Buf_read.LESourceLittle endian parsers
uint16 parses the next 2 bytes as the lower 16 bits of an int in little-endian byte order
uint32 parses the next 4 bytes as an int32 in little-endian byte order
uint48 parses the next 6 bytes as a 48-bit unsigned big-endian integer
uint64 parses the next 8 bytes as an int64 in little-endian byte order