Error with continuous time block when building c2000_motor_algo example

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Renee 2013-3-18

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https://ww2.mathworks.cn/matlabcentral/answers/67697-error-with-continuous-time-block-when-building-c2000_motor_algo-example

I am working through the c2000_motor_algo example in an attempt to familiarize myself with the basics of simulink coder. When I build the program in accordance with the instructions under "Task 2" in the documentation, I get the error:

Block 'c2000_motor_algo/Position signal/Clock' uses continuous time, which is not supported with the current configuration. Consider selecting the support 'continuous time' option on the Configuration Parameters > Code Generation > Interface pane

And a similar error for the startTime block. I tried changing the 'continuous time' option as instructed, but then received the error,

The Embedded-C code format does not support continuous sample time blocks

I cannot change the blocks to discrete time blocks because the file is locked (presumably because its an example).

I'm using Matlab 2012b. My target preferences are configured for a Custom board, F28335. I have my solver set to discrete, fixed-step, auto step size.

Another posting had a similar problem, but without a satisfactory resolution: http://www.mathworks.com/matlabcentral/answers/36601-the-embedded-c-code-format-does-not-support-continuous-sample-time-blocks

I appreciate any input!

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Kaustubha Govind 2013-3-19

I'm not sure which library the startTime block belongs to, but I don't think the Clock block is recommended for generating embeddable code. You probably need to use a target-specific implementation of the Clock.

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