update for fanspeed MAX6620

APSPU_I2C.py

@@ -27,7 +27,7 @@ EEPROM            = 0x50
 ###################################
 # FAN speed
 ###################################
-MAX6620          = 0x52
+MAX6620          = 0x29
 
 REG_GLOBAL = 0x00
 REG_TACH_1_MSP = 0x10

I2C_serial_pi.py

@@ -97,6 +97,21 @@ class I2C:
                 print("Write error")
         return ret_ack
 
+    def ack_check(self):
+        bus = smbus.SMBus(self.bus_nr)
+        try:
+            print("check ACK")
+            ret_value = bus.write_quick(self.I2C_Address)
+            ret_ack = 1
+            if SLOW:
+                sleep(0.3)
+        except IOError, err:
+            ret_ack = 0
+            ret_value = 0
+            if DEBUG:
+                print("No ACK")
+        return ret_ack
+
 if __name__ == "__main__":
     I2C_Device = I2C(0x40)
     I2C_Device.write_bytes(0x00, 0x00)

rd_apspu.py

@@ -50,7 +50,7 @@ class ApspuClass:
         #
         ret_ack, ret_value = self.dev_i2c_eeprom.read_bytes(0)
         if ret_ack < 1:
-            print("no device found during write")
+            print("EEPROM not found during write")
             return False
         else:
             self.dev_i2c_eeprom.write_bytes(0x00, data)