Tested Clock setting / reading on HW

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)

set_clk.py

@@ -23,7 +23,7 @@ if os.name =="posix":
 else:
     from I2C_serial import *
 
-I2CBUSNR=1
+I2CBUSNR=3
 sleep_time=0.05
 PWR_RST = False
 SET_PLL = True
@@ -42,8 +42,7 @@ def Write_byte_PLL(reg_address, wr_data, ADDRESS=0x20):
     #
     # Write Byte to the ADC
     #
-    I2C_device = I2C(ADDRESS)
-    I2C_device.bus = I2CBUSNR
+    I2C_device = I2C(ADDRESS, BUSNR=I2CBUSNR)
     PLL_rw    = 0x00 # 0 for write, 1 for read
     stri = "Write : 0x{0:{fill}2x} to Address : 0x{1:{fill}2x}".format(wr_data, reg_address, fill='0')
     print(stri)
@@ -70,8 +69,7 @@ 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)
@@ -107,8 +105,7 @@ def Read_byte_PLL(reg_address, nof_bytes=1, ADDRESS=0x20 ):
 
 def power(state):
     ADDRESS_IO = 0x20
-    I2C_IO_device = I2C(ADDRESS_IO)
-    I2C_device.bus = I2CBUSNR
+    I2C_IO_device = I2C(ADDRESS_IO, BUSNR=I2CBUSNR)
     I2C_IO_device.write_bytes(0x06, 0x2C)
     I2C_IO_device.write_bytes(0x07, 00)
     if state: