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by Altah
Thu Jan 26, 2017 1:49 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: mcp2515 overlay
Replies: 1
Views: 821

mcp2515 overlay

Hello, i wanted to use the mcp2515 with spi2. That´s why i changed the config entry into dtoverlay=spi2-1cs,cs0_pin=43 dtoverlay=mcp2515-can0-spi2,oscillator=16000000,interrupt=25 The "mcp2515-can0-spi2.dts" is a modified copy of the original file. /* * Device tree overlay for mcp251x/can0 on spi2.0...
by Altah
Wed Jan 25, 2017 2:35 pm
Forum: Interfacing (DSI, CSI, I2C, etc.)
Topic: SPI driver latency and a possible solution
Replies: 241
Views: 138850

Re: SPI driver latency and a possible solution

Hi,

i am also interested in the actual state.
I am using the newest raspbian jessie (4.4.?).
I have problems with a mcp2515 on spi2.
After running a while, the can interface stops receiving frames.

Is the "spi latency patch" allready implemented?
How to use the mcp2515 module with the newest kernel?
by Altah
Thu Jan 12, 2017 4:25 pm
Forum: Troubleshooting
Topic: Edid with custom resolution not working
Replies: 4
Views: 891

Re: Edid with custom resolution not working

Thank you for your answer! Is there any way to allow non-standard resolutions in EDID? Or do i have to make a workaround like checking the EDID and the current setting automativally? For example using a script after startup which edits the config.txt ,if the resolution is not matching and reboots th...
by Altah
Wed Jan 11, 2017 9:00 am
Forum: Troubleshooting
Topic: Edid with custom resolution not working
Replies: 4
Views: 891

Edid with custom resolution not working

I have a problem with a compute module in an embedded application. In this application, the compute module should drive an specific display, wich has a custom resolution. This resolution is not in the standard resolution list, so hdmi_group=1 or hdmi_group=2 doesn´t work. For testing purposes i put ...

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