mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-12-02 01:54:14 +01:00
685 lines
23 KiB
Python
685 lines
23 KiB
Python
#!/usr/bin/env python3
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from serial import Serial, SerialException
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from serial.tools import list_ports
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import argparse
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import filecmp
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import os
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import progressbar
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import re
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import sys
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import time
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class SC64Exception(Exception):
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pass
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class SC64:
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__CFG_ID_SCR = 0
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__CFG_ID_SDRAM_SWITCH = 1
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__CFG_ID_SDRAM_WRITABLE = 2
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__CFG_ID_DD_ENABLE = 3
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__CFG_ID_SAVE_TYPE = 4
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__CFG_ID_CIC_SEED = 5
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__CFG_ID_TV_TYPE = 6
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__CFG_ID_SAVE_OFFEST = 7
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__CFG_ID_DDIPL_OFFEST = 8
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__CFG_ID_BOOT_MODE = 9
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__CFG_ID_FLASH_SIZE = 10
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__CFG_ID_FLASH_READ = 11
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__CFG_ID_FLASH_PROGRAM = 12
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__CFG_ID_RECONFIGURE = 13
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__SC64_VERSION_V2 = 0x53437632
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__UPDATE_OFFSET = 0x03B60000
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__CHUNK_SIZE = 256 * 1024
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__MIN_ROM_LENGTH = 0x101000
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__DDIPL_ROM_LENGTH = 0x400000
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__DEBUG_ID_TEXT = 0x01
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__DEBUG_ID_FSD_READ = 0xF1
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__DEBUG_ID_FSD_WRITE = 0xF2
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__DEBUG_ID_FSD_SECTOR = 0xF3
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__DEBUG_ID_DD_BLOCK = 0xF5
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__DD_USER_SECTORS_IN_BLOCK = 85
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def __init__(self) -> None:
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self.__serial = None
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self.__progress_init = None
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self.__progress_value = None
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self.__progress_finish = None
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self.__fsd_file = None
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self.__disk_file = None
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self.__find_sc64()
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def __del__(self) -> None:
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if (self.__serial):
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self.__serial.close()
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if (self.__fsd_file):
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self.__fsd_file.close()
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def __set_progress_init(self, value: int, label: str) -> None:
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if (self.__progress_init != None):
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self.__progress_init(value, label)
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def __set_progress_value(self, value: int) -> None:
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if (self.__progress_value != None):
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self.__progress_value(value)
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def __set_progress_finish(self) -> None:
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if (self.__progress_finish != None):
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self.__progress_finish()
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def __align(self, value: int, align: int) -> int:
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return (value + (align - 1)) & ~(align - 1)
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def __escape(self, data: bytes) -> bytes:
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return re.sub(b"\x1B", b"\x1B\x1B", data)
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def __reset_link(self) -> None:
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self.__serial.write(b"\x1BR")
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def __read(self, bytes: int) -> bytes:
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return self.__serial.read(bytes)
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def __write(self, data: bytes) -> None:
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self.__serial.write(self.__escape(data))
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def __read_long(self, length: int) -> bytes:
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data = bytearray()
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while (len(data) < length):
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data += self.__read(length - len(data))
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return bytes(data)
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def __write_dummy(self, length: int) -> None:
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self.__write(bytes(length))
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def __read_int(self) -> int:
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return int.from_bytes(self.__read(4), byteorder="big")
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def __write_int(self, value: int) -> None:
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self.__write(value.to_bytes(4, byteorder="big"))
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def __read_cmd_status(self, cmd: str) -> None:
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if (self.__read(4) != f"CMP{cmd[0]}".encode(encoding="ascii")):
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raise SC64Exception("Wrong command response")
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def __write_cmd(self, cmd: str, arg1: int, arg2: int) -> None:
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self.__write(f"CMD{cmd[0]}".encode())
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self.__write_int(arg1)
