Smart Home Automation Forum

Hi I have an A16 v1.5 board that will not flash.

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From doing some reading this is a fatal error....

do you have connected USB-C cable and power supply ?
note: when you download firmware, need remove 433Mhz RF receiver module.

(05-14-2024, 07:49 AM)admin Wrote: [ -> ]do you have connected USB-C cable and power supply ?
note: when you download firmware, need remove 433Mhz RF receiver module.

Yes 
while programming I had the usb-c cable (known working) & well as known good 12V 5A power connected & RF module was not connected.

do you have installed USB-Serial port driver first. you can install by this link: https://www.kincony.com/download/CH341SER.zip

(05-14-2024, 11:20 AM)admin Wrote: [ -> ]do you have installed USB-Serial port driver first. you can install by this link: https://www.kincony.com/download/CH341SER.zip

Yes drivers are installed (I have 2 x KC868-A8 & 1 x KC868-A6 which work fine).

can you try do "ERASER" firstly.

(05-15-2024, 11:47 AM)admin Wrote: [ -> ]can you try do "ERASER" firstly.

I tried Eraser

Log Output:

test offset :  0 0x0
case ok
..
Uploading stub...
Running stub...
Stub running...
FLASH_CRYPT_CNT 0
ABS_DONE_0 False
Exception in thread Thread-1:
Traceback (most recent call last):
  File "threading.py", line 932, in _bootstrap_inner
  File "download_process.py", line 664, in run
  File "espDownloader.py", line 517, in flash_erase_test
  File "espDownloader.py", line 1868, in flash_erase_func
  File "espDownloader.py", line 663, in esp_flash_erase_and_clr_protect
  File "esptool.py", line 154, in inner
  File "esptool.py", line 961, in erase_flash
  File "esptool.py", line 495, in check_command
  File "esptool.py", line 468, in command
  File "esptool.py", line 413, in read
  File "esptool.py", line 3453, in slip_reader
esptool.FatalError: Packet content transfer stopped (received 8 bytes)

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what power supply you have used?
can you try another USB-C cable.

(05-14-2024, 08:10 AM)corkers Wrote: [ -> ]

(05-14-2024, 07:49 AM)admin Wrote: [ -> ]do you have connected USB-C cable and power supply ?
note: when you download firmware, need remove 433Mhz RF receiver module.

Yes 
while programming I had the usb-c cable (known working) & well as known good 12V 5A power connected & RF module was not connected.

(05-16-2024, 09:48 AM)admin Wrote: [ -> ]what power supply you have used?
can you try another USB-C cable.

Tried 3 different cables all same result. All cables tested & working on other devices.
Tested with 5A 12Vdc power supply & also tried 12V 2A dc power supply.

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