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fix(rfc2217_server): Use new reset sequences

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This commit is contained in:
radim.karnis
2023-02-15 14:55:45 +01:00
parent 0095a26b79
commit 4f13cf66e6
1 changed files with 18 additions and 20 deletions
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38
esp_rfc2217_server.py
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@@ -30,11 +30,15 @@
# SPDX-License-Identifier: BSD-3-Clause
import logging
import os
import socket
import sys
import threading
import time
from esptool.config import load_config_file
from esptool.reset import ClassicReset, CustomReset, DEFAULT_RESET_DELAY, UnixTightReset
import serial
import serial.rfc2217
from serial.rfc2217 import (
@@ -46,6 +50,9 @@ from serial.rfc2217 import (
SET_CONTROL_RTS_ON,
)
cfg, _ = load_config_file(verbose=True)
cfg = cfg["esptool"]
class EspPortManager(serial.rfc2217.PortManager):
"""
@@ -78,16 +85,6 @@ class EspPortManager(serial.rfc2217.PortManager):
# only in cases not handled above do the original implementation in PortManager
super(EspPortManager, self)._telnet_process_subnegotiation(suboption)
def _setDTR(self, state):
self.serial.setDTR(state)
def _setRTS(self, state):
self.serial.setRTS(state)
# Work-around for adapters on Windows using the usbser.sys driver:
# generate a dummy change to DTR so that the set-control-line-state
# request is sent with the updated RTS state and the same DTR state
self.serial.setDTR(self.serial.dtr)
def _reset_thread(self):
"""
The reset logic is used from esptool.py because the RTS and DTR signals
@@ -95,17 +92,18 @@ class EspPortManager(serial.rfc2217.PortManager):
"""
if self.logger:
self.logger.info("Activating reset in thread")
self._setDTR(False) # IO0=HIGH
self._setRTS(True) # EN=LOW, chip in reset
time.sleep(0.1)
delay = DEFAULT_RESET_DELAY
if self.esp32r0_delay:
time.sleep(1.2)
self._setDTR(True) # IO0=LOW
self._setRTS(False) # EN=HIGH, chip out of reset
if self.esp32r0_delay:
time.sleep(0.4)
time.sleep(0.05)
self._setDTR(False) # IO0=HIGH, done
delay += 0.5
cfg_custom_reset_sequence = cfg.get("custom_reset_sequence")
if cfg_custom_reset_sequence is not None:
CustomReset(self.serial, cfg_custom_reset_sequence)()
elif os.name != "nt":
UnixTightReset(self.serial, delay)()
else:
ClassicReset(self.serial, delay)()
class Redirector(object):