Search found 3529 matches

by WiFive
Tue Feb 12, 2019 3:37 am
Forum: General Discussion
Topic: U-Boot port for expressif ESP_WROVER_KIT
Replies: 5
Views: 5749

Re: U-Boot port for expressif ESP_WROVER_KIT

I would guess more specifically he wants an interactive 2nd stage bootloader that would allow you to interrupt normal boot and update the firmware over uart without having to enter 1st stage bootloader download mode
by WiFive
Tue Feb 05, 2019 11:50 am
Forum: ESP-IDF
Topic: Can driver bug
Replies: 2
Views: 3402

Re: Can driver bug

Did you open GitHub issue?
by WiFive
Mon Jan 21, 2019 2:15 pm
Forum: General Discussion
Topic: Configuring ESP32 to execute from SPI RAM
Replies: 8
Views: 11423

Re: Configuring ESP32 to execute from SPI RAM

Psram is mapped into dram and the CPU cannot execute instructions from dram
by WiFive
Tue Jan 15, 2019 5:02 am
Forum: General Discussion
Topic: (solved) LWIP/sockets memory leak?
Replies: 6
Views: 10649

Re: LWIP/sockets memory leak?

Is it still there if you don't stop/start wifi? Although 3.1.1 includes https://github.com/espressif/esp32-wifi ... 32f332c4e7 so maybe not.
by WiFive
Tue Jan 15, 2019 3:26 am
Forum: ESP-IDF
Topic: High Level Interrupt on external GPIO Interrupt
Replies: 15
Views: 19189

Re: High Level Interrupt on external GPIO Interrupt

Are you sure ESP_INTR_FLAG_HIGH returns a level 5 interrupt since it matches more than one level?
by WiFive
Tue Jan 15, 2019 3:10 am
Forum: General Discussion
Topic: running ESP32-D2WD at 240 MHz ??
Replies: 3
Views: 7718

Re: running ESP32-D2WD at 240 MHz ??

You can put small programs wholly into iram, most people are using too big of a program to do that. pico D4 comes with passives and the crystal inside, which you would have to fit in that 24mm² including trace routing to come out even. It is possible the reason for the 160mhz limitation is thermal c...