add blank pins_arduino.h

Author: oclyke

cores/arduino/ard_sup/pins_arduino.h

@@ -0,0 +1,25 @@
+/*
+Copyright (c) 2019 SparkFun Electronics
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+#ifndef _PINS_ARDUINO_H_
+#define _PINS_ARDUINO_H_
+
+#endif // _PINS_ARDUINO_H_

docs/CHANGELOG.md

@@ -8,6 +8,7 @@ Each log entry will use the version number of the release that contains the chan
 1.0.12
 ===================
 - fixed redefinition of ADC symbols in redboard_artemis_nano
+- added empty pins_arduino.h for compile-compatibility iwht older libraries
 
 1.0.8
 ===================