Add analogRead example

Author: pennam

examples/analogRead/analogRead.ino

@@ -0,0 +1,40 @@
+/*
+  Breakout Carrier - analogRead
+
+  The sketch shows how to use analog inputs of the Breakout Carrier.
+
+  The circuit:
+   - Portenta H7
+   - BreakOut Carrier
+
+  This example code is in the public domain.
+*/
+#include "PortentaBreakoutCarrier.h"
+
+const byte ANALOG_PIN_NUMBER = 8;
+const int ANALOG_RESOLUTION = 16;
+
+// The access to each analog input is made using the peripheral silk name.
+breakoutPin analogPin[] = {ANALOG_A0, ANALOG_A1, ANALOG_A2, ANALOG_A3, 
+                           ANALOG_A4, ANALOG_A5, ANALOG_A6, ANALOG_A7};
+
+void setup() {
+  Serial.begin(9600);
+  while (!Serial);
+
+  // Max analog resolution is 16bits
+  Breakout.analogReadResolution(ANALOG_RESOLUTION);
+}
+
+void loop() {
+  // Loop through all the available inputs and print input value
+  for(int i = 0; i < ANALOG_PIN_NUMBER; i++) {
+    int w = Breakout.analogRead(analogPin[i]);
+    Serial.print("A");
+    Serial.print(i);
+    Serial.print(": ");
+    Serial.println(w);
+    
+    delay(1000);
+  }
+}