mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-11-22 14:09:16 +01:00
521 lines
19 KiB
Python
521 lines
19 KiB
Python
#!/usr/bin/env python3
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import io
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import os
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import serial
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import signal
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import sys
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import time
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from binascii import crc32
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from sc64 import SC64
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from typing import Callable, Optional
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class Utils:
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__progress_active = False
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@staticmethod
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def log(message: str='') -> None:
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print(message)
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@staticmethod
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def log_no_end(message: str='') -> None:
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print(message, end='', flush=True)
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@staticmethod
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def info(message: str='') -> None:
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print(f'\033[92m{message}\033[0m')
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@staticmethod
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def warning(message: str='') -> None:
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print(f'\033[93m{message}\033[0m')
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@staticmethod
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def die(reason: str) -> None:
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print(f'\033[91m{reason}\033[0m')
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exit(-1)
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@property
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def get_progress_active(self):
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return self.__progress_active
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def progress(self, length: int, position: int, description: str) -> None:
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value = ((position / length) * 100.0)
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if (position == 0):
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self.__progress_active = True
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Utils.log_no_end(f'\r{value:5.1f}%: [{description}]')
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if (position == length):
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Utils.log()
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self.__progress_active = False
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def exit_warning(self):
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if (self.__progress_active):
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Utils.log()
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Utils.warning('Ctrl-C is prohibited during bring-up procedure')
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class SC64UpdateDataException(Exception):
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pass
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class SC64UpdateData:
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__UPDATE_TOKEN = b'SC64 Update v2.0'
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__CHUNK_ID_UPDATE_INFO = 1
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__CHUNK_ID_MCU_DATA = 2
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__CHUNK_ID_FPGA_DATA = 3
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__CHUNK_ID_BOOTLOADER_DATA = 4
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__CHUNK_ID_PRIMER_DATA = 5
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__update_info: Optional[str]
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__mcu_data: Optional[bytes]
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__fpga_data: Optional[bytes]
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__bootloader_data: Optional[bytes]
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__primer_data: Optional[bytes]
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def __load_int(self, f: io.BufferedReader) -> int:
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try:
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data = f.read(4)
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if (len(data) != 4):
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raise ValueError('Read size did not match requested amount')
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value = int.from_bytes(data, byteorder='little')
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except ValueError as e:
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raise SC64UpdateDataException(f'Error while reading chunk header: {e}')
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return value
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def __load_chunk(self, f: io.BufferedReader) -> tuple[int, bytes]:
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id = self.__load_int(f)
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aligned_length = self.__load_int(f)
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checksum = self.__load_int(f)
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data_length = self.__load_int(f)
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data = f.read(data_length)
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align = (aligned_length - 4 - 4 - data_length)
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f.seek(align, io.SEEK_CUR)
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if (crc32(data) != checksum):
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raise SC64UpdateDataException(f'Invalid checksum for chunk id [{id}] inside update file')
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return (id, data)
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def load(self, path: str, require_all: bool=False) -> None:
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self.__update_info = None
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self.__mcu_data = None
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self.__fpga_data = None
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self.__bootloader_data = None
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self.__primer_data = None
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try:
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with open(path, 'rb') as f:
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if (f.read(len(self.__UPDATE_TOKEN)) != self.__UPDATE_TOKEN):
