<![CDATA[m5stack and arduino cant upload anything]]>I get this error when trying to upload a program to the m5stack fire.
A fatal error occurred: Failed to connect to Espressif device: Invalid head of packet (0x0D)

esptool.py v2.6
Serial port COM1
Connecting............................_____....._
Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
MAC: 24:0a:c4:a6:55:34
Uploading stub...
Running stub...
Stub running...
Changing baud rate to 921600
Changed.
Configuring flash size...
Warning: Could not auto-detect Flash size (FlashID=0xffffff, SizeID=0xff), defaulting to 4MB
Compressed 8192 bytes to 47...

A fatal error occurred: Timed out waiting for packet content
A fatal error occurred: Timed out waiting for packet content

]]>https://community.m5stack.com/topic/1044/m5stack-and-arduino-cant-upload-anythingRSS for NodeWed, 29 Apr 2026 01:32:10 GMTThu, 30 May 2019 23:06:26 GMT60<![CDATA[Reply to m5stack and arduino cant upload anything on Fri, 31 May 2019 04:31:49 GMT]]>Glad you got it sorted. Most of the time, issues like this are the driver not working or the lead failing.

]]>https://community.m5stack.com/post/4486https://community.m5stack.com/post/4486Fri, 31 May 2019 04:31:49 GMT<![CDATA[Reply to m5stack and arduino cant upload anything on Thu, 30 May 2019 23:20:23 GMT]]>okay apparently my issue was a bad driver for the silicon labs cpxxx chip, installed a new driver and it seems to work now.

]]>https://community.m5stack.com/post/4484https://community.m5stack.com/post/4484Thu, 30 May 2019 23:20:23 GMT