Files
Momentum-Firmware/scripts/serial_cli_perf.py
Anna Antonenko 096c088bf1 vcp, cli: Handle Tx/Rx events before Connect/Disconnect + extra fixes (#4181)
* cli_vcp: handle tx/rx before connext/disconnect

* cli_vcp: disable trace

* cli_perf: advanced error reporting

* cli_vcp: reset tx flag directly in event handler

* fix formatting

* cli_vcp: make tx flag volatile

* storage_settings: fix scene ids

* cli_shell: add safety check to set_prompt

* cli_registry: move from bptree to dict, fix memory leak

* cli_vcp: go back to message queue for event signaling

* loader: move BeforeLoad event even earlier

* fix formatting
2025-04-11 14:53:10 +04:00

72 lines
1.9 KiB
Python

import argparse
import logging
from serial import Serial
from random import randint
from time import time
from flipper.utils.cdc import resolve_port
def main():
logger = logging.getLogger()
parser = argparse.ArgumentParser()
parser.add_argument("-p", "--port", help="CDC Port", default="auto")
parser.add_argument(
"-l", "--length", type=int, help="Number of bytes to send", default=1024**2
)
args = parser.parse_args()
if not (port := resolve_port(logger, args.port)):
logger.error("Is Flipper connected via USB and not in DFU mode?")
return 1
port = Serial(port, 230400)
port.timeout = 2
port.read_until(b">: ")
port.write(b"echo\r")
port.read_until(b">: ")
print(f"Transferring {args.length} bytes. Hang tight...")
start_time = time()
bytes_to_send = args.length
block_size = 1024
success = True
while bytes_to_send:
actual_size = min(block_size, bytes_to_send)
# can't use 0x03 because that's ASCII ETX, or Ctrl+C
# block = bytes([randint(4, 255) for _ in range(actual_size)])
block = bytes([4 + (i // 64) for i in range(actual_size)])
port.write(block)
return_block = port.read(actual_size)
if return_block != block:
with open("block.bin", "wb") as f:
f.write(block)
with open("return_block.bin", "wb") as f:
f.write(return_block)
logger.error(
"Incorrect block received. Saved to `block.bin' and `return_block.bin'."
)
logger.error(f"{bytes_to_send} bytes left. Aborting.")
success = False
break
bytes_to_send -= actual_size
end_time = time()
delta = end_time - start_time
speed = args.length / delta
if success:
print(f"Speed: {speed/1024:.2f} KiB/s")
port.write(b"\x03") # Ctrl+C
port.close()
if __name__ == "__main__":
main()