+ added example, test /show working

libraries/I2C_EEPROM/examples/I2C_eeprom_test/I2C_eeprom_test.ino

@@ -0,0 +1,86 @@
+//
+//    FILE: I2C_eeprom_test.ino
+//  AUTHOR: Rob Tillaart
+// VERSION: 0.1.00
+// PURPOSE: show/test I2C_EEPROM library
+//
+
+#include <Wire.h> //I2C library
+#include <I2C_eeprom.h>
+
+I2C_eeprom ee(0x50);
+
+void setup() 
+{
+  Serial.begin(115200);
+  Serial.print("Demo I2C eeprom library ");
+  Serial.print(I2C_EEPROM_VERSION);
+  Serial.println("\n");
+  
+  
+  Serial.println("\nTEST: 64 byte page boundary writeBlock");
+  ee.setBlock(0,'0',100);
+  dumpEEPROM(0, 80);
+  char data[] = "11111111111111111111";
+  ee.writeBlock(61, (uint8_t*) data, 10);
+  dumpEEPROM(0, 80);
+
+
+  Serial.println("\nTEST: 64 byte page boundary setBlock");
+  ee.setBlock(0,'0',100);
+  dumpEEPROM(0, 80);
+  ee.setBlock(61, '1', 10);
+  dumpEEPROM(0, 80);
+
+
+  Serial.println("\nTEST: 64 byte page boundary readBlock");
+  ee.setBlock(0,'0',64);
+  ee.setBlock(64, '1', 64);
+  dumpEEPROM(0, 128);
+  char ar[100];
+  memset(ar,0,100);
+  ee.readBlock(60, (uint8_t*)ar, 10);
+  Serial.println(ar);
+
+
+  Serial.println("\nTEST: write large string readback in small steps");
+  ee.setBlock(0,'X',128);
+  char data2[] = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999A"; 
+  ee.writeBlock(10, (uint8_t *) &data2, 100);
+  dumpEEPROM(0, 256);
+  for (int i = 0; i<100; i++)
+  {
+    if (i%10 == 0 ) Serial.println();
+    Serial.print(ee.readByte(10+i));
+  }
+  Serial.println();
+}
+
+
+void loop() 
+{
+}
+
+
+void dumpEEPROM(unsigned int addr, unsigned int length)
+{
+  // block to 10
+  addr = addr / 10 * 10;
+  length = (length + 9)/10 * 10;
+
+  byte b = ee.readByte(addr); 
+  for (int i = 0; i < length; i++) 
+  {
+    if (addr % 10 == 0)
+    {
+      Serial.println();
+      Serial.print(addr);
+      Serial.print(":\t");
+    }
+    Serial.print(b);
+    b = ee.readByte(++addr); 
+    Serial.print("  ");
+  }
+  Serial.println();
+}
+// END OF FILE