadgets · Jul 23, 2024 · 826faba · 826faba
1 parent d9a5943
commit 826faba
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/apollo_fpga/commands/cli.py b/apollo_fpga/commands/cli.py
@@ -84,10 +84,12 @@ def print_device_info(device, args):
     logging.info(f"\tSerial number: {device.serial_number}")
     logging.info(f"\tFirmware version: {device.get_firmware_version()}")
     logging.info(f"\tUSB API version: {device.get_usb_api_version_string()}")
-    with device.jtag as jtag:
-        programmer = device.create_jtag_programmer(jtag)
-        flash_uid = programmer.read_flash_uid()
-    logging.info(f"\tFlash UID: {flash_uid:016x}")
+    if args.force_offline:
+        device.force_fpga_offline()
+        with device.jtag as jtag:
+            programmer = device.create_jtag_programmer(jtag)
+            flash_uid = programmer.read_flash_uid()
+        logging.info(f"\tFlash UID: {flash_uid:016x}")
 
 def print_chain_info(device, args):
     """ Command that prints information about devices connected to the scan chain to the console. """