From f6e414017122f4de1c227d36769ed6233661da57 Mon Sep 17 00:00:00 2001
From: Nonoo <nonoo@nonoo.hu>
Date: Thu, 19 May 2022 08:18:11 +0200
Subject: [PATCH] Tools: Add missing DTR/RTS set before serial port open on
 reconnect when --no-reset is used

This makes sure --no-reset works correctly when the monitor reconnects the serial port.
---
 tools/idf_monitor_base/serial_reader.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/idf_monitor_base/serial_reader.py b/tools/idf_monitor_base/serial_reader.py
index 4157ca3a4f..eca3c22d02 100644
--- a/tools/idf_monitor_base/serial_reader.py
+++ b/tools/idf_monitor_base/serial_reader.py
@@ -76,6 +76,10 @@ class SerialReader(Reader):
                     while self.alive:  # so that exiting monitor works while waiting
                         try:
                             time.sleep(RECONNECT_DELAY)
+                            if not self.reset:
+                                self.serial.dtr = low      # Non reset state
+                                self.serial.rts = high     # IO0=HIGH
+                                self.serial.dtr = self.serial.dtr   # usbser.sys workaround
                             self.serial.open()
                             break  # device connected
                         except serial.serialutil.SerialException: