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.

check_clk_status.py

@@ -23,7 +23,7 @@ if os.name =="posix":
 else:
     from I2C_serial import *
 
-I2CBUSNR=1
+I2CBUSNR=3
 sleep_time=0.05
 READ_LOCK = True
 
@@ -37,8 +37,7 @@ def Read_byte_PLL(reg_address, nof_bytes=1, ADDRESS=0x20 ):
     #
     # Read Byte from the ADC
     #
-    I2C_device = I2C(ADDRESS)
-    I2C_device.bus = I2CBUSNR
+    I2C_device = I2C(ADDRESS, BUSNR=I2CBUSNR)
     PLL_rw    = 0x01 # 0 for write, 1 for read
 
     I2C_device.write_bytes(0x06, 0x2C)