ECCX08 monotonic counter example sketch

Author: pennam

examples/ECCX08Counter/ECCX08Counter.ino

@@ -0,0 +1,43 @@
+/*
+  ECCX08 Counter
+
+  This sketch uses the ECC508 or ECC608 to increment a monotonic 
+  counter at each startup
+
+  Circuit:
+   - Any board with ECC508 or ECC608 on board
+
+*/
+
+#include <ArduinoECCX08.h>
+
+const int keyId = 5;
+long counter = -1;
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+
+  if (!ECCX08.begin()) {
+    Serial.println("Failed to communicate with ECC508/ECC608!");
+    while (1);
+  }
+  
+  if (!ECCX08.incrementCounter(keyId, counter)) {
+    Serial.println("Failed to increment counter");
+    while (1);
+  }
+}
+
+void loop() {
+  if (!ECCX08.readCounter(keyId, counter)) {
+    Serial.println("Failed to read counter");
+    while (1);
+  }
+
+  Serial.print("Counter value = ");
+  Serial.println(counter);
+
+  delay(1000);
+}
+