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Copy pathserver.py
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executable file
·100 lines (81 loc) · 2.31 KB
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#!/usr/bin/env python3
import socket
HOST = '127.0.0.1' # Standard loopback interface address (localhost)
PORT = 9824 # Port to listen on (non-privileged ports are > 1023)
from enum import Enum
# B - Blink on
# b - Blink off
# R - Read request
# Q - Quit request
# 0 - Write 0 0 0
# 1 - Write 0 0 1
# 2 - Write 0 1 0
# 3 - Write 0 1 1
# 4 - Write 1 0 0
# 5 - Write 1 0 1
# 6 - Write 1 1 0
# 7 - Write 1 1 1
# r - Reset 0 0
# s - Reset 0 1
# t - Reset 1 0
# u - Reset 1 1
class OcdCommand(Enum):
SAMPLE = b'R'
QUIT = b'Q'
BLINK_ON = b"B"
BLINK_OFF = b"b"
RESET = b"r"
# RESET =
# @classmethod
def skip(self):
return self.value in [OcdCommand.BLINK_ON.value, OcdCommand.BLINK_OFF.value]
# TODO
# after https://www.python.org/dev/peps/pep-0622/
# unify JTAGInput and OcdCommand.
class JTAGInput():
def __init__(self, ocd_bitbang_val):
self.tck = int(ocd_bitbang_val & 0x4 != 0)
self.tms = int(ocd_bitbang_val & 0x2 != 0)
self.tdi = int(ocd_bitbang_val & 0x1 != 0)
def __repr__(self):
return f"TCK: {self.tck}, TMS: {self.tms}, TDI: {self.tdi}"
def tms():
return self.tms
def tdi():
return self.tdi
def tck():
return self.tck
# cursed
def skip(self):
return False
def decode_cmd(char):
# from openocd/.../remote_bitbang.c
# char c = '0' + ((tck ? 0x4 : 0x0) | (tms ? 0x2 : 0x0) | (tdi ? 0x1 : 0x0));
if ord(char) < ord('8') and ord(char) >= ord('0'):
return JTAGInput(ord(char) - ord('0'))
return OcdCommand(char)
def remote_jtag_get_instr():
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind((HOST, PORT))
s.listen()
conn, addr = s.accept()
with conn:
print('Connected by', addr)
while True:
data = conn.recv(1)
print(f"data: {data}")
if not data:
break
cmd = decode_cmd(data)
print(cmd)
if cmd.skip():
continue
conn.sendall(b"0")
# conn.sendall(b"\0")
# conn.sendall(b"\0")
print("koniec")
if __name__ == "__main__":
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind((HOST, PORT))
s.listen()
conn, addr = s.accept()