Throw the Switch on Rock Solid Embedded Systems - Flash (Medium) - 20110222 08.08.51PM
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Throw the Switch! on Kickass Embedded Applications
Throw the Switch! on Kickass Embedded Applications
An Introduction
NOT
An Introduction
NOT
Mike & Greg
Instead
An
Embedded Software
Moves
Double-click to edit
Nice City
High Tech
Starts Work Enthusiastically
But, over the years...
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Downsides to Embedded
Not as Flexible as Other SW
Limited Resources(Memory, CPU power, etc...)
Hard Deadlines
Culture(more EE than SW)
There’s not many ways to handle such a situation
High Tech
High Tech
There MUST be others... RIGHT?!?
High Tech
Developed
Tools
Community
Like-Minded
That’s what this presentation is about
Mike & Greg
C
Not really OO
Static
Ruby
Dynamic
Power!
Now what??
Test Harnessing
Assertions
Unity
Ruby to the Rescue!
Grows Test Suites
Eliminates Waste
Double-click to edit
But we are developing a system?
Interactions
Mock Objects
CMock
Interfaces
Header Files
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Ruby does the work...
Link-time Binding
Mocks Functions
Creates Helper Methods
Verifies Interactions
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Empowers Tests
Validate Error Handling
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For REAL Functions
??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
For REAL Functions
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For REAL Functions
??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
Error Handling
Messy
Hidden in Return Codes
Interrupts Code Flow
Nested Contraptions
??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
CException
Brings try/catch to C
Supported by CMock
??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
How do we wrangle all of this magic???
??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
How do we wrangle all of this magic???
Ceedling
00:00
/
00:00
CC
Copyright
©
2011
Mike
Karlesky,
Mark
VanderVoord,
Greg
Williams
Copyright
©
2011
Mike
Karlesky,
Mark
VanderVoord,
Greg
Williams
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government
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