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from typing import Optional

from .abstract_memory_system import AbstractMemorySystem
from .dram_interfaces.ddr3 import (
    DDR3_1600_8x8,
    DDR3_2133_8x8,
)
from .dram_interfaces.ddr4 import DDR4_2400_8x8
from .dram_interfaces.hbm import HBM_1000_4H_1x64
from .dram_interfaces.lpddr3 import LPDDR3_1600_1x32
from .memory import ChanneledMemory


def DualChannelDDR3_1600(
    size: Optional[str] = None,
) -> AbstractMemorySystem:
    """
    A dual channel memory system using DDR3_1600_8x8 based DIMM
    """
    return ChanneledMemory(DDR3_1600_8x8, 2, 64, size=size)


def DualChannelDDR3_2133(
    size: Optional[str] = None,
) -> AbstractMemorySystem:
    """
    A dual channel memory system using DDR3_2133_8x8 based DIMM
    """
    return ChanneledMemory(DDR3_2133_8x8, 2, 64, size=size)


def DualChannelDDR4_2400(
    size: Optional[str] = None,
) -> AbstractMemorySystem:
    """
    A dual channel memory system using DDR4_2400_8x8 based DIMM
    """
    return ChanneledMemory(DDR4_2400_8x8, 2, 64, size=size)


def DualChannelLPDDR3_1600(
    size: Optional[str] = None,
) -> AbstractMemorySystem:
    return ChanneledMemory(LPDDR3_1600_1x32, 2, 64, size=size)