/// <summary> /// The WriteConfig method is used to update or create a device configuration. If the name of the configuration exists /// on the device, then the configuration is updated. Otherwise, a new configuration is added. /// </summary> /// <param name="configName">Unique case-sensitive name of the configuration</param> /// <param name="data">Data to be written for the given name (not including the header)</param> public void WriteConfig(string configName, byte[] data) { uint hal_config_block_size = 0; HAL_CONFIG_BLOCK header = new HAL_CONFIG_BLOCK(); // Create a header for the configuration data unsafe { hal_config_block_size = (uint)sizeof(HAL_CONFIG_BLOCK); header.DriverNameString = configName; } header.HeaderCRC = 0; header.DataCRC = CRC.ComputeCRC(data, 0, data.Length, 0);; header.Size = (uint)data.Length; header.Signature = c_Version_V2; // Calculate CRC information for header and data header.DataCRC = CRC.ComputeCRC(data, 0, (int)data.Length, 0); byte[] headerBytes = MarshalData(header); header.HeaderCRC = CRC.ComputeCRC(headerBytes, (2 * sizeof(UInt32)), (int)hal_config_block_size - (2 * sizeof(UInt32)), c_Seed); headerBytes = MarshalData(header); // Concatonate the header and data byte[] allData = new byte[hal_config_block_size + data.Length]; Array.Copy(headerBytes, allData, hal_config_block_size); Array.Copy(data, 0, allData, hal_config_block_size, data.Length); WriteConfig(configName, allData, false, true); }
public void WriteConfig(string configName, IHAL_CONFIG_BASE config, bool updateConfigSector) { uint hal_config_block_size = 0; HAL_CONFIG_BLOCK header = config.ConfigHeader; unsafe { hal_config_block_size = (uint)sizeof(HAL_CONFIG_BLOCK); header.DriverNameString = configName; } // set up the configuration data header.HeaderCRC = 0; header.DataCRC = 0; header.Size = (uint)config.Size - hal_config_block_size; header.Signature = c_Version_V2; config.ConfigHeader = header; // calculate the data crc byte[] data = MarshalData(config); header.DataCRC = CRC.ComputeCRC(data, (int)hal_config_block_size, (int)(header.Size /* - hal_config_block_size*/), 0); // this enables the data type to update itself with the crc (required because there is no class inheritence in structs and therefore no polymorphism) config.ConfigHeader = header; // calculate the header crc data = MarshalData(config); header.HeaderCRC = CRC.ComputeCRC(data, 2 * sizeof(UInt32), (int)hal_config_block_size - (2 * sizeof(UInt32)), c_Seed); // this enables the data type to update itself with the crc (required because there is no class inheritence in structs and therefore no polymorphism) config.ConfigHeader = header; data = MarshalData(config); WriteConfig(configName, data, true, updateConfigSector); }
/// <summary> /// The WriteConfig method is used to update or create a device configuration. If the name of the configuration exists /// on the device, then the configuration is updated. Otherwise, a new configuration is added. /// </summary> /// <param name="configName">Unique case-sensitive name of the configuration</param> /// <param name="data">Data to be written for the given name (not including the header)</param> public void WriteConfig(string configName, byte[] data) { uint hal_config_block_size = 0; HAL_CONFIG_BLOCK header = new HAL_CONFIG_BLOCK(); // Create a header for the configuration data unsafe { hal_config_block_size = (uint)sizeof(HAL_CONFIG_BLOCK); header.DriverNameString = configName; } header.HeaderCRC = 0; header.DataCRC = CRC.ComputeCRC(data, 0, data.Length, 0); ; header.Size = (uint)data.Length; header.Signature = c_Version_V2; // Calculate CRC information for header and data header.DataCRC = CRC.ComputeCRC(data, 0, (int)data.Length, 0); byte[] headerBytes = MarshalData(header); header.HeaderCRC = CRC.ComputeCRC(headerBytes, (2 * sizeof(UInt32)), (int)hal_config_block_size - (2 * sizeof(UInt32)), c_Seed); headerBytes = MarshalData(header); // Concatonate the header and data byte[] allData = new byte[hal_config_block_size + data.Length]; Array.Copy(headerBytes, allData, hal_config_block_size); Array.Copy(data, 0, allData, hal_config_block_size, data.Length); WriteConfig(configName, allData, false, true); }
