message: allow bottom motor thermistor
diff: @@ -33,7 +33,7 @@ _VT100Colors = {
  'default': '\x1b[0m'
  }
  -def calculate_thermistor_coeffs(degree, Rload, R_25, Beta, Tmin, Tmax, plot = False):
  +def calculate_thermistor_coeffs(degree, Rload, R_25, Beta, Tmin, Tmax, thermistor_bottom = False, plot = False):
  T_25 = 25 + 273.15 #Kelvin
  temps = np.linspace(Tmin, Tmax, 1000)
  tempsK = temps + 273.15
  @@ -41,6 +41,9 @@ def calculate_thermistor_coeffs(degree, Rload, R_25, Beta, Tmin, Tmax, plot = Fa
  # https://en.wikipedia.org/wiki/Thermistor#B_or_%CE%B2_parameter_equation
  r_inf = R_25 * np.exp(-Beta/T_25)
  R_temps = r_inf * np.exp(Beta/tempsK)
  + if thermistor_bottom:
  + V = R_temps / (Rload + R_temps)
  + else:
  V = Rload / (Rload + R_temps)
  fit = np.polyfit(V, temps, degree)
  @@ -62,8 +65,8 @@ def calculate_thermistor_coeffs(degree, Rload, R_25, Beta, Tmin, Tmax, plot = Fa
  class OperationAbortedException(Exception):
  pass
  -def set_motor_thermistor_coeffs(axis, Rload, R_25, Beta, Tmin, TMax):
  - coeffs = calculate_thermistor_coeffs(3, Rload, R_25, Beta, Tmin, TMax)
  +def set_motor_thermistor_coeffs(axis, Rload, R_25, Beta, Tmin, TMax, thermistor_bottom = False):
  + coeffs = calculate_thermistor_coeffs(3, Rload, R_25, Beta, Tmin, TMax, thermistor_bottom)
  axis.motor.motor_thermistor.config.poly_coefficient_0 = float(coeffs[3])
  axis.motor.motor_thermistor.config.poly_coefficient_1 = float(coeffs[2])
  axis.motor.motor_thermistor.config.poly_coefficient_2 = float(coeffs[1])
  