FAQ: [#6921] I2C LCD driver over GPIO test fails in 2011r1 branch(2011)

Document created by Aaronwu Employee on Sep 12, 2013
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[#6921] I2C LCD driver over GPIO test fails in 2011r1 branch

Submitted By: Vivi Li

Open Date

2011-12-12 04:02:12     Close Date

2011-12-13 02:53:43

Priority:

Medium     Assignee:

Aaron Wu

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2011R1     Release:

Category:

N/A     Board:

STAMP

Processor:

BF533     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

gcc4.3-2011R1-RC4

App binary format:

N/A     

Summary: I2C LCD driver over GPIO test fails in 2011r1 branch

Details:

 

I2C LCD driver over GPIO test fails in 2011r1 branch.

There is no display on LCD screen.

 

Follow-ups

 

--- Aaron Wu                                                 2011-12-12 05:39:58

This happens as the default clock rate for GPIO simulated I2C interface does not

comply with the LCD board, have update the code in trunk and 2011R1 branch.

 

--- Vivi Li                                                  2011-12-13 03:13:20

OK now. Close it.

 

 

 

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