def open_mboot() -> McuBoot:
"""Open USB communication with RT5xx boot-loader
:return: McuBoot instance
:raises ConnectionError: if device not connected
"""
assert not TEST_IMG_CONTENT
devs = []
for _ in range(
5
): # try three times to find USB device (wait until shadows registers are ready)
devs = scan_usb("RT5xx")
if len(devs) == 1:
break
sleep(1)
if len(devs) != 1:
raise ConnectionError(
"RT5xx not connected via USB, "
"ensure BOOT CONFIG SW7 is ON,OFF,ON and connect USB cable via J38"
)
mboot = McuBoot(devs[0], True)
mboot.open()
assert mboot.is_opened
# test connection
# blhost -u 0x1FC9,0x20 get-property 1
res = mboot.get_property(PropertyTag.CURRENT_VERSION)
assert res is not None
return mboot
def main() -> None:
"""Main function."""
with open(f'{DATA_DIR}/ivt_flashloader.bin', 'rb') as f:
flash_loader_data = f.read()
if run_flash_loader(0x20000000, 0x20000400, flash_loader_data):
sleep(6) # wait for device startup
print('flash-loader executed')
# Scan for MCU-BOOT device
devices = mboot.scan_usb()
if not devices:
print("Not founded MCU-BOOT device")
sys.exit()
try:
with mboot.McuBoot(devices[0], True) as mb:
mb.reopen = False
# data = mb.read_memory(0, 500)
property_list = mb.get_property_list()
mb.reset()
except mboot.McuBootError as e:
print(str(e))
sys.exit()
for prop in property_list:
print(prop)
def device(target, config):
if target == 'VIRTUAL':
device = VirtualDevice(config=config)
else:
devs = scan_usb(target)
if not devs:
raise Exception(f'Device {target} not connected')
device = devs[0]
return device
def mboot_properties(name: str = None) -> Optional[list]:
"""Get McuBoot properties.
:param name: Device name ('KL27Z', 'LPC55', ...), VID:PID ('0x15A2:0x0073') or None (any from known devices)
:return: Interface object
"""
props = None
devices = scan_usb(name)
if devices:
with McuBoot(devices[0]) as mb:
props = mb.get_property_list()
return props
def main() -> None:
"""Main function."""
# Input values
kek_value = unhexlify('AC701E99BD3492E419B756EADC0985B3D3D0BC0FDB6B057AA88252204C2DA732')
app_path = f'{DATA_DIR}/blinky.bin'
# Device name ('KL27Z', 'LPC55', ...), VID:PID ('0x15A2:0x0073') or None (any from known devices)
devices = scan_usb('LPC55')
for device in devices:
with McuBoot(device, True) as mb:
mb.flash_erase_all()
try:
mb.receive_sb_file(build_sb(app_path, kek_value))
except McuBootCommandError as e:
if e.error_value != StatusCode.ROMLDR_UNEXPECTED_COMMAND:
raise
mb.reset(reopen=False)
