public nRFHex(String source, String bootloader = null)
{
//"""
//Constructor that requires a firmware file path.
//Softdevices can take an optional bootloader file path as parameter.
//
//:param str source: The file path for the firmware
//:param str bootloader: Optional file path to bootloader firmware
//:return: None
//"""
//super(nRFHex, self).__init__()
this.file_format = "hex";
if (source.EndsWith(".bin"))
this.file_format = "bin";
//TODO this.loadfile(source, this.file_format); loadfile is parent function
this._removeuicr();
this.bootloaderhex = null;
if (bootloader != null)
this.bootloaderhex = new nRFHex(bootloader);
}
public void generate_package(String filename, bool preserve_work_directory = false)
{
/*
"""
Generates a Nordic DFU package. The package is a zip file containing firmware(s) and metadata required
for Nordic DFU applications to perform DFU onn nRF5X devices.
:param str filename: Filename for generated package.
:param bool preserve_work_directory: True to preserve the temporary working directory.
Useful for debugging of a package, and if the user wants to look at the generated package without having to
unzip it.
:return: None
"""
*/
String work_directory = /*this.*/__create_temp_workspace();
if (myPackage._is_bootloader_softdevice_combination(this.firmwares_data))
{
//# Removing softdevice and bootloader data from dictionary and adding the combined later
//softdevice_fw_data = this.firmwares_data.pop(HexType.SOFTDEVICE);
//bootloader_fw_data = this.firmwares_data.pop(HexType.BOOTLOADER);
Dictionary<FirmwareKeys,object> softdevice_fw_data = this.firmwares_data[HexType.SOFTDEVICE];
this.firmwares_data.Remove(HexType.SOFTDEVICE);
Dictionary<FirmwareKeys, object> bootloader_fw_data = this.firmwares_data[HexType.BOOTLOADER];
this.firmwares_data.Remove(HexType.BOOTLOADER);
String softdevice_fw_name = (String)softdevice_fw_data[FirmwareKeys.FIRMWARE_FILENAME];
String bootloader_fw_name = (String)bootloader_fw_data[FirmwareKeys.FIRMWARE_FILENAME];
String new_filename = "sd_bl.bin";
String sd_bl_file_path = os.path.join(work_directory, new_filename);
nRFHex nrf_hex;
nrf_hex = new nRFHex(softdevice_fw_name, bootloader_fw_name);
nrf_hex.tobinfile(sd_bl_file_path);
int softdevice_size = nrf_hex.size();
int bootloader_size = nrf_hex.bootloadersize();
this.__add_firmware_info(HexType.SD_BL,
sd_bl_file_path,
(InitPacketData)softdevice_fw_data[FirmwareKeys.INIT_PACKET_DATA],
softdevice_size,
bootloader_size);
}
/*TODOTODO
foreach(var key in this.firmwares_data)
{
Dictionary<FirmwareKeys, object> firmware = this.firmwares_data[(int)key];
//# Normalize the firmware file and store it in the work directory
firmware[FirmwareKeys.BIN_FILENAME] = //\
Package.normalize_firmware_to_bin(work_directory, firmware[FirmwareKeys.FIRMWARE_FILENAME]);
//# Calculate the hash for the .bin file located in the work directory
String bin_file_path = os.path.join(work_directory, (String)firmware[FirmwareKeys.BIN_FILENAME]);
InitPacketData init_packet_data = (InitPacketData)firmware[FirmwareKeys.INIT_PACKET_DATA];
if (this.dfu_ver <= 0.5)
{
firmware_hash = Package.calculate_crc16(bin_file_path);
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_FIRMWARE_CRC16] = firmware_hash;
} else if (this.dfu_ver == 0.6)
{
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_EXT_PACKET_ID] = INIT_PACKET_USES_CRC16;
firmware_hash = Package.calculate_crc16(bin_file_path);
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_FIRMWARE_CRC16] = firmware_hash;
} else if (this.dfu_ver == 0.7)
{
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_EXT_PACKET_ID] = INIT_PACKET_USES_HASH;
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_FIRMWARE_LENGTH] = (int)(Package.calculate_file_size(bin_file_path));
firmware_hash = Package.calculate_sha256_hash(bin_file_path);
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_FIRMWARE_HASH] = firmware_hash;
} else if (this.dfu_ver == 0.8)
{
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_EXT_PACKET_ID] = INIT_PACKET_EXT_USES_ECDS;
firmware_hash = Package.calculate_sha256_hash(bin_file_path);
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_FIRMWARE_LENGTH] = (int)(Package.calculate_file_size(bin_file_path));
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_FIRMWARE_HASH] = firmware_hash;
temp_packet = this._create_init_packet(firmware);
signer = Signing();
signer.load_key(this.key_file);
signature = signer.sign(temp_packet);
init_packet_data[PacketField.NORDIC_PROPRIETARY_OPT_DATA_INIT_PACKET_ECDS] = signature;
}
//# Store the .dat file in the work directory
init_packet = this._create_init_packet(firmware);
String init_packet_filename = ((String)firmware[FirmwareKeys.BIN_FILENAME]).replace(".bin", ".dat");
with (open(os.path.join(work_directory, init_packet_filename), "wb") as init_packet_file)
init_packet_file.write(init_packet);
firmware[FirmwareKeys.DAT_FILENAME] = //\
init_packet_filename;
}
//# Store the manifest to manifest.json
manifest = this.create_manifest();
with open(os.path.join(work_directory, Package.MANIFEST_FILENAME), "w") as manifest_file:
manifest_file.write(manifest);
//# Package the work_directory to a zip file
Package.create_zip_package(work_directory, filename);
//# Delete the temporary directory
if (!preserve_work_directory)
shutil.rmtree(work_directory);
TODOTODO*/
}
