Browan Communications Inc.
No.15-1, Zhonghua Rd., Hsinchu Industrial Park,
Hukou, Hsinchu, Taiwan, R.O.C. 30352
Tel: +886-3-6006899
Fax: +886-3-5972970
Copyright 2020 Browan Co., Ltd.
12
Erase flash
1.
Remove the USB power cable.
2.
Press and hold the SETUP button and then reconnect the USB power cable.
3.
Execute
./browan_esptool.sh
and pass in the ttyUSB path and operation command "erase" as parameter
s.
4.
Power recycle after finish step 3.
Here is the output of browan_esptool.sh:
$
./browan_esptool.sh /dev/ttyUSB0 erase
esptool.py v2.8-dev
Serial port /dev/ttyUSB0
Connecting........
Detecting chip type... ESP32
Chip is ESP32D0WDQ5 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
Crystal is 40MHz
MAC: 24:6f:28:3f:2e:18
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 460800
Changed.
Erasing flash (this may take a while)...
Chip erase completed successfully in 8.2s
Hard resetting via RTS pin...
$