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Merge branch 'bugfix/monitor_reset_start' into 'master'

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Tools: Fix chip reset on IDF Monitor connection

Closes IDFGH-5451, IDFCI-690, IDF-3455, and IDF-287

See merge request espressif/esp-idf!14349
This commit is contained in:
Roland Dobai 2021-07-22 12:19:25 +00:00
commit 0ac685d094
1 changed files with 9 additions and 12 deletions
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21
tools/idf_monitor_base/serial_reader.py
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@ -50,21 +50,18 @@ class SerialReader(StoppableThread):
self.serial.baudrate = self.baud
# We can come to this thread at startup or from external application line GDB.
# If we come from GDB we would like to continue to run without reset.
if self.gdb_exit:
self.serial.rts = False
self.serial.dtr = True
else: # if we exit from GDB, we don't need to reset the target
# This sequence of DTR/RTS and open/close set the serial port to
# condition when GDB not make reset of the target by switching DTR/RTS.
self.serial.rts = True # IO0=LOW
self.serial.dtr = self.serial.dtr # usbser.sys workaround
self.serial.rts = False # IO0=HIGH
self.serial.dtr = False
self.serial.dtr = True # Non reset state
self.serial.rts = False # IO0=HIGH
self.serial.dtr = self.serial.dtr # usbser.sys workaround
# Current state not reset the target!
self.gdb_exit = False
self.serial.open()
time.sleep(0.005) # Add a delay to meet the requirements of minimal EN low time (2ms for ESP32-C3)
if not self.gdb_exit:
self.serial.dtr = False # Set dtr to reset state (affected by rts)
self.serial.rts = True # Set rts/dtr to the reset state
self.serial.dtr = self.serial.dtr # usbser.sys workaround
time.sleep(0.005) # Add a delay to meet the requirements of minimal EN low time (2ms for ESP32-C3)
self.gdb_exit = False
self.serial.rts = False # Set rts/dtr to the working state
self.serial.dtr = self.serial.dtr # usbser.sys workaround
try: