iono pi max demo (drums)

+ fix spacing in ionopimax.py

frappy_psi/ionopimax.py

@@ -25,6 +25,7 @@ from math import log
 
 class Base:
     addr = Property('address', StringType())
+
     def read(self, addr, scale=None):
         with open(f'/sys/class/ionopimax/{self.devclass}/{addr}') as f:
             result = f.read()
@@ -52,47 +53,47 @@ class DigitalOutput(DigitalInput, Writable):
 
     def write_target(self, value):
         self.write(self.addr, value, 1)
-        
+
 
 class AnalogInput(Base, Readable):
     value = Parameter('analog value', FloatRange())
     rawrange = Property('raw range(electronic)', TupleOf(FloatRange(),FloatRange()))
     valuerange = Property('value range(physical)', TupleOf(FloatRange(),FloatRange()))
     devclass = 'analog_in'
-    
+
     def read_value(self):
         x0, x1 = self.rawrange
         y0, y1 = self.valuerange
         self.x = self.read(self.addr, self.scale)
         return y0 + (y1 - y0) * (self.x - x0) / (x1 - x0)
-    
-    
+
 
 class VoltageInput(AnalogInput):
     scale = 1e5
-    
+
     def initModule(self):
         super().initModule()
         self.write(f'{self.addr}_mode','U')
 
+
 class LogVoltageInput(VoltageInput):
-    
+
     def read_value(self):
         x0, x1 = self.rawrange
         y0, y1 = self.valuerange
         self.x = self.read(self.addr, self.scale)
         a = (x1-x0)/log(y1/y0,10)
         return 10**((self.x-x1)/a)*y1
-    
-    
+
+
 class CurrentInput(AnalogInput):
     scale = 1e6
     rawrange = (0.004,0.02)
-    
+
     def initModule(self):
         super().initModule()
         self.write(f'{self.addr}_mode','U')
-        
+
     def read_value(self):
         result = super().read_value()
         if self.x > 0.021:
@@ -100,27 +101,25 @@ class CurrentInput(AnalogInput):
         else:
             self.status = IDLE, ''
         return result
-        
-        
+
+
 class AnalogOutput(AnalogInput, Writable):
     target = Parameter('outputvalue', FloatRange())
     devclass = 'analog_out'
-    
+
     def write_target(self, value):
         x0, x1 = self.rawrange
         y0, y1 = self.valuerange
         self.write(self.addr, x0 + (x1 - x0) * (value - y0) / (y1 - y0),self.scale)
-     
-                   
+
+
 class VoltageOutput(AnalogOutput):
     rawrange = (0,10)
     scale = 1e3
-                   
+
     def initModule(self):
         super().initModule()
         self.write(f'{self.addr}_enabled', '0')
         self.write(f'{self.addr}_mode', 'V')
         self.write(f'{self.addr}', '0')
         self.write(f'{self.addr}_enabled', '1')
-
-