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 > [email protected] <javascript:> > -- 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 [email protected]. Visit this group at https://groups.google.com/group/machinekit. For more options, visit https://groups.google.com/d/optout.
