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Using ethernet library changes SPI configuration and kills UG8 comm with display #352

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
What steps will reproduce the problem?
1.Create app with both U8G and Ethernet libraries
2.Instantiate an U8G ST7920 device and an ethernet device
3.Run app

What is the expected output? What do you see instead?
I expect to see data from the ethernet device displayed on the graphic display 
I see proper intial results but ongoing communications with either device fails 
after that.
What version of the product are you using? On what operating system?
The latest on the site. Windows 7 Arduino 1.6.5

Please provide any additional information below.
This is less of an issue and more of a question.

The spi transaction function seems to partly deal with this problem assuming 
all spi activity happens in the main loop.

Original issue reported on code.google.com by ourbackp...@gmail.com on 23 Jul 2015 at 4:54

GoogleCodeExporter commented 8 years ago 
should be discussed on github

Original comment by olikr...@gmail.com on 23 Jul 2015 at 6:46