args = init('''OpenGrab EPM v3 production testing application.
This application requires superuser priveleges to function correctly.
Usage instructions:
1. Connect CAN adapter to this computer.
2. Start this application and follow its instructions.''',
lambda p: p.add_argument('--iface', help='CAN interface name, e.g. "can0"'),
lambda p: p.add_argument('--firmware', '-f', help='location of the firmware file', default=FIRMWARE_URL),
lambda p: p.add_argument('--only-sign', help='skip testing, only install signature',
action='store_true'),
lambda p: p.add_argument('--generate-signed-image-for',
help='only generate signed image for the provided unique ID. '
'The ID should be provided as 4 comma-separated integers'),
require_root=True)
api = make_api_context_with_user_provided_credentials()
def generate_signed_image_for(comma_separated_uid_integers):
import struct
import os
try:
unique_id_integers = list(map(int, comma_separated_uid_integers.split(',')))
if len(unique_id_integers) != 4:
raise ValueError('Unique ID must be composed of exactly 4 integers')
unique_id = struct.pack('<IIII', *unique_id_integers)
assert len(unique_id) == 128 / 8
except Exception as ex:
fatal('Could not parse unique ID: %s', ex)
info('Requesting signature for unique ID %s', ' '.join(['%02x' % x for x in unique_id]))
try:
init_can_iface()
info('CAN interface is OK')
except Exception:
logging.debug('CAN check error', exc_info=True)
error('CAN interface is not working')
ok = False
if not ok:
fatal('Required interfaces are not available. Please check your hardware configuration. '
'If this application is running on a virtual machine, make sure that hardware '
'sharing is configured correctly.')
check_interfaces()
licensing_api = make_api_context_with_user_provided_credentials()
with CLIWaitCursor():
print('Please wait...')
if args.firmware:
firmware_data = download(args.firmware)
else:
firmware_data = download_newest(DEFAULT_FIRMWARE_GLOB)
assert 30 < (len(firmware_data) / 1024) <= 240, 'Invalid firmware size'
def process_one_device(set_device_info):
out = input('1. Connect DroneCode Probe to the debug connector.\n'
'2. Connect CAN to the first CAN1 connector on the device; terminate the other CAN1 connector.\n'
'4. Connect an appropriate power supply (see the hardware specs for requirements).\n'
' Make sure the motor leads are NOT CONNECTED to anything.\n'
