added updated tinypinchange and associated libraries to support PRO

hardware/digistump/avr/libraries/DigisparkSoftRcPulseOut/examples/Usb2Servos/Usb2Servos.ino

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+// This sketch demonstrates how to command 2 servos through the USB of the Digispark.
+// It uses:
+// - <SoftRcPulseOut> library to easily generates the RC pulses for the servos.
+// - <DigiUSB> library to communicate with the PC
+// By RC Navy (http://p.loussouarn.free.fr)
+
+// The command (issued in the DigiUSB Monitor or the digiterm) is:
+// S=P with:
+// S=A for ServoA and S=B for ServoB
+// 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°
+// Once the servo selected, just type the value between 0 and 9
+// Please, note this sketch is derived from the SerialServo example of <SoftwareServo> library.
+
+#include <DigiUSB.h>
+#include <SoftRcPulseOut.h>
+
+#define LED_PIN       1 /* Builtin Led on Rev2 ModelA Digispark */
+#define SERVO_A_PIN   2
+/* /!\ Do not use Pin 3 (used by USB) /!\ */
+/* /!\ Do not use Pin 4 (used by USB) /!\ */
+#define SERVO_B_PIN   5
+
+SoftRcPulseOut ServoA;
+SoftRcPulseOut ServoB;
+
+
+void setup()
+{
+  pinMode(LED_PIN,OUTPUT);
+  ServoA.attach(SERVO_A_PIN);
+  ServoB.attach(SERVO_B_PIN);
+  DigiUSB.begin();
+  DigiUSB.println(" Ready");
+}
+
+void loop()
+{
+  static int value = 0;
+  static char CurrentServo = 0;
+
+  if ( DigiUSB.available()) {
+    char ch = DigiUSB.read();
+    switch(ch) {
+      case 'A':
+        CurrentServo='A';
+        digitalWrite(LED_PIN,LOW);
+        break;
+      case 'B':
+        CurrentServo='B';
+        digitalWrite(LED_PIN,HIGH);
+        break;
+      case '0' ... '9':
+        value=(ch-'0')*20;
+        if (CurrentServo=='A')
+        {
+          ServoA.write(value);
+        }
+        else if (CurrentServo=='B')
+        {
+          ServoB.write(value);
+        }
+        break;
+    }
+  }
+  DigiUSB.refresh();
+  SoftRcPulseOut::refresh();
+  /*
+    Put here your non-blocking code
+  */
+}