The-Homebrew-Cloud/SummerCart64
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This commit is contained in:
Mateusz Faderewski 2021-11-19 00:59:05 +01:00
parent da9c3f6aed
commit bad51d71c6
1 changed files with 13 additions and 3 deletions
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16
sw/pc/dum.py
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@ -30,6 +30,8 @@ class SC64:
__UPDATE_OFFSET = 0x03B60000
__CHUNK_SIZE = 1024 * 1024
__MIN_ROM_LENGTH = 0x101000
__DDIPL_ROM_LENGTH = 0x400000
@ -87,7 +89,7 @@ class SC64:
for p in ports:
if (p.vid == 0x0403 and p.pid == 0x6014 and p.serial_number.startswith("SC64")):
try:
self.__serial = Serial(p.device, timeout=10.0, write_timeout=10.0)
self.__serial = Serial(p.device, timeout=5.0, write_timeout=5.0)
self.__probe_device()
except SerialException or SC64Exception:
if (self.__serial):
@ -125,7 +127,11 @@ class SC64:
with open(file, "wb") as f:
transfer_size = self.__align(length, align)
self.__write_cmd("R", offset, transfer_size)
f.write(self.__read(length))
current_position = 0
while (current_position < length):
chunk_size = min(self.__CHUNK_SIZE, length - current_position)
f.write(self.__read(chunk_size))
current_position += chunk_size
if (transfer_size != length):
self.__read(transfer_size - length)
self.__read_cmd_status("R")
@ -136,7 +142,8 @@ class SC64:
length = os.fstat(f.fileno()).st_size
transfer_size = self.__align(max(length, min_length), align)
self.__write_cmd("W", offset, transfer_size)
self.__write(f.read())
while (f.tell() < length):
self.__write(f.read(min(self.__CHUNK_SIZE, length - f.tell())))
if (transfer_size != length):
self.__write_dummy(transfer_size - length)
self.__read_cmd_status("W")
@ -167,7 +174,10 @@ class SC64:
backup_length = self.__query_config(self.__CFG_ID_FLASH_OPERATION, self.__UPDATE_OFFSET)
self.__read_file_from_sdram(backup_file, self.__UPDATE_OFFSET, backup_length)
self.__write_file_to_sdram(file, self.__UPDATE_OFFSET)
saved_timeout = self.__serial.timeout
self.__serial.timeout = 20.0
self.__change_config(self.__CFG_ID_FLASH_OPERATION, self.__UPDATE_OFFSET)
self.__serial.timeout = saved_timeout
self.__reconfigure()
self.__probe_device()