mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-11-27 23:10:22 +00:00
0d7395d05c
* FLPv0.1 on Python; File transfer is working. * FLPv0.1 on Python; .gitignore fixes. * Update protocol to latest version; change interface to OOP Co-authored-by: Daniel Solmann <DanGSun@yandex.ru> Co-authored-by: coreglitch <mail@s3f.ru>
122 lines
3 KiB
Python
122 lines
3 KiB
Python
from enum import Enum
|
|
|
|
import serial
|
|
|
|
|
|
class RemoteIOError(IOError):
|
|
pass
|
|
|
|
|
|
class UnsupportedOperation(RemoteIOError):
|
|
# TODO: Tell more on error
|
|
pass
|
|
|
|
|
|
class ReadWriteError(RemoteIOError):
|
|
pass
|
|
|
|
|
|
class FileMode(Enum):
|
|
READ = "r"
|
|
WRITE = "w"
|
|
# APPEND = "a" - Not Impl
|
|
# READ_WRITE = "w+"
|
|
# READ_APPEND = "a+"
|
|
|
|
|
|
class File:
|
|
opened: bool = False
|
|
filename: str
|
|
conn: serial.Serial
|
|
mode = FileMode.READ
|
|
|
|
def _open(self):
|
|
# Opening file on Flipper's end
|
|
self.conn.write(f"f_open {self.filename} {self.mode}\n".encode())
|
|
|
|
# Checking, if everything is OK.
|
|
self.conn.write(b"f_valid\n")
|
|
return bool(int(self.conn.read_until().decode()))
|
|
|
|
def __init__(self, conn: serial.Serial, filename: str, mode=FileMode.READ):
|
|
self.conn = conn
|
|
self.mode = mode
|
|
self.filename = filename
|
|
|
|
if not self._open():
|
|
raise RemoteIOError
|
|
self.opened = True
|
|
|
|
def lseek(self, size: int):
|
|
self.conn.write(f"f_lseek {size}\n".encode())
|
|
|
|
def tell(self):
|
|
self.conn.write(b"f_tell\n")
|
|
return int(self.conn.read_until().decode())
|
|
|
|
def size(self):
|
|
self.conn.write(b"f_size\n")
|
|
return int(self.conn.read_until().decode())
|
|
|
|
def write(self, data: bytes):
|
|
if self.mode != FileMode.WRITE:
|
|
raise UnsupportedOperation
|
|
self.conn.write(f"f_write {len(data)}\n".encode())
|
|
self.conn.write(data)
|
|
self.conn.write(b"\n")
|
|
|
|
if self.conn.read_until().decode().strip() != "OK":
|
|
raise ReadWriteError
|
|
|
|
def read(self, size: int) -> bytes:
|
|
self.conn.write(f"f_read {size}\n".encode())
|
|
return self.conn.read(size)
|
|
|
|
def _close(self):
|
|
self.conn.write(b"f_close\n")
|
|
|
|
def close(self):
|
|
self._close()
|
|
# TODO: Add termination of remote file process.
|
|
del self
|
|
|
|
def read_all(self, block_size=128) -> bytes:
|
|
"""
|
|
Function to simplify reading of file over serial.
|
|
|
|
:return: content of file represented in `bytes`
|
|
"""
|
|
size = self.size()
|
|
a = bytearray()
|
|
seek = 0
|
|
# Reading in blocks of block_size
|
|
while seek < block_size * (size // block_size - 1):
|
|
seek += block_size
|
|
self.lseek(seek)
|
|
a.extend(self.read(block_size))
|
|
|
|
seek += block_size
|
|
self.lseek(seek)
|
|
a.extend(self.read(size - seek)) # Appending mod
|
|
|
|
self.lseek(0) # Resetting seek to default-position
|
|
|
|
return bytes(a)
|
|
|
|
|
|
def push(ser: serial.Serial, local_path, remote_path):
|
|
with open(local_path, "rb") as local_f: # Reading local file
|
|
a = local_f.read()
|
|
|
|
remote_f = File(ser, remote_path, FileMode.WRITE)
|
|
remote_f.write(a)
|
|
remote_f.close()
|
|
|
|
|
|
def pull(ser: serial.Serial, remote_path, local_path):
|
|
remote_f = File(ser, remote_path, FileMode.READ)
|
|
|
|
with open(local_path, "wb") as f:
|
|
f.write(remote_f.read_all())
|
|
|
|
remote_f.close()
|