Adoutputs file changed completely to do things cleaner. Now it is independent...

Adoutputs file changed completely to do things cleaner. Now it is independent of instacal configuration.

ADoutputs.py

 # -*- coding: utf-8 -*-
 """
-Created on Wed May 30 15:27:17 2018
+Created on Thu Oct 25 15:35:49 2018
 
-@author: martindrech
+@author: Usuario
+
+
+For now, this will work with one measruement computing daq. It is expected to be the USB-3105 and 
+the board number will be 0. 
+
+If the daq is not found, whenever trying to send signals, the command will be printed in the console. 
 """
 
-#from __future__ import absolute_import, division, print_function
-import warnings
-from messages import show_warning
 
+import warnings
 
-daqfound = True
+from mcculw import ul
+from mcculw.enums import InterfaceType, ULRange, InfoType, BoardInfo, DigitalIODirection
+from mcculw.ul import ULError
 
-try:
-    from mcculw import ul
-    from mcculw.enums import DigitalIODirection, ULRange, InterfaceType
-    from examples.props.digital import DigitalProps
-    from examples.props.ao import AnalogOutputProps
+from props.digital import DigitalProps
+from props.ao import AnalogOutputProps
 
-    from mcculw.ul import ULError
 
-    ao_range = ULRange.BIP10VOLTS
+ul.ignore_instacal() #instacal will be ignored
 
 
-except:
-    warnings.warn('There was some error with the mcculw drivers. ')
+# First of all, I check which daqs are available and print it. 
+devices = ul.get_daq_device_inventory(interface_type=InterfaceType.USB)
+device = devices[0]
+if len(devices)>0:
+    print('daq %s is connected' % device.product_name)
+else:
+    print('No daq connected')
     
+
+
+def discover_device(board_num, board_name):
+    """
+    Checks if daq is found. 
+    """
     
+    devices = ul.get_daq_device_inventory(InterfaceType.USB)  #get device inventory
+    device = next((device for device in devices   
+               if board_name in device.product_name), None)
     
-devices = ul.get_daq_device_inventory(interface_type=InterfaceType.USB)
-if len(devices)==0:
-    daqfound = False
-    warnings.warn('daq not found')
+    if device != None:                                #if it is found,
+        try:
+            ul.create_daq_device(board_num, device)  #create an instance
+        except ULError:
+            ul.release_daq_device(board_num)
+            ul.create_daq_device(board_num, device)
+            warnings.warn('The board number %i was already in use, and it was released and redefined ' % board_num);
+        finally:
+            return True
+
+    return False
+
+daqfound = discover_device(0, 'USB-3105')
+
+class daq_AO(object):
+    def __init__(self, out_num, board_num = 0, output_range = ULRange.BIP10VOLTS):
+        global daqfound
+        self.out_num = out_num
+        self.board_num = board_num
+        self.output_range = output_range
+        
+       
+        if daqfound:
+            ul.set_config(InfoType.BOARDINFO, self.board_num, self.out_num, BoardInfo.DACRANGE,  self.output_range)
+            self.ao_props = AnalogOutputProps(self.board_num)
     
-else:    
-    device = devices[0]
-    print('The daq %s was found succesfully :)' % device.product_name)
-    daqfound = True
+    #methods
+    if daqfound:  
+        def set_out(self, value):
+            try:
+                ul.v_out(self.board_num, self.out_num, self.output_range, value)
+            except ULError as e:
+                self.show_ul_error(e)
+    else:
+        def set_out(self, value):
+            print('Analog out %i set to %f' % (self.out_num, value) )
+            return value, self.out_num
     
-#%%
-        
 class daq_DO(object):
     def __init__(self, out_num):
         global daqfound
-        #ul.ignore_instacal()
+        
         self.board_num = 0
         self.out_num = out_num
         if daqfound:
@@ -62,8 +104,7 @@ class daq_DO(object):
                         self.board_num, self.port.type, DigitalIODirection.OUT)
                 except ULError as e:
                     self.show_ul_error(e)
-            print('puerto: ', self.port)
-            print(self.port.type)
+           
             
     if daqfound:
         def set_out(self, bit_value):
@@ -77,33 +118,4 @@ class daq_DO(object):
             print('Digital out %i set to %s' % (self.out_num, bit_value) )
             return bit_value, self.out_num
                        
-        
-class daq_AO(object):
-    def __init__(self, out_num):
-        global daqfound
-        
-        #ul.ignore_instacal()
-        self.board_num = 0
-        self.out_num = out_num
-        if daqfound:
-            self.ao_props = AnalogOutputProps(self.board_num)
-    if daqfound:
-        def set_out(self, value):
-            try:
-                ul.v_out(self.board_num, self.out_num, ao_range, value)
-            except ULError as e:
-                self.show_ul_error(e)
-            
-            
-        def get_analog_out(self):
-            #ao_range = self.ao_props.available_ranges[0]
-            try: 
-                state = ul.a_in(self.board_num, self.out_num, ao_range)
-                print(state)
-            except ValueError:
-                return 0
-    else:
-        def set_out(self, value):
-            print('Analog out %i set to %f' % (self.out_num, value) )
-            return value, self.out_num
-######################################################################################
+        
\ No newline at end of file