Search found 3529 matches

by WiFive
Sun May 15, 2022 4:53 pm
Forum: Hardware
Topic: Hardware Flash Corruption Issue
Replies: 55
Views: 38846

Re: Hardware Flash Corruption Issue

Ritesh wrote:
Sun May 15, 2022 1:02 pm
So, We have did some research around one month and found exact root cause of that problem. But still remaining to find rootcause for current issue which I have raised for the same.
Can you share the root cause you found and solution?
by WiFive
Sun May 15, 2022 4:49 pm
Forum: General Discussion
Topic: How can I build C project without FreeRTOS?
Replies: 11
Views: 6434

Re: How can I build C project without FreeRTOS?

There is a reason why all those mentioned OS exist, it's the best general solution to effectively time share the CPU. ESP peripherals have been designed to work in this context with internal state machines. If you are trying to use esp32 as basically a coprocessor type role because it is cheap, you ...
by WiFive
Fri May 06, 2022 6:02 pm
Forum: ESP-IDF
Topic: Multiple PSRAM into memory mapping
Replies: 3
Views: 1840

Re: Multiple PSRAM into memory mapping

I don't think so, you would have to be able to associate each memory mapped region to a different chip select. There are 128mb psram chips though.
by WiFive
Thu May 05, 2022 2:11 pm
Forum: ESP-IDF
Topic: Custom bootloader
Replies: 4
Views: 3938

Re: Custom bootloader

You don't need IRAM_ATTR because the bootloader has its own linker script which places everything in iram but it's good to be aware of it.
by WiFive
Thu May 05, 2022 2:06 pm
Forum: General Discussion
Topic: ESP32-WROOM-32D NRND
Replies: 1
Views: 1398

Re: ESP32-WROOM-32D NRND

ESP32-WROOM-32E(16MB) just be aware that flash pins are not connected to external pads on new modules
by WiFive
Thu May 05, 2022 2:04 pm
Forum: General Discussion
Topic: Huge currents drawn with ESP32 WROVER KIT (with attached LCD display board
Replies: 3
Views: 1806

Re: Huge currents drawn with ESP32 WROVER KIT (with attached LCD display board

What are you using to measure the current and do you have graphs?
by WiFive
Wed May 04, 2022 9:20 pm
Forum: Hardware
Topic: ESP32-WROOM direct external QSPI flash for mass production programming
Replies: 3
Views: 2407

Re: ESP32-WROOM direct external QSPI flash for mass production programming

ESP32-WROOM32-E does NOT expose spi flash pins.
by WiFive
Wed May 04, 2022 9:11 pm
Forum: General Discussion
Topic: Try wifi ssid and password before connect
Replies: 2
Views: 1562

Re: Try wifi ssid and password before connect

Most likely no because you would have to either perform a handshake or observe a handshake. What would be the advantage over apsta mode? You would still have to switch channels.