Search found 7 matches

by ephvwhvw
Tue Nov 16, 2021 8:00 pm
Forum: General Discussion
Topic: Learning the Xtensa LX7 processor on a register level.
Replies: 4
Views: 5125

Re: Learning the Xtensa LX7 processor on a register level.

Hi ESP_Sprite,

my inspiration has mostly returned,

thanks!
by ephvwhvw
Sat Nov 13, 2021 2:52 pm
Forum: General Discussion
Topic: Learning the Xtensa LX7 processor on a register level.
Replies: 4
Views: 5125

Re: Learning the Xtensa LX7 processor on a register level.

Hi ESP_Sprite, I'm glad I posted this question here and received your answer. Thanks. - I'm used to work with Cortex M3 uC with lots of information to the bare bone level of the uC - I almost spend 3 days now browsing the Internet for espressif, xtensa and cadence and did not find anything usefull -...
by ephvwhvw
Thu Nov 11, 2021 6:35 pm
Forum: General Discussion
Topic: Learning the Xtensa LX7 processor on a register level.
Replies: 4
Views: 5125

Learning the Xtensa LX7 processor on a register level.

Hi, I wonder if it is possible to program the ESP32 in C/C++ without using any ESP specific or related library as I would like to control and sense a GPIO pin first and use interrupts and finally I would like to enable the wifi transmitter on a constant frequency (if possible) and then test it's tra...
by ephvwhvw
Sat Nov 14, 2020 10:47 am
Forum: IDEs for ESP-IDF
Topic: ESP8266 programming in C on Win10 missing info
Replies: 1
Views: 2754

ESP8266 programming in C on Win10 missing info

Hi, I try to program the ESP8266 in C on a Windows 10 computer. I followed the instructions from: https://docs.espressif.com/projects/esp8266-rtos-sdk/en/latest/get-started/index.html# At some stage it says download: https://dl.espressif.com/dl/xtensa-lx106-elf-win32-1.22.0-100-ge567ec7-5.2.0.zip bu...
by ephvwhvw
Thu Oct 15, 2020 4:35 am
Forum: Hardware
Topic: Annex: cannot flash ESP32
Replies: 1
Views: 2546

Re: Annex: cannot flash ESP32

Hi,

Let me answer myself.

From https://sites.google.com/site/annexwifi/downloads I downloaded the wrong version 1.41. (ESP8266) After downloading version 1.38_RC5 (ESP32) all works fine.

Thanks for listening anyway!
by ephvwhvw
Sun Jun 14, 2020 3:49 pm
Forum: Hardware
Topic: Annex: cannot flash ESP32
Replies: 1
Views: 2546

Annex: cannot flash ESP32

I use the Annex+32 ToolKit V1.11 and a ESP-WROOM32 board with chip ESP32D0WDQ6 from manuafacturer 'ef' (Winbond). Reading Module Info (button) works fine. Flash Firmware Only (button) results in a "A fatal error occurred: Invalid head of packet (0x46)" message. I tried another board from manufacture...
by ephvwhvw
Sat Aug 03, 2019 7:49 pm
Forum: ESP-IDF
Topic: Eclipse - *** IDF_PATH cannot contain colons....
Replies: 4
Views: 7757

Re: Eclipse - *** IDF_PATH cannot contain colons....

Hi,

same problem here, would like to know what you found out being wrong...

Thanks