added arduino, modified build

arduino/libraries/Servo/src/megaavr/ServoTimers.h

@@ -0,0 +1,52 @@
+/*
+  Copyright (c) 2018 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+/*
+ * Defines for 16 bit timers used with Servo library
+ *
+ */
+
+#ifndef __SERVO_TIMERS_H__
+#define __SERVO_TIMERS_H__
+
+#define USE_TIMERB1        // interferes with PWM on pin 3
+//#define USE_TIMERB2        // interferes with PWM on pin 11
+//#define USE_TIMERB0        // interferes with PWM on pin 6
+
+#if !defined(USE_TIMERB1) && !defined(USE_TIMERB2) && !defined(USE_TIMERB0)
+    # error "No timers allowed for Servo"
+    /* Please uncomment a timer above and rebuild */
+#endif
+
+static volatile TCB_t* _timer =
+#if defined(USE_TIMERB0)
+&TCB0;
+#endif
+#if defined(USE_TIMERB1)
+&TCB1;
+#endif
+#if defined(USE_TIMERB2)
+&TCB2;
+#endif
+
+typedef enum {
+    timer0,
+    _Nbr_16timers } timer16_Sequence_t;
+
+
+#endif  /* __SERVO_TIMERS_H__ */