Search found 4 matches

by SvenA
Tue Dec 21, 2021 3:37 pm
Forum: ESP8266 boards
Topic: ESP8266 Booting: Fatal exception (0):
Replies: 5
Views: 18822

Re: ESP8266 Booting: Fatal exception (0):

Ok, I rechecked my setup. The chip seems to be a ESP-07 from Expressif. Not an ESP-12F, sorry for this mistake. I ordered it with 4MB, but the auto-detection only returns 1MB. Hmm?! But this should be enough for my purposes. I received two new ESP-12E chips and tried to flash one of these. It worked...
by SvenA
Tue Dec 21, 2021 10:39 am
Forum: ESP8266 boards
Topic: ESP8266 Booting: Fatal exception (0):
Replies: 5
Views: 18822

Re: ESP8266 Booting: Fatal exception (0):

Hmmm, you're right. This may be a chip with 4MB flash memory. But the autodetection of the flash size says 1MB: Auto-detected Flash size: 1MB So I tried to flash it with the option --flash_size=4MB using the 2MB+ image. Nothing changed. I tried to flash the 512KB image, but it does not work either. ...
by SvenA
Mon Dec 20, 2021 5:48 pm
Forum: ESP8266 boards
Topic: ESP8266 Booting: Fatal exception (0):
Replies: 5
Views: 18822

Re: ESP8266 Booting: Fatal exception (0):

Hello! I tried all four flash modes ('qio': 0, 'qout': 1, 'dio': 2, 'dout': 3). Nothing has changed... Writing the tasmota image with the tool provided by tasmotizer works always. $ ./tasmotizer.py esptool.py v2.8 Serial port /dev/ttyUSB0 Connecting.... Chip is ESP8266EX Features: WiFi Crystal is 26...
by SvenA
Sun Dec 19, 2021 11:37 pm
Forum: ESP8266 boards
Topic: ESP8266 Booting: Fatal exception (0):
Replies: 5
Views: 18822

ESP8266 Booting: Fatal exception (0):

Hello! I tried to flash MicroPython (v1.17) on my ESP-12F today, but it does not work correctly. After booting I will get the following output: ets Jan 8 2013,rst cause:1, boot mode:(3,7) load 0x40100000, len 30668, room 16 tail 12 chksum 0x20 ho 0 tail 12 room 4 load 0x3ffe8000, len 996, room 12 ta...