// Initialize the internal structures. private void InitializeConfigData() { uint hal_config_block_size = 0; uint hal_config_static_size = 0; int index = 0; unsafe { hal_config_block_size = (uint)sizeof(HAL_CONFIG_BLOCK); hal_config_static_size = (uint)sizeof(HAL_CONFIGURATION_SECTOR) - hal_config_block_size; } m_cfg_sector.m_address = uint.MaxValue; m_cfg_sector.m_size = 0; _DBG.Engine engine = m_device.DbgEngine; if (!engine.TryToConnect(10, 100, true, Microsoft.SPOT.Debugger.ConnectionSource.Unknown)) { throw new MFDeviceNoResponseException(); } if (m_device.DbgEngine.PortDefinition is _DBG.PortDefinition_Tcp) { m_device.UpgradeToSsl(); } _DBG.WireProtocol.Commands.Monitor_FlashSectorMap.Reply reply = engine.GetFlashSectorMap(); // Find the config sector foreach (_DBG.WireProtocol.Commands.Monitor_FlashSectorMap.FlashSectorData fsd in reply.m_map) { const uint usage_mask = _DBG.WireProtocol.Commands.Monitor_FlashSectorMap.c_MEMORY_USAGE_MASK; const uint usage_cfg = _DBG.WireProtocol.Commands.Monitor_FlashSectorMap.c_MEMORY_USAGE_CONFIG; if (usage_cfg == (fsd.m_flags & usage_mask)) { m_cfg_sector = fsd; break; } } // read in the configuration data if the config sector was found if (m_cfg_sector.m_address != uint.MaxValue) { int hal_static_cfg_size = 0; unsafe { hal_static_cfg_size = sizeof(HAL_CONFIGURATION_SECTOR); } // read in the static portion of the config sector engine.ReadMemory(m_cfg_sector.m_address, (uint)hal_static_cfg_size, out m_all_cfg_data); m_StaticConfig = (HAL_CONFIGURATION_SECTOR)UnmarshalData(m_all_cfg_data, typeof(HAL_CONFIGURATION_SECTOR)); // uninitialized config sector, lets try to fix it if (m_StaticConfig.ConfigurationLength == 0xFFFFFFFF) { m_StaticConfig.ConfigurationLength = (uint)hal_static_cfg_size; m_StaticConfig.Version.Major = 3; m_StaticConfig.Version.Minor = 0; m_StaticConfig.Version.Extra = 0; m_StaticConfig.Version.TinyBooter = 4; } if (m_StaticConfig.ConfigurationLength >= m_cfg_sector.m_size) { throw new MFInvalidConfigurationSectorException(); } if (m_StaticConfig.Version.TinyBooter == 4) { m_fStaticCfgOK = true; } else { m_fStaticCfgOK = (m_StaticConfig.ConfigurationLength != hal_config_static_size); } // determine if we have a new or old version of the config (security keys are only supported in the new version) m_fValidConfig = (m_StaticConfig.Version.TinyBooter == CONFIG_SECTOR_VERSION.c_CurrentTinyBooterVersion); if (m_fStaticCfgOK) { m_firmwareKeyLocked = CheckKeyLocked(m_StaticConfig, true); m_deployKeyLocked = CheckKeyLocked(m_StaticConfig, false); } // move to the dynamic configuration section index = (int)m_StaticConfig.ConfigurationLength; m_lastCfgIndex = index; while (true) { byte[] data; // read the next configuration block engine.ReadMemory((uint)(m_cfg_sector.m_address + index), hal_config_block_size, out data); HAL_CONFIG_BLOCK cfg_header = (HAL_CONFIG_BLOCK)UnmarshalData(data, typeof(HAL_CONFIG_BLOCK)); // out of memory or last record if (cfg_header.Size > m_cfg_sector.m_size) { // last record or bogus entry m_lastCfgIndex = index; // save the configuration data for later use m_all_cfg_data = new byte[m_lastCfgIndex]; int idx = 0; byte[] tmp; while (idx < index) { int size = 512; if ((index - idx) < size) { size = index - idx; } engine.ReadMemory((uint)(m_cfg_sector.m_address + idx), (uint)size, out tmp); Array.Copy(tmp, 0, m_all_cfg_data, idx, tmp.Length); idx += size; } break; // no more configs } // move to the next configuration block if (cfg_header.Size + hal_config_block_size + index > m_cfg_sector.m_size) { // end of config sector break; } m_cfgHash[cfg_header.DriverNameString] = new ConfigIndexData(index, (int)(cfg_header.Size + hal_config_block_size)); index += (int)(cfg_header.Size + hal_config_block_size); while (0 != (index % 4)) { index++; } } } m_init = true; }