srne-mqtt/misc/dump_memory_map.py

# -*- coding: utf-8 -*-
import os
import sys
from typing import List

sys.path.insert(1, os.path.dirname(os.path.dirname(sys.argv[0])))

from draw_memory_map import memory_table  # noqa: E402

from srnemqtt.config import get_config, get_interface  # noqa: E402
from srnemqtt.interfaces import BaseInterface  # noqa: E402
from srnemqtt.protocol import readMemory  # noqa: E402


def get_device_name(iface: BaseInterface) -> str | None:
    data = readMemory(iface, 0x0C, 8)
    if data is None:
        return None

    return data.decode("utf-8").strip()


def get_device_version(iface: BaseInterface) -> str | None:
    data = readMemory(iface, 0x14, 4)
    if data is None:
        return None

    major = (data[0] << 8) + data[1]
    minor = data[2]
    patch = data[3]

    return f"{major}.{minor}.{patch}"


def get_device_serial(iface: BaseInterface) -> str | None:
    data = readMemory(iface, 0x18, 3)
    if data is None:
        return None

    p1 = data[0]
    p2 = data[1]
    p3 = (data[2] << 8) + data[3]
    return f"{p1}-{p2}-{p3}"


if __name__ == "__main__":
    conf = get_config()
    iface = get_interface(conf)

    print(get_device_name(iface))
    print(get_device_version(iface))
    print(get_device_serial(iface))

    data: List[int] = []
    for i in range(0, 0xFFFF, 16):
        newdata = readMemory(iface, i, 16)
        if newdata:
            data.extend(newdata)
    # !!! FIXME: Naively assumes all queries return the exact words requested
    print(
        memory_table(
            data,
            wordsize=2,
            skip_nullrows=True,
        )
    )