Search found 5 matches

by delamoure
Tue May 26, 2020 8:50 am
Forum: Hardware
Topic: UART and Open-drain
Replies: 0
Views: 1929

UART and Open-drain

Dear all.
I defined IO33 as TXD UART signal.
Is it possible to make this pin (IO33) also open-drain but still with TXD UART available on it?
by delamoure
Thu Nov 28, 2019 12:02 pm
Forum: ESP-IDF
Topic: How to erase the application directly from... itself?
Replies: 7
Views: 10969

Re: How to erase the application directly from... itself?

The buffers are disabled for both cores. Interrupts also disabled. I working from IRAM now. Most of all I'll try to easy write to the SPI via registers. Because spi_flash functions are not working now for some reason. As for customers... When we have "stupid" task we have to do it like any other tas...
by delamoure
Thu Nov 28, 2019 8:50 am
Forum: ESP-IDF
Topic: How to erase the application directly from... itself?
Replies: 7
Views: 10969

Re: How to erase the application directly from... itself?

Can you please tell me, Core 0 is APP_CPU or PRO_CPU?
by delamoure
Wed Nov 27, 2019 9:06 am
Forum: ESP-IDF
Topic: How to erase the application directly from... itself?
Replies: 7
Views: 10969

Re: How to erase the application directly from... itself?

Why is strange? The goal of this is quite simple. On some assembled devices I run my own test software. But my customer wants to get the devices (esp32 firmware) in the state like "from factory". I don't want to disassemble all mechanical parts and erase esp32 by pc connection, because is better to ...
by delamoure
Tue Nov 26, 2019 10:18 am
Forum: ESP-IDF
Topic: How to erase the application directly from... itself?
Replies: 7
Views: 10969

How to erase the application directly from... itself?

Hi there. Friends, can anybody advice me how to do the application that is able to erase itself in the ESP32-WROOM-32 flash memory, or (and this is better) can bring the ESP32-WROOM-32 to the its default factory state. I don't ask for a solution, but asking for the advice how is better to do that. A...