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script createTemperatureLookupMarlin.py #25455

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merged 2 commits into from
Mar 3, 2023
Merged

script createTemperatureLookupMarlin.py #25455

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351bb0f
step needs to be a integer
ellensp Mar 3, 2023
e45463a
clean up
thinkyhead Mar 3, 2023
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16 changes: 8 additions & 8 deletions buildroot/share/scripts/createTemperatureLookupMarlin.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ def __init__(self, rp, t1, r1, t2, r2, t3, r3):

if c < 0:
print("//////////////////////////////////////////////////////////////////////////////////////")
print("// WARNING: negative coefficient 'c'! Something may be wrong with the measurements! //")
print("// WARNING: Negative coefficient 'c'! Something may be wrong with the measurements! //")
print("//////////////////////////////////////////////////////////////////////////////////////")
c = -c
self.c1 = a # Steinhart-Hart coefficients
Expand Down Expand Up @@ -93,8 +93,8 @@ def main(argv):
r2 = 1641.9 # resistance at middle temperature (1.6 KOhm)
t3 = 250 # high temperature in Kelvin (250 degC)
r3 = 226.15 # resistance at high temperature (226.15 Ohm)
rp = 4700; # pull-up resistor (4.7 kOhm)
num_temps = 36; # number of entries for look-up table
rp = 4700 # pull-up resistor (4.7 kOhm)
num_temps = 36 # number of entries for look-up table

try:
opts, args = getopt.getopt(argv, "h", ["help", "rp=", "t1=", "t2=", "t3=", "num-temps="])
Expand Down Expand Up @@ -125,13 +125,13 @@ def main(argv):
num_temps = int(arg)

t = Thermistor(rp, t1, r1, t2, r2, t3, r3)
increment = int((ARES-1)/(num_temps-1));
step = (TMIN-TMAX) / (num_temps-1)
low_bound = t.temp(ARES-1);
up_bound = t.temp(1);
increment = int((ARES - 1) / (num_temps - 1))
step = int((TMIN - TMAX) / (num_temps - 1))
low_bound = t.temp(ARES - 1)
up_bound = t.temp(1)
min_temp = int(TMIN if TMIN > low_bound else low_bound)
max_temp = int(TMAX if TMAX < up_bound else up_bound)
temps = list(range(max_temp, TMIN+step, step));
temps = list(range(max_temp, TMIN + step, step))

print("// Thermistor lookup table for Marlin")
print("// ./createTemperatureLookupMarlin.py --rp=%s --t1=%s:%s --t2=%s:%s --t3=%s:%s --num-temps=%s" % (rp, t1, r1, t2, r2, t3, r3, num_temps))
Expand Down