esp-wroom-32上电串口显示invalid header: 0x00000000

[Asanatsa]

之前有一次传程序的时候不小心选错了端口，选成了esp（本来是给Arduino nano传的），之后上电一直报invalid header: 0x00000000，也没法上传程序
上传报错内容：

Code: Select all

sptool.py v3.0-dev
Serial port COM8
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: 78:21:84:bb:5b:c0
Uploading stub...
Running stub...
Stub running...
Configuring flash size...
Warning: Could not auto-detect Flash size (FlashID=0x0, SizeID=0x0), defaulting to 4MB
Compressed 8192 bytes to 47...
Writing at 0x0000e000... (100 %)
Wrote 8192 bytes (47 compressed) at 0x0000e000 in 0.1 seconds (effective 689.9 kbit/s)...
（空行）
A fatal error occurred: Timed out waiting for packet header
上传失败: 上传错误：exit status 2

[ESP_LJH]

当前使用 flash download tool 不可以重新下载固件吗？确定进入下载模式吗？可以在串口工具上看到 waiting for download 吗？或者在 flash download tool 还能读到 flash 信息吗？都不行的话，试试换个 flash？