Modified the scripts to run on Raspberry Pi.

Script will check if it is run on a PI, in that case a different I2C serial library is used.

select_adc_on_PCC.py

+
+'''
+Copyright 2021 Stichting Nederlandse Wetenschappelijk Onderzoek Instituten,
+ASTRON Netherlands Institute for Radio Astronomy
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+Set ADC
+
+'''
+import sys
+import time
+sys.path.insert(0,'.')
+import os
+
+if os.name =="posix":
+    from I2C_serial_pi import *
+else:
+    from I2C_serial import *
+    print("run on windows")
+
+
+if (len(sys.argv) < 2) :
+    print("\nUse: \npython select_adc_on_PCC.py <RCU_NR> \n")
+else :
+    RCU_nr = sys.argv[1]
+    if RCU_Nr < 3:
+        pr_stri = "Set RCU nr {}".format(RCU_nr)
+        print(pr_stri)
+        addr_switch = 0x70
+        I2C_device = I2C(addr_switch)
+        I2C_device.write_pointer(1 << RCU_nr)
+    elif RCU_Nr == 99:
+        pr_stri = "Set All RCU in parallel "
+        print(pr_stri)
+        addr_switch = 0x70
+        I2C_device = I2C(addr_switch)
+        I2C_device.write_pointer(0x0F)
+    else:
+        print("\nUse: \npython select_adc_on_PCC.py <RCU_NR 0..3 > \n")