Can you give more hint about how to count? I'm not really sure how to do it.
Big thanks On Wednesday, August 23, 2017 at 11:56:20 PM UTC+7, Ytai wrote: > > Sampling the frequency and integrating will give you an estimate of the > total. If it's not accurate enough, you'll need to count. > > On Aug 22, 2017 2:51 PM, "Maximillian" <[email protected] <javascript:>> > wrote: > >> Hi Ytai, >> >> This is my current code (trimmed for this post) >> >> >> int FLOW_METER_PIN = 14; >> >> volatile float pulseFreq, totalPulse; >> >> PulseInput flowMeter = ioio_.openPulseInput(FLOW_METER_PIN, >> PulseInput.PulseMode.FREQ); >> >> >> totalPulse = 0; >> >> public void loop() throws ConnectionLostException, InterruptedException >> { >> >> pulseFreq = flowMeter.getFrequencySync(); >> totalPulse += pulseFreq; >> //display totalPulse value to a textView; >> >> Thread.sleep(100); >> } >> >> >> Current behavior is already as I expected, the totalPulse textView will >> updated only when the hall sensor is spinning (flow detected) >> >> If I use the getFrequencySync() method, I think the loop is paused, >> waiting the flowMeter to receive input. >> >> If it received input, the totalPulse will increase by the amount of >> pulseFreq from getFrequencySync(). >> >> I haven't tested with real water yet (I just blow the flow sensor to make >> the hall spin for early development test) >> >> My question, is it correct to use this approach with the >> getFrequencySync() method? >> Or I still need to hack the DigitalInputImpl to count the pulses? >> >> Thanks >> >> On Wednesday, August 23, 2017 at 4:18:28 AM UTC+7, Ytai wrote: >>> >>> It is known, but there isn't currently a plan to add it. If anyone wants >>> to contribute a patch, I will happily consider adopting it. >>> >>> On Aug 13, 2017 8:21 PM, "Maximillian" <[email protected]> wrote: >>> >>>> Is this still a known missing feature? As this post is from 2013.. I >>>> need to use flow sensor as well.. >>>> >>>> On Monday, September 9, 2013 at 10:31:46 AM UTC+7, Ytai wrote: >>>>> >>>>> This is known missing feature. You can work around this by hacking >>>>> DigitalInputImpl to count the pulses: its setValue() method will get >>>>> called >>>>> on every edge. >>>>> >>>>> >>>>> On Fri, Sep 6, 2013 at 11:21 AM, jorge sb <[email protected]> wrote: >>>>> >>>>>> Hi. I want to connect a hall sensor flow meter to ioio. >>>>>> Perhaps, I could use "PulseInput" but after reading ioio-wiki, I see >>>>>> that I can't do it with it. >>>>>> Really, I need a simple pulse counter but without loosing any pulse. >>>>>> With flow meter I will like to get: >>>>>> - Total liquid flow (accumulated countered pulses) >>>>>> - Instant flow (reading difference between two counts in a measured >>>>>> time). >>>>>> >>>>>> With this sensor I could get a pulse every 50 msec or less at max >>>>>> rate. >>>>>> I think I could loose pulses doing periodic read of digital input. >>>>>> >>>>>> Some suggestion. >>>>>> Thanks. >>>>>> >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "ioio-users" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to [email protected]. >>>>>> To post to this group, send email to [email protected]. >>>>>> Visit this group at http://groups.google.com/group/ioio-users. >>>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>>> >>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ioio-users" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To post to this group, send email to [email protected]. >>>> Visit this group at https://groups.google.com/group/ioio-users. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "ioio-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/d/optout. >> > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/d/optout.