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raise SC64UpdateDataException('Invalid update file header')
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while (f.peek(1) != b''):
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(id, data) = self.__load_chunk(f)
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if (id == self.__CHUNK_ID_UPDATE_INFO):
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self.__update_info = data.decode('ascii')
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elif (id == self.__CHUNK_ID_MCU_DATA):
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self.__mcu_data = data
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elif (id == self.__CHUNK_ID_FPGA_DATA):
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self.__fpga_data = data
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elif (id == self.__CHUNK_ID_BOOTLOADER_DATA):
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self.__bootloader_data = data
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elif (id == self.__CHUNK_ID_PRIMER_DATA):
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self.__primer_data = data
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else:
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raise SC64UpdateDataException('Unknown chunk inside update file')
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if (require_all):
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if (not self.__update_info):
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raise SC64UpdateDataException('No update info inside update file')
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if (not self.__mcu_data):
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raise SC64UpdateDataException('No MCU data inside update file')
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if (not self.__fpga_data):
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raise SC64UpdateDataException('No FPGA data inside update file')
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if (not self.__bootloader_data):
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raise SC64UpdateDataException('No bootloader data inside update file')
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if (not self.__primer_data):
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raise SC64UpdateDataException('No primer data inside update file')
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except IOError as e:
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raise SC64UpdateDataException(f'IO error while loading update data: {e}')
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def get_update_info(self) -> Optional[str]:
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return self.__update_info
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def get_mcu_data(self) -> Optional[bytes]:
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return self.__mcu_data
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def get_fpga_data(self) -> Optional[bytes]:
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return self.__fpga_data
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def get_bootloader_data(self) -> Optional[bytes]:
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return self.__bootloader_data
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def get_primer_data(self) -> Optional[bytes]:
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return self.__primer_data
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class STM32BootloaderException(Exception):
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pass
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class STM32Bootloader:
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__INIT = b'\x7F'
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__ACK = b'\x79'
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__NACK = b'\x1F'
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__MEMORY_RW_MAX_SIZE = 256
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__FLASH_LOAD_ADDRESS = 0x08000000
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__FLASH_MAX_LOAD_SIZE = 0x8000
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__RAM_LOAD_ADDRESS = 0x20001000
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__RAM_MAX_LOAD_SIZE = 0x1000
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DEV_ID_STM32G030XX = b'\x04\x66'
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__connected = False
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def __init__(self, write: Callable[[bytes], None], read: Callable[[int], bytes], progress: Callable[[int, int, str], None]):
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self.__write = write
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self.__read = read
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self.__progress = progress
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def __append_xor(self, data: bytes) -> bytes:
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xor = (0xFF if (len(data) == 1) else 0x00)
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for b in data:
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xor ^= b
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return bytes([*data, xor])
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def __check_ack(self) -> None:
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response = self.__read(1)
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if (response == None):
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raise STM32BootloaderException('No ACK/NACK byte received')
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if (response == self.__NACK):
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raise STM32BootloaderException('NACK byte received')
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if (response != self.__ACK):
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raise STM32BootloaderException('Unknown ACK/NACK byte received')
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def __cmd_send(self, cmd: bytes) -> None:
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if (len(cmd) != 1):
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raise ValueError('Command must contain only one byte')
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self.__write(self.__append_xor(cmd))
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self.__check_ack()
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def __data_write(self, data: bytes) -> None:
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self.__write(self.__append_xor(data))
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self.__check_ack()
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def __data_read(self) -> bytes:
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length = self.__read(1)
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if (len(length) != 1):
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raise STM32BootloaderException('Did not receive length byte')
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length = length[0]
