byte[] ReadOtp()
{
var devices = DfuContext.Current.GetDevices();
DfuDevice device = devices[0];
var configuration = new byte[32];
device.Download(configuration, 0x1FFF7800, 2);
return(configuration);
}
// Initialize the internal structures.
public 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;
}
// read in the configuration data if the config sector was found
if ((uint)configAddress != uint.MaxValue)
{
int hal_static_cfg_size = 0;
unsafe
{
hal_static_cfg_size = sizeof(HAL_CONFIGURATION_SECTOR);
}
var devices = DfuContext.Current.GetDevices();
DfuDevice device = devices[0];
m_all_cfg_data = new byte[hal_static_cfg_size];
device.Download(m_all_cfg_data, configAddress);
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;
}
// move to the dynamic configuration section
index = (int)m_StaticConfig.ConfigurationLength;
m_lastCfgIndex = index;
while (true)
{
byte[] data = new byte[hal_config_block_size];
// read the next configuration block
device.Download(data, configAddress + index);
HAL_CONFIG_BLOCK cfg_header = (HAL_CONFIG_BLOCK)UnmarshalData(data, typeof(HAL_CONFIG_BLOCK));
// out of memory or last record
if (cfg_header.Size > configSize)
{
// 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 = null;
while (idx < index)
{
int size = 512;
if ((index - idx) < size)
{
size = index - idx;
}
tmp = new byte[size];
device.Download(tmp, configAddress + idx);
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 > configSize)
{
// 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;
}
