Tiny Core Base > Other architectures

piCore for the H3 boards - Orange Pi, Nano Pi etc.

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nxtv2.0:
There are python libraries for the raspberry pi that use its dma channels to output pwm on any pin chosen?
How do i get PWM out of the allwinner h3 in this port?
In the allwinner h3 datasheet it says "12 dma channels" .

thanks in advance.

m00rg:

--- Quote from: jgrulich on October 07, 2016, 04:54:07 PM ---Hi Pete,
which customized kernel do you made? Do you have video and audio working?
Regards,
Jan

--- End quote ---

Sadly it's not a customised one; I'm just using a stock one from the dietPi OrangePi image.
It's got all the modules we need for a base TinyCore install (although not ramdisk compression) and has a good number of sound drivers, but I haven't found the source it's compiled from.

It's a shame the stock kernel doesn't have HDMI working; I have a 4.6 image ready to test (I just haven't got around to it) but no HDMI is a showstopper for me. I've been wanting to do a PREEMPT_RT kernel and also use an i2s soundcard that there is no module for..

nxtv2.0:
How do i use i2c and spi controllers inside the allwinner h3 in this port??

Thanks in Advance.

jgrulich:
@m00rg:
Yes, may be, you may use several kernels from different distros, but I'm using source of the 3.4.112 distro with all its patches to get it working with the zswap, video, HDMI, w1, I2S etc.

The mainline kernel doesn't support video, audio etc. and it will take a long time to change it, because nobody is working on it now. Means that it's suitable mainly for the server and headless applications like a IoT etc. The Nanopi Neo is the best choice for it.

jgrulich:
@nxtv2.0:
There is working I2C #0 at the regular I2C pins and I2C #1 at the HAT I2C pins.
The SPI #0 is working on it's regular pins 19,21,23.

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