public static VariableLengthValue GetVariableLengthValueFromBitString(ref uint cursor, ref byte[] bitString)
{
uint length = 1;
for (uint i = 0; i < length; ++i)
{
var tempByte = GetByteFromBitString(ref cursor, ref bitString);
if ((tempByte & 0x80) == 0x80)
{
length++;
}
}
cursor -= length;
uint val = 0x00000000;
for (uint i = 0; i < length; ++i)
{
val |= GetByteFromBitString(ref cursor, ref bitString);
if (i + 1 < length)
{
val <<= 8;
}
}
return(new VariableLengthValue(VariableLengthValue.ToNumber(val)));
}
public SDCard(string imageFile, long?size = null, bool persistent = false, bool spiMode = false)
{
this.spiMode = spiMode;
spiContext = new SpiContext();
isIdle = true;
dataBackend = DataStorage.Create(imageFile, size, persistent);
var sdCapacityParameters = SDCapacity.SeekForCapacityParametes(dataBackend.Length);
dataBackend.SetLength(sdCapacityParameters.MemoryCapacity);
cardStatusGenerator = new VariableLengthValue(32)
.DefineFragment(5, 1, () => (treatNextCommandAsAppCommand ? 1 : 0u), name: "APP_CMD bit")
.DefineFragment(8, 1, 1, name: "READY_FOR_DATA bit");
operatingConditionsGenerator = new VariableLengthValue(32)
.DefineFragment(31, 1, 1, name: "Card power up status bit (busy)")
;
cardSpecificDataGenerator = new VariableLengthValue(128)
.DefineFragment(47, 3, (uint)sdCapacityParameters.Multiplier, name: "device size multiplier")
.DefineFragment(62, 12, (ulong)sdCapacityParameters.DeviceSize, name: "device size")
.DefineFragment(80, 4, (uint)sdCapacityParameters.BlockSize, name: "max read data block length")
.DefineFragment(84, 12, (uint)CardCommandClass.Class0, name: "card command classes")
.DefineFragment(96, 3, (uint)TransferRate.Transfer10Mbit, name: "transfer rate unit")
.DefineFragment(99, 4, (uint)TransferMultiplier.Multiplier2_5, name: "transfer multiplier")
;
cardIdentificationGenerator = new VariableLengthValue(128)
.DefineFragment(8, 4, 8, name: "manufacturer date code - month")
.DefineFragment(12, 8, 18, name: "manufacturer date code - year")
.DefineFragment(64, 8, (uint)'D', name: "product name 5")
.DefineFragment(72, 8, (uint)'O', name: "product name 4")
.DefineFragment(80, 8, (uint)'N', name: "product name 3")
.DefineFragment(88, 8, (uint)'E', name: "product name 2")
.DefineFragment(96, 8, (uint)'R', name: "product name 1")
.DefineFragment(120, 8, 0xab, name: "manufacturer ID")
;
}
public SDCard(string imageFile, long?size = null, bool persistent = false, bool spiMode = false)
{
this.spiMode = spiMode;
spiContext = new SpiContext();
dataBackend = DataStorage.Create(imageFile, size, persistent);
var sdCapacityParameters = SDCapacity.SeekForCapacityParametes(dataBackend.Length);
dataBackend.SetLength(sdCapacityParameters.MemoryCapacity);
blockLengthInBytes = (uint)(1 << sdCapacityParameters.BlockSize);
cardStatusGenerator = new VariableLengthValue(32)
.DefineFragment(5, 1, () => (treatNextCommandAsAppCommand ? 1 : 0u), name: "APP_CMD bit")
.DefineFragment(8, 1, 1, name: "READY_FOR_DATA bit")
.DefineFragment(9, 4, () => (uint)state, name: "CURRENT_STATE");
operatingConditionsGenerator = new VariableLengthValue(32)
.DefineFragment(8, 1, 1, name: "VDD voltage window 2.0 - 2.1")
.DefineFragment(9, 1, 1, name: "VDD voltage window 2.1 - 2.2")
.DefineFragment(10, 1, 1, name: "VDD voltage window 2.2 - 2.3")
.DefineFragment(11, 1, 1, name: "VDD voltage window 2.3 - 2.4")
