readi2c: modify examples to use I2CSlave api

examples/python/readi2c.py

@@ -2,8 +2,9 @@
 
 import pymaa
 
-x = pymaa.I2C(27,28)
+x = pymaa.I2CSlave(27,28)
+x.address(0x62)
 y= "   "
-ret = x.read(0x62, y, 2)
+ret = x.read(y, 2)
 
 print(y)

examples/readi2c.cpp

@@ -3,9 +3,12 @@
 int
 main ()
 {
-  maa::I2C i2c(28, 27);
+  maa::I2CSlave i2c(26, 27);
+
   int addr = 0x62;
+  i2c.address(addr);
+
   char data[2];
-  int ret = i2c.read(addr, data, 2);
+  int ret = i2c.read(data, 2);
   return ret;
 }