refactor cdata-fb project#1

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jollen wants to merge 118 commits intomoko365:masterfrom

Commits on Feb 11, 2012

Add Makefile
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Add comments
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Add one line
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Register a character driver
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Use printk() in open
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Add test.c user program
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Commits on Feb 12, 2012

Minor number and THIS_MODULE
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Add doc/cmds.txt (the command file)
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Use local symbol
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Commits on Feb 18, 2012

Lab: io memory access
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Add ioctl commands
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Implement ioctl system and user program
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Dirty code: can't access user memory
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End of Exercise 1
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Start exercise 2. Enhance open mehtod: use private
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Use filp->private_data
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End of Exercise 2
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Use copy_from_user() and buffering
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Flush data buffer
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End of Exercise 3
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End of Exercise 3
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End of Exercise 3 (Revision)
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End of Exercise 3 (Revision 2)
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Understanding hardware offset
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End of Exercise 4
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Lab: need to do scheduling
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Commits on Feb 19, 2012

Pseudo code of process scheduling
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End of Exercise 5
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Schedule flush_lcd() using kernel timer
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Add timer
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Some fixes
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Not correct
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Use wait queue
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Some fixes
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End of Exercise 6
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End of Exercise 6 (Revision)
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Commits on Mar 11, 2012

Touch Screen example
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Lab: concepts of BH
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Use Input device Subsystem
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Report abs to Input Device
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Final: cdata-ts.c
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Commits on Mar 17, 2012

Add: down() and up()
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Add: spinlock
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Modify: disable local IRQ
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Use mutex
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Commits on Mar 18, 2012

PCI subsystem
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Use class sysfs
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Full cdata_dev_class subsystem implementation
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Use task queue or work queue (2.6)
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Use task queue or work queue (2.6)
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Commits on Jan 6, 2013

Commits on Jan 13, 2013

Add: porting omap34xx_sht7x.c to x86
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Commits on Jul 28, 2013

Commits on Aug 31, 2013

add usbmouse.c for case study
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Commits on Sep 7, 2013

add datasheet of sht7x
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Commits on Sep 8, 2013

Commits on Feb 22, 2014

Add: cdata-fb-3.0.c: use mutex and kfifo
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Commits on Feb 23, 2014

Update: comment pseudo codes
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Add: reference code from the classroom
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Update: remove unnecessaries
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Commits on May 25, 2014

Commits on Jun 7, 2014

Add: finish 1-7
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Commits on Jun 8, 2014

Update: cdata-ts and its user program
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Commits on Jun 14, 2014

Staging: cdata-ts.c and cdata-fb.c
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Commits on Jun 29, 2014

Commits on Mar 14, 2015

Commits on Nov 15, 2015

Commits on Apr 24, 2016

add lab_20160424: exercise 1~5
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Commits on May 1, 2016

add lab_20160501: exercise 6~13
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Commits on Jul 2, 2016

Commits on Jul 3, 2016

add: cdata-ts (r2) for s3c2410 hardware
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Commits on Nov 20, 2016

Commits on Dec 18, 2016

Commits on Jun 18, 2017

Commits on Jul 7, 2018

Commits on Aug 12, 2018

add: openwrt package
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