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self.__write_int(arg2)
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def __find_sc64(self) -> None:
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ports = list_ports.comports()
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device_found = False
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if (self.__serial != None and self.__serial.isOpen()):
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self.__serial.close()
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for p in ports:
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if (p.vid == 0x0403 and p.pid == 0x6014 and p.serial_number.startswith("SC64")):
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try:
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self.__serial = Serial(p.device, timeout=1.0, write_timeout=1.0)
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self.__serial.flushOutput()
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self.__reset_link()
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while (self.__serial.in_waiting):
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self.__serial.read_all()
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time.sleep(0.1)
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self.__probe_device()
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except (SerialException, SC64Exception):
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if (self.__serial):
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self.__serial.close()
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continue
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device_found = True
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break
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if (not device_found):
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raise SC64Exception("No SummerCart64 device was found")
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def __probe_device(self) -> None:
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self.__write_cmd("V", 0, 0)
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version = self.__read_int()
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self.__read_cmd_status("V")
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if (version != self.__SC64_VERSION_V2):
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raise SC64Exception(f"Unknown hardware version: {hex(version)}")
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def __query_config(self, id: int) -> int:
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self.__write_cmd("Q", id, 0)
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value = self.__read_int()
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self.__read_cmd_status("Q")
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return value
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def __change_config(self, id: int, arg: int = 0, ignore_response: bool = False) -> None:
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self.__write_cmd("C", id, arg)
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if (not ignore_response):
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self.__read_cmd_status("C")
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def __debug_write(self, type: int, data: bytes) -> None:
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self.__write_cmd("D", type, len(data))
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self.__write(data)
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def __read_file_from_sdram(self, file: str, offset: int, length: int, align: int = 2) -> None:
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with open(file, "wb") as f:
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transfer_size = self.__align(length, align)
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self.__set_progress_init(transfer_size, os.path.basename(f.name))
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self.__write_cmd("R", offset, transfer_size)
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while (f.tell() < length):
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chunk_size = min(self.__CHUNK_SIZE, length - f.tell())
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f.write(self.__read(chunk_size))
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self.__set_progress_value(f.tell())
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if (transfer_size != length):
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self.__read(transfer_size - length)
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self.__read_cmd_status("R")
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self.__set_progress_finish()
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def __write_file_to_sdram(self, file: str, offset: int, align: int = 2, min_length: int = 0) -> None:
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with open(file, "rb") as f:
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length = os.fstat(f.fileno()).st_size
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transfer_size = self.__align(max(length, min_length), align)
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self.__set_progress_init(transfer_size, os.path.basename(f.name))
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self.__write_cmd("W", offset, transfer_size)
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while (f.tell() < length):
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self.__write(f.read(min(self.__CHUNK_SIZE, length - f.tell())))
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self.__set_progress_value(f.tell())
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if (transfer_size != length):
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self.__write_dummy(transfer_size - length)
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self.__read_cmd_status("W")
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self.__set_progress_finish()
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def __get_save_length(self) -> None:
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save_type = self.__query_config(self.__CFG_ID_SAVE_TYPE)
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return {
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0: 0,
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1: 512,
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2: 2048,
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3: (32 * 1024),
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4: (128 * 1024),
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5: (3 * 32 * 1024),
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6: (128 * 1024)
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}[save_type]
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def __reconfigure(self) -> None:
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magic = self.__query_config(self.__CFG_ID_RECONFIGURE)
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self.__change_config(self.__CFG_ID_RECONFIGURE, magic, ignore_response=True)
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time.sleep(0.2)
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def backup_firmware(self, file: str) -> None:
