[analog] added analogread example

Chapter03-Analog/01-rtos-analog-read/01-rtos-analog-read.ino

@@ -0,0 +1,60 @@
+// ====================================================
+// ArduRTOS Copyright(C) 2018 Furkan Türkal
+// This program comes with ABSOLUTELY NO WARRANTY; This is free software,
+// and you are welcome to redistribute it under certain conditions; See
+// file LICENSE, which is part of this source code package, for details.
+// ====================================================
+
+#include <Arduino_FreeRTOS.h>
+
+#define PIN_SENSOR A0
+#define PIN_BUTTON 2
+
+void vTask(void *pvParamethers);
+
+void setup() {
+  pinMode(PIN_SENSOR, INPUT);
+  pinMode(PIN_BUTTON, INPUT);
+
+  xTaskCreate(
+       vTask,
+       (const portCHAR *) "Task",
+       100,
+       NULL,
+       1,
+       NULL
+     );
+
+   vTaskStartScheduler();
+}
+
+void loop() {
+  // Must be empty to run Tasks correctly
+}
+
+void vTask(void *pvParameters){
+  (void) pvParameters;
+  const char *pcTaskName = "Task: ";
+
+  Serial.begin(9600);
+  Serial.println("Task[vTask]::Initialized!");
+
+  int16_t sStateButton = LOW;
+  int16_t sValueSensor = 0;
+
+  for(;;){
+      Serial.println(pcTaskName);
+
+      sStateButton = digitalRead(PIN_BUTTON);
+      sValueSensor = analogRead(PIN_SENSOR);
+
+      if (sStateButton == HIGH) {
+        Serial.print("Analog Read:");
+        Serial.println(sValueSensor);
+      }
+
+      vTaskDelay(10 / portTICK_PERIOD_MS);
+    }
+  vTaskDelete(NULL);
+  //Delete task if for-loop breaked
+}