.DefineFragment(12, 1, 1, name: "VDD voltage window 2.4 - 2.5")
.DefineFragment(13, 1, 1, name: "VDD voltage window 2.5 - 2.6")
.DefineFragment(14, 1, 1, name: "VDD voltage window 2.6 - 2.7")
.DefineFragment(15, 1, 1, name: "VDD voltage window 2.7 - 2.8")
.DefineFragment(16, 1, 1, name: "VDD voltage window 2.8 - 2.9")
.DefineFragment(17, 1, 1, name: "VDD voltage window 2.9 - 3.0")
.DefineFragment(18, 1, 1, name: "VDD voltage window 3.0 - 3.1")
.DefineFragment(19, 1, 1, name: "VDD voltage window 3.1 - 3.2")
.DefineFragment(20, 1, 1, name: "VDD voltage window 3.2 - 3.3")
.DefineFragment(21, 1, 1, name: "VDD voltage window 3.3 - 3.4")
.DefineFragment(22, 1, 1, name: "VDD voltage window 3.4 - 3.5")
.DefineFragment(23, 1, 1, name: "VDD voltage window 3.5 - 3.6")
.DefineFragment(30, 1, () => highCapacityMode ? 1 : 0u, name: "Card Capacity Status")
.DefineFragment(31, 1, 1, name: "Card power up status bit (busy)")
;
cardSpecificDataGenerator = new VariableLengthValue(128)
.DefineFragment(47, 3, (uint)sdCapacityParameters.Multiplier, name: "device size multiplier")
.DefineFragment(62, 12, (ulong)sdCapacityParameters.DeviceSize, name: "device size")
.DefineFragment(80, 4, (uint)sdCapacityParameters.BlockSize, name: "max read data block length")
.DefineFragment(84, 12, (uint)(
CardCommandClass.Class0
| CardCommandClass.Class2
| CardCommandClass.Class4
), name: "card command classes")
.DefineFragment(96, 3, (uint)TransferRate.Transfer10Mbit, name: "transfer rate unit")
.DefineFragment(99, 4, (uint)TransferMultiplier.Multiplier2_5, name: "transfer multiplier")
;
cardIdentificationGenerator = new VariableLengthValue(128)
.DefineFragment(8, 4, 8, name: "manufacturer date code - month")
.DefineFragment(12, 8, 18, name: "manufacturer date code - year")
.DefineFragment(64, 8, (uint)'D', name: "product name 5")
.DefineFragment(72, 8, (uint)'O', name: "product name 4")
.DefineFragment(80, 8, (uint)'N', name: "product name 3")
.DefineFragment(88, 8, (uint)'E', name: "product name 2")
.DefineFragment(96, 8, (uint)'R', name: "product name 1")
.DefineFragment(120, 8, 0xab, name: "manufacturer ID")
;
}
public static void StreamObjectToBitString(ref uint cursor, ref byte[] bitString, VariableLengthValue obj, ulong length)
{
var objString = obj.ToBitString();
for (ulong i = 0; i < length; ++i)
{
bitString[cursor++] = objString[(int)i];
}
}
public SDCard(string imageFile, long?size = null, bool persistent = false, bool spiMode = false, bool highCapacityMode = false)
{
this.spiMode = spiMode;
this.highCapacityMode = highCapacityMode;
spiContext = new SpiContext();
dataBackend = DataStorage.Create(imageFile, size, persistent);
var sdCapacityParameters = SDCapacity.SeekForCapacityParametes(dataBackend.Length);
dataBackend.SetLength(sdCapacityParameters.MemoryCapacity);
blockLengthInBytes = (uint)(1 << sdCapacityParameters.BlockSize);
cardStatusGenerator = new VariableLengthValue(32)
.DefineFragment(5, 1, () => (treatNextCommandAsAppCommand ? 1 : 0u), name: "APP_CMD bit")
.DefineFragment(8, 1, 1, name: "READY_FOR_DATA bit")
.DefineFragment(9, 4, () => (uint)state, name: "CURRENT_STATE")
;
operatingConditionsGenerator = new VariableLengthValue(32)
.DefineFragment(8, 1, 1, name: "VDD voltage window 2.0 - 2.1")
.DefineFragment(9, 1, 1, name: "VDD voltage window 2.1 - 2.2")
.DefineFragment(10, 1, 1, name: "VDD voltage window 2.2 - 2.3")