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length = self.__query_config(self.__CFG_ID_FLASH_SIZE)
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self.__change_config(self.__CFG_ID_FLASH_READ, self.__UPDATE_OFFSET)
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self.__read_file_from_sdram(file, self.__UPDATE_OFFSET, length)
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def update_firmware(self, file: str) -> None:
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self.__write_file_to_sdram(file, self.__UPDATE_OFFSET)
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saved_timeout = self.__serial.timeout
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self.__serial.timeout = 20.0
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self.__change_config(self.__CFG_ID_FLASH_PROGRAM, self.__UPDATE_OFFSET)
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self.__serial.timeout = saved_timeout
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self.__reconfigure()
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self.__find_sc64()
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def set_boot_mode(self, mode: int) -> None:
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if (mode >= 0 and mode <= 3):
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self.__change_config(self.__CFG_ID_BOOT_MODE, mode)
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else:
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raise SC64Exception("Boot mode outside of supported values")
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def get_boot_mode_label(self, mode: int) -> None:
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if (mode < 0 or mode > 3):
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return "Unknown"
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return {
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0: "Load menu from SD card",
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1: "Load ROM from SDRAM through bootloader",
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2: "Load DDIPL from SDRAM",
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3: "Load ROM from SDRAM directly without bootloader"
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}[mode]
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def set_tv_type(self, type: int = None) -> None:
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if (type == None or type == 3):
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self.__change_config(self.__CFG_ID_TV_TYPE, 3)
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elif (type >= 0 and type <= 2):
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self.__change_config(self.__CFG_ID_TV_TYPE, type)
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else:
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raise SC64Exception("TV type outside of supported values")
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def get_tv_type_label(self, type: int) -> None:
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if (type < 0 or type > 2):
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return "Unknown"
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return {
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0: "PAL",
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1: "NTSC",
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2: "MPAL"
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}[type]
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def set_cic_seed(self, seed: int = None) -> None:
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if (seed == None or seed == 0xFFFF):
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self.__change_config(self.__CFG_ID_CIC_SEED, 0xFFFF)
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elif (seed >= 0 and seed <= 0x1FF):
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self.__change_config(self.__CFG_ID_CIC_SEED, seed)
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else:
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raise SC64Exception("CIC seed outside of supported values")
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def download_rom(self, file: str, length: int, offset: int = 0) -> None:
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self.__read_file_from_sdram(file, offset, length)
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def upload_rom(self, file: str, offset: int = 0) -> None:
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self.__write_file_to_sdram(file, offset, min_length=self.__MIN_ROM_LENGTH)
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def set_save_type(self, type: int) -> None:
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if (type >= 0 and type <= 6):
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self.__change_config(self.__CFG_ID_SAVE_TYPE, type)
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else:
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raise SC64Exception("Save type outside of supported values")
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def get_save_type_label(self, type: int) -> None:
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if (type < 0 or type > 6):
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return "Unknown"
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return {
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0: "No save",
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1: "EEPROM 4Kb",
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2: "EEPROM 16Kb",
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3: "SRAM 256Kb",
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4: "FlashRAM 1Mb",
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5: "SRAM 768Kb",
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6: "FlashRAM 1Mb (Pokemon Stadium 2 special case)"
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}[type]
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def download_save(self, file: str) -> None:
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length = self.__get_save_length()
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if (length > 0):
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offset = self.__query_config(self.__CFG_ID_SAVE_OFFEST)
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self.__read_file_from_sdram(file, offset, length)
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else:
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raise SC64Exception("Can't read save data - no save type is set")
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def upload_save(self, file: str) -> None:
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length = self.__get_save_length()
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save_length = os.path.getsize(file)
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if (length <= 0):
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raise SC64Exception("Can't write save data - no save type is set")
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elif (length != save_length):
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raise SC64Exception("Can't write save data - save file size is different than expected")
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else:
