implement verifyBlock (#67)

- Fix #64, compiler warning.
- add **verifyBlock(memoryAddress, buffer, length)**
- add example **I2C_eeprom_verifyBlock.ino**
- update GitHub actions
- update keywords.txt
- update examples
- update readme.md

examples/I2C_eeprom_test/I2C_eeprom_test.ino

@@ -39,11 +39,6 @@ void setup()
     SERIAL_OUT.println("ERROR: Can't find eeprom\nstopped...");
     while (1);
   }
-
-  SERIAL_OUT.print("I2C eeprom library: ");
-  SERIAL_OUT.print(I2C_EEPROM_VERSION);
-  SERIAL_OUT.println("\n");
-
   SERIAL_OUT.print("isConnected:\t");
   SERIAL_OUT.println(ee.isConnected());
 

examples/I2C_eeprom_verify/performance_1.8.2.txt

@@ -0,0 +1,44 @@
+I2C_EEPROM_VERSION: 1.8.2
+
+Testruns NN: 100
+
+
+TEST: NN x writeByte()
+DUR1: 466516
+
+TEST: NN x writeByteVerify()
+DUR1: 542336
+
+TEST: NN x updateByte() same data
+DUR2: 58616
+
+TEST: NN x updateByteVerify() same data
+DUR2: 116896
+
+TEST: NN x updateByteVerify() not same data
+DUR2: 596672
+
+TEST: NN x writeBlock()
+DUR1: 1414432
+
+TEST: NN x writeBlockVerify()
+DUR1: 2010844
+
+TEST: NN x updateBlock() same data
+DUR2: 594796
+
+TEST: NN x updateBlockVerify() same data
+DUR2: 1186644
+
+TEST: NN x updateBlockVerify() not same data
+DUR2: 1204960
+
+TEST: NN x setBlock() same data
+DUR2: 1415932
+
+TEST: NN x setBlockVerify() same data
+DUR2: 2014048
+
+TEST: NN x setBlockVerify() not same data
+DUR2: 2009780
+done...

examples/I2C_eeprom_verifyBlock/I2C_eeprom_verifyBlock.ino

@@ -0,0 +1,99 @@
+//
+//    FILE: I2C_eeprom_verifyBlock.ino
+//  AUTHOR: Rob Tillaart
+// PURPOSE: demo I2C_EEPROM library
+//
+// uses a 24LC256 (32KB) EEPROM
+
+
+#include "Wire.h"
+#include "I2C_eeprom.h"
+
+I2C_eeprom ee(0x50, I2C_DEVICESIZE_24LC256);
+
+uint32_t start, dur1;
+
+char buffer[] = "12345678901234567890123456789012345678901234567890";  //  50 bytes
+
+void setup()
+{
+  Serial.begin(115200);
+  while (!Serial);  //  wait for Serial port to connect. Needed for Leonardo only
+  Serial.println(__FILE__);
+  Serial.print("I2C_EEPROM_VERSION: ");
+  Serial.println(I2C_EEPROM_VERSION);
+
+  Wire.begin();
+
+  ee.begin();
+  if (! ee.isConnected())
+  {
+    Serial.println("ERROR: Can't find eeprom\nstopped...");
+    while (1);
+  }
+
+  delay(10);
+
+  //////////////////////////////////////////////////////////////////////
+
+  Serial.println("\nTEST: writeBlock()");
+  delay(10);
+  start = micros();
+  ee.writeBlock(0, (uint8_t *) buffer, 50);
+  dur1 = micros() - start;
+  Serial.print("DUR1: ");
+  Serial.println(dur1);
+  delay(10);
+
+  Serial.println("\nTEST: verifyBlock() no change");
+  delay(10);
+  start = micros();
+  if (ee.verifyBlock(0, (uint8_t *) buffer, 50) == false)
+  {
+    Serial.print("X");
+  }
+  dur1 = micros() - start;
+  Serial.print("DUR1: ");
+  Serial.println(dur1);
+  delay(10);
+
+
+  for (uint8_t loc = 0; loc < 50; loc += 5)
+  {
+    disrupt(loc);
+  }
+
+  Serial.println("done...");
+}
+
+
+void loop()
+{
+}
+
+
+void disrupt(uint8_t location)
+{
+  bool flag = true;
+  //  disrupt memory
+  Serial.print("\nTEST: verifyBlock() after change @ ");
+  Serial.println(location);
+  delay(10);
+  ee.writeBlock(0, (uint8_t *) buffer, 50);
+  ee.writeByte(location, 255);
+
+  start = micros();
+  if (ee.verifyBlock(0, (uint8_t *) buffer, 50) == false)
+  {
+    flag = false;
+  }
+  dur1 = micros() - start;
+  Serial.print("DUR1: ");
+  Serial.println(dur1);
+  Serial.println(flag);
+  delay(10);
+}
+
+
+
+//  -- END OF FILE --