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data = self.__read(length + 1)
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self.__check_ack()
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return data
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def __get_id(self) -> bytes:
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self.__cmd_send(b'\x02')
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return self.__data_read()
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def __read_memory(self, address: int, length: int) -> bytes:
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if (length == 0 or length > self.__MEMORY_RW_MAX_SIZE):
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raise ValueError('Wrong data size for read memory command')
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self.__cmd_send(b'\x11')
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self.__data_write(address.to_bytes(4, byteorder='big'))
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self.__data_write(bytes([length - 1]))
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return self.__read(length)
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def __go(self, address: int) -> None:
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self.__cmd_send(b'\x21')
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self.__data_write(address.to_bytes(4, byteorder='big'))
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self.__connected = False
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def __write_memory(self, address: int, data: bytes) -> None:
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length = len(data)
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if (length == 0 or length > self.__MEMORY_RW_MAX_SIZE):
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raise ValueError('Wrong data size for write memory command')
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if (((address % 4) != 0) or ((length % 4) != 0)):
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raise ValueError('Write memory command requires 4 byte alignment')
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self.__cmd_send(b'\x31')
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self.__data_write(address.to_bytes(4, byteorder='big'))
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self.__data_write(bytes([length - 1, *data]))
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def __mass_erase(self) -> None:
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self.__cmd_send(b'\x44')
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self.__data_write(b'\xFF\xFF')
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def __load_memory(self, address: int, data: bytes, description: str='') -> None:
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length = len(data)
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self.__progress(length, 0, description)
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for offset in range(0, length, self.__MEMORY_RW_MAX_SIZE):
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chunk = data[offset:offset + self.__MEMORY_RW_MAX_SIZE]
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self.__write_memory(address + offset, chunk)
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verify = self.__read_memory(address + offset, len(chunk))
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if (chunk != verify):
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raise STM32BootloaderException('Memory verify failed')
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self.__progress(length, offset, description)
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self.__progress(length, length, description)
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def connect(self, id: int) -> None:
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if (not self.__connected):
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self.__write(self.__INIT)
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self.__check_ack()
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self.__connected = True
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dev_id = self.__get_id()
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if (dev_id != id):
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raise STM32BootloaderException('Unknown chip detected')
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def load_ram_and_run(self, data: bytes, description: str='') -> None:
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if (len(data) > self.__RAM_MAX_LOAD_SIZE):
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raise STM32BootloaderException('RAM image too big')
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self.__load_memory(self.__RAM_LOAD_ADDRESS, data, description)
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self.__go(self.__RAM_LOAD_ADDRESS)
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def load_flash_and_run(self, data: bytes, description: str='') -> None:
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if (len(data) > self.__FLASH_MAX_LOAD_SIZE):
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raise STM32BootloaderException('Flash image too big')
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self.__mass_erase()
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try:
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self.__load_memory(self.__FLASH_LOAD_ADDRESS, data, description)
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self.__go(self.__FLASH_LOAD_ADDRESS)
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except STM32BootloaderException as e:
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self.__mass_erase()
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raise STM32BootloaderException(e)
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class LCMXO2PrimerException(Exception):
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pass
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class LCMXO2Primer:
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__PRIMER_ID_LCMXO2 = b'MXO2'
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__CMD_GET_PRIMER_ID = b'?'
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__CMD_PROBE_FPGA = b'#'
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__CMD_RESTART = b'$'
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__CMD_GET_DEVICE_ID = b'I'
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__CMD_ENABLE_FLASH = b'E'
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__CMD_ERASE_FLASH = b'X'
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__CMD_RESET_ADDRESS = b'A'
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__CMD_WRITE_PAGE = b'W'
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__CMD_READ_PAGE = b'R'
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__CMD_PROGRAM_DONE = b'F'
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__CMD_INIT_FEATBITS = b'Q'
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__CMD_REFRESH = b'B'
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__FLASH_PAGE_SIZE = 16