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offset = self.__query_config(self.__CFG_ID_SAVE_OFFEST)
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self.__write_file_to_sdram(file, offset)
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def set_dd_enable(self, enable: bool) -> None:
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self.__change_config(self.__CFG_ID_DD_ENABLE, 1 if enable else 0)
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def download_dd_ipl(self, file: str) -> None:
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dd_ipl_offset = self.__query_config(self.__CFG_ID_DDIPL_OFFEST)
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self.__read_file_from_sdram(file, dd_ipl_offset, length=self.__DDIPL_ROM_LENGTH)
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def upload_dd_ipl(self, file: str, offset: int = None) -> None:
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if (offset != None):
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self.__change_config(self.__CFG_ID_DDIPL_OFFEST, offset)
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dd_ipl_offset = self.__query_config(self.__CFG_ID_DDIPL_OFFEST)
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self.__write_file_to_sdram(file, dd_ipl_offset, min_length=self.__DDIPL_ROM_LENGTH)
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def __debug_process_fsd_set_sector(self, data: bytes) -> None:
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sector = int.from_bytes(data[0:4], byteorder='big')
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if (self.__fsd_file):
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self.__fsd_file.seek(sector * 512)
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def __debug_process_fsd_read(self, data: bytes) -> None:
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length = int.from_bytes(data[0:4], byteorder='big')
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if (self.__fsd_file):
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self.__debug_write(self.__DEBUG_ID_FSD_READ, self.__fsd_file.read(length))
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else:
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self.__debug_write(self.__DEBUG_ID_FSD_READ, bytes(length))
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def __debug_process_fsd_write(self, data: bytes) -> None:
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if (self.__fsd_file):
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self.__fsd_file.write(data)
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def __dd_track_offset(self, head_track: int, sector_size: int) -> int:
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# shamelessly stolen from MAME implementation, to be rewritten
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head = (head_track & 0x1000) >> 9
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track = head_track & 0xFFF
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dd_zone = 0
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tr_off = 0
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if (track >= 0x425):
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dd_zone = 7 + head
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tr_off = track - 0x425
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elif (track >= 0x390):
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dd_zone = 6 + head
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tr_off = track - 0x390
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elif (track >= 0x2FB):
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dd_zone = 5 + head
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tr_off = track - 0x2FB
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elif (track >= 0x266):
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dd_zone = 4 + head
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tr_off = track - 0x266
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elif (track >= 0x1D1):
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dd_zone = 3 + head
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tr_off = track - 0x1D1
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elif (track >= 0x13C):
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dd_zone = 2 + head
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tr_off = track - 0x13C
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elif (track >= 0x9E):
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dd_zone = 1 + head
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tr_off = track - 0x9E
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else:
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dd_zone = 0 + head
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tr_off = track
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ddStartOffset = [
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0x0000000,
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0x05F15E0,
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0x0B79D00,
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0x10801A0,
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0x1523720,
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0x1963D80,
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0x1D414C0,
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0x20BBCE0,
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0x23196E0,
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0x28A1E00,
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0x2DF5DC0,
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0x3299340,
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0x36D99A0,
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0x3AB70E0,
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0x3E31900,
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0x4149200
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]
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return ddStartOffset[dd_zone] + tr_off * sector_size * self.__DD_USER_SECTORS_IN_BLOCK * 2
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def __dd_calculate_file_offset(self, head_track: int, starting_block: int, sector_size: int) -> int:
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offset = self.__dd_track_offset(head_track, sector_size)
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offset += starting_block * self.__DD_USER_SECTORS_IN_BLOCK * sector_size
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return offset
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def __debug_process_dd_block(self, data: bytes) -> None:
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transfer_mode = int.from_bytes(data[0:4], byteorder='little')
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head_track = int.from_bytes(data[4:6], byteorder='little')
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starting_block = int.from_bytes(data[6:7], byteorder='little')
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sector_size = int.from_bytes(data[7:8], byteorder='little')
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if (self.__disk_file):
