samples: cmsis_dsp: add moving average sample #66726
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This adds a basic example demonstrating how to enable and use the CMSIS-DSP module in Zephyr. Signed-off-by: Benjamin Cabé <[email protected]>
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| tags: | ||
| - samples | ||
| integration_platforms: | ||
| - qemu_cortex_m0 |
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Using mps2_an521_remote here would be a nice opportunity to show MVE in action :).
| /* Apply the FIR filter to the input data and measure how many cycles this takes */ | ||
| start = k_cycle_get_32(); | ||
| arm_fir_q31(&sFIR, input, output, BLOCK_SIZE); | ||
| end = k_cycle_get_32(); |
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Does averaging 32 samples take long enough to show up at the cycle resolution?
The standard API for profiling durations is zephyr/timing/timing.h with CONFIG_TIMING_FUNCTIONS=y from my understanding.
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This pull request has been marked as stale because it has been open (more than) 60 days with no activity. Remove the stale label or add a comment saying that you would like to have the label removed otherwise this pull request will automatically be closed in 14 days. Note, that you can always re-open a closed pull request at any time. |
This adds a basic example demonstrating how to enable and use the CMSIS-DSP module in Zephyr.