March 2016
Beginner to intermediate
296 pages
6h 34m
English
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Using timers to trigger conversions
As sampling frequency plays such a critical role in determining the quality of the digital representation of the analog signal input, and to avoid aliasing artifacts, it is preferable to use a timer to trigger the conversion rather than to enable continuous conversions as we did in the previous recipe. This recipe, adcTimerISR_c5v0, illustrates this technique. The aim of this recipe is to configure TIM2 _CH2 in output compare mode so that it toggles every 100 ms and then use this timing signal to trigger the ADC.
How to do it…
- First create a new project called
adcTimerISR.uvprojxand use the RTE manager to configure it as we did for the folderadcISR_c5v0for the Setting up the ADC recipe. - Copy
timer.candCustom_ADC.c ...
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