public W25QXXDriver(SpiDevice device, W25QXXType chipType)
{
_device = device ?? throw new ArgumentNullException(nameof(device));
ChipInfo = new W25QXXInfo(chipType);
}
internal W25QXXInfo(W25QXXType type)
{
switch (type)
{
case W25QXXType.W25X16:
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 32;
ChipType = W25QXXType.W25X16;
break;
case W25QXXType.W25X32:
Id = 0x3016;
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 64;
ChipType = W25QXXType.W25X32;
break;
case W25QXXType.W25X64:
Id = 0x3017;
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 128;
ChipType = W25QXXType.W25X64;
break;
case W25QXXType.W25Q16:
Id = 0x4015;
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 32;
ChipType = W25QXXType.W25Q16;
break;
case W25QXXType.W25Q32:
Id = 0x4016;
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 64;
ChipType = W25QXXType.W25Q32;
break;
case W25QXXType.W25Q64:
Id = 0x4017;
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 128;
ChipType = W25QXXType.W25Q64;
break;
case W25QXXType.W25Q128:
Id = 0x4018;
L2PageSize = 8;
PagesPerSector = 16;
SectorsPerBlock = 16;
NumberOfBlocks = 256;
ChipType = W25QXXType.W25Q128;
break;
default:
throw new InvalidOperationException("Unknown chip");
}
PageSize = 1 << L2PageSize;
SectorSize = (1 << L2PageSize) * PagesPerSector;
Capacity = PageSize
* PagesPerSector
* SectorsPerBlock
* NumberOfBlocks;
}