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__FLASH_NUM_PAGES = 11260
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__FPGA_PROBE_VALUE = b'\x64'
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DEV_ID_LCMXO2_7000HC = b'\x01\x2B\xD0\x43'
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def __init__(self, write: Callable[[bytes], None], read: Callable[[int], bytes], progress: Callable[[int, int, str], None]):
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self.__write = write
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self.__read = read
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self.__progress = progress
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def __cmd_execute(self, cmd: bytes, data: bytes=b'') -> bytes:
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if (len(cmd) != 1):
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raise ValueError('Command must contain only one byte')
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if (len(data) >= 256):
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raise ValueError('Data size too big')
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packet = b'CMD' + cmd
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packet += len(data).to_bytes(1, byteorder='little')
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packet += data
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packet += crc32(packet).to_bytes(4, byteorder='little')
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self.__write(packet)
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response = self.__read(5)
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if (len(response) != 5):
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raise LCMXO2PrimerException(f'No response received [{cmd}]')
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length = int.from_bytes(response[4:5], byteorder='little')
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response += self.__read(length)
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calculated_checksum = crc32(response)
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received_checksum = int.from_bytes(self.__read(4), byteorder='little')
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if (response[0:3] != b'RSP'):
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raise LCMXO2PrimerException(f'Invalid response token [{response[0:3]} / {cmd}]')
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if (response[3:4] != cmd):
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raise LCMXO2PrimerException(f'Invalid response command [{cmd} / {response[3]}]')
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if (calculated_checksum != received_checksum):
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raise LCMXO2PrimerException(f'Invalid response checksum [{cmd}]')
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return response[5:]
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def connect(self, id: bytes) -> None:
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primer_id = self.__cmd_execute(self.__CMD_GET_PRIMER_ID)
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if (primer_id != self.__PRIMER_ID_LCMXO2):
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raise LCMXO2PrimerException('Invalid primer ID received')
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dev_id = self.__cmd_execute(self.__CMD_GET_DEVICE_ID)
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if (dev_id != id):
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raise LCMXO2PrimerException('Invalid FPGA device id received')
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def load_flash_and_run(self, data: bytes, description: str) -> None:
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erase_description = f'{description} / Erase'
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program_description = f'{description} / Program'
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verify_description = f'{description} / Verify'
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length = len(data)
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if (length > (self.__FLASH_PAGE_SIZE * self.__FLASH_NUM_PAGES)):
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raise LCMXO2PrimerException('FPGA data size too big')
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if ((length % self.__FLASH_PAGE_SIZE) != 0):
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raise LCMXO2PrimerException('FPGA data size not aligned to page size')
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self.__cmd_execute(self.__CMD_ENABLE_FLASH)
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self.__progress(length, 0, erase_description)
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self.__cmd_execute(self.__CMD_ERASE_FLASH)
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self.__progress(length, length, erase_description)
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try:
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self.__cmd_execute(self.__CMD_RESET_ADDRESS)
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self.__progress(length, 0, program_description)
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for offset in range(0, length, self.__FLASH_PAGE_SIZE):
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page_data = data[offset:(offset + self.__FLASH_PAGE_SIZE)]
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self.__cmd_execute(self.__CMD_WRITE_PAGE, page_data)
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self.__progress(length, offset, program_description)
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self.__progress(length, length, program_description)
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self.__cmd_execute(self.__CMD_RESET_ADDRESS)
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self.__progress(length, 0, verify_description)
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for offset in range(0, length, self.__FLASH_PAGE_SIZE):
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page_data = data[offset:(offset + self.__FLASH_PAGE_SIZE)]
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verify_data = self.__cmd_execute(self.__CMD_READ_PAGE)
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self.__progress(length, offset, verify_description)
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if (page_data != verify_data):
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raise LCMXO2PrimerException('FPGA verification error')
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self.__progress(length, length, verify_description)
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self.__cmd_execute(self.__CMD_INIT_FEATBITS)
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self.__cmd_execute(self.__CMD_PROGRAM_DONE)
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self.__cmd_execute(self.__CMD_REFRESH)
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if (self.__cmd_execute(self.__CMD_PROBE_FPGA) != self.__FPGA_PROBE_VALUE):