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file_offset = self.__dd_calculate_file_offset(head_track, starting_block, sector_size)
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self.__disk_file.seek(file_offset)
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if (transfer_mode):
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block_data = self.__disk_file.read(sector_size * self.__DD_USER_SECTORS_IN_BLOCK)
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self.__debug_write(self.__DEBUG_ID_DD_BLOCK, block_data)
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else:
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block_data = self.__read_long(sector_size * self.__DD_USER_SECTORS_IN_BLOCK)
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self.__disk_file.write(block_data)
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else:
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if (transfer_mode):
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self.__debug_write(self.__DEBUG_ID_DD_BLOCK, bytes(4))
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def debug_loop(self, file: str = None, disk_file: str = None) -> None:
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print("\r\n\033[34m --- Debug server started --- \033[0m\r\n")
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self.__serial.timeout = 0.01
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self.__serial.write_timeout = 1
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if (file):
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self.__fsd_file = open(file, "rb+")
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if (disk_file):
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self.__disk_file = open(disk_file, "rb+")
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start_indicator = bytearray()
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dropped_bytes = 0
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while (True):
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while (start_indicator != b"DMA@"):
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start_indicator.append(self.__read_long(1)[0])
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if (len(start_indicator) > 4):
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dropped_bytes += 1
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start_indicator.pop(0)
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start_indicator.clear()
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if (dropped_bytes):
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print(f"\033[35mWarning - dropped {dropped_bytes} bytes from stream\033[0m", file=sys.stderr)
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dropped_bytes = 0
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header = self.__read_long(4)
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id = int(header[0])
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length = int.from_bytes(header[1:4], byteorder="big")
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if (length > 0):
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data = self.__read_long(length)
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if (id == self.__DEBUG_ID_TEXT):
|
|
print(data.decode(encoding="ascii", errors="backslashreplace"), end="")
|
|
elif (id == self.__DEBUG_ID_FSD_READ):
|
|
self.__debug_process_fsd_read(data)
|
|
elif (id == self.__DEBUG_ID_FSD_WRITE):
|
|
self.__debug_process_fsd_write(data)
|
|
elif (id == self.__DEBUG_ID_FSD_SECTOR):
|
|
self.__debug_process_fsd_set_sector(data)
|
|
elif (id == self.__DEBUG_ID_DD_BLOCK):
|
|
self.__debug_process_dd_block(data)
|
|
else:
|
|
print(f"\033[35mGot unknown id: {id}, length: {length}\033[0m", file=sys.stderr)
|
|
|
|
self.__read_long(self.__align(length, 4) - length)
|
|
end_indicator = self.__read_long(4)
|
|
if (end_indicator != b"CMPH"):
|
|
print(f"\033[35mGot unknown end indicator: {end_indicator.decode(encoding='ascii', errors='backslashreplace')}\033[0m", file=sys.stderr)
|
|
|
|
|
|
|
|
class SC64ProgressBar:
|
|
__LABEL_LENGTH = 30
|
|
|
|
|
|
def __init__(self, sc64: SC64) -> None:
|
|
self.__sc64 = sc64
|
|
self.__widgets = [
|
|
"[ ",
|
|
progressbar.FormatLabel("{variables.label}", new_style=True),
|
|
" | ",
|
|
progressbar.Bar(left="", right=""),
|
|
" ",
|
|
progressbar.Percentage(),
|
|
" | ",
|
|
progressbar.DataSize(prefixes=(" ", "Ki", "Mi")),
|
|
" | ",
|
|
progressbar.AdaptiveTransferSpeed(),
|
|
" ]"
|
|
]
|
|
self.__variables = {"label": ""}
|
|
self.__bar = None
|
|
|
|
|
|
def __enter__(self) -> None:
|
|
if (self.__sc64):
|
|
self.__sc64._SC64__progress_init = self.__progress_init
|
|
self.__sc64._SC64__progress_value = self.__progress_value
|
|
self.__sc64._SC64__progress_finish = self.__progress_finish
|
|
|
|
|
|
def __exit__(self, exc_type, exc_val, exc_tb) -> None:
|
|
if (self.__sc64):
|
|
self.__sc64._SC64__progress_init = None
|
|
self.__sc64._SC64__progress_value = None
|
|
self.__sc64._SC64__progress_finish = None
|
|
|
|
|
|
def __progress_init(self, value: int, label: str) -> None:
|
|
if (self.__bar == None):
|
|
self.__bar = progressbar.ProgressBar(widgets=self.__widgets, variables=self.__variables)
|
|
justified_label = label.ljust(self.__LABEL_LENGTH)
|
|
if (len(justified_label) > self.__LABEL_LENGTH):
|
|
justified_label = f"{justified_label[:self.__LABEL_LENGTH - 3]}..."
|
|
self.__bar.variables.label = justified_label
|
|
self.__bar.start(max_value=value)
|
|
|
|
|
|
def __progress_value(self, value: int) -> None:
|
|
self.__bar.update(value)
|
|
|
|
|
|
def __progress_finish(self) -> None:
|
|
self.__bar.finish(end="")
|
|
print()
|
|
|
|
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(description="SummerCart64 one stop control center")
|
|
parser.add_argument("-b", metavar="boot_mode", default="1", required=False, help="set boot mode (0 - 3)")
|
|
parser.add_argument("-t", metavar="tv_type", default="3", required=False, help="set TV type (0 - 2)")
|
|
parser.add_argument("-c", metavar="cic_seed", default="0xFFFF", required=False, help="set CIC seed")
|
|
parser.add_argument("-s", metavar="save_type", default="0", required=False, help="set save type (0 - 6)")
|
|
parser.add_argument("-d", default=False, action="store_true", required=False, help="enable 64DD emulation")
|
|
parser.add_argument("-r", default=False, action="store_true", required=False, help="perform reading operation instead of writing")
|
|
parser.add_argument("-l", metavar="length", default="0x101000", required=False, help="specify ROM length to read")
|
|
parser.add_argument("-u", metavar="update_path", default=None, required=False, help="path to update file")
|
|
parser.add_argument("-e", metavar="save_path", default=None, required=False, help="path to save file")
|
|
parser.add_argument("-i", metavar="ddipl_path", default=None, required=False, help="path to DDIPL file")
|
|
parser.add_argument("-q", default=None, action="store_true", required=False, help="start debug server")
|
|
parser.add_argument("-f", metavar="sd_path", default=None, required=False, help="path to disk or file for fake SD card emulation")
|
|
parser.add_argument("-k", metavar="disk_path", default=None, required=False, help="path to 64DD disk file")
|
|
parser.add_argument("rom", metavar="rom_path", default=None, help="path to ROM file", nargs="?")
