i can see, that the value or raw input from the thermistor is going into conv-float-s32.1.in but conv-float-s32.1.out is always zero, why is this?
Am Mittwoch, 28. Juni 2017 17:28:44 UTC+2 schrieb Sag ich Dir nich: > > hello, i tried feeding the thermistor value to > halui.spindle-override.counts but i got an error "can not add float to s32" > so i added a rt component called conv_float_s32 and technically it worked > and started without error. I can see changes (very non-linear!) in adc > value therm.ch04.raw from 1 to 4010 when i turn the pot but not on > halui.spindle-override.counts(also no change in spindle speed when i turn > the pot). What do i have to add to let the adc value change the counts from > halui? > > *this is my code:* > > # Python user-mode HAL module to read ADC value and generate a thermostat > output for PWM > # c = analog input channel and thermistor table > loadusr -Wn Therm hal_temp_bbb -n Therm -c > 04:epcos_B57560G1104,05:epcos_B57560G1104 -b CRAMPS > > ########################### > #Spindle and Feed Override# > ########################### > > loadrt conv_float_s32 count=2 > > #newsig bed.temp.meas float > #newsig Feed.override float > > net conv-float-s32.1.in <= Therm.ch-04.value > net conv-float-s32.1.out => halui.spindle-override.counts > > setp halui.spindle-override.scale 0.1 > #net bed.temp.meas <= Therm.ch-04.value > #net bed.temp.meas => halui.spindle-override.counts# <= Therm.ch-04.value > > #setp halui.feed-override.scale 0.01 > #net Spindle.override <= Therm.ch-05.value > #net Feedoverride halui.feed-override.counts# <= Therm.ch-05.value > > > thanks > > Am Samstag, 15. Oktober 2016 18:12:19 UTC+2 schrieb Charles Steinkuehler: >> >> On 10/14/2016 6:11 PM, Sag ich Dir nich wrote: >> > Hi, >> > >> > i have some questions about the file >> > >> > from the "readtemp.py" file: >> > # The BeBoPr board thermistor input has one side grounded and the other >> side >> >> The BeBoPr is probably the most complex example to use as a reference, >> since it has a more complicated input circuit than any of the other >> boards. >> >> Basically, you need to create a routine that converts a raw ADC value >> into the resistance of your variable resistor. How to do this depends >> on how you have the resistor connected and the input circuitry (if >> any) between the ADC and your variable resistor. >> >> If you are using a standard board (BeBoPr or CRAMPS or whatever) you >> can use the routine for that board to get a resistance value as long >> as you haven't changed any of the input circuitry. >> >> What you do with the resistance value from there on is up to you, you >> can feed it directly into HAL as a value, convert it to a percentage, >> apply a linear or log scale to the value (which might be needed to get >> the response curve you want from various dial positions which again >> will depend on the type of potentiometer you are using and the input >> circuitry). >> >> -- >> Charles Steinkuehler >> cha...@steinkuehler.net >> > -- website: http://www.machinekit.io blog: http://blog.machinekit.io github: https://github.com/machinekit --- You received this message because you are subscribed to the Google Groups "Machinekit" group. To unsubscribe from this group and stop receiving emails from it, send an email to machinekit+unsubscr...@googlegroups.com. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
