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| author | jaseg <git@jaseg.de> | 2021-03-25 12:15:38 +0100 |
|---|---|---|
| committer | jaseg <git@jaseg.de> | 2021-03-25 12:15:38 +0100 |
| commit | 2bb9aecfc62cb597155f50b6bf22131ab33cb301 (patch) | |
| tree | ac7d5fd93cf0f22ecf29db69e423e98fdfbe2273 /prototype/fw | |
| parent | 6fc8f236916c10811b8611f46edea4f3be2118b3 (diff) | |
| download | ihsm-2bb9aecfc62cb597155f50b6bf22131ab33cb301.tar.gz ihsm-2bb9aecfc62cb597155f50b6bf22131ab33cb301.tar.bz2 ihsm-2bb9aecfc62cb597155f50b6bf22131ab33cb301.zip | |
Update notebook, add frequency meter
Diffstat (limited to 'prototype/fw')
| -rw-r--r-- | prototype/fw/freqmeter.py | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/prototype/fw/freqmeter.py b/prototype/fw/freqmeter.py index 54c1655..430b73f 100644 --- a/prototype/fw/freqmeter.py +++ b/prototype/fw/freqmeter.py @@ -12,11 +12,11 @@ count = lambda le_iter: sum(1 for _ in le_iter) DEFAULT_SAMPLING_RATE = 1e6 # sps -def sigrok_capture(duration:'seconds'=1, sampling_rate=DEFAULT_SAMPLING_RATE, driver='dreamsourcelab-dslogic', config=None, channel=0): +def sigrok_capture(duration:'milliseconds', sampling_rate=DEFAULT_SAMPLING_RATE, driver='dreamsourcelab-dslogic', config=None, channel=0): proc = subprocess.run(['sigrok-cli', '--driver', driver, - '--time', f'{duration}s', + '--time', f'{duration}ms', '--config', (f'{config},' if config else '') + f'samplerate={int(sampling_rate/1e3)}k', '--channels', str(channel), '--output-format', 'csv'], check=True, stdout=subprocess.PIPE) @@ -54,7 +54,7 @@ def calc_frequency(intervals, sampling_rate=DEFAULT_SAMPLING_RATE): if __name__ == '__main__': while True: - capture = sigrok_capture() + capture = sigrok_capture(1500) intervals = list(debounce(capture)) intervals = intervals[2:-1] # ignore partial first and last intervals |