|
|
|
|
if (len(sys.argv) <= 1):
|
|
parser.print_help()
|
|
parser.exit()
|
|
|
|
args = parser.parse_args()
|
|
|
|
try:
|
|
sc64 = SC64()
|
|
|
|
boot_mode = int(args.b)
|
|
save_type = int(args.s)
|
|
tv_type = int(args.t)
|
|
cic_seed = int(args.c, 0)
|
|
dd_enable = args.d
|
|
is_read = args.r
|
|
rom_length = int(args.l, 0)
|
|
update_file = args.u
|
|
save_file = args.e
|
|
dd_ipl_file = args.i
|
|
rom_file = args.rom
|
|
debug_server = args.q
|
|
sd_file = args.f
|
|
disk_file = args.k
|
|
|
|
firmware_backup_file = "sc64firmware.bin.bak"
|
|
|
|
with SC64ProgressBar(sc64):
|
|
if (update_file):
|
|
if (is_read):
|
|
sc64.backup_firmware(update_file)
|
|
else:
|
|
sc64.backup_firmware(firmware_backup_file)
|
|
if (not filecmp.cmp(update_file, firmware_backup_file)):
|
|
print("Update file different than contents of flash - updating SummerCart64")
|
|
sc64.update_firmware(update_file)
|
|
else:
|
|
print("SummerCart64 is already updated to latest version")
|
|
os.remove(firmware_backup_file)
|
|
|
|
if (not is_read):
|
|
if (boot_mode != 1):
|
|
print(f"Setting boot mode to [{sc64.get_boot_mode_label(boot_mode)}]")
|
|
sc64.set_boot_mode(boot_mode)
|
|
|
|
if (save_type):
|
|
print(f"Setting save type to [{sc64.get_save_type_label(save_type)}]")
|
|
sc64.set_save_type(save_type)
|
|
|
|
if (tv_type != 3):
|
|
print(f"Setting TV type to [{sc64.get_tv_type_label(tv_type)}]")
|
|
sc64.set_tv_type(tv_type)
|
|
|
|
if (cic_seed != 0xFFFF):
|
|
print(f"Setting CIC seed to [{hex(cic_seed) if cic_seed != 0xFFFF else 'Unknown'}]")
|
|
sc64.set_cic_seed(cic_seed)
|
|
|
|
if (dd_enable):
|
|
print(f"Setting 64DD emulation to [{'Enabled' if dd_enable else 'Disabled'}]")
|
|
sc64.set_dd_enable(dd_enable)
|
|
|
|
if (rom_file):
|
|
if (is_read):
|
|
if (rom_length > 0):
|
|
sc64.download_rom(rom_file, rom_length)
|
|
else:
|
|
raise SC64Exception("ROM length should be larger than 0")
|
|
else:
|
|
sc64.upload_rom(rom_file)
|
|
|
|
if (dd_ipl_file):
|
|
if (is_read):
|
|
sc64.download_dd_ipl(dd_ipl_file)
|
|
else:
|
|
sc64.upload_dd_ipl(dd_ipl_file)
|
|
|
|
if (save_file):
|
|
if (is_read):
|
|
sc64.download_save(save_file)
|
|
else:
|
|
sc64.upload_save(save_file)
|
|
|
|
if (debug_server):
|
|
sc64.debug_loop(sd_file, disk_file)
|
|
|
|
except SC64Exception as e:
|
|
print(f"Error: {e}")
|
|
parser.exit(1)
|
|
except KeyboardInterrupt:
|
|
pass
|
|
finally:
|
|
sys.stdout.write("\033[0m")
|