Search found 268 matches

by urbanze
Tue Jun 18, 2019 1:05 pm
Forum: General Discussion
Topic: RTC RAM
Replies: 9
Views: 6973

Re: RTC RAM

Whats de difference between normal RAM and RTC RAM in noinit sections? If this attribute keep value after some resets, only difference are in deep sleep? In all others cases, this two RAM's noinit are equal?
by urbanze
Tue Jun 18, 2019 12:27 am
Forum: General Discussion
Topic: RTC WDT & BOD bootloader
Replies: 0
Views: 506

RTC WDT & BOD bootloader

Hi guys, I could not find information about bootloader startup RTC WDT and BOD. I would like to know more informations about some logic (if have) or mainly time between power and boot of this periphals... With bootloader verbose, I look value ~66 in timestamp (cpu ticks in this stage, assuming 160MH...
by urbanze
Wed May 22, 2019 4:04 pm
Forum: General Discussion
Topic: ESP32 BUG cause software brick
Replies: 6
Views: 1966

Re: ESP32 BUG cause software brick

Damn. Maybe it's not related to core dump then, I was just going on the last log message before it froze. I don't know of anything in particular with this commit, but this is the problem with "Development" versions (-dev) - they have had some basic automated testing but they're not comprehensively ...
by urbanze
Wed May 22, 2019 1:43 am
Forum: General Discussion
Topic: ESP32 BUG cause software brick
Replies: 6
Views: 1966

Re: ESP32 BUG cause software brick

Got it, thanks. If you now do "esptool.py erase_region 0x3a6000 0x32000", without changing anything else, does the firmware finish booting correctly? No, I deleted that partition with its specific size and at the first boot, an error message appeared while loading the partition table, but as soon a...
by urbanze
Tue May 21, 2019 4:02 pm
Forum: General Discussion
Topic: ESP32 BUG cause software brick
Replies: 6
Views: 1966

Re: ESP32 BUG cause software brick

It looks like maybe there is some problem with the core dump partition in flash? Is there any chance you could dump this partition with "esptool.py read_flash" and then send it to me? BTW, you say you ran the code for more than 1 year but it looks like you've more recently rebuilt the project with ...
by urbanze
Tue May 21, 2019 1:50 am
Forum: General Discussion
Topic: ESP32 BUG cause software brick
Replies: 6
Views: 1966

ESP32 BUG cause software brick

Hi guys, something crazy happen with my esp32 product... I was testing our product in my home (I brought it from work) and turned on the power, everything working normally. I removed and inserted the power a few more times to hear the sweet noise of the beating relays (soon at the beginning of the c...
by urbanze
Thu May 16, 2019 2:26 pm
Forum: ESP-IDF
Topic: task watchdog user handler
Replies: 6
Views: 2471

Re: task watchdog user handler

Not really... usually, when a stack overflow happens, it is detected after the fact and random data from other tasks or the OS already has been overwritten. This means the stability of the system can't be relied upon anymore and it would not be a smart idea to do complicated stuff like uploading lo...
by urbanze
Wed May 15, 2019 1:16 pm
Forum: ESP-IDF
Topic: task watchdog user handler
Replies: 6
Views: 2471

Re: task watchdog user handler

It's because c/cpp files will be left out entirely if they don't contain any symbols that are unresolved, and the linker sees the availability of a 'weak' function as 'resolved'. Solution is to create a symbol in the c file somehow (e.g. void wdt_handler_dummy_symbol { }) and then add ing a linker ...
by urbanze
Tue May 14, 2019 5:05 pm
Forum: ESP-IDF
Topic: task watchdog user handler
Replies: 6
Views: 2471

Re: task watchdog user handler

Well, I using .cpp file in main esp32, then, weak function will not work without 'extern "C"'

this work's nicelly:

Code: Select all

extern "C" void esp_task_wdt_isr_user_handler(void)
	{
		ets_printf("lol\r\n");
	}
But, how can I get task name that not-feed task wdt in this handler()?
by urbanze
Mon May 13, 2019 9:37 pm
Forum: General Discussion
Topic: ESP32 BUG with Battery backed & BOD + RTC ON
Replies: 1
Views: 865

ESP32 BUG with Battery backed & BOD + RTC ON

Hi little guys! I found bad notices about esp32 with power supplied by (old) litio battery. I keep esp32 powered by battery until battery die (~2.1V) just to test, but sometimes, esp32 not turn on even I put power supply (providing to battery & circuit)... Putting esp32 in serial debug to view ROM i...

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