def _process_hex(cls, in_path):
"""This function returns a list of base addresses and a list of the binary data
for each segment.
"""
ihex = IntelHex(in_path)
segments = ihex.segments()
segments_start = [segment[0] for segment in segments]
segments_data = [
ihex.tobinarray(start=segment[0], end=segment[1] - 1)
for segment in segments
]
return segments_start, segments_data
def merge_hex_executables(target, source, env):
"""Combine all hex files into a singular executable file."""
output_name = str(target[0])
hex_final = IntelHex()
for image in source:
file = str(image)
root, ext = os.path.splitext(file)
file_format = ext[1:]
if file_format == 'elf':
file = root + '.hex'
hex_data = IntelHex(file)
#merge will throw errors on mismatched Start Segment Addresses, which we don't need
#See <https://stackoverflow.com/questions/26295776/what-are-the-intel-hex-records-type-03-or-05-doing-in-ihex-program-for-arm>
hex_data.start_addr = None
hex_final.merge(hex_data, overlap='error')
with open(output_name, 'w') as outfile:
hex_final.write_hex_file(outfile)
def test_bootstrap_file(tmpdir):
"""Make sure we can create a bootstrap file"""
olddir = os.getcwd()
builddir = copy_folder('component_bootstrap', tmpdir)
try:
os.chdir(builddir)
hexdata = IntelHex(os.path.join('build', 'output', 'test1.hex'))
assert hexdata.segments() == [(0x10001014, 0x10001018)]
assert not os.path.isfile(os.path.join('build', 'output', 'test2.hex'))
err = subprocess.call(["iotile", "build"])
assert err == 0
hexdata = IntelHex(os.path.join('build', 'output', 'test_final.hex'))
hexdata_dup = IntelHex(os.path.join('build', 'output', 'test_final_dup.hex'))
assert hexdata.segments() == hexdata_dup.segments()
finally:
os.chdir(olddir)
def _build_reflash_script_action(target, source, env):
"""Create a TRUB script containing tile and controller reflashes and/or sensorgraph
If the app_info is provided, then the final source file will be a sensorgraph.
All subsequent files in source must be in intel hex format. This is guaranteed
by the ensure_image_is_hex call in build_update_script.
"""
out_path = str(target[0])
source = [str(x) for x in source]
records = []
#Update application firmwares
if env['SLOTS'] is not None:
for (controller, slot_id), image_path in zip(env['SLOTS'], source):
hex_data = IntelHex(image_path)
hex_data.padding = 0xFF
offset = hex_data.minaddr()
bin_data = bytearray(
hex_data.tobinarray(offset, hex_data.maxaddr()))
if controller:
record = ReflashControllerRecord(bin_data, offset)
else:
record = ReflashTileRecord(slot_id, bin_data, offset)
records.append(record)
#Update sensorgraph
if env['UPDATE_SENSORGRAPH']:
sensor_graph_file = source[-1]
sensor_graph = compile_sgf(sensor_graph_file)
output = format_script(sensor_graph)
records += UpdateScript.FromBinary(output).records
#Update App and OS Tag
os_info = env['OS_INFO']
app_info = env['APP_INFO']
if os_info is not None:
os_tag, os_version = os_info
records.append(SetDeviceTagRecord(os_tag=os_tag,
os_version=os_version))
if app_info is not None:
app_tag, app_version = app_info
records.append(
SetDeviceTagRecord(app_tag=app_tag, app_version=app_version))
script = UpdateScript(records)
with open(out_path, "wb") as outfile:
outfile.write(script.encode())