Updated the script so they can be tested on the HW. (read multiple bytes are...

Updated the script so they can be tested on the HW. (read multiple bytes are now returned in one string so it is more in line with the other I2C interface.

I2C_serial_pi.py

@@ -35,9 +35,9 @@ class I2C:
         bus = smbus.SMBus(self.bus_nr)
         try:
             rd_value = bus.read_i2c_block_data(self.I2C_Address, register, bytes_to_read)
-            ret_value = []
+            ret_value = ''
             for cnt in range(bytes_to_read):
-                ret_value.append(hex(rd_value[cnt])[2:]) 
+                ret_value += (hex(rd_value[cnt])[2:])
             ret_ack = 1
         except IOError, err:
             ret_ack = 0

rd_unb2c.py

@@ -32,8 +32,7 @@ def rw_eeprom(value=0xAB):
     else:
         pr_stri = "Found device at address 0x{:02x}".format(I2C_eeprom.I2C_Address)
         print(pr_stri)
-        ret_ack = I2C_eeprom.write_bytes(0x00, value)
-#        sleep(0.25)
+        I2C_eeprom.write_bytes(0x00, value)
         ret_ack, ret_value = I2C_eeprom.read_bytes(0x00, 1)
         stri = "Wrote to EEPROM: {0}, Read from EEPROM: {1} ".format(value, ret_value)
         print(stri)
@@ -102,8 +101,8 @@ def read_ddr(node_nr = 0, module=0):
                 stri = "No DDR moduel in slot {0} node  {1}".format(module, node_nr)
             else:
                 ret_value=[]
-                ret_value.append(int(raw_ret[0],16))
-                ret_value.append(int(raw_ret[1],16))
+                ret_value.append(int(raw_ret[:2],16))
+                ret_value.append(int(raw_ret[2:],16))
                 temp = (((ret_value[0] & 0x1F) * 0x100) + (ret_value[1] & 0xFC)) * 0.0625
                 stri = "Temperature DDR4 in slot {0} node  {1} is {2:3.2f} C".format(module, node_nr, temp)
             print(stri)
@@ -124,19 +123,19 @@ def read_qsfp(node_nr = 0, module=0):
             QSFP_cage = I2C(QSFP_I2C_ADDR)
             QSFP_cage.bus = I2CBUSNR
             ret_ack, raw_ret = QSFP_cage.read_bytes(QSFP_TEMP, 2)
-            if (ret_ack < 1) | (raw_ret[0]=='ff'):
+            if (ret_ack < 1) | (raw_ret[:2]=='ff'):
                 stri = "No QSFP module in slot {0} node  {1}".format(module, node_nr)
                 print(stri)
             else:
                 ret_value=[]
-                ret_value.append(int(raw_ret[0],16))
-                ret_value.append(int(raw_ret[1],16))
+                ret_value.append(int(raw_ret[:2],16))
+                ret_value.append(int(raw_ret[2:],16))
                 temp_in_mod = (ret_value[0] * 256 + ret_value[1]) / 256
                 stri =  "Temperature QSFP in slot {0} node  {1} is {2:3.2f} gr. C".format(module, node_nr, temp_in_mod)
                 print(stri)
                 ret_ack, raw_ret = QSFP_cage.read_bytes(QSFP_VOLT, 2)
-                ret_value.append(int(raw_ret[0],16))
-                ret_value.append(int(raw_ret[1],16))
+                ret_value.append(int(raw_ret[:2],16))
+                ret_value.append(int(raw_ret[2:],16))
                 Power_in_mod = (ret_value[0] * 256 + ret_value[1]) * 0.0001
                 stri =  "Voltage QSFP in slot {0} node  {1} is {2:3.2f} V".format(module, node_nr, Power_in_mod)
                 print(stri)
@@ -148,6 +147,8 @@ else:
     for node_cnt in range(4):
         for module_cnt in range(2):
             read_ddr(node_nr=node_cnt,module=module_cnt)
+    for node_cnt in range(4):
         for qsfp_cnt in range(6):
             read_qsfp(node_nr = node_cnt, module=qsfp_cnt)
-
+    for node_cnt in range(4):
+        read_pol(LOC_POWER_CORE)