> 未分类 > [Grbl_Esp32 Issue#70] [Not an Issue] Hint on I2S parallel DMA shift register driving stepper

[Grbl_Esp32 Issue#70] [Not an Issue] Hint on I2S parallel DMA shift register driving stepper

未分类 bolang 3个月前 (10-14) 36次浏览

Issue #70 | 状态: 进行中 | 作者: Aggebitter | 创建时间: 2018-12-10

I have thinking a lot about this I2S to a shift register. The time resolution should be good and look at this driver for RGB displays:
https://github.com/mrfaptastic/ESP32-RGB64x32MatrixPanel-I2S-DMA
https://github.com/ESP32DE/I2Sparallelexampledrivea64×32display

from thread:
https://esp32.com/viewtopic.php?f=17&t=3188

评论 (2)

#1 – Aggebitter 于 2018-12-14

I know that I had read something about this a few years ago. Well here is those links as well
https://github.com/lhartmann/esp8266_reprap
That is based on one of the ESP8266 godfathers at
https://github.com/cnlohr/esp8266ws2812i2s

#2 – Aggebitter 于 2019-01-20

@bdring
It’s running on Marlin now
https://github.com/simon-jouet/ESP32Controller/issues/4

原始Issue: https://github.com/bdring/Grbl_Esp32/issues/70