added updated tinypinchange and associated libraries to support PRO

hardware/digistump/avr/libraries/DigisparkSoftRcPulseOut/examples/SerialServo/SerialServo.ino

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+// This SoftwareServo library example sketch was initially delivered without any comments.
+// Below my own comments for SoftRcPulseOut library: by RC Navy (http://p.loussouarn.free.fr)
+// Controlling the position of 2 servos using the Arduino built-in hardware UART (Arduino Serial object).
+// This sketch do NOT work with an ATtinyX4 and ATtinyX5 since they do not have a built-in harware UART (no Arduino Serial object).
+
+// The command (issued in the Arduino Serial Console or in a Terminal) is:
+// S=P with:
+// S=A for Servo1 and S=B for Servo2
+// P=Position number x 20° (Possible positions are from 0 to 9 which correspond to from 0° to 180°)
+// Ex:
+// A=7 sets Servo1 at 7 x 20 =140°
+// B=3 sets Servo2 at 3 x 20 =60°
+
+#include <SoftRcPulseOut.h>
+
+SoftRcPulseOut servo1;
+SoftRcPulseOut servo2;
+
+void setup()
+{
+  pinMode(13,OUTPUT);
+  servo1.attach(2);
+  servo1.setMaximumPulse(2200);
+  servo2.attach(4);
+  servo2.setMaximumPulse(2200);
+  Serial.begin(9600);
+  Serial.print("Ready");
+}
+
+void loop()
+{
+  static int value = 0;
+  static char CurrentServo = 0;
+
+  if ( Serial.available()) {
+    char ch = Serial.read();
+    switch(ch) {
+      case 'A':
+        CurrentServo='A';
+        digitalWrite(13,LOW);
+        break;
+      case 'B':
+        CurrentServo='B';
+        digitalWrite(13,HIGH);
+        break;
+      case '0' ... '9':
+        value=(ch-'0')*20;
+        if (CurrentServo=='A')
+        {
+          servo1.write(value);
+        }
+        else if (CurrentServo=='B')
+        {
+          servo2.write(value);
+        }
+        break;
+    }
+  }
+  SoftRcPulseOut::refresh();
+}