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raise LCMXO2PrimerException('Invalid FPGA ID value received')
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except LCMXO2PrimerException as e:
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self.__cmd_execute(self.__CMD_ENABLE_FLASH)
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self.__cmd_execute(self.__CMD_ERASE_FLASH)
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self.__cmd_execute(self.__CMD_REFRESH)
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self.__cmd_execute(self.__CMD_RESTART)
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raise LCMXO2PrimerException(e)
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self.__cmd_execute(self.__CMD_RESTART)
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class SC64BringUp:
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__SERIAL_BAUD: int = 115200
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__SERIAL_TIMEOUT: float = 6.0
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__INTERVAL_TIME: float = 0.5
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def __init__(self, progress: Callable[[int, int, str], None]) -> None:
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self.__progress = progress
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def load_update_data(self, path: str) -> None:
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self.__sc64_update_data = SC64UpdateData()
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self.__sc64_update_data.load(path, require_all=True)
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def get_update_info(self) -> str:
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return self.__sc64_update_data.get_update_info()
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def start_bring_up(self, port: str) -> None:
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link = None
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try:
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link = serial.Serial(
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port,
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baudrate=self.__SERIAL_BAUD,
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parity=serial.PARITY_EVEN,
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timeout=self.__SERIAL_TIMEOUT,
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write_timeout=self.__SERIAL_TIMEOUT
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)
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stm32_bootloader = STM32Bootloader(link.write, link.read, self.__progress)
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lcmxo2_primer = LCMXO2Primer(link.write, link.read, self.__progress)
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stm32_bootloader.connect(stm32_bootloader.DEV_ID_STM32G030XX)
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stm32_bootloader.load_ram_and_run(self.__sc64_update_data.get_primer_data(), 'FPGA primer -> STM32 RAM')
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time.sleep(self.__INTERVAL_TIME)
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link.read_all()
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lcmxo2_primer.connect(lcmxo2_primer.DEV_ID_LCMXO2_7000HC)
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lcmxo2_primer.load_flash_and_run(self.__sc64_update_data.get_fpga_data(), 'FPGA configuration -> LCMXO2 FLASH')
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time.sleep(self.__INTERVAL_TIME)
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link.read_all()
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stm32_bootloader.connect(stm32_bootloader.DEV_ID_STM32G030XX)
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stm32_bootloader.load_flash_and_run(self.__sc64_update_data.get_mcu_data(), 'MCU software -> STM32 FLASH')
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time.sleep(self.__INTERVAL_TIME)
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link.read_all()
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sc64 = SC64()
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bootloader_description = 'Bootloader -> SC64 FLASH'
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bootloader_data = self.__sc64_update_data.get_bootloader_data()
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bootloader_length = len(bootloader_data)
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self.__progress(bootloader_length, 0, bootloader_description)
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sc64.upload_bootloader(bootloader_data)
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self.__progress(bootloader_length, bootloader_length, bootloader_description)
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finally:
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if (link and link.is_open):
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link.close()
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if __name__ == '__main__':
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if (len(sys.argv) != 3):
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Utils.die(f'Usage: {sys.argv[0]} serial_port update_file')
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port = sys.argv[1]
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update_data_path = sys.argv[2]
|
|
utils = Utils()
|
|
sc64_bring_up = SC64BringUp(progress=utils.progress)
|
|
|
|
Utils.log()
|
|
Utils.info('[ Welcome to SC64 flashcart board bring-up! ]')
|
|
Utils.log()
|
|
|
|
Utils.log(f'Serial port: {port}')
|
|
Utils.log(f'Update data path: {os.path.abspath(update_data_path)}')
|
|
try:
|
|
sc64_bring_up.load_update_data(update_data_path)
|
|
except SC64UpdateDataException as e:
|
|
Utils.die(f'Provided \'{update_data_path}\' file is invalid: {e}')
|
|
Utils.log_no_end('Update info: ')
|
|
Utils.log(sc64_bring_up.get_update_info())
|
|
Utils.log()
|
|
|
|
Utils.warning('[ CAUTION ]')
|
|
Utils.warning('Configure FTDI chip with provided ft232h_config.xml before continuing')
|
|
Utils.warning('Connect SC64 USB port to the same computer you\'re running this script')
|
|
Utils.warning('Make sure SC64 USB port is recognized in system before continuing')
|
|
Utils.log()
|
|
|
|
Utils.warning('[ IMPORTANT ]')
|
|
Utils.warning('Unplug SC64 board from power and reconnect it before proceeding')
|
|
Utils.log()
|
|
|
|
try:
|
|
if (input('Type YES to continue: ') != 'YES'):
|
|
Utils.die('No confirmation received. Exiting')
|
|
Utils.log()
|
|
except KeyboardInterrupt:
|
|
Utils.log()
|
|
Utils.die('Aborted')
|
|
|
|
original_sigint_handler = signal.getsignal(signal.SIGINT)
|
|
try:
|
|
signal.signal(signal.SIGINT, lambda *kwargs: utils.exit_warning())
|
|
sc64_bring_up.start_bring_up(port)
|
|
except (serial.SerialException, STM32BootloaderException, LCMXO2PrimerException) as e:
|
|
if (utils.get_progress_active):
|
|
Utils.log()
|
|
Utils.die(f'Error while running bring-up: {e}')
|
|
finally:
|
|
signal.signal(signal.SIGINT, original_sigint_handler)
|
|
|
|
Utils.log()
|
|
Utils.info('[ SC64 flashcart board bring-up finished successfully! ]')
|
|
Utils.log()
|