Search found 95 matches

by roctwo
Mon Feb 20, 2017 9:37 am
Forum: General Discussion
Topic: How to transmit video faster via wifi?
Replies: 20
Views: 30886

Re: How to transmit video faster via wifi?

Can you elaborate on your design? Are you sending video data using a known format or protocol? Does it have to be datagram or can it be stream (TCP)? What is the source of the video on the ESP32? What is the nature of the application/system receiving the data stream? Is there any video compression ...
by roctwo
Sat Feb 18, 2017 6:07 am
Forum: General Discussion
Topic: How to transmit video faster via wifi?
Replies: 20
Views: 30886

Re: How to transmit video faster via wifi?

If I remove the vTaskDelay, many UDP packets will be lost.
by roctwo
Wed Feb 15, 2017 8:39 am
Forum: General Discussion
Topic: UDP packet loss when transimitt video
Replies: 0
Views: 2732

UDP packet loss when transimitt video

Hi! The following is my code: static void udp_thread(void *p) { int i = 0; int sock; struct sockaddr_in toAddr; xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT, false, true, portMAX_DELAY); LWIP_UNUSED_ARG(p); sock = socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP); if(sock < 0) { ESP_LOGI(TAG, "socket er...
by roctwo
Fri Feb 10, 2017 8:52 am
Forum: General Discussion
Topic: How to set the I2S isr ocuurs only in the condition that DMA buffer is full.
Replies: 0
Views: 2475

How to set the I2S isr ocuurs only in the condition that DMA buffer is full.

How to set the I2S isr ocuurs only in the condition that DMA buffer is full and no other conditions will cause the I2S ISR to occur?
by roctwo
Fri Feb 10, 2017 7:35 am
Forum: General Discussion
Topic: The question of i2s configuration and camera configuration
Replies: 1
Views: 3734

The question of i2s configuration and camera configuration

Hi! Based on the igrrs' open source project https://github.com/igrr/esp32-cam-demo , I developed my own project.As a result,maybe igrr is better suited to answering this question.In fact, I've been asking questions on his project page, but I haven't got the answer yet. In his project,i2s isr occcurs...
by roctwo
Thu Feb 09, 2017 6:25 am
Forum: General Discussion
Topic: How to buy ESP-WROVER-KIT development board?
Replies: 1
Views: 4118

How to buy ESP-WROVER-KIT development board?

We want to buy ESP-WROVER-KIT development board.How to buy it?
by roctwo
Tue Feb 07, 2017 2:35 am
Forum: General Discussion
Topic: fatal: could not create work tree dir 'esp-idf'.: File exists
Replies: 2
Views: 7680

Re: fatal: could not create work tree dir 'esp-idf'.: File exists

I am sure no esp-idf exits in my vmware shared folders!
by roctwo
Tue Feb 07, 2017 2:34 am
Forum: General Discussion
Topic: fatal: could not create work tree dir 'esp-idf'.: File exists
Replies: 2
Views: 7680

fatal: could not create work tree dir 'esp-idf'.: File exists

Hi! ESP-idf has upadted.As a result ,I update my build system and tools.Then I clone esp-idfv2.0 from git to my vmware shared folders.But fatal error occur as follow: root@esp8266-VirtualBox:/mnt/Share/esp32# git clone --recursive https://github.com/espressif/esp-idf.git fatal: could not create work...
by roctwo
Tue Jan 24, 2017 6:36 am
Forum: General Discussion
Topic: How to transmit video faster via wifi?
Replies: 20
Views: 30886

Re: How to transmit video faster via wifi?

I need a API which can register the callback function of wifi's sending success.Does this API exists? If not,do you plan to provide this API?
by roctwo
Tue Jan 24, 2017 3:27 am
Forum: General Discussion
Topic: How to make ESP32 output 20MHZ's clock
Replies: 4
Views: 18152

Re: How to make ESP32 output 20MHZ's clock

OK ,Thank you,sorry for my bad English.I will check it