primer commit probando arduino, va el .ino de sensor de temperatura y humedad

libraries/Firmata/examples/AnalogFirmata/AnalogFirmata.ino

@@ -0,0 +1,94 @@
+/*
+ * Firmata is a generic protocol for communicating with microcontrollers
+ * from software on a host computer. It is intended to work with
+ * any host computer software package.
+ *
+ * To download a host software package, please clink on the following link
+ * to open the download page in your default browser.
+ *
+ * http://firmata.org/wiki/Download
+ */
+
+/* This firmware supports as many analog ports as possible, all analog inputs,
+ * four PWM outputs, and two with servo support.
+ *
+ * This example code is in the public domain.
+ */
+#include <Servo.h>
+#include <Firmata.h>
+
+/*==============================================================================
+ * GLOBAL VARIABLES
+ *============================================================================*/
+
+/* servos */
+Servo servo9, servo10; // one instance per pin
+/* analog inputs */
+int analogInputsToReport = 0; // bitwise array to store pin reporting
+int analogPin = 0; // counter for reading analog pins
+/* timer variables */
+unsigned long currentMillis;     // store the current value from millis()
+unsigned long previousMillis;    // for comparison with currentMillis
+
+
+/*==============================================================================
+ * FUNCTIONS
+ *============================================================================*/
+
+void analogWriteCallback(byte pin, int value)
+{
+  switch (pin) {
+    case 9: servo9.write(value); break;
+    case 10: servo10.write(value); break;
+    case 3:
+    case 5:
+    case 6:
+    case 11: // PWM pins
+      analogWrite(pin, value);
+      break;
+  }
+}
+// -----------------------------------------------------------------------------
+// sets bits in a bit array (int) to toggle the reporting of the analogIns
+void reportAnalogCallback(byte pin, int value)
+{
+  if (value == 0) {
+    analogInputsToReport = analogInputsToReport & ~ (1 << pin);
+  }
+  else { // everything but 0 enables reporting of that pin
+    analogInputsToReport = analogInputsToReport | (1 << pin);
+  }
+  // TODO: save status to EEPROM here, if changed
+}
+
+/*==============================================================================
+ * SETUP()
+ *============================================================================*/
+void setup()
+{
+  Firmata.setFirmwareVersion(FIRMATA_FIRMWARE_MAJOR_VERSION, FIRMATA_FIRMWARE_MINOR_VERSION);
+  Firmata.attach(ANALOG_MESSAGE, analogWriteCallback);
+  Firmata.attach(REPORT_ANALOG, reportAnalogCallback);
+
+  servo9.attach(9);
+  servo10.attach(10);
+  Firmata.begin(57600);
+}
+
+/*==============================================================================
+ * LOOP()
+ *============================================================================*/
+void loop()
+{
+  while (Firmata.available())
+    Firmata.processInput();
+  currentMillis = millis();
+  if (currentMillis - previousMillis > 20) {
+    previousMillis += 20;                   // run this every 20ms
+    for (analogPin = 0; analogPin < TOTAL_ANALOG_PINS; analogPin++) {
+      if ( analogInputsToReport & (1 << analogPin) )
+        Firmata.sendAnalog(analogPin, analogRead(analogPin));
+    }
+  }
+}
+