Search found 7 matches

by prismatics
Sat May 11, 2019 4:48 pm
Forum: ESP-IDF
Topic: CSI Data Reception Callback
Replies: 4
Views: 6830

Re: CSI Data Reception Callback

Dear Espressif, It seems that anybody that is trying to work with this API in a meaningful way has some difficulty or another considering that there are some GitHub issues that have yet to be handled; The user must have very certain controls of the PHY layer (the most important one being fixed data ...
by prismatics
Sat May 04, 2019 1:38 am
Forum: ESP-IDF
Topic: CSI Data Reception Callback
Replies: 4
Views: 6830

Re: CSI Data Reception Callback

Good evening (: I wanted to ask if there is any information I can provide so that someone can answer my questions, I would be very grateful for that. Even if there is no information you can provide, I would be exceedingly happy to know about it or maybe why. Thank you very much in advance. Have a ni...
by prismatics
Thu May 02, 2019 11:51 am
Forum: ESP-IDF
Topic: CSI Data Reception Callback
Replies: 4
Views: 6830

Re: CSI Data Reception Callback

Ok, I have now read a little more about this topic and I have found following insights: LTF only exists in Souding Frame, there may exist OFDM bursts which do not contain Training Sequence. For each OFDM burst to contain a single packet, we must disable AMPDU / AMSDU Now here are my remaining questi...
by prismatics
Wed May 01, 2019 2:30 pm
Forum: ESP-IDF
Topic: CSI Data Reception Callback
Replies: 4
Views: 6830

CSI Data Reception Callback

Dear Espressif, I have a question considering the CSI Data Reception functionality. Please kindly be patient with me as I am new to WiFi modulation specific topics. The documentation specifically denotes that the registered CSI callback function is called after CSI data has been received. Here are a...
by prismatics
Mon Apr 30, 2018 1:44 pm
Forum: ESP-IDF
Topic: boot: chip crash in cpu_start.c
Replies: 4
Views: 6308

Re: boot: chip crash in cpu_start.c

chegewara wrote:

Code: Select all

void esp_gpio_irq(void *args){
   xQueueSendFromISR(irq_listener_queue, &args, NULL);   // <--- is not that args is already pointer? no need to pass it as reference?
   portYIELD_FROM_ISR();
}
Hello chegewara,

we want pointer to pointer type here, so it's correct. :)

Have a nice day o/
by prismatics
Mon Apr 30, 2018 11:57 am
Forum: ESP-IDF
Topic: boot: chip crash in cpu_start.c
Replies: 4
Views: 6308

Re: boot: chip crash in cpu_start.c

Hello Angus,

I have resolved the issue by accident (the build system (not related to espressif) did not 'make clean' correctly), so it's not present for me any longer.
Still thank you very much for your propositions ^.^

Have a nice day
by prismatics
Thu Apr 26, 2018 10:07 am
Forum: ESP-IDF
Topic: boot: chip crash in cpu_start.c
Replies: 4
Views: 6308

boot: chip crash in cpu_start.c

Hello, dear ESP32 community. I have an issue that only occurs for a very specific project configuration, but which I believe should not be related to the project itself... Unfortunately I am not able to provide more detailed code since I cannot fence out the issue specifically enough... I am aware t...