.DefineFragment(11, 1, 1, name: "VDD voltage window 2.3 - 2.4")
.DefineFragment(12, 1, 1, name: "VDD voltage window 2.4 - 2.5")
.DefineFragment(13, 1, 1, name: "VDD voltage window 2.5 - 2.6")
.DefineFragment(14, 1, 1, name: "VDD voltage window 2.6 - 2.7")
.DefineFragment(15, 1, 1, name: "VDD voltage window 2.7 - 2.8")
.DefineFragment(16, 1, 1, name: "VDD voltage window 2.8 - 2.9")
.DefineFragment(17, 1, 1, name: "VDD voltage window 2.9 - 3.0")
.DefineFragment(18, 1, 1, name: "VDD voltage window 3.0 - 3.1")
.DefineFragment(19, 1, 1, name: "VDD voltage window 3.1 - 3.2")
.DefineFragment(20, 1, 1, name: "VDD voltage window 3.2 - 3.3")
.DefineFragment(21, 1, 1, name: "VDD voltage window 3.3 - 3.4")
.DefineFragment(22, 1, 1, name: "VDD voltage window 3.4 - 3.5")
.DefineFragment(23, 1, 1, name: "VDD voltage window 3.5 - 3.6")
.DefineFragment(30, 1, () => this.highCapacityMode ? 1 : 0u, name: "Card Capacity Status")
.DefineFragment(31, 1, 1, name: "Card power up status bit (busy)")
;
cardSpecificDataGenerator = new VariableLengthValue(128)
.DefineFragment(47, 3, (uint)sdCapacityParameters.Multiplier, name: "device size multiplier")
.DefineFragment(62, 12, (ulong)sdCapacityParameters.DeviceSize, name: "device size")
.DefineFragment(80, 4, (uint)sdCapacityParameters.BlockSize, name: "max read data block length")
.DefineFragment(84, 12, (uint)(
CardCommandClass.Class0
| CardCommandClass.Class2
| CardCommandClass.Class4
), name: "card command classes")
.DefineFragment(96, 3, (uint)TransferRate.Transfer10Mbit, name: "transfer rate unit")
.DefineFragment(99, 4, (uint)TransferMultiplier.Multiplier2_5, name: "transfer multiplier")
;
extendedCardSpecificDataGenerator = new VariableLengthValue(4096)
.DefineFragment((120), 8, 1, name: "command queue enabled")
.DefineFragment((1472), 8, 1, name: "es support")
.DefineFragment((1480), 8, 1, name: "hw hs timing")
.DefineFragment((1568), 8, (uint)DeviceType.SDR50Mhz, name: "device type")
.DefineFragment((2464), 8, 1, name: "command queue support")
;
cardIdentificationGenerator = new VariableLengthValue(128)
.DefineFragment(8, 4, 8, name: "manufacturer date code - month")
.DefineFragment(12, 8, 18, name: "manufacturer date code - year")
.DefineFragment(64, 8, (uint)'D', name: "product name 5")
.DefineFragment(72, 8, (uint)'O', name: "product name 4")
.DefineFragment(80, 8, (uint)'N', name: "product name 3")
.DefineFragment(88, 8, (uint)'E', name: "product name 2")
.DefineFragment(96, 8, (uint)'R', name: "product name 1")
.DefineFragment(120, 8, 0xab, name: "manufacturer ID")
;
switchFunctionStatusGenerator = new VariableLengthValue(512)
.DefineFragment(128, 1, 0x1, name: "Function Number/Status Code")
;
cardConfigurationGenerator = new VariableLengthValue(64)
.DefineFragment(0, 32, 0, name: "reserved")
.DefineFragment(32, 16, 0, name: "reserved")
.DefineFragment(48, 4, 5, name: "DAT Bus width supported") // DAT0 (1-bit) and DAT0-3 (4-bit)
.DefineFragment(52, 3, 0, name: "SD Security Support") // 0: No security
.DefineFragment(55, 1, 0, name: "data_status_after erases")
.DefineFragment(56, 4, 0, name: "SD Card - Spec. Version") // 0: Version 1.0-1.01
.DefineFragment(60, 4, 0, name: "SCR Structure") // 0: SCR version No 1.0
;
}
public VariableLengthValue(VariableLengthValue other)
{
Length = other.Length;
Value = other.Value;
}