TMS320F28027: Simulink SCI transmit disable

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Roger Roger
Roger Roger 2017-5-3
评论： Roger Roger 2017-5-9
Hi, I'm using simulink to program TMS320F28027 microcontroller. Each second a two bytes buffer is being sent to SCI transmiter (the function called by interruption INT9.2 is empty). I would like to send the data only when I want, not periodically (p.e. when a switch is on, etc). I don't know how to do so because in Sample time you must put a real number. Any ideas? Thank you very much. PD: do not take into account ADC-PWM Synchronization via ADC Interrupt...

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Antonin
Antonin 2017-5-9
You can use an "Enabled Subsystem" and put your SCI Transmit block inside to only send when you want. The control of the enabled subsystem can come from a switch or any other signal.
I hope it helps!

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