Embedded Motion Control/Additional information: Difference between revisions
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(Created page with '==Tips and tricks== *When experimenting with the additional mars-rovers, the RCX from the experimental kit can be used to fulfil the role of the earth computer. *First make a ske…') |
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*Make a clear distinction between the sample rates of the different software parts and thoroughly consider on which RCX they are implemented. | *Make a clear distinction between the sample rates of the different software parts and thoroughly consider on which RCX they are implemented. | ||
*If operations fail, printing error code to the LCD can help to debug the program. | *If operations fail, printing error code to the LCD can help to debug the program. | ||
*In order to compile the written C-programs into .lx-files, all C-code should be put into the directory where the <code>Makefile</code> is present, i.e. <code>/ | *In order to compile the written C-programs into .lx-files, all C-code should be put into the directory where the <code>Makefile</code> is present, i.e. <code>~/emc/demo</code>. | ||
*To prevent the system from crashing it is necessary to insert a stop thread in the program in which all other threads are killed. | *To prevent the system from crashing it is necessary to insert a stop thread in the program in which all other threads are killed. | ||
*Avoid the use of <code>while(1)</code>, use <code>while(!shutdown_requested())</code> instead. | *Avoid the use of <code>while(1)</code>, use <code>while(!shutdown_requested())</code> instead. | ||
*Make sure that variables do not overflow, for example keep an integer smaller than 32767 (see [1, page 187]) | *Make sure that variables do not overflow, for example keep an integer smaller than 32767 (see [1, page 187]) | ||
*The lake may not be visible when standing right in front of it. | *The lake may not be visible when standing right in front of it. | ||
*To get wireless inter at the TU/e go [[Realtime_Linux#Wireless_internet_at_the_TU.2Fe | here]] | |||
Revision as of 12:48, 21 March 2011
Tips and tricks
- When experimenting with the additional mars-rovers, the RCX from the experimental kit can be used to fulfil the role of the earth computer.
- First make a sketch of the software architecture on paper before writing the actual code.
- Make a clear distinction between the sample rates of the different software parts and thoroughly consider on which RCX they are implemented.
- If operations fail, printing error code to the LCD can help to debug the program.
- In order to compile the written C-programs into .lx-files, all C-code should be put into the directory where the
Makefileis present, i.e.~/emc/demo. - To prevent the system from crashing it is necessary to insert a stop thread in the program in which all other threads are killed.
- Avoid the use of
while(1), usewhile(!shutdown_requested())instead. - Make sure that variables do not overflow, for example keep an integer smaller than 32767 (see [1, page 187])
- The lake may not be visible when standing right in front of it.
- To get wireless inter at the TU/e go here