After updating the firmware, it does not boot.
Is there something wrong with it?
I downloaded the firmware
https://github.com/sparkfun/SparkFun_RTK_Firmware
RTK_Surveyor_Firmware_v1_11.bin
CLI Update Log
C:\work\RTK>esptool.exe --chip esp32 --port COM9 --baud 921600 --before default_
reset --after hard_reset write_flash -z --flash_mode dio --flash_freq 80m --flas
h_size detect 0 RTK_Surveyor_Firmware_v1_11.bin
esptool.py v3.1
Serial port COM9
Connecting…_
Chip is ESP32-D0WD-V3 (revision 3)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme
None
Crystal is 40MHz
MAC: a8:03:2a:f4:2a:d4
Uploading stub…
Running stub…
Stub running…
Changing baud rate to 921600
Changed.
Configuring flash size…
Auto-detected Flash size: 16MB
Flash will be erased from 0x00000000 to 0x001b3fff…
Compressed 1784960 bytes to 1132561…
Wrote 1784960 bytes (1132561 compressed) at 0x00000000 in 17.8 seconds (effectiv
e 801.5 kbit/s)…
Hash of data verified.
Leaving…
Hard resetting via RTS pin…
C:\work\RTK>pause
After restarting, if you connect to the COM port, the following message will be output continuously.
rst:0x10 (RTCWDT_RTC_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)
invalid header: 0x20202020
invalid header: 0x20202020
invalid header: 0x20202020
invalid header: 0x20202020
invalid header: 0x20202020
invalid header: 0x20202020
invalid header: 0x20202020
invalid header: 0x20202020
ets Jul 29 2019 12:21:46
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