Search found 425 matches

by Deouss
Thu Jul 12, 2018 11:40 am
Forum: ESP-IDF
Topic: Setting up Visual Studio Code for ESP32 IDF
Replies: 16
Views: 66041

Re: Setting up Visual Studio Code for ESP32 IDF

I updated the section about environment variables.
There is a batch file that automatically pulls the branch from git and sets the IDF_PATH for you ;)
by Deouss
Thu Jul 12, 2018 2:42 am
Forum: General Discussion
Topic: TFT spi at 60MHz
Replies: 15
Views: 22850

Re: TFT spi at 60MHz

That's awesome :)
by Deouss
Wed Jul 11, 2018 1:43 pm
Forum: ESP-IDF
Topic: Setting up Visual Studio Code for ESP32 IDF
Replies: 16
Views: 66041

Setting up Visual Studio Code for ESP32 IDF

I posted a small guide how to setup VS Code and ESP-IDF on Windows
System uses CMake and is independent from f.ex PlatformIO
It will compile full blown FreeRTOS projects ;)

Link:
Setting up Visual Studio Code for ESP32 IDF
by Deouss
Wed Jul 11, 2018 11:27 am
Forum: General Discussion
Topic: TFT spi at 60MHz
Replies: 15
Views: 22850

Re: TFT spi at 60MHz

Note that you can chain-link DMA descriptors in order to automatically send buffers >=4KiB. For instance, the SPI master code does this. You mean using spi_device_queue_trans() and spi_device_get_trans_result() will sync and wait for DMA to finish? So referring to DMA - the spi transaction tx_buffe...
by Deouss
Tue Jul 10, 2018 8:06 pm
Forum: General Discussion
Topic: TFT spi at 60MHz
Replies: 15
Views: 22850

Re: TFT spi at 60MHz

I have STM32F407VET6 however few people told me that it has very little memory and flash despite some extra peripherals. We need like next gen of ESP to get all that features) When it comes to RGB parallel interface - maybe it is possible to address 3 lines separately with 3 parallel SPIs/clocks and...
by Deouss
Tue Jul 10, 2018 3:46 pm
Forum: General Discussion
Topic: TFT spi at 60MHz
Replies: 15
Views: 22850

Re: TFT spi at 60MHz

You mentioned that FT8 chip. It is FTDI up to 800x600. Well, I am not so concerned about speed of displaying the image but about resolution. I want to display image on HD LCD panel and speed is not an issue. Not sure how to achieve it with ESP. I haven't messed with MIPI yet and just learning about ...
by Deouss
Tue Jul 10, 2018 12:24 pm
Forum: General Discussion
Topic: TFT spi at 60MHz
Replies: 15
Views: 22850

Re: TFT spi at 60MHz

Yes, I noticed MIPI DSI is on many Raspberry Pi boards. The cheaper TFTs use parallel interface which I must look at much closer how to program it. As far as I understand RGB lines are parallel input and independent and can be 'swiped' with shift register ICs or some serial converters. What also got...
by Deouss
Tue Jul 10, 2018 11:38 am
Forum: Hardware
Topic: Integrating USB UART into ESP
Replies: 0
Views: 2262

Integrating USB UART into ESP

I am looking for guides, schematics and all info on how to integrate usb flash/programm functionality into esp chip.
Also plan to design some custom pcb with solar charger. Maybe someone could help or share advices.
Thanks
by Deouss
Tue Jul 10, 2018 11:34 am
Forum: General Discussion
Topic: TFT spi at 60MHz
Replies: 15
Views: 22850

Re: TFT spi at 60MHz

Interesting. I thought those popular TFTs have vertical refresh rates at least 60Hz. I am not sure how to calculate spi frequency into pixel and frame bandwidth. What parameters should I be looking for in datasheets?