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.
13
Firmware Upgrade
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 "flash" as parameter
s.
4.
Power recycle after finish the step 3.
Here is the output of browan_esptool.sh:
$
./browan_esptool.sh /dev/ttyUSB0 flash
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.
Configuring flash size...
Compressed 28224 bytes to 16081...
Wrote 28224 bytes (16081 compressed) at 0x00001000 in 0.4 seconds (effective 618.0 kbit/s)...
Hash of data verified.
Compressed 3072 bytes to 132...
Wrote 3072 bytes (132 compressed) at 0x00008000 in 0.0 seconds (effective 2176.0 kbit/s)...
Hash of data verified.
Compressed 8192 bytes to 31...
Wrote 8192 bytes (31 compressed) at 0x00016000 in 0.0 seconds (effective 14256.4 kbit/s)...
Hash of data verified.
Compressed 1336640 bytes to 807124...
Wrote 1336640 bytes (807124 compressed) at 0x00020000 in 19.0 seconds (effective 563.3 kbit/s)...
Hash of data verified.
